CN218836845U

CN218836845U - Clamping device and numerical control machine tool

Info

Publication number: CN218836845U
Application number: CN202223007635.3U
Authority: CN
Inventors: 陈辉; 朱育松
Original assignee: Dongguan Dingtu Precision Mechanical Equipment Co ltd
Current assignee: Dongguan Dingtu Precision Mechanical Equipment Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-04-11
Anticipated expiration: 2032-11-11

Abstract

The utility model relates to a clamping device and a numerical control machine tool, the clamping device is used for clamping a cylindrical rod, the clamping device comprises a base, a clamping piece and a power assembly, the clamping piece comprises a supporting part and a plurality of fastening parts, the supporting part is installed on the base, one end of each fastening part is connected with the supporting part, each fastening part is arranged along the circumference of the supporting part at intervals, one end of the fastening part connected with the supporting part is an inclined plane, the other end is concave downwards and is provided with a step part, and the step part is used for bearing the cylindrical rod; the power assembly comprises a push block and a clamping power element, and the inner side of the push block is provided with a butt joint surface corresponding to the inclined surface; the push block is sleeved on the supporting part, and the clamping power element is used for driving the push block to lift; when the push block rises, the abutting surface moves along the inclined surface to force the fastening parts to approach each other; the cylindrical rod is placed on the step portion, the pushing block is pushed to rise by the clamping power element, the abutting surface moves along the inclined surface, and then the fastening portions are forced to be close to each other, so that the cylindrical rod is clamped and is suitable for cylindrical rods with different diameters.

Description

Clamping device and numerical control machine tool

Technical Field

The utility model relates to a digit control machine tool equipment technical field especially relates to a clamping device and digit control machine tool.

Background

The numerical control machine is an automatic machine tool provided with a program control system, and during the process of machining a metal part by utilizing the numerical control machine, in order to achieve machining stability, materials to be machined need to be fixed, and different clamps, such as cylindrical rods, can be used for fixing the materials according to different shapes. At present, the required anchor clamps of cylinder stick processing can't stretch out and draw back and adjust for anchor clamps can not fix according to the cylinder stick of different diameters, and the commonality that makes anchor clamps is relatively poor, and the cylinder stick to different diameters needs different anchor clamps, causes the waste, uses inconveniently.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a clamping device and a numerical control machine tool which are convenient to use.

A clamping device is used for clamping a cylindrical rod and comprises a base, a clamping piece and a power assembly, wherein the clamping piece comprises a supporting part and a plurality of fastening parts, the supporting part is installed on the base, one end of each fastening part is connected with the supporting part, the fastening parts are arranged at intervals along the periphery of the supporting part, one end of each fastening part connected with the supporting part is an inclined plane, the other end of each fastening part is recessed to form a stepped part, and the stepped part is used for bearing the cylindrical rod; the power assembly comprises a push block and a clamping power element, and the inner side of the push block is provided with a butt joint surface corresponding to the inclined surface; the push block is sleeved on the supporting part, and the clamping power element is used for driving the push block to lift; when the push block rises, the abutting surface moves along the inclined surface to force the fastening parts to approach each other.

In one embodiment, the cross section of the step part is in a sector shape, and the step parts are encircled to form a circle.

In one embodiment, one end of the inclined surface is connected with the supporting part, and the other end extends obliquely outwards.

In one embodiment, the number of the fastening parts is four, and the outer side of each fastening part is surrounded to form a cylinder.

In one embodiment, the clamp is made of spring steel.

In one embodiment, the power assembly further comprises a guide rail and a slider; the guide rail is arranged on the base, the sliding block is arranged on the guide rail in a sliding mode, and the clamping power element is arranged in the guide rail; the clamping power element, the guide rails and the sliding blocks are two and are in one-to-one correspondence, and the two guide rails are respectively installed on two sides of the base.

In one embodiment, the push block comprises a sliding part and two connecting parts, the supporting part penetrates through the sliding part, and the two connecting parts are respectively connected with two sides of the sliding part; the connecting part is connected with the sliding block.

In one embodiment, the electronic device further comprises a control component, wherein the control component comprises a display screen, a PCB and a controller, the display screen is mounted on the base, the PCB is mounted on the display screen, and the controller is electrically connected with the PCB; the clamping power element and the display screen are respectively in signal connection with the controller.

In one embodiment, the control assembly further comprises two fool-proof buttons, each of the fool-proof buttons is mounted on the base, and the fool-proof buttons are in signal connection with the controller.

A digit control machine tool, includes foretell clamping device.

The clamping device clamps the cylindrical rod by placing the cylindrical rod on the step part, the clamping power element pushes the push block to ascend, and the abutting surface moves along the inclined surface to force the fastening parts to approach each other; the clamping device is convenient to use and is suitable for cylindrical rods with different diameters.

Drawings

Fig. 1 is a schematic structural view of a clamping device according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a clamping member of the clamping device shown in FIG. 1;

FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1, wherein the base, guide rails, slide blocks and clamping power elements are not shown;

fig. 4 is a schematic structural diagram of a push block in the clamping device shown in fig. 1.

The reference numbers in the figures have the meaning:

100. a clamping device; 10. a base; 20. a clamping member; 21. a support portion; 22. a fastening section; 221. an inclined surface; 23. a step portion; 30. a power assembly; 31. pushing a block; 310. an abutting surface; 311. a sliding part; 312. a connecting portion; 32. clamping the power element; 33. a guide rail; 34. a slider; 40. a control component; 41. a display screen; 42. a fool-proof button.

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. The invention may be embodied in many other forms different from those described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not to be limited to the specific embodiments disclosed below.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of 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" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 4, in order to provide a numerical control machine tool according to an embodiment of the present invention, the numerical control machine tool includes a clamping device 100, the clamping device 100 is used for clamping a cylindrical rod, the clamping device 100 includes a base 10, a clamping member 20 and a power assembly 30, the clamping member 20 includes a supporting portion 21 and a plurality of fastening portions 22, the power assembly 30 includes a push block 31 and a clamping power element 32, one end of the fastening portion 22 connected to the supporting portion 21 is an inclined surface 221, the other end is recessed to form a step portion 23, and an abutting surface 310 corresponding to the inclined surface 221 is disposed on an inner side of the push block 31; in the clamping apparatus 100, the cylindrical rod is placed on the stepped portion 23, the clamping power element 32 further pushes the push block 31 to ascend, the abutment surface 310 moves along the inclined surface 221 to force the fastening portions 22 to approach each other, and thus the cylindrical rod is clamped.

As shown in fig. 1 to 3, in the present embodiment, the clamping member 20 includes a supporting portion 21 and a plurality of fastening portions 22, the supporting portion 21 is mounted on the base 10, and optionally, the supporting portion 21 has a circular cross section; one end of each fastening part 22 is connected with the supporting part 21, each fastening part 22 is arranged along the circumference of the supporting part 21 at intervals, one end of each fastening part 22 connected with the supporting part 21 is an inclined surface 221, the other end is concavely provided with a stepped part 23, and the stepped part 23 is used for bearing the cylindrical rod; optionally, there are four fastening portions 22, and the outer side of each fastening portion 22 is surrounded to form a cylinder; the step portion 23 is provided inside the fastening portion 22. Further, the clamping member 20 is made of spring steel, so as to facilitate deformation; one end of the inclined surface 221 is connected to the support portion 21, and the other end thereof extends obliquely outward; the cross section of the step part 23 is fan-shaped, and each step part 23 is surrounded to be circular to clamp the cylindrical rod.

As shown in fig. 1, 3 and 4, the power assembly 30 includes a push block 31 and a clamping power element 32, and an abutting surface 310 corresponding to the inclined surface 221 is provided on the inner side of the push block 31; the pushing block 31 is sleeved on the supporting part 21, and the clamping power element 32 is used for driving the pushing block 31 to lift; when the push block 31 is lifted, the abutting surface 310 moves along the inclined surface 221 to force the fastening portions 22 to approach each other, so as to clamp the cylindrical rod, and the stepped portion 23 is disposed on the inner side of the fastening portions 22, so that the cylindrical rod is centered in the clamping process. Optionally, the push block 31 includes a sliding portion 311 and two connecting portions 312, the abutting surface 310 is disposed on the inner side of the sliding portion 311, the supporting portion 21 penetrates through the sliding portion 311, and the two connecting portions 312 are respectively connected to two sides of the sliding portion 311; further, the clamping power element 32 is a cylinder. In one embodiment, the power assembly 30 further includes a guide rail 33 and a slider 34; the guide rail 33 is arranged on the base 10, the slide block 34 is arranged on the guide rail 33 in a sliding way, and the clamping power element 32 is arranged in the guide rail 33; the clamping power elements 32, the guide rails 33 and the sliding blocks 34 are two and are in one-to-one correspondence, and the two guide rails 33 are respectively installed on two sides of the base 10; the connecting portion 312 connects the slider 34.

As shown in fig. 1, the clamping apparatus 100 further includes a control assembly 40, the control assembly 40 includes a display 41, a PCB (not shown) and a controller (not shown), the display 41 is mounted on the base 10, the PCB is mounted on the display 41, and the controller is electrically connected to the PCB; the clamping power element 32 and the display screen 41 are respectively in signal connection with the controller; optionally, the display screen 41 is a touch screen; when in use, the lifting height of the sliding block 34 is controlled through the display screen 41 according to the diameter of the cylindrical rod. Further, the control assembly 40 of the clamping device 100 further includes two fool-proof buttons 42, each fool-proof button 42 is mounted on the base 10, and the fool-proof button 42 is in signal connection with the controller; in use, the user's hands touch the fool-proof button 42 respectively, and the power element 32 can be held to operate, so as to ensure that the user's hands are away from the holder 20 to prevent pinching.

When the clamping device is used, a cylindrical rod is placed on the step part 23, the clamping power element 32 pushes the push block 31 to ascend, the abutting surface 310 moves along the inclined surface 221, and the fastening parts 22 are folded, so that the cylindrical rod is clamped and centered; when the material needs to be discharged, the push block 31 descends, and the fastening part 22 expands under the resilience force of the fastening part 22, so that the cylindrical rod is loosened.

The clamping device 100 clamps the cylindrical rod by placing the cylindrical rod on the step portion 23, the clamping power element 32 further pushes the push block 31 to ascend, and the abutting surface 310 moves along the inclined surface 221 to force the fastening portions 22 to approach each other; the clamping device 100 is convenient to use and suitable for cylindrical rods with different diameters.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A clamping device is used for clamping a cylindrical rod and is characterized by comprising a base, a clamping piece and a power assembly, wherein the clamping piece comprises a supporting portion and a plurality of fastening portions, the supporting portion is installed on the base, one end of each fastening portion is connected with the supporting portion, the fastening portions are arranged at intervals along the circumference of the supporting portion, one end, connected with the supporting portion, of each fastening portion is an inclined surface, the other end of each fastening portion is concave, a step portion is arranged, and the step portion is used for bearing the cylindrical rod; the power assembly comprises a push block and a clamping power element, and the inner side of the push block is provided with a butt joint surface corresponding to the inclined surface; the push block is sleeved on the supporting part, and the clamping power element is used for driving the push block to lift; when the push block rises, the abutting surface moves along the inclined surface to force the fastening parts to approach each other.

2. The clamping device as recited in claim 1, wherein the cross section of the step portion is a sector, and each step portion is formed in a circular shape.

3. The clamping device as recited in claim 1, wherein one end of the inclined surface is connected to the support portion, and the other end of the inclined surface extends obliquely outward.

4. The clamping device as recited in claim 1, wherein the number of the fastening portions is four, and the outer side of each fastening portion is formed in a cylindrical shape.

5. The clamping device as recited in claim 1, wherein the clamping member is made of spring steel.

6. The clamping device of claim 1, wherein the power assembly further comprises a guide rail and a slider; the guide rail is arranged on the base, the sliding block is arranged on the guide rail in a sliding mode, and the clamping power element is arranged in the guide rail; the clamping power element, the guide rails and the sliding blocks are two and are in one-to-one correspondence, and the two guide rails are respectively installed on two sides of the base.

7. The clamping device according to claim 6, wherein the pushing block comprises a sliding part and two connecting parts, the supporting part penetrates through the sliding part, and the two connecting parts are respectively connected with two sides of the sliding part; the connecting part is connected with the sliding block.

8. The clamping device according to claim 1, further comprising a control assembly, wherein the control assembly comprises a display screen, a PCB and a controller, the display screen is mounted on the base, the PCB is mounted on the display screen, and the controller is electrically connected with the PCB; the clamping power element and the display screen are respectively in signal connection with the controller.

9. The clamping device as recited in claim 8, wherein the control assembly further comprises two fool-proof buttons, each of the fool-proof buttons being mounted to the base, the fool-proof buttons being in signal connection with the controller.

10. A numerically controlled machine tool comprising a clamping device according to any one of claims 1 to 9.