CN216029370U - Novel CNC rotating shaft - Google Patents

Abstract

The utility model discloses a novel CNC rotary shaft, which belongs to the technical field of rotary shafts and comprises a shaft head, a shaft body, a first shaft body and a second shaft body which are sequentially and coaxially arranged, wherein the shaft head is fixedly connected with one end of the shaft body, the other end of the shaft body is fixedly connected with the first shaft body, the first shaft body is of a hollow structure, the second shaft body comprises a connecting part, a wide body and a working part which are sequentially and coaxially connected, the connecting part is slidably connected into the first shaft body, a plurality of sliding grooves communicated with the inside of the second shaft body are uniformly distributed on the periphery of the second shaft body, clamping grooves corresponding to the sliding grooves one by one are formed on the periphery of the connecting part, sliding blocks adaptive to the size and the shape of the sliding grooves are slidably connected in the sliding grooves, one end, close to the clamping grooves, of each sliding block is fixedly connected with a clamping block adaptive to the size and the shape of the clamping groove, a fixing device for fixing the sliding blocks is arranged on the periphery of the first shaft body, the second shaft body with different calibers is convenient to replace, the method has the advantage of facilitating the processing of different types of workpieces by people.

Description

Novel CNC rotating shaft

Technical Field

The utility model relates to the technical field of rotating shafts, in particular to a novel CNC rotary rotating shaft.

Background

CNC is computer numerical control machine tool for short, is a by program control's automatic lathe, utilizes digital information to control lathe motion and course of working, and general CNC processing usually indicates precision machining, CNC processing lathe, CNC processing milling machine, CNC processing boring and milling machine etc. the most formula of fixing as an organic whole of the used pivot of general CNC machining center, can not dismantle the equipment, add man-hour to some special spare parts, be not convenient for change the pivot of different bore sizes, inconvenient people's use.

Based on the above, the utility model designs a novel CNC rotary shaft to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel CNC rotary shaft to solve the technical problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel CNC rotary shaft comprises a shaft head, a shaft body, a first shaft body and a second shaft body which are arranged in sequence and are coaxial, the shaft head is fixedly connected with one end of the shaft body, the other end of the shaft body is fixedly connected with a first shaft body, the first shaft body is of a hollow structure, the second shaft body comprises a connecting part, a wide body and a working part which are fixedly connected and coaxial in sequence, the connecting part is connected in the first shaft body in a sliding way, a plurality of chutes communicated with the inside of the second shaft body are uniformly distributed along the peripheral side of the second shaft body, the connecting part is provided with clamping grooves which are in one-to-one correspondence with the chutes along the peripheral side of the connecting part, the sliding block is connected with the sliding block matched with the sliding groove in size and shape, the sliding block is close to one end of the clamping groove and is fixedly connected with a clamping block matched with the clamping groove in size and shape, and the fixing device used for fixing the sliding block is arranged on the periphery of the first shaft body.

Preferably, the fixing device is a clamp.

Preferably, the first shaft body has a circumferential side provided with an annular groove, the annular groove passes through the middle part of one side of the sliding block away from the clamping groove, and the clamp is arranged inside the annular groove.

Preferably, one end of the connecting part of the second shaft body, which is far away from the wide body, is provided with a chamfer, and one end of the working part of the second shaft body, which is far away from the wide body, is provided with a chamfer.

Preferably, the working portion of the second shaft body is provided with a key groove.

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

according to the utility model, the second shaft body is connected with the first shaft body in a sliding manner, so that the second shaft bodies with different calibers can be conveniently replaced, the uniformly distributed sliding blocks generate forces with the same size and the same direction pointing to the axis of the second shaft body under the action of the clamp, so that the second shaft body and the first shaft body have better coaxiality, the clamping blocks fixedly connected to the sliding blocks are clamped with the clamping grooves, the second shaft body can be prevented from rotating relative to the first shaft body, the sliding blocks are tightly pressed in the sliding grooves through the clamp to fix the first shaft body and the second shaft body, the assembly and disassembly can be conveniently carried out, the second shaft bodies with different calibers can be conveniently replaced, and the processing of different types of workpieces is facilitated for people.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic view of the first shaft of the present embodiment;

FIG. 3 is a schematic structural diagram of the second shaft of the present embodiment;

fig. 4 is a schematic structural diagram of the highlighting slider of the embodiment.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a shaft head; 2. a shaft body; 3. a first shaft body; 31. a chute; 32. a ring groove; 4. a second shaft body; 41. a connecting portion; 411. a card slot; 42. a wide body; 43. a working part; 431. a keyway; 5. a slider; 51. a clamping block; 6. a fixing device; 7. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a novel CNC rotary shaft comprises a shaft head 1, a shaft body 2, a first shaft body 3 and a second shaft body 4 which are sequentially and coaxially arranged, wherein the shaft head 1 is fixedly connected with one end of the shaft body 2, the other end of the shaft body 2 is fixedly connected with the first shaft body 3, the first shaft body 3 is of a hollow structure, the second shaft body 4 comprises a connecting part 41, a wide body 42 and a working part 43 which are sequentially and fixedly connected and coaxial, the connecting part 41 is connected in the first shaft body 3 in a sliding mode, four sliding grooves 31 communicated with the second shaft body 4 are uniformly distributed on the periphery of the second shaft body 4, clamping grooves 411 which correspond to the sliding grooves 31 one by one are formed in the periphery of the connecting part 41, sliding blocks 5 which are in size and shape fit with the sliding grooves 31 are connected in the sliding mode in the sliding grooves 31, clamping blocks 51 which are in size and shape fit with the clamping grooves 411 are fixedly connected at one end, close to the clamping grooves 411, fixing devices 6 for fixing the sliding blocks 5 are sleeved on the periphery of the first shaft body 3, the spindle head 1, the spindle body 2 and the first spindle body 3 are of an integrated structure, and the sliding block 5 and the clamping block 51 are of an integrated structure.

Preferably, fixing device 6 is the clamp, and 3 surfaces of first axis body are located to the clamp cover, and encircle the middle part of keeping away from draw-in groove 411 one side in slider 5, and when the clamp was locked, slider 5 was impressed in spout 31 and fixture block 51 joint in draw-in groove 411, and in this embodiment, the clamp comprises two snap rings that the symmetry set up, connects through bolt 7 between two snap rings, and during bolt 7 locked, the clamp followed locking.

Preferably, the first axle body 3 week side has been seted up annular 32, and annular 32 passes the middle part of one side that the draw-in groove 411 was kept away from to slider 5, and the hoop cover is located in annular 32, and wherein, the convenient position of fixing the hoop of seting up of annular 32 prevents that the hoop from taking place to remove on the first axle body 3, leads to slider 5 not to be compressed tightly by the hoop.

Preferably, one end of the connecting portion 41 of the second shaft body 4, which is far away from the wide body 42, is provided with a chamfer, and one end of the working portion 43 of the second shaft body 4, which is far away from the wide body 42, is provided with a chamfer, wherein the chamfer can assist the connecting portion 41 to enter the first shaft body 3, and the working portion 43 is also convenient to be connected with a cutter.

Preferably, the operating portion 43 of the second shaft 4 is provided with a key groove 431, and the key groove 431 is used for connecting the operating portion 43 and the tool so as to prevent the tool from rotating relative to the operating portion 43.

One specific application of this embodiment is:

when the second shaft body 4 is installed, firstly, the connecting part 41 of the second shaft body 4 is inserted into the first shaft body 3, then the second shaft body 4 is rotated, the clamping grooves 411 on the second shaft body 4 are in one-to-one correspondence with the positions of the sliding grooves 31 on the first shaft body 3, at the moment, the sliding blocks 5 are inserted into the sliding grooves 31, the clamping blocks 51 on the sliding blocks 5 are clamped into the clamping grooves 411, after all the sliding blocks 5 in the sliding grooves 31 are installed, the clamping rings are sleeved in the annular grooves 32 and locked, the sliding blocks 5 are tightly pressed in the sliding grooves 31 through the clamping rings, when the second shaft body 4 is disassembled, the steps are opposite to the steps of the previous step, the installation and disassembly processes of the second shaft body 4 are simple and rapid, the second shaft bodies 4 with different calibers can be conveniently replaced, and the processing of different types of workpieces by people is facilitated.

In sum, the connection portion 41 is matched with the first shaft body 3, the second shaft body 4 and the first shaft body 3 are connected preliminarily, the stability of connection of the second shaft body 4 and the first shaft body 3 is guaranteed through the arrangement of the sliding groove 31, the sliding block 5 and the clamp, the coaxiality of the second shaft body 4 and the first shaft body 3 is guaranteed, the second shaft body 4 is prevented from rotating relative to the first shaft body 3 through the arrangement of the clamping block 51 and the clamping groove 411, and the stability in the machining process is improved.

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 those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "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; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a novel pivot of circling round of CNC, is including setting gradually and coaxial spindle nose (1), axle body (2), first axis body (3) and second axis body (4), its characterized in that: the shaft head (1) is fixedly connected with one end of the shaft body (2), the other end of the shaft body (2) is fixedly connected with the first shaft body (3), the first shaft body (3) is of a hollow structure, the second shaft body (4) comprises a connecting part (41), a wide body (42) and a working part (43) which are sequentially and fixedly connected and coaxial, the connecting part (41) is connected in the first shaft body (3) in a sliding manner, a plurality of chutes (31) communicated with the inside of the second shaft body (4) are uniformly distributed along the peripheral side of the second shaft body, clamping grooves (411) corresponding to the chutes (31) one by one are formed in the connecting part (41) along the peripheral side of the connecting part, sliding blocks (5) adapting to the size and the shape of the chutes (31) are connected in the chutes (31) in a sliding manner, one ends of the sliding blocks (5) close to the clamping grooves (411) are fixedly connected with clamping blocks (51) adapting to the size and the shape of the clamping grooves (411), and a fixing device (6) for fixing the sliding block (5) is arranged on the periphery of the first shaft body (3).

2. The novel CNC rotary shaft of claim 1, wherein: the fixing device (6) is a hoop.

3. The novel CNC rotary shaft of claim 2, wherein: annular groove (32) have been seted up to first axis body (3) week side, annular groove (32) pass the middle part of one side of draw-in groove (411) is kept away from in slider (5), the clamp set up in inside annular groove (32).

4. The novel CNC rotary shaft of claim 1, wherein: a chamfer is formed in one end, away from the wide body (42), of the connecting portion (41) of the second shaft body (4), and a chamfer is formed in one end, away from the wide body (42), of the working portion (43) of the second shaft body (4).

5. The novel CNC rotary shaft of claim 1, wherein: the working part (43) of the second shaft body (4) is provided with a key groove (431).

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