阅读说明：本技术 一种锁止机构及锁止方法 (Locking mechanism and locking method ) 是由 郁其娟 朱晓华 蒋利伟 王凯丰 陆小华 于 2021-09-30 设计创作，主要内容包括：本发明公开了一种锁止机构,涉及切削设备技术领域,包括轴一,轴一沿径向设有通孔；弹簧,弹簧的一端和轴一连接,弹簧的另一端设有限位体一；转动连接于轴一内的轴二,轴二沿径向设有与限位体一配合的凹槽一和凹槽二；套设于轴一外侧的壳体,壳体内设有凹槽三；活动连接于通孔内的限位体二。针对切削设备的进给机构的锁止效率低的的技术问题,本发明的技术效果在于它能提高锁止效率。(The invention discloses a locking mechanism, which relates to the technical field of cutting equipment and comprises a first shaft, wherein the first shaft is provided with a through hole along the radial direction; one end of the spring is connected with the first shaft, and the other end of the spring is provided with a first limiting body; the second shaft is rotatably connected in the first shaft, and a first groove and a second groove which are matched with the first limiting body are arranged on the second shaft along the radial direction; the shell is sleeved on the outer side of the first shaft, and a third groove is formed in the shell; and the second limiting body is movably connected in the through hole. Aiming at the technical problem of low locking efficiency of a feeding mechanism of cutting equipment, the invention has the technical effect that the locking efficiency can be improved.)

1. A locking mechanism, comprising:

the first shaft is uniformly provided with through holes along the radial direction;

one end of the spring is connected with the first shaft, and the other end of the spring is provided with a first limiting body;

the second shaft is rotatably connected into the first shaft, and a first groove and a second groove which are matched with the first limiting body are formed in the second shaft along the radial direction;

the shell is sleeved on the outer side of the first shaft, and a third groove is formed in the shell;

and the second limiting body is movably connected in the through hole.

2. The locking mechanism of claim 1, wherein the first groove comprises a first groove disposed opposite to the second groove and a second groove disposed between adjacent first grooves, the first groove and the second groove both cooperate with the first limiting body, and the first groove and the second groove are both disposed on the second shaft.

3. The lock mechanism as claimed in claim 2, wherein the first groove and the second groove are both V-shaped in the axial direction of the first shaft.

4. The locking mechanism as claimed in any one of claims 1 to 3, wherein a plurality of said second grooves are radially and uniformly distributed on said second shaft.

5. The lock mechanism as claimed in any one of claims 1 to 3, wherein the first shaft and the second shaft are connected by an axial stop.

6. A lock mechanism according to any one of claims 1 to 3, wherein the first shaft is provided with the first engagement portion.

7. The lock mechanism as claimed in any one of claims 1 to 3, wherein the volume of the first position limiting body is smaller than the volume of the second position limiting body.

8. The lock mechanism as claimed in claim 7, wherein the first and second position-limiting bodies are each a sphere.

9. A locking method, a locking mechanism according to any one of claims 1 to 8, comprising:

the second rotating shaft enables the second limiting body to be matched with the second groove, and enables the first limiting body to be matched with the first groove of the first groove; or the like, or, alternatively,

and the second rotating shaft enables the second limiting body to be matched with the third groove, and enables the first limiting body to be matched with the first second groove of the first groove.

Technical Field

The invention relates to the technical field of cutting equipment, in particular to a locking mechanism and a locking method.

Background

The cutting equipment is mechanical equipment for cutting, and comprises a lathe, a milling machine, a magnetic seat drilling machine and the like, wherein after the magnetic seat drilling machine is connected with a power supply, the magnetic seat can generate strong magnetic force, so that the magnetic seat drilling machine can be adsorbed on a workpiece to drill, and the miniaturization development of the cutting equipment is promoted.

In order to adapt to different cutting requirements and increase cutting adaptability, the cutting equipment generally needs to lock and clutch a feeding mechanism, and the specific steps are as follows: the locking tool is firstly positioned by matching the locking mechanism of the locking tool and the cutting device, then the locking tool is used for rotating the locking mechanism for locking, and finally the locking tool is taken out, so that the locking efficiency is low, and the cutting efficiency of the cutting device is low.

Disclosure of Invention

1. Technical problem to be solved by the invention

The invention provides a locking mechanism and a locking method, aiming at the technical problem of low locking efficiency of a feeding mechanism of cutting equipment, and the locking mechanism and the locking method can improve the locking efficiency.

2. Technical scheme

In order to solve the problems, the technical scheme provided by the invention is as follows:

a locking mechanism, comprising:

the first shaft is uniformly provided with through holes along the radial direction;

one end of the spring is connected with the first shaft, and the other end of the spring is provided with a first limiting body;

the second shaft is rotatably connected into the first shaft, and a first groove and a second groove which are matched with the first limiting body are formed in the second shaft along the radial direction;

the shell is sleeved on the outer side of the first shaft, and a third groove is formed in the shell;

and the second limiting body is movably connected in the through hole.

Optionally, the first groove comprises a first groove and a second groove, the first groove is opposite to the second groove, the second groove is located between the first grooves, the first groove and the second groove are matched with the first limiting body, and the first groove and the second groove are both arranged on the second shaft.

Optionally, the first groove and the second groove are both V-shaped along the axial direction of the first shaft.

Optionally, a plurality of second grooves are uniformly distributed on the second shaft along the radial direction.

Optionally, the first shaft and the second shaft are connected through an axial limiting piece.

Optionally, a first matching part is arranged on the first shaft.

Optionally, the volume of the first position limiting body is smaller than that of the second position limiting body.

Optionally, the first position limiting body and the second position limiting body are both spherical bodies.

A locking method, according to a locking mechanism, comprising:

the second rotating shaft enables the second limiting body to be matched with the second groove, and enables the first limiting body to be matched with the first groove of the first groove; or the like, or, alternatively,

and the second rotating shaft enables the second limiting body to be matched with the third groove, and enables the first limiting body to be matched with the first second groove of the first groove.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects: only the second rotating shaft is needed, the second limiting body is matched with the second groove or the third groove, if the locking mechanism is used for cutting equipment, locking or clutch of the feeding mechanism can be achieved, a locking tool is not needed, and locking efficiency is high; meanwhile, the first limiting body is matched with the first groove, and if the locking mechanism is used for cutting equipment such as a lathe, a milling machine or a magnetic seat drilling machine, the first shaft and the second shaft can be prevented from rotating relatively when the feeding mechanism is locked or separated.

Drawings

Fig. 1 is an exploded view of a locking mechanism according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a locking mechanism according to an embodiment of the present invention;

FIG. 3 is a second schematic cross-sectional view of a locking mechanism according to an embodiment of the present invention;

in the figure: 1. a first shaft; 11. a through hole; 12. a first matching part; 2. a spring; 3. a first limiting body; 4. a second shaft; 41. a first groove; 411. the first groove is formed; 412. the first second groove; 42. a second groove; 5. a housing; 51. a third groove; 6. a second limiting body; 7. an axial stop.

Detailed Description

For a further understanding of the present invention, reference will now be made in detail to the embodiments illustrated in the drawings.

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. The terms first, second, and the like in the present invention are provided for convenience of describing the technical solution of the present invention, and have no specific limiting effect, but are all generic terms, and do not limit the technical solution of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

With reference to fig. 1-3, the present embodiment provides a locking mechanism, including:

the shaft I1 is uniformly provided with through holes 11 along the radial direction;

one end of the spring 2 is connected with the shaft I1, and the other end of the spring 2 is provided with a limiting body I3;

the second shaft 4 is rotatably connected in the first shaft 1, and the first shaft 4 is provided with a first groove 41 and a second groove 42 which are matched with the first limiting body 3 along the radial direction;

the shell 5 is sleeved on the outer side of the first shaft 1, and a third groove 51 is formed in the shell 5;

the second limiting body 6 is movably connected in the through hole 11.

Specifically, the through hole 11 is supported by the first shaft 1, so that the stability of the through hole 11 can be ensured, and the second limiting body 6 is movably connected in the through hole 11, and the through hole 11 is used for accommodating the second limiting body 6, so that the stability of the second limiting body 6 is ensured, wherein the through holes 11 are uniformly distributed along the radial direction of the first shaft 1, so that the symmetry of the first shaft 1 can be ensured; the second groove 42 is borne by the second shaft 4, the stability of the second groove 42 can be guaranteed, the second groove 42 is used for accommodating the second limiting body 6, when the second limiting body 6 is located in the second groove 42, the first shaft 1 and the shell 5 can move relatively, if the locking mechanism is used for cutting equipment such as a lathe, a milling machine or a magnetic seat drilling machine, the shell 5 is equivalent to a cutting equipment body and is in a fixed state, the first shaft 1 is in a rotatable state, and at the moment, the feeding mechanism is in a clutch state; the third groove 51 is used for accommodating the second limiting body 6, when the second limiting body 6 is positioned in the third groove 51, the first shaft 1 and the shell 5 cannot move relatively, namely the first shaft 1 and the shell 5 are in a locking state, if the locking mechanism is used for cutting equipment such as a lathe, a milling machine or a magnetic seat drilling machine, the shell 5 is equivalent to a cutting equipment body and is in a fixed state, the first shaft 1 is in a non-rotatable state, and the feeding mechanism is in a locking state at the moment, wherein in order to increase the fault-tolerant rate and ensure the symmetry of the shell 5, a plurality of the third grooves 51 can be uniformly distributed along the radial direction of the shell 5, the specific number of the third grooves 51 is not limited and can be determined according to comprehensive consideration of factors such as processing and manufacturing, cost and the like; the first groove 41 is borne by the second shaft 4, so that the stability of the first groove 41 can be guaranteed, the first groove 41 is used for being matched with the first limiting body 3, the first shaft 1 and the second shaft 4 are guaranteed to be relatively fixed, and if the locking mechanism is used for cutting equipment such as a lathe, a milling machine or a magnetic seat drilling machine, the first shaft 1 and the second shaft 4 can be prevented from relatively rotating when the feeding mechanism is in clutch or locking; the spring 2 is loaded by the first shaft 1, the stability of the spring 2 can be ensured, the spring 2 is used for connecting the first limiting body 3 to drive the first limiting body 3 to do telescopic motion, so that the first limiting body 3 is matched with or separated from the first groove 41, wherein the first limiting body 3 and the second limiting body 6 can be spherical bodies, elliptic bodies or columnar bodies and the like, the spherical bodies enable the surfaces of the first limiting body 3 and the second limiting body 6 to be round and smooth, the first limiting body 3 and the first groove 41 are convenient to match or separate, the second limiting body 6 and the second groove 42 are convenient to match or separate, or the second limiting body 6 and the third groove 51 are convenient to match or separate, the limiting efficiency is high, the ellipsoidal bodies enable the first limiting body 3 to be large in size in the first groove 41, meanwhile, the second limiting body 6 is large in size in the second groove 42 or the third groove 51, the limiting stability is good, and the columnar bodies enable the contact area of the first limiting body 3 and the first groove 41 to be large, meanwhile, the contact area between the second limiting body 6 and the second groove 42 or the third groove 51 is large, and the limiting stability is good.

Therefore, only the second rotating shaft 4 is needed, the second limiting body 6 is matched with the second groove 42 or the third groove 51, if the locking mechanism is used for cutting equipment, locking or clutch of the feeding mechanism can be achieved, a locking tool is not needed, and locking efficiency is high; meanwhile, the first limiting body 3 is matched with the first groove 41, and if the locking mechanism is used for cutting equipment such as a lathe, a milling machine or a magnetic seat drilling machine, the first shaft 1 and the second shaft 4 can be prevented from rotating relatively when the feeding mechanism is locked or disengaged.

The specific locking mode is as follows: rotating the second shaft 4 to enable the second limiting body 6 to be matched with the second groove 42 and enable the first limiting body 3 to be matched with the first groove 411 of the first groove 41, wherein the first shaft 1 and the shell 5 can move relatively, and if the locking mechanism is used for cutting equipment such as a lathe, a milling machine or a magnetic seat drilling machine, a feeding mechanism of the cutting equipment is in a clutch state; and rotating the shaft II 4 to enable the limiting body II 6 to be matched with the groove III 51 and enable the limiting body I3 to be matched with the second groove I412 of the groove I41, wherein the shaft I1 and the shell 5 cannot move relatively, namely the shaft I1 and the shell 5 are in a locking state, and if the locking mechanism is used for cutting equipment such as a lathe, a milling machine or a magnetic seat drilling machine, a feeding mechanism of the cutting equipment is in the locking state.

Further, the first groove 41 includes a first groove 411 opposite to the second groove 42 and a second groove 412 located between the adjacent first grooves 411, the first groove 411 and the second groove 412 are both matched with the first stopper 3, and the first groove 411 and the second groove 412 are both disposed on the second shaft 4.

Specifically, the first groove 411 is supported by the second shaft 4, so that the stability of the first groove 411 can be ensured, the first groove 411 and the second groove 42 are arranged oppositely, namely after the second groove 42 rotates 180 degrees, a connecting line of centers of the first groove 411 and the second groove 42 is parallel to the second shaft 4, so that when the limiting body II 6 is matched with the second groove 42, the limiting body I3 is matched with the first groove 411, and if the locking mechanism is used for cutting equipment such as a lathe, a milling machine or a magnetic seat drilling machine, the first shaft 1 and the second shaft 4 can be prevented from rotating relatively when the feeding mechanism is in a clutch state; the first second groove 412 is supported through the second shaft 4, the stability of the first second groove 412 can be guaranteed, and the first second groove 412 is located between the adjacent first grooves 411, so that when the second limiting body 6 is matched with the third groove 51, the first limiting body 3 is matched with the first second groove 412, and if the locking mechanism is used for cutting equipment such as a lathe, a milling machine or a magnetic seat drilling machine, the first shaft 1 and the second shaft 4 can be prevented from rotating relatively when the feeding mechanism is in a locking state.

Further, in the axial direction of the first shaft 1, the first groove 411 and the second groove 412 are both V-shaped.

Specifically, the V-shape enables the openings of the first groove 411 and the second groove 412 to be larger, so that the first groove 411 and the first limiting body 3 can be conveniently matched or separated, and the second groove 412 and the first limiting body 3 can be conveniently matched or separated.

Furthermore, a plurality of grooves 42 are uniformly distributed on the second shaft along the radial direction.

Specifically, in order to increase the fault tolerance and ensure the symmetry of the second shaft 4, the second grooves 42 may be uniformly distributed along the second shaft 4 in the radial direction, and the specific number of the second grooves 42 is not limited and may be determined according to the comprehensive consideration of the factors of processing and manufacturing, cost, and the like.

Further, the first shaft 1 and the second shaft 4 are connected through an axial limiting piece 7.

Specifically, axial locating part 7 is used for restricting axle one 1 and axle two 4 to take place axial displacement to guarantee axle one 1 and axle two 4 and take place radial rotation, axial locating part 7 can be grub screw, countersunk screw or button head screw etc. wherein, grub screw makes axial locating part 7 be convenient for use with the gasket cooperation, the damping of being convenient for, countersunk screw makes axial locating part 7 atress great, the button head screw makes axial locating part 7 convenient to detach.

Further, the first shaft 1 is provided with a first matching part 12.

Specifically, the shaft 1 is generally used as an output end, and the matching part 12 is used for facilitating the matching of the shaft 1 and an execution assembly of cutting equipment such as a lathe, a milling machine or a magnetic seat drilling machine.

Furthermore, the volume of the first position limiting body 3 is smaller than that of the second position limiting body 6.

Specifically, the first limiting body 3 is used for preventing the first shaft 1 and the second shaft 4 from rotating relatively, the first limiting body 3 can bear relatively small acting force due to relatively small volume, and if the locking mechanism is used for cutting equipment such as a lathe, a milling machine or a magnetic seat drilling machine, the first shaft 1 and the second shaft 4 can be prevented from rotating relatively when the feeding mechanism is in a clutch or locking state; the second limiting body 6 is used for preventing the first shaft 1 and the shell 5 from rotating relatively, the second limiting body 6 can bear relatively large acting force due to relatively large volume, and if the locking mechanism is used for cutting equipment such as a lathe, a milling machine or a magnetic seat drilling machine, the first shaft 1 and the shell 5 can be prevented from rotating relatively when the feeding mechanism is locked.

Furthermore, the first limiting body 3 and the second limiting body 6 are both spherical bodies.

Specifically, the spherical body enables the surfaces of the first limiting body 3 and the second limiting body 6 to be smooth and round, so that the first limiting body 3 is convenient to be matched with or separated from the first groove 41, the second limiting body 6 is convenient to be matched with or separated from the second groove 42, or the second limiting body 6 is convenient to be matched with or separated from the third groove 51.

Specifically, the chromium stainless steel enables the corrosion resistance of the first limiting body 3 and the second limiting body 6 to be good, and the chromium nickel stainless steel enables the corrosion resistance of the first limiting body 3 and the second limiting body 6 to be good and enables the strength of the first limiting body 3 and the strength of the second limiting body 6 to be high.

Example 2

With reference to fig. 1 to 3, the present embodiment provides a locking method, according to the technical solution of embodiment 1, including:

rotating the second shaft 4 to enable the second limiting body 6 to be matched with the second groove 42 and enable the first limiting body 3 to be matched with the first groove 411 of the first groove 41; or the like, or, alternatively,

and rotating the second shaft 4 to enable the second limiting body 6 to be matched with the third groove 51, and enable the first limiting body 3 to be matched with the first second groove 412 of the first groove 41.

Specifically, the second shaft 4 is rotated, so that the second limiting body 6 is matched with the second groove 42, and the first limiting body 3 is matched with the first groove 411 of the first groove 41, the first shaft 1 and the shell 5 can move relatively, and if the locking mechanism is used for cutting equipment such as a lathe, a milling machine or a magnetic seat drilling machine, a feeding mechanism of the cutting equipment is in a clutch state; and rotating the shaft II 4 to enable the limiting body II 6 to be matched with the groove III 51 and enable the limiting body I3 to be matched with the second groove I412 of the groove I41, wherein the shaft I1 and the shell 5 cannot move relatively, namely the shaft I1 and the shell 5 are in a locking state, and if the locking mechanism is used for cutting equipment such as a lathe, a milling machine or a magnetic seat drilling machine, a feeding mechanism of the cutting equipment is in the locking state.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.