CN212578108U - Lathe is with anchor clamps of processing bearing chamfer - Google Patents

Abstract

The utility model relates to a bearing processing frock field discloses a lathe is with anchor clamps of processing bearing chamfer, include the position sleeve and connect in the centrifugal clamping component of position sleeve one end, the position sleeve is that it connects centrifugal clamping component one end and is equipped with the ladder counter bore that is used for placing the bearing inner race, centrifugal clamping component includes the clutch collar, rotate the centrifugal hammer of connecting on the position sleeve, offer the groove of dodging that is used for pin joint centrifugal hammer on the clutch collar side, the centrifugal hammer is equipped with a plurality ofly and follows the even interval distribution of position sleeve circumference, the centrifugal hammer is including being used for pressing from both sides tight butt section, be located and dodge the inslot and rotate the counter weight section of connecting the rotation section on the position sleeve and being used for the counter weight, the counter weight section is located the clutch collar outside, the butt section is located.

Description

Lathe is with anchor clamps of processing bearing chamfer

Technical Field

The utility model relates to a bearing frock processing field especially relates to a lathe is with anchor clamps of processing bearing chamfer.

Background

The lathe is as the important processing equipment in the bearing processing, and the bearing outer lane or inner circle can be held to the special anchor clamps in addition on the lathe main shaft in the reality production mostly, adopts different frocks to carry out the centre gripping to bearing outer lane or inner circle according to different processes, and one of them process is for carrying out the chamfer to bearing outer lane or inner circle, adopts three-jaw chuck to carry out the clamping to bearing outer lane or inner circle in the current, and three-jaw chuck clamping is inefficient, leads to the problem that whole machining efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the shortcoming that passes through three-jaw chuck clamping work efficiency low to the bearing inner race among the prior art, provide a lathe is with anchor clamps of processing bearing chamfer.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve: the utility model provides a lathe is with anchor clamps of processing bearing chamfer, include the position sleeve and connect in the centrifugal clamping component of position sleeve one end, the position sleeve is that it connects centrifugal clamping component one end and is equipped with the ladder counter bore that is used for placing the bearing inner race of tubulose, centrifugal clamping component includes the lock sleeve, rotate the centrifugal hammer of connecting on the position sleeve, offer the groove of dodging that is used for the centrifugal hammer of pin joint on the lock sleeve side, the centrifugal hammer is equipped with a plurality ofly and follows the even interval distribution of position sleeve circumference, the centrifugal hammer is including being used for pressing from both sides tight butt section, be located and dodge the inslot and rotate the counter weight section of connecting the rotation section on the position sleeve and being used for the counter weight, the counter weight section is located the.

Adopt above-mentioned scheme, can be with on the three-jaw chuck of position sleeve centre gripping and lathe, the shoulder hole of position sleeve can be used to the preliminary location of bearing inner race or outer lane lateral surface, its counter weight section part of centrifugal hammer is located the clamping sleeve outside, when the lathe spindle rotates, the distribution section part of ordering about the centrifugal hammer is and keeps away from lathe spindle the central axis direction and removes, the butt section part removes towards lathe spindle the central axis direction, when lathe spindle stall, the butt section of centrifugal hammer does not exert the clamping force to the bearing outer lane, thereby be convenient for the bearing take out in the position sleeve, and the work efficiency is greatly accelerated.

Preferably, the clamping sleeve comprises a fixed sleeve and an annular cover body connected to the fixed sleeve, the avoiding groove is formed in one end of the fixed sleeve, and the cover body and the fixed sleeve are connected on one side of the avoiding groove.

By adopting the scheme, the cover body has the effect of being convenient for hiding the avoiding groove, the avoiding groove is formed on one side of the fixing sleeve, and the avoiding groove is convenient to process.

Preferably, the inner diameter of the fixing sleeve is in a step shape and comprises a large diameter and a small diameter, the large diameter of the fixing sleeve is positioned at one end far away from the avoiding groove, the small diameter of the fixing sleeve is larger than the inner diameter of the positioning sleeve, a clamping groove is concavely arranged on the outer side surface of the positioning sleeve along the axis direction, and a clamping block matched with the clamping groove is convexly arranged on the large diameter of the fixing sleeve.

By adopting the scheme, the clamping groove is matched with the clamping block to be used for circumferential limiting of the fixing sleeve.

Preferably, the fixed sleeve is connected with the cover body, the avoiding groove is not formed in the fixed sleeve, the clamping column is arranged in a protruding mode, and the cover body is provided with a clamping hole matched with the clamping column.

By adopting the scheme, the matching of the clamping column and the clamping hole is convenient for ensuring the concentricity of the cover body and the fixed sleeve.

Preferably, the stepped hole in the positioning sleeve is in transition fit with the bearing outer ring, and the annular cover body inner ring is in transition fit with the bearing outer ring.

By adopting the scheme, the transition fit has the advantage of better coaxiality and convenience in disassembly.

Preferably, the centrifugal hammer is pivoted with the clamping sleeve through a pivoting shaft, the pivoting shaft comprises a pivoting section I pivoted with the bottom of the avoiding groove, a limiting section with the diameter larger than that of the pivoting section I and a pivoting section II pivoted with the cover body, the rotating section is rotatably connected to the pivoting section I, and the pivoting section II penetrates through the cover body and then is in threaded connection with a nut.

By adopting the scheme, the nut can be used for fixing the cover body, and the limiting section can be used for limiting the excessive movement of the rotating section.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect: the ladder counter bore that is located the position of locating sleeve can be used to preliminary location bearing inner race, the ladder counter bore is transition fit with the bearing inner race, lid inner circle also is transition fit with the bearing inner race, place the bearing inner race in this frock clamp and bearing chamfer and all can dismantle fast when having taken off the bearing inner race, the work efficiency has been increased, lathe spindle is when high-speed rotation, the counter weight portion of centrifugal hammer is to keep away from lathe spindle central point and puts the removal under the effect of centrifugal force, it presss from both sides tightly with the bearing inner race to order about the butt section, evenly distributed's centrifugal hammer has guaranteed that all there is the clamp force the same on all directions, when lathe spindle stall, be convenient for take off the bearing that the chamfer was accomplished, because the bearing does not need higher precision, through centrifugal hammer clamp force, can satisfy the. The working efficiency is greatly improved.

Drawings

FIG. 1 is a schematic view of a lathe mounting position of a jig for machining bearing chamfers on a lathe;

FIG. 2 is a schematic structural view of a fixture for machining a bearing chamfer for a lathe;

FIG. 3 is an exploded view of a lathe fixture for machining bearing chamfers;

fig. 4 is a schematic view of a pivot structure.

The names of the parts indicated by the numerical references in the above figures are as follows: 1. a positioning sleeve; 2. a stepped counterbore; 3. a clamping sleeve; 4. a centrifugal hammer; 5. fixing a sleeve; 6. a cover body; 7. a clamping block; 8. a card slot; 9. an avoidance groove; 10. clamping the column; 11. a clamping hole; 12. an abutment section; 13. a rotating section; 14. a counterweight segment; 15. a pivot shaft; 16. a first pivoting section; 17. a limiting section; 18. a pivoting section II; 19. and (4) a nut.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

A lathe is used for processing the clamp of the bearing chamfer, refer to fig. 1 to fig. 3 at first, including locating bush 1 and connecting to the centrifugal clamping assembly of one end of locating bush 1, the locating bush 1 is cylindrical and one end has stepped counter bores 2, the stepped counter bores 2 include major diameter and path, the locating bush 1 keeps away from the stepped counter bores 2 one end and clamps with the three-jaw chuck of the lathe, its outer diametral one end of outer race of the bearing is blocked in the stepped counter bores 2, the step surface that the difference of the diameters of major diameter and path of the stepped counter bores 2 forms is with one end of outer race of the bearing to support, the centrifugal clamping assembly includes the clamping bush 3 and rotates and connects to the centrifugal hammer 4 on the locating bush 1, the clamping bush 3 includes the fixed sleeve 5 and connects to the annular body of the cover 6 of one end of the fixed sleeve 5, the fixed sleeve 5 is annular its inner diameter and presents the major diameter part to cover on the lateral surface, the large diameter part of the inner diameter of the fixed sleeve 5 is convexly provided with a plurality of clamping blocks 7 along the axial direction, the plurality of clamping blocks 7 are uniformly distributed on the large diameter part of the inner diameter of the fixed sleeve 5 at intervals in the circumferential direction, the outer side surface of the positioning sleeve 1 is concavely provided with clamping grooves 8 along the axial direction, the clamping grooves 8 are clamped with the clamping blocks 7, the fixing sleeve 5 is provided with a threaded hole avoiding the clamping blocks and is internally connected with a set screw, the set screw can be used for enhancing the connecting strength of the fixed sleeve and the positioning sleeve, one end of the fixed sleeve 5 far away from the positioning sleeve 1 is provided with a plurality of avoiding grooves 9, six avoiding grooves 9 are arranged in the embodiment, but six or more than three avoiding grooves 9 can be arranged, the cover body 6 is in a ring shape and is connected with one end of the fixing sleeve 5 provided with the avoiding groove 9, the clamping column 10 is convexly provided with a clamping column 10, and the clamping column 10 is convexly, the cover body 6 is provided with a clamping hole 11 matched with a clamping column 10, each avoiding groove 9 is pivoted with a centrifugal hammer 4, each centrifugal hammer 4 comprises a butting section 12 for clamping the outer diameter surface of the outer ring of the bearing, a rotating section 13 positioned in each avoiding groove 9 and rotationally connected to the positioning sleeve 1 and a counterweight section 14 for counterweight, the counterweight section 14 is positioned at the outer side of the clamping sleeve 3, the butting section 12 faces the inner side of the clamping sleeve 3, the counterweight section 14 is heavier than the butting section 12, the rotating section 13 is pivoted with the clamping sleeve 3 through a pivoting shaft 15, the pivoting shaft 15 comprises a pivoting section I16 pivoted with the bottom of the avoiding groove 9, a limiting section 17 with the diameter larger than the pivoting section I16 and a pivoting section II 18 pivoted with the cover body 6, the rotating section 13 is rotationally connected to the pivoting section I16, the pivoting section II 18 penetrates through the cover body 6 and is in threaded connection with a nut 19, the cover body 6 is clamped with the fixing sleeve 5 after being matched with the clamping hole 11 through the clamping column 10, the concentricity of the cover body 6 and the fixed sleeve 5 is ensured, and the cover body 6 is in a circular ring shape and can be in transition fit with the outer circle part of the bearing outer ring together with the annular inner ring.

Claims (6)

1. The fixture for machining the bearing chamfer for the lathe is characterized by comprising a positioning sleeve (1) and a centrifugal clamping assembly connected to one end of the positioning sleeve (1), wherein the positioning sleeve (1) is tubular, one end of the positioning sleeve (1) connected with the centrifugal clamping assembly is provided with a stepped counter bore (2) used for placing a bearing outer ring, the centrifugal clamping assembly comprises a clamping sleeve (3) and centrifugal hammers (4) rotatably connected to the positioning sleeve (1), the side face of the clamping sleeve (3) is provided with avoidance grooves (9) used for pivoting the centrifugal hammers (4), the centrifugal hammers (4) are provided with a plurality of eccentric hammer segments and are uniformly distributed at intervals along the circumferential direction of the positioning sleeve (1), each centrifugal hammer (4) comprises a butting segment (12) used for clamping, a rotating segment (13) positioned in the avoidance grooves (9) and rotatably connected to the positioning sleeve (1) and a counterweight segment (14) used for balancing, and the counterweight segment (14) is positioned outside the clamping sleeve, the abutting section (12) faces to the inner side of the clamping sleeve (3).

2. The fixture for machining the bearing chamfer for the lathe as claimed in claim 1, wherein the clamping sleeve (3) comprises a fixed sleeve (5) and a ring-shaped cover body (6) connected to the fixed sleeve (5), the avoiding groove (9) is formed at one end of the fixed sleeve (5), and the cover body (6) is connected with one side of the fixed sleeve (5) where the avoiding groove (9) is formed.

3. The fixture for machining the bearing chamfer for the lathe as claimed in claim 2, wherein the inner diameter of the fixing sleeve (5) is stepped and comprises a major diameter and a minor diameter, the major diameter of the fixing sleeve (5) is located at the end far away from the avoiding groove (9), the minor diameter of the fixing sleeve (5) is larger than the inner diameter of the positioning sleeve (1), the outer side surface of the positioning sleeve (1) is concavely provided with a clamping groove (8) along the axial direction, and the major diameter of the fixing sleeve (5) is convexly provided with a clamping block (7) matched with the clamping groove (8).

4. The fixture for machining the bearing chamfer as claimed in claim 2, wherein the fixing sleeve (5) is provided with a locking post (10) at one end connected with the cover body (6) and at the part which is not provided with the avoidance groove (9), and the cover body (6) is provided with a locking hole (11) matched with the locking post (10).

5. The clamp for machining the bearing chamfer for the lathe according to claim 2, wherein the stepped hole in the positioning sleeve (1) is in transition fit with the outer ring of the bearing, and the inner ring of the annular cover body (6) is in transition fit with the outer ring of the bearing.

6. The lathe bearing chamfer machining clamp as claimed in claim 2, wherein the centrifugal hammer (4) is pivotally connected with the clamping sleeve (3) through a pivoting shaft (15), the pivoting shaft (15) comprises a first pivoting section (16) pivotally connected with the bottom of the avoiding groove (9), a limiting section (17) with a diameter larger than that of the first pivoting section (16) and a second pivoting section (18) pivotally connected with the cover body (6), the rotating section (13) is rotatably connected to the first pivoting section (16), and the second pivoting section (18) penetrates through the cover body (6) and is in threaded connection with a nut (19).

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