CN213796043U - Fixing device is used in thin wall parts machining - Google Patents

Abstract

The invention relates to a fixing device for thin-wall part processing, which belongs to the technical field of part processing and comprises an outer barrel and a fixing seat, wherein an inner barrel is arranged in the outer barrel, the fixing seat is fixedly connected with the outer barrel and the inner barrel respectively, the outer barrel and the inner barrel are coaxially arranged, a cavity is reserved in the middle of the outer barrel and the inner barrel, and the fixing device is arranged in the cavity; according to the invention, the double-layer sleeve is matched with the two groups of fixing devices to fix the thin-wall part, so that the fixing stability of the thin-wall part is improved, the subsequent processing of the thin-wall part is facilitated, the operation is convenient, and the production efficiency is high.

Description

Fixing device is used in thin wall parts machining

Technical Field

The invention relates to the technical field of part machining, in particular to a fixing device for thin-wall part machining.

Background

The part, which refers to a single piece that cannot be disassembled in the machine, is a basic component element of the machine and is also a basic unit in the manufacturing process of the machine. In the process of machining parts, the parts are often fixed and then machined, and particularly thin-wall parts are thin, so that the thin-wall parts are prone to deformation under the action of clamping force of the clamp, the size precision and machining precision of workpieces are further affected, and the thin-wall parts have high requirements on the performance of a fixing device.

Traditional thin wall part presss from both sides and adopts the three-jaw chuck usually, through to the work piece centre gripping at three direction application of force, though can press from both sides tightly but press from both sides the part easily, the part presss from both sides the condition of hindering although being difficult to appear in partial column fixing device, but stability is relatively poor, influences the part machining precision easily, and is great to the product percent of pass influence.

Disclosure of Invention

The invention aims to provide a fixing device for thin-wall part machining, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a fixing device is used in thin wall parts machining, includes urceolus and fixing base, urceolus internally mounted has the inner tube, the fixing base respectively with urceolus and inner tube fixed connection, urceolus and the coaxial setting of inner tube and the centre leave the cavity, install fixing device in the cavity.

As a further technical scheme of the invention: fixing device includes first recess and second recess, first recess sets up in the urceolus outside, the first recess outside is equipped with the first spout rather than the intercommunication, install first spring in the first spout, first slider with first spout sliding connection is installed in the first spring outside, the first dead lever of first slider outside fixedly connected with, first fixed ball rather than rotating the connection is installed in the first dead lever outside, first fixed block is installed in the first fixed ball outside, first fixed block sets up in the first dead lever outside and rather than fixed connection.

As a further technical scheme of the invention: the second recess sets up in the inner tube inboardly, the second recess outside is equipped with the second spout rather than the intercommunication, install the second spring in the second spout, the second slider with second spout sliding connection is installed in the second spring outside, second slider outside fixedly connected with second dead lever, the second dead lever outside is installed rather than the fixed ball of second of rotating the connection, the second fixed block is installed in the second fixed ball outside, the second fixed block sets up in the second dead lever outside and rather than fixed connection.

As a further technical scheme of the invention: the fixing seat is provided with a mounting hole, and the mounting hole is arranged on the outer side of the outer barrel and is coaxial with the outer barrel.

As a further technical scheme of the invention: the outer barrel is provided with a first strip-shaped through hole, the inner barrel is provided with a second strip-shaped through hole, and the first through hole and the second through hole are coaxially arranged.

As a further technical scheme of the invention: one end of the cavity, far away from the fixed seat, is provided with a guide groove, and the guide groove is connected with the cavity.

As a further technical scheme of the invention: the outer side of the first fixing ball is fixedly connected with a first rubber pad, and anti-skid grains are arranged on the outer surface of the first rubber pad.

As a further technical scheme of the invention: and a second rubber pad is fixedly connected to the outer side of the second fixing ball, and anti-skid grains are arranged on the outer surface of the second rubber pad.

Compared with the prior art, the invention has the beneficial effects that: the double-layer sleeve is matched with the two groups of fixing devices to fix the thin-wall part, so that the fixing stability of the thin-wall part is improved, the thin-wall part is conveniently and subsequently processed, the operation is convenient, and the production efficiency is high.

Drawings

FIG. 1 is a front view of a fixture for thin-walled part machining;

FIG. 2 is a front sectional view of a fixture for thin-walled parts machining;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 2;

FIG. 5 is an enlarged view of the structure of C in FIG. 4;

fig. 6 is a sectional view of a fixing ball in the fixing device for thin-walled parts machining.

In the figure: 1-outer cylinder, 2-fixed seat, 3-first through hole, 4-mounting hole, 5-inner cylinder, 6-guide groove, 7-cavity, 8-fixing device, 9-second through hole, 10-first groove, 11-first sliding groove, 12-first spring, 13-first sliding block, 14-first fixing rod, 15-first fixing ball, 16-first fixing block, 17-second groove, 18-second sliding groove, 19-second spring, 20-second sliding block, 21-second fixing rod, 22-second fixing ball, 23-second fixing block, 24-first rubber pad and 25-second rubber pad.

Detailed Description

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

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

Example 1

The fixing device for processing the thin-wall part shown in fig. 1-5 comprises an outer cylinder 1 and a fixing seat 2, wherein an inner cylinder 5 is arranged in the outer cylinder 1, the fixing seat 2 is respectively and fixedly connected with the outer cylinder 1 and the inner cylinder 5, and the whole fixing device is fixed at a position suitable for processing the thin-wall part through the fixing seat 2 so as to fix the thin-wall part; the utility model discloses a thin-wall part fixing device, including urceolus 1 and urceolus 5, including urceolus 7, fixing device 8 is installed to urceolus 1 and urceolus 5 coaxial arrangement and centre, advances then fix through fixing device 8 in going into cavity 7 through going into thin-wall part card, fixes thin-wall part through inner tube 5 and 1 two-layer sleeve of urceolus, has improved thin-wall part's fixed stability, and convenient follow-up processing is carried out thin-wall part.

The fixing device 8 comprises a first groove 10 and a second groove 17, the first groove 10 is arranged on the outer side of the outer barrel 1, a first chute 11 communicated with the first groove 10 is arranged on the outer side of the first groove 10, a first spring 12 is arranged in the first chute 11, a first sliding block 13 in sliding connection with the first chute 11 is arranged on the outer side of the first spring 12, a first fixing rod 14 is fixedly connected to the outer side of the first sliding block 13, a first fixing ball 15 in rotating connection with the first fixing rod 14 is arranged on the outer side of the first fixing rod 14, the first fixing ball 15 is extruded when the thin-wall part is contacted with the first fixing ball 15 after entering the cavity 7, the first fixing rod 14 and the first sliding block 13 are driven to move in the first chute 11, the first spring 12 is compressed at the moment, the thin-wall part is fixed in the cavity 7 under the action of the first spring 12 after completely entering the cavity 7, and the thin-wall part is conveniently inserted and contacted with the thin-wall part due to the small friction force when the first fixing ball 15 in rotating design is contacted with the thin-wall part Taking out; first fixed block 16 is installed in the first fixed ball 15 outside, first fixed block 16 sets up in the first dead lever 14 outside and rather than fixed connection, and through setting up the axial motion of first fixed ball 15 along first dead lever 14 of first fixed block 16 restriction, the unable fixed and inconvenient follow-up processing that leads to in position when avoiding appearing the thin wall part and inserting.

Second recess 17 sets up in inner tube 5 inboardly, the second recess 17 outside is equipped with the second spout 18 rather than the intercommunication, install second spring 19 in the second spout 18, second slider 20 with second spout 17 sliding connection is installed in the second spring 19 outside, second slider 20 outside fixedly connected with second dead lever 21, second dead lever 21 installs in the outside rather than the rotation second fixed ball 22 of being connected, second fixed block 23 is installed in the second fixed ball 22 outside, second fixed block 23 sets up in the second dead lever 21 outside and rather than fixed connection, and it is fixed more stable through setting up the first fixed ball 15 of second fixed ball 22 cooperation messenger thin wall part.

The fixing base 2 is provided with a mounting hole 4, the mounting hole 4 is arranged on the outer side of the outer barrel 1 and is coaxial with the outer barrel, the fixing base 2 is fixed at a proper position through the mounting hole 4, and subsequent processing is conveniently carried out after the thin-wall part is fixed.

Be equipped with banding first through-hole 3 on urceolus 1, be equipped with banding second through-hole 9 on inner tube 5, first through-hole 3 and the coaxial setting of second through-hole 9 aim at first through-hole 3 with the position that thin wall part waited to process, process the thin wall part through first through-hole 3, and processing is convenient, and second through-hole 9 through coaxial setting has avoided processing device and inner tube 5 contact to lead to stability to reduce man-hour.

The cavity 7 is far away from one end of the fixing seat 2 and is provided with a guide groove 6, the guide groove 6 is connected with the cavity 7, and the thin-wall part is more easily placed into the cavity 7 to be fixed by arranging the guide groove 6.

Example 2

As shown in fig. 6, the present embodiment is different from embodiment 1 in that a first rubber pad 24 is fixedly connected to an outer side of the first fixing ball 15, an outer surface of the first rubber pad 24 is provided with anti-slip patterns, the first fixing ball 15 is prevented from crushing thin-walled parts by the arrangement of the rubber pad 24, and the rubber pad with the anti-slip patterns can also prevent the thin-walled parts from sliding; the outer side of the second fixing ball 22 is fixedly connected with a second rubber pad 25, the outer surface of the second rubber pad 25 is provided with anti-skidding lines, and the second rubber pad 25 is matched with the first rubber pad 24, so that the fixing stability of the thin-wall part is further improved.

The working principle is as follows: fix fixing base 2 in suitable position through mounting hole 4, insert the thin wall part in cavity 7 through guide way 6, the thin wall part contacts and extrudes first fixed ball 15 and second fixed ball 22 with first fixed ball 15 and second fixed ball 22, make it move to both sides respectively, after the thin wall part gets into cavity 7 completely, because the effect of first spring 12 and second spring 19 fixes the thin wall part in cavity 7, process the thin wall part through first through-hole 3 after the fixed back, the rubber pad on fixed ball surface has improved the fixed stability of thin wall part, prevent to add the part removal of man-hour.

It will be evident to those skilled in the art that the invention 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 invention 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. The utility model provides a fixing device is used in thin wall parts machining, includes urceolus (1) and fixing base (2), its characterized in that: urceolus (1) internally mounted has inner tube (5), fixing base (2) respectively with urceolus (1) and inner tube (5) fixed connection, urceolus (1) and inner tube (5) coaxial setting and centre leave cavity (7), install fixing device (8) in cavity (7).

2. The fixture for thin-walled workpiece machining according to claim 1, wherein: fixing device (8) include first recess (10) and second recess (17), first recess (10) set up in urceolus (1) outside, first recess (10) outside is equipped with rather than first spout (11) of intercommunication, install first spring (12) in first spout (11), first slider (13) with first spout (11) sliding connection are installed in first spring (12) outside, first slider (13) outside fixedly connected with first dead lever (14), first dead lever (14) outside is installed rather than first fixed ball (15) of rotating the connection, first fixed block (16) are installed in first fixed ball (15) outside, first fixed block (16) set up in first dead lever (14) outside and rather than fixed connection.

3. The fixture for thin-walled workpiece machining according to claim 2, wherein: second recess (17) set up inboard in inner tube (5), second recess (17) outside is equipped with second spout (18) rather than the intercommunication, install second spring (19) in second spout (18), second slider (20) with second spout (18) sliding connection are installed in second spring (19) outside, second slider (20) outside fixedly connected with second dead lever (21), second fixed ball (22) rather than the rotation connection are installed in second dead lever (21) outside, second fixed block (23) are installed in second fixed ball (22) outside, second fixed block (23) set up in second dead lever (21) outside and rather than fixed connection.

4. The fixture for thin-walled workpiece machining according to claim 1, wherein: the fixing seat (2) is provided with a mounting hole (4), and the mounting hole (4) is arranged on the outer side of the outer barrel (1) and is coaxial with the outer barrel.

5. The fixture for thin-walled workpiece processing according to claim 1 or 2, wherein: the outer barrel (1) is provided with a strip-shaped first through hole (3), the inner barrel (5) is provided with a strip-shaped second through hole (9), and the first through hole (3) and the second through hole (9) are coaxially arranged.

6. The fixture for thin-walled workpiece machining according to claim 1, wherein: one end, far away from the fixed seat (2), of the cavity (7) is provided with a guide groove (6), and the guide groove (6) is connected with the cavity (7).

7. The fixture for thin-walled workpiece machining according to claim 2, wherein: the outer side of the first fixing ball (15) is fixedly connected with a first rubber pad (24), and anti-skid grains are arranged on the outer surface of the first rubber pad (24).

8. The fixture for thin-walled workpiece machining according to claim 3, wherein: the outer side of the second fixing ball (22) is fixedly connected with a second rubber pad (25), and anti-skid grains are arranged on the outer surface of the second rubber pad (25).

Images