CN211992469U

CN211992469U - Honing clamp for machining thin-wall hole

Info

Publication number: CN211992469U
Application number: CN202020473043.2U
Authority: CN
Inventors: 方国祥
Original assignee: Jiangsu NET Diamond Co ltd
Current assignee: Jiangsu NET Diamond Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-11-24
Anticipated expiration: 2030-04-03

Abstract

The utility model relates to the technical field of thin-wall hole machining, and discloses a honing fixture for thin-wall hole machining, which solves the problems that the prior honing fixture is easy to cause workpiece deformation to influence the size and precision when being fixed, and different fixtures are needed to be replaced when workpieces with different specifications are machined, and the cost is increased; through the arrangement of the open-ended fixing sleeve, when the thin-wall workpiece holes of different specifications are subjected to honing processing, the workpieces of different specifications can be fixed by replacing the open-ended fixing sleeve, so that the thin-wall workpieces of different specifications can be processed conveniently, the whole clamp does not need to be replaced, and the cost is effectively saved.

Description

Honing clamp for machining thin-wall hole

Technical Field

The utility model belongs to the technical field of thin wall hole processing, specifically be a honing anchor clamps for thin wall hole processing.

Background

With the continuous updating and development of the manufacturing technology of mechanical parts, the thin-wall parts have the characteristics of light weight and material saving, and are generally applied to various industrial production.

When the workpiece is fixed by the conventional honing fixture, the rigidity of the thin-wall workpiece is low, and the wall thickness of the workpiece is easy to deform under the action of a clamping force, so that the size precision and the shape precision of the workpiece are influenced.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a honing anchor clamps for thin-wall hole processing, effectual solved present honing anchor clamps easily lead to the work piece to warp when fixed and influence size and precision to and process different specification work pieces and need change different anchor clamps, the problem of cost is increased.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a honing anchor clamps for thin wall hole processing, the on-line screen storage device comprises a base, base upper end middle part is connected with the screw rod, the cover is equipped with fastening nut on the screw rod, screw rod upper portion cover is equipped with adjusting nut, the adjusting nut upper end is equipped with the sleeve for the outside cover of screw rod, sleeve outer wall both ends all are connected with the guide cylinder, the inside guide post that pegs graft of guide cylinder, the guide post is connected with the base, the inclined plane has been seted up on sleeve inner wall upper portion, the spout has been seted up to sleeve inner wall lower part bilateral symmetry, the inside slider sliding connection has the layer board through the spout, the layer board is connected with the screw rod upper end, and between layer board and the sleeve for the outside cover of screw.

Preferably, the lower end of the fastening nut and the contact surface of the base are sleeved with a first gasket relative to the upper end of the screw rod.

Preferably, the contact surface of the upper end of the adjusting nut and the sleeve is sleeved with a second gasket relative to the upper end of the screw rod.

Preferably, the lower end of the sleeve is provided with a through hole relative to the penetrating position of the screw rod.

Preferably, the fixed sleeve is of a slotted sleeve-shaped structure, and the inner diameter of the fixed sleeve is the same as the outer diameter of the thin-wall workpiece and is in clearance fit with the thin-wall workpiece.

Preferably, the inclined plane inclination angle is the same as the inclination angle of the outer wall of the elastic taper sleeve.

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

(1) the utility model discloses, through the setting of sleeve, screw rod, adjusting nut, inclined plane, elasticity taper sleeve and fixed cover, through adjusting nut adjusting sleeve upper and lower position when the thin wall work piece is fixed, extrude the fixed cover under the cooperation of inclined plane and elasticity taper sleeve, make the fixed cover by circumference extrusion shrink, and then fix a position and evenly fasten the thin wall work piece, thereby make the thin wall work piece non-deformable lead to size and precision influenced;

(2) through the arrangement of the open-ended fixing sleeve, when the thin-wall workpiece holes of different specifications are subjected to honing processing, the workpieces of different specifications can be fixed by replacing the open-ended fixing sleeve, so that the thin-wall workpieces of different specifications can be processed conveniently, the whole clamp does not need to be replaced, and the cost is effectively saved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

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

FIG. 2 is a schematic structural view of the inclined plane of the present invention;

fig. 3 is a schematic structural view of the fixing sleeve of the present invention;

in the figure: 1. a base; 2. a screw; 3. fastening a nut; 4. adjusting the nut; 5. a sleeve; 6. a guide cylinder; 7. a guide post; 8. a bevel; 9. a chute; 10. a slider; 11. a support plate; 12. a spring; 13. an elastic taper sleeve; 14. fixing a sleeve; 15. a thin-walled workpiece; 16. a first gasket; 17. a second gasket; 18. and a through hole.

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 some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the first embodiment, as shown in fig. 1, fig. 2 and fig. 3, the utility model comprises a base 1, a screw rod 2 is connected to the middle of the upper end of the base 1, a fastening nut 3 is sleeved on the upper end of the screw rod 2 for fixing the screw rod 2 with the base 1, an adjusting nut 4 is sleeved on the upper portion of the screw rod 2 for adjusting the lifting and moving position of the sleeve 5, a sleeve 5 is sleeved on the upper end of the adjusting nut 4 relative to the outside of the screw rod 2, guide cylinders 6 are connected to both ends of the outer wall of the sleeve 5, guide posts 7 are inserted into the guide cylinders 6, the guide posts 7 are connected with the base 1, the sleeve 5 can move vertically by the cooperation of the guide cylinders 6 and the guide posts 7, an inclined plane 8 is arranged on the upper portion of the inner wall of the sleeve 5, sliding grooves 9 are symmetrically arranged on both sides of the lower portion of the inner wall of the sleeve 5, the supporting plate 11 is connected with the upper end of the screw rod 2, a spring 12 is sleeved between the supporting plate 11 and the sleeve 5 relative to the outer portion of the screw rod 2, an elastic taper sleeve 13 is connected to the upper end of the supporting plate 11 and used for being matched with the inclined plane 8 to apply pressure to the fixing sleeve 14, the fixing sleeve 14 is connected to the inner side of the elastic taper sleeve 13 and used for clamping and fixing the thin-wall workpiece 15 from the outer portion, and the thin-wall workpiece 15 is clamped inside the fixing sleeve 14.

In the second embodiment, on the basis of the first embodiment, the first gasket 16 is sleeved on the contact surface between the lower end of the fastening nut 3 and the base 1, which is opposite to the upper end of the screw rod 2, so as to avoid abrasion between the fastening nut 3 and the base 1.

In the third embodiment, on the basis of the first embodiment, the contact surface between the upper end of the adjusting nut 4 and the sleeve 5 is sleeved with the second gasket 17 relative to the upper end of the screw rod 2, so that abrasion between the adjusting nut 4 and the sleeve 5 is avoided.

In the fourth embodiment, on the basis of the first embodiment, the through hole 18 is formed at the lower end of the sleeve 5 opposite to the penetrating position of the screw rod 2, so that the sleeve 5 is conveniently sleeved on the screw rod 2.

In the fifth embodiment, based on the first embodiment, the fixing sleeve 14 has a slotted sleeve-shaped structure, and the inner diameter of the fixing sleeve 14 is the same as the outer diameter of the thin-walled workpiece 15 and is in clearance fit, so that the thin-walled workpiece 15 is prevented from being deformed during machining.

Sixth embodiment, on the basis of first embodiment, the inclined angle of inclined plane 8 is the same with the inclined angle of the outer wall of elastic taper sleeve 13, and the inclined plane 8 is convenient for to extrude the elastic taper sleeve 13.

The working principle is as follows: in use, the fixing sleeve 14 is placed inside the elastic taper sleeve 13, then the thin-walled workpiece 15 to be honed is placed in the fixing sleeve 14, and when the adjusting nut 4 is rotated, the sleeve 5 moves upward, the elastic taper sleeve 13 is pushed under the action of the inclined plane 8 to contract inwards, and then the fixed sleeve 14 is extruded and contracted in the circumferential direction, thereby positioning and uniformly fastening the thin-wall workpiece 15, honing the holes of the thin-wall workpiece 15, after finishing the hole processing of the thin-wall workpiece 15, when the parts are dismounted, the adjusting nut 4 is loosened, the sleeve 5 moves downwards under the action of the spring 12, the elastic taper sleeve 13 automatically displaces and expands at the moment, the thin-wall workpiece 15 and the elastic taper sleeve 13 can be taken out until being loosened, then the steps are repeated to mount a thin-wall workpiece again for processing, the novel thin-wall workpiece 15 with different specifications can be processed by replacing the opened fixed sleeve 14.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A honing fixture for thin-wall hole machining, comprising a base (1), characterized in that: the middle part of the upper end of the base (1) is connected with a screw rod (2), the upper end of the screw rod (2) is sleeved with a fastening nut (3), the upper part of the screw rod (2) is sleeved with an adjusting nut (4), the upper end of the adjusting nut (4) is sleeved with a sleeve (5) relative to the outside of the screw rod (2), both ends of the outer wall of the sleeve (5) are connected with guide cylinders (6), guide posts (7) are inserted into the guide cylinders (6), the guide posts (7) are connected with the base (1), the upper part of the inner wall of the sleeve (5) is provided with an inclined plane (8), sliding chutes (9) are symmetrically arranged on both sides of the lower part of the inner wall of the sleeve (5), the inner part of each sliding chute (9) is connected with a supporting plate (11) through a sliding block (10), the supporting plate (11) is connected with the upper end of the screw rod (2), the inner side of the elastic taper sleeve (13) is connected with a fixed sleeve (14), and a thin-wall workpiece (15) is clamped inside the fixed sleeve (14).

2. A honing jig for thin-wall hole machining according to claim 1, wherein: the lower end of the fastening nut (3) is in contact with the base (1), and a first gasket (16) is sleeved on the upper end of the screw rod (2).

3. A honing jig for thin-wall hole machining according to claim 1, wherein: the contact surface of the upper end of the adjusting nut (4) and the sleeve (5) is sleeved with a second gasket (17) relative to the upper end of the screw rod (2).

4. A honing jig for thin-wall hole machining according to claim 1, wherein: the lower end of the sleeve (5) is provided with a through hole (18) relative to the penetrating position of the screw rod (2).

5. A honing jig for thin-wall hole machining according to claim 1, wherein: the fixed sleeve (14) is of a slotted sleeve-shaped structure, and the inner diameter of the fixed sleeve (14) is the same as the outer diameter of the thin-wall workpiece (15) and is in clearance fit with the thin-wall workpiece.

6. A honing jig for thin-wall hole machining according to claim 1, wherein: the inclined angle of the inclined plane (8) is the same as the inclined angle of the outer wall of the elastic taper sleeve (13).