CN219403549U - Fixing bracket for drill bit machining - Google Patents

Abstract

The utility model relates to the technical field of drill bit machining and discloses a fixing bracket for drill bit machining, which comprises a base, wherein a guide rail is arranged at the top end of the base, a top plate is arranged at the top end of the guide rail, an adjusting screw rod penetrates through the top plate, the bottom end of the adjusting screw rod is connected with a moving plate, a sleeve is fixedly arranged at the bottom end of the moving plate, the bottom end of the moving plate is internally connected with a rotating shaft and extends outwards, a positioning bolt penetrates through the sleeve along the circumferential array of the outer circumference, and a clamping block is fixedly arranged at the front end of the positioning bolt. This fixing bracket is used in drill bit processing is through setting up the sleeve in the pivot outside of drive centre gripping drill bit to run through at the sleeve outer wall and set up multiunit positioning bolt, rotate the drill bit, after adjusting the angle of polishing, to the pivot direction, screw up positioning bolt, make its front end connected locating plate support tightly in the pivot outer wall, fix a position the pivot, prevent to polish the in-process, the drill bit takes place to rotate the skew along with the pivot, leads to polishing the position unpaired, damage drill bit.

Description

Fixing bracket for drill bit machining

Technical Field

The utility model relates to the technical field of drill bit machining, in particular to a fixing bracket for drill bit machining.

Background

When carrying out abrasive machining to the miniature drill bit, because the drill bit diameter is less, need promote the convenience to drill bit processing to the bracket generally, drill bit bracket among the prior art usually can only be fixed with the drill bit centre gripping to carry out processing, but it often can't remove the drill bit that the centre gripping is fixed, makes it more abundant to carry out processing.

Therefore, a drill bit processing bracket is disclosed in the prior art (bulletin number: CN 215659704U), and the sliding base is matched with the rotating head, so that after the drill bit is fixed by the clamping claw, the drill bit can horizontally move and rotate, and further the drill bit can move as required, namely, the purpose of fully processing the drill bit is achieved. But this technical scheme combines the instruction figure to see that its angle that is used for the pivoted rotating head can adjust the drill bit when polishing, but lacks location structure after rotating for when the contact is polished the bistrique, the vibrations that produce of polishing can let the position rotation of drill bit take place the skew, not only influence polishing effect but also can appear excessively polishing and lead to the drill bit damage, so, need improve prior art to satisfy actual demand.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the fixing bracket for the drill bit processing, which has the advantages of being capable of positioning after adjusting the angle and the like, and solves the technical problems.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fixing bracket is used in drill bit processing, includes the base, the guide rail is installed on the base top, the roof is installed on the guide rail top, the inside adjusting screw that runs through of roof, the adjusting screw bottom is connected with the movable plate, movable plate bottom fixed mounting has the sleeve, and movable plate bottom internal connection and outwards extend have the pivot, the sleeve runs through along outer circumference array has positioning bolt, positioning bolt front end fixed mounting has the fixture block, the fixture block rotatable mounting is inside the locating plate, the locating plate is located between pivot and the sleeve, pivot bottom fixedly connected with punch holder, punch holder both ends are connected with the lower plate by locking screw.

As the preferable technical scheme of the utility model, the two groups of guide rails are arranged and symmetrically and fixedly arranged on the top surface of the base, the top plate is fixedly arranged on the top end of the guide rails and connected with the two groups of guide rails, the top end of the top plate is connected with an adjusting screw through threads from top to bottom, the bottom end of the adjusting screw is connected with a movable plate through a limiting block, the limiting block is rotatably arranged in the movable plate, and two ends of the movable plate are slidably arranged in the guide rails.

As the preferable technical scheme of the utility model, the sleeve is hollow cylindrical, the height of the sleeve is equal to the distance between the movable plate and the upper clamping plate, the rotating shaft is positioned in the sleeve, and the top end of the rotating shaft is rotatably connected with the bottom end of the movable plate by the rotating block.

As a preferable mode of the utility model, the positioning bolt is connected to the inside of the sleeve through a thread, and the front end of the positioning plate is in an arc shape fitting with the outer wall of the rotating shaft.

As the preferable technical scheme of the utility model, the two ends of the upper clamping plate are respectively rotatably penetrated by the locking screw rods, and the two ends of the lower clamping plate are respectively connected with the outer wall of the locking screw rods in a threaded manner.

As a preferable technical scheme of the utility model, a downward arc-shaped groove is arranged at the center of the top end of the lower clamping plate.

Compared with the prior art, the utility model provides the fixing bracket for processing the drill bit, which has the following beneficial effects:

1. according to the utility model, the sleeve is arranged outside the rotating shaft for driving and clamping the drill bit, the plurality of groups of positioning bolts are arranged on the outer wall of the sleeve in a penetrating manner, the drill bit is rotated, after the polishing angle is adjusted, the positioning bolts are screwed down towards the rotating shaft, so that the positioning plate connected with the front end of the positioning bolts is abutted against the outer wall of the rotating shaft to position the rotating shaft, and the drill bit is prevented from being damaged due to the fact that the drill bit is rotated and deviated along with the rotating shaft in the polishing process.

2. According to the utility model, the guide rail and the movable plate are arranged, the movable plate is driven to move by the adjusting screw to adjust the polishing height of the drill bit, and the upper clamping plate connected with the bottom end of the rotating shaft is rotated to adjust the polishing angle by arranging the rotating shaft, so that the whole bracket has the effect of adjusting the polishing position at multiple angles.

Drawings

FIG. 1 is a schematic perspective view of a structural bracket of the present utility model;

FIG. 2 is a schematic front view of a structural bracket of the present utility model;

FIG. 3 is a schematic cross-sectional view of a structural bracket of the present utility model;

FIG. 4 is a schematic side cross-sectional view of a structural brace of the present utility model;

FIG. 5 is a schematic cross-sectional view of a structural sleeve of the present utility model.

Wherein: 1. a base; 2. a guide rail; 3. a top plate; 4. adjusting a screw; 5. a moving plate; 6. a sleeve; 7. a rotating shaft; 8. positioning bolts; 9. a clamping block; 10. a positioning plate; 11. an upper clamping plate; 12. locking the screw rod; 13. and a lower clamping plate.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, a fixing bracket for processing a drill bit comprises a base 1, a guide rail 2 is installed at the top end of the base 1, a top plate 3 is installed at the top end of the guide rail 2, an adjusting screw 4 penetrates through the top plate 3, a moving plate 5 is connected to the bottom end of the adjusting screw 4, a sleeve 6 is fixedly installed at the bottom end of the moving plate 5, a rotating shaft 7 is connected to the bottom end of the moving plate 5 and extends outwards, a positioning bolt 8 penetrates through the sleeve 6 along the circumferential array of the outer circumference, a clamping block 9 is fixedly installed at the front end of the positioning bolt 8, the clamping block 9 is rotatably installed inside a positioning plate 10, the positioning plate 10 is located between the rotating shaft 7 and the sleeve 6, an upper clamping plate 11 is fixedly connected to the bottom end of the rotating shaft 7, two ends of the upper clamping plate 11 are connected with a lower clamping plate 13 through locking screws 12, the sleeve 6 is arranged outside the rotating shaft 7 for driving and penetrates through the outer wall of the sleeve 6, the rotating drill bit is rotated, after the polishing angle is adjusted, the positioning bolt 8 is screwed, the positioning plate 10 connected to the front end of the rotating shaft 7 is abutted against the outer wall of the rotating shaft 7, the rotating shaft 7 is positioned, the drill bit is prevented from rotating along with the polishing position of the rotating shaft 7, and the drill bit is prevented from being damaged.

Further, when the drill bit is clamped, the locking screw 12 is screwed, so that the lower clamping plate 13 which is in threaded connection with the outer wall of the lower clamping plate moves downwards to be separated from the upper clamping plate 11, the drill bit is placed at the top end of the lower clamping plate 13, and then the locking screw 12 is reversely screwed, so that the lower clamping plate 13 drives the drill bit to ascend until the drill bit is clamped with the upper clamping plate 11, and the drill bit is fixed.

Further, when adjusting the height of polishing, rotate adjusting screw 4, make it at the inside reciprocates of roof 3, the stopper that the bottom is connected rotates at movable plate 5 inside, drives movable plate 5 both ends at the inside reciprocates of guide rail 2 simultaneously for movable plate 5 bottom is reciprocated by the drill bit of centre gripping, thereby realizes the effect of height adjustment of polishing, and the stopper can play spacing effect to movable plate 5, makes it can follow adjusting screw 4 and reciprocate together.

Further, when adjusting the angle of polishing, loosen positioning bolt 8, drive the locating plate 10 of its front end and the separation of pivot 7 outer wall, rotate the angle of polishing of punch holder 11 regulation drill bit, after the adjustment, reverse tightening positioning bolt 8 promotes locating plate 10 to the 7 direction removal of pivot until press from both sides tight pivot 7 to fix a position pivot 7, prevent to lead to pivot 7 to rotate because of vibrations when polishing, the drill bit rotates along with it, influences polishing.

Further, the rotating shaft 7 is rotatably connected with the moving plate 5 through the rotating block, the rotating shaft 7 can be limited, falling-out is prevented, and the rotating shaft 7 and the drill bit at the bottom end of the rotating shaft are driven by the moving plate 5 to move.

Further, set up decurrent convex recess at lower plate 13 top center, can closely laminate cylindric drill bit, can restrict the drill bit displacement when pressing from both sides tightly, prevent to polish the vibrations that produce and lead to the drill bit skew.

When the rotary drill bit is used, the locking screw 12 is screwed, the lower clamping plate 13 which is in threaded connection with the outer wall of the rotary drill bit is downwards moved and separated from the upper clamping plate 11, a drill bit is placed at the top end of the lower clamping plate 13, the locking screw 12 is reversely screwed, the lower clamping plate 13 drives the drill bit to ascend until the drill bit is clamped with the upper clamping plate 11, the drill bit is fixed, when the polishing height is adjusted, the adjusting screw 4 is rotated, the upper clamping plate 3 moves up and down, the limiting block connected with the bottom end rotates in the moving plate 5, meanwhile, the two ends of the moving plate 5 are driven to move up and down in the guide rail 2, the drill bit clamped at the bottom end of the moving plate 5 can be adjusted, when the polishing angle is adjusted, the positioning bolt 8 is loosened, the positioning plate 10 at the front end of the drill bit is driven to be separated from the outer wall of the rotating shaft 7, the upper clamping plate 11 is rotated to adjust the polishing angle of the drill bit, after adjustment, the positioning bolt 8 is reversely screwed, the positioning plate 10 is pushed to move towards the rotating shaft 7 until the rotating shaft 7 is clamped, and the rotating shaft 7 can be positioned, so that the rotating shaft 7 can be positioned, after the angle is adjusted.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a fixing bracket is used in drill bit processing, includes base (1), guide rail (2) are installed on base (1) top, roof (3) are installed on guide rail (2) top, inside adjusting screw (4) that run through of roof (3), adjusting screw (4) bottom is connected with movable plate (5), its characterized in that: the utility model discloses a movable plate, including movable plate (5), sleeve (6), clamping block (9) rotatable install inside locating plate (10), locating plate (10) are located between pivot (7) and sleeve (6), pivot (7) bottom fixedly connected with punch holder (11), punch holder (11) both ends are connected with lower plate (13) by locking screw (12) along outer circumference array, sleeve (6) are run through there is locating bolt (8), locating bolt (8) front end fixed mounting.

2. The fixing bracket for drill processing according to claim 1, wherein: the guide rail (2) is provided with two groups, and symmetrical fixed mounting is in base (1) top surface, roof (3) fixed mounting is in guide rail (2) top and connect two sets of guide rails (2), roof (3) top-down through-thread connection has adjusting screw (4), adjusting screw (4) bottom is connected with movable plate (5) by the stopper, the stopper rotatable mounting is inside movable plate (5), movable plate (5) both ends slidable mounting is inside guide rail (2).

3. The fixing bracket for drill processing according to claim 2, wherein: the sleeve (6) is hollow cylindrical, the height of the sleeve is equal to the distance between the movable plate (5) and the upper clamping plate (11), the rotating shaft (7) is positioned inside the sleeve (6), and the top end of the rotating shaft is rotatably connected to the bottom end of the movable plate (5) through the rotating block.

4. A fixing bracket for drill processing according to claim 3, wherein: the positioning bolt (8) penetrates through the sleeve (6) in a threaded mode, and the front end of the positioning plate (10) is in an arc shape which is matched with the outer wall of the rotating shaft (7).

5. The fixing bracket for drill processing according to claim 4, wherein: the two ends of the upper clamping plate (11) are respectively rotatably penetrated by a locking screw rod (12), and the two ends of the lower clamping plate (13) are respectively in threaded connection with the outer wall of the locking screw rod (12).

6. The fixing bracket for drill processing according to claim 5, wherein: the center of the top end of the lower clamping plate (13) is provided with a downward arc-shaped groove.