CN114799249A - Rotatable pneumatic chuck clamping device - Google Patents

Abstract

The invention discloses a rotatable pneumatic chuck clamping device, and relates to the technical field of pneumatic chucks. The bottom fixed mounting of second supporting seat has the motor, the power drive end fixedly connected with die clamping cylinder of motor, die clamping cylinder's flexible end cover has connect the base, the outside of base articulates respectively has the equidistant first pinch-off blades of a plurality of groups, the inside of every first pinch-off blade all articulates there is a second pinch-off blade, the one end of every second pinch-off blade all articulates there is a third pinch-off blade, the one end of third pinch-off blade runs through the lateral wall of chuck body and meets bottom the jack catch, so when using, can carry out corresponding tight regulation of clamp according to the external diameter size of work piece, thereby the tight dynamics of clamp has been ensured, the flexibility and the commonality of use have been improved, the rotation to the chuck body has still been realized simultaneously, all-round angle adjustment when having ensured man-hour, the staff round trip to run, the problem of increase physical demands has been solved.

Description

Rotatable pneumatic chuck clamping device

Technical Field

The invention relates to the technical field of pneumatic chucks, in particular to a rotatable pneumatic chuck clamping device.

Background

Chucks are mechanical devices used to clamp workpieces on machine tools. The machine tool accessory clamps and positions a workpiece by utilizing the radial movement of movable clamping jaws uniformly distributed on a chuck body. The chuck generally comprises a chuck body, a movable jaw and a jaw driving mechanism. The diameter of the chuck body is 65 mm at minimum and can reach 1500 mm at maximum, and a through hole is formed in the center of the chuck body so as to facilitate the workpiece or bar stock to pass through; the back part is provided with a cylindrical or short conical structure and is connected with the end part of a main shaft of the machine tool directly or through a flange plate. Chucks are commonly used in lathes, cylindrical grinders and internal grinders, and may also be used in conjunction with various indexing devices for milling and drilling machines.

The existing chuck is of a fixed structure when in use, and cannot realize integral rotation, so that the use convenience is reduced, in addition, the clamping jaws are clamped in a bolt fixing mode, the clamping effect is poor, and flexible adjustment cannot be performed according to the outer diameter of a workpiece, so that a rotatable pneumatic chuck clamping device is provided by workers in the field.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a rotatable pneumatic chuck clamping device, which solves the problems that the existing chuck is of a fixed structure and cannot realize integral rotation when in use, so that the use convenience is reduced, in addition, the clamping jaws are clamped in a bolt fixing mode, the clamping effect is poor, and flexible adjustment cannot be carried out according to the outer diameter of a workpiece.

In order to realize the purpose, the invention is realized by the following technical scheme: a rotatable pneumatic chuck clamping device comprises a supporting frame, wherein a first supporting seat is fixedly installed at the top of the supporting frame, a rotary clamping assembly is rotatably connected inside the first supporting seat, and a clamping jaw is slidably installed inside the rotary clamping assembly;

the rotary clamping assembly comprises a chuck body and a second supporting seat, a motor is fixedly mounted at the bottom of the second supporting seat, a clamping cylinder is fixedly connected with a power driving end of the motor, a base is sleeved at the telescopic end of the clamping cylinder, a plurality of groups of equidistant first clamping plates are hinged to the outer side of the base respectively, and each first clamping plate is hinged to the inner portion of the first clamping plate and is hinged to a second clamping plate and a third clamping plate, and a workpiece placing ring is fixedly mounted at the other end of the second clamping plate through a bolt.

Preferably, a plurality of groups of sliding grooves which are distributed in a circumferential manner and are equidistant are formed in the chuck body, and the clamping jaws are located in the sliding grooves.

Preferably, the bottom of the chuck body is provided with a groove, and the base, the first clamping plate, the second clamping plate, the third clamping plate and the workpiece placing ring are all located inside the groove.

Preferably, one end of the third clamping plate penetrates through the side wall of the chuck body and is connected with the bottoms of the clamping jaws, and a placing groove hole is formed in the circle center of the chuck body.

Preferably, the workpiece placing ring corresponds to the workpiece placing groove hole in position, the workpiece placing ring and the workpiece placing ring are identical in diameter, and the workpiece is arranged in the workpiece placing groove hole and the workpiece placing ring in a penetrating mode.

Preferably, the centre of a circle of chuck body and second supporting seat is located same vertical line, the chuck body is located the top of first supporting seat, the bottom of first supporting seat forms fixed connection structure through a plurality of equidistant support columns of group and second supporting seat.

Advantageous effects

The invention provides a rotatable air chuck clamping device. Compared with the prior art, the method has the following beneficial effects:

1. a rotatable pneumatic chuck clamping device is characterized in that a motor is fixedly mounted at the bottom of a second supporting seat, a clamping cylinder is fixedly connected with a power driving end of the motor, a base is sleeved at a telescopic end of the clamping cylinder, a plurality of groups of equidistant first clamping plates are respectively hinged to the outer side of the base, a second clamping plate is hinged to the inner part of each first clamping plate, one end of each second clamping plate is hinged to a third clamping plate, a workpiece placing ring is fixedly mounted at the other end of each second clamping plate through a bolt, one end of each third clamping plate penetrates through the side wall of a chuck body and is connected with the bottom of a clamping jaw, so that when the device is used, corresponding clamping adjustment can be carried out according to the outer diameter of a workpiece, clamping force is also ensured, the flexibility and the universality of use are improved, in addition, the rotation of the chuck body is also realized, and the omnibearing angle adjustment during processing is ensured, the problem of staff's round trip to run, increase physical demands is solved to the convenience and the practicality of use have been improved.

Drawings

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

FIG. 2 is a schematic structural view of a rotary clamping assembly of the present invention;

fig. 3 is an enlarged view of a in fig. 2.

In the figure: 1. a support frame; 2. a first support base; 3. a rotating clamping assembly; 31. a chuck body; 32. a second support seat; 33. a motor; 34. a clamping cylinder; 35. a base; 36. a first clamping plate; 37. a second clamping plate; 38. a third clamping plate; 39. a workpiece placing ring; 310. a groove; 4. a support pillar; 5. a chute; 6. a claw; 7. placing the slotted hole; 8. and (5) a workpiece.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a rotatable pneumatic chuck clamping device, including support frame 1, the top fixed mounting of support frame 1 has first supporting seat 2, the bottom of first supporting seat 2 forms fixed connection structure through support column 4 and second supporting seat 32 of a plurality of equidistance of group, the inside of first supporting seat 2 is rotated and is connected with rotary clamping assembly 3, rotary clamping assembly 3's inside slidable mounting has jack catch 6, a plurality of equidistance of group and the spout 5 that is circumference form and distributes are seted up to chuck body 31's inside, jack catch 6 is located the inside of spout 5, it has work piece 8 to place slotted hole 7 and work piece and place the inside of ring 39 and run through jointly.

Referring to fig. 2-3, the rotary clamping assembly 3 includes a chuck body 31 and a second supporting seat 32, the centers of circles of the chuck body 31 and the second supporting seat 32 are located on the same vertical line, the chuck body 31 is located above the first supporting seat 2, a placing slot 7 is formed at the center of circle of the chuck body 31, a motor 33 is fixedly installed at the bottom of the second supporting seat 32, a clamping cylinder 34 is fixedly connected to a power driving end of the motor 33, a base 35 is sleeved at a telescopic end of the clamping cylinder 34, a plurality of groups of equidistant first clamping plates 36 are respectively hinged to the outer side of the base 35, a second clamping plate 37 is hinged to the inside of each first clamping plate 36, a third clamping plate 38 is hinged to one end of each second clamping plate 37, one end of the third clamping plate 38 penetrates through the side wall of the chuck body 31 and is connected to the bottom of the clamping jaw 6, and a workpiece placing ring 39 is fixedly installed at the other end through a bolt, the workpiece placing ring 39 corresponds to the position of the placing slot 7, the diameters of the workpiece placing ring and the placing slot 7 are the same, the bottom of the chuck body 31 is provided with a groove 310, and the base 35, the first clamping plate 36, the second clamping plate 37, the third clamping plate 38 and the workpiece placing ring 39 are all located inside the groove 310.

When in use, a workpiece 8 penetrates through the inside of the placing slot hole 7 and the workpiece placing ring 39 at the same time, then the clamping cylinder 34 can be started, the base 35 can be pulled by the telescopic end of the clamping cylinder, a plurality of groups of equidistant first clamping plates 36 are respectively hinged on the outer side of the base 35, a second clamping plate 37 is hinged inside each first clamping plate 36, one end of each second clamping plate 37 is hinged with a third clamping plate 38, one end of each third clamping plate 38 penetrates through the side wall of the chuck body 31 and is connected with the bottom of each clamping jaw 6, and each clamping jaw 6 is positioned inside the sliding groove 5, so when the base 35 moves downwards, the second clamping plates 37 and the third clamping plates 38 can be simultaneously driven to do contraction movement under the action of the first clamping plates 36, the clamping jaws 6 inside the sliding grooves 5 can be driven to simultaneously move inwards, finally, the workpiece 8 can be clamped, and after the clamping is finished, the workpiece 8 can be more accurately processed if necessary, at this moment, the motor 33 can be started, the power driving end of the motor can drive the clamping cylinder 34 to synchronously rotate, and the chuck body 31 is positioned right above the first supporting seat 2, so that the chuck body 31 and the workpiece 8 clamped in the chuck body can be integrally driven to rotate finally, the workpiece 8 can be machined in an all-round mode, the use convenience and flexibility are improved, and the worker does not need to run back and forth.

In the application document, a motor is fixedly arranged at the bottom of a second supporting seat, a clamping cylinder is fixedly connected with a power driving end of the motor, a base is sleeved at a telescopic end of the clamping cylinder, a plurality of groups of equidistant first clamping plates are respectively hinged to the outer side of the base, a second clamping plate is hinged to the inner part of each first clamping plate, one end of each second clamping plate is hinged to a third clamping plate, the other end of each second clamping plate is jointly and fixedly provided with a workpiece placing ring through a bolt, one end of each third clamping plate penetrates through the side wall of a chuck body and is connected with the bottom of a clamping jaw, so that when the clamping device is used, corresponding clamping adjustment can be carried out according to the outer diameter of a workpiece, clamping force is also ensured, the flexibility and the universality of use are improved, in addition, the rotation of the chuck body is also realized, and the omnibearing angle adjustment during processing is ensured, the problem of staff's round trip to run, increase physical demands is solved to the convenience and the practicality of use have been improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 (6)

1. A rotatable pneumatic chuck clamping device comprises a support frame (1) and is characterized in that a first support seat (2) is fixedly mounted at the top of the support frame (1), a rotary clamping assembly (3) is rotatably connected inside the first support seat (2), and a clamping jaw (6) is slidably mounted inside the rotary clamping assembly (3);

rotatory clamping component (3) include chuck body (31) and second supporting seat (32), the bottom fixed mounting of second supporting seat (32) has motor (33), the power drive end fixedly connected with die clamping cylinder (34) of motor (33), base (35) have been cup jointed to the flexible end of die clamping cylinder (34), the outside of base (35) articulates respectively has equidistant first clamp plate (36) of a plurality of groups, every the inside of first clamp plate (36) all articulates there is a second clamp plate (37), every the one end of second clamp plate (37) all articulates there is a third clamp plate (38), and the other end then has a work piece to place ring (39) through the common fixed mounting of bolt.

2. The rotatable pneumatic chuck clamping device according to claim 1, wherein the chuck body (31) has a plurality of sets of sliding grooves (5) formed therein, the sliding grooves being circumferentially distributed and being equidistant, and the jaws (6) are disposed inside the sliding grooves (5).

3. The rotatable air chuck clamping device according to claim 1, characterized in that the bottom of the chuck body (31) is provided with a groove (310), and the base (35), the first clamping plate (36), the second clamping plate (37), the third clamping plate (38) and the workpiece placing ring (39) are all located inside the groove (310).

4. The rotatable pneumatic chuck clamping device according to claim 1, wherein one end of the third clamping plate (38) penetrates through the side wall of the chuck body (31) and is connected with the bottom of the clamping jaw (6), and a slot (7) is arranged at the center of the chuck body (31).

5. A rotatable air chuck clamping device according to claim 4, characterized in that the workpiece placing ring (39) corresponds to the position of the placing slot (7) and has the same diameter, and the placing slot (7) and the workpiece placing ring (39) jointly penetrate the workpiece (8) through the inner part thereof.

6. The rotatable air chuck clamping device according to claim 1, characterized in that the centers of the circle of the chuck body (31) and the circle of the second supporting seat (32) are located on the same vertical line, the chuck body (31) is located above the first supporting seat (2), and the bottom of the first supporting seat (2) forms a fixed connection structure with the second supporting seat (32) through a plurality of groups of equidistant supporting columns (4).

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