CN210588180U

CN210588180U - Improved three-jaw seat

Info

Publication number: CN210588180U
Application number: CN201921518539.0U
Authority: CN
Inventors: 刘送平
Original assignee: Ningbo Guiping Hardware Accessories Co Ltd
Current assignee: Ningbo Guiping Hardware Accessories Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-05-22
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses an improved three-jaw seat, which comprises a base, the top of base is run through and is seted up three movable groove, the middle part at base top is run through and is seted up the thread groove, a plurality of spread grooves have been seted up in the inside of base is run through, the surface of base and the one side that is located the movable groove have been seted up first rotating groove, the inside fixed mounting in first rotating groove has first bearing, the surface of base and the opposite side that is located the movable groove have been seted up the second and have been rotated the groove. This improved generation three-jaw seat uses through the cooperation of base, cassette, activity groove, spread groove, first rotation groove, first bearing, second rotation groove, rotation axis and fixed orifices to can realize pressing from both sides tightly or loosen the work piece, be favorable to improving machining equipment's work efficiency, also help reducing technical staff's working strength, its volume is less simultaneously, and also can be applicable to the work piece of multiple different grade type and press from both sides tight processing.

Description

Improved three-jaw seat

Technical Field

The utility model relates to a three-jaw seat specifically is an improved generation three-jaw seat.

Background

The numerically controlled lathe is one of the widely used numerically controlled machines at present. The cutting tool is mainly used for cutting and processing inner and outer cylindrical surfaces of shaft parts or disc parts, inner and outer conical surfaces with any taper angles, complex rotary inner and outer curved surfaces, cylindrical threads, conical threads and the like, and can perform grooving, drilling, reaming, boring and the like. The numerical control machine tool automatically processes the processed parts according to a processing program programmed in advance. The machining process route, process parameters, tool motion track, displacement, cutting parameters and auxiliary functions of the part are compiled into a machining program list according to instruction codes and program formats specified by the numerical control machine, and then the content in the program list is recorded on a control medium and then input into a numerical control device of the numerical control machine, so that the machine tool is instructed to machine the part.

Before a workpiece is machined by using a numerical control machine tool, the workpiece needs to be limited by using a clamping mechanism. However, the traditional three-jaw seat on the market at present is not optimized enough in structure and reasonable in design.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improved generation three-jaw seat to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an improved generation three-jaw seat, includes the base, the top of base is run through and is seted up three movable groove, the middle part at base top is run through and is seted up the thread groove, a plurality of spread grooves have been run through and have been seted up in the inside of base, the surface of base just is located one side in movable groove and has seted up first rotating groove, the inside fixed mounting in first rotating groove has first bearing, the surface of base just is located the opposite side in movable groove and has seted up the second and rotate the groove, and the inside fixed mounting in second rotating groove has the second bearing, it is connected with the rotation axis to rotate between first bearing and the second bearing, one side that the rotation axis is located movable inslot portion is provided with the cassette, a plurality of first recesses and second recess have been seted up respectively.

As a further aspect of the present invention: the top and the bottom of the base are both provided with weight reduction grooves, and the weight reduction grooves are circular.

As a further aspect of the present invention: the thread groove is communicated with the movable groove through a connecting groove.

As a further aspect of the present invention: the first bearing and the second bearing are identical in structure size, and the first bearing and the second bearing are matched with the rotating shaft.

As a further aspect of the present invention: the opposite surfaces of the first rotating groove and the second rotating groove are communicated with the movable groove.

As a further aspect of the present invention: the base is composed of two cylinders, and the diameter of the cylinder above is larger than that of the cylinder below.

As a further aspect of the present invention: one side of the clamping seat is provided with a fixing hole matched with the rotating shaft in a penetrating mode, and the clamping seat is fixedly connected with the rotating shaft through the fixing hole.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a base, the cassette, the movable groove, the spread groove, first rotation groove, first bearing, the second rotates the groove, the cooperation of rotation axis and fixed orifices is used, thereby can realize pressing from both sides tightly or unclamp the work piece, be favorable to improving machining equipment's work efficiency, also help reducing technical staff's working strength, its volume is less simultaneously, and the work piece that also is applicable to multiple different grade type presss from both sides tight processing, setting through the thread groove, the work piece also can be fixed through the thread groove that three-jaw seat top set up, help improving the convenience that three-jaw seat used, high convenience is used, through the setting that subtracts the groove, help reducing the holistic weight of three-jaw seat, also can reduce three-jaw seat manufacturing material, and the production cost is reduced, the structure is optimized more, and the design is more reasonable.

Drawings

Fig. 1 is a schematic structural view of an improved three-jaw seat.

Fig. 2 is a schematic structural diagram of a base in an improved three-jaw seat.

Fig. 3 is a top view of a base in an improved three jaw housing.

Figure 4 is a side view of an improved three jaw cartridge.

In the figure: the bearing seat comprises a base 1, a clamping seat 2, a movable groove 3, a connecting groove 4, a first rotating groove 5, a first bearing 6, a first groove 7, a second bearing 8, a second rotating groove 9, a rotating shaft 10, a second groove 11, a lightening groove 12, a threaded groove 13 and a fixing hole 14.

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.

Referring to fig. 1-4, in the embodiment of the present invention, an improved three-jaw seat comprises a base 1, three movable grooves 3 are formed through the top of the base 1, a threaded groove 13 is formed through the middle of the top of the base 1, a plurality of connecting grooves 4 are formed through the inside of the base 1, a first rotating groove 5 is formed on the outer surface of the base 1 and located on one side of the movable groove 3, a first bearing 6 is fixedly installed inside the first rotating groove 5, a second rotating groove 9 is formed on the outer surface of the base 1 and located on the other side of the movable groove 3, a second bearing 8 is fixedly installed inside the second rotating groove 9, a rotating shaft 10 is rotatably connected between the first bearing 6 and the second bearing 8, a clamping seat 2 is disposed on one side of the inner portion of the movable groove 3 of the rotating shaft 10, a plurality of first grooves 7 and second grooves 11 are respectively formed on the outer surface of the base 1, and the first grooves 7 and the second grooves 11 are respectively located above and below the second rotating groove, the top and the bottom of base 1 have all been seted up and have been subtract heavy groove 12, and subtract the shape in heavy groove 12 and be circular, communicate through spread groove 4 between thread groove 13 and the movable groove 3, first bearing 6 is all unanimous with the structure size of second bearing 8, and first bearing 6 and second bearing 8 and rotation axis 10 looks adaptation, first rotation groove 5 all communicates with movable groove 3 with the opposite face that the second rotated groove 9, base 1 comprises two cylinders, and the cylinder diameter of top is greater than the cylinder diameter of below, the fixed orifices 14 of seting up with rotation axis 10 looks adaptation is run through to one side of cassette 2, cassette 2 passes through fixed orifices 14 and rotation axis 10 fixed connection.

The utility model discloses a theory of operation is:

when the three-jaw seat is used, two ends of the clamping seat 2 can be opened or closed through the rotating shaft 10, a workpiece is placed at the top of the base 1, when the tail end of the clamping seat 2 is stressed to be opened, the front end of the clamping seat 2 can be closed to clamp the workpiece, conversely, when the tail end of the clamping seat 2 is stressed to be closed, the front end of the clamping seat 2 can be opened to release the clamped workpiece, so that the workpiece can be clamped or released, the working efficiency of machining equipment is improved, the working strength of technical personnel is reduced, the size of the three-jaw seat is small, the three-jaw seat is also suitable for clamping and processing workpieces of various types, through the arrangement of the thread groove 13, the workpiece can be fixed through the thread groove 13 arranged at the top of the three-jaw seat, the use convenience of the three-jaw seat is improved, the use is very convenient, through the arrangement of the lightening groove 12, the whole weight, the production cost is reduced, the structure is more optimized, and the design is more reasonable.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An improved three-jaw seat, includes base (1), its characterized in that: the top of base (1) runs through and has seted up three activity groove (3), the middle part at base (1) top runs through and has seted up thread groove (13), the inside of base (1) runs through and has seted up a plurality of spread grooves (4), the surface of base (1) just is located one side of activity groove (3) and has seted up first rotation groove (5), the inside fixed mounting of first rotation groove (5) has first bearing (6), the surface of base (1) just is located the opposite side of activity groove (3) and has seted up second rotation groove (9), and the inside fixed mounting of second rotation groove (9) has second bearing (8), it is connected with rotation axis (10) to rotate between first bearing (6) and second bearing (8), rotation axis (10) are located the inside one side of activity groove (3) and are provided with cassette (2), a plurality of first recess (7) and second recess (11) have been seted up respectively to the surface of base (1).

2. An improved three jaw housing according to claim 1, wherein: the top and the bottom of the base (1) are both provided with weight reduction grooves (12), and the weight reduction grooves (12) are circular.

3. An improved three jaw housing according to claim 1, wherein: the thread groove (13) is communicated with the movable groove (3) through a connecting groove (4).

4. An improved three jaw housing according to claim 1, wherein: the sizes of the first bearing (6) and the second bearing (8) are the same, and the first bearing (6) and the second bearing (8) are matched with the rotating shaft (10).

5. An improved three jaw housing according to claim 1, wherein: the opposite surfaces of the first rotating groove (5) and the second rotating groove (9) are communicated with the movable groove (3).

6. An improved three jaw housing according to claim 1, wherein: the base (1) is composed of two cylinders, and the diameter of the cylinder above the base is larger than that of the cylinder below the base.

7. An improved three jaw housing according to claim 1, wherein: one side of the clamping seat (2) is provided with a fixing hole (14) matched with the rotating shaft (10) in a penetrating mode, and the clamping seat (2) is fixedly connected with the rotating shaft (10) through the fixing hole (14).