CN218718198U - Guide rail - Google Patents

Abstract

The embodiment of the application provides a guide rail, is applied to magnetic power transfer chain, and the guide rail includes guide rail body and first gradual change piece. The guide rail body is provided with a central plane, and the guide rail body is symmetrically arranged around the central plane; the first gradual change piece is arranged at least one end of the guide rail body and symmetrically arranged at two opposite sides of the guide rail body about the central plane; wherein, along the extending direction of the guide rail body, the farther at least part of the first gradual change piece is from the position of the guide rail body to the distance between the central plane. Because along the extending direction of guide rail body, the distance between the position that at least partial first gradual change spare keeps away from the guide rail body more and the central plane is more far away, makes when guide structure moves the seam crossing of two guide rails from this, the position that guide structure is located the seam crossing breaks away from with first gradual change spare and is connected, avoids guide structure and guide rail to run into in seam crossing to guarantee the stability of guide structure in the motion of guide rail seam crossing.

Description

Guide rail

Technical Field

The application relates to the technical field of magnetic drive conveying lines, in particular to a guide rail.

Background

In the related art, the guide structure of the magnetic driving unit is difficult to operate smoothly at the joint due to the fall of the guide rail at the joint.

SUMMERY OF THE UTILITY MODEL

To above-mentioned problem, the utility model provides a guide rail can guarantee the stability of guide structure at the motion of guide rail seam crossing.

The embodiment of the application provides a guide rail, is applied to magnetomotive conveying line, and the guide rail includes guide rail body and first gradual change piece. The guide rail body is provided with a central plane, and the guide rail body is symmetrically arranged around the central plane; the first gradual change piece is arranged at least one end of the guide rail body and symmetrically arranged at two opposite sides of the guide rail body about the central plane; wherein, along the extending direction of the guide rail body, the farther at least part of the first gradual change piece is from the position of the guide rail body to the distance between the central plane.

Further, the guide rail body is provided with a reference surface and an end surface, the reference surface and the end surface are perpendicular to each other, and the reference surface and the end surface are both arranged on the central surface in a penetrating manner; the first gradual change piece is provided with a first gradual change surface, and the first gradual change surface is adjacent to the reference surface and the end surface and forms an included angle; wherein, along the extending direction of the guide rail body, the section line length of the part of the first gradually-changing surface, which is farther from the reference surface, is longer.

Further, along the extending direction of the guide rail body, the first gradual change surface sequentially includes a first section line L1, a second section line L2 and a third section line L3, wherein L1< L2< L3, or L1< L2, and L3< L2.

The guide rail body is further characterized by also comprising an inclined surface, wherein the inclined surface is adjacent to the reference surface, the end surface and the first gradually-changing surface, and the inclined surface and the reference surface form an included angle; wherein, along the extending direction of the guide rail body, the length ratio of the inclined surface to the end surface is 1-1; and/or the setting angle alpha between the inclined plane and the reference plane is 45-89 degrees along the extension direction of the guide rail body; and/or, the ratio of the lengths of the inclined surface and the first gradually-changing surface along the extending direction of the guide rail body is 1.

Furthermore, the first gradually-changing piece is provided with a second gradually-changing surface, the second gradually-changing surface is at least adjacent to the reference surface and the first gradually-changing surface, and the distance between the part of the second gradually-changing surface, which is farther away from the reference surface, and the central surface is farther along the extension direction of the guide rail body.

Further, along the extending direction of the guide rail body, the second gradually-changing surface has a tangent line, and the farther away from the reference surface, the slope of the tangent line relative to the reference surface is larger, or the slope of the tangent line relative to the reference surface is unchanged, or the slope of the tangent line relative to the reference surface is smaller; wherein, along the extending direction of the guide rail body, the setting angle beta between the tangent line and the reference surface is 45-80 degrees.

Furthermore, the first gradual change piece is provided with a third gradual change surface, the third gradual change surface is adjacent to the reference surface and the second gradual change surface, and the third gradual change surface and the first gradual change surface are symmetrically arranged relative to the second gradual change surface.

Furthermore, the guide rail also comprises second gradual change pieces, wherein the second gradual change pieces are symmetrically arranged on two opposite sides of the guide rail body relative to the central plane and are arranged at intervals with the first gradual change pieces. The second gradual change piece has the fourth gradual change face, and the fourth gradual change face is personally submitted the contained angle setting with the central authorities, and along the extending direction of guide rail body, the position that the fourth gradual change face is more far away from the guide rail body is more far away from with the distance between the central plane.

Further, guide rail body, first gradation part and second gradation part integrated into one piece, and along the extending direction of guide rail, first gradation part and second gradation part set up in the both ends of guide rail body.

Furthermore, the guide rail body is provided with a plurality of counter bores arranged at intervals, the counter bores are arranged on the end face, and the hole walls of the counter bores are provided with threads which are used for being in threaded connection with the jackscrews.

The embodiment of the application provides a guide rail, including the guide rail body and set up in the first gradual change piece of the relative both sides of guide rail body. And because along the extending direction of the guide rail body, the distance between the part of at least part of the first gradual change piece which is far away from the guide rail body and the central plane is far, when the guide structure moves to the joint of the two guide rails, the part of the guide structure, which is positioned at the joint, is separated from the first gradual change piece, so that the collision of the guide structure and the guide rails at the joint is avoided, and the moving stability of the guide structure at the joint of the guide rails is ensured.

Drawings

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

FIG. 1 is a schematic structural view of a guide rail according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a guide rail according to another embodiment of the present application;

FIG. 3 is a schematic structural view of a guide rail according to another embodiment of the present application;

FIG. 4 is a side view of a guide rail in an embodiment of the present application in cooperation with a guide structure;

fig. 5 is a schematic cross-sectional view of a guide rail and a guide structure in an embodiment of the present application.

Description of the drawings: 1. a guide rail; 2. a guide rail body; 21. a central plane; 22. a slideway; 23. a reference plane; 24. An end face; 25. a normal plane; 26. an inclined surface; 3. a first transition piece; 31. a first gradual change surface; 32. a second gradual change surface; 33. a third gradient surface; 4. a second transition piece; 41. a fourth gradient surface; 5. a counter bore; l, the extension direction; l1, a first section line; l2, a second section line; l3 and a third section line.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the related technology, the magnetic drive conveying line comprises a rotor and a stator, and the rotor and the stator are driven by magnetic power to realize the movement of the stator on the rotor. The mover usually has a guiding structure, and the stator usually has a guide rail, and the guiding structure is used for being movably connected with the guide rail to guide the movement of the mover. However, at the joint of the two guide rails, the guide structure is liable to collide with the guide rails when running to the joint of the two guide rails due to mechanical tolerance and mounting error, thereby causing derailment of the guide structure or damage to the guide rails.

Referring to fig. 1 to 3, to solve the above problem, an embodiment of the present invention provides a guide rail 1, which includes a guide rail body 2 and first gradually-changing pieces 3 disposed on two sides of the guide rail body 2.

The guide rail body 2 serves as a base member in the guide rail 1 for providing a setting basis for the first transition piece 3. The guide rail body 2 has a central plane 21, and the guide rail body 2 is symmetrically arranged about the central plane 21. The embodiment of the present application does not limit the material of the guide rail body 2, and the material of the guide rail body 2 may be metal, such as 45 steel, section bar, and the like. Further, the guide rail body 2 may be a linear guide rail 1 or an arc-shaped guide rail 1.

The first gradually-changing piece 3 is used as a guide component in the guide rail 1, is arranged at least one end of the guide rail body 2, and is symmetrically arranged at two opposite sides of the guide rail body 2 relative to the central plane 21, so that when the guide structure moves along the first gradually-changing piece 3, the first gradually-changing piece 3 can have a better guide effect on the guide structure. It can be understood that the first transition piece 3 and a part of the guide rail body 2 may be enclosed together to form a slide 22, and the slide 22 is used for implementing a relative movement with a guide structure (not shown in the figure) of the mover, so that the guide structure can move along the guide rail 1; alternatively, the first transition piece 3 may also provide a load bearing basis for the movement of the guide structure and provide a guiding function for the guide structure such that the guide structure moves in the extension direction of the guide rail body 2. It is understood that the relative movement between the first gradually-changing member 3 and the guiding structure in this embodiment includes, but is not limited to, any one of sliding connection and rolling connection, for example, the guiding structure may be a sliding rail, and the side wall of the sliding slot in the sliding rail is connected with the first gradually-changing member 3 through friction to realize the movement of the sliding rail relative to the guide rail 1; for another example, the guiding structure may be a ball slider, and a ball in the ball slider is connected to the first gradually-changing member 3 in a sliding manner or in a rolling manner, so as to realize the movement of the ball slider on the guide rail 1; as another example, the guiding structure may be a roller, and the roller is connected with the first transition piece 3 by rolling to realize the movement of the roller on the guide rail 1. Furthermore, any realizable sliding or rolling connection with the guide rail 1 shall be within the scope of the present embodiment.

Further, the distance between the central plane 21 and a portion of at least a part of the first gradually-changing piece 3 farther from the rail body 2 in the extending direction of the rail body 2 is longer. It will be appreciated that when the guide structure moves on the guide rails 1, a plurality of guide rails 1 are spliced together to form a long track; when the guide structure is going to move to the joint of the two guide rails 1, the guide structure is firstly contacted with the part of the first gradual change piece 3 far from the central plane 21, and the part of the first gradual change piece 3 far from the central plane 21 provides a bearing basis for the movement of the guide structure; with the continuous movement of the guide structure to the joint, the closer to the joint of the two guide rails 1, the smaller the distance between the part on the first gradually-changing piece 3 and the central plane 21, resulting in that part of the guide structure is gradually disconnected from the first gradually-changing piece 3; when the guide structure moves to the joint of the guide rails 1, the guide structure is not connected with the first gradually-changing piece 3 at the joint, that is, the guide structure at the joint is separated from the first gradually-changing piece 3, so that the probability that the guide structure collides with the guide rails 1 at the joint can be reduced, and the guide structure has a stable movement effect at the joint of the two guide rails 1.

The embodiment of the present application does not limit the specific structure of the first gradually changing piece 3, for example, along the extending direction of the guide rail body 2, the distance between the part of the first gradually changing piece 3 which is farther away from the guide rail body 2 and the central plane 21 may gradually become longer, and then the distance between the first gradually changing piece 3 and the central plane 21 of the guide rail 1 is kept constant; for another example, along the extending direction of the rail body 2, the distance between the portion of the first gradually-changing piece 3 farther from the rail body 2 and the central plane 21 gradually increases, and then the distance between the portion of the first gradually-changing piece 3 farther from the rail body 2 and the central plane 21 gradually decreases. It can be understood that, when the guiding structure moves to the joint of the two guide rails 1, the distance between the first gradually-changing member 3 and the central plane 21 is relatively close, so that the guide rail body 2 and the part of the first gradually-changing member 3, which is relatively close to the central plane 21, are disconnected, that is, when the guiding structure moves to the joint, the closer the distance between the first gradually-changing member 3 and the guide rail body 2 is, part of the guiding structure is gradually disconnected from the first gradually-changing member 3, when the guiding structure moves at the joint, the guiding structure does not collide with the joint due to installation errors or mechanical errors at the joint, the guiding structure contacts with the first gradually-changing member 3 and under the guiding action of the first gradually-changing member 3, so that the guiding structure can pass through the joint more smoothly, and the probability of damage caused by the collision of the guiding structure and the guide rail 1 is reduced.

Further, the number of the guide structures provided on the guide rail 1 is not limited in the embodiments of the present application. For example, when the number of the guide structures provided on the guide rail 1 is one, the guide structures may be ball sliders, and when the ball sliders move to the joint of the guide rail 1, a part of the ball sliders move at a position where the first transition piece 3 is farther with respect to the central plane 21, and a part of the ball sliders are disconnected from the first transition piece 3 at a position where the first transition piece 3 is closer with respect to the central plane 21. It can be understood that, the movement of the part where the ball slider meets the first gradually-changing piece 3 can drive the ball slider to separate from the part where the ball slider meets the first gradually-changing piece 3, and after part of the ball slider moves across the joint, the ball slider gradually meets the first gradually-changing piece 3 of the next track, and then drives the ball slider to move at the part where the ball slider does not meet the first gradually-changing piece 3 at the joint until the ball slider completely passes through the joint and is completely connected with the first gradually-changing piece 3 on the next guide rail 1 in a moving manner. In some embodiments, the arrangement of the first transition piece 3 may avoid the ball slide from colliding with the rail 1 at the joint to cause the ball to fall off. For another example, when the number of the guide structures arranged on the guide rail 1 is plural, the guide structures may be ball sliders or rollers, and when one of the guide structures is located at the joint, the guide structure located at the joint may be disconnected from the first transition piece 3, and since the rest of the guide structures are connected to the first transition piece 3, the guide structure located at the joint is driven to move. To sum up, the stability of guide structure operation at two guide rails 1 seam departments can be guaranteed in the setting of first gradual change piece 3.

The embodiment of the application provides a guide rail 1, including guide rail body 2 and set up in the first gradual change piece 3 of the relative both sides of guide rail body 2. And because along the extending direction of guide rail body 2, the distance between the position of at least part first gradual change piece 3 that is more far away from guide rail body 2 and central plane 21 is more far away, therefore when making guide structure move to the seam crossing of two guide rails 1, the position that guide structure is located the seam crossing breaks away from with first gradual change piece 3 and is connected, avoids guide structure and guide rail 1 to collide at the seam crossing to guarantee the stability of guide structure at the motion of guide rail 1 seam crossing.

Further, the guide rail body 2 has a reference surface 23 and an end surface 24, the reference surface 23 and the end surface 24 are perpendicular to each other, and the reference surface 23 and the end surface 24 are both inserted into the central surface 21. It can be understood that when the two guide rails 1 are spliced with each other, the reference surfaces 23 of the two guide rails 1 should coincide with each other, and the reference surface 23 is used as one of the reference surfaces 23 when the guide rails 1 are spliced, so as to ensure the accuracy of splicing between the two guide rails 1 and reduce the probability that the guide structure collides with the guide rails 1 at the splicing positions of the guide rails 1; the end surface 24 can be connected with the guide structure in a sliding or rolling manner to bear the movement of the guide structure, the end surface 24 is used as one of the reference surfaces 23, when the two guide rails 1 are spliced with each other, the end surfaces 24 of the two guide rails 1 are ensured to have smaller parallelism error and contact error, so that the two guide rails 1 have better assembly effect. In some embodiments, the reference surface 23 and the end surface 24 may also abut each other, so that the two guide rails 1 may have a higher positioning accuracy when being spliced.

Referring to fig. 1, the first gradually-changing part 3 has a first gradually-changing surface 31, and the first gradually-changing surface 31 is adjacent to the reference surface 23 and the end surface 24 and forms an included angle. It can be understood that when the two rails 1 are spliced, the first gradually-changing surfaces 31 of the two rails 1 should be ensured to meet at the joint of the rails 1 so that the first gradually-changing surfaces 31 can smoothly transit at the joint.

Further, in the extending direction of the rail body 2, the sectional length of at least a part of the first gradually-changing surface 31 at a position farther from the reference surface 23 is longer. It will be appreciated that the rail body 2 has a normal plane 25 perpendicular to the central plane 21, and the sectional line should be a straight line segment formed by the intersection of the normal plane 25 and the first tapered plane 31, and the sectional line may indirectly reflect the width of the first tapered plane 31 along the normal plane 25. It can be understood that, when the guide structure moves along the guide rail 1, the first gradually-changing surface 31 is used for bearing part of the guide structure, and the closer to the joint of the guide rail 1, the shorter the section line of the first gradually-changing surface 31 is, that is, the narrower the width of the first gradually-changing surface 31 is, the smaller the contact area of the first gradually-changing surface 31 and the guide structure is; further, the arrangement of the first gradually-changing surface 31 enables the guide structure to be more easily disconnected from the first gradually-changing piece 3 near the joint of the guide rail 1, so as to avoid the guide structure from colliding with the guide rail 1 at the joint of the guide rail 1, and the separated guide structure can have a longer displacement distance to realize contact with the first gradually-changing piece 3 on the next guide rail 1 in the process of being connected with the first gradually-changing piece 3 on the next guide rail 1, so that the guide structure can be better prevented from colliding with the guide rail 1 at the joint; and as the section line length of the part of the first gradually-changing surface 31, which is farther from the reference surface 23, is longer along the extending direction of the guide rail body 2, when the guide structure is in contact with the first gradually-changing piece 3 on the next guide rail 1, the first gradually-changing surface 31 can provide a buffer effect for the contact of the guide structure and the first gradually-changing piece 3.

It is understood that the present embodiment does not limit the variation of the length of the section line of the first gradually-changing surface 31. For example, the length of the section line of the portion of the first gradually-changing surface 31 farther from the reference surface 23 may be continuously increased, so that the arrangement structure of the first gradually-changing surface 31 is more gradual, and the guide structure has a better buffering effect when contacting with the first gradually-changing surface 31 on the next guide rail 1; for another example, the section length of the portion of the first gradually-changing surface 31 farther from the reference surface 23 may be continuously increased, and then the section length may be kept constant, so as to facilitate the processing of the first gradually-changing surface 31; for another example, the connection length of the first gradually-changing surface 31 at a position farther from the reference surface 23 may be longer, then shorter, and then longer, and so on.

Referring to fig. 1, in some embodiments, the first gradually-changing surface 31 sequentially includes a first section line L1, a second section line L2 and a third section line L3 along the extending direction of the guide rail body 2, wherein L1< L2< L3, that is, the length of the section line of the position of the first gradually-changing surface 31 farther from the reference surface 23 is continuously longer, so that the guide structure has a better buffering effect when being connected to the first gradually-changing surface 31, and the guide structure operates more stably on the first gradually-changing surface 31. In other embodiments, L1< L2 and L3< L2, i.e., the connection length of the first gradually-changing surface 31 at a position farther from the reference surface 23 is gradually longer and then gradually shorter. It can be understood that the second section line L2 can be used as a reference boundary line for the detachment movement of the guide structure from the first gradually-changing surface 31, the guide structure is gradually detached from the first gradually-changing surface 31 at the second section line L2 for the prior guide rail 1, and the detachment of the guide structure from the first gradually-changing surface 31 is more gradual due to the larger bearing area of the first gradually-changing surface 31 at the second section line L2, so that the guide structure still ensures the stability of the movement when detached from the first gradually-changing surface 31; for the rear guide rail 1, the guide structure is gradually connected with the first gradually-changing surface 31 at the second section line L2, and the first gradually-changing surface 31 has a larger bearing area at the second section line L2, so that the connection between the guide structure and the first gradually-changing surface 31 is buffered, and the motion stability of the guide structure is ensured.

Referring to fig. 1-3, in some embodiments, the guide rail body 2 further includes an inclined surface 26 adjacent to the reference surface 23, the end surface 24, and the first gradually-changing surface 31, and the inclined surface 26 forms an included angle with the reference surface 23. It will be appreciated that the provision of the inclined surface 26 provides a more stable movement of the guide structure at the junction of the two guide rails 1. When there is a small gap between the guide structure and the end surface 24 of the guide rail 1, the inclined surface 26 of the two guide rails 1 is disposed at the joint between the two guide rails 1 to compensate for the mounting error between the two reference surfaces 23 even if there is a large mounting error between the end surfaces 24 of the two adjacent guide rails 1 because the inclined surfaces 26 of the two guide rails 1 are adjacent to each other. That is, when having great installation error between the terminal surface 24 of two guide rails 1, guide structure moves to the seam crossing of two guide rails 1, guide structure will meet inclined plane 26, and because inclined plane 26 is the contained angle setting with reference surface 23, the setting of inclined plane 26 can play the cushioning effect to guide structure's motion, avoid guide structure direct and reference surface 23 to collide with each other, so that guide structure can pass through the seam more steadily, reduce the probability that guide structure and reference surface 23 collided and lead to guide rail 1 or guide structure's damage.

In some embodiments, the ratio of the length of the inclined surface 26 to the length of the end surface 24 along the extending direction of the guide rail body 2 is 1 to 1, and the present embodiment defines the relative length of the inclined surface 26 to the end surface 24, so that the inclined surface 26 can have a longer setting length along the extending direction of the guide rail body 2, so that the movement of the guiding structure at the joint of the two guide rails 1 is more stable; and/or, the setting angle α between the inclined surface 26 and the reference surface 23 is 45 to 89 degrees along the extending direction of the guide rail body 2, and it can be understood that the setting angle between the inclined surface 26 and the reference surface 23 is limited, so that the inclined surface 26 can have a more gentle setting structure along the guide rail body 2, and thus, a better buffer effect can be achieved on the movement of the guide structure at the joint of the two guide rails 1. In the expanded configuration, the angle between the inclined surface 26 and the reference surface 23 may be 47.5 °, 50 °, 55 °, 60 °, 62.5 °, 65 °, 70 °, 72.5 °, 75 °, 80 °, 85 °, 87.5 °, or the like. Further, the ratio of the lengths of the inclined surface 26 and the first gradually-changing surface 31 in the extending direction of the rail body 2 is 1 to 1. In the present embodiment, the relative length between the inclined surface 26 and the first gradually-changing surface 31 is limited, and not only the installation error of the reference surface 23 when the two guide rails 1 are installed, but also the installation error of the first guide surface when the two guide rails 1 are installed are considered, so as to ensure the stability of the movement of the guide structure at the joint of the two guide rails 1.

Referring to fig. 1-4, the first gradually-changing part 3 further has a second gradually-changing surface 32, and the second gradually-changing surface 32 is at least adjacent to the reference surface 23 and the first gradually-changing surface 31. It will be appreciated that the second tapered surface 32 is disposed perpendicular to the end surface 24 and that the second tapered surface 32 may be used in kinematic connection with the guide structure. Further, the distance between the center plane 21 and a portion of the second gradually-changing surface 32 that is farther from the reference plane 23 is longer in the extending direction of the rail body 2. It is understood that the second gradually-changing surface 32 can be arranged to increase the installation accuracy of the two guide rails 1 during installation, so that the second gradually-changing surface 32 can be used as one of the installation references during installation of the two guide rails 1 to increase the overlapping accuracy of the installation of the reference surfaces 23 of the two guide rails 1. And for a part of the guiding structure, such as a roller, the roller may be in rolling friction with the second gradually-changing surface 32 at the same time as the first gradually-changing surface 31 is in rolling friction. When the roller runs to the vicinity of the joint of the two guide rails 1, the roller is firstly in rolling connection with the part of the second gradually-changing surface 32, which is far away from the central surface 21, and along with the continuous rolling of the roller towards the joint, the distance between the second gradually-changing surface 32 and the central surface 21 is closer and closer, and the roller is gradually disconnected with the part of the second gradually-changing surface 32, which is close to the central surface 21, so that the probability that the roller or the guide rails 1 are damaged due to the fact that the second gradually-changing surfaces 32 of the two guide rails 1 have a fall at the joint due to installation errors or mechanical tolerances at the joint of the two guide rails 1, and the roller or the guide rails 1 collide with each other due to the fall between the second gradually-changing surfaces 32 at the joint is reduced. The further the second gradually changing surface 32 is from the reference surface 23, the further the distance from the central surface 21 is, so that the guide structure is cushioned at the joint between the two guide rails 1 to avoid damage caused by collision of the guide structure with the guide rails 1.

Referring to fig. 1 and 4, the second gradually-changing surface 32 has a tangent line along the extending direction of the guide rail body 2, and the slope of the tangent line may be variable or constant relative to the reference surface 23. That is, the second gradually-changing surface 32 may be a plane, in which case the slope of the tangent line of the second gradually-changing surface 32 is constant with respect to the reference plane 23; alternatively, the slope of the tangent line of the second gradually-changing surface 32 with respect to the reference surface 23 gradually increases as the distance from the reference surface 23 increases, that is, the second gradually-changing surface 32 is a curved surface, and the opening direction of the curved surface is set toward the central surface 21; for another example, the slope of the tangent line of the second gradually-changing surface 32 with respect to the reference plane 23 becomes gradually smaller as the distance from the reference plane 23 increases, that is, the second gradually-changing surface 32 is a curved surface, and the opening direction of the curved surface is set away from the central plane 21. In this embodiment, the slope of the tangent line of the second gradually-changing surface 32 relative to the reference surface 23 is not limited, so that the second gradually-changing surface 32 may have a more flexible arrangement structure, and may obtain better buffering and guiding effects according to the type of the guiding mechanism or the arrangement working condition. Further, along the extending direction of the guide rail body 2, the setting angle beta between the tangent line and the reference line is 45-80 degrees.

Referring to fig. 1 to 4, the first gradually-changing part 3 further has a third gradually-changing surface 33, the third gradually-changing surface 33 is adjacent to the reference surface 23 and the second gradually-changing surface 32, and the third gradually-changing surface 33 and the first gradually-changing surface 31 are symmetrically arranged with respect to the second gradually-changing surface 32. The third gradually changing surface 33 is provided in the same manner as the first gradually changing surface 31, and will not be described in detail here. And the third gradually-changing surface 33 and the first gradually-changing surface 31 are symmetrically arranged about the second gradually-changing surface 32, so that the movement of the guide structure on the first gradually-changing part 3 is more stable, and the guide structure has a better guide effect.

Further, referring to fig. 5, the guide rail 1 further includes a second gradually-changing member 4. The second transition pieces 4 are symmetrically arranged on opposite sides of the rail body 2 with respect to the central plane 21 and are spaced from the first transition pieces 3. It is understood that a portion of the track body 2, a portion of the first transition member 3, and a portion of the second transition member 4 may be collectively enclosed to form a slide 22, and the slide 22 may be used to place a guiding structure, so that the guiding structure may be disposed in the slide 22. The present embodiment does not limit the specific structure of the second gradually-changing member 4, and the arrangement structure of the second gradually-changing member 4 may be the same as that of the first gradually-changing member 3.

The second gradually-changing piece 4 has a fourth gradually-changing surface 41, the fourth gradually-changing surface 41 is arranged at an included angle with the central surface 21, and the distance between the part of the fourth gradually-changing surface 41 which is farther away from the guide rail body 2 and the central surface 21 is farther along the extending direction of the guide rail body 2. The setting function of the fourth gradually-changing surface 41 is the same as that of the first gradually-changing surface 31, and details are not described here, it is understood that the fourth gradually-changing surface 41 and the first gradually-changing surface 31 may be arranged in parallel or at an included angle; and the arrangement structure of fourth gradually-changing surface 41 may be the same as that of first gradually-changing surface 31.

In some embodiments, the guide rail body 2, the first gradually-changing part 3 and the second gradually-changing part 4 are integrally formed, so that the guide rail 1 has higher structural strength, and the integral forming process is easier to machine and manufacture the guide rail 1, thereby reducing the machining cost of the guide rail 1. Further, along guide rail 1's extending direction, first gradual change piece 3 and second gradual change piece 4 set up in the both ends of guide rail body 2, that is, the both ends of guide rail 1 all have the direction, the cushioning effect, when carrying out more guide rail 1's installation, first gradual change piece 3 and second gradual change piece 4 set up in the installation accuracy that can increase guide rail 1 at guide rail body 2 both ends, and the setting of first gradual change piece 3 and second gradual change piece 4 can play the cushioning effect for guide structure at 1 seam crossing of two guide rails, make when guide structure moves to 1 seam crossing of two guide rails, avoid colliding with guide rail 1 and lead to damaging.

Referring to fig. 1, the guide rail body 2 has a plurality of counter bores 5 arranged at intervals, the plurality of counter bores 5 are opened on an end surface 24, and the hole walls of the counter bores 5 are provided with threads for being in threaded connection with a jackscrew. It will be appreciated that, on the one hand, the threaded cooperation of the counter bore 5 and the jack screw allows the guide rail 1 to have a more stable fixed structure; on the other hand, the threaded fit of the counter bore 5 and the jackscrew can also increase the installation precision of the guide rail 1, so that the guide structure can pass through the joint of the two guide rails 1 more easily.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present application, it is to be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the components or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the above terms may be understood by those skilled in the art according to specific situations.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims (10)

1. A guide rail is applied to magnetomotive conveying line, its characterized in that, the guide rail includes:

the guide rail comprises a guide rail body and a guide rail body, wherein the guide rail body is provided with a central plane and is symmetrically arranged around the central plane;

the first gradual change pieces are arranged at least one end of the guide rail body and are symmetrically arranged at two opposite sides of the guide rail body relative to the central plane;

wherein, along the extending direction of the guide rail body, the distance between the part of the guide rail body, which is farther away from the guide rail body, of at least part of the first gradually-changing piece and the central plane is farther.

2. The guide rail of claim 1, wherein the guide rail body has a reference surface and an end surface, the reference surface and the end surface are perpendicular to each other, and the reference surface and the end surface are both disposed through the central surface;

the first gradual change piece is provided with a first gradual change surface, and the first gradual change surface is adjacent to the reference surface and the end surface and forms an included angle; wherein, along the extending direction of the guide rail body, the section line length of the part of the first gradually-changing surface, which is farther from the reference surface, is longer.

3. The guide rail according to claim 2, wherein the first gradually changing surface includes a first section line L1, a second section line L2, and a third section line L3 in this order along the extending direction of the guide rail body, wherein L1< L2< L3, or L1< L2, and L3< L2.

4. The guide rail of claim 2, wherein the guide rail body further comprises an inclined surface, the inclined surface is adjacent to the reference surface, the end surface and the first tapered surface, and the inclined surface is disposed at an included angle with the reference surface;

wherein, along the extending direction of the guide rail body, the length ratio of the inclined surface to the end surface is 1; and/or the setting angle alpha between the inclined surface and the reference surface is 45-89 degrees along the extension direction of the guide rail body; and/or, along the extending direction of the guide rail body, the ratio of the lengths of the inclined surface and the first gradual change surface is 1.

5. The guide rail according to claim 2, wherein the first gradually-changing member has a second gradually-changing surface which is adjacent to at least the reference surface and the first gradually-changing surface, and a distance between a portion of the second gradually-changing surface which is farther from the reference surface and the center surface is longer in at least a part of the second gradually-changing surface in the extending direction of the guide rail body.

6. The guide rail of claim 5, wherein the second gradual change surface has a tangent line, the farther away from the reference surface the greater the slope of the tangent line relative to the reference surface, or the constant slope of the tangent line relative to the reference surface, or the smaller the slope of the tangent line relative to the reference surface;

wherein, along the extending direction of the guide rail body, the setting angle beta between the tangent line and the reference surface is 45-80 degrees.

7. The guide rail of claim 6, wherein the first transition member has a third transition surface, the third transition surface being contiguous with the reference surface and the second transition surface, and the third transition surface being symmetrically disposed about the second transition surface from the first transition surface.

8. The guide rail of any of claims 2-7, further comprising:

the second gradual change piece about the central plane symmetry set up in the relative both sides of guide rail body, and with first gradual change piece interval sets up, the second gradual change piece has the fourth gradual change face, the fourth gradual change face with the central angle setting is personally submitted to the center, follows the extending direction of guide rail body, the fourth gradual change face keeps away from more the position of guide rail body with distance between the central plane is more far away.

9. The guide rail of claim 8, wherein the guide rail body, the first transition piece and the second transition piece are integrally formed, and the first transition piece and the second transition piece are disposed at both ends of the guide rail body along an extending direction of the guide rail.

10. The guide rail of claim 8, wherein the guide rail body is provided with a plurality of counter bores arranged at intervals, the counter bores are arranged on the end face, and the hole walls of the counter bores are provided with threads which are used for being in threaded connection with a jackscrew.

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