CN217550960U - Bearing mounting and closing tool for radial drilling machine - Google Patents

Abstract

A bearing mounting and closing tool for a radial drilling machine belongs to the technical field of machining. The cutter head is integrally formed at the large end of the Morse taper shank, the end face of the cutter head is provided with an integrally formed boss which is coaxially arranged, and the middle part of the end face of the boss is provided with an integrally formed positioning mandrel which is coaxially arranged. The middle part of the bottom plate of the frame body is provided with a jack matched with the positioning mandrel, the outer wall of the frame body is provided with an integrally formed mounting table coaxially arranged, the frame body is sleeved outside the boss and is connected with the boss, and the outer end face of the frame body is provided with a steel ball. And a wear-resistant gasket is arranged between the frame body and the end face of the boss. The utility model discloses accomplished and need not carry out the adjustment of part radial position and can accomplish the work of binding off fast when binding off. The operation is convenient, the occupied time of labor is reduced, the labor cost is reduced, the processing efficiency is improved, and the processing quality is stable; the device can be used for rolling and closing the bearings of the same type, and has stronger universality.

Description

Bearing mounting and closing tool for radial drilling machine

Technical Field

The utility model relates to a bearing installation binding off instrument for radial drill belongs to machining technical field.

Background

In order to prevent the bearing from falling off when the bearing is mounted on the machine part, it is generally necessary to perform a closing process. At present, a lathe is generally adopted for roll extrusion closing-up processing, but the inner diameter of a closing-up bearing needs to be aligned when each part is processed, and meanwhile, radial fine adjustment is carried out on a closing-up tool of the lathe, so that the processing efficiency is lower.

Therefore, a necking tool with simple structure, convenient operation and high processing efficiency is needed.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists among the background art, the utility model provides a bearing installation binding off instrument for radial drill.

The purpose is achieved, the utility model adopts the following technical proposal: a bearing mounting and necking tool for a radial drilling machine comprises a cutter body, a steel ball retainer and steel balls; the using end of the cutter body is provided with a steel ball retainer, and steel balls are arranged in the steel ball retainer.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses have the location mandrel, the part bearing internal diameter of its size and the installation of binding off has inseparable cooperation relation, only needs to penetrate the bearing internal diameter hole with the location mandrel, and the ball can aim at the slot of part terminal surface by oneself promptly, and radial drill drives the utility model discloses roll extrusion can be accomplished in the rotation, accomplished and need not carry out the adjustment of part radial position and can accomplish the work of binding off fast when binding off. The operation is convenient, the occupied time of labor is reduced, the labor cost is reduced, the processing efficiency is improved, and the processing quality is stable; the device can be used for rolling and closing the bearings of the same type, and has stronger universality.

Drawings

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

FIG. 2 is a bottom view of FIG. 1;

FIG. 3 is a schematic view of the structure of the cutter body;

FIG. 4 isbase:Sub>A cross-sectional view A-A of FIG. 3;

FIG. 5 is a top view of FIG. 3;

FIG. 6 is a schematic structural view of the steel ball retainer;

FIG. 7 is a cross-sectional view B-B of FIG. 6;

FIG. 8 is a cross-sectional view C-C of FIG. 6;

FIG. 9 is an enlarged view at E of FIG. 8;

FIG. 10 is a schematic structural view of a locating pin;

FIG. 11 is a schematic view of a wear washer construction;

fig. 12 is a cross-sectional view taken along line D-D of fig. 11.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

A bearing mounting and necking tool for a radial drilling machine comprises a cutter body 2, a steel ball retainer 3 and steel balls 6; the using end of the cutter body 2 is provided with a steel ball retainer 3, and steel balls 6 are arranged in the steel ball retainer 3.

The cutter body 2 comprises a Morse conical handle 7 and a cutter head 8, wherein the cutter head 8 is integrally formed at the large end of the Morse conical handle 7, an integrally formed boss 9 which is coaxially arranged is arranged in the middle of the end face of the cutter head 8, an integrally formed positioning mandrel 10 which is coaxially arranged is arranged in the middle of the end face of the boss 9, a positioning hole I11 and a plurality of threaded holes I12 are formed in the end face of the cutter head 8 along the circumferential annular boss 9, and the threaded holes I12 are uniformly distributed.

The steel ball retainer 3 comprises a frame body 13 and a mounting table 14, wherein the frame body 13 is of a U-shaped structure, the middle of the bottom plate of the frame body 13 is provided with an inserting hole 20 matched with the positioning mandrel 10, the outer wall of the frame body 13 is provided with the mounting table 14 which is integrally formed and coaxially arranged, the mounting table 14 is provided with a positioning hole II 15 and a plurality of threaded holes II 16 along the circumferential direction of the mounting table 14, the positioning hole II 15 corresponds to the positioning hole I11, the threaded holes II 16 correspond to the threaded holes I12 one by one, the frame body 13 is sleeved on the outer side of the boss 9, and the steel ball retainer 3 is connected with the cutter body 2 in a mode that the positioning pin 1 is correspondingly inserted into the positioning hole I11 and the positioning hole II 15 and the bolt 4 is screwed into the corresponding threaded hole I12 and the threaded hole II 16; the outer end face of the frame body 13 is provided with a plurality of steel ball position locking holes 19, a steel ball 6 is placed in each steel ball position locking hole 19, the outlet of the outer end face of each steel ball position locking hole 19 is of a taper tightening opening structure, the steel ball position locking structure is used for locking the steel ball position and ensuring that the steel ball cannot fall off, and the steel ball can rotate in the retainer.

And a wear-resistant gasket 5 is arranged between the end faces of the frame body 13 and the boss 9, the wear-resistant gasket is made of GC15 bearing steel, and is subjected to heat treatment to HRC58-63 for isolating the steel ball from the cutter bar and preventing the steel ball from rotating to wear the base body of the cutter bar.

Use the utility model discloses the time, the mo shi conical handle 7 and the radial drill main shaft accordant connection of cutter body 2, the relative bench drill main shaft automatic centering of mo shi conical handle receives the influence of interact power, and mo shi conical handle is in close contact with locking fixed state with the lathe main shaft inner conical surface at the roll extrusion binding off in-process. The tool bit 8 of the cutter body 2 is controlled to move downwards by the radial drilling machine, the positioning mandrel 10 of the cutter body 2 penetrates through an inner diameter hole of a bearing 18 arranged on a part 17, so that the steel balls 6 are in contact with a groove on the end face of the part 18 and reach a certain rolling depth, a gap of 0.01-0.025mm exists between the diameter of the positioning mandrel 10 of the cutter body 2 and the size of the inner diameter hole of the arranged bearing, and the cutter body positioning mandrel can penetrate through the inner diameter hole of the arranged bearing of the part and is in close fit with the inner diameter hole. The main shaft of the radial drilling machine rotates to drive the closing-in tool to rotate, the steel ball 6 can rotate relative to the steel ball retainer 3 and the wear-resistant gasket 5, and the closing-in tool rotates for a circle to complete the closing-in installation of the bearing.

The utility model discloses a binding off method that is used for radial drill's bearing installation binding off instrument, the method includes following step:

s1: inserting the Morse taper shank 7 of the cutter body 2 into a spindle taper sleeve of the radial drilling machine, and attaching the taper surface of the Morse taper shank 7 to the spindle taper sleeve surface of the radial drilling machine;

s2: placing the part to be closed and the bearing assembly body on a workbench of a radial drilling machine and arranging the part to be closed and the bearing assembly body correspondingly below the cutter body 2 of the utility model;

s3: a main shaft operating lever of the radial drilling machine drives a cutter body 2 to descend, so that a positioning core shaft 10 penetrates into an inner diameter hole of a bearing 18 on a part 17;

s4: the cylindrical aluminum block is tightly pressed on a workbench of the radial drilling machine, so that the outer edge of the part is in contact with the outer diameter of the aluminum block for limiting, and accidental autorotation during rolling is prevented;

s5: starting the main shaft of the radial drilling machine to enable the main shaft to rotate at a low rotating speed of about 10-20 revolutions per minute;

s6: the radial drilling machine spindle control lever drives the cutter body 2 to descend again, so that the steel balls 6 are in contact with the grooves on the end faces of the parts and reach the specified rolling depth;

s7: repeating the step S6 for 2-3 times in total to enable one side of the groove part to generate plastic deformation to be attached to the bearing outer ring;

s8: the radial drill main shaft operating lever drives the cutter body 2 to ascend, and machining is completed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that the invention can be implemented in other forms without deviating from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (3)

1. The utility model provides a bearing installation binding off instrument for radial drill which characterized in that: comprises a cutter body (2), a steel ball retainer (3) and steel balls (6); the utility model discloses a cutter head, including cutter body (2), tip, steel ball holder (3), cutter head (8), cutter head (2) are equipped with steel ball holder (3), be equipped with steel ball (6) in steel ball holder (3), cutter body (2) are including morse circular cone handle (7) and tool bit (8), tool bit (8) integrated into one piece sets up the main aspects department at morse circular cone handle (7), and the middle part of tool bit (8) terminal surface is equipped with boss (9) of integrated into one piece's coaxial setting, the middle part of boss (9) terminal surface is equipped with integrated into one piece's coaxial setting's positioning mandrel (10) to the terminal surface of tool bit (8) is equipped with locating hole (11) and a plurality of screw hole (12), a plurality of screw hole (12) equipartitions set up.

2. The bearing mounting setback tool for a radial drill press of claim 1, wherein: the steel ball retainer (3) comprises a frame body (13) and a mounting table (14), wherein the frame body (13) is of a U-shaped structure, a jack (20) matched with the positioning mandrel (10) is arranged in the middle of a bottom plate of the frame body (13), the mounting table (14) which is coaxially formed and is integrally formed is arranged on the outer wall of the frame body (13), the mounting table (14) is provided with a positioning hole II (15) and a plurality of threaded holes II (16), the positioning hole II (15) is arranged corresponding to the positioning hole I (11), the threaded holes II (16) and the threaded holes I (12) are arranged in a one-to-one correspondence manner, the frame body (13) is sleeved on the outer side of the boss (9), and the steel ball retainer (3) and the cutter body (2) are connected in a manner that the positioning pin (1) is correspondingly inserted into the positioning hole I (11) and the positioning hole II (15) and the bolt (4) is screwed into the corresponding threaded hole I (12) and the threaded hole II (16); the outer end face of the frame body (13) is provided with a plurality of steel balls (6).

3. The bearing mounting port closing tool for the radial drilling machine according to claim 2, wherein: and a wear-resistant gasket (5) is arranged between the frame body (13) and the end surface of the boss (9).

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