CN109723706A - A kind of self-locking screw rod suitable for blind hole implantation - Google Patents

A kind of self-locking screw rod suitable for blind hole implantation Download PDF

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Publication number
CN109723706A
CN109723706A CN201910158742.XA CN201910158742A CN109723706A CN 109723706 A CN109723706 A CN 109723706A CN 201910158742 A CN201910158742 A CN 201910158742A CN 109723706 A CN109723706 A CN 109723706A
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CN
China
Prior art keywords
blind hole
screw rod
side locking
locking tabs
hole
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Granted
Application number
CN201910158742.XA
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Chinese (zh)
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CN109723706B (en
Inventor
李吴军
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Yunhe Chiwang Toys Co ltd
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Individual
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Priority to CN201910158742.XA priority Critical patent/CN109723706B/en
Priority to CN202011231079.0A priority patent/CN112343914A/en
Publication of CN109723706A publication Critical patent/CN109723706A/en
Application granted granted Critical
Publication of CN109723706B publication Critical patent/CN109723706B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00Locking of screws, bolts or nuts
    • F16B39/22Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B41/00Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • 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
    • 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
    • B23Q11/0042Devices for removing chips
    • 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
    • B23Q11/10Arrangements for cooling or lubricating tools or work
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/041Specially-shaped shafts

Abstract

A kind of self-locking screw rod suitable for blind hole implantation, it is related to a kind of self-locking screw rod of blind hole implantation, external screw thread (11) are equipped in one end outer rim of screw rod (12), the other end face of the screw rod to middle part is equipped with slot (16), one end of one side locking tabs (2) and another side locking tabs (8) is hingedly connected to the bottom of slot, by being stuck in the annular groove reaming (22) in blind hole (21) on the outside of a side locking tabs and another side locking tabs other end, the other end of one side locking tabs and another side locking tabs is distributed in splayed, one end of top plate (6) is between a side locking tabs and another side locking tabs other end for splayed distribution, the middle part in slot is slidably connected in the middle part of the top plate, the exposed the other end face direction in screw rod of the other end of top plate;The present invention is separated a side locking tabs, another side locking tabs using top plate at annular groove reaming, and screw rod is obtained under the fixation of metal adhesive liquid and stablizes implantation in blind hole.

Description

A kind of self-locking screw rod suitable for blind hole implantation
[technical field]
The present invention relates to a kind of blind hole be implanted into self-locking screw rod, specifically the present invention relates to it is a kind of suitable for blind hole implantation oneself Lock screw rod.
[background technique]
Field of machining process casting when, screw rod can not be set on casting so that the later period using when be difficult to and other works Part connection, existing connection type is that thin plate with hole is arranged on workpiece, is then connected two workpiece using bolt;It is another Kind mode is that screw hole is processed on workpiece, the connection of two workpiece is obtained by screw, this allows for the connection of workpiece and workpiece It is extremely limited, when especially for needing to fix other a variety of devices on workpiece, this mode that screw hole is processed on workpiece It is unable to satisfy actual demand;It can not adapt to screw rod installation when some special requirements;For being implanted into screw rod always on workpiece Be those skilled in the art R&D direction and a kind of technology bottle of the later period use process addition new function for workpiece Neck.
[summary of the invention]
In order to overcome the shortcomings in the background art, the invention discloses a kind of self-locking screw rod suitable for blind hole implantation, top is utilized Plate separates a side locking tabs, another side locking tabs at annular groove reaming, and screw rod is obtained under the fixation of metal adhesive liquid in blind hole In stablize implantation.
Realize that technical scheme is as follows:
A kind of self-locking screw rod suitable for blind hole implantation, including screw rod, a side locking tabs, another side locking tabs and top plate, in screw rod One end outer rim is equipped with external screw thread, and the other end face of the screw rod to middle part is equipped with slot, and the one of a side locking tabs and another side locking tabs End is hingedly connected to the bottom of slot, by the annular groove reaming being stuck in blind hole on the outside of a side locking tabs and another side locking tabs other end In, the other end of a side locking tabs and another side locking tabs is distributed in splayed, and one end of top plate is in a side chain of splayed distribution Between piece and another side locking tabs other end, be slidably connected at the middle part in slot in the middle part of the top plate, the other end of top plate it is exposed The other end face direction of screw rod.
One end of the self-locking screw rod for being suitable for blind hole implantation, a side locking tabs and another side locking tabs is respectively equipped with Hole is equipped with axis hole in the outer edge surface of screw rod at slot, is through in the hole of a side locking tabs and another side locking tabs in the middle part of axis, the axis Both ends be respectively in the axis hole of screw rod.
The self-locking screw rod for being suitable for blind hole implantation, on the outside of the other end of a side locking tabs and another side locking tabs respectively Equipped with protrusion, it is stuck in the annular groove reaming in blind hole by the protrusion of a side locking tabs and another side locking tabs.
The self-locking screw rod for being suitable for blind hole implantation, is respectively equipped with circle in one end of a side locking tabs and another side locking tabs Ring is formed a side locking tabs of " q " shape chip architecture by the annulus of a side locking tabs;Another side locking tabs and annulus form " P " shape piece Another side locking tabs of structure.
The self-locking screw rod for being suitable for blind hole implantation, on the other end medial surface of a side locking tabs and another side locking tabs It is respectively equipped with inclined-plane A.
The self-locking screw rod for being suitable for blind hole implantation, is respectively equipped with inclined-plane B in one end two sides of top plate, by two inclined-planes The tip of B acquisition top plate one end.
The described self-locking screw rod for being suitable for blind hole implantation, in the other end of screw rod to being equipped with slotted hole A, institute between middle part The middle part for stating top plate is equipped with slotted hole B, and the slotted hole B length of top plate is screw rod slotted hole A one point five again between twice, with It is through in the slotted hole B of top plate in the middle part of the long circular shaft of screw rod slotted hole A structure matching, the both ends of the long circular shaft are fixedly connected on In the slotted hole A of screw rod.
Blind hole, selection are beaten in a kind of application of the self-locking screw rod suitable for blind hole implantation, including workpiece subscript orifice position, workpiece Preparation before matched reaming bit, reaming, to get annular groove reaming, cleaning in the middle part of the blind hole of workpiece using reaming bit blind The implantation in hole and screw rod;
A, workpiece subscript orifice position;
According to design drawing in workpiece subscript orifice position, workpiece is fixed on the sliding platen of drilling machine, hole location is made to correspond to drill bit;
B, workpiece beats blind hole;
Opening equipment punches drill bit at mark hole location, and hole depth must satisfy subsequent reaming and need to obtain blind hole;
C, matched reaming bit is selected;
The bearing of reaming bit and the diameter of drilling rod and the aperture of blind hole is selected matchs or slightly carefully;
D, the preparation before reaming;
Will reaming bit drilling rod clamping end insertion bench drill chuck clamping piece in, screw chuck by clamping piece for drilling rod Clamping end is fixed, then by one end end of the bearing of reaming bit, cylinder, connection sheet, link block and drilling rod along enter blind hole, this When bearing outer ring withstand on the close perimeter wall at blind hole inner end bellmouth bottom;
E, annular groove reaming is got in the middle part of the blind hole of workpiece using reaming bit;
The main shaft for starting drilling machine drives reaming bit rotation, makes to slide the workpiece on platen towards reaming bit direction by rolled round Mobile, the outer ring of bearing withstands on blind hole inner end, the inner ring of bearing and the drilling rod synchronous rotary of reaming bit at this time, at this time by crowded The connection sheet of pressure and the junction stress bending of link block, while the alloy face on protruding block starts to carry out ring in the middle part of to blind hole Around cutting, until getting satisfactory annular groove reaming in the middle part of blind hole;Drilling machine power supply is closed, sliding stand is made by rolled round Workpiece movement on plate makes reaming bit exit blind hole;
F, blind hole is cleared up;
It is fulfiled assignment using giant to being rinsed in blind hole;
G, the implantation of screw rod;
Metal adhesive liquid is poured into the drying blind hole with annular groove reaming, by a side locking tabs and the pressing of another side locking tabs in spiral shell In the slot of bar, be inserted into blind hole using the other end of screw rod, when the other end end of screw rod is close to hole bottom, top plate just with it is blind The bottom hole in hole contacts, and the two inclined-plane B of tip of top plate one end applies to the inclined-plane A of a side locking tabs and another side locking tabs press respectively at this time In annular groove reaming, the plant for obtaining screw rod is just solidified to metal adhesive liquid for the protrusion of power, a side locking tabs and another side locking tabs Enter, and the external screw thread of screw rod outer end can be connect with the screw hole of other workpiece or with other accessories.
In step E water pipe can be arranged on blind hole top in the application of the self-locking screw rod for being suitable for blind hole implantation, Cooled down by the cooling water of water pipe outflow to drill process, further obtains the outflow of the iron filings and water of drill process outflow.
The application of the self-locking screw rod for being suitable for blind hole implantation, the bearing inner race of the reaming bit are covered before cylinder On the undergauge cylinder at end, connection sheet front end is through in the slot of cylinder rear end and forms articulated connection using axis C, and connection sheet rear end is worn Articulated connection is formed in the slot of link block front end setting and using axis B, link block rear end is through in the slot of drilling rod front end setting And articulated connection is formed using axis A, wherein the slot of drilling rod front end setting extands rearward in the middle part of drilling rod, is obtained by the slot extended cold But the iron filings that generate and water flow out when inflows blind hole and punching of the water in punching.
By above disclosure, the beneficial effects of the present invention are:
Self-locking screw rod of the present invention suitable for blind hole implantation, by the way that slot is arranged in the screw rod other end, using axis by side Locking plate and another side locking tabs are hingedly connected to the bottom of slot, and roof movement is arranged in the middle part of slot by long circular shaft, benefit when use One side locking tabs, another side locking tabs are separated at annular groove reaming with top plate, screw rod is obtained under the fixation of metal adhesive liquid and is existed Stablize implantation in blind hole;The present invention is that the other components of subsequent connection of workpiece establish basis, has effectively expanded making for workpiece Use range.
[Detailed description of the invention]
Fig. 1 is the assembling structure schematic diagram of screw rod of the present invention;
Fig. 2 is the top plate of screw rod of the present invention and the distribution schematic diagram of two locking plates;
Fig. 3 is that the top plate of screw rod of the present invention opens structural schematic diagram after two locking plates;
Fig. 4 is screw rod schematic perspective view of the invention;
Fig. 5 is a side locking tabs schematic perspective view of the invention;
Fig. 6 is top plate schematic perspective view of the invention;
Fig. 7 is screw rod implanting state structural schematic diagram of the invention;
Fig. 8 is the blind hole structure schematic diagram that the present invention has annular groove reaming;
Working state structure schematic diagram when Fig. 9 is reaming bit reaming of the invention;
Figure 10 is the structural schematic diagram when reaming bit drilling that the present invention uses is stretched;
Structural schematic diagram when Figure 11 is the reaming bit bore state of the invention used;
In figure: 1, raised;2, a side locking tabs;3, " q " shape piece;4, inclined-plane A;5, slotted hole A;6, top plate;7, slotted hole B;8, Another side locking tabs;9, tip;10, axis hole;11, external screw thread;12, screw rod;13, hole;14, long circular shaft;15, axis;16, slot;17, circle Ring;18, inclined-plane B;19, workpiece;20, bottom hole;21, blind hole;22, annular groove reaming;23, chuck;24, clamping piece;25, water Pipe;26, cooling water;27, iron filings and water;28, drilling rod;29, axis A;30, link block;31, axis B;32, connection sheet;33, axis C;34, Cylinder;35, bearing;36, alloy face.
[specific embodiment]
The present invention is further detailed below with reference to embodiment;The following examples are not for limit of the invention Fixed, only as the mode for supporting realization of the invention, any equivalent structure in technological frame disclosed in this invention is replaced, For protection scope of the present invention;
It is suitable for the self-locking screw rod of blind hole implantation, including screw rod 12, a side locking tabs 2, another side chain in conjunction with described in attached drawing 1 to 7 Piece 8 and top plate 6 are equipped with external screw thread 11 in one end outer rim of screw rod 12, and the other end face to the middle part of the screw rod 12 is equipped with slot 16, it is respectively equipped with annulus 17 in one end of a side locking tabs 2 and another side locking tabs 8, " q " shape is formed by the annulus 17 of a side locking tabs 2 One side locking tabs 2 of 3 structure of piece;Another side locking tabs 8 and annulus 17 form another side locking tabs 8 of " P " shape chip architecture, in screw rod 12 outer edge surface is equipped with axis hole 10 at slot 16, and hole 13 and another side locking tabs 8 of 2 annulus 17 of a side locking tabs are through in the middle part of axis 15 In the hole 13 of annulus 17, the both ends of the axis 15, which are respectively in the axis hole 10 of screw rod 12, forms articulated connection, in a side locking tabs 2 It is respectively equipped with protrusion 1 with the other end outside of another side locking tabs 8, in the other end medial surface of a side locking tabs 2 and another side locking tabs 8 On be respectively equipped with inclined-plane A4, be stuck in the annular groove reaming 22 in blind hole 21 by the protrusion 1 of a side locking tabs 2 and another side locking tabs 8, The other end of one side locking tabs 2 and another side locking tabs 8 is distributed in splayed, is respectively equipped with inclined-plane B18 in one end two sides of top plate 6, The tip 9 of 6 one end of top plate is between two inclined-plane A4 of 8 other end of a side locking tabs 2 and another side locking tabs of splayed distribution, For the other end of screw rod 12 to being equipped with slotted hole A5 between middle part, the middle part of the top plate 6 is equipped with slotted hole B7, top plate 6 it is oval Hole B7 length is 12 slotted hole A5 of screw rod one point five again to the long circular shaft between twice, with 12 slotted hole A5 structure matching of screw rod 14 middle parts are through in the slotted hole B7 of top plate 6, and the both ends of the long circular shaft 14 are fixedly connected in the slotted hole A5 of screw rod 12, institute 14 outer rim of long circular shaft at the middle part being slidably connected in slot 16 in the middle part of top plate 6 is stated, the other end of top plate 6 is exposed in the another of screw rod 12 One end end face direction.
It is suitable for the application of the self-locking screw rod of blind hole implantation, including workpiece subscript orifice position, work in conjunction with described in attached drawing 1 to 11 Preparation that part is beaten before blind hole, the matched reaming bit of selection, reaming gets annular in the middle part of the blind hole of workpiece using reaming bit Slot reaming, the implantation for clearing up blind hole and screw rod;
A, workpiece subscript orifice position;
According to design drawing in 19 subscript orifice position of workpiece, workpiece 19 is fixed on the sliding platen of drilling machine, keeps hole location corresponding Drill bit;
B, workpiece beats blind hole;
Opening equipment punches drill bit at mark hole location, and hole depth must satisfy subsequent reaming and need to obtain blind hole 21;
C, matched reaming bit is selected;
Select reaming bit bearing 35 and drilling rod 28 diameter matched with the aperture of blind hole 21 or slightly carefully;
D, the preparation before reaming;
By in the clamping piece 24 of the clamping end insertion bench drill chuck 23 of reaming bit drilling rod 28, chuck 23 is screwed by clamping piece 24 fix the clamping end of drilling rod 28, then by the bearing of reaming bit 35, cylinder 34, connection sheet 32, link block 30 and drilling rod 28 one end end is along blind hole 21 is entered, and the outer ring of bearing 35 withstands on the close perimeter wall at 21 inner end bellmouth bottom 20 of blind hole at this time On;
E, annular groove reaming is got in the middle part of the blind hole of workpiece using reaming bit;
The main shaft for starting drilling machine drives reaming bit rotation, makes to slide the workpiece on platen towards reaming bit direction by rolled round Mobile, the outer ring of bearing 35 withstands on 21 inner end of blind hole at this time, and water pipe 25, the inner ring of bearing 35 and reaming is arranged on 21 top of blind hole 28 synchronous rotary of drilling rod of drill bit, the junction stress bending of the connection sheet 32 being squeezed at this time and link block 30, and meanwhile it is convex Alloy face on bittiness 32 starts to carry out surrounding cutting in the middle part of to blind hole 21, and the synchronous cooling water 26 flowed out by water pipe 25 is fought each other The cooling of hole process, the iron filings and water 27 of drill process outflow extand rearward to 28 middle part of drilling rod by the slot that 28 front end of drilling rod is arranged The slot outflow, until getting satisfactory annular groove reaming 22 at the middle part of blind hole 21;Drilling machine power supply is closed, rolled round is passed through Making to slide the movement of workpiece 19 on platen makes reaming bit exit blind hole 21;
F, blind hole is cleared up;
It is fulfiled assignment using giant to being rinsed in blind hole 21;
G, the implantation of screw rod;
Metal adhesive liquid is poured into the drying blind hole 21 with annular groove reaming 22, and a side locking tabs 2 and another side locking tabs 8 are pressed It is pressed in the slot 16 of screw rod 12, blind hole 21 is inserted into using the other end of screw rod 12, when the other end end of screw rod 12 is close to blind hole When 21 bottom hole 20, top plate 6 is just contacted with the bottom hole 20 of blind hole 21, and 9 liang of inclined-plane B18 of the tip of 6 one end of top plate are respectively to one at this time The protrusion 1 of the inclined-plane A4 of side locking tabs 2 and another side locking tabs 8 application pressure, a side locking tabs 2 and another side locking tabs 8 is just in annular In slot reaming, the implantation for obtaining screw rod 12 is solidified to metal adhesive liquid, and the external screw thread 11 of 12 outer end of screw rod can be with other works The screw hole of part is connect with other accessories.
In conjunction with attached drawing 9,10 and 11, in the bearing 35 of the reaming bit snare on the undergauge cylinder of 34 front end of cylinder, 32 front end of connection sheet is through in the slot of 34 rear end of cylinder and forms articulated connection using axis C33, and 32 rear end of connection sheet is through connection Articulated connection is formed in the slot of 30 front end of block setting and using axis B31,30 rear end of link block is through the slot of 28 front end of drilling rod setting In and using axis A29 form articulated connection, wherein the slot of 28 front end of drilling rod setting extands rearward to the middle part of drilling rod 28, by what is extended Slot obtains the iron filings generated when inflow blind hole 21 and punching of the cooling water 26 in punching and water 27 flows out.
Part not in the detailed description of the invention is the prior art.

Claims (10)

1. a kind of self-locking screw rod suitable for blind hole implantation, including screw rod (12), a side locking tabs (2), another side locking tabs (8) and top Plate (6), it is characterized in that: one end outer rim in screw rod (12) is equipped with external screw thread (11), the other end face of the screw rod (12) is extremely Middle part is equipped with slot (16), and one end of a side locking tabs (2) and another side locking tabs (8) is hingedly connected to the bottom of slot (16), by side It is stuck in the annular groove reaming (22) in blind hole (21) on the outside of locking plate (2) and another side locking tabs (8) other end, a side locking tabs (2) it is distributed with the other end of another side locking tabs (8) in splayed, one end of top plate (6) is in a side locking tabs of splayed distribution (2) between another side locking tabs (8) other end, the middle part in slot (16), top plate (6) are slidably connected in the middle part of the top plate (6) The exposed the other end face direction in screw rod (12) of the other end.
2. it is according to claim 1 suitable for blind hole implantation self-locking screw rod, it is characterized in that: a side locking tabs (2) and One end of another side locking tabs (8) is respectively equipped with hole (13), is equipped with axis hole (10) at slot (16) in the outer edge surface of screw rod (12), It is through in the hole (13) of a side locking tabs (2) and another side locking tabs (8) in the middle part of axis (15), the both ends of the axis (15) are respectively at spiral shell In the axis hole (10) of bar (12).
3. the self-locking screw rod according to claim 1 suitable for blind hole implantation, it is characterized in that: in a side locking tabs (2) and separately Raised (1) is respectively equipped on the outside of the other end of one side locking tabs (8), by the protrusion (1) of a side locking tabs (2) and another side locking tabs (8) It is stuck in the annular groove reaming (22) in blind hole (21).
4. the self-locking screw rod according to claim 1 or 2 suitable for blind hole implantation, it is characterized in that: in a side locking tabs (2) and One end of another side locking tabs (8) is respectively equipped with annulus (17), forms " q " shape piece (3) structure by the annulus (17) of a side locking tabs (2) A side locking tabs (2);Another side locking tabs (8) and annulus (17) form another side locking tabs (8) of " P " shape chip architecture.
5. the self-locking screw rod according to claim 1 suitable for blind hole implantation, it is characterized in that: in a side locking tabs (2) and separately Inclined-plane A(4 is respectively equipped on the other end medial surface of one side locking tabs (8)).
6. the self-locking screw rod according to claim 1 suitable for blind hole implantation, it is characterized in that: in one end two of top plate (6) Side is respectively equipped with inclined-plane B(18), by two inclined-plane B(18) obtain top plate (6) one end tip (9).
7. the self-locking screw rod according to claim 1 suitable for blind hole implantation, it is characterized in that: the other end in screw rod (12) To, equipped with slotted hole A(5), the middle part of the top plate (6) is equipped with slotted hole B(7 between middle part), the slotted hole B(7 of top plate (6)) Length is screw rod (12) slotted hole A(5) one point five again to the length between twice, with screw rod (12) slotted hole A(5) structure matching The slotted hole B(7 of top plate (6) is through in the middle part of circular shaft (14)) in, the both ends of the long circular shaft (14) are fixedly connected on screw rod (12) Slotted hole A(5) in.
8. one kind using the self-locking screw rod for being suitable for blind hole implantation described in claim 1 to 7 any claim is suitable for The application of the self-locking screw rod of blind hole implantation, it is characterized in that: beating blind hole, the matched expansion of selection including workpiece subscript orifice position, workpiece Annular groove reaming, cleaning blind hole and screw rod are got in preparation before drill, reaming using reaming bit in the middle part of the blind hole of workpiece Implantation;
A, workpiece subscript orifice position;
According to design drawing in workpiece (19) subscript orifice position, workpiece (19) is fixed on the sliding platen of drilling machine, hole location is made Corresponding drill bit;
B, workpiece beats blind hole;
Opening equipment punches drill bit at mark hole location, and hole depth must satisfy subsequent reaming and need to obtain blind hole (21);
C, matched reaming bit is selected;
Select reaming bit bearing (35) and drilling rod (28) diameter matched with the aperture of blind hole (21) or slightly carefully;
D, the preparation before reaming;
By in the clamping piece (24) of clamping end insertion bench drill chuck (23) of reaming bit drilling rod (28), chuck (23) are screwed The clamping end of drilling rod (28) is fixed by clamping piece (24), then by the bearing of reaming bit (35), cylinder (34), connection sheet (32), one end end of link block (30) and drilling rod (28) is along blind hole (21) is entered, and the outer ring of bearing (35) withstands on blind hole at this time (21) on the close perimeter wall of inner end bellmouth bottom (20);
E, annular groove reaming is got in the middle part of the blind hole of workpiece using reaming bit;
The main shaft for starting drilling machine drives reaming bit rotation, makes to slide the workpiece on platen towards reaming bit direction by rolled round Mobile, the outer ring of bearing (35) withstands on blind hole (21) inner end at this time, and the inner ring of bearing (35) and the drilling rod (28) of reaming bit are same Step rotation, the junction stress bending of the connection sheet (32) and link block (30) that are squeezed at this time, while on protruding block (32) Alloy face start to carrying out surrounding cutting in the middle part of blind hole (21), up to getting satisfactory ring in the middle part of blind hole (21) Shape slot reaming (22);Drilling machine power supply is closed, so that workpiece (19) movement on sliding platen is exited reaming bit by rolled round blind Hole (21);
F, blind hole is cleared up;
It is fulfiled assignment using be rinsed interior to blind hole (21) of giant;
G, the implantation of screw rod;
Metal adhesive liquid is poured into the drying blind hole (21) with annular groove reaming (22), by a side locking tabs (2) and the other side Locking plate (8) presses in the slot (16) of screw rod (12), blind hole (21) is inserted into using the other end of screw rod (12), when screw rod (12) When other end end is close to blind hole (21) bottom hole (20), top plate (6) is just contacted with the bottom hole (20) of blind hole (21), at this time top plate (6) (9) the two inclined-plane B(18 of tip of one end) apply to the inclined-plane A(4 of a side locking tabs (2) and another side locking tabs (8)) press respectively The protrusion (1) of power, a side locking tabs (2) and another side locking tabs (8) just in annular groove reaming, is solidified to metal adhesive liquid and is obtained The implantation of screw rod (12), and the external screw thread (11) of screw rod (12) outer end can connect with the screw hole of other workpiece or with other accessories It connects.
9. the application of the self-locking screw rod according to claim 8 suitable for blind hole implantation, it is characterized in that: in step E, it can Water pipe (25) are set on blind hole (21) top, is cooled down by the cooling water (26) of water pipe (25) outflow to drill process, is further obtained The outflow of the iron filings and water (27) that take drill process to flow out.
10. the application of the self-locking screw rod according to claim 8 suitable for blind hole implantation, it is characterized in that: the reamer For bearing (35) the interior snare of head on the undergauge cylinder of cylinder (34) front end, connection sheet (32) front end is through cylinder (34) rear end In slot and use axis C(33) articulated connection is formed, connection sheet (32) rear end is through in the slot of link block (30) front end setting and makes Formed and be articulated and connected with axis B(31), link block (30) rear end is through in the slot of drilling rod (28) front end setting and uses axis A(29) shape At articulated connection, wherein the slot of drilling rod (28) front end setting is extanded rearward in the middle part of drilling rod (28), obtains cooling by the slot extended The iron filings that generate and water (27) outflow when inflow blind hole (21) and punching of the water (26) in punching.
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CN111963533A (en) * 2020-07-31 2020-11-20 江苏永昊高强度螺栓有限公司 Expansion bolt convenient to take out
CN111981014A (en) * 2020-09-17 2020-11-24 周玉琴 Connecting mechanism convenient to assemble

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CN111981014A (en) * 2020-09-17 2020-11-24 周玉琴 Connecting mechanism convenient to assemble

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