阅读说明：本技术 一种直线运动调节机构 (Linear motion adjusting mechanism ) 是由 不公告发明人 于 2020-05-22 设计创作，主要内容包括：本发明涉及机械制造装备技术领域,公开了一种直线运动调节机构。本发明提供的直线运动调节机构包括线圈和磁轴,磁轴穿设于线圈,且通过线圈通电使磁轴沿线圈的轴向移动,磁轴为中空轴,且磁轴的一端用于连接气体供给装置,另一端用于连接吸取部件。本发明提供的直线运动调节机构中通过线圈通电产生磁场控制磁轴沿线圈的轴向移动,进而使磁轴产生位移,磁轴与线圈不接触,无摩擦,在机构运行时无噪音,且速度快,控制精度高,实现了精确的上下点动；磁轴为中空轴,可以通压缩空气,实现吸取微小物体或表面光滑的物体,代替了抓取方式。(The invention relates to the technical field of mechanical manufacturing equipment and discloses a linear motion adjusting mechanism. The linear motion adjusting mechanism provided by the invention comprises a coil and a magnetic shaft, wherein the magnetic shaft penetrates through the coil and moves along the axial direction of the coil by electrifying the coil, the magnetic shaft is a hollow shaft, one end of the magnetic shaft is used for connecting a gas supply device, and the other end of the magnetic shaft is used for connecting a suction component. According to the linear motion adjusting mechanism, the coil is electrified to generate the magnetic field to control the magnetic shaft to move along the axial direction of the coil, so that the magnetic shaft generates displacement, the magnetic shaft is not in contact with the coil and has no friction, no noise is generated during the operation of the mechanism, the speed is high, the control precision is high, and accurate up-and-down inching is realized; the magnetic shaft is a hollow shaft, compressed air can be introduced, and tiny objects or objects with smooth surfaces can be sucked, so that a grabbing mode is replaced.)

1. The utility model provides a linear motion adjustment mechanism, its characterized in that includes coil (1) and magnetic axis (2), magnetic axis (2) wear to locate coil (1), and pass through coil (1) circular telegram makes magnetic axis (2) follow the axial displacement of coil (1), magnetic axis (2) are the quill shaft, just the one end of magnetic axis (2) is used for connecting gas supply device, and the other end is used for connecting the suction means.

2. The linear motion adjustment mechanism according to claim 1, characterized in that it further comprises a detection module for detecting the amount of displacement of the magnetic axis (2).

3. The linear motion adjusting mechanism according to claim 2, wherein the detecting module comprises a grating ruler (31), the grating ruler (31) is disposed along an axial direction of the magnetic shaft (2), one end of the grating ruler (31) is connected to the magnetic shaft (2), and a grating reading head (32) is disposed on the grating ruler (31).

4. The linear motion adjusting mechanism according to claim 3, wherein a first connecting piece (4) is arranged on the coil (1), the grating reading head (32) is fixedly arranged on the first connecting piece (4), and the grating ruler (31) is slidably arranged on the first connecting piece (4).

5. The linear motion adjustment mechanism according to claim 4, wherein a second connecting member (5) is slidably provided on the first connecting member (4), and the grating scale (31) is mounted on the second connecting member (5).

6. The linear motion adjusting mechanism according to claim 5, wherein a slide rail (6) is provided on the first connecting member (4), and a slide block which is connected with the slide rail (6) in a matching manner is provided on the second connecting member (5).

7. The linear motion adjusting mechanism according to claim 5, wherein a guide groove (7) is formed in the second connecting member (5), the guide groove (7) extends along the axial direction of the magnetic shaft (2), a guide block (8) is arranged on the first connecting member (4), and one end of the guide block (8) is arranged in the guide groove (7).

8. Linear motion adjustment mechanism according to claim 1, characterized in that the current of the coil (1) is 2.4A or less.

9. Linear motion adjustment mechanism according to claim 1, characterized in that the displacement of the magnetic axis (2) is less than or equal to 30 mm.

10. Linear motion adjustment mechanism according to claim 1, characterized in that the thrust of the magnetic shaft (2) is less than or equal to 24N.

Technical Field

The invention relates to the technical field of mechanical manufacturing equipment, in particular to a linear motion adjusting mechanism.

Background

In the development of industrial automation and intelligent equipment, the demand for micro-miniature precision moving parts and key parts similar to human finger-like flexibility is higher and higher, and the application of the micro-miniature precision moving parts and the key parts is very wide especially on industrial, service robots and intelligent equipment. In the prior art, the part or product is mainly taken in a grabbing manner in actual production, but grabbing of tiny objects or objects with flat and smooth surfaces is difficult to realize. Therefore, it is desirable to provide a linear motion adjustment mechanism to solve the above problems.

Disclosure of Invention

The invention aims to provide a linear motion adjusting mechanism which can be used for conveniently, quickly and accurately inching up and down and sucking a tiny or smooth-surface object.

In order to achieve the purpose, the invention adopts the following technical scheme:

the linear motion adjusting mechanism comprises a coil and a magnetic shaft, wherein the magnetic shaft penetrates through the coil and is made to move along the axial direction of the coil by electrifying the coil, the magnetic shaft is a hollow shaft, one end of the magnetic shaft is used for being connected with a gas supply device, and the other end of the magnetic shaft is used for being connected with a suction component.

Further, the linear motion adjusting mechanism further comprises a detection module for detecting the displacement of the magnetic axis.

Furthermore, the detection module comprises a grating ruler, the grating ruler is arranged along the axial direction of the magnetic shaft, one end of the grating ruler is connected with the magnetic shaft, and a grating reading head is arranged on the grating ruler.

Furthermore, a first connecting piece is arranged on the coil, the grating reading head is fixedly installed on the first connecting piece, and the grating ruler is arranged on the first connecting piece in a sliding mode.

Furthermore, a second connecting piece is arranged on the first connecting piece in a sliding mode, and the grating ruler is installed on the second connecting piece.

Furthermore, a sliding rail is arranged on the first connecting piece, and a sliding block which is connected with the sliding rail in a matching mode is arranged on the second connecting piece.

Furthermore, a guide groove is formed in the second connecting piece, the guide groove extends along the axial direction of the magnetic shaft, a guide block is arranged on the first connecting piece, and one end of the guide block is arranged in the guide groove.

Further, the current of the coil is less than or equal to 2.4A.

Further, the displacement of the magnetic axis is less than or equal to 30 mm.

Further, the thrust of the magnetic shaft is less than or equal to 24N.

The invention has the beneficial effects that:

according to the linear motion adjusting mechanism, the coil is electrified to generate the magnetic field to control the magnetic shaft to move along the axial direction of the coil, so that the magnetic shaft generates displacement, the magnetic shaft is not in contact with the coil and has no friction, no noise is generated during the operation of the mechanism, the speed is high, the control precision is high, and accurate up-and-down inching is realized; the magnetic shaft is a hollow shaft, compressed air can be introduced, and tiny objects or objects with smooth surfaces can be sucked, so that a grabbing mode is replaced.

Drawings

FIG. 1 is a schematic view of a first perspective of a linear motion adjustment mechanism provided by an embodiment of the present invention;

fig. 2 is a second perspective view of the linear motion adjustment mechanism provided in the embodiment of the present invention.

In the figure:

1. a coil; 2. a magnetic axis; 31. a grating scale; 32. a grating reading head; 4. a first connecting member; 5. a second connecting member; 6. a slide rail; 7. a guide groove; 8. and a guide block.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Aiming at the problems that the taking of tiny objects or smooth objects is difficult to realize in the grabbing mode in the prior art, the grabbing efficiency is low, and the grabbing precision is low, the embodiment provides a linear motion adjusting mechanism to solve the problems.

Specifically, as shown in fig. 1 and fig. 2, the linear motion adjustment mechanism provided in this embodiment includes a coil 1 and a magnetic shaft 2, the magnetic shaft 2 is inserted into the coil 1, and the magnetic shaft 2 is moved along the axial direction of the coil 1 by energizing the coil 1, the magnetic shaft 2 is a hollow shaft, one end of the magnetic shaft 2 is used for connecting a gas supply device, and the other end of the magnetic shaft is used for connecting a suction component. In the linear motion adjusting mechanism provided by the embodiment, the coil 1 is electrified to generate a magnetic field to control the magnetic shaft 2 to move along the axial direction of the coil 1, so that the magnetic shaft 2 generates displacement, the magnetic shaft 2 is not in contact with the coil 1, no friction exists, no noise exists when the mechanism runs, the speed is high, the control precision is high, and accurate up-and-down inching is realized; the magnetic shaft 2 is a hollow shaft, can be filled with compressed air, realizes the suction of tiny objects or objects with smooth surfaces, replaces the grabbing mode, is suitable for the field of precision machining production, can be installed on production equipment, can also be installed on a robot, and has wide application range.

Specifically, one end of the magnetic shaft 2 may be provided with a first connection joint for facilitating connection with the compressed air supply device, and the other end of the magnetic shaft 2 may also be provided with a second connection joint for facilitating connection with the suction member. The first and second connection fittings are replaceable to accommodate connection to different gas supply means and suction members. The first connecting joint and the second connecting joint can also be universal and are suitable for being connected with different gas supply devices and suction parts, so that the convenience of the adjusting mechanism is improved.

In the present embodiment, the linear motion adjustment mechanism further includes a detection module for detecting the amount of displacement of the magnetic axis 2. The detection module is used for feeding back the displacement of the magnetic shaft 2, realizes the accurate positioning and control of the position of the suction component connected with the magnetic shaft 2, can accurately contact the object, has high reaction speed in the matching of the magnetic shaft 2 and the coil 1, can stop at any position, has high repeated positioning accuracy, and cannot damage the object.

Further, detection module includes grating scale 31, and grating scale 31 sets up along the axial of magnetic axis 2, and grating scale 31's one end is connected with magnetic axis 2, is equipped with grating reading head 32 on grating scale 31, uses this detection piece to detect the precision height, can accurate detection magnetic axis 2's displacement volume and carry out the feedback, has further improved the control accuracy of magnetic axis 2 displacement.

In order to facilitate the installation of the grating ruler 31 and the grating reading head 32, in this embodiment, the outer side of the coil 1 is provided with the first connecting member 4, the grating reading head 32 is fixedly installed on the first connecting member 4, the grating ruler 31 is slidably arranged on the first connecting member 4, it is ensured that the grating ruler 31 can linearly move along with the magnetic axis 2, and the grating reading head 32 collects the displacement of the grating ruler 31 so as to collect the displacement of the magnetic axis 2. The first connecting member 4 is an aluminum alloy frame, is light in weight, and is convenient to mount on the coil 1.

Furthermore, a second connecting piece 5 is slidably arranged on the first connecting piece 4, and the grating ruler 31 is installed on the second connecting piece 5. the second connecting piece 5 is arranged to facilitate the installation of the grating ruler 31 and the sliding connection with the first connecting piece 4. in the embodiment, the second connecting piece 5 is an L type plate, wherein the transverse plate is slidably connected with the first connecting piece 4, and the grating ruler 31 is installed on the outer side of the vertical plate, so that the grating reading head 32 faces the grating ruler 31.

Still further, be equipped with slide rail 6 on the first connecting piece 4, be equipped with the slider with slide rail 6 accordant connection on the second connecting piece 5, simple structure, it is with low costs, and sliding connection is effectual, and operating stability is good. Specifically, the slider is mounted to the inner side of the cross plate.

In this embodiment, in order to ensure the stability of the second connecting member 5 during sliding, the second connecting member 5 is provided with a guide groove 7, the guide groove 7 extends along the axial direction of the magnetic shaft 2, the first connecting member 4 is provided with a guide block 8, one end of the guide block 8 is arranged in the guide groove 7, when the second connecting member 5 slides relative to the first connecting member 4, the guide block 8 slides along the guide groove 7, and the length of the guide groove 7 determines the displacement of the magnetic shaft 2. Specifically, the guide block 8 is disposed at an end of the first connecting member 4, the guide groove 7 is a through groove, one end of the guide block 8 is connected with the first connecting member 4, and the other end of the guide block 8 is inserted into the guide groove 7.

In the present embodiment, the displacement of the magnetic axis 2 is 30mm or less, the stroke is small, and the control accuracy is high. The displacement of the magnetic axis 2 may also be set according to the actual application and is not limited herein.

The thrust of the magnetic shaft 2 can be adjusted by controlling the magnitude of the current of the coil 1, and in the present embodiment, the current of the coil 1 can be set to be less than or equal to 2.4A, and the rated current is 0.8A. The thrust of the magnetic shaft 2 is set to 24N or less and the rated thrust is set to 8N. The magnitude of the current of the coil 1 and the magnitude of the thrust of the magnetic shaft 2 may be set according to the actual application, and is not limited herein.

The linear motion adjusting mechanism is small in size, the total width of the linear motion adjusting mechanism is smaller than 16mm, the linear motion adjusting mechanism is suitable for being applied to a precision instrument, the control precision is high, the reaction speed is high, the acceleration of 5G can be achieved, the speed fluctuation rate is low, and accurate positioning can be achieved. The magnetic shaft 2 is in contactless connection with the coil 1, and no friction or noise exists when the magnetic shaft 2 moves relative to the coil 1, so that the experience degree of operators is improved.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.