CN218517737U

CN218517737U - Pneumatic and hydraulic dual-purpose chuck for lathe

Info

Publication number: CN218517737U
Application number: CN202222904373.4U
Authority: CN
Inventors: 韩明玉
Original assignee: Harbin Cambridge University
Current assignee: Harbin Cambridge University
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-02-24
Anticipated expiration: 2032-11-02

Abstract

The utility model provides a lathe atmospheric pressure hydraulic pressure dual-purpose chuck, include: a chuck body; the lower end of the chuck body is connected with a flange, a connecting hole is formed in the flange, a placing groove is formed in the upper end of the chuck body, a chuck sliding groove is formed in the surface of the chuck body, a three-jaw chuck is connected in the chuck sliding groove, a threaded hole is formed in the bottom of the chuck body, a pressurizing screw is connected in the threaded hole, one end of the pressurizing screw is connected with a pressurizing piston, a lower hydraulic cavity is formed in one end of the threaded hole, an upper hydraulic cavity is connected to the upper end of the lower hydraulic cavity, and a hydraulic piston is connected to one end of the upper hydraulic cavity; the utility model discloses an improvement to a lathe atmospheric pressure hydraulic pressure dual-purpose chuck, through the setting of atmospheric pressure coupling and hydraulic piston, can realize hydraulic pressure or atmospheric pressure dual-purpose, simple structure, the low price is efficient also high, has structural design reasonable to effectual problem and the not enough that has solved current device and appear.

Description

Pneumatic and hydraulic dual-purpose chuck for lathe

Technical Field

The utility model relates to a lathe chuck technical field, more specifically the theory that says so especially relates to a lathe pneumatic pressure hydraulic pressure dual-purpose chuck.

Background

The chuck is a mechanical device used for clamping a workpiece on a machine tool, and is a machine tool accessory for clamping and positioning the workpiece by utilizing the radial movement of movable clamping jaws uniformly distributed on a chuck body, and generally consists of three parts, namely the chuck body, the movable clamping jaws and a clamping jaw driving mechanism; 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.

In the existing chuck products, the power sources for clamping are mainly two main methods of manpower and electric power, and the chuck using the user force as the power is limited by the force of the user, so that the labor intensity of use is high, and the efficiency is low; the chuck using electric power has a complicated structure and high cost, and has low safety performance due to the use of electric power as power.

In view of the above, research and improvement are carried out on the existing problems, and a lathe pneumatic and hydraulic dual-purpose chuck is provided, which has a reasonable structural design, can realize hydraulic or pneumatic dual-purpose through the arrangement of a pneumatic pipe joint and a hydraulic piston, has a simple structure, is low in price and high in efficiency, ensures safety, and aims to achieve the purposes of solving the problems and improving the practical value through the technology.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lathe atmospheric pressure hydraulic pressure dual-purpose chuck to the problem that proposes in solving above-mentioned background art is with not enough.

In order to achieve the above object, the utility model provides a lathe pneumatic and hydraulic dual-purpose chuck, which is achieved by the following concrete technical means:

a lathe pneumatic and hydraulic chuck comprising: the hydraulic oil pressure device comprises a chuck body, a flange, a connecting hole, a placing groove, a chuck sliding groove, a three-jaw chuck, a threaded hole, a pressurizing screw, a pressurizing piston, a lower hydraulic cavity, an upper hydraulic cavity, a hydraulic piston, a pressure spring, a pneumatic pipe joint, an air groove, a baffle, a hydraulic oil input hole and a hole cover; the lower extreme fixedly connected with flange of chuck body, the inside of flange is provided with the connecting hole, the standing groove has been seted up to the upper end of chuck body, chuck body surface is provided with the chuck spout, the inside sliding connection of chuck spout has three-jaw chuck, the threaded hole has been seted up to the bottom of chuck body, the inside threaded connection of threaded hole has the forcing screw, the one end swing joint of forcing screw has the pressurization piston, the one end of threaded hole is provided with down the hydraulic pressure chamber, the upper end in hydraulic pressure chamber is provided with the hydraulic pressure chamber down, the one end swing joint in last hydraulic pressure chamber has the hydraulic piston, the one end swing joint of hydraulic piston has pressure spring, the atmospheric pressure coupling is installed to the bottom of chuck body, the one end of atmospheric pressure coupling is provided with the air groove, the one end of air groove is provided with the baffle, the input hole has been seted up to one side of chuck body, the inside swing joint in hydraulic oil input hole has the handhole door.

As this technical scheme's further optimization, the utility model relates to a lathe atmospheric pressure hydraulic pressure dual-purpose chuck spout and three-jaw chuck sliding connection, three-jaw chuck and hydraulic piston fixed connection.

As a further optimization of this technical scheme, the utility model relates to a lathe atmospheric pressure hydraulic pressure dual-purpose chuck the quantity of three-jaw chuck is three, the quantity in last hydraulic chamber is three.

As the further optimization of this technical scheme, the utility model relates to a lathe atmospheric pressure hydraulic pressure dual-purpose chuck hydraulic piston's surface is provided with unsmooth piece, hydraulic piston and last hydraulic chamber sliding connection.

As a further optimization of this technical scheme, the utility model relates to a lathe atmospheric pressure hydraulic pressure dual-purpose chuck the inside of air groove is provided with the baffle, baffle accessible air inslot portion slides for seal and open the air groove and be connected with lower hydraulic chamber.

As this technical scheme's further optimization, the utility model relates to a lathe atmospheric pressure hydraulic pressure dual-purpose chuck hydraulic oil input hole and handhole door swing joint, handhole door one end has the connection bull stick, the handhole door rotates with the chuck body to be connected.

Because of the application of above-mentioned technical scheme, compared with the prior art, the utility model has the following advantage:

1. the utility model relates to a dual-purpose chuck of lathe atmospheric pressure hydraulic pressure passes through the setting of screw hole and forcing screw, can make the inside of chuck body carry out hydraulic pressure operation to the three-jaw chuck through hydraulic oil.

2. The utility model relates to a dual-purpose chuck of lathe atmospheric pressure hydraulic pressure passes through the setting of atmospheric pressure coupling with the air groove, can make chuck body inside can carry out atmospheric pressure operation to the three-jaw chuck through ventilating.

3. The utility model relates to a dual-purpose chuck of lathe atmospheric pressure hydraulic pressure passes through the setting of baffle, can make atmospheric pressure passageway and hydraulic pressure passageway keep apart, has improved the security.

4. The utility model discloses a to the improvement of a lathe atmospheric pressure hydraulic pressure dual-purpose chuck, it is reasonable to have structural design, through the setting of atmospheric pressure coupling and hydraulic piston, can realize hydraulic pressure or atmospheric pressure dual-purpose, simple structure, the low price efficiency is also higher, has also ensured the security, thereby effectual solution the utility model discloses the problem that proposes in background art one with not enough.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

fig. 1 is a three-dimensional view of the pneumatic and hydraulic dual-purpose chuck of the lathe of the present invention;

fig. 2 is an internal perspective view of a pneumatic/hydraulic dual-purpose lathe chuck according to the present invention;

fig. 3 is a three-dimensional bottom view of the pneumatic and hydraulic dual-purpose chuck of the lathe of the present invention.

In the figure: the hydraulic clamping device comprises a clamping chuck body 1, a flange 2, a connecting hole 3, a placing groove 4, a clamping chuck sliding groove 5, a three-jaw clamping chuck 6, a threaded hole 7, a pressurizing screw 8, a pressurizing piston 9, a lower hydraulic cavity 10, an upper hydraulic cavity 11, a hydraulic piston 12, a pressure spring 13, an air pressure pipe joint 14, an air groove 15, a baffle 16, a hydraulic oil input hole 17 and a hole cover 18.

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.

It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, rather than to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. 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 to 3, the present invention provides a specific technical implementation of a pneumatic and hydraulic dual-purpose chuck for a lathe:

a lathe pneumatic and hydraulic chuck comprising: the hydraulic clamping device comprises a clamping chuck body 1, a flange 2, a connecting hole 3, a placing groove 4, a clamping chuck sliding groove 5, a three-jaw clamping chuck 6, a threaded hole 7, a pressurizing screw 8, a pressurizing piston 9, a lower hydraulic cavity 10, an upper hydraulic cavity 11, a hydraulic piston 12, a pressure spring 13, an air pressure pipe joint 14, an air groove 15, a baffle 16, a hydraulic oil input hole 17 and a hole cover 18; lower extreme fixedly connected with flange 2 of chuck body 1, the inside of flange 2 is provided with connecting hole 3, standing groove 4 has been seted up to the upper end of chuck body 1, chuck body 1 surface is provided with chuck spout 5, the inside sliding connection of chuck spout 5 has three-jaw chuck 6, threaded hole 7 has been seted up to the bottom of chuck body 1, the inside threaded connection of threaded hole 7 has pressurized screw 8, pressurized screw 8's one end swing joint has pressurized piston 9, the one end of threaded hole 7 is provided with down hydraulic pressure chamber 10, the upper end of lower hydraulic pressure chamber 10 is provided with upper hydraulic pressure chamber 11, the one end swing joint of upper hydraulic pressure chamber 11 has hydraulic piston 12, the one end swing joint of hydraulic piston 12 has pressure spring 13, pneumatic hydraulic oil coupling 14 is installed to the bottom of chuck body 1, pneumatic oil coupling 14's one end is provided with air groove 15, the one end of air groove 15 is provided with baffle 16, hydraulic oil input hole 17 has been seted up to one side of chuck body 1, the inside swing joint of input hole 17 has handhole door 18.

Specifically, as shown in fig. 1 and fig. 2, the chuck runner 5 is slidably connected to the three-jaw chuck 6, the three-jaw chuck 6 is fixedly connected to the hydraulic piston 12, and the three-jaw chuck 6 can be moved and fixed by pressing the hydraulic piston 12.

Specifically, as shown in fig. 1 and 2, the three-jaw chucks 6 are three in number, and the upper hydraulic chambers 11 are three in number, so that the fixed object can be grasped more effectively.

Specifically, as shown in fig. 2, a concave-convex block is arranged on the surface of the hydraulic piston 12, and the hydraulic piston 12 is slidably connected with the upper hydraulic cavity 11, so that hydraulic oil can be protected from penetrating through the hydraulic piston 12, and the working efficiency is guaranteed.

Specifically, as shown in fig. 2, a baffle 16 is disposed inside the air slot 15, and the baffle 16 can slide through the inside of the air slot 15 to close and open the connection between the air slot 15 and the lower hydraulic chamber 10, so as to effectively close the air slot 15 and improve safety.

Specifically, as shown in fig. 2 and fig. 3, the hydraulic oil inlet 17 is movably connected to the hole cover 18, a connecting rod is disposed at one end of the hole cover 18, and the hole cover 18 is rotatably connected to the chuck body 1, so as to effectively seal the hydraulic oil inlet 17 and prevent leakage of hydraulic oil.

The method comprises the following specific implementation steps:

when the hydraulic pressure is used for operation, firstly, the pressurizing screw 8 is rotated outwards, then the hole cover 18 is opened, hydraulic oil is input into the hydraulic oil input hole 17, after the hydraulic oil is filled, the hole cover 18 is tightly covered, an object to be fixed is placed in the placing groove 4, by rotating the pressurizing screw 8 inwards, the hydraulic oil in the upper hydraulic cavity 11 is pressed inwards, the pressure spring 13 is tightened, the hydraulic piston 12 moves inwards, and meanwhile, the three-jaw chuck 6 is driven to move inwards to fix the object; when the pneumatic chuck is used for operation, the pneumatic pipe joint 14 is ventilated, the baffle 16 is opened, the gas presses the pressure spring 13 through the upper hydraulic cavity 11, the hydraulic piston 12 moves inwards, and meanwhile, the three-jaw chuck 6 is driven to move inwards to fix an object; the pneumatic and hydraulic dual-purpose chuck for the lathe has the advantages of reasonable structural design, simple structure, low price, high efficiency and safety, and can realize hydraulic or pneumatic dual purposes by arranging the pneumatic pipe joint 14 and the hydraulic piston 12.

In summary, the following steps: according to the lathe pneumatic and hydraulic dual-purpose chuck, the arrangement of the threaded hole and the pressurizing screw enables the interior of the chuck body to carry out hydraulic operation on the three-jaw chuck through hydraulic oil; through the arrangement of the air pressure pipe joint and the air groove, the interior of the chuck body can carry out air pressure operation on the three-jaw chuck through ventilation; the arrangement of the baffle plate can separate the air pressure channel from the hydraulic channel, thereby improving the safety; through the improvement to a lathe atmospheric pressure hydraulic pressure dual-purpose chuck, it is reasonable to have structural design, and hydraulic pressure or atmospheric pressure dual-purpose can be realized to the setting of atmospheric pressure coupling and hydraulic piston, simple structure, and the low price efficiency is also higher, has also ensured the security, thereby effectual solution the utility model discloses the problem that proposes in background art is with not enough.

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

1. A lathe pneumatic and hydraulic chuck comprising: the hydraulic clamping device comprises a clamping chuck body (1), a flange (2), a connecting hole (3), a placing groove (4), a clamping chuck sliding groove (5), a three-jaw clamping chuck (6), a threaded hole (7), a pressurizing screw (8), a pressurizing piston (9), a lower hydraulic cavity (10), an upper hydraulic cavity (11), a hydraulic piston (12), a pressure spring (13), a pneumatic pipe joint (14), an air groove (15), a baffle plate (16), a hydraulic oil input hole (17) and a hole cover (18); the method is characterized in that: the lower end of the chuck body (1) is fixedly connected with a flange (2), a connecting hole (3) is arranged inside the flange (2), a placing groove (4) is arranged at the upper end of the chuck body (1), a chuck sliding groove (5) is arranged on the surface of the chuck body (1), the inside of the chuck chute (5) is connected with a three-jaw chuck (6) in a sliding way, the bottom of the chuck body (1) is provided with a threaded hole (7), the internal thread of the threaded hole (7) is connected with a pressure screw (8), one end of the pressurizing screw (8) is movably connected with a pressurizing piston (9), one end of the threaded hole (7) is provided with a lower hydraulic cavity (10), the upper end of the lower hydraulic cavity (10) is provided with an upper hydraulic cavity (11), one end of the upper hydraulic cavity (11) is movably connected with a hydraulic piston (12), one end of the hydraulic piston (12) is movably connected with a pressure spring (13), the bottom of the chuck body (1) is provided with a pneumatic pipe joint (14), one end of the pneumatic pipe joint (14) is provided with an air groove (15), one end of the air groove (15) is provided with a baffle plate (16), one side of the chuck body (1) is provided with a hydraulic oil input hole (17), and a hole cover (18) is movably connected inside the hydraulic oil input hole (17).

2. The pneumatic-hydraulic dual-purpose lathe chuck as claimed in claim 1, wherein: chuck spout (5) and three-jaw chuck (6) sliding connection, three-jaw chuck (6) and hydraulic piston (12) fixed connection.

3. The pneumatic-hydraulic dual-purpose lathe chuck as claimed in claim 1, wherein: the number of the three-jaw chucks (6) is three, and the number of the upper hydraulic cavities (11) is three.

4. The pneumatic-hydraulic dual-purpose lathe chuck as claimed in claim 1, wherein: the surface of the hydraulic piston (12) is provided with a concave-convex block, and the hydraulic piston (12) is connected with the upper hydraulic cavity (11) in a sliding manner.

5. The pneumatic-hydraulic dual-purpose lathe chuck as claimed in claim 1, wherein: a baffle plate (16) is arranged inside the air groove (15), and the baffle plate (16) can slide through the inside of the air groove (15) and is used for closing and opening the connection between the air groove (15) and the lower hydraulic cavity (10).

6. The pneumatic-hydraulic dual-purpose lathe chuck as claimed in claim 1, wherein: the hydraulic oil input hole (17) is movably connected with the hole cover (18), one end of the hole cover (18) is provided with a connecting rotating rod, and the hole cover (18) is rotatably connected with the chuck body (1).