CN212285995U - Drilling center drill bit fixing device - Google Patents

Drilling center drill bit fixing device Download PDF

Info

Publication number
CN212285995U
CN212285995U CN202020647552.2U CN202020647552U CN212285995U CN 212285995 U CN212285995 U CN 212285995U CN 202020647552 U CN202020647552 U CN 202020647552U CN 212285995 U CN212285995 U CN 212285995U
Authority
CN
China
Prior art keywords
drill bit
steel sleeve
fixed block
taper hole
steel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202020647552.2U
Other languages
Chinese (zh)
Inventor
徐进华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Zhongnan Numerical Control Machine Made Co ltd
Original Assignee
Nantong Zhongnan Numerical Control Machine Made Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nantong Zhongnan Numerical Control Machine Made Co ltd filed Critical Nantong Zhongnan Numerical Control Machine Made Co ltd
Priority to CN202020647552.2U priority Critical patent/CN212285995U/en
Application granted granted Critical
Publication of CN212285995U publication Critical patent/CN212285995U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

The utility model discloses a drill bit fixing device for a drilling center, which comprises a fixing block, wherein the fixing block is rectangular, a taper hole is arranged in the fixed block, the inner diameter of the left end of the taper hole is larger than that of the right end of the taper hole, three threaded holes are arranged on the fixed block, the threaded hole is connected with a steel sleeve through threads, the utility model is provided with a fixed block, a taper hole is arranged inside the fixed block and used for inserting a drill bit, the inner diameter of the left end of the taper hole is larger than that of the right end, consequently, fixed drill bit that can be fine prevents the drill bit displacement, has seted up three spacing groove on the drill bit, and telescopic one end fixed connection of steel has a spacing head, can play the fixed action with the spacing groove joint, steel sleeve and screw hole spiro union, telescopic one end fixedly connected with ring baffle of steel, telescopic outside cover of steel has the spring, can prevent that steel sleeve pine from taking off.

Description

Drilling center drill bit fixing device
Technical Field
The utility model relates to a technical field is fixed to the drill bit, specifically is a drilling center drill bit fixing device.
Background
Before the drill bit is used, the fixing device is required to be used for fixing the drill bit, and the drill bit can be operated after the fixing is finished. To this end, we propose a drill center bit fixture.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a drilling center drill bit fixing device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drilling center drill bit fixing device, includes the fixed block, the fixed block is rectangle, the taper hole has been seted up to the inside of fixed block, the left end internal diameter of taper hole is greater than the right-hand member internal diameter, three screw hole has been seted up on the fixed block, the screw hole has the steel sleeve through threaded connection, the telescopic one end fixed connection of steel has the spacing head, the inside of taper hole is equipped with the drill bit, three spacing groove has been seted up on the drill bit, the telescopic one end fixedly connected with ring baffle of steel, the telescopic outside cover of steel has the spring.
Preferably, the right upper side of the fixed block is provided with a rectangular mounting groove.
Preferably, a metal plug is arranged in the steel sleeve, and a limiting block is welded at one end of the metal plug.
Preferably, the outer side of the metal plug is provided with an annular convex part.
Preferably, the taper of the drill bit is the same as the taper of the taper hole.
Preferably, the steel sleeve has an inner diameter of 3-15 mm.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses have the fixed block, the taper hole has been seted up to the inside of fixed block, and the taper hole is used for the drill bit to insert, and the left end internal diameter of taper hole is greater than the right-hand member internal diameter, and consequently the fixed drill bit that can be fine prevents the drill bit displacement, has seted up three spacing groove on the drill bit, and telescopic one end fixed connection of steel has the spacing head, can play the fixed action with the spacing groove joint, steel sleeve and screw hole spiro union, telescopic one end fixedly connected with ring baffle of steel, telescopic outside cover of steel has the spring, can prevent that steel sleeve pine from taking off.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the metal stopper of the present invention;
fig. 3 is a schematic view of the taper hole structure of the present invention.
In the figure: 1. a fixed block; 2. a rectangular mounting groove; 3. a steel sleeve; 4. an annular baffle; 5. a metal plug; 6. a spring; 7. a limiting head; 8. a threaded hole; 9. a taper hole; 10. a limiting block; 11. an annular boss; 12. a drill bit; 13. a limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a drilling center drill bit fixing device, includes fixed block 1, fixed block 1 is rectangle, taper hole 9 has been seted up to fixed block 1's inside, the left end internal diameter of taper hole 9 is greater than the right-hand member internal diameter, three screw hole 8 has been seted up on fixed block 1, screw hole 8 has steel sleeve 3 through threaded connection, the one end fixed connection of steel sleeve 3 has spacing head 7, the inside of taper hole 9 is equipped with drill bit 12, three spacing groove 13 has been seted up on drill bit 12, the one end fixedly connected with ring baffle 4 of steel sleeve 3, the outside cover of steel sleeve 3 has spring 6.
And the right upper side of the fixed block 1 is provided with a rectangular mounting groove 2.
The inside of steel sleeve 3 is equipped with metal stopper 5, the welding of the one end of metal stopper 5 has stopper 10.
The outside of metal stopper 5 is equipped with annular bellying 11, and inside steel sleeve 3 can be plugged in to metal stopper 5, prevents that steel sleeve 3 from loosening.
The taper of the drill bit 12 is the same as that of the taper hole 9.
The steel sleeve 3 has an internal diameter of 10 mm.
Specifically, during the use, this drilling center drill bit fixing device, have fixed block 1, taper hole 9 has been seted up to fixed block 1's inside, taper hole 9 is used for drill bit 12 to insert, the left end internal diameter of taper hole 9 is greater than the right-hand member internal diameter, consequently fixed drill bit 12 that can be fine, prevent drill bit 12 displacement, three spacing groove 13 has been seted up on the drill bit 12, steel sleeve 3's one end fixed connection has spacing head 7, can follow spacing groove 13 joint, play the fixed action, steel sleeve 3 and 8 spiro unions of screw hole, steel sleeve 3's one end fixedly connected with ring baffle 4, steel sleeve 3's outside cover has spring 6, can prevent that steel sleeve 3 pine from taking off.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a drilling center drill bit fixing device, includes fixed block (1), its characterized in that: fixed block (1) is rectangle, taper hole (9) have been seted up to the inside of fixed block (1), the left end internal diameter of taper hole (9) is greater than the right-hand member internal diameter, three screw hole (8) have been seted up on fixed block (1), screw hole (8) have steel sleeve (3) through threaded connection, the one end fixed connection of steel sleeve (3) has stopper (7), the inside of taper hole (9) is equipped with drill bit (12), three spacing groove (13) have been seted up on drill bit (12), the one end fixedly connected with ring baffle (4) of steel sleeve (3), the outside cover of steel sleeve (3) has spring (6).
2. A drill center bit fixture according to claim 1 wherein: the right upper side of the fixed block (1) is provided with a rectangular mounting groove (2).
3. A drill center bit fixture according to claim 1 wherein: the steel sleeve (3) is internally provided with a metal plug (5), and one end of the metal plug (5) is welded with a limiting block (10).
4. A drill center bit fixture according to claim 3 wherein: and an annular bulge (11) is arranged on the outer side of the metal plug (5).
5. A drill center bit fixture according to claim 1 wherein: the taper of the drill bit (12) is the same as that of the taper hole (9).
6. A drill center bit fixture according to claim 1 wherein: the inner diameter of the steel sleeve (3) is 3-15 mm.
CN202020647552.2U 2020-04-26 2020-04-26 Drilling center drill bit fixing device Expired - Fee Related CN212285995U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020647552.2U CN212285995U (en) 2020-04-26 2020-04-26 Drilling center drill bit fixing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020647552.2U CN212285995U (en) 2020-04-26 2020-04-26 Drilling center drill bit fixing device

Publications (1)

Publication Number Publication Date
CN212285995U true CN212285995U (en) 2021-01-05

Family

ID=73963530

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020647552.2U Expired - Fee Related CN212285995U (en) 2020-04-26 2020-04-26 Drilling center drill bit fixing device

Country Status (1)

Country Link
CN (1) CN212285995U (en)

Similar Documents

Publication Publication Date Title
CN215896640U (en) Non-welding type cover plate liquid injection structure
CN212285995U (en) Drilling center drill bit fixing device
CN204099779U (en) A kind of rare metal equipment sealing flange
CN212772318U (en) Concrete pipe pile quick joint
CN212079813U (en) Telescopic oil cylinder of front crane
CN210599689U (en) Flange plate convenient for adding lubricating oil
CN210830854U (en) Connect stable ready-package purifier and connect
CN209799882U (en) Long-life high-strength large-water-hole drill rod device
CN203716863U (en) Active compound drill pipe
CN212657395U (en) Motorcycle brake oil pipe connecting mechanism
CN210530763U (en) High-pressure female oil union variable-buckle connector
CN211758737U (en) Split type hard alloy counter sinking composite drill
CN213888848U (en) Battery welding noise reduction device
CN216519066U (en) Spring telescopic type positioning pin
CN206561247U (en) A kind of mud relief valve positioning hole valve port trimming device
CN216096586U (en) Dual-purpose chuck for drilling and tapping
CN218135505U (en) Tapping collet capable of automatically tightening
CN215950351U (en) Piston rod with groove at piston end
CN215667119U (en) Electric fork truck brake oilcan connecting device and oiling system
CN213450277U (en) Fixed-length telescopic oil pipe nipple
CN203679456U (en) Water retaining tool of perforating gun
CN211082511U (en) Screw rod with limit structure
CN114439402A (en) Multifunctional flat strong magnetic salvager
CN213331984U (en) Combined locknut with axial automatic compression adjusting function
CN206146067U (en) Novel cross cold type reservoir end body

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210105