CN220679471U - Slotting and positioning mechanism for drill bit machining - Google Patents

Abstract

The utility model relates to the technical field of drill bit machining, in particular to a drill bit machining slotting positioning mechanism, which solves the problem that a drill bit clamping positioning device in the prior art cannot be adapted to stable clamping positioning of various types of drill bits. The utility model provides a drill bit processing fluting positioning mechanism, includes the workstation and installs the fluting motor on the workstation, be equipped with the support on the workstation, one side of support is annular array and is provided with four groups clamping assembly, the barrel is installed to the opposite side of support, and the swivel nut is installed to the tip of barrel. According to the utility model, four groups of clamping assemblies distributed in an annular array are utilized, and the four groups of clamping assemblies can radially clamp the drill bit through the adjusting screw, so that the clamping of drill bits with different outer diameters can be adapted, the contact area with the drill bit and the contact friction with the drill bit during clamping are increased, and the stability of clamping the drill bit is improved.

Description

Slotting and positioning mechanism for drill bit machining

Technical Field

The utility model relates to the technical field of drill bit machining, in particular to a drill bit machining slotting and positioning mechanism.

Background

In the processing process of the special drill, four sinking grooves with 90 degrees are needed to be formed on the end part of the special drill and are used for being installed on the blade, and when the sinking grooves are processed, the special drill is mostly fixed by using a jaw.

The prior Chinese patent with the publication number of CN214109032U provides a drill bit clamping and positioning device, which comprises a frame body, a base, a clamping block, a rotating rod and a clamping plate; a plurality of sliding grooves are uniformly formed in the frame body, a motor is arranged at the rear of the frame body, and a cutting blade is connected to a shaft of the motor in a key manner; the lower part of the base is provided with a sliding block which is in sliding connection with the sliding groove, the left side of the base is symmetrically provided with lugs, the middle part of the base is provided with a guide rod, the right side of the guide rod is provided with an annular groove on the base, and the right side of the base is provided with a supporting plate; the fixture block is rotationally connected with the annular groove, and a first through hole is formed in the center of the fixture block.

By adopting the technical scheme, the problems that the clamping area is small, the drill is easy to shake and the fixation is unreliable during the processing of the drill sinking groove are solved; however, when the structure is used, the drill bit is clamped by the two clamping plates, and when the outer diameter of the processed drill bit is enlarged or reduced, the contact surface between the clamping plates and the drill bit becomes a contact point, and the problem of unstable drill bit positioning and clamping exists, so that a drill bit processing slotting positioning mechanism is provided.

Disclosure of Invention

The utility model aims to provide a drill bit machining slotting positioning mechanism, which solves the problem that a drill bit clamping positioning device cannot be adapted to stable clamping positioning of various types of drill bits.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a drill bit processing fluting positioning mechanism, includes the workstation and installs the fluting motor on the workstation, be equipped with the support on the workstation, one side of support is annular array and is provided with four group's clamping assembly, the barrel is installed to the opposite side of support, and the swivel nut is installed to the tip of barrel, the fit has adjusting screw in the swivel nut internal thread, four group's clamping assembly radial motion of adjusting screw drive.

Preferably, the movable groove is formed in the workbench, an electric push rod is mounted on the lower end face of the workbench, a connecting plate is mounted at the output end of the electric push rod, a sliding seat of a T-shaped structure is arranged in the movable groove, the bottom of the sliding seat is mounted with the connecting plate, and the top of the sliding seat is mounted with the support.

Preferably, the length direction of the movable groove is perpendicular to the axial line direction of the slotting motor.

Preferably, the clamping assembly comprises a clamping plate of an arc-shaped structure, lug plates arranged on two sides of the outer wall of the clamping plate, a trapezoidal plate arranged between the two groups of lug plates, a push rod matched with the trapezoidal plate for use, top plates arranged on two ends of the clamping plate and shaft rods connected on two sides of the bottom of the top plates, wherein the two groups of top plates are connected by using a cross rod, the top plates are fixedly connected with a support, sliding holes are respectively formed in two ends of the lug plates, the shaft rods are of a T-shaped structure, and the vertical parts of the shaft rods penetrate through the sliding holes.

Preferably, the push rod is propped against the inclined end surface of the trapezoid plate, the other end of the push rod penetrates through the support to the inside of the cylinder, a circular plate propped against the four push rods is arranged in the cylinder, and the circular plate is fixedly connected with the adjusting screw.

Preferably, the inner side of the clamping plate is provided with a transverse or longitudinal damping strip, and the damping strip is soft silica gel.

The utility model has at least the following beneficial effects:

1. by utilizing four groups of clamping assemblies distributed in an annular array, the drill bit can be radially clamped by the four groups of clamping assemblies through the adjusting screw, so that the clamping of drill bits with different outer diameters can be adapted.

2. By means of the arrangement of the four groups of clamping assemblies, clamping plates of the four groups of clamping assemblies are of arc-shaped structures, damping strips are arranged on the inner sides of the arc-shaped structures, so that the contact area with a drill bit and the contact friction with the drill bit during clamping are increased, and the stability of clamping the drill bit is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a drill slotting and positioning device;

FIG. 2 is a schematic view of a positioning mechanism;

FIG. 3 is a schematic view of the adjustment screw, the support and the clamping assembly in a disassembled state;

FIG. 4 is a schematic view of a single module configuration of the clamping assembly;

fig. 5 is a schematic view of the inner side structure of the clamping plate.

In the figure: 1. a work table; 2. a slotting motor; 3. a moving groove; 4. a support; 5. adjusting a screw; 6. a cylinder; 7. a screw sleeve; 8. an electric push rod; 9. a clamping assembly; 901. a clamping plate; 902. damping strips; 903. ear plates; 904. a slide hole; 905. a shaft lever; 906. a top plate; 907. a trapezoidal plate; 908. a push rod; 909. a cross bar; 10. a slide; 11. and (5) connecting a plate.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-5, a positioning mechanism for slotting in drill bit machining comprises a workbench 1 and a slotting motor 2 arranged on the workbench 1, wherein a support 4 is assembled on the workbench 1, four groups of clamping components 9 are arranged on one side of the support 4 in an annular array, a cylinder 6 is arranged on the other side of the support 4, a threaded sleeve 7 is arranged at the end part of the cylinder 6, an adjusting screw 5 is screwed and matched in the threaded sleeve 7, and the adjusting screw 5 drives the four groups of clamping components 9 to move radially;

it will be appreciated that: the support 4 is assembled on the workbench 1, as shown in the figure, the support 4 is of an L-shaped structure, and the drill bits are placed in four clamping assemblies 9 distributed in an annular array, and then the adjusting screw 5 is rotated, so that the four groups of clamping assemblies 9 move radially to clamp the drill bits inwards, the four groups of clamping assemblies 9 are respectively contacted with the drill bits, and the fixed and stable positioning device suitable for processing drill bits with different outer diameters is realized.

Further, the movable groove 3 is formed in the workbench 1, the electric push rod 8 is arranged on the lower end face of the workbench 1, the connecting plate 11 is arranged at the output end of the electric push rod 8, the sliding seat 10 with a T-shaped structure is arranged in the movable groove 3, the bottom of the sliding seat 10 is arranged with the connecting plate 11, the top of the sliding seat 10 is arranged with the support 4, and specifically, the sliding seat 10 can move in the movable groove 3 by controlling the electric push rod 8.

Further, the length direction of the moving groove 3 is perpendicular to the axial line direction of the slotting motor 2, and specifically, the control support 4 can be close to the slotting motor 2 or far from the slotting motor 2.

Further, the clamping assembly 9 includes a clamping plate 901 of arc structure, the otic placode 903 of setting in clamping plate 901 outer wall both sides, the trapezoidal board 907 of setting between two sets of otic placode 903, push rod 908 with trapezoidal board 907 cooperation use, set up roof 906 at clamping plate 901 both ends and connect the axostylus axostyle 905 in roof 906 bottom both sides, use horizontal pole 909 to connect between two sets of roof 906, roof 906 and support 4 fixed connection, slide hole 904 has been seted up respectively at otic placode 903 both ends, axostylus axostyle 905 is T type structure, the vertical portion of axostylus axostyle 905 runs through slide hole 904, specifically, the cooperation of trapezoidal board 907 and push rod 908 is injectd to two otic placodes 903, the vertical motion of otic placode 903, can realize when push rod 908 outwards promotes, under the vertical spacing of axostylus axostyle 905, trapezoidal board 907 moves down, make splint 901 radial motion down.

Further, push rod 908 offsets with the slope terminal surface of trapezoidal plate 907, and the other end of push rod 908 runs through support 4 to in barrel 6, is provided with the plectane with four push rods 908 offsets in the barrel 6, plectane and adjusting screw 5 fixed connection, specifically, when the plectane promotes push rod 908 and moves under adjusting screw 5's drive, can realize a plurality of clamping components 9 radial motion, and then carries out the centre gripping to the drill bit.

Further, the inner side of the clamping plate 901 is provided with a transverse or longitudinal damping strip 902, the damping strip 902 is made of soft silica gel, and specifically, the damping strip 902 is arranged, so that the contact area with a drill bit and the contact friction with the drill bit during clamping are further increased, and the stability of clamping the drill bit is further improved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a drill bit processing fluting positioning mechanism, includes workstation (1) and installs fluting motor (2) on workstation (1), a serial communication port, be equipped with support (4) on workstation (1), one side of support (4) is annular array and is provided with four group's clamping assembly (9), barrel (6) are installed to the opposite side of support (4), swivel nut (7) are installed to the tip of barrel (6), swivel nut (7) internal thread is closed and is cooperateed there is adjusting screw (5), four group's clamping assembly (9) radial motion of adjusting screw (5) drive.

2. The drill bit machining slotting positioning mechanism according to claim 1, wherein the workbench (1) is provided with a movable slot (3), an electric push rod (8) is installed on the lower end face of the workbench (1), a connecting plate (11) is installed at the output end of the electric push rod (8), a sliding seat (10) with a T-shaped structure is arranged in the movable slot (3), the bottom of the sliding seat (10) is installed with the connecting plate (11), and the top of the sliding seat (10) is installed with the support (4).

3. The drill machining slotting positioning mechanism according to claim 2, wherein the length direction of the moving slot (3) is perpendicular to the axial line direction of the slotting motor (2).

4. The drill bit machining slotting positioning mechanism according to claim 1, wherein the clamping assembly (9) comprises clamping plates (901) of arc structures, lug plates (903) arranged on two sides of the outer wall of the clamping plates (901), trapezoidal plates (907) arranged between the two groups of lug plates (903), push rods (908) matched with the trapezoidal plates (907), top plates (906) arranged on two ends of the clamping plates (901) and shaft rods (905) connected on two sides of the bottom of the top plates (906), the two groups of top plates (906) are connected through cross rods (909), the top plates (906) are fixedly connected with the support (4), sliding holes (904) are respectively formed in two ends of the lug plates (903), the shaft rods (905) are of T-shaped structures, and vertical parts of the shaft rods (905) penetrate through the sliding holes (904).

5. The drill machining slotting positioning mechanism according to claim 4, wherein the push rod (908) abuts against the inclined end face of the trapezoid plate (907), the other end of the push rod (908) penetrates through the support (4) to the inside of the cylinder body (6), circular plates abutting against the four push rods (908) are arranged in the cylinder body (6), and the circular plates are fixedly connected with the adjusting screw (5).

6. The drill machining slotting positioning mechanism according to claim 4, wherein a transverse or longitudinal damping strip (902) is arranged on the inner side of the clamping plate (901), and the damping strip (902) is soft silica gel.