CN217371503U

CN217371503U - Numerical control machine tool clamp

Info

Publication number: CN217371503U
Application number: CN202123225927.XU
Authority: CN
Inventors: 崔磊
Original assignee: Beijing Jiashun Aurora Technology Co ltd
Current assignee: Beijing Jiashun Aurora Technology Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-09-06
Anticipated expiration: 2031-12-21

Abstract

The utility model provides a numerical control machine tool fixture, which comprises a fixture body, a clamping device and a positioning device; the device body comprises a device base and a fixing plate, the fixing plate is vertically arranged on the device base, and the clamping device and the positioning device are movably arranged on the fixing plate. The embodiment of the utility model avoids the waste caused by the deformation of the workpiece due to over-tight clamping without reducing the clamping force of the clamp; and the auxiliary supporting oil cylinders are additionally arranged at the side part and the bottom part of the workpiece, so that the clamping rigidity and the processing stability are greatly improved.

Description

Numerical control machine tool clamp

Technical Field

The utility model relates to a machine tool clamp technical field especially indicates a digit control machine tool clamp.

Background

In the machining process, not only workpieces with standard appearance but also a large number of special-shaped workpieces are machined, if product accessories meeting the requirements are required to be obtained, various machining modes need to be comprehensively applied in the machining process, a large amount of manpower and material resources are consumed, and particularly, when a non-matched machine tool clamp is used, indentations sometimes remain on the surfaces of the workpieces, so that the economic benefit is influenced. The pressing support points of the existing standard machine tool clamp are rigid planes, so that the clamping deformation of parts is easy to occur; therefore, the object to be clamped needs to be replaced according to the shape of the object to be clamped, and the use is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a numerical control machine tool clamp can satisfy the clamping requirement that compresses tightly the strong point and can avoid the clamping of part to warp again.

In order to solve the technical problem, the technical scheme of the utility model as follows: a numerical control machine tool clamp comprises a device body, a clamping device and a positioning device;

the device body comprises a device base and a fixing plate, the fixing plate is vertically arranged on the device base, and the clamping device and the positioning device are movably arranged on the fixing plate.

Optionally, the clamping device comprises a first fixed oil cylinder, a second fixed oil cylinder, a third fixed oil cylinder and a movable oil cylinder;

the first fixed oil cylinder is arranged at a first position on the fixed plate, the second fixed oil cylinder is arranged at a second position on the fixed plate, the third fixed oil cylinder is arranged at a third position on the fixed plate, and the movable oil cylinder is arranged at a fourth position on the fixed plate.

Optionally, the positioning device includes a first positioning block, a second positioning block, a third positioning block and a fixing pin; the first positioning block is arranged at a fifth position on the fixing plate, the second positioning block is arranged at a sixth position on the fixing plate, the third positioning block is arranged at a seventh position on the fixing plate, and the fixing pin is arranged at an eighth position on the fixing plate; the first positioning block is arranged corresponding to the first fixed oil cylinder, and the second positioning block is arranged corresponding to the second fixed oil cylinder; the third positioning block is arranged corresponding to the third fixed oil cylinder; the fixed pin and the movable oil cylinder are correspondingly arranged.

Optionally, the fixing plate is further provided with a lateral support post rod.

Optionally, a bottom supporting ejector rod is further arranged on the fixing plate.

Optionally, the device body is further provided with a rib plate.

Optionally, the fixing plate is further provided with a movable pin.

Optionally, the number of the movable pins corresponds to the number of the fixing holes of the workpiece.

Optionally, the first positioning block, the second positioning block and the third positioning block are all provided with airtight detection holes.

Optionally, the diameter of the air tightness detection hole is 0.77 mm.

The above technical scheme of the utility model at least include following beneficial effect:

1. the above technical scheme of the utility model one of them rigidity strong point of anchor clamps becomes supplementary strong point through the mode of hydro-cylinder, avoids the centre gripping tension to make the work piece warp and cause the waste under the prerequisite that does not reduce anchor clamps centre gripping dynamics.

2. The above technical scheme of the utility model the lateral part of work piece and bottom have all increased the auxiliary stay hydro-cylinder, have greatly improved clamping rigidity and processing stability.

3. The above technical scheme of the utility model original airtight inspection hole diameter reduces to 0.77mm, reduces airtight inspection hole diameter and can improve detectivity, stops airtight detection judgement mistake problem.

Drawings

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

FIG. 2 is a schematic diagram of the structure of the components of the present invention;

wherein, 1, the device body; 101. a base; 102. a fixing plate; 103. a rib plate; 2. a clamping device; 201. a first fixed cylinder; 202. the second fixed oil cylinder and the third fixed oil cylinder; 204. a movable oil cylinder; 205. the side part supports the ejector rod; 206. the bottom supports the mandril; 207. a movable pin; 3. a positioning device; 301. a first positioning block and a second positioning block; 303. a third positioning block; 304. a fixing pin; 4. and (5) a workpiece.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a numerical control machine tool fixture, which includes a fixture body 1, a clamping device 2, and a positioning device 3;

the device body 1 comprises a device base 101 and a fixing plate 102, the fixing plate 102 is vertically arranged on the device base 101, and the clamping device 2 and the positioning device 3 are movably arranged on the fixing plate 102; the clamping device 2 and the positioning device 3 can be movably arranged according to the requirement of a processed workpiece 4, so that the device is convenient to use and replace.

In the embodiment of the present invention, the clamping device 2 includes a first fixed cylinder 201, a second fixed cylinder 202, a third fixed cylinder 203 and a movable cylinder 204; when the part is clamped, 4 pressing fixed supporting points are needed to meet the rigidity requirement during processing, and one of the pressing fixed supporting points is changed into a movable supporting point, so that the deformation of the processed workpiece 4 caused by overhigh clamping strength can be avoided while the clamping strength is ensured;

the first fixed oil cylinder 201 is arranged at a first position on the fixing plate 102, the second fixed oil cylinder 202 is arranged at a second position on the fixing plate 102, the third fixed oil cylinder 203 is arranged at a third position on the fixing plate 102, and the movable oil cylinder 204 is arranged at a fourth position on the fixing plate 102; the positions of the first fixed oil cylinder 201, the second fixed oil cylinder 202, the third fixed oil cylinder 203 and the movable oil cylinder 204 change along with the fixed position of the processing workpiece 4.

In the embodiment of the present invention, the positioning device 3 includes a first positioning block 301, a second positioning block 302, a third positioning block 303, and a fixing pin 304;

the first positioning block 301 is disposed at a fifth position on the fixing plate 102, the second positioning block 302 is disposed at a sixth position on the fixing plate 102, the third positioning block 303 is disposed at a seventh position on the fixing plate 102, and the fixing pin 304 is disposed at an eighth position on the fixing plate 102;

the first positioning block 301 is arranged corresponding to the first fixed oil cylinder 201, and the second positioning block 302 is arranged corresponding to the second fixed oil cylinder 202; the third positioning block 303 is arranged corresponding to the third fixed oil cylinder 203; the fixing pin 304 is arranged corresponding to the movable oil cylinder 204.

The parts of the clamping device 2 and the positioning device 3 are correspondingly arranged, and each fixed oil cylinder and each positioning block are correspondingly arranged, so that the use obstacles of redundant devices are reduced.

In the embodiment of the present invention, the fixing plate 102 is further provided with a side supporting post rod 205, and the fixing plate 102 is further provided with a bottom supporting post rod 206; the side support post rods 205 and the bottom support post rods 206 are auxiliary support points, and the auxiliary support points can enhance the clamping effect of the device.

In the embodiment of the present invention, the device body 1 is further provided with a rib plate 103; the rib plate 103 is arranged on the fixing plate 102, so that the structural strength between the fixing plate 102 and the device base 101 can be enhanced, and potential safety hazards caused by the split or deformation of the device body 1 can be avoided.

In the embodiment of the present invention, the fixing plate 102 is further provided with movable pins 207, and the number of the movable pins 207 corresponds to the number of the fixing holes of the workpiece 4; the movable pin 207 is used for auxiliary fixation, and the machined workpiece is prevented from falling and deforming after the clamping device 2 is loosened.

In the embodiment of the present invention, the first positioning block 301, the second positioning block 302 and the third positioning block 303 are all provided with airtight detection holes, and the diameter of the airtight detection hole is 0.77 mm; the air tightness detection hole can be used for detecting whether a workpiece is clamped in place or not, the diameter of the air tightness detection hole is reduced, the detection sensitivity can be improved, and the problem of air tightness detection judgment errors is solved.

As a preferred embodiment of the present invention, the device body 1 can be provided with a plurality of clamping devices 2 and positioning devices 3 by increasing the size of the fixing plate 102, so that the auxiliary time of the machine tool can be reduced, and the processing efficiency can be improved; the continuous operation time of the machine tool can be increased, a plurality of machine tools can be operated by one person, and the personnel cost is reduced.

2. The above technical scheme of the utility model the lateral part and the bottom of work piece have all increased the auxiliary stay hydro-cylinder, have greatly improved clamping rigidity and processing stability.

3. The above technical scheme of the utility model reduce original airtight inspection hole diameter to 0.77mm, reduce airtight inspection hole diameter and can improve detectivity, stop airtight detection and judge wrong problem.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of the description, and do not 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 present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and embellishments can be made without departing from the principle of the present invention, and these improvements and embellishments should also be regarded as the protection scope of the present invention.

Claims

1. The numerical control machine tool clamp is characterized by comprising a device body (1), a clamping device (2) and a positioning device (3);

the device body (1) comprises a device base (101) and a fixing plate (102), the fixing plate (102) is vertically arranged on the device base (101), and the clamping device (2) and the positioning device (3) are movably arranged on the fixing plate (102);

the clamping device (2) comprises a first fixed oil cylinder (201), a second fixed oil cylinder (202), a third fixed oil cylinder (203) and a movable oil cylinder (204);

the first fixed oil cylinder (201) is arranged at a first position on the fixed plate (102), the second fixed oil cylinder (202) is arranged at a second position on the fixed plate (102), the third fixed oil cylinder (203) is arranged at a third position on the fixed plate (102), and the movable oil cylinder (204) is arranged at a fourth position on the fixed plate (102).

2. The numerical control machine tool fixture according to claim 1, characterized in that the positioning device (3) comprises a first positioning block (301), a second positioning block (302), a third positioning block (303) and a fixing pin (304);

the first positioning block (301) is arranged at a fifth position on the fixing plate (102), the second positioning block (302) is arranged at a sixth position on the fixing plate (102), the third positioning block (303) is arranged at a seventh position on the fixing plate (102), and the fixing pin (304) is arranged at an eighth position on the fixing plate (102);

the first positioning block (301) is arranged corresponding to the first fixed oil cylinder (201), and the second positioning block (302) is arranged corresponding to the second fixed oil cylinder (202); the third positioning block (303) is arranged corresponding to the third fixed oil cylinder (203); the fixing pin (304) is arranged corresponding to the movable oil cylinder (204).

3. The numerically-controlled machine tool fixture according to claim 1, characterized in that a side supporting top rod (205) is further arranged on the fixed plate (102).

4. The numerical control machine tool fixture according to claim 1, characterized in that a bottom support ejector rod (206) is further provided on the fixing plate (102).

5. The numerical control machine tool fixture according to claim 1, characterized in that the device body (1) is further provided with a rib plate (103).

6. The numerical control machine tool fixture according to claim 1, characterized in that a movable pin (207) is further provided on the fixing plate (102).

7. The numerical control machine tool fixture according to claim 6, characterized in that the number of the movable pins (207) is set corresponding to the number of the fixing holes of the workpiece (4).

8. The numerical control machine tool fixture according to claim 2, wherein the first positioning block (301), the second positioning block (302) and the third positioning block (303) are provided with air tightness detection holes.

9. The numerical control machine tool jig according to claim 8, wherein the airtightness detection hole has a diameter of 0.77 mm.