Linear motion system

Abstract

The invention particularly relates to a linear motion system which comprises a driving part and a moving part, the driving part comprises a driving guide rail and a driving piece, and the moving part comprises a moving guide rail, a sliding block and an air supply device. The moving guide rail and the driving guide rail are arranged in parallel, the moving guide rail is provided with a first guide structure comprising two first acting surfaces, the two first acting surfaces are arranged at an angle, and the sliding block is movably arranged on the moving guide rail and connected with the driving part. The sliding block is provided with a second guide structure, the second guide structure is provided with a second acting surface which is arranged at an interval with the first acting surface, any second guide structure is internally provided with two output runners, and the output ends of the two output runners are respectively arranged on the two second acting surfaces; and the air supply device is used for conveying high-pressure air flow between the first acting surface and the second acting surface. According to the linear motion system, the sliding block can be suspended on the moving guide rail, and the conveying speed of the linear motion system can be effectively increased by matching with the driving part.

Description

Technical Field

[0001] The invention relates to the technical field of industrial automation, and in particular to a linear motion system. Background Art

[0002] Linear motion devices are commonly used in the field of industrial automation. Their function is to guide objects to move along a pre-set linear trajectory. Linear motion devices usually include a moving part and a driving part, wherein the moving part includes a linear moving guide rail and a slider mounted on the linear moving guide rail. The driving part is mostly composed of a motor with a screw and a moving flange, and the moving flange is connected to the slider through a support plate that carries the guided object. When the object is moved, the motor rotates and drives the screw to rotate. Through the matching movement of the screw and nut, the moving flange can convert the rotational motion into linear motion, and because the moving flange is connected to the moving part, the object can move linearly along the moving guide rail under the guidance of the slider.

[0003] However, the above-mentioned linear motion system adopts the screw and nut combination mode, which seriously affects the movement speed of the slider. Moreover, the friction generated between the slider and the linear motion guide rail has a great influence on the energy consumption of the object movement guide, and the movement speed of the slider cannot be improved, so that the existing linear motion device has the problems of slow transmission speed and short transmission distance. Summary of the invention

[0004] The purpose of the present invention is to at least solve the problem of slow transmission speed in the existing linear motion system. This purpose is achieved through the following technical solutions:

[0005] A first aspect of the present invention provides a linear motion system, comprising a driving part and a moving part, wherein the driving part comprises a driving guide rail extending along a first direction, and a driving member arranged on the driving guide rail; the moving part comprises:

[0006] A movable guide rail, wherein the movable guide rail is arranged in parallel with the driving guide rail, and first guide structures are arranged on opposite sides of the movable guide rail along a second direction, the second direction is arranged perpendicular to the first direction, and the first guide structure includes two first action surfaces, and the two first action surfaces are arranged at an angle;

[0007] A slider, the slider is movably arranged on the movable guide rail and connected to the driving member; the slider has a second guide structure adapted to the first guide structure, the second guide structure includes two second action surfaces, the second action surfaces are spaced apart from the first action surfaces, two output flow channels are arranged inside any of the second guide structures, and the output ends of the two output flow channels are respectively arranged on the two second action surfaces;

[0008] An air supply device is connected to the input ends of the two output flow channels, and is used to deliver high-pressure airflow between the first active surface and the second active surface.

[0009] The linear motion system of the present invention comprises a moving part and a driving part, and the first guide structure of the moving guide rail of the moving part is matched with the second guide structure of the slider, so that the slider can slide along the first direction on the moving guide rail. The first guide structure is provided with two first action surfaces arranged at an angle, which can effectively prevent the slider from detaching from the moving guide rail, thereby improving the safety of the linear motion system. The moving part cooperates with the driving part having the driving guide rail and the driving member, so that the slider can be effectively moved on the moving guide rail.

[0010] At the same time, by limiting the second action surface of the slider to be spaced apart from the first action surface, and setting two output flow channels inside the slider, the output flow channels are connected to the air supply device, so that high-pressure airflow can be input between the surface of the first guide structure and the surface of the second guide structure, so that the slider is suspended on the moving guide rail, that is, the surface of the first guide structure and the surface of the second guide structure are not in contact, so there will be no friction loss between the moving guide rail and the slider, which helps to extend the service life of the moving guide rail and the slider, and thus ensure the use effect of the moving part. At this time, since the driving member of the driving part is connected to the slider, and the driving member can move at high speed on the driving guide rail, the slider can move at high speed on the moving guide rail, which helps to increase the transmission speed of the linear motion system and increase the transmission distance, thereby improving the transmission effect of the linear motion system.

[0011] In addition, the linear motion system according to the present invention may also have the following additional technical features:

[0012] In some embodiments of the present invention, the linear motion system further comprises:

[0013] A supporting plate is arranged on the driving member and connected to the sliding block, and the supporting plate is used for carrying the object to be transported.

[0014] In some embodiments of the present invention, there are multiple sliders, and the multiple sliders are connected to the supporting plate.

[0015] In some embodiments of the present invention, the angle between the two first action surfaces is set to be a right angle or an acute angle.

[0016] In some embodiments of the present invention, a first flow channel is disposed inside the slider, the first flow channel is extended along the first direction, and the input end of the output flow channel is connected to the air supply device through the first flow channel.

[0017] In some embodiments of the present invention, the number of the first flow channels is two, and the two first flow channels are spaced apart along the second direction, and along a third direction, the first flow channel is located between two adjacent output flow channels, and the third direction is perpendicular to the first direction and perpendicular to the second direction.

[0018] In some embodiments of the present invention, the first guide structure further has a third action surface, the third action surface is connected and arranged between the two first action surfaces, and the third action surface is arranged perpendicular to the second direction;

[0019] A first position-limiting channel extending along the second direction is further provided inside the slider, an input end of the first position-limiting channel is communicated with the first channel, and an output end of the first position-limiting channel is arranged facing the third action surface.

[0020] In some embodiments of the present invention, a second flow channel is further provided inside the slider, and along the second direction, the second flow channel is located between two first flow channels, and the second flow channel is connected to the air supply device;

[0021] A second position-limiting flow channel extending along the third direction is further provided inside the slider, an input end of the second position-limiting flow channel is communicated with the second flow channel, and an output end of the second position-limiting flow channel is arranged facing the moving guide rail.

[0022] In some embodiments of the present invention, the number of the second flow channels is two, and the two second flow channels are arranged at intervals along the second direction and are located on opposite sides of the moving guide rail;

[0023] And / or, there are multiple second position-limiting flow channels, and the multiple second position-limiting flow channels are arranged at intervals along the first direction.

[0024] In some embodiments of the present invention, the first guide structure is configured as a groove, and the second guide structure is configured as a protrusion. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present invention. Moreover, the same reference numerals are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0026] Figure 1 The structure diagram of the linear motion system according to the embodiment of the present invention is schematically shown;

[0027] Figure 2 for Figure 1 A partial exploded structural diagram of the linear motion system shown in ;

[0028] Figure 3 for Figure 2 A schematic diagram of the local structure of the moving part of the linear motion system shown in ;

[0029] Figure 4 for Figure 3 A schematic structural diagram of the moving part shown in another perspective;

[0030] Figure 5 for Figure 2 A partial cross-sectional diagram of the moving part shown in FIG. Figure 4 AA direction in the middle);

[0031] Figure 6 for Figure 2 A cross-sectional schematic diagram of another structure of the moving part shown in FIG. Figure 4 AA direction in the middle);

[0032] Figure 7 for Figure 2 The schematic cross-sectional view of the third structure of the moving part shown in FIG. Figure 4 AA direction in the middle);

[0033] Figure 8 for Figure 2 A schematic cross-sectional view of the fourth structure of the moving part shown in FIG. Figure 4 AA direction in the middle);

[0034] Fig. 9 for Figure 4 Schematic diagram of the cross section in the middle BB direction;

[0035] Fig.10 A partial structural diagram of another structure of the moving part of an embodiment of the present invention is schematically shown.

[0036] The symbols in the accompanying drawings are as follows:

[0037] 100. Linear motion system;

[0038] 10. Moving part; 20. Driving part;

[0039] 1. Moving guide rail; 11. First guide structure; 111. First action surface; 112. Third action surface;

[0040] 2. Sliding block; 21. Second guiding structure; 211. Second action surface;

[0041] 3. First flow channel; 31. First output flow channel; 32. Second output flow channel; 33. Second limiting flow channel;

[0042] 301, connecting piece; 302, first air inlet pipe; 303, second air inlet pipe;

[0043] 4. Second flow channel; 41. First limiting flow channel;

[0044] 5. Air supply pipe;

[0045] 6. Air supply device;

[0046] 7. Support plate;

[0047] 8. Drive guide rail;

[0048] 9. Driving parts. DETAILED DESCRIPTION

[0049] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0050] It should be understood that the terms used in the text are only for the purpose of describing specific example embodiments, and are not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms "one", "an" and "said" as used in the text may also be meant to include plural forms. The terms "include", "comprise", "contain", and "have" are inclusive, and therefore specify the existence of stated features, steps, operations, elements and / or parts, but do not exclude the existence or addition of one or more other features, steps, operations, elements, parts, and / or combinations thereof. The method steps, processes, and operations described in the text are not interpreted as necessarily requiring them to be performed in the specific order described or illustrated, unless the execution order is clearly indicated. It should also be understood that additional or alternative steps may be used.

[0051] Although the terms first, second, third, etc. can be used in the text to describe multiple elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can only be used to distinguish an element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates, terms such as "first", "second" and other numerical terms do not imply order or sequence when used in the text. Therefore, the first element, component, region, layer or section discussed below can be referred to as the second element, component, region, layer or section without departing from the teaching of the example embodiments.

[0052] For ease of description, spatial relative terms may be used herein to describe the relationship of one element or feature relative to another element or feature as shown in the figure, such as "inside", "outside", "inner side", "outer side", "below", "below", "above", "above", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figure. For example, if the device in the figure is turned over, then the elements described as "below other elements or features" or "below other elements or features" will subsequently be oriented as "above other elements or features" or "above other elements or features". Therefore, the example term "below..." can include both above and below orientations.

[0053] Linear motion devices are commonly used in the field of industrial automation. Their function is to guide objects to move along a pre-set linear trajectory. Linear motion devices usually include a moving part and a driving part, wherein the moving part includes a linear moving guide rail and a slider mounted on the linear moving guide rail. The driving part is mostly composed of a motor with a screw and a moving flange, and the moving flange is connected to the slider through a support plate that carries the guided object. When the object is moved, the motor rotates and drives the screw to rotate. Through the matching movement of the screw and nut, the moving flange can convert the rotational motion into linear motion, and because the moving flange is connected to the moving part, the object can move linearly along the moving guide rail under the guidance of the slider.

[0054] However, the above-mentioned linear motion system adopts the screw and nut combination mode, which seriously affects the movement speed of the slider. Moreover, the friction generated between the slider and the linear motion guide rail has a great influence on the energy consumption of the object movement guide, and the movement speed of the slider cannot be improved, so that the existing linear motion device has the problems of slow transmission speed and short transmission distance.

[0055] In order to solve the above problems, an embodiment of the present invention proposes a linear motion system 100 to solve the problem of slow transmission speed in the existing linear motion system 100 .

[0056] In terms of overall design, Figure 1-Figure 10 As shown, the linear motion system 100 includes a driving part 20 and a moving part 10. The driving part 20 includes a driving guide rail 8 and a driving member 9, the driving guide rail 8 is extended along a first direction, and the driving member 9 is arranged on the driving guide rail 8. The moving part 10 includes a moving guide rail 1, a slider 2 and an air supply device 6. The moving guide rail 1 is arranged in parallel with the driving guide rail 8, and the first guide structure 11 is provided on opposite sides of the moving guide rail 1 along the second direction, and the second direction is arranged perpendicular to the first direction. The slider 2 is movably arranged on the moving guide rail 1 and connected to the driving member 9.

[0057] Furthermore, the movable guide rail 1 is provided with a first guide structure 11 on both opposite sides along the second direction, the second direction is arranged perpendicular to the first direction, the first guide structure 11 includes two first action surfaces 111, and the two first action surfaces 111 are arranged at an angle. The slider 2 has a second guide structure 21 adapted to the first guide structure 11, the second guide structure 21 includes two second action surfaces 211, the second action surfaces 211 are arranged at intervals from the first action surfaces 111, and two output flow channels are arranged inside any second guide structure 21, and the output ends of the two output flow channels are respectively arranged on the two second action surfaces 211. The air supply device 6 is connected to the input ends of the two output flow channels, and the air supply device 6 is used to deliver high-pressure airflow between the first action surface 111 and the second action surface 211.

[0058] Specifically, the first guide structure 11 of the moving guide rail 1 of the moving part 10 is matched with the second guide structure 21 of the slider 2, so that the slider 2 can slide along the first direction on the moving guide rail 1. In addition, the first guide structure 11 is provided with two first action surfaces 111 arranged at an angle, which can effectively prevent the slider 2 from detaching from the moving guide rail 1, thereby improving the safety of the linear motion system 100. The moving part 10 cooperates with the driving part 20 having the driving guide rail 8 and the driving member 9, so that the slider 2 can effectively move on the moving guide rail 1.

[0059] At the same time, by limiting the second action surface 211 of the slider 2 to be spaced apart from the first action surface 111, and setting two output flow channels inside the slider 2, the output flow channels are connected to the air supply device 6, so that high-pressure airflow can be input between the surface of the first guide structure 11 and the surface of the second guide structure 21, so that the slider 2 is suspended on the movable guide rail 1, that is, the surface of the first guide structure 11 and the surface of the second guide structure 21 are not in contact, so there will be no friction loss between the movable guide rail 1 and the slider 2, which helps to extend the service life of the movable guide rail 1 and the slider 2, and thus ensure the use effect of the moving part 10. At this time, since the driving member 9 of the driving part 20 is connected to the slider 2, and the driving member 9 can move at high speed on the driving guide rail 8, the slider 2 can move at high speed on the movable guide rail 1, which helps to improve the transmission speed of the linear motion system 100, and increase the transmission distance, thereby improving the transmission effect of the linear motion system 100.

[0060] It is important to understand that Figure 1-Figure 4 As shown, the driving guide rail 8 and the moving guide rail 1 are both extended along the first direction a, and a driving member 9 is slidably provided on the driving guide rail 8, and the driving member 9 can move in height along the first direction a on the driving guide rail 8. In the present embodiment, the driving part 20 is configured as a linear motor. At this time, the driving member 9 is the mover of the linear motor, and the driving guide rail 8 is the stator of the linear motor. Of course, the driving member 9 and the driving guide rail 8 are also configured to adopt other structures, which will not be elaborated here. At the same time, a slider 2 is provided on the moving guide rail 1, and the slider 2 is connected with the moving guide rail 1 and is connected with the driving member 9, so that when the driving member 9 moves, the slider 2 can be driven to move.

[0061] like Figure 5-Figure 8 As shown, the first guide structure 11 is provided on opposite sides of the movable guide rail 1 along the second direction b, and the slider 2 is provided on one side of the movable guide rail 1 along the third direction. The second direction b is perpendicular to the first direction a, and the third direction c is perpendicular to the first direction a and perpendicular to the second direction b. In this embodiment, the movable guide rail 1 is a rectangular parallelepiped structure as a whole, the first direction a is the length direction of the movable guide rail 1, the second direction b is the width direction of the movable guide rail 1, and the third direction c is the height direction of the movable guide rail 1, that is, the first guide structure 11 is provided on both the left and right sides of the movable guide rail 1, and the slider 2 is provided on the top of the movable guide rail 1.

[0062] Furthermore, the cross-sectional shape of the first guide structure 11 on the first plane is an isosceles trapezoid, an isosceles triangle, a polygon or other structures, wherein the first plane is perpendicular to the first direction a. At this time, the two first guide structures 11 are symmetrically arranged with the second plane as the center, and the second plane is perpendicular to the second direction b. At the same time, any first guide structure 11 has two first action surfaces 111, and the two first action surfaces 111 are symmetrically arranged with the third plane as the center, and the third plane is perpendicular to the third direction c, that is, the third plane is a horizontal plane.

[0063] It is important to understand that Figures 3 to 5 As shown, the first guide structure 11 can be configured as a groove structure or a convex column structure, and correspondingly, the second guide structure 21 is configured as a convex column structure or a groove structure adapted to the first guide structure 11. In this embodiment, the first guide structure 11 is configured as a groove, and the second guide structure 21 is configured as a protrusion. Specifically, as Figure 3 and Figure 4 As shown, there are inwardly concave grooves on two opposite sides of the moving guide rail 1, and the projection of the groove on the first plane is an isosceles trapezoid, and the length of the side close to the other first guide structure 11 is less than the length of the side away from the other first guide structure 11. Such a setting can effectively reduce the difficulty of preparing the moving guide rail 1, and the second guide structure 21 is set as a protrusion, which can effectively reduce the difficulty of processing and manufacturing the two output flow channels, thereby reducing the overall manufacturing efficiency of the linear motion system 100.

[0064] Here, it should be noted that when the first guide structure 11 is set as a protrusion and the second guide structure 21 is set as a groove, the slider 2 can still perform linear motion on the movable guide rail 1. However, the processing and manufacturing difficulty of the following two output flow channels is relatively large, which is easy to affect the manufacturing efficiency of the slider 2 and increase the manufacturing cost. Moreover, since the length of the movable guide rail 1 is longer than that of the slider 2, if the first guide structure 11 is set as a protrusion, the manufacturing cost of the movable guide rail 1 will increase, thereby increasing the manufacturing cost of the linear motion system 100.

[0065] It should be pointed out that if Figure 5As shown, when the cross-sectional shape of the first guide structure 11 on the first plane is a polygonal structure, the first guide structure 11 may have at least one group of auxiliary surfaces, and correspondingly, a planar structure adapted to the auxiliary surfaces is also provided on the second guide structure 21, so that when there is a stable airflow between the first guide structure 11 and the second guide structure 21, the distances between the surface of the first guide structure 11 and the surface of the second guide structure 21 are the same or similar at all locations. Among them, any group of auxiliary surfaces includes two action surfaces, and the two first action surfaces 111 are symmetrically arranged with the third plane as the center, and the two auxiliary surfaces can be arranged to be parallel or at an angle. The arrangement of the auxiliary surfaces can provide an installation basis for the output of the first flow channel 3 described below, and ensure the stability of the airflow between the surface of the first guide structure 11 and the surface of the second guide structure 21.

[0066] In addition, if Figure 8 As shown, the first guide structure 11 can also be set as a matching structure of a groove and a slope. At this time, the first guide structure 11 includes a groove and a slope, wherein the groove is arranged near the bottom of the movable guide rail 1, and the projection of the groove on the first plane is an isosceles trapezoid. At the same time, an inclined surface is formed at the top corner of the movable guide rail, and the inclined surface is arranged parallel to one of the waists of the isosceles trapezoid. At this time, the other waist of the isosceles trapezoid and the inclined surface are both first action surfaces 111, and the output ends of the two output flow channels connected to the first flow channel 3 are respectively arranged facing the first action surfaces 111. Such a setting helps to further improve the matching effect between the slider 2 and the movable guide rail 1 and ensure the accuracy of the movement of the slider 2.

[0067] Furthermore, the angle between the two first action surfaces 111 is set to be a right angle or an acute angle.

[0068] Specifically, by limiting the angle between the two first action surfaces 111 to a right angle or an acute angle, it is helpful to extend the depth of the first guide structure 11 in the second direction b, and then cooperate with the second guide structure 21 to further ensure the connection effect between the slider 2 and the movable guide rail 1, thereby avoiding the situation where the slider 2 is separated from the movable guide rail 1. At the same time, it is also helpful to improve the impact effect of the high-pressure airflow on the movable guide rail 1, reduce the discharge amount of the high-pressure airflow, reduce the waste of resources, and improve the suspension efficiency of the slider 2.

[0069] It is important to understand that Figure 5 and Figure 6As shown, when the cross section of the first guide structure 11 on the first plane is an isosceles trapezoid, the projections of the two first action surfaces 111 on the first plane are the two waists of the isosceles trapezoid. At the same time, the angle between the two first action surfaces 111 is a right angle or an acute angle, so that the inclination of the two first action surfaces 111 is small, and because the two output flow channels are respectively arranged facing the two first action surfaces 111, when the high-pressure airflow flows from the two output flow channels to between the first guide structure 11 and the second guide structure 21, the two first action surfaces 111 can bear the impact of the high-pressure airflow to the greatest extent, thereby effectively forming the effect of driving the slider 2 to float on the moving guide rail 1.

[0070] It should be noted that when the extension lengths of the first guide structure 11 in the second direction b are the same, setting the angle between the two first action surfaces 111 to a right angle or an acute angle can effectively ensure the receiving effect of the two first action surfaces 111 on the high-pressure airflow. At the same time, when the projection lengths of the two first action surfaces 111 on the first plane are the same, setting the angle between the two first action surfaces 111 to a right angle or an acute angle can effectively ensure the extension length of the first guide structure 11 in the second direction b, thereby ensuring the matching effect of the slider 2 and the movable guide rail 1.

[0071] It is necessary to further understand that Figure 7 and Figure 8 As shown, the angle between the two first action surfaces 111 can also be set to an obtuse angle, which can also achieve the above effect, but it is necessary to increase the flow rate of the airflow, which is easy to increase energy consumption. Preferably, an extension surface is set between the first action surface 111 and the side of the moving guide rail 1 to increase the discharge path of the high-pressure airflow and extend the discharge time, thereby ensuring the suspension effect of the slider 2 on the moving guide rail 1.

[0072] It should be noted that, when the cross-sectional shapes are the same, that is, when the cross-sectional shapes are all isosceles trapezoids, if the extension length of the first guide structure 11 in the second direction b is the same, then at this time, the inclination angles of the two first action surfaces 111 are relatively large, and the effect of receiving the high-pressure airflow is relatively poor. In order to ensure the suspension effect of the slider 2, the air pressure of the high-pressure airflow needs to be relatively high, and the consumption of resources is relatively large. If the air pressure of the high-pressure airflow is not increased, it is necessary to extend the length of the two first action surfaces 111 (the projected length on the first plane), thereby extending the effect of the high-pressure airflow, but it is easy to increase the extension length in the second direction b, affecting the structural strength of the movable guide rail 1.

[0073] In addition, in addition to adopting the above structure, the cross-section of the first guide structure 11 on the first plane can also be set to an isosceles triangle or a polygon, and at this time, the projections of the first active surface 111 and the second active surface 211 on the first plane are the two waists of the isosceles triangle or the two corresponding sides of the polygon.

[0074] Furthermore, a first flow channel 3 is provided inside the slider 2 , and the first flow channel 3 is extended along a first direction. The input end of the output flow channel is connected to the air supply device 6 through the first flow channel 3 .

[0075] Specifically, by providing the first flow channel 3, the two output flow channels can be connected to the external air supply device 6, so that the high-pressure airflow can be output between the first guide structure 11 and the second guide structure 21. The structure is simple and easy to process, and it is easy to achieve the effect of airflow diversion inside the slider 2. Moreover, by providing the first flow channel 3, it is helpful to determine the flow channel lengths of the two output flow channels and the relationship between the flow channel lengths of the two output flow channels, thereby ensuring the output effect of the high-pressure airflow.

[0076] It should be further understood that a first channel 3 is provided inside the slider 2, and the first channel 3 is extended along the first direction. Along the first direction, one end of the first channel 3 is an airflow inlet. At the same time, two output channels are provided inside each second guide structure 21. For the convenience of description, the two output channels are respectively referred to as the first output channel 31 and the second output channel 32. The first output channel 31 and the second output channel 32 are both connected to the side wall of the first channel 3, thereby forming an airflow outlet of the first channel 3. Preferably, the first output channel 31 and the second output channel 32 are both provided as a plurality of output holes, one end of the output hole is connected to the first channel 3, and the other end of the output hole is provided facing the first action surface 111. Such a setting helps to form multi-point discharge of high-pressure airflow, prolong the discharge time of high-pressure airflow, and help to reduce the difficulty of manufacturing the first output channel 31 and the second output channel 32. At the same time, a plurality of output holes are arranged at equal intervals along the first direction a. In this embodiment, the aperture and length of the first output channel 31 and the second output channel 32 are the same. At the same time, combined with Fig. 9 As shown, the arrangement of the plurality of output holes is the same as the arrangement of the second limiting flow channel 33 described below, which helps to improve the stability of the suspension of the slider 2.

[0077] It should be noted that a first angle is formed between the direction of the airflow output by the first output channel 31 and the first action surface 111 corresponding thereto, and a second angle is formed between the direction of the airflow output by the second output channel 32 and the first action surface 111 corresponding thereto, and the first angle and the second angle are not shown in the figure. In this embodiment, the first angle is the same as the second angle, and the value range of the first angle is (0°, 180°). Preferably, the value range of the first angle is (30°, 150°), and further preferably, the first angle is 90°, which can effectively reduce the output efficiency of the high-pressure airflow and ensure that the suspension of the slider 2 on the movable guide rail 1 can be implemented.

[0078] In addition, when the first output channel 31 and the second output channel 32 are both configured as a plurality of output holes, the inlets of the first output channel 31 and the second output channel 32 can be located at the same position, or can be staggered on the first channel 3. If the staggered arrangement is adopted, the spacing distance needs to be determined to ensure the coordination effect of each force point.

[0079] In addition, when the slider 2 is suspended on the moving guide rail 1, the surface of the first guide structure 11 and the surface of the second guide structure 21 are spaced apart, and there is a first spacing therebetween. Meanwhile, along the third direction c, there is a second spacing between the slider 2 and the moving guide rail 1. The first spacing and the second spacing may be the same, or the first spacing may be smaller than the second spacing. This ensures that the slider 2 can be suspended on the moving guide rail 1.

[0080] Further, the number of the first flow channels 3 is two, and the two first flow channels 3 are arranged at intervals along the second direction, and along the third direction, the first flow channel 3 is located in the middle of two adjacent output flow channels.

[0081] Specifically, by providing two first flow channels 3, and the two first flow channels 3 are respectively provided in the middle of two adjacent output flow channels, the lengths of the first output flow channel 31 and the second output flow channel 32 can be effectively reduced, thereby ensuring that the high-pressure airflow can flow more quickly to the two first action surfaces 111. At the same time, it also helps to reduce the processing difficulty of the slider 2 and ensure the manufacturing efficiency of the slider 2.

[0082] It should be understood that, in the present embodiment, the first flow channel 3 is a vent channel extending along the first direction a, and along the second direction b, the two first flow channels 3 are symmetrically arranged on the opposite sides of the moving guide rail 1 with the moving guide rail 1 or the second plane as the center, and at this time, the spacing between the two first flow channels 3 and the moving guide rail 1 is the same. At the same time, the two first flow channels 3 are arranged on the same horizontal plane, that is, the third plane. Since the two first action surfaces 111 are symmetrically arranged with the third plane as the center, the spacing between the first flow channel 3 and the two first action surfaces 111 of the first guide surface corresponding to it is the same. Preferably, the first output flow channel 31 and the second output flow channel 32 are both arranged as straight line segments, and at this time, the first output flow channel 31 and the second output flow channel 32 are symmetrically arranged with the third plane as the center, that is, the projection lengths of the first output flow channel 31 and the second output flow channel 32 on the first plane are the same, that is, the flow distances of the airflows in the first output flow channel 31 and the second output flow channel 32 are the same, which helps to ensure the output efficiency of the high-pressure airflow, and then helps to ensure that the effect of the high-pressure airflow on the two first action surfaces 111 is the same.

[0083] It should be pointed out that when the first flow channel 3 is set as a ventilation channel extending along the first direction a, the number of the first flow channel 3 can also be set to one, and all the first output flow channels 31 and all the second output flow channels 32 are connected to the first flow channel 3. In this way, when the high-pressure airflow hits the first action surface 111, the slider 2 can be suspended on the movable guide rail 1. However, the slider 2 needs to be set as two parts or other structures to ensure that the construction and output of the first output flow channel 31 and the second output flow channel 32 can be implemented, which easily increases the production cost of the slider 2.

[0084] In addition, if the slider 2 is configured as two parts, then at this time, the shape of the first flow channel 3 includes but is not limited to the above-mentioned vent channel extending along the first direction a, such as a round shape or an H shape. Specifically, the slider 2 includes a first part and a second part, the first part is provided with a first groove, and the second part is provided with a second groove. When the first part and the second part are connected, the first groove cooperates with the second groove to form the first flow channel 3. At the same time, in order to ensure the output effect of the first output flow channel 31 and the second output flow channel 32, the first flow channel 3 has an air supply section extending along the first direction a, and the number of the air supply sections is two, and they are symmetrically arranged on opposite sides of the moving guide rail 1.

[0085] In addition, two first flow channels 3 can be provided on either side of the movable guide rail 1, and two first action surfaces 111 are provided correspondingly for the two first flow channels 3, which helps to further improve the impact effect of the high-pressure airflow. Moreover, it also helps to improve the flexibility of the slider 2 and the movable guide rail 1, thereby making them not restricted by the first guide structure 11. Figure 8 As shown, two first flow channels 3 are arranged on one side of the movable guide rail 1, and the two first flow channels 3 are arranged corresponding to the other waist and the inclined surface of the isosceles trapezoid respectively.

[0086] Furthermore, the first guide structure 11 further has a third action surface 112 , and the third action surface 112 is connected and arranged between the two first action surfaces 111 , and the third action surface 112 is arranged perpendicular to the second direction.

[0087] Specifically, by limiting the first guide structure 11 to have a third action surface 112 arranged in the vertical direction, the cross section of the first guide structure 11 is an isosceles trapezoid or a polygon, so as to ensure the structural strength and manufacturing convenience of the movable guide rail 1. At the same time, the setting of the third action surface 112 can also reduce the friction between the movable guide rail 1 and the slider 2, and ensure the stability of the movement of the slider 2. Of course, it should be noted that if the cross section of the first guide structure 11 is a polygon, the polygon is symmetrically arranged with the third plane as the center.

[0088] It is important to understand that Figure 5-Figure 8As shown, when the cross-section of the first guide structure 11 is an isosceles trapezoid or other shapes, when the first output flow channel 31 and the second output flow channel 32 transport the high-pressure airflow to the first action surface 111, part of the high-pressure airflow will be guided by the first action surface 111 to the third action surface 112, and at this time, along the second direction b, the first guide structure 11 and the second guide structure 21 are in a spaced state, which helps to reduce the contact between the slider 2 and the movable guide rail 1 in the second direction b, and helps to further reduce the friction between the movable guide rail 1 and the slider 2.

[0089] like Figure 7 As shown, when the cross-section of the first guide structure 11 is a polygon, when the first output flow channel 31 and the second output flow channel 32 transport the high-pressure airflow to the first action surface 111, part of the high-pressure airflow will be guided by the first action surface 111 to the third action surface 112, and part of the high-pressure airflow will be guided by the first action surface 111 to the auxiliary surface. At this time, along the second direction b and the third direction c, the first guide structure 11 and the second guide structure 21 are both in a spaced state, which effectively reduces the contact between the slider 2 and the movable guide rail 1 in the second direction b, and helps to further reduce the friction between the movable guide rail 1 and the slider 2.

[0090] Furthermore, a first limiting channel 41 extending along the second direction is further provided inside the slider 2 , the input end of the first limiting channel 41 is connected to the first channel 3 , and the output end of the first limiting channel 41 faces the third action surface 112 .

[0091] Specifically, by providing the first limiting flow channel 41, the spacing effect of the first guide structure 11 and the second guide structure 21 in the second direction b can be further guaranteed, so that the situation where the slider 2 abuts against the movable guide rail 1 due to the action of external force can be effectively avoided, and the friction between the movable guide rail 1 and the slider 2 is further reduced. At the same time, the provision of the first limiting flow channel 41 further increases the output of the high-pressure airflow, which can effectively improve the stability of the high-pressure airflow between the first guide structure 11 and the second guide structure 21.

[0092] It is important to understand that Figure 5 and Figure 8As shown, the first limiting channel 41 is extended along the second direction, and the first limiting channel 41 is located on the second plane, that is, the two first action surfaces 111 are symmetrically arranged with the first limiting channel 41 as the center, or the second output channel 32 and the first output channel 31 are symmetrically arranged with the first limiting channel 41 as the center. Among them, the apertures of the first limiting channel 41 and the first output channel 31 are the same, and at the same time, the length of the first limiting channel 41 is less than or equal to the length of the first output channel 31 (the second output channel 32), so the output efficiency of the first limiting channel 41 is not less than the output efficiency of the first output channel 31 (the second output channel 32), which can effectively ensure that the high-pressure airflow is discharged from the middle to both sides, thereby helping to ensure the spacing effect between the slider 2 and the movable guide rail 1.

[0093] It should be further understood that the number of the first output flow channels 31 is set to two, and correspondingly, the number of the second output flow channels 32 is also set to two. Along the extension direction of the first action surface 111, that is, the extension direction of the projection of the first action surface 111 on the first plane, the two first output flow channels 31 are arranged at intervals, and the output ports of the two first output flow channels 31 are respectively close to the two ends of the first action surface 111. Such an arrangement helps to increase the number of first output flow channels 31 and second output flow channels 32, and can effectively improve the stability of the high-pressure airflow between the first guide structure 11 and the second guide structure 21, thereby helping to ensure the suspension effect of the slider 2 and reduce the friction between the slider 2 and the movable guide rail 1. At the same time, it can also improve the discharge effect of the high-pressure airflow and reduce the safety hazards of the linear motion system 100 when in use.

[0094] Furthermore, a second flow channel 4 is further provided inside the slider 2, and along the second direction, the second flow channel 4 is located between the two first flow channels 3, and the second flow channel 4 is connected to the air supply device 6;

[0095] A second limiting channel 33 extending along the third direction is further provided inside the slider 2 , the input end of the second limiting channel 33 is communicated with the second channel 4 , and the output end of the second limiting channel 33 faces the movable guide rail 1 .

[0096] Specifically, by providing the second flow channel 4 and the second limiting flow channel 33, it is helpful to reduce the influence of the slider 2 body or the objects carried by the slider 2 on the suspension of the slider 2. At the same time, the second flow channel 4 and the second limiting flow channel 33 can also further improve the stability of the high-pressure airflow between the slider 2 and the moving guide rail 1, thereby ensuring that the distance between the surface of the first guide structure 11 and the surface of the second guide structure 21 is equal.

[0097] It is important to understand that Figure 5-Figure 9As shown, the second flow channel 4 is a flow channel extending along the first direction a, and the flow channel has the same structure as the first flow channel 3, that is, the second flow channel 4 has the same aperture and length as the first flow channel 3. At the same time, the second limiting flow channel 33 is configured as a plurality of hole-shaped channels, and the plurality of hole-shaped channels are arranged at equal intervals along the first direction a to ensure the stability of the high-pressure airflow between the slider 2 and the movable guide rail 1. In this embodiment, the aperture of the second limiting flow channel 33 is the same as the aperture of the first output flow channel 31.

[0098] It should be pointed out that the second flow channel 4 can be connected to the first flow channel 3, and the first flow channel 3 or the second flow channel 4 is connected to the external air supply device 6. At this time, the air pressure of the high-pressure airflow in the second flow channel 4 is the same as that in the first flow channel 3, and the high-pressure airflow output by the second limiting flow channel 33 is the same as the airflow output by the first output flow channel 31 and the second output flow channel 32. Of course, in addition to this, the second flow channel 4 and the first flow channel 3 can be connected to an external air supply device 6 separately, and at this time, the high-pressure airflow output by the second limiting flow channel 33 can be the same as or different from the airflow output by the first output flow channel 31, and the high-pressure airflow output by the second limiting flow channel 33 can be adjusted according to the weight of the support plate 7 and / or the weight of the transported items to ensure that the high-pressure airflow output by the first flow channel 3 can stably maintain the suspension of the slider 2 on the movable guide rail 1.

[0099] Further, there are two second flow channels 4, and the two second flow channels 4 are spaced apart along the second direction, and / or there are multiple second position limiting flow channels 33, and the multiple second position limiting flow channels 33 are spaced apart along the third direction.

[0100] Specifically, by providing two second flow channels 4 and arranging them at intervals along the second direction b, the stability of the airflow between the slider 2 and the movable guide rail 1 can be further improved, and the spacing effect between the slider 2 and the movable guide rail 1 can be improved in the height direction. At the same time, by providing two second flow channels 4 and arranging multiple second limiting flow channels 33 at intervals along the third direction c, the effect of multi-point support can be further improved, the stability of the slider 2 can be improved, and the stability of transportation can be ensured.

[0101] It is important to understand that Figure 5-Figure 8 As shown, the number of the second flow channels 4 is two, and along the second direction b, the two second flow channels 4 are arranged close to the first guide structure 11. Combined with the distribution of the second limiting flow channel 33, the first output flow channel 31 and the second output flow channel 32, the distribution of the high-pressure airflow can be effectively realized, and it is ensured that there are multiple and evenly distributed support points between the slider 2 and the movable guide rail 1, which can effectively ensure the stability between the slider 2 and the movable guide rail 1, and at the same time, it can also ensure the stability of the slider 2 during transportation.

[0102] It should be pointed out that, of course, the number and shape of the second flow channels 4 can also be different from the first flow channels 3. The aperture and length of the second flow channels 4 can be adjusted according to actual needs to reduce the gravity of the slider 2 itself and the gravity of the items carried by the slider 2.

[0103] At this point, it should be noted that the supporting point mentioned above refers to the point where the high-pressure airflow impacts the movable guide rail 1. At the same time, due to the flow and distribution of the high-pressure airflow, there is a gap between the slider 2 and the movable guide rail 1. When the slider 2 is fixed or moved on the movable guide rail 1, the high-pressure airflow will be discharged along the first direction a.

[0104] In addition, in the present embodiment, the first flow channel 3 and the second flow channel 4 are both configured as hole-like structures penetrating the slider 2 along the first direction a, and at this time, a connector 301 is provided on the slider 2. By providing the connector 301, the first flow channel 3 and the second flow channel 4 can be connected to the external air supply device 6, or the first flow channel 3 and the second flow channel 4 can be connected to each other, and the provision of the connector 301 can also enable the air inlet end of the high-pressure airflow to be provided along the second direction b or the third direction c, thereby reducing the influence of the external connecting pipe on the movement of the slider 2 during transportation.

[0105] It should be understood that the connector 301 can be fixed to the slider 2 by screwing, and the connector 301 has an air supply pipe 5, which has an output end connected to the first flow channel 3 and the second flow channel 4, and an input end connected to the air supply device 6. Figure 1-Figure 9 As shown, the connecting member 301 is provided with a first air inlet pipe 302 , which can be connected to the air supply device 6 , and at this time, the air supply pipe 5 inside the connecting member 301 is connected to the first flow channel 3 and the second flow channel 4 at the same time.

[0106] Here, it should be noted that in addition to the above structure, other structures can also be used, such as Fig.10 As shown, the connector 301 is provided with a first air inlet pipe 302 and a second air inlet pipe 303, wherein the first air inlet pipe 302 and the second air inlet pipe 303 can both be connected to the air supply device 6, and at this time, the air supply pipe 5 inside the connector 301 has two routes, one of which is respectively connected to the first air inlet pipe 302 and the first flow channel 3, and the other is respectively connected to the second air inlet pipe 303 and the second flow channel 4. The specific structure of the connector 301 can be provided with a corresponding pipe body and a steering member as required.

[0107] It should be pointed out that the air supply device 6 can also be connected to the first flow channel 3 and / or the second flow channel 4 respectively, or the air supply device 6 can be directly set on the slider 2 or the supporting plate 7 connected to the slider 2, so as to ensure the suspension of the slider 2 on the movable guide rail 1 and not affect the movement of the slider 2 along the first direction a.

[0108] Furthermore, the linear motion system 100 further includes a supporting plate 7 , which is disposed on the driving member 9 and connected to the slider 2 , and is used to carry the object to be transported.

[0109] Specifically, by providing the support plate 7, the load capacity of the slider 2 can be increased, and in conjunction with the moving part 10 and the driving part 20, the movement of the support plate 7 can be realized to complete the transportation of items. At the same time, it also helps to reduce the friction between the slider 2 and the moving guide rail 1, thereby reducing the maintenance and replacement of the slider 2 and the moving guide rail 1, which helps to increase the service life and maintenance cost of the linear motion system 100.

[0110] It should be understood that the object to be transported needs to be placed on the support plate 7, and the support plate 7 is connected to the slider 2. At this time, when the support plate 7 carries an object, the gravity of the object and the support plate 7 will affect the distance between the slider 2 and the movable guide rail 1. Figure 2 As shown, if the slider 2, the support plate 7 and the object to be transported are arranged in sequence along the height direction, that is, the linear transport system is used for plane transport, then the distance between the movable slide rail and the slider 2 in the height direction will be reduced, and the distance between the movable slide rail and the slider 2 can be ensured by increasing the flow rate of the airflow. If the first flow channel 3 and the second flow channel 4 are connected separately, it can be done by simply increasing the air pressure of the second flow channel 4.

[0111] Furthermore, there are multiple sliders 2 , and the multiple sliders 2 are connected to the supporting plate 7 .

[0112] Specifically, by increasing the number of sliders 2, on the one hand, a longer support plate 7 can be used, and on the other hand, more output channels can be provided to reduce the effect of gravity on the sliders 2 and the movable guide rails 1, thereby ensuring the distance between the movable guide rails and the sliders 2, and ensuring that the sliders 2 can maintain a relatively high movement speed.

[0113] It is important to understand that Figure 2As shown, in this embodiment, the linear motion system 100 includes two sliders 2, and the first flow channels 3 of the two sliders 2 are connected and connected to the air supply device 6 on one side of the moving guide rail 1. At the same time, a support plate 7 is connected to the top of the two sliders 2, and the support plate 7 is arranged so that there is a fixed distance between the two sliders 2. A driving part 20 is arranged on the other side of the moving guide rail 1. The above-mentioned driving part 20 includes an air supply device 6 and an air supply pipe 5. Preferably, the air supply device 6 can be a high-pressure fan. The driving part 20 includes a driving guide rail 8 and a driving member 9. When the supporting plate 7 carries an object, the air supply device 6 will supply a high-pressure airflow to the first flow channel 3 of the slider 2, thereby ensuring that a suspension device is present between the slider 2 and the moving guide rail 1, and at this time, when the driving member 9 is started and moves along the linear moving guide rail 1, the supporting plate 7 will drive the slider 2 to move along the first direction a.

[0114] It should be noted that the linear track and the movable guide rail 1 are both extended along the first direction a to ensure the feasibility and accuracy of the transportation process. At the same time, the linear transportation system can also be used for plane transportation, side hanging or inverted hanging. When the linear transportation system is used for side hanging or inverted hanging, the flow rate of the high-pressure airflow in the two first flow channels 3 and the flow rate of the high-pressure airflow in the second flow channel 4 can be adjusted as needed. Specifically, multiple air supply devices 6 can be used for air supply.

[0115] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A linear motion system, characterized in that: The invention comprises a driving part and a moving part, wherein the driving part comprises a driving guide rail extending along a first direction and a driving member arranged on the driving guide rail; the moving part comprises: A movable guide rail, wherein the movable guide rail is arranged in parallel with the driving guide rail, and first guide structures are arranged on opposite sides of the movable guide rail along a second direction, the second direction is arranged perpendicular to the first direction, and the first guide structure includes two first action surfaces, and the two first action surfaces are arranged at an angle; A slider, the slider is movably arranged on the movable guide rail and connected to the driving member; the slider has a second guide structure adapted to the first guide structure, the second guide structure includes two second action surfaces, the second action surfaces are spaced apart from the first action surfaces, two output flow channels are arranged inside any of the second guide structures, and the output ends of the two output flow channels are respectively arranged on the two second action surfaces; An air supply device is connected to the input ends of the two output flow channels, and is used to deliver high-pressure airflow between the first active surface and the second active surface.

2. The linear motion system according to claim 1, characterized in that: The linear motion system further comprises: A supporting plate is arranged on the driving member and connected to the sliding block, and the supporting plate is used for carrying the object to be transported.

3. The linear motion system according to claim 2, characterized in that: There are multiple sliders, and the multiple sliders are connected to the supporting plate.

4. The linear motion system according to claim 1, characterized in that: The angle between the two first action surfaces is set to be a right angle or an acute angle.

5. The linear motion system according to claim 1, characterized in that: A first flow channel is disposed inside the slider, and the first flow channel is extended along the first direction. The input end of the output flow channel is communicated with the air supply device through the first flow channel.

6. The linear motion system according to claim 5, characterized in that: The number of the first flow channels is two, and the two first flow channels are spaced apart along the second direction, and along the third direction, the first flow channel is located between two adjacent output flow channels, and the third direction is perpendicular to the first direction and perpendicular to the second direction.

7. The linear motion system according to claim 6, characterized in that: The first guide structure further has a third action surface, the third action surface is connected and arranged between the two first action surfaces, and the third action surface is arranged perpendicular to the second direction; A first position-limiting channel extending along the second direction is further provided inside the slider, an input end of the first position-limiting channel is communicated with the first channel, and an output end of the first position-limiting channel is arranged facing the third action surface.

8. The linear motion system according to claim 6, characterized in that: A second flow channel is further provided inside the slider, and along the second direction, the second flow channel is located between the two first flow channels, and the second flow channel is connected to the air supply device; A second position-limiting flow channel extending along the third direction is further provided inside the slider, an input end of the second position-limiting flow channel is communicated with the second flow channel, and an output end of the second position-limiting flow channel is arranged facing the moving guide rail.

9. The linear motion system according to claim 8, characterized in that: The number of the second flow channels is two, and the two second flow channels are arranged at intervals along the second direction and are located on opposite sides of the moving guide rail; And / or, there are multiple second position-limiting flow channels, and the multiple second position-limiting flow channels are arranged at intervals along the first direction.

10. The linear motion system according to any one of claims 1 to 9, characterized in that: The first guide structure is configured as a groove, and the second guide structure is configured as a protrusion.

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