CN214079437U

CN214079437U - Drill bit frame for special bearing ring machine

Info

Publication number: CN214079437U
Application number: CN202021534366.4U
Authority: CN
Inventors: 吴凌明
Original assignee: Anhui Xudao Precision Machinery Co ltd
Current assignee: Anhui Xudao Precision Machinery Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-08-31
Anticipated expiration: 2030-07-29

Abstract

The utility model provides a bearing ring special plane is with drill bit frame relates to anchor clamps technical field, including drill bit frame, mounting hole, first fixed block, first groove of stepping down, second fixed block and first cylinder, be equipped with the extrusion subassembly on the drill bit frame, the extrusion subassembly includes first set square, second set square, slider, second cylinder, third cylinder, nut, extrusion piece, locating piece and spring, another fixed surface of slider has the set square, and a surface of extrusion piece and a set square surface are laminated each other, are equipped with electric telescopic handle between first set square and the second set square. The utility model discloses a setting of drill bit frame, mounting hole, first fixed block, first groove, first cylinder and extrusion subassembly of stepping down for the slider is from left and right and three extrusion in the face of the drill bit handle down, and the first fixed block of cooperation simultaneously ensures the axle center of drill bit handle and the axle center coincidence of mounting hole, has solved the problem that current drill bit appears the central skew in the course of working.

Description

Drill bit frame for special bearing ring machine

Technical Field

The utility model relates to an anchor clamps technical field especially relates to a bearing ring special plane is with boring bit frame.

Background

The turning tool is used for turning processing and is provided with a cutting part, the turning tool is one of the most widely applied tools in the cutting processing, the cutting part of the turning tool consists of a main cutting edge, an auxiliary cutting edge, a front tool face, a main rear tool face, an auxiliary rear tool face and a sharp corner, the combination mode of the cutting part and a handle part (namely a clamping part) of the turning tool mainly comprises an integral type, a welding type, a mechanical clamping type and the like, the mechanical clamping type turning tool can avoid stress and cracks generated by a hard alloy blade during high-temperature welding, and a tool handle can be used for multiple times.

The mechanical clamping formula lathe tool is generally tight with the blade clamp with screw and clamp plate, and the current domestic equipment to bearing ring processing uses simple lathe blade holder (square mouth) to come the clamping lathe tool usually, and the stability and the installation accuracy of installation can not reach the production requirement certainly, appear machining center skew in the processing easily, and the product of processing appears off-centre and can cause the product to scrap for the processing cost increases.

Therefore, the utility model designs a bearing ring special plane is with boring bit frame to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bearing ring special plane is with boring bit frame to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: the drill bit frame for the special bearing ring machine comprises an installation platform, a drill bit assembly and a taper pin, wherein the drill bit assembly comprises a drill bit handle, a positioning groove and a plurality of second abdicating grooves are formed in the peripheral side face of the drill bit handle, a tool bit is fixed at one end of the drill bit handle, the drill bit frame further comprises a drill bit frame, an extrusion assembly is arranged on the drill bit frame, an installation hole is formed in one surface of the drill bit frame, the drill bit handle is located in the installation hole, a first fixing block is fixed in the installation hole, the first fixing block is located in the positioning groove and is mutually attached to the positioning groove, a plurality of first abdicating grooves are formed in the other surface of the drill bit frame, second fixing blocks are fixed in the first abdicating grooves, and two first cylinders are symmetrically fixed on the two surfaces of the first abdicating grooves;

the extrusion assembly comprises a first triangular plate, a second triangular plate and a sliding block, wherein a plurality of second cylinders are fixed on one surface of the first triangular plate, a third cylinder is fixed on the other end of the second cylinder and is attached to one surface of the second fixed block, the third cylinder sequentially penetrates through the second fixed block and the drill bit frame, one end of the third cylinder is in threaded connection with a nut, one surface of the nut is attached to the drill bit frame, the second cylinder penetrates through the second triangular plate and is in sliding connection with the second triangular plate, a plurality of extrusion blocks are fixed on one surface of the second triangular plate, the sliding block is located in a first abdicating groove, a positioning block is fixed on one surface of the sliding block and is located in a second abdicating groove, a triangular block is fixed on the other surface of the sliding block, one surface of the extrusion blocks is attached to one surface of the triangular block, the two groups of first cylinders respectively penetrate through two sides of the sliding block and are in sliding connection with the sliding block, the cover is equipped with the spring on the first cylinder, spring one end and slider surface are laminated each other, the spring other end and the first inslot wall of stepping down laminate each other, be equipped with electric telescopic handle between first set square and the second set square.

Furthermore, constant head tank and a plurality of second groove of stepping down are circular distribution and two stupexes of constant head tank all seted up the chamfer.

Further, a plurality of screw counter bores are formed in one surface of the drill bit frame, the screw counter bores are distributed in a rectangular shape, the diameter of each screw counter bore is 11 mm, counter bore screws are arranged in the screw counter bores, the counter bore screws penetrate through the screw counter bores and penetrate through the upper surface of the mounting platform, the counter bore screws are in threaded connection with the drill bit frame and the mounting platform, and the diameter of each mounting hole is 40 mm.

Furthermore, a first taper pin hole is formed in one surface of the drill bit frame, a second taper pin hole is formed in the position, corresponding to the first taper pin hole, of the mounting platform, and the taper pin sequentially penetrates through the first taper pin hole and the second taper pin hole.

Further, a positioning key groove is formed in the lower surface of the drill bit frame, the width of the positioning key groove is 12 mm, a positioning key is fixed on the upper surface of the mounting platform, and the positioning key is located in the positioning key groove.

Furthermore, a plurality of the first abdicating grooves are arranged in an annular array at 180 degrees, and the axes of the first abdicating grooves coincide with the axes of the mounting holes.

Furthermore, four edges of the positioning block are provided with chamfers.

Further, electric telescopic handle level setting and with the axle center coincidence of mounting hole, a first set square and a second set square surface all are fixed with the free bearing, electric telescopic handle one end rotates with the free bearing on the first set square to be connected, the electric telescopic handle other end rotates with the free bearing on the second set square to be connected.

The utility model has the advantages that:

the utility model (1) through the arrangement of the drill bit rack, the mounting hole, the first fixing block, the first abdicating groove, the first cylinder and the extrusion component, the slider is extruded to the drill bit handle from the left, the right and the lower three surfaces, and the first fixing block is matched to ensure that the axle center of the drill bit handle and the axle center of the mounting hole are on the same straight line, thereby avoiding the deviation of the drill bit in the processing process and reducing the rejection rate of the workpiece;

(2) meanwhile, the arrangement of the first fixing block and the positioning block plays a role in guiding the installation of the drill bit on one hand, and limits the forward and backward movement of the cutter head on the other hand, so that the drill bit is clamped more stably;

(3) furthermore, the utility model discloses still have simple to operate, the advantage of easy change, only need during the installation handheld drill handle make first fixed block aim at the constant head tank and put into the mounting hole with the drill handle, slider and locating piece will be under electric telescopic handle's effect next, carry out the centre gripping to the drill handle, only need control electric telescopic handle shrink when changing the drill bit, just can remove the extrusion piece to the extrusion of three hornblocks, slider and locating piece will reset under the effect of spring, just can take off the drill bit this moment and change.

Drawings

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

FIG. 2 is a cross-sectional view;

FIG. 3 is a schematic view of the configuration of the drill bit holder and mounting platform when connected;

FIG. 4 is a schematic view of the configuration of the drill bit holder and the slider when coupled;

FIG. 5 is a schematic view of the construction of the drill bit assembly;

FIG. 6 is a schematic view of a press assembly;

FIG. 7 is an enlarged view of part A;

FIG. 8 is a schematic structural view of the first and second triangular plates connected to the electric telescopic rod.

Reference numerals: 1-drill bit frame, 101-mounting hole, 102-first fixing block, 103-first abdicating groove, 104-second fixing block, 105-first cylinder, 2-mounting platform, 201-positioning key, 3-extrusion component, 301-first triangular plate, 302-second cylinder, 303-third cylinder, 304-nut, 305-second triangular plate, 306-extrusion block, 307-electric telescopic rod, 308-sliding block, 309-positioning block, 310-triangular block, 4-drill bit component, 401-drill bit handle, 402-positioning groove, 403-second abdicating groove, 404-cutter bit, 5-counter bore screw, 6-taper pin and 7-spring.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1 to 8, a drill bit holder for a special bearing ring machine comprises a mounting platform 2, a drill bit assembly 4 and a taper pin 6, wherein the drill bit assembly 4 comprises a drill bit handle 401, a positioning groove 402 and a plurality of second abdicating grooves 403 are formed in the peripheral side surface of the drill bit handle 401, a tool bit 404 is fixed at one end of the drill bit handle 401, the drill bit holder 1 further comprises a pressing assembly 3 arranged on the drill bit holder 1, a mounting hole 101 is formed in one surface of the drill bit holder 1, the drill bit handle 401 is located in the mounting hole 101, a first fixing block 102 is fixed in the mounting hole 101, the first fixing block 102 is located in the positioning groove 402 and is attached to the positioning groove 402, a plurality of first abdicating grooves 103 are formed in the other surface of the drill bit holder 1, second fixing blocks 104 are fixed in the plurality of first abdicating grooves 103, and two first cylinders 105 are symmetrically fixed on the two surfaces of the first abdicating grooves 103;

the extrusion component 3 comprises a first triangular plate 301, a second triangular plate 305 and a sliding block 308, wherein a plurality of second cylinders 302 are fixed on one surface of the first triangular plate 301, a third cylinder 303 is fixed on the other end of the second cylinder 302, the end of the third cylinder is attached to one surface of the second fixed block 104, the third cylinder 303 sequentially penetrates through the second fixed block 104 and the drill holder 1, a nut 304 is in threaded connection with one end of the third cylinder 303, one surface of the nut 304 is attached to the drill holder 1, the second cylinder 302 penetrates through the second triangular plate 305 and is in sliding connection with the second triangular plate 305, a plurality of extrusion blocks 306 are fixed on one surface of the second triangular plate 305, the sliding block 308 is positioned in the first abdicating groove 103, a positioning block 309 is fixed on one surface of the sliding block 308, a positioning block 309 is positioned in the second abdicating groove 403, a triangular block 310 is fixed on the other surface of the sliding block 308, one surface of the extrusion blocks 306 is attached to one surface of the triangular block 310, two groups of the first cylinders 105 respectively penetrate through two sides of the sliding block 308 and are in sliding connection with the sliding block 308, the cover is equipped with spring 7 on the first cylinder 105, and a spring 7 one end and slider 308 surface are laminated each other, and the spring 7 other end and the first groove 103 inner wall of stepping down are laminated each other, are equipped with electric telescopic handle 307 between first set square 301 and the second set square 305.

As shown in fig. 5, the positioning groove 402 and the plurality of second receding grooves 403 are distributed in a circular shape, and two edges of the positioning groove 402 are both provided with chamfers, so as to align the first fixing block 102 with the positioning groove 402.

As shown in fig. 3, a surface of the drill holder 1 is provided with a plurality of screw counter bores, the screw counter bores are distributed in a rectangular shape, the diameters of the screw counter bores are 11 mm, counter bore screws 5 are arranged in the screw counter bores, the counter bore screws 5 penetrate through the screw counter bores and penetrate through the upper surface of the mounting platform 2, the counter bore screws 5 are in threaded connection with the drill holder 1 and the mounting platform 2, the drill holder 1 and the mounting platform 2 are conveniently connected through the counter bore screws 5, the diameter of the mounting holes 101 is 40 mm, a first taper pin hole is formed in one surface of the drill holder 1, a second taper pin hole is formed in the mounting platform 2 corresponding to the first taper pin hole, a taper pin 7 sequentially penetrates through the first taper pin hole and the second taper pin hole, the connection stability of the drill holder 1 and the mounting platform 2 is improved, a positioning key groove is formed in the lower surface of the drill holder 1, the width of the positioning key groove is 12 mm, and a positioning key 201 is fixed on the upper surface of the mounting platform 2, the positioning key 201 is located in the positioning key slot, so that the drill bit holder 1 is limited.

As shown in fig. 4, the first abdicating grooves 103 are annularly arrayed in 180 ° and the axes thereof coincide with the axes of the mounting holes 101, so that the sliding blocks 308 can be conveniently pressed against the drill shank 401 from the left, right and lower surfaces, and the first fixing block 102 is matched to ensure that the axes of the drill shank 401 coincide with the axes of the mounting holes 101.

As shown in fig. 7, four edges of the positioning block 309 are provided with chamfers, so that the positioning block 309 can enter the second receding groove 403 conveniently.

As shown in fig. 8, the electric telescopic rod 307 is horizontally disposed and overlapped with the axis of the mounting hole 101, hinge seats are fixed on one surfaces of the first triangle 301 and the second triangle 305, one end of the electric telescopic rod 307 is rotatably connected with the hinge seat on the first triangle 301, and the other end of the electric telescopic rod 307 is rotatably connected with the hinge seat on the second triangle 305.

The working principle is as follows: firstly, the positioning groove 402 is aligned to the first fixing block 102, then the drill bit handle 401 is placed into the mounting hole 101, then the electric telescopic rod 307 is started, the electric telescopic rod 307 pushes the second triangular plate 305 to slide on the second cylinder 302, the sliding second triangular plate 305 drives the extrusion block 306 thereon to extrude the triangular block 310, so that the sliding block 308 slides along the first cylinder 105 and extrudes the drill bit handle 401, meanwhile, the spring 7 is in a compressed state, the positioning block 309 enters the second abdicating groove 403 under the driving of the sliding block 308 to complete the locking of the drill bit handle 401, and the fixing of the drill bit handle 401 is completed.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a bearing ring is drill bit frame for special plane, includes mounting platform (2), drill bit assembly (4) and taper pin (6), drill bit assembly (4) are including drill bit handle (401), constant head tank (402) and a plurality of second groove of stepping down (403) have been seted up to drill bit handle (401) week side, the one end of drill bit handle (401) is fixed with tool bit (404), its characterized in that: the drill bit comprises a drill bit frame (1), wherein an extrusion assembly (3) is arranged on the drill bit frame (1), a mounting hole (101) is formed in one surface of the drill bit frame (1), a drill bit handle (401) is located in the mounting hole (101), a first fixing block (102) is fixed in the mounting hole (101), the first fixing block (102) is located in a positioning groove (402) and is mutually attached to the positioning groove (402), a plurality of first abdicating grooves (103) are formed in the other surface of the drill bit frame (1), second fixing blocks (104) are fixed in the first abdicating grooves (103), and two first cylinders (105) are symmetrically fixed on two surfaces of each first abdicating groove (103);

the extrusion assembly (3) comprises a first triangular plate (301), a second triangular plate (305) and a sliding block (308), a plurality of second cylinders (302) are fixed on one surface of the first triangular plate (301), a third cylinder (303) is fixed at the other end of the second cylinder (302) and is attached to one surface of a second fixed block (104), the third cylinder (303) sequentially penetrates through the second fixed block (104) and the drill bit holder (1), a nut (304) is connected to one end of the third cylinder (303) in a threaded manner, one surface of the nut (304) is attached to the drill bit holder (1), the second cylinder (302) penetrates through the second triangular plate (305) and is in sliding connection with the second triangular plate (305), a plurality of extrusion blocks (306) are fixed on one surface of the second triangular plate (305), the sliding block (308) is located in a first abdicating groove (103), and a positioning block (309) is fixed on one surface of the sliding block (308), locating piece (309) is located second groove of stepping down (403), slider (308) another fixed surface has three hornblocks (310), extrusion piece (306) a surface and three hornblocks (310) a surface laminate each other, and is two sets of slider (308) both sides and slider (308) sliding connection are run through respectively to first cylinder (105), the cover is equipped with spring (7) on first cylinder (105), spring (7) one end and slider (308) a surface laminate each other, the spring (7) other end laminates each other with first groove of stepping down (103) inner wall, be equipped with electric telescopic handle (307) between first set square (301) and second set square (305).

2. The drill bit holder for the special bearing ring machine according to claim 1, wherein: locating slot (402) and a plurality of second groove of stepping down (403) are circular distribution and two stupexes of locating slot (402) all seted up the chamfer.

3. The drill bit holder for the special bearing ring machine according to claim 1, wherein: a plurality of screw counter bores have been seted up on a drill jig frame (1) surface, and is a plurality of the screw counter bore is the rectangle and distributes, the diameter of screw counter bore is 11 mm, and is a plurality of all be equipped with counter bore screw (5) in the screw counter bore, counter bore screw (5) pass the screw counter bore and run through mounting platform (2) upper surface, counter bore screw (5) and drill jig frame (1) and mounting platform (2) threaded connection, the diameter of mounting hole (101) is 40 mm.

4. The drill bit holder for the special bearing ring machine according to claim 1, wherein: the drill bit frame (1) is provided with a first taper pin hole on one surface, the mounting platform (2) is provided with a second taper pin hole corresponding to the first taper pin hole, and the taper pin (6) sequentially penetrates through the first taper pin hole and the second taper pin hole.

5. The drill bit holder for the special bearing ring machine according to claim 1, wherein: the lower surface of the drill bit frame (1) is provided with a positioning key groove, the width of the positioning key groove is 12 mm, the upper surface of the mounting platform (2) is fixedly provided with a positioning key (201), and the positioning key (201) is located in the positioning key groove.

6. The drill bit holder for the special bearing ring machine according to claim 1, wherein: the first abdicating grooves (103) are arranged in an annular array at 180 degrees, and the axes of the first abdicating grooves coincide with the axes of the mounting holes (101).

7. The drill bit holder for the special bearing ring machine according to claim 1, wherein: four edges of the positioning block (309) are provided with chamfers.

8. The drill bit holder for the special bearing ring machine according to claim 1, wherein: electric telescopic handle (307) level setting and with the axle center coincidence of mounting hole (101), a first set square (301) and second set square (305) surface all is fixed with the free bearing, electric telescopic handle (307) one end is rotated with the free bearing on first set square (301) and is connected, electric telescopic handle (307) the other end rotates with the free bearing on second set square (305) and is connected.