Floating type chuck

Abstract

The utility model discloses a floating type chuck which comprises a protective pipe, the left side of the protective pipe is closed, an annular plate is slidably connected to the position, close to the right side, in the protective pipe, a plurality of evenly-distributed movable grooves are formed in the annular plate, and positioning clamping jaws are slidably connected into the movable grooves. And penetrating holes matched with the positioning clamping jaws are formed in the inner walls of the movable grooves, the opposite sides of the multiple positioning clamping jaws penetrate through the through holes and extend into the annular plate, the right sides of the positioning clamping jaws are movably connected with a rotating plate, and the right side of the rotating plate is connected with two guide rails. By arranging the rotating plates capable of rotating mutually, the rod body can be stably clamped in the center of the device, clamping force is provided through the centrifugal force of the rotating plates, the rod body can be kept stable in the clamping process, the multiple rotating plates rotate synchronously, and the clamping effect is good. Therefore, after the whole device completes clamping, the automatic centering effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to chuck technical field, especially a floating chuck. BACKGROUND

[0002] For a long time, when rotating shaft parts are machined, all of them adopt self-centering chuck, hydraulic chuck and pneumatic chuck, which have the common feature that "clamping is positioning", and the self-centering chuck needs manual clamping and loosening, the hydraulic chuck needs to be separately installed with hydraulic station, and the pneumatic chuck also needs to be increased with pneumatic station, since they have the common feature that clamping and positioning are completed in one action, the reference of the machined part changes when the part is clamped and positioned for the second time or n times, the concentricity of the outer circle of the part cannot meet the technical requirement when the part is machined for the second time or n times, and the precision of the machined part can be met only by machining the part for the second time on the grinding machine, so that the machining process of the machined part is increased, the installation is complicated, and the auxiliary equipment is increased. SUMMARY

[0003] The utility model discloses a floating chuck which at least solves one of the technical problems in the prior art.

[0004] In order to achieve the above-mentioned purpose, a floating chuck is provided, which comprises a protection pipe, the left side of the protection pipe is closed, a circular ring plate is slidably connected to the right side in the protection pipe, a plurality of evenly distributed movable grooves are formed in the circular ring plate, a plurality of positioning clamping jaws are slidably connected in the movable grooves, a plurality of through holes matched with the positioning clamping jaws are formed in the inner wall of the movable grooves, the opposite sides of the positioning clamping jaws extend into the circular ring plate through the through holes, a rotating plate is movably connected to the right side of the positioning clamping jaw, two guide rails are connected to the right side of the rotating plate, a moving plate is slidably connected to the guide rails, and a floating clamping jaw is connected to the right side of the moving plate through bolts.

[0005] According to the floating chuck, the left side of the circular ring plate is connected to a butt joint pipe through bolts, the left side of the butt joint pipe is connected to a circular ring piece through bolts, a rotating bearing is sleeved in the circular ring piece, a rotating plate is sleeved in the rotating bearing, a plurality of arc-shaped grooves matched with the positioning clamping jaws are formed in the right side of the rotating plate, a circular rod is sleeved in the arc-shaped grooves, and the right end of the circular rod is connected to the left side wall of the positioning clamping jaw through bolts.

[0006] According to the floating chuck, the left side of the circular ring piece is connected to a circular shell through bolts, the right side of the circular shell is open, a driving motor is connected to the left side inner wall of the circular shell through bolts, and the output shaft right end of the driving motor is connected to the left side wall of the rotating plate through bolts.

[0007] According to the floating chuck, the circular ring plate, the butt joint pipe, the circular ring piece and the circular shell are sleeved in the protection pipe, a electric cylinder is connected to the left inner wall of the protection pipe through bolts, and the right end of a push rod on the electric cylinder is connected to the left side wall of the circular shell through bolts.

[0008] According to the floating chuck, the left side of the protection pipe is connected with a mounting flange through bolts, and mounting holes are mounted on the mounting flange.

[0009] The above scheme has at least one of the following beneficial effects: the rotating plate can be stably clamped in the center position of the device, and the device provides clamping force through the centrifugal force of the rotating plate itself, so that the rod body can remain stable during clamping, and the plurality of rotating plates are synchronously rotated, so that the entire device realizes automatic centering effect after clamping.

[0010] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0011] The present application will be further described below in combination with the drawings and embodiments;

[0012] Figure 1 It is a front view of the present application;

[0013] Figure 2 It is Figure 1 a cross-sectional structure schematic view;

[0014] Figure 3 It is Figure 1 a partial side view of rotating plate and moving plate and other components in the present application;

[0015] Figure 4 It is Figure 1 a partial side view of arc-shaped groove and circular rod and other components in the present application.

[0016] LEGEND:

[0017] 1, protection pipe; 2, mounting flange; 3, mounting hole; 4, circular ring plate; 5, movable groove; 6, positioning clamping jaw; 7, rotating plate; 8, electric cylinder; 9, moving plate; 10, floating chuck; 11, circular rod; 12, arc-shaped groove; 13, rotating plate; 14, circular ring piece; 15, rotating bearing; 16, butt joint pipe; 17, circular shell; 18, driving motor; 19, guide rail. DETAILED DESCRIPTION

[0018] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0019] Reference Figures 1 to 4 The utility model embodiment is a floating chuck, which includes a protective tube 1, the left side of the protective tube 1 is connected with a mounting flange 2 by bolts, and the mounting flange 2 is provided with a mounting hole 3, and the left side of the protective tube 1 is closed, and a circular ring plate 4 is slidably connected near the right side of the protective tube 1, and a number of evenly distributed movable grooves 5 are provided on the circular ring plate 4, and a positioning claw 6 is slidably connected in the movable groove 5, and a through hole matching the positioning claw 6 is provided on the inner wall of the movable groove 5, and the opposite sides of the several positioning claws 6 extend through the through hole into the circular ring plate 4, the right side of the positioning claw 6 is movably connected with a rotating plate 7, and the right side of the rotating plate 7 is connected to two guide rails 19, and a movable plate 9 is slidably connected to the guide rail 19, and a floating claw 10 is connected to the right side of the movable plate 9 by bolts.

[0020] The left side of the circular ring plate 4 is connected to the docking tube 16 by bolts, and the left side of the docking tube 16 is connected to the circular ring member 14 by bolts, and the circular ring member 14 is sleeved with a rotating bearing 15, and the rotating plate 13 is sleeved in the rotating bearing 15. The right side of the rotating plate 13 is provided with a number of arc grooves 12 that match the positioning claw 6. The arc groove 12 is sleeved with a round rod 11, and the right end of the round rod 11 is connected to the left side wall of the positioning claw 6 by bolts. The left side of the circular ring member 14 is connected to a circular shell 17 by bolts, and the right side of the circular shell 17 is opened. The left inner wall of the circular shell 17 is connected to the drive motor 18 by bolts, and the right end of the output shaft of the drive motor 18 is connected to the left side wall of the rotating plate 13 by bolts. Through this structure, by setting up rotating plates 7 that can rotate with each other, the rod body can be stably clamped in the center position of the device, and the device provides clamping force through the centrifugal force of the rotating plate 7 itself, so that the rod body can remain stable during the clamping process, and multiple rotating plates rotate synchronously, so that the entire device can achieve an automatic centering effect after completing the clamping.

[0021] Circular plate 4, butt-jointing tube 16, circular ring member 14, and circular housing 17 are externally mounted within protective tube 1. An electric cylinder 8 is bolted to the left inner wall of protective tube 1, and the right end of the push rod on electric cylinder 8 is also bolted to the left sidewall of circular housing 17. This structure allows components such as floating claw 10 to be moved in and out of protective tube 1, providing effective protection and allowing for adjustment of their position.

[0022] Working principle: the technical scheme is used firstly through the installation flange 1 and the installation hole 3 and is installed in the required position on the protection pipe 1, then the push rod of the protection pipe 8 extends to the right and drives the circular ring piece 14, the butt joint pipe 16 and the circular ring plate 4 to move out of the protection pipe 1, can realize the effective protection to it, can realize the adjustment to its position simultaneously, then the positive rotation or reverse rotation of the driving motor 18 drives the rotation plate 13 to rotate, at this time, under the cooperation of the arc-shaped groove 12 and the circular rod 11, the positioning claw 6 moves up or down in the movable slot 5, makes several positioning claws 6 far away or close together, and the positioning claw 6 drives the moving plate 9 and the floating claw 10 to be far away or close together through the rotating plate 7, through the setting, the rotating plate 7 can be rotated, so that the rod body can be stably clamped in the center position of the device, and the device provides the clamping force through the centrifugal force of the rotating plate 7 itself, so that the rod body can remain stable during clamping, and the plurality of rotating plates are synchronously rotated, so that the whole device realizes the effect of automatic centering after clamping.

[0023] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A floating chuck, characterized in that: include: A protective tube (1) is provided, and the left side of the protective tube (1) is closed. A circular plate (4) is slidably connected to the right side of the protective tube (1). The circular plate (4) is provided with a plurality of evenly distributed movable grooves (5). A positioning claw (6) is slidably connected to the movable groove (5). A through hole matching the positioning claw (6) is provided on the inner wall of the movable groove (5). The opposite sides of the plurality of positioning claws (6) extend through the through hole into the circular plate (4). The right side of the positioning claw (6) is movably connected to a rotating plate (7), and the right side of the rotating plate (7) is connected to two guide rails (19). A movable plate (9) is slidably connected to the guide rail (19). The right side of the movable plate (9) is connected to a floating claw (10) by bolts.

2. A floating chuck according to claim 1, characterized in that: The left side of the circular plate (4) is connected to a butt joint pipe (16) by bolts, and the left side of the butt joint pipe (16) is connected to a circular ring member (14) by bolts, and a rotating bearing (15) is sleeved in the circular ring member (14), and a rotating plate (13) is sleeved in the rotating bearing (15). The right side of the rotating plate (13) is provided with a plurality of arc grooves (12) matching with the positioning claws (6), and a round rod (11) is sleeved in the arc grooves (12), and the right end of the round rod (11) is connected to the left side wall of the positioning claw (6) by bolts.

3. A floating chuck according to claim 2, characterized in that: The left side of the circular ring (14) is connected to a circular housing (17) by bolts, and the right side of the circular housing (17) is open. The left inner wall of the circular housing (17) is connected to a driving motor (18) by bolts, and the right end of the output shaft of the driving motor (18) is connected to the left side wall of the rotating plate (13) by bolts.

4. A floating chuck according to claim 1, characterized in that: The annular plate (4), the butt-jointed tube (16), the annular member (14) and the circular shell (17) are disposed in a protective tube (1). An electric cylinder (8) is connected to the left inner wall of the protective tube (1) via bolts, and the right end of the push rod on the electric cylinder (8) is connected to the left side wall of the circular shell (17) via bolts.

5. The floating chuck according to claim 1, characterized in that: The left side of the protection tube (1) is connected to a mounting flange (2) via bolts, and a mounting hole (3) is installed on the mounting flange (2).

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