CN214817035U

CN214817035U - Spiral plate type three-jaw self-centering chuck pin prevention cover

Info

Publication number: CN214817035U
Application number: CN202120363104.4U
Authority: CN
Inventors: 孟宪坡
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-11-23
Anticipated expiration: 2031-02-08

Abstract

A screw disk type three-jaw self-centering chuck pin prevention cover comprises a pin prevention cover arranged at the upper part of a chuck, wherein the pin prevention cover consists of an upper cover, a telescopic scribing sheet, a shifting spring and a bottom cover; the middle lower part of the circular bottom cover is provided with a centering reinforcing rib, and the centering reinforcing rib is in friction clamping connection with a clamping port in the middle of the chuck in a pressing mode; be equipped with the jack catch groove that corresponds with the jack catch phase-match on the chuck on circular shape bottom, the jack catch is at jack catch inslot top and is moved flexible scribing clamp type and make a round trip to slide, the limit portion in jack catch groove be equipped with the chute groove, the chute groove extend to the gleitbretter slide in, flexible scribing is inwards promoted flexible scribing through the jack catch and is slided at the chute inslot, stirs the spring and promotes flexible scribing again and outwards shift backward along with the jack catch when the jack catch outwards slides. The utility model discloses can prevent that the processing piece from getting into in the spout of the activity clamping of chuck.

Description

Spiral plate type three-jaw self-centering chuck pin prevention cover

Technical Field

The utility model relates to a spiral shell dish formula three-jaw is from centering chuck protection casing, especially a round pin cover is prevented to spiral shell dish formula three-jaw is from centering chuck belongs to the technical field of lathe part.

Background

The patent CN205290529U discloses a machine tool chuck protective cover. Its characteristics are including the protecting shield body, the protecting shield body up end is equipped with the guard plate, the protecting shield body on be provided with the activity clamping and place the mouth, the activity clamping is placed the mouth inboard and is installed movable shell fragment through activity shell fragment installing port. The structure is simple, and when the protective cover is used, the protective cover can be stably connected onto a machine tool chuck; the protection plate is arranged on the upper end surface of the protection cover body to prevent the protection cover body from being scalded and worn; the movable elastic sheet is positioned between the movable clamp placing opening and the movable clamp, and a plurality of V-shaped grooves are formed in the movable elastic sheet, so that when the movable clamp moves back and forth, the movable elastic sheet is pushed, can be compressed and stretched, can be always attached to the movable clamp, and prevents processing scraps from entering a movable clamp sliding groove; be connected with heat-proof device on the protective cover body, effectively prevent to add the high temperature piece that produces and scald lathe chuck protection casing man-hour.

Disclosure of Invention

To the not enough of above-mentioned problem existence, the utility model aims at providing a round pin cover is prevented from centering chuck by spiral shell dish formula three-jaw, include to be equipped with on 6 upper portions of chuck and prevent round pin cover, its characterized in that: the pin prevention cover consists of an upper cover 1, a telescopic scribing sheet 2, a toggle spring 3 and a bottom cover 4; a centering reinforcing rib 11 is arranged at the middle lower part of the circular bottom cover 4, and the centering reinforcing rib 11 is in friction clamping connection with a clamping port in the middle of the chuck 6 in a pressing mode; a claw groove 12 which is matched and corresponding to the claw 5 on the chuck 6 is arranged on the circular bottom cover 4; the telescopic scribing sheet 2 slides in a sliding sheet slide way 7 of the bottom cover 4, and the telescopic scribing sheet 2 is pushed by the clamping jaw 5 to slide to the opposite side of the clamping jaw groove 12 after passing through the center of the chuck.

Further, the claw 5 pushes the telescopic scribing sheet 2 to slide in a clamping manner back and forth in the claw groove 12. The width of the claw groove 12 is 27 mm to 28 mm.

Further, the width of the jaw slot 12 is 36 mm to 37 mm.

Further, the width of the jaw slot 12 is 22 mm to 23 mm.

Furthermore, the edge of the claw groove 12 is provided with a slide groove, and the slide groove extends into the slide chute 7.

Furthermore, the telescopic scribing sheet 2 is pushed inwards to slide in the slide way groove through the clamping jaw 5, and the spring 3 is stirred to push the telescopic scribing sheet 2 to move backwards along with the clamping jaw 5 when the clamping jaw 5 slides outwards.

Furthermore, six screw hole columns 8 and three spring clamping grooves 10 are arranged at the edges of three clamping claw grooves 12 of the bottom cover 4.

Furthermore, three screw hole columns 8 of the spring clamping groove 10 are provided with toggle springs 3.

Furthermore, the bending part of the other end of the toggle spring 3, which is clamped on the inner wall of the spring clamping groove 10, is hung on the rectangular opening at one end of the telescopic scribing sheet 2, so that the telescopic scribing sheet 2 slides back to the position along with the clamping jaw 5 after being pushed inwards by the clamping jaw 5.

Furthermore, the telescopic scribing sheet 2 is of a rectangular steel sheet structure, one end of the telescopic scribing sheet is provided with a rectangular opening, and the other end of the telescopic scribing sheet is provided with a U-shaped opening 13 which is matched and corresponds to the clamping jaw 5.

Further, a protective upper cover 1 is arranged on the upper portion of the bottom cover 4, and the upper cover 1 is also an external protective shell on the upper portion of the bottom cover 4.

Furthermore, the screw hole in the middle of the screw hole column 8 is connected with the screw hole on the upper cover 1 in a butt joint mode and then is screwed up through a screw.

The utility model has the advantages that: the machining chips are prevented from entering the slide grooves of the movable clips of the chuck 6.

Drawings

FIG. 1 is a schematic view of a known chuck assembly of the present invention;

FIG. 2 is a schematic top view of FIG. 1;

fig. 3 is an exploded schematic view of the present invention;

fig. 4 is a schematic perspective view of the upper cover 1;

FIG. 5 is a schematic top view of FIG. 4;

FIG. 6 is a schematic bottom view of FIG. 4;

fig. 7 is a schematic top view of the bottom cover 4;

fig. 8 is a schematic bottom view of the bottom cover 4;

fig. 9 is a schematic perspective view of the bottom cover 4;

FIG. 10 is a front view state diagram of FIG. 9;

FIG. 11 is a schematic view of the right side view of FIG. 9;

fig. 12 is a schematic structural view of the telescopic scribe 2;

FIG. 13 is a schematic bottom view of the structure of FIG. 12;

fig. 14 is a schematic diagram of the right side view of fig. 12.

In the figure: the upper cover comprises an upper cover 1, a telescopic scribing sheet 2, a toggle spring 3, a bottom cover 4, a clamping jaw 5, a chuck 6, a sliding sheet slide 7, a threaded hole column 8, an upper cover clamping jaw clamping groove 9, a spring clamping groove 10, a centering reinforcing rib 11, a clamping jaw groove 12 and a U-shaped opening 13.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that, as used in the following description, the terms "front," "rear," "left," "right," "upper," "lower," "bottom" and "top" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1, 3, 7, 8, 9 and 12, the screw disc type three-jaw self-centering chuck pin prevention cover is arranged at the upper part of a chuck 6 and consists of an upper cover 1, a telescopic scribing sheet 2, a toggle spring 3 and a bottom cover 4.

Furthermore, a centering reinforcing rib 11 is arranged at the middle lower part of the circular bottom cover 4, and the centering reinforcing rib 11 is connected with a clamping port in the middle of the chuck 6 in a friction clamping manner in a pressing manner.

Furthermore, a claw groove 12 matched and corresponding to the claw 5 on the chuck 6 is arranged on the circular bottom cover 4.

Further, the clamping jaws 5 push the telescopic scribing sheets 2 to slide in a clamping manner back and forth in the clamping jaw grooves 12.

Furthermore, the edge of the claw groove 12 is provided with a slide way groove, and the slide way groove extends into the slide way 7.

Furthermore, flexible scribing 2 inwards promotes flexible scribing 2 to slide through jack catch 5 in the slide groove, stirs spring 3 and promotes flexible scribing 2 again and outwards moves backward along with jack catch 5 when jack catch 5 outwards slides to the purpose of having guaranteed to play at any time and sealing chuck 6.

Furthermore, eight screw hole columns 8 and three spring clamping grooves 10 are arranged at the edges of three clamping claw grooves 12 of the bottom cover 4.

Furthermore, the retractable scribing sheet 2 is a rectangular rigid sheet structure, one end of the retractable scribing sheet is provided with a rectangular opening, and the other end of the retractable scribing sheet is provided with a U-shaped opening 13 which is matched and corresponds to the clamping jaw 5.

Furthermore, the upper protection cover 1 is arranged on the upper part of the bottom cover 4, the upper protection cover 1 is also an external protection shell on the upper part of the bottom cover 4, and the general structure of the upper protection cover and the bottom cover 4 can protect the components of the bottom cover 4 from being damaged easily.

Claims

1. The utility model provides a spiral shell dish formula three-jaw is from centering chuck and is prevented round pin cover, includes to be equipped with on chuck (6) upper portion and prevents round pin cover, its characterized in that: the pin prevention cover consists of an upper cover (1), a telescopic scribing sheet (2), a toggle spring (3) and a bottom cover (4); a centering reinforcing rib (11) is arranged at the middle lower part of the circular bottom cover (4), and the centering reinforcing rib (11) is in friction clamping connection with a clamping port in the middle of the chuck (6) in a pressing mode; a claw groove (12) which is matched and corresponding to the claw (5) on the chuck (6) is arranged on the circular bottom cover (4); the edge of the claw groove (12) is provided with a slide way groove which extends into the slide way (7); the telescopic scribing sheet (2) slides in a sliding sheet slide way (7) of the bottom cover (4), and the telescopic scribing sheet (2) is pushed by the clamping jaw (5) to slide to the opposite side of the clamping jaw groove (12) after passing through the center of the chuck.

2. The anti-pinning shield for the screw disk type three-jaw self-centering chuck according to claim 1, wherein: the width of the claw groove (12) is 27 mm to 28 mm.

3. The anti-pinning shield for the screw disk type three-jaw self-centering chuck according to claim 1, wherein: the width of the claw groove (12) is 36 mm to 37 mm.

4. The anti-pinning shield for the screw disk type three-jaw self-centering chuck according to claim 1, wherein: the width of the claw groove (12) is 22 mm to 23 mm.

5. The anti-pinning shield for the screw disk type three-jaw self-centering chuck according to claim 1, wherein: the telescopic scribing sheet (2) is pushed inwards to slide in the slide way groove through the clamping jaw (5), and when the clamping jaw (5) slides outwards, the spring (3) is stirred to push the telescopic scribing sheet (2) to move backwards outwards along with the clamping jaw (5).

6. The anti-pinning shield for the screw disk type three-jaw self-centering chuck according to claim 1, wherein: six screw hole columns (8) and three spring clamping grooves (10) are arranged at the edges of the three clamping claw grooves (12) of the bottom cover (4).

7. The anti-pinning shield for the screw disk type three-jaw self-centering chuck according to claim 6, wherein: and toggle springs (3) are also arranged on the three screw hole columns (8) of the spring clamping groove (10).

8. The anti-pinning shield for the three-jaw self-centering chuck according to claim 5 or 6, wherein: one end of the toggle spring (3) is clamped on the inner wall of the spring clamping groove (10), and the bent part at the other end is hung on the rectangular opening at one end of the telescopic scribing sheet (2), so that the telescopic scribing sheet (2) is pushed inwards by the clamping jaw (5) and then slides back along with the clamping jaw (5).

9. The anti-pinning shield for a three-jaw self-centering chuck according to claim 6 or 7, wherein: the telescopic scribing sheet (2) is of a rectangular rigid sheet structure, one end of the telescopic scribing sheet is provided with a rectangular opening, and the other end of the telescopic scribing sheet is provided with a U-shaped opening (13) which is matched and corresponds to the clamping jaw (5).

10. The anti-pinning shield for the screw disk type three-jaw self-centering chuck according to claim 6, wherein: the upper part of the bottom cover (4) is provided with a protective upper cover (1), and the upper cover (1) is also an external protective shell at the upper part of the bottom cover (4); and the screw hole in the middle of the screw hole column (8) is connected with the screw hole in the upper cover (1) in a butt joint mode and then is screwed up by a screw.