CN214237706U

CN214237706U - Clamping structure for machining micro drill bit

Info

Publication number: CN214237706U
Application number: CN202022862397.9U
Authority: CN
Inventors: 赵小铭; 冯金喜; 程治胜
Original assignee: Wuxue Mingrui Machinery Co ltd
Current assignee: Wuxue Mingrui Machinery Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-09-21
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses a clamping structure for micro drill bit processing, which comprises a base, wherein the upper surface of the base is provided with a placing square groove, the placing square groove is internally provided with an installation square frame in a sliding way, the side wall of the placing square groove is provided with a locking screw rod by penetrating through threads, a clamping seat is vertically and slidably arranged in the installation square frame, a supporting spring is connected between the bottom surface of the clamping seat and the inner bottom surface of the installation square frame, one side wall of the clamping seat is provided with a tooth socket, the inner side wall of the installation square frame is slidably provided with a locking tooth block matched with the tooth socket, the surface of one end of the locking tooth block, which is far away from the tooth socket, is rotatably provided with a fixing nut, the fixing nut penetrates through the side wall of the installation square frame and is in threaded connection with the installation square frame, the top surface of the clamping seat is provided with a clamping component for clamping the micro drill bit, the utility model realizes the high-efficiency and stable clamping of the drill bit, meanwhile, people can conveniently adjust the horizontal position and the height of the clamped drill bit according to actual conditions.

Description

Clamping structure for machining micro drill bit

Technical Field

The utility model relates to a drill bit processing technology field especially relates to a clamping structure of micro drill bit processing usefulness.

Background

For a drill with a diameter of less than 3.175mm, commonly called a micro-drill, abbreviated as micro-drill, to be effective in use, a series of factors must be considered: such as various elements, processing parameters, hole depth, installation integrity, workpiece structure and the like of the drill bit, the drill bit needs to be ground and polished in the production process of the drill bit, and the strength of the drill bit is enhanced.

When carrying out the polishing or the polishing of drill bit, it is fixed to need carry out effectual centre gripping to the drill bit, but the clamping device who is used in on the drill bit polishing now mostly all the structure too simple, and the flexibility is poor, can not effectively carry out the horizontal position and the height adjustment of drill bit centre gripping back drill bit according to actual conditions to inconvenient people carry out the polishing or the polishing of drill bit, the operation is complicated when carrying out the drill bit centre gripping simultaneously, stability is not good, has certain defect.

Therefore, a clamping structure for micro drill machining is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a clamping structure of micro drill bit processing usefulness, aim at realize carrying out high-efficient centre gripping steadily to the drill bit, make things convenient for people to carry out horizontal position and highly adjusting according to the drill bit after actual conditions to the centre gripping simultaneously.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

the utility model provides a clamping structure that micro-drill processing was used, the on-line screen storage device comprises a base, the base upper surface has been seted up and has been placed the square groove, slidable mounting has the installing frame in placing the square groove, it all runs through the screw thread and installs the locking screw rod to place the square groove lateral wall, slidable mounting has the grip slipper from top to bottom in the installing frame, be connected with supporting spring between the bottom surface in grip slipper bottom surface and the installing frame, the tooth's socket has been seted up to grip slipper lateral wall, installing frame inside wall slidable mounting have with tooth's socket assorted locking tooth piece, the locking tooth piece is kept away from the one end surface rotation of tooth's socket and is installed fixation nut, fixation nut runs through installing frame lateral wall and installing frame threaded connection, the grip slipper top surface is provided with the centre gripping subassembly that is used for carrying out the centre gripping to micro-drill.

Preferably, in the clamping structure of above-mentioned micro drill processing usefulness, the centre gripping subassembly is including rotating the clamp splice of installing at the two-way lead screw of grip slipper upper surface and running through the screw thread at two-way lead screw both ends, the centre gripping groove has been seted up to the clamp splice medial surface, clamp splice slidable mounting is on the grip slipper upper surface, two-way lead screw one end is connected with the carousel through the transmission of worm gear subassembly.

Preferably, in the clamping structure for machining the micro drill bit, the worm and gear assembly comprises a transmission case, a worm wheel and a worm which are rotatably installed in the transmission case, the worm wheel and the worm are meshed with each other, the worm wheel is fixedly connected with the end part of the bidirectional screw rod, and the worm is fixedly connected with the turntable.

Preferably, in the clamping structure for processing the micro drill, two locking nuts are installed on the locking screw in a threaded manner, and the two locking nuts are respectively located inside and outside the placing square groove.

Preferably, in the above clamping structure for micro drill machining, a plurality of balls are mounted on the bottom surface of the mounting frame in a rolling manner.

Preferably, in the clamping structure for processing the micro drill, a protective cushion is laid in the clamping groove.

The utility model has the advantages that:

(1) the utility model has the advantages of reasonable design, move in placing the square frame through promoting the grip slipper, then the locking screw rod of square frame lateral wall is placed to the rotation respectively, make it contradict with the grip slipper, the locking nut on the locking screw rod of screwing at last, the realization carries out the adjustment of centre gripping back horizontal position to the drill bit in the clamping subassembly, make locking tooth piece and tooth's socket separation through rotating fixation nut, can realize carrying out the adjustment of centre gripping back height to the drill bit in the clamping subassembly, and easy operation has effectively made things convenient for people to polish or polish the operation such as to the drill bit.

(2) The utility model has the advantages of reasonable design, through the rotating carousel, drive two-way lead screw and rotate, can realize that the centre gripping groove presss from both sides tightly to the drill bit, operation river ann is high-efficient, and the setting of cooperation worm gear subassembly effectively promotes the stability behind the drill bit centre gripping of class, and the practicality is strong.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the mounting structure of the clamping seat of the present invention;

fig. 3 is a schematic structural diagram of the worm and gear assembly of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base; 2. placing a square groove; 3. installing a square frame; 4. locking the screw rod; 5. a clamping seat; 6. a tooth socket; 7. a locking tooth block; 8. fixing a nut; 9. a clamping assembly; 10. a bidirectional screw rod; 11. a clamping block; 12. a clamping groove; 13. a worm gear assembly; 14. a turntable; 15. a transmission case; 16. a worm gear; 17. a worm; 18. a locking nut; 19. a ball bearing; 20. a protective cushion; 21. supporting the spring.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Please refer to fig. 1-3, the embodiment is a clamping structure for micro drill bit processing, which includes a base 1, a square placing groove 2 is formed on the upper surface of the base 1, an installation frame 3 is slidably installed in the square placing groove 2, a locking screw rod 4 is installed on the side wall of the square placing groove 2 through a thread, a clamping seat 5 is slidably installed in the installation frame 3 from top to bottom, a supporting spring 21 is connected between the bottom surface of the clamping seat 5 and the bottom surface in the installation frame 3, a tooth space 6 is formed on one side wall of the clamping seat 5, a locking tooth block 7 matched with the tooth space 6 is slidably installed on the inner side wall of the installation frame 3, a fixing nut 8 is installed on the surface of one end of the locking tooth block 7 far away from the tooth space 6, the fixing nut 8 penetrates through the side wall of the installation frame 3 and is in threaded connection with the installation frame 3, and a clamping assembly 9 for clamping the micro drill bit is arranged on the top surface of the clamping seat 5.

Further, the clamping assembly 9 comprises a bidirectional screw rod 10 rotatably installed on the upper surface of the clamping seat 5 and clamping blocks 11 installed at two ends of the bidirectional screw rod 10 through threads, a clamping groove 12 is formed in the inner side surface of each clamping block 11, each clamping block 11 is slidably installed on the upper surface of the clamping seat 5, and one end of the bidirectional screw rod 10 is connected with a rotary table 14 through a worm and gear assembly 13 in a transmission mode. In the embodiment, the two clamping blocks 11 are driven to synchronously approach to the center of the bidirectional screw rod 10 by rotating the rotary table 14, so that the clamping grooves 12 can effectively clamp the drill bit.

Further, the worm and gear assembly 13 comprises a transmission case 15, and a worm wheel 16 and a worm 17 which are rotatably installed in the transmission case 15, wherein the worm wheel 16 is meshed with the worm 17, the worm wheel 16 is fixedly connected with the end of the bidirectional screw rod 10, and the worm 17 is fixedly connected with the turntable 14. In this embodiment, the arrangement of the worm and gear assembly 13 provides effective self-locking for the bidirectional screw rod 10, and effectively improves the stability of the clamped drill bit.

Further, two locking nuts 18 are threadedly mounted on the locking screw 4, and the two locking nuts 18 are respectively located inside and outside the placing square groove 2. In this embodiment, the lock nut 18 is provided to ensure the stability of the lock screw 4.

Further, a plurality of balls 19 are roll-mounted on the bottom surface of the mounting box 3. In this embodiment, the balls 19 are provided to facilitate the pushing of the mounting frame 3 by a person.

Further, a protective cushion 20 is laid in the holding groove 12. In this embodiment, the protective cushion 20 provides a certain protection for the drill bit, and simultaneously improves the clamping force of the clamping block 11.

The utility model discloses a concrete implementation, specific application method is:

(1) clamping and fixing the drill bit: people place the drill bit between two clamp splice 11, then rotate carousel 14, realize two clamp splice 11 and carry out effectual clamp tightly to the drill bit, under worm gear assembly 13's effect, the drill bit centre gripping back stability is good.

(2) Adjusting the horizontal position after the drill bit is clamped: when the horizontal position was adjusted after needs were to the drill bit centre gripping, people rotated locking screw 4 on 2 four lateral walls in proper order of square groove of placing and made it keep away from installation square frame 3 for reserve the space of installation square frame 3 motion in placing square groove 2, then people promoted installation square frame 3 to the position that needs, screwed locking screw 4 on 2 four lateral walls in square groove of placing after that, made four locking screw 4 carry out the locking to the position of installation square frame 3, it can to screw locking nut 18 on the locking screw 4 at last.

(3) Adjusting the height of the clamped drill bit: when people need adjust the height behind the drill bit centre gripping, people only need to rotate fixation nut 8 and make locking tooth piece 7 and the separation of tooth's socket 6, then rotate fixation nut 8 once more after selecting suitable height and make locking tooth piece 7 and tooth's socket 6 combine can, easy operation.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a clamping structure of micro drill processing usefulness which characterized in that: the clamping device comprises a base (1), wherein a square placing groove (2) is formed in the upper surface of the base (1), an installation square frame (3) is arranged in the square placing groove (2) in a sliding mode, a locking screw rod (4) is arranged on the side wall of the square placing groove (2) in a penetrating mode through threads, a clamping seat (5) is arranged in the installation square frame (3) in a sliding mode from top to bottom, a supporting spring (21) is connected between the bottom surface of the clamping seat (5) and the inner bottom surface of the installation square frame (3), a tooth groove (6) is formed in one side wall of the clamping seat (5), a locking tooth block (7) matched with the tooth groove (6) is arranged on the inner side wall of the installation square frame (3) in a sliding mode, a fixing nut (8) is installed on the surface of one end, far away from the tooth groove (6), of the locking tooth block (7) and is connected with the installation square placing groove (3) in a threaded mode through the fixing nut (8), and the top surface of the clamping seat (5) is provided with a clamping component (9) for clamping the micro drill bit.

2. The clamping structure for micro drill processing according to claim 1, wherein: centre gripping subassembly (9) are including rotating two-way lead screw (10) and the clamp splice (11) of threading installation at two-way lead screw (10) both ends of installing at grip slipper (5) upper surface, centre gripping groove (12) have been seted up to clamp splice (11) medial surface, clamp splice (11) slidable mounting is at grip slipper (5) upper surface, two-way lead screw (10) one end is connected with carousel (14) through worm gear subassembly (13) transmission.

3. The clamping structure for micro drill processing according to claim 2, wherein: worm gear worm subassembly (13) include transmission case (15) and rotate and install worm wheel (16) and worm (17) in transmission case (15), worm wheel (16) and worm (17) mesh mutually, worm wheel (16) and two-way lead screw (10) tip fixed connection, worm (17) and carousel (14) fixed connection.

4. The clamping structure for micro drill processing according to claim 1, wherein: two locking nuts (18) are installed on the locking screw rod (4) in a threaded mode, and the two locking nuts (18) are located inside and outside the square placing groove (2) respectively.

5. The clamping structure for micro drill processing according to claim 1, wherein: a plurality of balls (19) are arranged on the bottom surface of the mounting frame (3) in a rolling way.

6. The clamping structure for micro drill processing according to claim 2, wherein: and a protective soft cushion (20) is laid in the clamping groove (12).