CN211639254U

CN211639254U - Clamping structure for machining micro drill bit

Info

Publication number: CN211639254U
Application number: CN201922326793.7U
Authority: CN
Inventors: 殷银兵
Original assignee: Taizhou Jumao Electronic Technology Co ltd
Current assignee: Taizhou Jumao Electronic Technology Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-10-09
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a clamping structure of micro drill bit processing usefulness relates to drill bit processing technology field. The adjustable clamping fixture comprises a base, a rectangular groove is formed in the middle of the base, two lower clamping blocks are fixedly mounted on the front side and the rear side of the rectangular groove through two groups of adjusting mechanisms, each adjusting mechanism comprises a first through hole, a first bearing seat, a transmission rod, a second through hole, a second bearing seat, a lead screw, a moving nut and a moving block, the front side and the rear side of the base are close to the inside of the base, the first through holes are formed in the base, and the transmission rod is fixedly mounted in the first through holes through the first bearing. The utility model discloses an adjustment mechanism drives down the fixture block and reciprocates, is convenient for come to highly adjust the horizontal direction axle center according to the specification of drill bit, can conveniently polish or polish the use, and the rethread support frame can the back-and-forth movement, can adjust the position of last fixture block, is convenient for press from both sides the tight fixed of clamp to the drill bit of different length, and it is more convenient to use.

Description

Clamping structure for machining micro drill bit

Technical Field

The utility model relates to a drill bit processing technology field specifically is 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 and workpiece structure of the drill bit, the drill bit needs to be ground and polished during the production process of the drill bit, so as to enhance the strength of the drill bit, but the existing drill bit has the following problems during the production process:

1. in the prior art, a clamping structure used by a drill bit has a single function, cannot adjust the height of the axis of the drill bit in the horizontal direction, and brings inconvenience to grinding or polishing operation;

2. in the prior art, due to the fact that the drill bits are different in specification and size and different in length, when the drill bits are clamped, the clamping positions need to be adjusted according to the length of the drill bits, however, the existing drill bit clamping structure does not have the function, and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a clamping structure of micro-drill processing usefulness possesses and comes to highly adjust the horizontal direction axle center according to the specification of drill bit, can adjust the position of last fixture block, is convenient for press from both sides tight advantage such as fixed to the drill bit of different length, has solved and can't have adjusted drill bit horizontal direction axle center height, can't come the problem of adjusting the centre gripping position according to drill bit length.

(II) technical scheme

Come to adjust horizontal direction axle center height for realizing the aforesaid specification according to the drill bit, can adjust the position of last fixture block, be convenient for press from both sides tight fixed purpose to the drill bit of different length, the utility model provides a following technical scheme: a clamping structure for machining a micro drill bit comprises a base, wherein a rectangular groove is formed in the middle of the base, and two lower clamping blocks are fixedly arranged in the rectangular groove close to the front side and the rear side through two groups of adjusting mechanisms;

the adjusting mechanism comprises a first through hole, a first bearing seat, a transmission rod, a second through hole, a second bearing seat, a screw rod, a movable nut and a movable block bevel gear, wherein the first through hole is formed in the base close to the front side and the rear side, the transmission rod is fixedly arranged in the first through hole through the first bearing seat, the second through holes are formed in the base upper surface corresponding to the transmission rod and located on the left side and the right side of the rectangular groove, the screw rod is fixedly arranged in the second through hole through the second bearing seat, the movable nut is arranged on the screw rod, the movable block is fixedly arranged on the upper surface of the movable nut, the movable block is fixedly connected with the lower fixture block, the screw rod is in transmission connection with the transmission rod through the bevel gear, sliding grooves are formed in the upper surface of the base close to the left side, the middle part of the support frame is fixedly provided with a clamping mechanism;

clamping mechanism includes fixed block, shank of bolt, carousel and goes up the fixture block, fixed block fixed mounting is in support frame upper surface middle part, the shank of bolt is installed to the fixed block internal thread, fixed surface installs the carousel under the shank of bolt, the fixed surface of carousel installs and goes up the fixture block.

As an optimized technical scheme of the utility model, transfer line left surface fixed mounting has first twist grip.

As an optimized technical scheme of the utility model, the rectangular hole that supplies the locking bolt to remove is seted up to the left and right sides of base.

As an optimized technical scheme of the utility model, the last fixed surface of shank of bolt installs the second twist grip.

As an optimized technical scheme of the utility model, the through hole that supplies the shank of bolt current is seted up to the corresponding position of shank of bolt on the support frame.

As a preferred technical scheme of the utility model, width and rectangular channel left and right sides width phase-match about lower fixture block, it is the same with lower fixture block shape size to go up the fixture block.

(III) advantageous effects

Compared with the prior art, the utility model provides a clamping structure of micro drill bit processing usefulness possesses following beneficial effect:

1. this clamping structure of micro drill processing usefulness, it is rotatory to pass through bevel gear drive lead screw through setting up the transfer line among the adjustment mechanism, and the lead screw drives the movable block through the removal nut and reciprocates, and the fixture block reciprocates under the movable block drives, can adjust the centre of a circle height of lower fixture block, is convenient for come to adjust horizontal direction axle center height according to the specification of drill bit, can conveniently polish or polish the use.

2. This clamping structure of micro-drill processing usefulness through setting up the support frame and moving back and forth in the spout to fix the support frame through the locking bolt, the rethread support frame drives the last fixture block back-and-forth movement among the clamping mechanism, makes and goes up the fixture block and come the rotary clamp fixed position according to the length of drill bit, and it is more convenient to use.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a left side view of the present invention.

In the figure: 1. a base; 2. a rectangular groove; 3. an adjustment mechanism; 301. a first through hole; 302. a first bearing housing; 303. a transmission rod; 304. a second through hole; 305. a second bearing housing; 306. a screw rod; 307. moving the nut; 308. a moving block; 309. a bevel gear; 4. a lower clamping block; 5. a chute; 6. a support frame; 7. Locking the bolt; 8. a clamping mechanism; 801. a fixed block; 802. a bolt shank; 803. a turntable; 804. an upper clamping block; 9. a first rotating handle; 10. a strip hole; 11. a second rotating handle; 12. a through hole.

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, a clamping structure for micro drill processing comprises a base 1, wherein a rectangular groove 2 is formed in the middle of the base 1, and two lower clamping blocks 4 are fixedly mounted in the rectangular groove 2 near the front side and the rear side through two groups of adjusting mechanisms 3;

the adjusting mechanism 3 comprises a first through hole 301, a first bearing seat 302, a transmission rod 303, a second through hole 304, a second bearing seat 305, a screw rod 306, a moving nut 307, a moving block 308 and a bevel gear 309, wherein the first through hole 301 is formed in the base 1 near the front side and the rear side, the transmission rod 303 is fixedly installed in the first through hole 301 through the first bearing seat 302, the second through hole 304 is formed in the left side and the right side of the rectangular groove 2 on the upper surface of the base 1 corresponding to the transmission rod 303, the screw rod 306 is fixedly installed in the second through hole 304 through the second bearing seat 305, the moving nut 307 is arranged on the screw rod 306, the moving block 308 is fixedly installed on the upper surface of the moving nut 307, the moving block 308 is fixedly connected with the lower fixture block 4, the screw rod 306 is in transmission connection with the transmission rod 303 through the bevel gear 309, and sliding grooves, a support frame 6 is fixedly arranged between the sliding grooves 5, the support frame 6 is locked and fixed with the base 1 through a locking bolt 7, and a clamping mechanism 8 is fixedly arranged in the middle of the support frame 6;

the clamping mechanism 8 comprises a fixing block 801, a bolt rod 802, a rotary table 803 and an upper clamping block 804, wherein the fixing block 801 is fixedly installed in the middle of the upper surface of the support frame 6, the bolt rod 802 is installed in the fixing block 801 in a threaded mode, the rotary table 803 is fixedly installed on the lower surface of the bolt rod 802, and the upper clamping block 804 is fixedly installed on the lower surface of the rotary table 803.

Specifically, a first rotating handle 9 is fixedly mounted on the left side surface of the transmission rod 303.

In this embodiment, the first rotating handle 9 is convenient for the user to rotate the transmission rod 303, and is convenient to use.

Specifically, the left side and the right side of the base 1 are provided with long holes 10 for the locking bolts 7 to move.

In this embodiment, the elongated hole 10 facilitates the movement of the locking bolt 7 back and forth along with the support frame 6.

Specifically, a second rotating handle 11 is fixedly mounted on the upper surface of the bolt rod 802.

In this embodiment, the second rotating handle 11 facilitates use of rotating the bolt shaft 802.

Specifically, a through hole 12 for passing the bolt rod 802 is formed in a position of the support frame 6 corresponding to the bolt rod 802.

In this embodiment, the through hole 12 facilitates the up-and-down movement of the bolt shaft 802, and guides the bolt shaft 802.

Specifically, the left and right width of the lower fixture block 4 is matched with the left and right width of the rectangular groove 2, and the shape and size of the upper fixture block 804 are the same as those of the lower fixture block 4.

In this embodiment, lower fixture block 4 reciprocates more stably in rectangular channel 2, goes up fixture block 804 and can insert downwards and locate in rectangular channel 2 simultaneously.

The utility model discloses a theory of operation and use flow: when the diameter of the drill bit is used, the transmission rod 303 in the adjusting mechanism 3 is rotated by the first rotating handle 9, the transmission rod 303 drives the lead screw 306 to rotate by the bevel gear 309, the lead screw 306 drives the moving block 308 to move up and down by the moving nut 307, the moving block 308 drives the lower fixture block 4 to move up and down, the height of the center of a circle of the lower fixture block 4 can be adjusted, the height of the horizontal axis can be adjusted conveniently according to the specification of the drill bit, the drill bit can be conveniently polished or polished, the support frame 6 can move back and forth in the chute 5 and can fix the support frame 6 by the locking bolt 7, the upper fixture block 804 in the clamping mechanism 8 can be driven by the support frame 6 to move back and forth, the upper fixture block 804 can be rotated and clamped at a fixed position according to the length of the drill bit, the diameter of the drill bit is more convenient to use, the upper fixture block 804 and the lower fixture block 4 clamp and fix the drill bit.

To sum up, this clamping structure of micro drill processing usefulness, through adjustment mechanism 3 drive down fixture block 4 reciprocates, is convenient for come to adjust horizontal direction axle center height according to the specification of drill bit, can conveniently polish or polish the use, and rethread support frame 6 can the back-and-forth movement, can adjust the position of last fixture block 804, is convenient for press from both sides the tight fixed of drill bit of different length clamp, and it is more convenient to use.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

1. The utility model provides a clamping structure of micro drill processing usefulness, includes base (1), its characterized in that: a rectangular groove (2) is formed in the middle of the base (1), and two lower clamping blocks (4) are fixedly mounted in the rectangular groove (2) close to the front side and the rear side through two groups of adjusting mechanisms (3);

the adjusting mechanism (3) comprises a first through hole (301), a first bearing seat (302), a transmission rod (303), a second through hole (304), a second bearing seat (305), a screw rod (306), a movable nut (307), a movable block (308) and a bevel gear (309), the first through hole (301) is formed in the base (1) close to the front side and the rear side, the transmission rod (303) is fixedly installed in the first through hole (301) through the first bearing seat (302), the second through holes (304) are formed in the left side and the right side of the rectangular groove (2) on the upper surface of the base (1) corresponding to the transmission rod (303), the screw rod (306) is fixedly installed in the second through hole (304) through the second bearing seat (305), the movable nut (307) is arranged on the screw rod (306), and the movable block (308) is fixedly installed on the upper surface of the movable nut (307, the moving block (308) is fixedly connected with the lower clamping block (4), the lead screw (306) is in transmission connection with the transmission rod (303) through a bevel gear (309), sliding grooves (5) are formed in the upper surface of the base (1) close to the left side and the right side, a supporting frame (6) is fixedly installed between the sliding grooves (5), the supporting frame (6) is fixedly locked with the base (1) through a locking bolt (7), and a clamping mechanism (8) is fixedly installed in the middle of the supporting frame (6);

clamping mechanism (8) include fixed block (801), shank of bolt (802), carousel (803) and go up fixture block (804), fixed block (801) fixed mounting is in support frame (6) upper surface middle part, shank of bolt (802) is installed to fixed block (801) internal thread, shank of bolt (802) lower fixed surface installs carousel (803), fixture block (804) are installed to the lower fixed surface of carousel (803).

2. The clamping structure for micro drill processing according to claim 1, wherein: and a first rotating handle (9) is fixedly arranged on the left side surface of the transmission rod (303).

3. The clamping structure for micro drill processing according to claim 1, wherein: the left side and the right side of the base (1) are provided with strip holes (10) for the locking bolts (7) to move.

4. The clamping structure for micro drill processing according to claim 1, wherein: and a second rotating handle (11) is fixedly arranged on the upper surface of the bolt rod (802).

5. The clamping structure for micro drill processing according to claim 1, wherein: and through holes (12) for the bolt rods (802) to pass through are formed in the positions, corresponding to the bolt rods (802), on the support frame (6).

6. The clamping structure for micro drill processing according to claim 1, wherein: the left and right width of the lower clamping block (4) is matched with the left and right width of the rectangular groove (2), and the shape and the size of the upper clamping block (804) are the same as those of the lower clamping block (4).