CN217703085U

CN217703085U - Mechanical end face supporting clamp

Info

Publication number: CN217703085U
Application number: CN202221376359.5U
Authority: CN
Inventors: 颜玲华; 杨林洁; 施灵峰; 颜德忠; 谢校军
Original assignee: WENLING MINGHUA GEAR CO Ltd
Current assignee: WENLING MINGHUA GEAR CO Ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-11-01
Anticipated expiration: 2032-06-02

Abstract

The utility model belongs to the technical field of dish class work piece holder, refer in particular to a mechanical type terminal surface supports anchor clamps, including the anchor clamps body of rod, the clamp plate, be equipped with the floating support body on the anchor clamps body of rod, the translation chamber has been seted up on the anchor clamps body of rod, and the translation intracavity rolls there is the translation steel ball, the circumference distributes on the floating support body has a plurality of radial traveller that can the radial slip, and the inner of radial traveller stretches into the translation chamber and supports and lean on the translation steel ball, vertical sliding connection has the support traveller with radial traveller one-to-one on the floating support body, the top of supporting the traveller supports and leans on the work piece bottom surface, the outer end of bottom and radial traveller cooperatees. The utility model discloses a mechanical balance's mode, by the cooperation structure that supports traveller, radial traveller and translation steel ball for can balance the bottom surface of work piece and float, with the realization to the error compensation of out of plumb between work piece bottom surface and the hole, avoid the emergence of location phenomenon, its overall structure is simple reliable, the cost is lower, the later maintenance of being convenient for.

Description

Mechanical end face supporting clamp

The technical field is as follows:

the utility model belongs to the technical field of dish class work piece holder, refer in particular to a mechanical type terminal surface supports anchor clamps.

The background art comprises the following steps:

at present, in the machining process of a disc sleeve type gear and an engineering mechanical gear, the end face of a workpiece is not perpendicular to an inner hole of the workpiece due to the problem of process machining precision, and the end face positioning balance effect of the workpiece is poor. Therefore, when the parts are machined, the end surfaces of the parts are positioned in a hydraulic balance mode, but the parts have the problems of complex structure, inconvenient maintenance, high cost and the like.

The invention content is as follows:

the utility model aims at providing a mechanical type terminal surface supports anchor clamps, it adopts mechanical balance's mode, by the cooperation structure who supports traveller, radial traveller and translation steel ball for can balance the bottom surface of work piece and float, overall structure is simple reliable, the cost is lower, the later maintenance of being convenient for.

The utility model discloses a realize like this:

a mechanical end face supporting clamp comprises a clamp rod body penetrating through a workpiece and a pressing plate sliding on the clamp rod body and abutting against the top face of the workpiece, wherein a floating supporting body is arranged on the clamp rod body below the workpiece, a translational cavity located on the axis of the clamp rod body is formed in the floating supporting body or the clamp rod body, translational steel balls roll in the translational cavity, a plurality of radial sliding pillars capable of sliding radially are distributed on the floating supporting body in the circumferential direction around the axis of the clamp rod body, the inner ends of the radial sliding pillars extend into the translational cavity and abut against the translational steel balls, supporting sliding pillars corresponding to the radial sliding pillars in number and position in a one-to-one mode are connected to the floating supporting body in a vertical sliding mode, the top ends of the supporting sliding pillars abut against the bottom face of the workpiece, the bottom ends of the supporting sliding pillars are matched with the outer ends of the radial sliding pillars, the supporting sliding pillars move downwards to drive the radial sliding pillars to slide inwards in the radial direction, and the radial sliding pillars slide outwards to drive the supporting sliding pillars to move upwards.

In the mechanical end face support clamp, the floating support body is sleeved on the clamp rod body, a plurality of radially arranged inner radial sliding holes are uniformly distributed on the clamp rod body in the circumferential direction, the inner ends of the inner radial sliding holes are communicated with the translational cavity, outer radial sliding holes corresponding to the inner radial sliding holes one to one are formed in the floating support body, and radial slideways for radial sliding of the radial sliding columns are formed between the inner radial sliding holes and the corresponding outer radial sliding holes.

In the above-mentioned mechanical type terminal surface supports anchor clamps, the bottom of the anchor clamps body of rod outwards radially extends and is formed with annular base, the unsteady support body supports and leans on the top surface of annular base, and the unsteady support body passes through fastener fixed connection on annular base.

In the mechanical end face supporting clamp, a hydraulic nut is screwed on the clamp rod body above the pressing plate, and a pressing ring of the hydraulic nut abuts against the top face of the pressing plate.

In the above mechanical end face support clamp, the outer end face of the radial sliding pillar and the bottom end face of the support sliding pillar are both inclined faces, and the outer end face of the radial sliding pillar abuts against the bottom end face of the corresponding support sliding pillar and can slide relatively.

In the above-mentioned mechanical end face support clamp, a containing hole is formed in the bottom surface of the clamp rod body along the axis of the clamp rod body, a support pin is inserted and fixed in the containing hole, and the translation cavity is formed between the support pin and the containing hole.

In the above mechanical end face support clamp, three radial sliding columns are uniformly distributed in the circumferential direction.

Compared with the prior art, the utility model has the outstanding advantages that:

the utility model discloses a mechanical balance's mode, by the cooperation structure that supports traveller, radial traveller and translation steel ball for can balance the bottom surface of work piece and float, with the realization to the error compensation of out of plumb between work piece bottom surface and the hole, avoid the emergence of location phenomenon, its overall structure is simple reliable, the cost is lower, the later maintenance of being convenient for.

Description of the drawings:

fig. 1 is a cross-sectional view of the overall structure of the present invention;

fig. 2 is a longitudinal sectional view of the overall structure of the present invention.

In the figure: 1. a workpiece; 2. a clamp rod body; 3. pressing a plate; 4. a floating support body; 5. a translational cavity; 6. translating the steel ball; 7. a radial strut; 8. a support strut; 9. an inner radial slide hole; 10. an outer radial slide hole; 11. an annular base; 12. a hydraulic nut; 13. a compression ring; 14. and (7) supporting the pin.

The specific implementation mode is as follows:

the invention will now be further described with reference to specific embodiments, with reference to figures 1-2:

a mechanical end face supporting clamp comprises a clamp rod body 2 penetrating through a workpiece 1 and a pressing plate 3 sliding on the clamp rod body 2 and abutting against the top face of the workpiece 1, wherein a floating supporting body 4 is arranged on the clamp rod body 2 below the workpiece 1, a translational cavity 5 located on the axis of the clamp rod body 2 is formed in the floating supporting body 4 or the clamp rod body 2, translational steel balls 6 roll in the translational cavity 5, a plurality of radial sliding columns 7 capable of sliding radially are circumferentially distributed on the floating supporting body 4 around the axis of the clamp rod body 2, the inner ends of the radial sliding columns 7 extend into the translational cavity 5 and abut against the translational steel balls 6, supporting sliding columns 8 are vertically and slidably connected to the floating supporting body 4, the number and the positions of the supporting sliding columns 8 correspond to the radial sliding columns 7 one by one, the top ends of the supporting sliding columns 8 abut against the bottom face of the workpiece 1, the bottom ends of the supporting sliding columns 8 are matched with the outer ends of the radial sliding columns 7, the supporting sliding columns 8 move downwards and can drive the supporting sliding columns 8 to move upwards along the radial inwards. Its the utility model discloses a theory of operation does: under the pressing action of the pressing plate 3, the workpiece 1 can abut against part of the supporting sliding columns 8, so that the supporting sliding columns 8 slide downwards to drive the corresponding radial sliding columns 7 to slide inwards along the radial direction, further, the other radial sliding columns 7 can slide outwards along the radial direction through the translation of the translation steel balls 6 in the translation cavity 5 to drive the corresponding supporting sliding columns 8 to move upwards, and finally, all the supporting sliding columns 8 abut against the bottom surface of the workpiece 1, so that the non-perpendicularity error compensation between the bottom surface of the workpiece 1 and an inner hole is realized.

In the present embodiment, three radial sliding columns 7 are uniformly distributed in the circumferential direction, that is, three supporting sliding columns 8 are also correspondingly arranged, and the top end faces of the three circumferentially equally-divided supporting sliding columns 8 form a triangular supporting structure, and the translational steel ball can be driven by the three radial sliding columns 7 to flexibly translate in the translational cavity 5.

Namely the utility model discloses a mechanical balance's mode, by the cooperation structure that supports traveller 8, radial traveller 7 and translation steel ball 6 for can balance the bottom surface of work piece 1 and float, with the realization to the error compensation of out of plumb between 1 bottom surface of work piece and the hole, avoid the emergence of location phenomenon, its overall structure is simple reliable, the cost is lower, the later maintenance of being convenient for.

Furthermore, the floating support body 4 and the clamp rod body 2 can be integrated, and in this embodiment, in order to reduce the requirement of the processing technique, the floating support body 4 and the clamp rod body 2 are separated, and the concrete matching structure between the floating support body 4 and the clamp rod body 2 is: the floating support body 4 is sleeved on the clamp rod body 2, a plurality of radially arranged inner radial sliding holes 9 are uniformly distributed on the clamp rod body 2 in the circumferential direction, the inner ends of the inner radial sliding holes 9 are communicated with the translation cavity 5, outer radial sliding holes 10 corresponding to the inner radial sliding holes 9 one by one are formed in the floating support body 4, and radial slideways for radial sliding of the radial sliding columns 7 are formed between the inner radial sliding holes 9 and the corresponding outer radial sliding holes 10.

Meanwhile, in order to facilitate the connection of the floating support body 4 on the fixture rod body 2 so that the inner radial slide hole 9 corresponds to the outer radial slide hole 10, the bottom of the fixture rod body 2 extends outwards and radially to form an annular base 11, the floating support body 4 abuts against the top surface of the annular base 11 and is fixedly connected to the annular base 11 through a fastener, namely, a positioning threaded hole is formed in the annular base 11, and the floating support body 4 is screwed at the positioning threaded hole through the fastener.

Furthermore, in order to enable the pressing plate 3 to stably and uniformly press the workpiece 1 and avoid the uneven pressing force of the pressing plate 3 and the workpiece 1 due to the non-perpendicularity of the top surface of the workpiece 1 and the inner hole, and further avoid the pressing deformation from damaging the floating balance positioning of the bottom surface of the workpiece 1, the clamp rod body 2 above the pressing plate 3 is screwed with the hydraulic nut 12, namely, the hydraulic nut 12 is screwed inwards, so that the pressing ring 13 of the hydraulic nut 12 can abut against the top surface of the pressing plate 3.

Further, in order to make the downward movement of the support sliding column 8 drive the radial sliding column 7 to slide radially inward and the outward movement of the radial sliding column 7 drive the support sliding column 8 to move upward, the outer end face of the radial sliding column 7 and the bottom end face of the support sliding column 8 may adopt a hemispherical structure, while in the present embodiment, the outer end face of the radial sliding column 7 and the bottom end face of the support sliding column 8 adopt a specific structure: the outer end face of the radial sliding column 7 and the bottom end face of the supporting sliding column 8 are both inclined faces, and the outer end face of the radial sliding column 7 abuts against the bottom end face of the corresponding supporting sliding column 8 and can slide relatively.

In addition, in order to enable the translation steel balls 6 to be loaded into the translation cavity 5, a containing hole is formed in the bottom surface of the clamp rod body 2 along the axis of the clamp rod body, a supporting pin 14 is inserted into and fixed in the containing hole, and the translation cavity 5 is formed between the supporting pin 14 and the containing hole.

The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the utility model should be covered within the protection scope of the utility model.

Claims

1. The utility model provides a mechanical type terminal surface supports anchor clamps which characterized in that: the fixture comprises a fixture rod body (2) penetrating through a workpiece (1), and a pressing plate (3) sliding on the fixture rod body (2) and abutting against the top surface of the workpiece (1), wherein a floating support body (4) is arranged on the fixture rod body (2) below the workpiece (1), a translational cavity (5) located on the axis of the fixture rod body (2) is formed in the floating support body (4) or the fixture rod body (2), translational steel balls (6) roll in the translational cavity (5), a plurality of radial sliding columns (7) capable of sliding radially are circumferentially distributed on the floating support body (4) around the axis of the fixture rod body (2), the inner ends of the radial sliding columns (7) extend into the translational cavity (5) and abut against the translational steel balls (6), supporting sliding columns (8) which are in number and in one-to-one correspondence with the radial sliding columns (7) are vertically and slidably connected to the floating support body (4), the top ends of the supporting sliding columns (8) abut against the bottom surface of the workpiece (1), the bottom ends of the supporting sliding columns are matched with the outer ends of the radial sliding columns (7), and the supporting columns (8) can move outwards along the radial sliding columns (7) and can move upwards and move.

2. The mechanical end face support jig of claim 1, wherein: the floating support body (4) is sleeved on the clamp rod body (2), a plurality of radially arranged inner radial sliding holes (9) are circumferentially and uniformly distributed on the clamp rod body (2), the inner ends of the inner radial sliding holes (9) are communicated with the translation cavity (5), outer radial sliding holes (10) which are in one-to-one correspondence with the inner radial sliding holes (9) are formed in the floating support body (4), and radial slideways for radial sliding of the radial sliding columns (7) are formed between the inner radial sliding holes (9) and the corresponding outer radial sliding holes (10).

3. A mechanical end face support clamp as claimed in claim 2, wherein: the bottom of the clamp rod body (2) extends outwards and radially to form an annular base (11), and the floating support body (4) is abutted against the top surface of the annular base (11) and is fixedly connected to the annular base (11) through a fastener, wherein the floating support body (4) is fixedly connected to the annular base (11).

4. A mechanical end face support clamp as claimed in claim 1, wherein: the clamp rod body (2) above the pressing plate (3) is connected with a hydraulic nut (12) in a threaded mode, and a pressing ring (13) of the hydraulic nut (12) abuts against the top surface of the pressing plate (3).

5. A mechanical end face support clamp as claimed in claim 1, wherein: the outer end face of the radial sliding column (7) and the bottom end face of the supporting sliding column (8) are inclined faces, and the outer end face of the radial sliding column (7) abuts against the bottom end face of the corresponding supporting sliding column (8) and can slide relatively.

6. The mechanical end face support jig of claim 1, wherein: the bottom surface of the clamp rod body (2) is provided with a containing hole along the axis, a supporting pin (14) is inserted into the containing hole and is fixed, and a translation cavity (5) is formed between the supporting pin (14) and the containing hole.

7. A mechanical end face support clamp as claimed in claim 1, wherein: three radial sliding columns (7) are uniformly distributed in the circumferential direction.