CN212598969U

CN212598969U - Floating chuck for vortex machining

Info

Publication number: CN212598969U
Application number: CN202021224222.9U
Authority: CN
Inventors: 解云龙; 王凤真; 田芳; 王宪法; 周向东
Original assignee: Shandong Liancheng Precision Manufacturing Co ltd
Current assignee: Shandong Liancheng Precision Manufacturing Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-02-26
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses a floating chuck for vortex processing, which comprises a shell, wherein three chutes are uniformly formed in the top end of the shell, the three chutes are respectively and slidably connected with the bottom ends of three clamping jaws through sliding plates, first fixing pieces are fixedly arranged on one sides of the bottom ends of the three sliding plates, the three first fixing pieces are respectively and rotatably connected with one ends of three connecting rods through pin shafts, and the other ends of the three connecting rods are respectively and rotatably connected with three second fixing pieces through pin shafts; the utility model has the advantages that: the utility model relates to a floating chuck for vortex processing rotates with first stationary blade and second stationary blade respectively through the both ends with the connecting rod to be connected, and when the hydraulic stem of miniature hydro-cylinder is flexible, can control three jack catch elasticity work piece, through setting up energy storage spring, has increased the unsteady compensation function of jack catch, can the free adjustment, and the work piece atress is great can compress energy storage spring, work piece non-deformable in the course of working.

Description

Floating chuck for vortex machining

Technical Field

The utility model relates to a chuck, in particular to floating chuck for vortex processing belongs to chuck technical field.

Background

The chuck is a mechanical device used for clamping workpieces on a machine tool, the workpieces are clamped and positioned by utilizing the radial movement of movable clamping jaws uniformly distributed on a chuck body, the clamping jaws of the chuck for common vortex machining are fixed, the chuck does not have a floating compensation function and is difficult to freely adjust, the circular workpieces are easy to deform in the machining process, the situation that the clamping is not in place is easy to generate, and the clamping jaws of the chuck for common vortex machining do not generally have a protection function and easily cause the surface abrasion of the circular workpieces.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a floating chuck for vortex processing to the jack catch that solves the common chuck for vortex processing that provides among the above-mentioned background art is fixed, does not have the compensation function that floats, is difficult to the problem of free adjustment.

In order to achieve the above object, the utility model provides a following technical scheme: a floating chuck for vortex machining comprises a shell, wherein three sliding grooves are uniformly formed in the top end of the shell, the three sliding grooves are respectively and slidably connected with the bottom ends of three clamping jaws through sliding plates, a first fixing piece is fixedly arranged on one side of the bottom end of each sliding plate, the three first fixing pieces are respectively and rotatably connected with one ends of three connecting rods through hinge pins, the other ends of the three connecting rods are respectively and rotatably connected with three second fixing pieces through hinge pins, cavities are formed in one ends of the three clamping jaws, sliding blocks are respectively and slidably connected inside the three cavities, one ends of the three sliding blocks are respectively and fixedly connected with one ends of three energy storage mechanisms, the other ends of the three energy storage mechanisms are respectively and fixedly connected with the inner walls of the other ends of the three clamping jaws, backup plates are respectively and fixedly arranged at one ends of the three sliding blocks, one sides of the three backup plates are respectively and fixedly connected with one ends, the middle part of shell bottom is fixed and is equipped with miniature hydro-cylinder, and is three one side of second stationary blade all with miniature hydro-cylinder's hydraulic stem top fixed connection, miniature hydro-cylinder passes through the miniature hydro-cylinder switch and the power electric connection that the lathe surface was equipped with.

As a preferred technical scheme of the utility model, it is three energy storage mechanism all includes guide pin bushing, guide pillar and energy storage spring, and is three the guide pin bushing respectively with three guide pillar sliding connection, it is three the surface of guide pillar all overlaps and is equipped with energy storage spring, it is three the one end of guide pillar and the one end of three guide pin bushing respectively with the one end of three slider and the inner wall fixed connection of the three jack catch other end.

As a preferred technical scheme of the utility model, it is three protection machanism all includes fixture block, silica gel dop and a plurality of sand grip, and is three the fixture block is connected with one side block of three backup plate respectively, and is three one side of fixture block respectively with the one end fixed connection of three silica gel dop, it is three the other end of silica gel dop is all fixed and is equipped with a plurality of sand grip.

As a preferred technical scheme of the utility model, the bottom mounting of shell is equipped with the mounting panel, the mounting hole has all been seted up to four avris on mounting panel top.

As a preferred technical scheme of the utility model, the through-hole has been seted up at the middle part of shell bottom, the hydraulic stem and the through-hole interlude of miniature hydro-cylinder are connected.

As an optimized technical scheme of the utility model, the centre bore has been seted up at the middle part on shell top, the centre bore is coaxial with the through-hole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a floating chuck for vortex processing, through rotating the both ends of connecting rod respectively with first stationary blade and second stationary blade and being connected, when the hydraulic stem of miniature hydro-cylinder stretches out and draws back, can control three jack catch elasticity work piece, through setting up energy storage spring, increased the unsteady compensation function of jack catch, can freely adjust, work piece atress is great can compress energy storage spring, work piece non-deformable in the course of working, if produce the gap between work piece and the silica gel dop, spring mud more the spring can promote the slider, make silica gel dop and work piece laminating, difficult situation that the centre gripping is not in place; through setting up three silica gel dop, adding man-hour to the work piece, three silica gel dop can protect the work piece, is difficult for causing the surface wear of work piece, is connected with one side block of three backup plate respectively through the fixture block with three silica gel dop, is convenient for install and dismantle three silica gel dop.

Drawings

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

fig. 2 is a schematic view of the internal structure of the housing of the present invention;

fig. 3 is a schematic structural diagram of the energy storage mechanism of the present invention.

In the figure: 1. a housing; 2. a slide plate; 3. a claw; 4. a cavity; 5. an energy storage mechanism; 51. a guide sleeve; 52. a guide post; 53. an energy storage spring; 6. a slider; 7. a backup plate; 8. a protection mechanism; 81. a clamping block; 82. a silica gel chuck; 83. a convex strip; 9. a first fixing sheet; 10. a connecting rod; 11. a second fixing sheet; 12. a through hole; 13. a micro oil cylinder; 14. mounting a plate; 15. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-3, the utility model provides a floating chuck for vortex processing, which comprises a shell 1, wherein three chutes are uniformly arranged at the top end of the shell 1, the three chutes are respectively connected with the bottom ends of three claws 3 through sliding plates 2 in a sliding way, one side of the bottom ends of the three sliding plates 2 is fixedly provided with a first fixing plate 9, the three first fixing plates 9 are respectively connected with one ends of three connecting rods 10 in a rotating way through pin shafts, the other ends of the three connecting rods 10 are respectively connected with three second fixing plates 11 in a rotating way through pin shafts, one ends of the three claws 3 are respectively provided with cavities 4, the interiors of the three cavities 4 are respectively connected with sliding blocks 6 in a sliding way, one ends of the three sliding blocks 6 are respectively connected with one ends of three energy storage mechanisms 5 in a fixed way, the other ends of the three energy storage mechanisms 5 are respectively connected with the inner walls of, and difficult production centre gripping situation not in place, the one end of three slider 6 is all fixed and is equipped with backup plate 7, and one side of three backup plate 7 is connected with the one end block of three protection machanism 8 respectively, and the middle part of 1 bottom of shell is fixed and is equipped with miniature hydro-cylinder 13, and one side of three second stationary blade 11 all is connected with the hydraulic stem top fixed connection of miniature hydro-cylinder 13, and miniature hydro-cylinder 13 is through the miniature hydro-cylinder switch and the power electric connection that the lathe surface was equipped with.

Preferably, the three energy storage mechanisms 5 respectively comprise guide sleeves 51, guide columns 52 and energy storage springs 53, the three guide sleeves 51 are respectively connected with the three guide columns 52 in a sliding manner, the energy storage springs 53 are respectively sleeved on the surfaces of the three guide columns 52, one ends of the three guide columns 52 and one ends of the three guide sleeves 51 are respectively fixedly connected with one ends of the three sliders 6 and the inner walls of the other ends of the three jaws 3, the energy storage springs 53 are arranged, the floating compensation function of the jaws 3 is increased, the energy storage springs 53 can be freely adjusted, workpieces can be compressed due to high stress, the workpieces are not prone to deformation in the processing process, if gaps are generated between the workpieces and the silica gel chucks 82, the energy storage springs 53 can push the sliders 6, so that the silica gel chucks 82 are attached to the workpieces; the three protection mechanisms 8 respectively comprise a fixture block 81, a silica gel chuck 82 and a plurality of protruding strips 83, the three fixture blocks 81 are respectively connected with one side of the three backup plates 7 in a clamping manner, one side of each fixture block 81 is fixedly connected with one end of each silica gel chuck 82, the other end of each silica gel chuck 82 is fixedly provided with a plurality of protruding strips 83, through the arrangement of the three silica gel chucks 82, when a workpiece is machined, the three silica gel chucks 82 can protect the workpiece and are not prone to causing surface abrasion of the workpiece, and through the clamping connection of the fixture blocks 81 of the three silica gel chucks 82 with one side of the three backup plates 7 respectively, the three silica gel chucks 82 can be conveniently installed and detached; the bottom end of the shell 1 is fixedly provided with an installation plate 14, and four side edges of the top end of the installation plate 14 are provided with installation holes 15, so that the shell 1 can be conveniently fixed; a through hole 12 is formed in the middle of the bottom end of the shell 1, a hydraulic rod of the micro oil cylinder 13 is connected with the through hole 12 in an inserting mode, and the hydraulic rod of the micro oil cylinder 13 cannot be in contact with the shell 1; the middle part of the top end of the shell 1 is provided with a central hole which is coaxial with the through hole 12 and is convenient for placing a workpiece.

When the floating chuck is used in detail, the utility model relates to a floating chuck for vortex processing, when a workpiece needs to be clamped, one end of the workpiece is arranged in a center hole, the hydraulic rod of a micro oil cylinder 13 with the model of CX-SD controlled by a micro oil cylinder switch contracts, the hydraulic rod of the micro oil cylinder 13 pulls a clamping jaw 3 to move towards the direction of the center hole in the contraction process, the workpiece is locked, an energy storage spring 53 of an energy storage mechanism 5 increases the floating compensation function of the clamping jaw 3, the energy storage spring 53 can be compressed when the stress of the workpiece is larger, the workpiece is not easy to deform in the processing process, if a gap is generated between the workpiece and a silica gel clamping head 82, the energy storage spring 53 can push a sliding block 6, the silica gel clamping head 82 is attached to the workpiece, the situation that the clamping is not in place is not easy to generate, the three silica gel clamping heads 82 can protect the workpiece, the surface abrasion of the workpiece is not easy to cause, the three silica gel chucks 82 can be conveniently installed and disassembled, after the processing is finished, when the workpiece needs to be taken down, the hydraulic rod of the micro oil cylinder 13 is controlled to extend through the micro oil cylinder switch, the three clamping jaws 3 are pushed to reset, and then the workpiece can be taken down.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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. The floating chuck for vortex machining comprises a shell (1) and is characterized in that three sliding grooves are uniformly formed in the top end of the shell (1), the three sliding grooves are respectively connected with the bottom ends of three clamping jaws (3) in a sliding mode through sliding plates (2), a first fixing piece (9) is fixedly arranged on one side of the bottom end of each sliding plate (2), the three first fixing pieces (9) are respectively connected with one ends of three connecting rods (10) in a rotating mode through pin shafts, the other ends of the three connecting rods (10) are respectively connected with three second fixing pieces (11) in a rotating mode through pin shafts, cavities (4) are respectively formed in one ends of the three clamping jaws (3), sliders (6) are respectively connected with the inside of the three cavities (4) in a sliding mode, one ends of the three sliders (6) are respectively fixedly connected with one ends of three energy storage mechanisms (5), it is three the other end of energy storage mechanism (5) is respectively with the inner wall fixed connection of three jack catch (3) other end, and is three the one end of slider (6) is all fixed and is equipped with backup plate (7), and is three one side of backup plate (7) is connected with the one end block of three protection machanism (8) respectively, the middle part of shell (1) bottom is fixed and is equipped with miniature hydro-cylinder (13), and is three one side of second stationary blade (11) all with the hydraulic stem top fixed connection of miniature hydro-cylinder (13), miniature hydro-cylinder (13) are through miniature hydro-cylinder switch and the power electric connection that the lathe surface was equipped with.

2. A float chuck for use in scroll machining according to claim 1, wherein: the three energy storage mechanisms (5) respectively comprise guide sleeves (51), guide columns (52) and energy storage springs (53), the three guide sleeves (51) are respectively in sliding connection with the three guide columns (52), the energy storage springs (53) are respectively sleeved on the surfaces of the three guide columns (52), and one ends of the three guide columns (52) and one ends of the three guide sleeves (51) are respectively fixedly connected with one ends of the three sliding blocks (6) and the inner walls of the other ends of the three clamping jaws (3).

3. A float chuck for use in scroll machining according to claim 1, wherein: it is three protection machanism (8) all include fixture block (81), silica gel dop (82) and a plurality of sand grip (83), and are three fixture block (81) are connected with one side block of three backup plate (7) respectively, and are three one side of fixture block (81) is respectively with the one end fixed connection of three silica gel dop (82), and is three the other end of silica gel dop (82) is all fixed and is equipped with a plurality of sand grip (83).

4. A float chuck for use in scroll machining according to claim 1, wherein: the bottom mounting of shell (1) is equipped with mounting panel (14), mounting hole (15) have all been seted up to four avris on mounting panel (14) top.

5. A float chuck for use in scroll machining according to claim 1, wherein: the middle part of the bottom end of the shell (1) is provided with a through hole (12), and a hydraulic rod of the micro oil cylinder (13) is connected with the through hole (12) in a penetrating manner.

6. The float chuck for use in scroll machining according to claim 5, wherein: the middle part of the top end of the shell (1) is provided with a central hole which is coaxial with the through hole (12).