CN112705764A - Drilling reamer tool with staggered blades for hole machining of composite material - Google Patents

Drilling reamer tool with staggered blades for hole machining of composite material Download PDF

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Publication number
CN112705764A
CN112705764A CN202011536005.8A CN202011536005A CN112705764A CN 112705764 A CN112705764 A CN 112705764A CN 202011536005 A CN202011536005 A CN 202011536005A CN 112705764 A CN112705764 A CN 112705764A
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CN
China
Prior art keywords
drilling
reamer
groove
hexagonal
heat
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Granted
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CN202011536005.8A
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Chinese (zh)
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CN112705764B (en
Inventor
黄开建
李新君
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Guangdong Jinghui Precision Technology Co.,Ltd.
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Individual
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B51/00Tools for drilling machines
    • B23B51/08Drills combined with tool parts or tools for performing additional working
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B51/00Tools for drilling machines
    • B23B51/06Drills with lubricating or cooling equipment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D77/00Reaming tools
    • B23D77/006Reaming tools with means for lubricating or cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23GTHREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G5/00Thread-cutting tools; Die-heads
    • B23G5/20Thread-cutting tools; Die-heads combined with other tools, e.g. drills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q11/00Accessories 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
    • B23Q11/08Protective coverings for parts of machine tools; Splash guards
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2251/00Details of tools for drilling machines
    • B23B2251/40Flutes, i.e. chip conveying grooves
    • B23B2251/408Spiral grooves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D2277/00Reaming tools
    • B23D2277/30Chip guiding means
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse 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 Tools (AREA)

Abstract

The invention discloses a drilling and reaming cutter with staggered blades for hole machining of a composite material, and particularly relates to the technical field of composite material machining. According to the drilling reamer, the heat exhaust hole, the first heat exhaust port, the supporting block, the second heat exhaust port and the silk screen are arranged, when the drilling reamer is used, the heat exhaust hole is formed, and two ends of the heat exhaust hole are communicated with the outside through the first heat exhaust port and the second heat exhaust port, so that heat generated inside the drilling reamer in a long-time machining process can be exhausted from the first heat exhaust port and the second heat exhaust port through the heat exhaust hole respectively, the phenomenon that the drilling reamer is damaged due to high internal heat can be prevented, and the service life of the drilling reamer is greatly prolonged.

Description

Drilling reamer tool with staggered blades for hole machining of composite material
Technical Field
The invention relates to the technical field of composite material processing, in particular to a staggered-edge drilling and reaming cutter for composite material hole processing.
Background
In recent years, with the continuous development and progress of science and technology, various composite materials gradually appear in the visual field of people, due to the special performance of the composite material plates, a special cutter needs to be used for drilling and reaming in the hole machining process, and the existing composite material hole machining staggered-edge drilling reamer has many problems and defects.
In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved:
(1) the tapping knife and the drilling reamer of the traditional composite material hole processing staggered edge drilling reamer are of an integrated structure, so that the use is very inconvenient;
(2) the traditional staggered-edge drilling and reaming cutter for hole machining of composite materials is inconvenient to protect the cutter when not in use, so that the cutter is easy to damage;
(3) the traditional reamer tool for drilling holes with staggered blades made of composite materials has poor mounting and fixing stability, is easy to loosen and cannot meet the use requirement;
(4) in the long-time processing process of the traditional composite material hole processing staggered edge drilling and reaming cutter, a drilling reamer is easy to be damaged due to overhigh internal heat, and the service life of the cutter is greatly reduced;
(5) the traditional composite material hole machining staggered-blade drilling reamer has poor chip removal effect, and the hole machining efficiency is low.
Disclosure of Invention
The invention aims to provide a drilling and reaming cutter with staggered edges for hole machining of a composite material, and aims to solve the problem that the tapping cutter and the drilling and reaming cutter are of an integrated structure and are inconvenient to use in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a composite material hole machining staggered-blade drilling and reaming cutter comprises a drilling reamer and a fixing seat, wherein a first chip discharge groove and a second chip discharge groove are formed in the drilling reamer respectively, the first chip discharge grooves and the second chip discharge grooves are arranged in a spiral staggered mode, a protective structure is arranged outside the drilling reamer, the fixing seat is arranged at the top end of the drilling reamer, a mounting seat is arranged at the top end of the fixing seat, a stable dismounting structure is arranged between the mounting seat and the fixing seat, a heat discharging structure is arranged inside the drilling reamer, and a portable tapping structure is arranged between the drilling reamer and the fixing seat;
the portable tapping structure is including attacking the screw tap, attack the screw tap setting between the top of drilling the reamer and the bottom of fixing base, the inside on drilling the reamer top is provided with the second hexagonal groove, the bottom fixedly connected with second hexagonal inserted block of attacking the screw tap, the inside on attacking the screw tap top is provided with first hexagonal groove, the first hexagonal inserted block of bottom fixedly connected with of fixing base, the inside at first hexagonal groove and second hexagonal groove both ends is provided with the thread groove respectively, the inside of thread groove is provided with fixing bolt.
Preferably, the outer diameter of the first hexagonal insertion block is smaller than the inner diameter of the first hexagonal groove, and the outer diameter of the second hexagonal insertion block is smaller than the inner diameter of the second hexagonal groove.
Preferably, the first hexagonal insertion block is inserted into the first hexagonal groove, and the second hexagonal insertion block is inserted into the second hexagonal groove.
Preferably, the protection structure comprises a protection cylinder, a push handle, a first clamping block and a second clamping block, the protection cylinder is arranged outside the drilling reamer, the push handle is fixedly connected to the outside of the protection cylinder, the first clamping block is fixedly connected to the inside of the top end of the protection cylinder, and the second clamping block is fixedly connected to the position, close to the bottom end, of the outside of the mounting seat.
Preferably, the first fixture block and the second fixture block are equal in size, and the first fixture block and the second fixture block are clamped with each other.
Preferably, the stable dismounting structure comprises a clamping seat, a clamping plate, a locking plate, a limiting groove, a limiting block and a locking bolt, wherein the clamping seat is fixedly connected to the rear end of the bottom of the mounting seat, the clamping plate is arranged at the front end of the clamping seat, the locking plate is arranged on each of the two sides of the clamping seat and the clamping plate, the locking bolt penetrates through the locking plate on each of the two sides of the clamping seat and the locking plate on each of the two sides of the locking plate, the limiting block is fixedly connected to the two ends of the fixing seat respectively, and the limiting groove is arranged on the inner side wall of the clamping seat and the inner side wall of the clamping plate respectively.
Preferably, the outer diameter of the limiting block is smaller than the inner diameter of the limiting groove, and the limiting block is embedded in the limiting groove.
Preferably, the clamping seat and the clamping plate are respectively semicircular, and the limiting grooves correspond to the limiting blocks one to one.
Preferably, the heat exhausting structure comprises a heat exhausting hole, a first heat exhausting port, a supporting block, a second heat exhausting port and a wire mesh, the heat exhausting hole is arranged at the position close to the top end inside the drilling reamer, the two ends of the bottom of the heat exhausting hole are respectively provided with the first heat exhausting port, the two sides of the top of the heat exhausting hole are respectively provided with the second heat exhausting port, the inside of the first heat exhausting port and the inside of the second heat exhausting port are respectively fixedly connected with the wire mesh, and the inside of the heat exhausting hole is fixedly connected with a plurality of groups of supporting blocks.
Preferably, two ends of the first heat exhaust port and the second heat exhaust port are respectively communicated with the inside of the heat exhaust hole and the outside of the drilling reamer.
Compared with the prior art, the invention has the beneficial effects that: the staggered-blade drilling and reaming cutter for hole machining of the composite material not only realizes that the tapping cutter and the drilling and reaming cutter are of a split structure, is very convenient to use, and realizes that the cutter is convenient to protect when not used, the cutter is not easy to damage, the stability of installation and fixation is high, the loosening phenomenon is not easy to occur, the use requirement can be met, a certain heat extraction function is realized, the cutter can adapt to long-time machining, the service life of the cutter is greatly prolonged, the chip removal effect is good, and the hole machining efficiency is improved;
(1) by arranging the portable tapping structure, the portable tapping structure comprises a tapping knife, the tapping knife is arranged between the top end of the drilling reamer and the bottom end of a fixed seat, a second hexagonal groove is arranged inside the top end of the drilling reamer, a second hexagonal insert block is fixedly connected with the bottom end of the tapping knife, a first hexagonal groove is arranged inside the top end of the tapping knife, a first hexagonal insert block is fixedly connected with the bottom end of the fixed seat, thread grooves are respectively arranged inside the first hexagonal groove and the two ends of the second hexagonal groove, and fixing bolts are arranged inside the thread grooves, when in use, holes processed by the drilling reamer can be tapped through the tapping knife, the functionality of the tool is improved, meanwhile, the first hexagonal groove and the first hexagonal insert block are fixed with the second hexagonal insert block and the second hexagonal groove through the thread grooves and the fixing bolts, so that the tapping knife can be detached at any time, then the first hexagonal insert block is inserted inside the second hexagonal groove and fixed with the fixing bolts, therefore, the drilling reamer and the fixed seat can be fixed together, and a split structure is adopted, so that the use is more convenient;
(2) by arranging the protection barrel, the push handle, the first fixture block and the second fixture block, when the cutter is not used, the protection barrel is sleeved outside the drilling reamer, then the push handle is pushed upwards, and the first fixture block is clamped above the second fixture block, so that the protection barrel can be fixed outside the drilling reamer, the drilling reamer is protected, the cutter can be prevented from being collided, and potential safety hazards caused by the cutter can be avoided;
(3) by arranging the clamping seat, the clamping plate, the locking plate, the limiting groove, the limiting block and the locking bolt, when the clamping seat is used, the fixing seat is placed inside the clamping seat, the limiting block is embedded inside the limiting groove, then the clamping plate is covered, and the clamping plate is locked on the clamping seat by the locking bolt, so that the fixing seat can be stably clamped and fixed on the mounting seat under the limiting action of the limiting groove and the limiting block, the loosening phenomenon is not easy to occur in the processing process, and the use requirement can be met;
(4) by arranging the heat discharge hole, the first heat discharge port, the supporting block, the second heat discharge port and the silk screen, when the drilling reamer is used, the two ends of the heat discharge hole are communicated with the outside through the first heat discharge port and the second heat discharge port by arranging the heat discharge hole, so that heat generated inside the drilling reamer in a long-time processing process can be respectively discharged from the first heat discharge port and the second heat discharge port through the heat discharge hole, the phenomenon that the drilling reamer is damaged due to high internal heat can be prevented, and the service life of the drilling reamer is greatly prolonged;
(5) through being provided with first chip groove and second chip groove respectively on the drilling reamer, when using, the piece that drilling reamer hole processing produced can be discharged fast through first chip groove and second chip groove with the mode of spiral pay-off at the high-speed pivoted in-process of drilling reamer, can reduce the drilling reamer like this because the resistance that the piece produced in the spot facing work in-process improves the efficiency of spot facing work.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged bottom view of a partial section of the stably assembled and disassembled structure of the present invention;
FIG. 3 is an enlarged front view of a partial cross-section of the heat dissipation structure of the present invention;
FIG. 4 is an enlarged schematic top view of a first hexagonal groove of the present invention;
FIG. 5 is an enlarged partial cross-sectional view taken at A in FIG. 1 according to the present invention;
fig. 6 is a schematic bottom view of the protective cylinder of the present invention.
In the figure: 1. drilling a reamer; 2. a first chip discharge groove; 3. a second chip groove; 4. a protective structure; 401. a protective cylinder; 402. a push handle; 403. a first clamping block; 404. a second fixture block; 5. stabilizing the dismounting structure; 501. a clamping seat; 502. a clamping plate; 503. a locking plate; 504. a limiting groove; 505. a limiting block; 506. locking the bolt; 6. a mounting seat; 7. a fixed seat; 8. a first hexagonal groove; 9. tapping knife; 10. a second hexagonal insert block; 11. a second hexagonal groove; 12. a first hexagonal insert block; 13. a heat removal structure; 1301. heat removal holes; 1302. a first heat exhaust port; 1303. a support block; 1304. a second heat exhaust port; 1305. a wire mesh; 14. a thread groove; 15. and (5) fixing the bolt.
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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Example 1: referring to fig. 1-6, a composite material hole machining staggered-edge drilling and reaming tool comprises a drilling reamer 1 and a fixed seat 7, wherein a protective structure 4 is arranged outside the drilling reamer 1, the fixed seat 7 is arranged at the top end of the drilling reamer 1, an installation seat 6 is arranged at the top end of the fixed seat 7, a stable dismounting structure 5 is arranged between the installation seat 6 and the fixed seat 7, a heat extraction structure 13 is arranged inside the drilling reamer 1, and a portable tapping structure is arranged between the drilling reamer 1 and the fixed seat 7;
referring to fig. 1-6, the composite material hole machining staggered-edge drilling and reaming tool further comprises a portable tapping structure, the portable tapping structure comprises a tapping knife 9, the tapping knife 9 is arranged between the top end of the drilling reamer 1 and the bottom end of a fixing seat 7, a second hexagonal groove 11 is formed in the top end of the drilling reamer 1, a second hexagonal insert 10 is fixedly connected to the bottom end of the tapping knife 9, a first hexagonal groove 8 is formed in the top end of the tapping knife 9, a first hexagonal insert 12 is fixedly connected to the bottom end of the fixing seat 7, thread grooves 14 are respectively formed in the two ends of the first hexagonal groove 8 and the second hexagonal groove 11, and fixing bolts 15 are arranged in the thread grooves 14;
the outer diameter of the first hexagonal insertion block 12 is smaller than the inner diameter of the first hexagonal groove 8, and the outer diameter of the second hexagonal insertion block 10 is smaller than the inner diameter of the second hexagonal groove 11;
the first hexagonal insertion block 12 is inserted in the first hexagonal groove 8, and the second hexagonal insertion block 10 is inserted in the second hexagonal groove 11;
specifically, as shown in fig. 1 and 4, when the tapping reamer is used, a hole machined by the drilling reamer 1 can be tapped through the tapping knife 9, the functionality of the tapping reamer is increased, meanwhile, the first hexagonal groove 8 and the first hexagonal insert 12 and the second hexagonal groove 10 and the second hexagonal groove 11 are fixed through the thread groove 14 and the fixing bolt 15, so that the tapping knife 9 can be detached at any time, then the first hexagonal insert 12 is inserted into the second hexagonal groove 11 and fixed by the fixing bolt 15, and the drilling reamer 1 and the fixing seat 7 can be fixed together, a split structure is adopted, and the use is more convenient.
Example 2: the protection structure 4 consists of a protection cylinder 401, a push handle 402, a first fixture block 403 and a second fixture block 404, the protection cylinder 401 is arranged outside the drilling reamer 1, the push handle 402 is fixedly connected to the outside of the protection cylinder 401, the first fixture block 403 is fixedly connected to the inside of the top end of the protection cylinder 401, and the second fixture block 404 is fixedly connected to the position, close to the bottom end, of the outside of the mounting seat 6;
the first latch 403 and the second latch 404 have the same size, and the first latch 403 and the second latch 404 are clamped with each other;
specifically, as shown in fig. 1, 5 and 6, when the tool is not used, the protection cylinder 401 is sleeved outside the drill reamer 1, and then the push handle 402 is pushed upwards to clamp the first clamping block 403 above the second clamping block 404, so that the protection cylinder 401 can be fixed outside the drill reamer 1, thereby protecting the drill reamer 1, preventing the tool from being collided, and avoiding the safety hazard caused by the tool.
Example 3: the stable dismounting structure 5 is composed of a clamping seat 501, a clamping plate 502, a locking plate 503, a limiting groove 504, a limiting block 505 and a locking bolt 506, wherein the clamping seat 501 is fixedly connected to the rear end of the bottom of the mounting seat 6, the clamping plate 502 is arranged at the front end of the clamping seat 501, the locking plates 503 are respectively arranged on two sides of the clamping seat 501 and two sides of the clamping plate 502, the locking bolt 506 penetrates through the locking plates 503 on two sides of the clamping seat 501 and the locking plates 503 on two sides of the locking plate 503, the limiting block 505 is respectively and fixedly connected to two ends of the fixing seat 7, and the limiting groove 504 is respectively arranged on the inner side walls of the clamping seat 501 and the clamping plate 502;
the outer diameter of the limiting block 505 is smaller than the inner diameter of the limiting groove 504, and the limiting block 505 is embedded in the limiting groove 504;
the clamping seat 501 and the clamping plate 502 are respectively semicircular, and the limiting grooves 504 correspond to the limiting blocks 505 one by one;
specifically, as shown in fig. 1 and fig. 2, when in use, the fixing seat 7 is placed inside the clamping seat 501, the limiting block 505 is embedded inside the limiting groove 504, then the clamping plate 502 is covered, and the clamping plate 502 is locked on the clamping seat 501 by the locking bolt 506, so that the fixing seat 7 can be stably clamped and fixed on the mounting seat 6 under the limiting action of the limiting groove 504 and the limiting block 505, the loosening phenomenon is not easy to occur in the processing process, and the use requirement can be met.
Example 4: the heat extraction structure 13 is composed of a heat extraction hole 1301, a first heat extraction port 1302, a supporting block 1303, a second heat extraction port 1304 and a silk screen 1305, the heat extraction hole 1301 is arranged at a position close to the top end inside the drill reamer 1, the first heat extraction port 1302 is respectively arranged at two ends of the bottom of the heat extraction hole 1301, the second heat extraction ports 1304 are respectively arranged at two sides of the top of the heat extraction hole 1301, the silk screens 1305 are respectively and fixedly connected inside the first heat extraction port 1302 and the second heat extraction port 1304, and a plurality of groups of supporting blocks 1303 are fixedly connected inside the heat extraction hole 1301;
two ends of the first heat exhaust port 1302 and the second heat exhaust port 1304 are respectively communicated with the inside of the heat exhaust hole 1301 and the outside of the drilling reamer 1;
specifically, as shown in fig. 1 and 3, when using, through being provided with heat extraction hole 1301, the both ends of heat extraction hole 1301 communicate with the external world through first heat extraction port 1302 and second heat extraction port 1304, and the heat that drilling reamer 1 produced inside in long-time course of working just can follow first heat extraction port 1302 and the inside discharge of second heat extraction port 1304 respectively through heat extraction hole 1301 like this to can prevent drilling reamer 1 because the higher phenomenon that leads to the damage of internal heat, improved drilling reamer 1's life greatly.
Example 5: the drilling reamer 1 is respectively provided with a first chip groove 2 and a second chip groove 3, and the first chip groove 2 and the second chip groove 3 are spirally staggered;
specifically, as shown in fig. 1, when the drill reamer 1 is used, chips generated by hole machining of the drill reamer 1 can be rapidly discharged in a spiral feeding mode through the first chip discharge groove 2 and the second chip discharge groove 3 in the process of high-speed rotation of the drill reamer 1, so that resistance generated by the chips in the hole machining process of the drill reamer 1 can be reduced, and the hole machining efficiency can be improved.
The working principle is as follows: when the drilling reamer is used, firstly, holes machined by the drilling reamer 1 can be tapped through the tapping knife 9, the functionality of the cutting tool is improved, meanwhile, the first hexagonal groove 8 and the first hexagonal insert 12 and the second hexagonal insert 10 and the second hexagonal groove 11 are fixed through the thread groove 14 and the fixing bolt 15, the tapping knife 9 can be detached at any time, then the first hexagonal insert 12 is inserted into the second hexagonal groove 11 and fixed through the fixing bolt 15, and the drilling reamer 1 and the fixing seat 7 can be fixed together.
Later, when using, place fixing base 7 in the inside of pressing from both sides tight seat 501 to make stopper 505 inlay in the inside of spacing groove 504, then cover clamping plate 502, and lock clamping plate 502 on pressing from both sides tight seat 501 with locking bolt 506, just so can be with the stable clamp of fixing base 7 fixed on mount pad 6 under the limiting action of spacing groove 504 and stopper 505, be difficult to appear not hard up phenomenon in the course of processing, can satisfy the needs that use.
Secondly, when the drill reamer is used, the chips generated in the hole machining of the drill reamer 1 can be rapidly discharged in a spiral feeding mode through the first chip discharge groove 2 and the second chip discharge groove 3 in the high-speed rotating process of the drill reamer 1, so that the resistance generated by the chips in the hole machining process of the drill reamer 1 can be reduced, and the hole machining efficiency is improved.
Then, when using, through being provided with heat extraction hole 1301, the both ends of heat extraction hole 1301 are through first heat extraction mouth 1302 and second heat extraction mouth 1304 and external intercommunication, and the heat that drilling reamer 1 produced inside in long-time course of working just so can follow first heat extraction mouth 1302 and the inside discharge of second heat extraction mouth 1304 through heat extraction hole 1301 respectively to can prevent drilling reamer 1 because the higher phenomenon that leads to the damage of internal heat, improve drilling reamer 1's life greatly.
Finally, when the tool is not used, the protection cylinder 401 is sleeved outside the drilling reamer 1, then the push handle 402 is pushed upwards, the first fixture block 403 is clamped above the second fixture block 404, and the protection cylinder 401 can be fixed outside the drilling reamer 1, so that the drilling reamer 1 is protected, the tool can be prevented from being collided, and potential safety hazards caused by the tool can be avoided.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. The utility model provides a crisscross sword drilling and reaming cutter of combined material spot facing work, includes drilling reamer (1) and fixing base (7), its characterized in that: the drilling reamer is characterized in that a first chip removal groove (2) and a second chip removal groove (3) are respectively formed in the drilling reamer (1), the first chip removal groove (2) and the second chip removal groove (3) are arranged in a spiral staggered mode, a protective structure (4) is arranged outside the drilling reamer (1), a fixing seat (7) is arranged at the top end of the drilling reamer (1), a mounting seat (6) is arranged at the top end of the fixing seat (7), a stable dismounting structure (5) is arranged between the mounting seat (6) and the fixing seat (7), a heat discharging structure (13) is arranged inside the drilling reamer (1), and a portable tapping structure is arranged between the drilling reamer (1) and the fixing seat (7);
the portable tapping structure comprises a tapping knife (9), wherein the tapping knife (9) is arranged between the top end of a drilling reamer (1) and the bottom end of a fixing seat (7), a second hexagonal groove (11) is formed in the top end of the drilling reamer (1), a second hexagonal insert block (10) is fixedly connected to the bottom end of the tapping knife (9), a first hexagonal groove (8) is formed in the inside of the top end of the tapping knife (9), a first hexagonal insert block (12) is fixedly connected to the bottom end of the fixing seat (7), thread grooves (14) are formed in the insides of the two ends of the first hexagonal groove (8) and the second hexagonal groove (11) respectively, and fixing bolts (15) are arranged in the thread grooves (14).
2. The composite hole machining staggered-edge drilling and reaming tool as claimed in claim 1, wherein: the outer diameter of the first hexagonal insertion block (12) is smaller than the inner diameter of the first hexagonal groove (8), and the outer diameter of the second hexagonal insertion block (10) is smaller than the inner diameter of the second hexagonal groove (11).
3. The composite hole machining staggered-edge drilling and reaming tool as claimed in claim 1, wherein: the first hexagonal insertion block (12) is inserted in the first hexagonal groove (8), and the second hexagonal insertion block (10) is inserted in the second hexagonal groove (11).
4. The composite hole machining staggered-edge drilling and reaming tool as claimed in claim 1, wherein: the protection structure (4) comprises a protection barrel (401), a push handle (402), a first fixture block (403) and a second fixture block (404), the protection barrel (401) is arranged outside the drilling reamer (1), the outside of the protection barrel (401) is fixedly connected with the push handle (402), the inside of the top end of the protection barrel (401) is fixedly connected with the first fixture block (403), and the second fixture block (404) is fixedly connected to the position, close to the bottom end, outside the mounting seat (6).
5. The composite hole machining staggered-edge drilling and reaming tool as claimed in claim 4, wherein: the first fixture block (403) and the second fixture block (404) are equal in size, and the first fixture block (403) and the second fixture block (404) are clamped with each other.
6. The composite hole machining staggered-edge drilling and reaming tool as claimed in claim 1, wherein: stabilize dismouting structure (5) and constitute by pressing from both sides tight seat (501), clamp plate (502), locking plate (503), spacing groove (504), stopper (505) and locking bolt (506), press from both sides tight seat (501) fixed connection at the rear end of mount pad (6) bottom, the front end of pressing from both sides tight seat (501) is provided with clamp plate (502), the both sides of pressing from both sides tight seat (501) and clamp plate (502) are provided with locking plate (503) respectively, it has locking bolt (506) to run through between locking plate (503) of clamp seat (501) both sides and locking plate (503) both sides, stopper (505) fixed connection respectively are at the both ends of fixing base (7), spacing groove (504) set up respectively on the inside wall of pressing from both sides tight seat (501) and clamp plate (502).
7. The composite hole machining staggered-edge drilling and reaming tool as claimed in claim 6, wherein: the outer diameter of the limiting block (505) is smaller than the inner diameter of the limiting groove (504), and the limiting block (505) is embedded in the limiting groove (504).
8. The composite hole machining staggered-edge drilling and reaming tool as claimed in claim 6, wherein: the clamping seat (501) and the clamping plate (502) are respectively semicircular, and the limiting grooves (504) are in one-to-one correspondence with the limiting blocks (505).
9. The composite hole machining staggered-edge drilling and reaming tool as claimed in claim 1, wherein: heat radiation structure (13) comprise heat dissipation hole (1301), first heat extraction mouth (1302), supporting shoe (1303), second heat extraction mouth (1304) and silk screen (1305), heat dissipation hole (1301) set up the position department that is close to the top in drilling reamer (1) inside, the both ends of heat extraction hole (1301) bottom are provided with first heat extraction mouth (1302) respectively, the both sides at heat extraction hole (1301) top are provided with second heat extraction mouth (1304) respectively, the inside difference fixedly connected with silk screen (1305) of first heat extraction mouth (1302) and second heat extraction mouth (1304), the inside fixedly connected with multiunit supporting shoe (1303) of heat extraction hole (1301).
10. The use of a composite hole machining staggered edge reaming tool according to claim 9, wherein: firstly, when the tapping reamer is used, holes machined by the drilling reamer 1 can be tapped through the tapping knife 9, the functionality of the tapping reamer is improved, meanwhile, the first hexagonal groove 8 and the first hexagonal insert 12 and the second hexagonal insert 10 and the second hexagonal groove 11 are fixed through the thread groove 14 and the fixing bolt 15, so that the tapping knife 9 can be detached at any time, then the first hexagonal insert 12 is inserted into the second hexagonal groove 11 and fixed through the fixing bolt 15, and the drilling reamer 1 and the fixing seat 7 can be fixed together; then, when in use, the fixing seat 7 is placed inside the clamping seat 501, the limiting block 505 is embedded inside the limiting groove 504, then the clamping plate 502 is covered, and the clamping plate 502 is locked on the clamping seat 501 by the locking bolt 506, so that the fixing seat 7 can be stably clamped and fixed on the mounting seat 6 under the limiting action of the limiting groove 504 and the limiting block 505; secondly, when the drill reamer is used, scraps generated by processing the holes of the drill reamer 1 can be quickly discharged in a spiral feeding mode through the first chip discharge groove 2 and the second chip discharge groove 3 in the process of high-speed rotation of the drill reamer 1; then, when in use, the heat exhaust hole 1301 is arranged, and two ends of the heat exhaust hole 1301 are communicated with the outside through the first heat exhaust port 1302 and the second heat exhaust port 1304, so that heat generated inside the drilling reamer 1 during long-time processing can be exhausted from the first heat exhaust port 1302 and the second heat exhaust port 1304 through the heat exhaust hole 1301; finally, when the tool is not used, the protection cylinder 401 is sleeved outside the drill reamer 1, and then the push handle 402 is pushed upwards to enable the first fixture blocks 403 to be clamped above the second fixture blocks 404, so that the protection cylinder 401 can be fixed outside the drill reamer 1.
CN202011536005.8A 2020-12-23 2020-12-23 Drilling reamer tool with staggered blades for hole machining of composite material Active CN112705764B (en)

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CN210967134U (en) * 2019-09-26 2020-07-10 青岛中信达机械有限公司 Compound tool for processing through hole
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GB2067440A (en) * 1979-12-31 1981-07-30 Huang Tien Tsai Combined screw tap and drill
CN2541097Y (en) * 2002-04-30 2003-03-26 李英良 Fast threading drill bit
CN104526022A (en) * 2014-10-31 2015-04-22 常州华尔澜工具有限公司 Twist drill
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