CN215659027U

CN215659027U - Lathe centrifugal clamp for thin-wall bearing ring

Info

Publication number: CN215659027U
Application number: CN202122278358.9U
Authority: CN
Inventors: 王东硕; 贾超建; 吴振苹; 汪锌园; 王凤杰
Original assignee: Shandong Yongheng Bearing Co ltd
Current assignee: Shandong Yongheng Bearing Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-01-28
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a lathe centrifugal clamp for a thin-wall bearing ring, which comprises a lathe shaft rod, wherein three groups of outer sleeves are sleeved at the middle position outside the lathe shaft rod, inner sleeves are inserted into the inner sides of the outer sleeves in a sliding manner, positioning blocks are arranged at the tops of the inner sleeves, push blocks are arranged at the bottoms of the inner sleeves, steel balls are uniformly arranged in the outer sleeves, springs are sleeved outside the inner sleeves, a gear is arranged on one side outside the lathe shaft rod, and mounting discs are sleeved on two sides, close to the gear, of the outer side of the lathe shaft rod; according to the utility model, through the mutual matching of the clamping block, the gear, the handle, the mounting disc and the incomplete gear, the clamping block can be driven to turn outwards when the shaft lever of the lathe rotates, the bearing ring can be clamped and fixed quickly, the fixing effect on the bearing ring can be kept through the centrifugal force during rotation, the fixing is very convenient, and the fixing stability is higher.

Description

Lathe centrifugal clamp for thin-wall bearing ring

Technical Field

The utility model relates to the technical field of centrifugal clamps, in particular to a lathe centrifugal clamp for a thin-wall bearing ring.

Background

The thin-wall bearing ring is designed for the requirement of narrow space or special performance of a host machine structure, when the ratio of the outer diameter to the inner diameter of the bearing ring is less than or equal to 1.143, the bearing ring is called as a thin-wall bearing, and a centrifugal clamp is a novel clamp, and clamps a workpiece by utilizing the centrifugal force generated by the rotation of a machine tool spindle during cutting, and is usually fixed by using the centrifugal clamp during the production of the thin-wall bearing ring;

but still has more obvious problems: when the existing device is used for fixing the bearing ring, the fixing effect is poor, the fixing is not convenient enough, and when the fixing is performed, the bearing ring is usually positioned by using an elastic fixing mode, but because the stability of elastic connection is poor, when the shaft rod rotates, the bearing ring cannot be clamped by an auxiliary clamp, and the fixing stability of the device is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lathe centrifugal clamp for a thin-wall bearing ring, which aims to solve the existing problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a lathe centrifugal jig for thin wall bearing ring, includes the lathe axostylus axostyle, the intermediate position department cover in the lathe axostylus axostyle outside is equipped with three outer tubes of group, the inboard slip of outer tube is pegged graft and is had interior sleeve pipe, interior sheathed tube top is provided with the locating piece, interior sheathed tube bottom is provided with the ejector pad, the inside steel ball that evenly is provided with of outer tube, interior sheathed tube outside cover is equipped with the spring, one side in the lathe axostylus axostyle outside is provided with the gear, the both sides cover that the gear is close to in the lathe axostylus axostyle outside is equipped with the mounting disc, and is two sets of the outside cover that the mounting disc is close to one side each other is equipped with three groups and gear intermeshing's incomplete gear, three groups the one end of incomplete gear is provided with the clamp splice, and is a set of one side of mounting disc is provided with the handle.

Preferably, the outer side of the clamping block is made of an arc-shaped structure, and a rubber pad is arranged on the outer side of the clamping block.

Preferably, guide rods are arranged at one end, close to a lathe shaft rod, of one side of each of the three groups of outer sleeves, pull rings are sleeved on the outer sides of the three groups of guide rods, and pull ropes connected with the pull rings are arranged at one side of the three groups of positioning blocks.

Preferably, the top and the bottom of the spring are respectively connected with the positioning block and the outer sleeve.

Preferably, two sets of the mounting disc is close to one side each other and keeps away from the outside of incomplete gear and is provided with three group's connecting plates jointly, and is two sets of the inboard cover of mounting disc is equipped with the bearing, and the inboard and the lathe shaft interconnect of bearing.

Preferably, the outer side of the handle is sleeved with a protective pad.

Compared with the prior art, the utility model has the beneficial effects that: the lathe centrifugal clamp for the thin-wall bearing ring is characterized in that through the mutual matching of the clamping block, the gear, the handle, the mounting disc and the incomplete gear, when the lathe shaft lever rotates, the clamping block can be driven to turn outwards to quickly clamp and fix the bearing ring, the fixing effect of the bearing ring can be kept through the centrifugal force during rotation, the fixing is very convenient, the fixing stability is higher, meanwhile, the bearing can be quickly positioned through the matching of the outer sleeve, the positioning block, the steel ball, the inner sleeve, the spring and the push block, the steel ball can be driven to move under the action of centrifugal force in the rotating process of the lathe shaft lever, provides a thrust to the push block to ensure that the positioning block is tightly attached to the bearing ring, prevents the positioning block from shaking due to the elastic connection of the spring, make the locating piece can assist the centre gripping to the bearing ring at the lathe axostylus axostyle rotation in-process, further promoted the centre gripping stability of device.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a first side cross-sectional view of the present invention;

FIG. 3 is a second side cross-sectional view of the present invention;

fig. 4 is a side view of the present invention.

In the figure: 1. a lathe shaft lever; 2. an outer sleeve; 3. a clamping block; 4. a gear; 5. a grip; 6. mounting a disc; 7. an incomplete gear; 8. positioning blocks; 9. a steel ball; 10. an inner sleeve; 11. a spring; 12. and (7) pushing the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a lathe centrifugal clamp for a thin-wall bearing ring comprises a lathe shaft rod 1, three groups of outer sleeves 2 are sleeved at the middle position of the outer side of the lathe shaft rod 1, inner sleeves 10 are inserted in the inner sides of the outer sleeves 2 in a sliding mode, positioning blocks 8 are arranged at the top portions of the inner sleeves 10, push blocks 12 are arranged at the bottom portions of the inner sleeves 10, steel balls 9 are uniformly arranged inside the outer sleeves 2, the steel balls 9 move outwards through centrifugal force generated when the outer sleeves 2 rotate to provide thrust for the push blocks 12, springs 11 are sleeved on the outer sides of the inner sleeves 10, gears 4 are arranged on one sides of the outer sides of the lathe shaft rod 1, mounting discs 6 are sleeved on two sides, close to the gears 4, of the two groups of mounting discs 6, three groups of incomplete gears 7 meshed with the gears 4 are sleeved on the outer sides, clamping blocks 3 are arranged at one ends of the three groups of incomplete gears 7, and a handle 5 is arranged on one side of one group of the mounting discs 6, the mounting plate 6 can be manually restrained.

Further, the outside of clamp splice 3 is made by the arc structure, and the outside of clamp splice 3 is provided with the rubber pad, promotes the centre gripping effect.

Further, the one end that 2 one side of three outer tube of group is close to lathe axostylus axostyle 1 is provided with the guide arm, and the common cover in the outside of three guide arms of group is equipped with the pull ring, and one side of three group locating piece 8 is provided with the stay cord with pull ring interconnect, and the locating piece 8 of three groups of simultaneous control is removed, is convenient for fix a position the bearing ring.

Furthermore, the top and the bottom of the spring 11 are respectively connected with the positioning block 8 and the outer sleeve 2, so as to push the positioning block 8 to position the bearing ring.

Further, two sets of mounting discs 6 are close to one side each other and are kept away from the outside of incomplete gear 7 and be provided with three group's connecting plates jointly, connect two sets of mounting discs 6 fixedly, and the inboard cover of two sets of mounting discs 6 is equipped with the bearing, and the inboard and the 1 interconnect of lathe axostylus axostyle of bearing for the back is fixed to the centre gripping of clamp splice 3 pair bearing ring, and mounting disc 6 follows lathe axostylus axostyle 1 and rotates.

Furthermore, the outside cover of handle 5 is equipped with the protection pad, can reduce the injury that causes when handing handle 5 through the protection pad.

The working principle is as follows: when the device is used, the pull ring is pulled to move to one side, the positioning block 8 can be pulled through the pull ring under the guidance of the guide rod to slide towards the outer sleeve 2, the spring 11 is extruded to be compressed, after the bearing ring is placed on the outer side of the device, the pull ring is loosened, the positioning block 8 can be pushed to reset through the elastic restoring force of the spring 11, and the bearing ring is clamped and positioned from the inner side of the bearing ring;

when the lathe shaft lever 1 is controlled to rotate, a worker holds the handle 5 to limit the mounting disc 6, the mounting disc 6 is connected with the lathe shaft lever 1 through a bearing, so that when the lathe shaft lever 1 drives the gear 4 to rotate, the gear 4 can drive the incomplete gear 7 which is meshed with each other to rotate, the mounting disc 6 is turned outwards, the outer side of the mounting disc 6 is attached to and locked with the inner wall of the bearing ring to be fixed, the bearing ring can be fixed through centrifugal force during rotation, the handle 5 is loosened while the bearing ring is fixed, at the moment, the mounting disc 6 can be fixed by clamping of the clamping blocks 3 on the bearing ring to rotate along with the lathe shaft lever 1, the damage caused when the handle 5 is held by hands can be reduced through the protective pads, when the lathe shaft lever 1 rotates, the outer sleeve 2 can be driven to rotate, the steel balls 9 in the outer sleeve 2 are moved outwards and attached to the push blocks 12 through the centrifugal force during rotation of the outer sleeve 2, provide a thrust to ejector pad 12, make the tight and bearing ring laminating of locating piece 8, appear rocking when preventing that locating piece 8 from rotating, can assist the centre gripping to the bearing ring, stability when promoting the fixing.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, 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 invention, it should be noted that the terms "connected" and "connected" are to be interpreted broadly, e.g., as either a fixed connection or a removable connection, unless expressly stated or limited otherwise; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a thin wall bearing ring is with lathe centrifugal jig, includes lathe axostylus axostyle (1), its characterized in that: the lathe spindle is characterized in that three groups of outer sleeves (2) are sleeved at the middle position of the outer side of the lathe spindle (1), an inner sleeve (10) is inserted into the inner side of each outer sleeve (2) in a sliding mode, a positioning block (8) is arranged at the top of each inner sleeve (10), a push block (12) is arranged at the bottom of each inner sleeve (10), steel balls (9) are uniformly arranged in each outer sleeve (2), springs (11) are sleeved on the outer side of each inner sleeve (10), gears (4) are arranged on one side of the outer side of the lathe spindle (1), mounting discs (6) are sleeved on two sides of the outer side of the lathe spindle (1) close to the gears (4), three groups of incomplete gears (7) meshed with the gears (4) are sleeved on the outer side of one of the two groups of mounting discs (6) close to each other, and clamping blocks (3) are arranged at one ends of the three groups of the incomplete gears (7), and one side of the group of mounting discs (6) is provided with a handle (5).

2. The lathe centrifugal jig for the thin-walled bearing ring according to claim 1, characterized in that: the outer side of the clamping block (3) is made of an arc-shaped structure, and a rubber pad is arranged on the outer side of the clamping block (3).

3. The lathe centrifugal jig for the thin-walled bearing ring according to claim 1, characterized in that: guide rods are arranged at one end, close to the lathe shaft lever (1), of one side of the three groups of outer sleeves (2), pull rings are sleeved on the outer sides of the three groups of guide rods, and pull ropes connected with the pull rings are arranged at one side of the three groups of positioning blocks (8).

4. The lathe centrifugal jig for the thin-walled bearing ring according to claim 1, characterized in that: the top and the bottom of the spring (11) are respectively connected with the positioning block (8) and the outer sleeve (2).

5. The lathe centrifugal jig for the thin-walled bearing ring according to claim 1, characterized in that: the two groups of mounting discs (6) are mutually close to one side, the outer side of one side, far away from the incomplete gear (7), is provided with three groups of connecting plates, the inner sides of the two groups of mounting discs (6) are sleeved with bearings, and the inner sides of the bearings are mutually connected with the lathe shaft lever (1).

6. The lathe centrifugal jig for the thin-walled bearing ring according to claim 1, characterized in that: the outer side of the handle (5) is sleeved with a protective pad.