阅读说明：本技术 一种双向切换机构及切换方法 (Bidirectional switching mechanism and switching method ) 是由 姚红飞 朱晓华 朱红梅 蒋利伟 沈哲明 张�杰 于 2021-09-27 设计创作，主要内容包括：本发明公开了一种双向切换机构,涉及钻机零部件技术领域,包括轴一,轴一沿轴向设有通孔一,轴一沿径向均布有若干通孔二；活动连接于通孔一内的顶杆一,顶杆一沿径向设有凹槽一；活动连接于通孔一内的顶杆二,顶杆二和顶杆一固定连接；套设于轴一外的传动件,传动件内设有凹槽二；活动连接于通孔二内的限位体。针对自动进给和手动进给之间切换不便的技术问题,本发明的技术效果在于它便于切换。(The invention discloses a bidirectional switching mechanism, which relates to the technical field of drilling machine parts and comprises a first shaft, wherein the first shaft is provided with a first through hole along the axial direction, and a plurality of second through holes are uniformly distributed on the first shaft along the radial direction; the first ejector rod is movably connected in the first through hole and is provided with a first groove along the radial direction; the second ejector rod is movably connected in the first through hole and fixedly connected with the first ejector rod; the transmission part is sleeved outside the first shaft, and a second groove is formed in the transmission part; the limiting body is movably connected in the second through hole. Aiming at the technical problem of inconvenient switching between automatic feeding and manual feeding, the invention has the technical effect that the automatic feeding and manual feeding are convenient to switch.)

1. A two-way switching mechanism, comprising:

the first shaft is provided with a first through hole along the axial direction, and a plurality of second through holes are uniformly distributed along the radial direction;

the first ejector rod is movably connected in the first through hole and is provided with a first groove along the radial direction;

the second ejector rod is movably connected in the first through hole and fixedly connected with the first ejector rod;

the transmission part is sleeved outside the first shaft, and a second groove is formed in the transmission part;

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

2. The mechanism of claim 1, further comprising a second shaft movably connected to the first through hole, wherein one end of the second shaft is connected to the first plunger, and the other end of the second shaft is connected to the second plunger.

3. The mechanism of claim 2, wherein a first notch is formed at an end of the first plunger away from the second shaft, and a second notch is formed at an end of the second plunger away from the second shaft.

4. The mechanism of claim 2, wherein a step is disposed in the first through hole, both sides of the step are in contact with a gasket sleeved outside the shaft, a spring is in contact with a side of the gasket away from the step, and a side of the spring away from the gasket is in contact with the first plunger, or a side of the spring away from the gasket is in contact with the second plunger.

5. The mechanism of any one of claims 1-4, wherein a first engaging portion is disposed on a side of said transmission member away from said first shaft.

6. The mechanism of any one of claims 1 to 4, wherein a second engaging portion is provided on an outer side of said first shaft.

7. A mechanism according to any one of claims 1 to 4, wherein said first groove is annular in shape in the radial direction of said first plunger.

8. The mechanism of any one of claims 1-4, wherein the limiting member is a sphere.

9. The mechanism of claim 7, wherein the first groove is V-shaped along the axial direction of the first plunger.

10. A switching method, a two-way switching mechanism according to any one of claims 1 to 9, comprising:

pushing the first ejector rod to enable the limiting body to be matched with the first groove, loosening the first ejector rod, bouncing the first ejector rod by the spring to return to a free state, and matching the limiting body with the second groove;

pushing the second ejector rod, driving the first ejector rod to move to enable the limiting body to be matched with the first groove, loosening the second ejector rod, enabling the second ejector rod to be bounced open by the spring, driving the first ejector rod to return to a free state by the second ejector rod, and enabling the limiting body to be matched with the second groove;

and in a free state, the first ejector rod is bounced off by the spring, and the limiting body is positioned in the middle of the first groove of the first ejector rod and matched with the second groove of the transmission part.

Technical Field

The invention relates to the technical field of drilling machine parts, in particular to a bidirectional switching mechanism and a switching method.

Background

The drilling machine is mechanical equipment for drilling, and comprises a magnetic seat drilling machine and a non-magnetic seat drilling machine, 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 drilling machine is promoted.

The magnetic seat drilling machine often needs to drill in a limited space and needs to be switched between automatic feeding and manual feeding, but the switching handle is fixed on one side of the magnetic seat drilling machine, so that the switching is inconvenient, the switching time is prolonged, and the drilling efficiency of the magnetic seat drilling machine is low.

Disclosure of Invention

1. Technical problem to be solved by the invention

The invention provides a bidirectional switching mechanism and a switching method, aiming at the technical problem of inconvenient switching between automatic feeding and manual feeding.

2. Technical scheme

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

a two-way switching mechanism comprising:

the first shaft is provided with a first through hole along the axial direction, and a plurality of second through holes are uniformly distributed along the radial direction;

the first ejector rod is movably connected in the first through hole and is provided with a first groove along the radial direction;

the second ejector rod is movably connected in the first through hole and fixedly connected with the first ejector rod;

the transmission part is sleeved outside the first shaft, and a second groove is formed in the transmission part;

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

Optionally, the device further comprises a second shaft movably connected in the first through hole, one end of the second shaft is connected with the first ejector rod, and the other end of the second shaft is connected with the second ejector rod.

Optionally, one end of the first ejector rod, which is far away from the second shaft, is provided with a first notch, and one end of the second ejector rod, which is far away from the second shaft, is provided with a second notch.

Optionally, a step is arranged in the first through hole, the two sides of the step are in contact with gaskets sleeved outside the shaft, one side, far away from the step, of each gasket is in contact with a spring, one side, far away from the gaskets, of each spring is in contact with the first ejector rod, or one side, far away from the gaskets, of each spring is in contact with the second ejector rod.

Optionally, a first matching part is arranged on one side, away from the first shaft, of the transmission member.

Optionally, a second matching part is arranged on the outer side of the first shaft.

Optionally, along the radial direction of the first ejector rod, the first groove is annular in shape.

Optionally, the limiting body is a spheroid.

Optionally, along the axial direction of the first ejector rod, the first groove is in a V shape.

A switching method, according to a bidirectional switching mechanism, comprising:

pushing the first ejector rod to enable the limiting body to be matched with the first groove, loosening the first ejector rod, bouncing the first ejector rod by the spring to return to a free state, and matching the limiting body with the second groove;

pushing the second ejector rod, driving the first ejector rod to move to enable the limiting body to be matched with the first groove, loosening the second ejector rod, enabling the second ejector rod to be bounced open by the spring, driving the first ejector rod to return to a free state by the second ejector rod, and enabling the limiting body to be matched with the second groove;

and in a free state, the first ejector rod is bounced off by the spring, and the limiting body is positioned in the middle of the first groove of the first ejector rod and matched with the second groove of the transmission part.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects: when the push ejector rod II can drive the ejector rod I to move, or when the push ejector rod I can drive the ejector rod II to move, one part of the limiting body is located in the groove I or the groove II, if the bidirectional switching mechanism is used for the magnetic seat drilling machine, the switching between manual feeding and automatic feeding can be realized, and bidirectional adjustment can be realized by pushing the ejector rod I or the ejector rod II, the bidirectional switching is convenient, and even if the switching space of one side of the magnetic seat drilling machine is narrow and small, the other side of the magnetic seat drilling machine can also be switched.

Drawings

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

fig. 2 is a cross-sectional view of a bidirectional switching mechanism according to an embodiment of the present invention;

fig. 3 is a second cross-sectional view of the two-way switching mechanism according to the embodiment of the present invention;

in the figure: 1. a first shaft; 11. a first through hole; 12. a second through hole; 13. a step; 14. a second matching part; 2. a first ejector rod; 21. a first groove; 22. a first notch; 3. a second ejector rod; 31. a second notch; 4. a transmission member; 41. a second groove; 42. a first matching part; 5. a limiting body; 6. a second shaft; 7. a gasket; 8. a spring.

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 to 3, the present embodiment provides a bidirectional switching mechanism, including:

the shaft I1 is provided with a through hole I11 along the axial direction, and the shaft I1 is uniformly provided with a plurality of through holes II 12 along the radial direction;

the ejector rod I2 is movably connected in the through hole I11, and the ejector rod I2 is provided with a groove I21 along the radial direction;

the second ejector rod 3 is movably connected in the first through hole 11, and the second ejector rod 3 is fixedly connected with the first ejector rod 2;

the transmission piece 4 is sleeved outside the first shaft 1, and a second groove 41 is formed in the transmission piece 4;

the limiting body 5 is movably connected in the second through hole 12.

Specifically, the first through hole 11 is borne by the first shaft 1, so that the stability of the first through hole 11 can be ensured, the first through hole 11 is used for accommodating the first ejector rod 2 and the second ejector rod 3, the first ejector rod 2 and the second ejector rod 3 are movably connected into the first through hole 11, and the first through hole 11 is also used for limiting the moving directions of the first ejector rod 2 and the second ejector rod 3, so that the moving stability of the first ejector rod 2 and the second ejector rod 3 is ensured; the second through holes 12 are borne by the first shaft 1, so that the stability of the second through holes 12 can be guaranteed, the second through holes 12 are used for accommodating the limiting body 5, the number of the second through holes 12 is not limited and can be determined according to comprehensive consideration of factors such as machining, manufacturing and cost, and in order to enable the first shaft 1 to have certain symmetry, the second through holes 12 can be uniformly distributed along the radial direction of the first shaft 1; the first ejector rod 2 is used for bearing the first groove 21 to ensure the stability of the first groove 21, the first groove 21 is used for accommodating the limiting body 5, when one part of the limiting body 5 is positioned in the first groove 21, the transmission piece 4 and the first shaft 1 can move relatively, and if the bidirectional switching mechanism is used for the magnetic seat drilling machine, the magnetic seat drilling machine is in a manual feeding state; the transmission piece 4 is used for bearing the second groove 41, the second groove 41 is used for accommodating the limiting body 5, when one part of the limiting body 5 is positioned in the second groove 41, the transmission piece 4 and the first shaft 1 cannot move relatively, if the bidirectional switching mechanism is used for the magnetic seat drilling machine, the magnetic seat drilling machine is in an automatic feeding state, wherein the number of the second grooves 41 is not limited, the two grooves can be comprehensively considered according to the factors of processing and manufacturing, cost and the like, and in order to enable the transmission piece 4 to have certain symmetry, the second grooves 41 can be uniformly distributed along the radial direction of the transmission piece 4; the transmission part 4 can be a gear, a chain wheel or a belt wheel, the gear enables the transmission part 4 to be matched with the gear, the chain wheel enables the transmission part 4 to be matched with a chain, and the belt wheel enables the transmission part 4 to be matched with a belt; because the limiting body 5 is movably connected in the second through hole 12, one part of the limiting body 5 is always positioned in the second through hole 12, and the other part of the limiting body 5 is positioned in the first groove 21 or the second groove 41; two 3 and 2 fixed connection of ejector pin, make and realize the linkage between two 3 and the ejector pin of ejector pin 2, can drive ejector pin 2 when promoting two 3 and remove, or, can drive two 3 and remove of ejector pin when promoting ejector pin 2, thereby make the partly of spacing body 5 be located recess 21 or recess two 41, if be used for the magnetic seat rig with this two-way switching mechanism, alright realize the switching between manual feed and the automatic feed, and can realize two-way regulation through promoting ejector pin 2 or ejector pin two 3, be convenient for two-way switching, even the switching space of magnetic seat rig one side is narrow and small, also can switch through the magnetic seat rig opposite side.

Furthermore, the device also comprises a second shaft 6 movably connected in the first through hole 11, one end of the second shaft 6 is connected with the first ejector rod 2, and the other end of the second shaft 6 is connected with the second ejector rod 3.

Specifically, axle two 6 is used for connecting ejector pin 2 and ejector pin two 3 for ejector pin 2, axle two 6 and ejector pin two 3 become a whole, when promoting ejector pin 2, can drive ejector pin two 3 through axle two 6, or, when promoting ejector pin two 3, can drive ejector pin 2 through axle two 6, and axle two 6 can be under the unchangeable condition of keeping the three total length, effectively shorten the length of ejector pin 2 and ejector pin two 3, make ejector pin 2 and ejector pin two 3 convenient to process.

Furthermore, one end of the first ejector rod 2, which is far away from the second shaft 6, is provided with a first notch 22, and one end of the second ejector rod 3, which is far away from the second shaft 6, is provided with a second notch 31.

Specifically, the first notch 22 is carried by the first ejector rod 2, so that the stability of the first notch 22 can be ensured, and the first notch 22 is used for being matched with a screwdriver to lock the first ejector rod 2 and the second shaft 6, so that the first ejector rod 2 and the second shaft 6 are prevented from moving relatively; the second notch 31 is borne by the second ejector rod 3, the stability of the second notch 31 can be guaranteed, and the second notch 31 is used for being matched with a screwdriver to lock the second ejector rod 3 and the second shaft 6 and prevent the second ejector rod 3 and the second shaft 6 from moving relatively; the connection mode between the second shaft 6 and the first ejector rod 2 and the second ejector rod 3 can be threaded connection, so that the second shaft 6 and the first ejector rod 2 and the second ejector rod 3 are reliably connected and are convenient to detach.

Furthermore, a step 13 is arranged in the first through hole 11, the two sides of the step 13 are all in contact with a gasket 7 sleeved outside the second shaft 6, one side of the gasket 7, far away from the step 13, is in contact with a spring 8, one side of the spring 8, far away from the gasket 7, is in contact with the first ejector rod 2, or one side of the spring 8, far away from the gasket 7, is in contact with the second ejector rod 3.

Specifically, the step 13 is carried by the first through hole 11, so that the stability of the step 13 can be ensured, and the step 13 is used for supporting the gasket 7 and limiting the position of the gasket 7; the gasket 7 is used for increasing the contact area of the step 13 and the spring 8, reducing the pressure and preventing the step 13 and the spring 8 from mutually damaging; the spring 8 is located between the gasket 7 and the first ejector rod 2 and used for buffering interaction force between the gasket 7 and the first ejector rod 2 and enabling the first ejector rod 2 to move stably in the first through hole 11, or the spring 8 is located between the gasket 7 and the second ejector rod 3 and used for buffering interaction force between the gasket 7 and the second ejector rod 3 and enabling the second ejector rod 3 to move stably in the first through hole 11.

Further, one side of the transmission member 4 away from the shaft 1 is provided with a first matching part 42.

Specifically, driving medium 4 generally is as the input, and cooperation portion 42 is convenient for driving medium 4 and other part cooperations, and driving medium 4 can be gear, sprocket or band pulley etc. and the gear makes driving medium 4 be convenient for with the gear cooperation, and the sprocket makes driving medium 4 be convenient for with the chain cooperation, and the band pulley makes driving medium 4 be convenient for with the belt cooperation.

Furthermore, a second matching part 14 is arranged outside the first shaft 1.

Specifically, the first shaft 1 generally serves as an output end, and the second engagement portion 14 facilitates engagement of the first shaft 1 with other components.

Further, the groove I21 is annular along the radial direction of the ejector rod I2.

Specifically, the annular limiting body 5 and the first groove 21 are convenient to match, and when the limiting body is matched with the first groove 21, the limiting body 5 and the first groove 21 can be matched only by moving the first ejector rod 2 without rotating the first ejector rod 2, so that the matching time is reduced, and if the bidirectional switching mechanism is used for the magnetic-base drilling machine, the switching efficiency between manual feeding and automatic feeding of the magnetic-base drilling machine can be improved.

Further, the limiting body 5 is a spheroid.

Specifically, the spherical body enables the surface of the limiting body 5 to be round and smooth, the transition performance is good, the limiting body 5 and the first groove 21 can be conveniently matched or separated, the limiting body 5 and the second groove 41 can be conveniently matched or separated, the matching or separating time is shortened, and if the bidirectional switching mechanism is used for the magnetic seat drilling machine, the switching efficiency between manual feeding and automatic feeding of the magnetic seat drilling machine can be improved.

Wherein, the material of spacing body 5 is chromium stainless steel or chromium nickel stainless steel, and chromium stainless steel makes spacing body 5's corrosion resistance good to increase spacing body 5's life, chromium nickel stainless steel not only make spacing body 5's corrosion resistance good, increase spacing body 5's life, make spacing body 5's intensity high moreover.

Further, along the axial direction of the ejector rod I2, the shape of the groove I21 is V-shaped.

Specifically, the V-shaped opening of the first groove 21 is larger, so that the first limiting body 5 and the first groove 21 can be conveniently matched or separated, the matching time is reduced, and if the bidirectional switching mechanism is used for the magnetic seat drilling machine, the switching efficiency between manual feeding and automatic feeding of the magnetic seat drilling machine can be improved.

Example 2

With reference to fig. 1 to 3, the present embodiment provides a handover method, including:

pushing the first ejector rod 2 to enable the limiting body 5 to be matched with the first groove 21, loosening the first ejector rod 2, enabling the first ejector rod 2 to be bounced off by the spring 8 and return to a free state, and enabling the limiting body 5 to be matched with the second groove 41;

pushing the second ejector rod 3, driving the first ejector rod 2 to move by the second ejector rod 3, enabling the limiting body 5 to be matched with the first groove 21, loosening the second ejector rod 3, ejecting the second ejector rod 3 by the spring 8, driving the first ejector rod 2 to return to a free state by the second ejector rod 3, and enabling the limiting body 5 to be matched with the second groove 41;

wherein, under the free state, ejector pin 2 is bounced open by spring 8, and spacing body 5 is in the middle of the recess 21 of ejector pin 2, and the recess of 4 of transmission part is two 41 cooperations.

Specifically, when the first ejector rod 2 is switched, the first ejector rod 2 is pushed, the first ejector rod 2 enables the limiting body 5 to be matched with the first groove 21, the first shaft 1 and the transmission piece 4 can move relatively, and if the bidirectional switching mechanism is used for the magnetic seat drilling machine, the magnetic seat drilling machine is in a manual feeding state; the first ejector rod 2 is loosened, the first ejector rod 2 is bounced off by the spring 8 and returns to a free state, so that the limiting body 5 is matched with the second groove 41, the first shaft 1 and the transmission piece 4 cannot move relatively, and if the bidirectional switching mechanism is used for the magnetic seat drilling machine, the magnetic seat drilling machine is in an automatic feeding state;

when the second ejector rod 3 is switched, the second ejector rod 3 is pushed, the second ejector rod 3 drives the second shaft 6 to move, the second shaft 6 drives the first ejector rod 2 to move, at the moment, the springs 8 on two sides of the second shaft 6 are in a compressed state, the moving speeds of the second ejector rod 3, the second shaft 6 and the first ejector rod 2 can be reduced, the moving stability is guaranteed, the first ejector rod 2 enables the limiting body 5 to be matched with the first groove 21, at the moment, the first shaft 1 and the transmission piece 4 can move relatively, and if the bidirectional switching mechanism is used for a magnetic seat drilling machine, the magnetic seat drilling machine is in a manual feeding state at the moment; the second ejector rod 3 is loosened, the second ejector rod 3 is bounced off by the spring 8, the second ejector rod 3 drives the second ejector rod 6 to move, the second ejector rod 6 drives the first ejector rod 2 to move, at the moment, the springs 8 on the two sides of the second shaft 6 are in a normal state, the moving speeds of the second ejector rod 3, the second shaft 6 and the first ejector rod 2 can be reduced, the moving stability is guaranteed, the first ejector rod 2 enables the limiting body 5 to be matched with the second groove 41, at the moment, the first shaft 1 and the transmission piece 4 cannot move relatively, and if the bidirectional switching mechanism is used for the magnetic seat drilling machine, the magnetic seat drilling machine is in an automatic feeding state at the moment;

when the second ejector rod 3 is pushed or loosened, the first ejector rod 2 can be driven to move, or when the first ejector rod 2 is pushed or loosened, the second ejector rod 3 can be driven to move, so that a part of the limiting body 5 is located in the first groove 21 or the second groove 41, if the bidirectional switching mechanism is used for the magnetic seat drilling machine, the switching between manual feeding and automatic feeding can be realized, bidirectional adjustment can be realized by pushing or loosening the first ejector rod 2 or the second ejector rod 3, the bidirectional switching is convenient, and even if the switching space on one side of the magnetic seat drilling machine is narrow, the switching can be also carried out through the other side of the magnetic seat drilling machine.

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.