CN210388335U

CN210388335U - Workpiece clamping device for numerical control machine tool

Info

Publication number: CN210388335U
Application number: CN201920899972.7U
Authority: CN
Inventors: 李广连
Original assignee: Hangzhou Condensing Zinc Electromechanical Technology Co Ltd
Current assignee: Hangzhou Condensing Zinc Electromechanical Technology Co Ltd
Priority date: 2019-06-16
Filing date: 2019-06-16
Publication date: 2020-04-24
Anticipated expiration: 2029-06-16

Abstract

The utility model discloses a work piece clamping device for digit control machine tool, the on-line screen storage device comprises a base, the mounting groove has been seted up to the front surface of base, upper portion one side fixed position of base installs fixed clamp splice, the spout has been seted up to the upper surface of base, the upper portion position placed in the middle of the base is equipped with movable clamp splice, be equipped with the slide rail between movable clamp splice and the spout, the upper portion opposite side fixed mounting of base has nut seat, be equipped with the screw rod between nut seat and the movable clamp splice, the one end fixed mounting of screw rod has the handle, the upper portion of nut seat is equipped with the bolt, the top fixed mounting of bolt has spacing piece. A workpiece clamping device for digit control machine tool, be equipped with fixture block, splice groove and concatenation screw, can avoid its phenomenon that the hard waste appears for the screw rod application of force, secondly can make things convenient for people to increase the height of fixed clamp splice and activity clamp splice, make things convenient for the work piece of the various equidimensions of centre gripping, application scope is extensive.

Description

Workpiece clamping device for numerical control machine tool

Technical Field

The utility model relates to a clamping device field, in particular to workpiece clamping device for digit control machine tool.

Background

The workpiece clamping device for the numerical control machine tool is a device for clamping workpieces used on the numerical control machine tool, the devices for clamping workpieces on the numerical control machine tool are generally of two types, one type is a three-grab chuck which is mainly used for clamping and fixing round workpieces, and the other type is a bench clamp which is mainly used for clamping and fixing regular workpieces; however, the existing workpiece clamping device for the numerical control machine tool does not have a fixing measure after clamping a workpiece, the phenomenon of screw rod thread breakage can be caused due to the fact that the workpiece is processed to apply force to the clamping block, if the clamping block is not fixed, the clamping block is loosened, the clamped workpiece is easy to slip, a splicing function is not provided, the size of the workpiece which can be clamped by the clamping device is limited, the workpiece cannot be suitable for workpieces of various sizes, and the application range is small.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a work piece clamping device for digit control machine tool can effectively solve not possessing the less problem of fixed measure and application scope in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a workpiece clamping device for a numerical control machine tool comprises a base, wherein the front surface of the base is provided with an installation groove, a fixed clamping block is fixedly arranged at one side of the upper part of the base, a chute is arranged on the upper surface of the base, a movable clamping block is arranged in the middle of the upper part of the base, a sliding rail is arranged between the movable clamping block and the sliding groove, a nut seat is fixedly arranged on the other side of the upper part of the base, a screw rod is arranged between the nut seat and the movable clamping block, a handle is fixedly arranged at one end of the screw rod, a bolt is arranged at the upper part of the nut seat, a limiting piece is fixedly arranged at the top end of the bolt, the upper part of the limiting piece is fixedly provided with a pull ring, the outside of the bolt is sleeved with a spring, the upper surface of the fixed clamping block is provided with a splicing groove, the upper surface of the fixed clamping block is positioned at the front part of the splicing groove and is provided with a splicing screw hole, and the other end of the plug pin is fixedly provided with a clamping block.

Preferably, the sliding groove is matched with the sliding rail, and the movable clamping block is movably connected with the sliding groove through the sliding rail.

Preferably, the screw rod penetrates through the nut seat and is movably connected with the movable clamping block, and the screw rod is in threaded butt joint with the nut seat.

Preferably, one end of the spring is fixedly connected with the nut seat, and the other end of the spring is fixedly connected with the limiting piece.

Preferably, the shape of the clamping block is matched with the thread of the screw, and the size and the position of the sliding rail correspond to those of the splicing groove.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses in, fixture block through setting up, the one end at the bolt is fixed to the fixture block, the outside cover of bolt is equipped with the spring, and the screw thread phase-match of fixture block and screw rod, when people promote work piece on the movable clamp splice centre gripping through rotating the screw rod, the spring drives the bolt and pushes down, thereby suppress the fixture block on the screw rod, the screw rod is always by the spring pressure testing, can play fixed effect, avoid the phenomenon of hard waste to appear in the screw rod, splice groove and concatenation screw through setting up, people can place the splice groove with the slide rail of two identical fixed clamp splice and movable clamp splice, then utilize outside bolt to pass the concatenation screw and fix, thereby can make things convenient for the work piece of people's centre gripping equidimension not, application scope is extensive.

Drawings

Fig. 1 is a schematic view of the overall structure of a workpiece clamping device for a numerical control machine tool according to the present invention;

fig. 2 is an enlarged view of a part a in fig. 1 of a workpiece holding device for a numerical control machine tool according to the present invention;

fig. 3 is the utility model relates to a workpiece clamping device's for digit control machine tool nut seat inner structure schematic diagram.

In the figure: 1. a base; 2. mounting grooves; 3. fixing the clamping block; 4. a chute; 5. a movable clamping block; 6. a slide rail; 7. a nut seat; 8. a screw; 9. a handle; 10. a bolt; 11. a limiting sheet; 12. a pull ring; 13. splicing grooves; 14. splicing screw holes; 15. a spring; 16. and (7) clamping blocks.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

As shown in fig. 1-3, a workpiece clamping device for a numerical control machine tool comprises a base 1, wherein a mounting groove 2 is formed in the front surface of the base 1, a fixed clamping block 3 is fixedly mounted at one side of the upper portion of the base 1, a sliding groove 4 is formed in the upper surface of the base 1, a movable clamping block 5 is arranged at the middle position of the upper portion of the base 1, a sliding rail 6 is arranged between the movable clamping block 5 and the sliding groove 4, a nut seat 7 is fixedly mounted at the other side of the upper portion of the base 1, a screw 8 is arranged between the nut seat 7 and the movable clamping block 5, a handle 9 is fixedly mounted at one end of the screw 8, a plug pin 10 is arranged at the upper portion of the nut seat 7, a limiting piece 11 is fixedly mounted at the top end of the plug pin 10, a pull ring 12 is fixedly mounted at the upper portion of the limiting piece 11, a spring 15 is sleeved outside the, the upper surface of the fixed clamping block 3 is provided with a splicing screw hole 14 at the front part of the splicing groove 13, and the other end of the bolt 10 is fixedly provided with a clamping block 16;

the sliding groove 4 is matched with the sliding rail 6, and the movable clamping block 5 is movably connected with the sliding groove 4 through the sliding rail 6; the screw 8 penetrates through the nut seat 7 and is movably connected with the movable clamping block 5, and the screw 8 is in threaded butt joint with the nut seat 7; one end of the spring 15 is fixedly connected with the nut seat 7, and the other end of the spring 15 is fixedly connected with the limiting piece 11; the shape of the fixture block 16 is matched with the thread of the screw 8, and the size and the position of the slide rail 6 correspond to those of the splicing groove 13.

It should be noted that, the utility model relates to a workpiece clamping device for numerical control machine tool, when in use, firstly, the whole clamping device is installed on an external numerical control machine tool by using the installation groove 2, then the workpiece to be clamped is placed between the fixed clamping block 3 and the movable clamping block 5, the bolt 10 is pulled by using the pull ring 12 to move upwards slightly, then the screw 8 is rotated by using the handle 9, the screw 8 is in threaded connection with the nut seat 7, therefore, the screw 8 continuously drives the movable clamping block 5 to move on the chute 4 due to the thread action when rotating, people only need to continuously rotate the screw 8 to move the movable clamping block 5 to the surface of the workpiece, the clamping and fixing are carried out by using the fixed clamping block 3, then the pull ring 12 is loosened, because one end of the spring 15 is fixed on the nut seat 7, the other end is fixed on the limiting sheet 11, therefore, the spring 15 continuously pulls the bolt 10 to test pressure downwards, thereby driving fixture block 16 pressure testing downwards, fixture block 16 then is to screw 8 pressure testing, can play fixed effect, avoid screw 8 the phenomenon of back silk to appear, thereby avoid the phenomenon that the displacement of activity clamp splice 5 leads to the work piece to appear skidding, secondly if the work piece that people met is bigger, can utilize slide rail 6 and splice groove 13 concatenation with two identical activity clamp splice 5 and fixed clamp splice 3 on, then it fixes to pass concatenation screw 14 utilizing outside bolt, thereby can enlarge fixed clamp splice 3 and activity clamp splice 5's height, thereby can make things convenient for the great work piece of centre gripping, can make things convenient for people's centre gripping work piece of equidimension not when using, application scope is more extensive.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a work piece clamping device for digit control machine tool which characterized in that: comprises a base (1), a mounting groove (2) is arranged on the front surface of the base (1), a fixed clamping block (3) is fixedly arranged at one side of the upper part of the base (1), a sliding groove (4) is arranged on the upper surface of the base (1), a movable clamping block (5) is arranged at the middle position of the upper part of the base (1), a sliding rail (6) is arranged between the movable clamping block (5) and the sliding groove (4), a nut seat (7) is fixedly arranged at the other side of the upper part of the base (1), a screw rod (8) is arranged between the nut seat (7) and the movable clamping block (5), a handle (9) is fixedly arranged at one end of the screw rod (8), a bolt (10) is arranged at the upper part of the nut seat (7), a limiting piece (11) is fixedly arranged at the top end of the bolt (10), a pull ring (12) is fixedly arranged, the outer sleeve of bolt (10) is equipped with spring (15), concatenation groove (13) have been seted up to the upper surface of fixed clamp splice (3), concatenation screw (14) have been seted up to the upper surface of fixed clamp splice (3) position in the front portion of concatenation groove (13), the other end fixed mounting of bolt (10) has fixture block (16).

2. The workpiece holding device for the numerical control machine tool according to claim 1, characterized in that: the sliding groove (4) is matched with the sliding rail (6), and the movable clamping block (5) is movably connected with the sliding groove (4) through the sliding rail (6).

3. The workpiece holding device for the numerical control machine tool according to claim 1, characterized in that: the screw rod (8) penetrates through the nut seat (7) and is movably connected with the movable clamping block (5), and the screw rod (8) is in threaded butt joint with the nut seat (7).

4. The workpiece holding device for the numerical control machine tool according to claim 1, characterized in that: one end of the spring (15) is fixedly connected with the nut seat (7), and the other end of the spring (15) is fixedly connected with the limiting sheet (11).

5. The workpiece holding device for the numerical control machine tool according to claim 1, characterized in that: the shape of the clamping block (16) is matched with the thread of the screw rod (8), and the size and the position of the sliding rail (6) correspond to those of the splicing groove (13).