CN213614217U

CN213614217U - Three-jaw chuck for intelligent machine tool

Info

Publication number: CN213614217U
Application number: CN202022788239.3U
Authority: CN
Inventors: 付雷平
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-06
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses an intelligence three-jaw chuck for lathe, the on-line screen storage device comprises a base, the through-hole has been seted up at the base center, the through-hole center is provided with the pivot, the pivot runs through to rotate and is connected with sun gear, sun gear's external tooth and through-hole inner wall rotate the connection, base top sliding connection has the three slider that evenly sets up, slider top sliding connection has the fixed block, fixed block top fixedly connected with jack catch, the first shell cover of base top fixedly connected with. The utility model discloses in be provided with hydraulic telescoping rod, rack, sun gear, slider and fixed block, accomplished a plurality of jack catchs of hydraulic telescoping rod control through a series of actions and opened closed motion for the work of jack catch is intelligent more automatic.

Description

Three-jaw chuck for intelligent machine tool

Technical Field

The utility model relates to a frock clamp field especially relates to an intelligence three-jaw chuck for lathe.

Background

Currently, machine tools are commonly used in industrial production to machine various workpieces, and the machining process is generally divided into two types, one is to fix a tool and move a workpiece around the tool to complete machining, and the other is to fix the tool and move the workpiece around the workpiece to complete machining. In any machining mode, one of a tool and a workpiece needs to be clamped and fixed, and a common clamping device on a machine tool is a three-jaw chuck.

In the prior art, a three-jaw chuck consists of a chuck body, movable jaws and a jaw driving mechanism. Below the three jack catch guide part on the three-jaw chuck, there is the screw thread to mesh with the plane screw thread at the dish bevel gear back, when needing to pass through the hexagonal spanner and rotate little bevel gear through the square hole, dish gear revolve, and the plane screw thread at the back drives three jack catch simultaneously and is close to or withdraws from to the center, but the manual work is rotated the fixed jack catch inefficiency of hexagonal spanner, and the jack catch can not be fine presss from both sides tight work piece. And as the types of workpieces are increased, some workpieces need to be flexibly clamped, and the traditional clamping jaw can damage the structure of the workpieces, so that the flexible clamping jaw is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a three-jaw chuck for an intelligent machine tool.

In order to achieve the above purpose, the utility model adopts the following technical scheme: as a further description of the above technical solution: a three-jaw chuck for an intelligent machine tool comprises a base, wherein a through hole is formed in the center of the base, a rotating shaft is arranged in the center of the through hole, the rotating shaft penetrates through the rotating shaft and is rotatably connected with a central gear, the outer teeth of the central gear are rotatably connected with the inner wall of the through hole, three evenly-arranged sliding blocks are slidably connected to the top of the base, a fixed block is slidably connected to the top of the sliding block, a clamping jaw is fixedly connected to the top of the fixed block, a first shell is fixedly connected to the top of the base, three evenly-arranged second sliding grooves are formed in the top of the first shell, three evenly-arranged first sliding grooves are formed in the side surface of the first shell, a rack is arranged at the bottom of the base and is meshed with the central gear, a hydraulic telescopic rod is fixedly connected to any one end of the rack, the bottom of the base is fixedly connected with a second shell sleeve;

the jack catch working face is provided with a plurality of third spouts that evenly set up, third spout inner wall sliding connection has the guide block, the inside cylinder that is provided with of jack catch, be provided with communicating pipe between cylinder and the third spout, communicating pipe and third spout and cylinder through connection, the cylinder is kept away from the pipe that guide block one side fixedly connected with runs through the setting.

As a further description of the above technical solution:

and one side of the sliding block, which is close to the gear, is provided with a straight tooth, and the straight tooth is in external meshing connection with the central gear.

As a further description of the above technical solution:

the fixed block bottom fixedly connected with skewed tooth, slider top fixedly connected with skewed tooth, the fixed block passes through skewed tooth sliding connection with the slider.

As a further description of the above technical solution:

the second shell is arranged in a hollow mode, and the top of the rotating shaft is fixedly connected with the inner bottom wall of the second shell.

As a further description of the above technical solution:

the fixed block lateral wall sets up the recess, the second spout lateral wall sets up the arch, and protruding and recess inner wall sliding connection, the slider lateral wall sets up the recess, first spout lateral wall sets up the arch, and slider and first spout lateral wall pass through arch and recess sliding connection.

As a further description of the above technical solution:

the jack catch working section is provided with the stripe, the jack catch top is provided with the through type screw, the jack catch passes through screw fixed connection with the fixed block.

The utility model discloses following beneficial effect has:

1. the utility model discloses be provided with hydraulic telescoping rod, the rack, sun gear, slider and fixed block, drive rack motion through hydraulic telescoping rod, the rack drives the sun gear rather than meshing and being connected, sun gear rotates and drives and is linear motion rather than the slider of meshing, the slider drives the fixed block through the skewed tooth and has realized the motion with slider direction of motion looks vertically, a series of actions have accomplished the open closed motion of a plurality of jack catchs of hydraulic telescoping rod control, make the work of jack catch intelligent more automatic.

2. The utility model discloses be provided with first spout and second spout, through set up spacing recess in slider and fixed block side, set up the arch at first spout and second spout inner wall, realize the sliding motion of slider and fixed block, also played spacing fixed effect.

3. The utility model discloses be provided with guide block, cylinder and third spout, through the outside air pump of pipe switch-on, the air current gets into the cylinder, then flows in the third spout and promotes the guide block outwards movement, can realize the flexible clamping function of guide block and work piece.

Drawings

Fig. 1 is an external view of a three-jaw chuck for an intelligent machine tool according to the present invention;

fig. 2 is an internal structure view of a three-jaw chuck for an intelligent machine tool according to the present invention;

FIG. 3 is a top view of FIG. 2;

fig. 4 is a structural view of the inner bottom of the three-jaw chuck for the intelligent machine tool provided by the utility model;

fig. 5 is a cross-sectional view of the fixing block and the second chute of the three-jaw chuck for the intelligent machine tool provided by the present invention;

fig. 6 is the utility model provides a section view of the jack catch of three-jaw chuck for intelligent machine tool.

Illustration of the drawings:

1. a base; 2. a through hole; 3. a sun gear; 4. a rotating shaft; 5. a slider; 6. a fixed block; 7. a claw; 8. a shell; 9. a first chute; 10. a second chute; 11. a rack; 12. a hydraulic telescopic rod; 13. fixing a stop block; 14. a second shell; 15. a cylinder; 16. a conduit; 17. a third chute; 18. a communicating pipe; 19. and a guide block.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the present invention provides an embodiment: a three-jaw chuck for an intelligent machine tool comprises a base 1, a through hole 2 is arranged in the center of the base 1, a rotating shaft 4 is arranged in the center of the through hole 2, the rotating shaft 4 penetrates through the center gear 3 and is rotatably connected with the center gear 3, the outer teeth of the center gear 3 are rotatably connected with the inner wall of the through hole 2, three evenly-arranged sliding blocks 5 are slidably connected with the top of the base 1, a fixed block 6 is slidably connected with the top of each sliding block 5, a clamping jaw 7 is fixedly connected with the top of each fixed block 6, the clamping jaw 7 is mounted on the fixed block 6 through a screw, the mounting and dismounting are convenient, a first shell 8 is fixedly connected with the top of the base 1, three evenly-arranged second sliding grooves 10 are arranged on the top of the first shell 8, three evenly-arranged first sliding grooves 9 are arranged on the side surface of the first shell 8, the hydraulic telescopic rod 12 is a power source of the chuck device, a cylinder body of the hydraulic telescopic rod 12 is fixedly connected with a fixed stop block 13, the fixed stop block 13 is fixedly connected with the bottom of the base 1, the bottom of the base 1 is fixedly connected with a second shell sleeve 14, and the second shell sleeve 14 plays a role in fixedly supporting and protecting an internal structure;

the working face of the clamping jaw 7 is provided with a plurality of third sliding grooves 17 which are uniformly arranged, the inner wall of each third sliding groove 17 is slidably connected with a guide block 19, an air cylinder 15 is arranged inside the clamping jaw 7, a communicating pipe 18 is arranged between the air cylinder 15 and the third sliding grooves 17, the communicating pipe 18 is in through connection with the third sliding grooves 17 and the air cylinders 15, one side of the air cylinder 15, far away from the guide blocks 19, is fixedly connected with a guide pipe 16 which is arranged in a penetrating mode, an external air pump is communicated through the guide pipe 16, air flow enters the air cylinder 15, then the air flow flows into the third sliding grooves 17 to push the guide blocks 19 to move.

One side of the sliding block 5, which is close to the gear, is provided with straight teeth, the straight teeth are meshed with the central gear 3, and the central gear 3 is meshed with the straight teeth on the sliding block 5, so that the sliding block 5 is driven by the central gear 3 to move linearly. The fixed block 6 bottom fixedly connected with skewed tooth, the 5 top fixedly connected with skewed tooth of slider, fixed block 6 and slider 5 pass through skewed tooth sliding connection, and slider 5 drives fixed block 6 through skewed tooth and has realized the motion mutually perpendicular with slider 5 direction of motion, has realized being close to and keeping away from the action of a plurality of fixed blocks 6. The second shell 14 is hollow, and the top of the rotating shaft 4 is fixedly connected with the inner bottom wall of the second shell 14. The lateral wall of the fixed block 6 is provided with a groove, the lateral wall of the second sliding groove 10 is provided with a protrusion, the protrusion is connected with the inner wall of the groove in a sliding manner, the lateral wall of the sliding block 5 is provided with a groove, the lateral wall of the first sliding groove 9 is provided with a protrusion, the lateral wall of the sliding block 5 and the lateral wall of the first sliding groove 9 are connected in a sliding manner through the protrusion and the groove, the sliding motion of the sliding block 5 and the fixed block 6 is realized. The working section of the clamping jaw 7 is provided with stripes, the top of the clamping jaw 7 is provided with a through screw, the clamping jaw 7 is fixedly connected with the fixed block 6 through the screw, the clamping jaw 7 is convenient to mount, dismount and replace, and the design criteria are met.

The working principle is as follows: the telescopic motion of the hydraulic telescopic rod 12 drives the rack 11 to do linear motion, the rack 11 drives the central gear 3 connected with the rack in a meshed mode to rotate in a linear motion mode, the central gear 3 rotates and drives the sliding block 5 meshed with the central gear to do linear motion, the sliding block 5 drives the fixing block 6 through helical teeth to achieve motion perpendicular to the motion direction of the sliding block 5, a series of motions are achieved, the hydraulic telescopic rod 12 controls the plurality of clamping jaws 7 to open and close, an external air pump is connected through a guide pipe 16, air flow enters the air cylinder 15, then the air flow flows into the third sliding groove 17 to push the guide block 19 to move outwards, and the flexible clamping function of the guide block 19 and a workpiece can be.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an intelligence is three-jaw chuck for lathe, includes base (1), its characterized in that: the center of the base (1) is provided with a through hole (2), the center of the through hole (2) is provided with a rotating shaft (4), the rotating shaft (4) penetrates through and is rotatably connected with a central gear (3), the outer teeth of the central gear (3) are rotatably connected with the inner wall of the through hole (2), the top of the base (1) is slidably connected with three evenly-arranged sliding blocks (5), the top of each sliding block (5) is slidably connected with a fixed block (6), the top of each fixed block (6) is fixedly connected with a clamping jaw (7), the top of the base (1) is fixedly connected with a first shell (8), the top of each first shell (8) is provided with three evenly-arranged second sliding grooves (10), the side of each first shell (8) is provided with three evenly-arranged first sliding grooves (9), the bottom of the base (1) is provided with a rack (11), and the rack (11) is meshed, any end of the rack (11) is fixedly connected with a hydraulic telescopic rod (12), a cylinder body of the hydraulic telescopic rod (12) is fixedly connected with a fixed stop block (13), the fixed stop block (13) is fixedly connected with the bottom of the base (1), and the bottom of the base (1) is fixedly connected with a second shell sleeve (14);

jack catch (7) working face is provided with third spout (17) of a plurality of even settings, third spout (17) inner wall sliding connection has guide block (19), jack catch (7) inside is provided with cylinder (15), be provided with between cylinder (15) and third spout (17) communicating pipe (18), communicating pipe (18) and third spout (17) and cylinder (15) through connection, guide block (19) one side fixedly connected with runs through pipe (16) that sets up are kept away from in cylinder (15).

2. The three-jaw chuck for the intelligent machine tool according to claim 1, wherein: one side of the sliding block (5) close to the gear is provided with straight teeth, and the straight teeth are meshed with the central gear (3) externally.

3. The three-jaw chuck for the intelligent machine tool according to claim 1, wherein: the bottom of the fixed block (6) is fixedly connected with helical teeth, the top of the sliding block (5) is fixedly connected with helical teeth, and the fixed block (6) is connected with the sliding block (5) through the helical teeth in a sliding manner.

4. The three-jaw chuck for the intelligent machine tool according to claim 1, wherein: the second shell sleeve (14) is arranged in a hollow mode, and the top of the rotating shaft (4) is fixedly connected with the inner bottom wall of the second shell sleeve (14).

5. The three-jaw chuck for the intelligent machine tool according to claim 1, wherein: the fixed block (6) lateral wall sets up the recess, second spout (10) lateral wall sets up the arch, and protruding and recess inner wall sliding connection, slider (5) lateral wall sets up the recess, first spout (9) lateral wall sets up the arch, and slider (5) and first spout (9) lateral wall are through protruding and recess sliding connection.

6. The three-jaw chuck for the intelligent machine tool according to claim 1, wherein: the working section of the clamping jaw (7) is provided with stripes, the top of the clamping jaw (7) is provided with a through screw, and the clamping jaw (7) is fixedly connected with the fixed block (6) through the screw.