CN211332226U

CN211332226U - Size-adjustable high-precision machine tool clamp

Info

Publication number: CN211332226U
Application number: CN201921842047.7U
Authority: CN
Inventors: 严林峰; 周金
Original assignee: Wuxi Fengyi Machinery Technology Co ltd
Current assignee: Wuxi Fengyi Machinery Technology Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-08-25
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a size-adjustable high-precision machine tool clamp belonging to the technical field of machine tool clamps, which comprises a machine tool table, a workpiece mounting table is fixedly arranged on the top wall of the machine tool table, a hydraulic lifting column is fixedly arranged on the top wall of the machine tool table, a clamp bottom plate is screwed on the top of the hydraulic lifting column, a through hole is communicated between the top wall and the bottom wall of the clamp bottom plate, clamp mounting plates are screwed on the left side and the right side of the top wall of the clamp bottom plate, a bearing is communicated and clamped between the left wall and the right wall of the clamp mounting plates, a spiral roller is clamped on the inner ring of the bearing, the outer wall of the spiral roller is in threaded connection with the inner wall of a clamp fixing ring, the bottom of the clamp fixing ring is integrated with the clamp device, one end of the spiral roller, which is far away from the clamp device, is fixedly connected with the output shaft of a, the clamp clearance can be freely adjusted to adapt to workpieces of different sizes.

Description

Size-adjustable high-precision machine tool clamp

Technical Field

The utility model relates to a machine tool clamp technical field specifically is a size adjustable high accuracy machine tool clamp.

Background

Machine tools are machines for manufacturing machines, also called machine tools or machine tools, which are conventionally referred to as machine tools for short. Generally, the machining method is divided into a metal cutting machine, a forging machine, a woodworking machine and the like. The methods for machining machine parts in modern machine manufacturing are numerous: in addition to cutting, casting, forging, welding, pressing, extruding, etc., however, in general, a part requiring high precision and fine surface roughness is finished by cutting on a machine tool.

The lathe need use anchor clamps to fix the work piece in process of production, but current anchor clamps size is single, can't accomplish to satisfy the multiple size work piece requirement of production, needs hard to change, influences production efficiency.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

In view of the above-mentioned and/or current size adjustable high accuracy jig in the problem that exists, provided the utility model discloses.

Therefore, the utility model aims at providing a size adjustable high accuracy machine tool fixture, the current anchor clamps size that can solve above-mentioned proposition is single, can't accomplish to satisfy the multiple size work piece requirement of production, needs hard to change, influences production efficiency's problem.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

a size adjustable high precision machine tool fixture, comprising: the top of machine tool board is fixed and is equipped with the work piece platform of placeeing, the fixed hydraulic lifting post that is equipped with of top of machine tool board, the top spiro union of hydraulic lifting post has the anchor clamps bottom plate, it has the through-hole to link up between the roof of anchor clamps bottom plate and the diapire, the equal spiro union in the roof left and right sides of anchor clamps bottom plate has the anchor clamps mounting panel, it has the bearing to link up and the joint between the left and right wall of anchor clamps mounting panel, the inner ring joint of bearing has the spiral roller, the outer wall of spiral roller and the inner wall threaded connection of splint retainer plate, the bottom and the splint device integrated into one piece of splint retainer plate, the one end that the splint device was kept away from to the spiral roller is connected with the output shaft fixed connection of motor, the motor joint is in the inner chamber of motor cover.

As an optimal scheme of size adjustable high accuracy machine tool clamp, wherein: the through opening and the workpiece placing table are positioned on a same central vertical plane, and the size of the through opening is slightly larger than the cross section of the workpiece placing table.

As an optimal scheme of size adjustable high accuracy machine tool clamp, wherein: the clamp plate device comprises a main clamp plate, a slide block is connected to the left side wall and the right side wall of the main clamp plate in a threaded mode, the slide block is connected with a slide rail in a sliding mode, the slide rail is connected to the top wall of the clamp bottom plate in a threaded mode, a buffer device is connected to the right wall of the main clamp plate on the left side and the left wall of the main clamp plate on the right side in a threaded mode, and the other end of the buffer device is fixedly connected with one side wall.

As an optimal scheme of size adjustable high accuracy machine tool clamp, wherein: the buffer device comprises an accommodating cavity, a bottom plate of the accommodating cavity is in screwed connection with the main clamping plate, an inner cavity of the accommodating cavity is connected with a telescopic column in a clamped mode, and a spring is arranged between the telescopic column and the bottom plate of the accommodating cavity.

As an optimal scheme of size adjustable high accuracy machine tool clamp, wherein: the motor adopts a stepping motor.

Compared with the prior art: this kind of size adjustable formula high accuracy machine tool fixture, the operation through the motor drives the spiral roller and rotates, utilize the spiral roller to move the direction spiral of splint device to the work piece, when the auxiliary splint supported the work piece, the motor continues the operation, buffer's flexible post and spring are stopped commentaries on classics by the motor after the main splint extrusion contracts completely, buffer utilizes the elasticity of spring to carry out two-way effort to main splint and auxiliary splint this moment, increase the stability of centre gripping, the work piece of various sizes in the normal range can be cliied to this device simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:

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

FIG. 2 is a front view of the present invention;

fig. 3 is a schematic top view of the present invention.

In the figure, 100 machine tool stands, 200 workpiece setting tables, 300 hydraulic lifting columns, 400 clamp bottom plates, 410 through ports, 500 clamp mounting plates, 510 bearings, 511 spiral rollers, 600 clamp fixing rings, 700 clamp devices, 710 main clamps, 711 sliders, 712 sliding rails, 720 buffer devices, 721 accommodating cavities, 722 telescopic columns, 723 springs, 730 auxiliary clamps, 800 motors and 810 motor covers are arranged.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a size adjustable high precision machine tool clamp, please refer to fig. 1, comprising a machine tool table 100;

a workpiece mounting table 200 is fixedly arranged on the top wall of the machine tool table 100, and the workpiece mounting table 200 is used for mounting a workpiece;

the top wall of the machine tool machine table 100 is fixedly provided with a hydraulic lifting column 300, the top of the hydraulic lifting column 300 is screwed with a clamp bottom plate 400, a through hole 410 is communicated between the top wall and the bottom wall of the clamp bottom plate 400, and the hydraulic lifting column 300 is used for driving the clamp bottom plate 400 to lift by utilizing the through hole 410, so that a workpiece can be conveniently placed on the workpiece mounting table 200;

the left side and the right side of the top wall of the clamp bottom plate 400 are both in threaded connection with a clamp mounting plate 500, the clamp mounting plate 500 is used for regulating the clamp plate device 700, a bearing 510 penetrates through and is clamped between the left wall and the right wall of the clamp mounting plate 500, an inner ring of the bearing 510 is clamped with a spiral roller 511, the spiral roller 511 is used for driving the clamp plate device 700 to move through a spiral, the outer wall of the spiral roller 511 is in threaded connection with the inner wall of a clamp plate fixing ring 600, the bottom of the clamp plate fixing ring 600 is integrally formed with the clamp plate device 700, one end, far away from the clamp plate device 700, of the spiral roller 511 is fixedly connected with an output shaft of a motor 800, the motor 800 is used for driving the spiral roller 511 to rotate in a spiral manner, the motor 800 is clamped;

passage opening 410 is located on a vertical plane at the same center as workpiece mounting table 200, and the size of passage opening 410 is slightly larger than the cross section of workpiece mounting table 200, so that clamp bottom plate 400 can be lowered below the top wall of workpiece mounting table 200 through the passage opening;

the clamping plate device 700 comprises a main clamping plate 710, the left side wall and the right side wall of the bottom of the main clamping plate 710 are in threaded connection with a sliding block 711, the sliding block 711 is in sliding connection with a sliding rail 712, the sliding rail 712 is in threaded connection with the top wall of the clamp bottom plate 400, the main clamping plate 710 is fixed with the clamp bottom plate through the sliding block 711 and the sliding rail 712 and can move by utilizing the sliding block and the sliding rail, the right wall of the left main clamping plate 710 and the left wall of the right main clamping plate 710 are both in threaded connection with a buffer device 720, the other end of the buffer device 720 is fixedly connected with the side wall of one side of the auxiliary clamping plate;

the buffer device 720 comprises an accommodating cavity 721, a bottom plate of the accommodating cavity 721 is screwed on the main clamping plate 710, an inner cavity of the accommodating cavity 721 is clamped with a telescopic column 722, a spring 723 is arranged between the telescopic column 722 and the bottom plate of the accommodating cavity 721, and the telescopic column 722 is matched with the spring 723 to be telescopic;

the motor 800 adopts a stepping motor, and the precision and the reliability of the stepping motor are both higher than those of a common motor;

in specific use, a person skilled in the art needs to control the hydraulic lifting column 300 to descend through a controller of the machine tool, so as to drive the clamp base plate 400 and the clamping plate device 700 to descend, thereby facilitating the placement of the workpiece on the top wall of the workpiece placement table 200, placing the workpiece on the workpiece placement table 200, then controlling the hydraulic lifting column 300 to lift to drive the clamp bottom plate 400 and the clamping plate device 700 to lift, controlling the motor 800 to operate, driving the spiral roller 511 to rotate by the operation of the motor 800, screwing the clamping plate device 700 towards the workpiece by the spiral roller 511, when the auxiliary clamp plate 730 props against the workpiece, the motor 800 continues to operate, the telescopic column 722 and the spring 723 of the buffer device 720 are pressed by the main clamp plate 710 and are completely contracted, then the motor 800 stops rotating, at the moment, the buffer device 720 performs bidirectional acting force on the main clamp plate 710 and the auxiliary clamp plate 730 by utilizing the elasticity of the spring 723, the clamping stability is improved, and at the moment, the machine tool can start to process the workpiece.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a size adjustable formula high accuracy jig which characterized in that: the automatic clamping device comprises a machine tool machine table (100), wherein a workpiece placing table (200) is fixedly arranged on the top wall of the machine tool machine table (100), a hydraulic lifting column (300) is fixedly arranged on the top wall of the machine tool machine table (100), a clamp bottom plate (400) is screwed on the top of the hydraulic lifting column (300), a through opening (410) is communicated between the top wall and the bottom wall of the clamp bottom plate (400), clamp mounting plates (500) are screwed on the left and right sides of the top wall of the clamp bottom plate (400), bearings (510) are communicated and clamped between the left and right walls of the clamp mounting plates (500), spiral rollers (511) are clamped on inner rings of the bearings (510), the outer walls of the spiral rollers (511) are in threaded connection with the inner walls of clamp fixing rings (600), the bottoms of the clamp fixing rings (600) and the clamp device (700) are integrally formed, one ends, far away from the clamp device (700), of the spiral rollers (511) are fixedly connected with output shafts, the motor (800) is connected to the inner cavity of the motor cover (810) in a clamping mode, and the motor cover (810) is connected to the clamp mounting plate (500) in a threaded mode.

2. The adjustable-size high-precision machine tool clamp according to claim 1, wherein: the through opening (410) and the workpiece placing table (200) are positioned on a vertical plane of the same center, and the size of the through opening (410) is slightly larger than the cross section of the workpiece placing table (200).

3. The adjustable-size high-precision machine tool clamp according to claim 1, wherein: the clamp plate device (700) comprises a main clamp plate (710), a sliding block (711) is connected to the left side wall and the right side wall of the bottom of the main clamp plate (710) in a threaded mode, the sliding block (711) is connected with a sliding rail (712) in a sliding mode, the sliding rail (712) is connected with the top wall of the clamp bottom plate (400) in a threaded mode, a buffer device (720) is connected to the right wall of the left side main clamp plate (710) and the left wall of the right side main clamp plate (710) in a threaded mode, and the other end of the buffer device (720) is fixedly connected with the side wall of one.

4. A size adjustable high precision machine tool clamp according to claim 3, characterized in that: the buffer device (720) comprises an accommodating cavity (721), the bottom plate of the accommodating cavity (721) is screwed on the main clamping plate (710), an inner cavity of the accommodating cavity (721) is clamped with a telescopic column (722), and a spring (723) is arranged between the telescopic column (722) and the bottom plate of the accommodating cavity (721).

5. The adjustable-size high-precision machine tool clamp according to claim 1, wherein: the motor (800) adopts a stepping motor.