CN115535548A - Rail transfer device - Google Patents

Abstract

The invention discloses a transfer device, which comprises: the base is provided with a sliding rail; the moving rail is provided with a sliding block matched with the sliding rail; the screw rod driving assembly is arranged on the base and used for driving the moving track to reciprocate along the sliding rail; the movable connecting piece is movably arranged between the moving track and the screw rod driving assembly, so that the moving track and the screw rod driving assembly relatively slide or rotate. According to the track transfer device provided by the embodiment of the invention, the movable connecting piece is arranged between the lead screw driving component and the movable track, so that the movable track and the lead screw driving component are not easy to be blocked, and the production difficulty and the assembly difficulty of the lead screw driving component can be reduced to a certain extent.

Description

Rail transfer device

Technical Field

The invention relates to the field of rail transportation, in particular to a rail transfer device.

Background

Along with the development of the logistics industry, the logistics trolley and the transfer device of the logistics trolley are gradually researched to provide faster logistics, so that the working strength of logistics employees is reduced, however, the transfer device in the related art ensures the reliability of transmission by means of the processing precision of the transmission structure, so that the production cost is increased, in addition, in the aspect of assembly of the transmission device, the transmission device still needs to be accurately assembled, otherwise, the transmission device is easy to block or deform in the transmission process or transmission structures such as a transmission screw rod and the like, the service life of a product is influenced, and the production efficiency and the transportation efficiency are reduced.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a transfer device, which can reduce the processing difficulty and the installation difficulty of a lead screw, and the lead screw is not easy to be blocked.

The transfer device according to the embodiment of the invention comprises: the base is provided with a sliding rail; the moving rail is provided with a sliding block matched with the sliding rail; the screw rod driving assembly is arranged on the base and used for driving the moving track to reciprocate along the sliding rail; the movable connecting piece is movably arranged between the moving track and the screw rod driving assembly, so that the moving track and the screw rod driving assembly relatively slide or rotate.

According to the track transfer device provided by the embodiment of the invention, the movable connecting piece is arranged between the lead screw driving component and the moving track, so that when the relative position between the lead screw driving component and the moving track is changed, the movable connecting piece can offset the variation of the relative position between the lead screw driving component and the moving track in the left and right directions, and therefore, the moving track and the lead screw driving component are not easy to be clamped.

In addition, the transfer device according to the present invention may have the following additional features:

in some embodiments of the invention, the articulating member comprises: the first mounting seat is connected with the lead screw driving assembly; the second mounting seat is connected with the moving track; the guide rod is arranged between the first mounting seat and the second mounting seat, and slides along the axial direction of the guide rod relative to the first mounting seat and/or the second mounting seat.

Optionally, a positioning hole is formed in the guide rod, and a positioning element matched with the positioning hole is formed on the first mounting seat or the second mounting seat.

Optionally, the second mount includes: and the matching bearing is sleeved on the guide rod.

Optionally, the second mount includes: the guide rod comprises a first inner shaft and a first outer shaft, the first inner shaft is sleeved on the guide rod, and the first inner shaft is suitable for rotating in the direction perpendicular to the axis of the guide rod.

Further, the inner wall of the first outer shaft is provided with a first arc surface and/or a second arc surface, and the first inner shaft rotates along the first arc surface or the second arc surface.

In some embodiments of the invention, the lead screw drive assembly comprises: the driving wheel and the driven wheel are sleeved with the transmission belt respectively, the driven wheel is sleeved with the driven wheel, and the nut is connected with the moving track.

In some embodiments of the invention, the transfer device further comprises: slide rail set spare, slide rail set spare is located the removal track with between the base, slide rail set spare includes: the profile frame is arranged on the base, and the sliding rail is arranged on the profile frame; the first connecting plate is fixedly connected with the movable tray, the sliding block is arranged on the first connecting plate, and the movable connecting piece is arranged between the first connecting plate and the lead screw driving assembly.

Further, the transfer device further comprises: the floating assembly is arranged on the base and is perpendicular to the direction of the sliding rail, one end of the moving rail is connected with the sliding rail assembly in a matched mode, and the other end of the moving rail is movably connected with the floating assembly.

Optionally the float assembly comprises: a slider coupled to the travel track; the floating groove is formed in the base, and the floating block is movably arranged in the floating groove.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a transfer device according to an embodiment of the present invention.

Fig. 2 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1.

Fig. 3 is a schematic structural diagram of a screw driving assembly of the track transfer device according to an embodiment of the invention.

Fig. 4 is a sectional view taken along line B-B of fig. 3.

Fig. 5 is a cross-sectional view of a bearing housing of a track transfer device according to an embodiment of the present invention.

Reference numerals:

a track transfer device 100,

A base 1,

A moving track 2,

A screw drive component 3, a screw 31, a nut 32,

A driving motor 33, a driving wheel 34, a driven wheel 35, a transmission belt 36,

A bearing seat 4, a second inner shaft 41, a second outer shaft 42, a third cambered surface 421,

The floating component 5, a section frame 51, a floating groove 511, a floating block 52, a second connecting plate 53, a first mounting block 54, a second mounting block 55,

The slide rail assembly 6, the first connecting plate 61, the slide block 611, the slide rail 621,

The movable connecting piece 7, a first mounting seat 71, a second mounting seat 72, a first inner shaft 721, a first outer shaft 722, a first cambered surface 723, a guide rod 73,

A drag chain 8 and a fixed track 9.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

A transfer device 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 5.

As shown in fig. 1, 2 and 3, the transfer device 100 according to the embodiment of the present invention includes a base 1, a moving rail 2, a lead screw driving assembly 3 and a movable connection member 7.

Specifically, the base 1 is formed with a slide rail 62, and the moving rail 2 is formed with a slider 611 engaged with the slide rail 62, whereby the moving rail 2 can reciprocate on the base 1 in the front-rear direction as shown in fig. 1 by engagement of the slide rail 62 with the slider 611. The moving track 2 can be moved backward or forward, so that the moving track 2 can be correspondingly matched with different fixing tracks 9 in the front-back direction, the logistics trolley can be moved to different fixing tracks 9 from the moving track 2, and the logistics trolley can be moved to the moving track 2 from different fixing tracks 9.

As shown in fig. 1, the logistics carriages can be moved from the front fixed rail 9 to the moving rail 2, and then the moving rail 2 is moved from front to back, so that the moving rail 2 corresponds to the rear fixed rail 9, and at this time, the logistics carriages can be moved from the moving rail 2 to the rear fixed rail 9.

The screw driving assembly 3 is disposed on the base 1, and the screw driving assembly 3 is used for driving the moving rail 2 to reciprocate along the slide rail 62, where it is understood that the screw driving assembly 3 may be used for driving the moving rail 2 to reciprocate along the slide rail 62, and other driving assemblies, such as a telescopic cylinder assembly, a rack and pinion assembly, etc., may also be used for driving the moving rail 2 to reciprocate along the slide rail 62, and are not limited herein.

Further, a movable connecting member 7 is movably disposed between the moving rail 2 and the screw driving assembly 3, so that the moving rail 2 and the screw driving assembly 3 can slide or rotate relatively. It can be understood here that, in the process of moving the moving track 2 and aligning the moving track 2 with the fixed track 9, the moving track 2 needs to move in a relatively straight direction, and specifically, if the alignment effect between the rails on the moving track 2 and the rails on the fixed track 9 is not good, the trolley cannot travel from the rails of the moving track 2 to the rails of the fixed track 9, therefore, for this purpose, the lead screw driving assembly 3 needs to have higher driving precision, which greatly improves the production difficulty and the installation difficulty of the lead screw driving assembly 3, and after the lead screw driving assembly 3 is assembled, due to the gravity of the logistics trolley and the weight of the object carried by the logistics trolley, the connection position between the lead screw driving assembly 3 and the moving track 2 is easily loosened, so that the lead screw driving assembly 3 or the moving track 2 is jammed, in this application, the movable connection member 7 is disposed between the moving track 2 and the lead screw driving assembly 3, so that the moving track 2 and the lead screw driving assembly 3 can move relatively.

As shown in fig. 1 and fig. 2, when the relative position between the screw driving assembly 3 and the moving rail 2 in the left-right direction changes, the moving track of the moving rail 2 changes during the process that the screw driving assembly 3 drives the moving rail 2 to move in the front-back direction, and at this time, the moving rail 2 is limited by the fit between the sliding rail 62 and the sliding block 611, so that the moving rail 2 and the screw driving assembly 3 are easily locked. And at this moment, because cooperate between screw drive subassembly 3 and removal track 2 through swing joint spare 7, therefore, can make the change volume of the relative position between screw drive subassembly 3 and the removal track 2 in the left and right directions offset by swing joint spare 7, thereby make the relative position between removal track 2 and the slide rail 62, and the relative position of removal track 2 in the left and right directions and between fixed track 9 is difficult for changing, thereby the dead problem of card of removal track 2 and screw drive subassembly 3 has been solved, can also reduce the production degree of difficulty and the assembly degree of difficulty of screw drive subassembly 3 to a certain extent simultaneously.

In addition, in one example, relative sliding can occur between the moving track 2 and the lead screw driving assembly 3, in another example, relative rotation can occur between the moving track 2 and the lead screw driving assembly 3, and in still another example, relative sliding and relative rotation can occur between the moving track 2 and the lead screw driving assembly 3. Without limitation, it may be set according to actual requirements.

Therefore, according to the track transfer device 100 of the embodiment of the present invention, the movable connection member 7 is disposed between the screw driving assembly 3 and the moving track 2, so that when the relative position between the screw driving assembly 3 and the moving track 2 changes, the movable connection member 7 can offset the variation of the relative position between the screw driving assembly 3 and the moving track 2 in the left-right direction, so that the moving track 2 and the screw driving assembly 3 are not easily stuck.

In some embodiments of the present invention, as shown in fig. 4, the movable connecting member 7 includes a first mounting seat 71, a second mounting seat 72, and a guide rod 73, the first mounting seat 71 is connected to the lead screw driving assembly 3, the second mounting seat 72 is connected to the moving rail 2, the guide rod 73 is disposed between the first mounting seat 71 and the second mounting seat 72, and the guide rod 73 slides in an axial direction of the guide rod 73 relative to the first mounting seat 71 and/or the second mounting seat 72.

For example, as shown in fig. 1 and 4, the screw driving assembly 3 includes a screw 31 and a nut 32, the screw 31 is disposed on the base 1, and the nut 32 is connected to the moving rail 2 through the movable connection member 7, so that when the driving device drives the screw 31 to rotate, the nut 32 can reciprocate along the axis of the screw 31, and thus the moving rail 2 connected to the nut 32 reciprocates along the axis of the screw 31, which is simple in structure and convenient to operate. Further, the first mounting seat 71 of the movable coupling 7 may be mounted on the nut 32, the second mounting seat 72 may be mounted on the moving rail 2, a first fitting hole is formed on the first mounting seat 71, a second fitting hole is formed on the second mounting seat 72, and both ends of the guide rod 73 are respectively mounted in the first fitting hole and the second fitting hole. In addition, in one example, the guide rod 73 and the first mounting seat 71 can slide relatively, that is, the guide rod 73 can slide along the first matching hole, in another example, the guide rod 73 and the second mounting seat 72 can slide relatively, that is, the guide rod 73 can slide along the second matching hole, and in yet another example, both ends of the guide rod 73 can slide relatively with the first mounting seat 71 and the second mounting seat 72, respectively, so that the guide rod 73 can slide relatively along the first matching hole and the second matching hole.

Therefore, according to the above description, when the relative position between the lead screw driving assembly 3 and the moving rail 2 changes, the guide rod 73 and the first mounting seat 71 or the guide rod 73 and the second mounting seat 72 can slide relatively, so that the lead screw driving assembly 3 or the moving rail 2 is not easily jammed.

In the specific example shown in fig. 4, the guide rod 73 is formed as a T-shaped guide rod 73, the T-shaped guide rod 73 can penetrate through the second matching hole on the second mounting seat 72 and then extend into the first matching hole of the first mounting seat 71, at this time, the step surface of the T-shaped guide rod 73 is matched on the side surface of the second mounting seat 72 far away from the first mounting seat 71, and after the T-shaped guide rod 73 connects the first mounting seat 71 and the second mounting seat 72, the first mounting seat 71 and the second mounting seat 72 are spaced apart, so that the relative movement between the first mounting seat 71 and the second mounting seat 72 reserves a movement space.

Further, the extending direction of the guide rod 73 is perpendicular to the extending direction of the slide rail 62.

Further, a positioning hole is formed on the guide rod 73, and a positioning member engaged with the positioning hole is formed on the first mounting seat 71 or the second mounting seat 72. For example, as shown in fig. 3 and fig. 4, a mounting hole is formed on the second mounting seat 72, the positioning element may be mounted in the mounting hole, and after the guide rod 73 is inserted into the second mounting seat 72, the positioning element may be screwed so that the positioning element extends out of the mounting hole, and at this time, the positioning hole on the guide rod 73 may be opposite to the mounting hole, so that the positioning element extending out of the mounting hole may extend into the positioning hole to limit the positioning position of the guide rod 73. Alternatively, a plurality of positioning holes may be provided, and a plurality of positioning holes may be uniformly spaced along the axial direction of the guide rod 73, so that the relative position between the guide rod 73 and the second mounting seat 72 may be set according to actual requirements.

In some embodiments of the present invention, the guide rod 73 and the second mounting seat 72 may rotate relatively, and further, the guide rod 73 and the first mounting seat 71 may rotate relatively, so that when the two ends of the lead screw 31 are misaligned, for example, the two ends of the lead screw 31 are at different heights when the lead screw is installed, and at this time, the lead screw 31 is inclined in the up-down direction, so that the lead screw driving assembly 3 or the moving rail 2 is easily jammed, the lead screw driving assembly 3 may not be easily jammed when driving the moving rail to move, by the relative rotation between the guide rod 73 and the second mounting seat 72, or by the relative rotation between the guide rod 73 and the first mounting seat 71.

Specifically, the second mounting seat 72 includes a first inner shaft 721 and a first outer shaft 722, the first inner shaft 721 is sleeved on the guide rod 73, and the first inner shaft 721 is adapted to rotate along the direction perpendicular to the axis of the guide rod 73. Here, in order to better describe the rotation direction of the screw 31 or the first inner shaft 721, the direction of the screw 31 around the axis of the screw 31 is taken as a first rotation direction, and the direction of the screw 31 around the axis perpendicular to the axis is taken as a second rotation direction. Further, in order to better describe the second rotation direction of the screw 31 of the present application, in an example, the screw 31 may swing in the left-right direction as shown in fig. 1 by taking the movable connection member 7 as a center and the screw 31 as a radius or a diameter, so that when the screw 31 is inclined, the screw driving assembly 3 may be prevented from being jammed by the relative rotation between the first inner shaft 721 and the first outer shaft 722.

In some embodiments of the present invention, in the second rotation direction, the inner wall of the first outer shaft 722 forms a first arc 723 and/or a second arc, and the first inner shaft 721 rotates along the first arc 723 or the first inner shaft 721 rotates along the second arc. In one example, the inner wall of the first outer shaft 722 is formed with a first cambered surface 723, and the first inner shaft 721 can slide along the first cambered surface 723, such that the first inner shaft 721 rotates relative to the first outer shaft 722 in the second rotational direction; in another example, the inner wall of the first outer shaft 722 is formed with a second arc surface along which the first inner shaft 721 can slide, thereby rotating the first inner shaft 721 relative to the first outer shaft 722 in a second direction; in a further example, a first arc 723 and a second arc are formed on an inner wall of the first outer shaft 722, where the first arc 723 and the second arc are symmetrically disposed on the inner wall of the first outer shaft 722, and a plane of symmetry is a plane of a middle line in the thickness direction of the first outer shaft 722, so that when the first inner shaft 721 slides along the first arc 723, the first inner shaft 721 can rotate relative to the first outer shaft 722 in a second rotation direction, and when the first inner shaft 721 slides along the second arc, the first inner shaft 721 can rotate relative to the first outer shaft 722 in a direction opposite to the second rotation direction.

In a specific example, the inner wall of the first outer shaft 722 is formed with a first cambered surface 723 and a second cambered surface, so that when the lead screw 31 is centered on the second mounting seat 72, the lead screw 31 can reciprocally swing in the left-right direction and also reciprocally swing in the up-down direction, thereby enabling a high degree of freedom of rotation between the lead screw 31 and the moving track 2, and thus, the lead screw driving assembly 3 can be well prevented from being jammed in the process of driving the moving track 2 to move.

In some embodiments of the present invention, the inner wall of the first outer shaft 722 is formed with a first arc 723 and a second arc, the first arc 723 and the second arc are symmetrically disposed on the inner wall of the first outer shaft 722, and the outer wall of the first inner shaft 721 is a plane, that is, as shown in the drawings, the first inner shaft 721 can better slide along the first arc 723 or the first inner shaft 721 can better slide along the second arc.

Alternatively, the outer wall of the first inner shaft 721 may also be formed as a circular arc surface, so that the first inner shaft 721 can better slide along the first cambered surface 723, or the first inner shaft 721 can slide along the second cambered surface.

In other examples, the inner wall surface of the first outer shaft 722 may have a mating surface with other shapes, and is not limited herein.

In some embodiments of the present invention, second mount 72 comprises: the guide rod 73 is sleeved with a matching bearing. Therefore, the guide rod 73 can rotate around the axis of the guide rod 73 through the matching of the guide rod 73 and the matching bearing, and more specifically, the matching bearing is arranged between the guide rod 73 and the first inner shaft 721, so that the first mounting seat 71 and the second mounting seat 72 can have a freedom of movement relative to each other in the left-right direction, the first mounting seat 71 and the second mounting seat 72 can have a freedom of rotation around the axis of the guide rod 73, and the first mounting seat 71 and the second mounting seat 72 can have a freedom of rotation around a straight line perpendicular to the axis of the guide rod 73, so that the first mounting seat 71 and the second mounting seat 72 are more flexible, the lead screw 31 and the moving rail 2 are more flexible, and the problem that the lead screw driving assembly 3 is stuck when driving the moving rail 2 to move can be better prevented.

In some embodiments of the present invention, as shown in fig. 2, the track-transferring device 100 further includes a sliding rail assembly 6, the sliding rail assembly 6 is disposed between the moving rail 2 and the base 1, the sliding rail assembly 6 includes a profile frame 51, the profile frame 51 is disposed on the base 1, a sliding rail 62 is disposed on the profile frame 51, the first connecting plate 61 is fixedly connected with the moving rail 2, the first connecting plate 61 is provided with a sliding block 611, and the movable connecting member 7 is disposed between the first connecting plate 61 and the screw driving assembly 3.

For example, as shown in fig. 2, a profile frame 51 is provided on the base 1, a mounting groove is formed on the right side of the profile frame 51, a slide rail 62 is mounted in the mounting groove, the first connecting plate 61 is formed in an L shape, the first connecting plate 61 is mounted on the lower end of the moving rail 2, a slider 611 is mounted on the left side of the first connecting plate 61, and the movable position of the moving rail 2 is limited by the cooperation of the slide rail 62 and the slider 611.

In some embodiments of the present invention, as shown in fig. 1 and 3, the lead screw 31 extends along a front-back direction, and the bearing seat 4 is disposed between the lead screw 31 and the base 1, so that the lead screw 31 can rotate around an axis of the lead screw 31 relative to the bearing seat 4, and during the rotation of the lead screw 31 around the axis of the lead screw 31, the lead screw 31 can also rotate around a direction perpendicular to a line of the axis of the lead screw 31 relative to the bearing seat 4, specifically, the lead screw 31 can rotate around a line of a left-right direction, or the lead screw 31 rotates around a line of an up-down direction, where the up-down direction is perpendicular to the left-right direction and also perpendicular to the front-back direction, where the up-down direction, the left-right direction and the front-back direction are only for convenience of describing positions and are not limiting the present application.

The construction of the bearing housing 4 is described in detail below with reference to fig. 5:

the bearing seat 4 comprises a second inner shaft 41 and a second outer shaft 42, the second outer shaft 42 is sleeved on the second inner shaft 41, the second inner shaft 41 is sleeved on the screw rod 31, the second outer shaft 42 is fixedly connected with the base 1, the screw rod 31 rotates around the axis of the screw rod 31 along a first rotating direction relative to the second inner shaft 41 or the second outer shaft 42, and the second inner shaft 41 rotates around a straight line perpendicular to the axis of the screw rod 31 along a second rotating direction relative to the second outer shaft 42. In an example, the screw 31 uses the bearing seat 4 as a center of a circle, and the screw 31 is used as a radius, and can swing in the left-right direction as shown in fig. 1, so that when two ends of the screw 31 are not on the same axis, the screw 31 can rotate better through the adjustment of the bearing seats 4 at the two ends, thereby reducing the requirement of the coaxiality of the two ends of the screw 31, and simultaneously reducing the processing precision of the two ends of the screw 31, thereby reducing the production difficulty and reducing the production cost.

In addition, it can also be understood that, because the two ends of the screw rod 31 can be adjusted to a certain degree, the two ends of the screw rod 31 both have higher degrees of freedom, and the influence caused by machining errors and installation errors can be eliminated, so that the assembly difficulty is reduced, and the assembly efficiency is improved.

Therefore, according to the track transfer device 100 of the embodiment of the invention, the bearing seats 4 are respectively arranged at the two ends of the lead screw 31, so that the two ends of the lead screw 31 have higher degrees of freedom, the requirement on the coaxiality of the two ends of the lead screw 31 can be reduced, the processing precision of the two ends of the lead screw 31 can also be reduced, the production difficulty and the production cost are reduced, the influence caused by processing errors and installation errors can be eliminated, the assembly difficulty is reduced, the assembly efficiency is improved, meanwhile, in the transmission process of the lead screw 31, the lead screw 31 is not easy to be stuck due to the higher degrees of freedom at the two ends of the lead screw 31, and the transmission effect is good.

The second inner shaft 41 can rotate relative to the second outer shaft 42 about the axis of the screw 31 so that the screw 31 can rotate about the axis of the screw 31 in a first rotational direction, and in other embodiments of the invention there can be a ball bearing between the second inner shaft 41 and the screw 31 so that the screw 31 can rotate relative to the inner shaft about the axis of the screw 31 in the first rotational direction.

In some embodiments of the present invention, as shown in fig. 5, in the second rotation direction, the inner wall of the second outer axle 42 is formed with a third arc surface 421 and/or a fourth arc surface along which the second inner axle 41 rotates or along which the second inner axle 41 rotates. In one example, the inner wall of the second outer axle 42 is formed with a third arc surface 421, and the second inner axle 41 can slide along the third arc surface 421, so that the second inner axle 41 rotates relative to the second outer axle 42 in the second rotation direction; in another example, the inner wall of the second outer axle 42 is formed with a fourth arc surface along which the second inner axle 41 can slide, thereby rotating the second inner axle 41 relative to the second outer axle 42 in the second direction; in a further example, the inner wall of the second outer axle 42 is formed with a third arc surface 421 and a fourth arc surface, wherein the third arc surface 421 and the fourth arc surface are symmetrically disposed on the inner wall of the second outer axle 42, and the symmetry plane is a plane of a middle line in the thickness direction of the second outer axle 42, so that when the second inner axle 41 slides along the third arc surface 421, the second inner axle 41 can rotate relative to the second outer axle 42 in the second rotation direction, and when the second inner axle 41 slides along the fourth arc surface, the second inner axle 41 can rotate relative to the second outer axle 42 in the direction opposite to the second rotation direction.

In a specific example, the inner wall of the second outer shaft 42 is formed with a third arc 421 and a fourth arc, so that when the lead screw 31 is centered at the left bearing seat 4, the lead screw 31 can reciprocally swing in the left-right direction and also reciprocally swing in the up-down direction, so that the left end of the lead screw 31 has a high degree of freedom in rotation, and similarly, the right end of the lead screw 31 can also have a high degree of freedom in rotation, so as to better reduce the requirement of coaxiality of the two ends of the lead screw 31, thereby reducing the production difficulty and the assembly difficulty.

In some embodiments of the present invention, the inner wall of the second outer axle 42 is formed with a third arc surface 421 and a fourth arc surface, the third arc surface 421 and the fourth arc surface are symmetrically disposed on the inner wall of the second outer axle 42, and the outer wall of the second inner axle 41 is a plane, that is, as shown in the figure, the second inner axle 41 can better slide along the third arc surface 421 or the second inner axle 41 can better slide along the fourth arc surface.

Alternatively, the outer wall of the second inner shaft 41 may also be formed as a circular arc surface, so that the second inner shaft 41 can better slide along the third arc surface 421, or the second inner shaft 41 can slide along the fourth arc surface.

In other examples, the inner wall surface of the second outer axle 42 may have other mating surfaces, and is not limited herein.

In some embodiments of the present invention, as shown in fig. 1 and 2, the transfer device 100 further includes a floating assembly 5, the floating assembly 5 is disposed between the moving rail 2 and the base 1, and the relative position between the moving rail 2 and the base 1 can be limited to a certain extent by the arrangement of the floating assembly 5, so that the moving rail 2 can be moved better under the driving action of the lead screw driving assembly 3. Specifically, the floating assembly 5 comprises a profile frame 51 and a floating block 52, the profile frame 51 is fixedly connected with the base 1, a floating groove 511 extending along the axial direction of the screw 31 is formed on the profile frame 51, the floating block 52 is connected with the moving track 2, and the floating block 52 is matched with the floating groove 511. Therefore, when the movable rail 2 moves along the lead screw 31, the movable rail 2 can be well restricted by the engagement between the slider 52 and the float groove 511.

Further, the floating block 52 is movable relative to the floating groove 511 in a direction perpendicular to the axis of the lead screw 31, where the direction perpendicular to the axis of the lead screw 31 may be a left-right direction or an up-down direction, where, in a specific example, the floating block 52 and the floating groove 511 are in clearance fit, that is, in the left-right direction, there is a fitting clearance between the floating block 52 and the floating groove 511, and in the up-down direction, there is a fitting clearance between the floating block 52 and the floating groove 511.

In a further example, there is a fitting clearance between the slider 52 and the float groove 511 in the left-right direction, so that the slider 52 and the float groove 511 can move relatively in the left-right direction, and thus, when the lead screw 31 swings in the left-right direction, the moving rail 2 can swing in the left-right direction, and by the cooperation between the slider 52 and the float groove 511, even if the moving rail 2 swings in the left-right direction, the moving rail 2 cannot be jammed in the process of reciprocating in the front-rear direction, and the flexibility is good. Further, arc-shaped surfaces that are engaged with each other may be formed on the outer wall of the slider 52 and the inner wall of the float groove 511, respectively, whereby the relative rotation between the float and the float groove 511 can be made well.

In some embodiments of the present invention, as shown in fig. 2, the floating assembly 5 further includes a second connecting plate 53, a first mounting block 54 and a second mounting block 55, the second connecting plate 53 is fixedly connected to the moving rail 2, the first mounting block 54 is fixed to the second connecting plate 53, and the second mounting block 55 is connected to the first mounting block 54 to restrain the floating block 52 between the first mounting block 54 and the second mounting block 55.

In the example shown in fig. 1 and 2, the second connecting plate 53 is attached to the lower end of the travel rail 2, the second connecting plate 53 is attached by screws, the first attachment block 54 is fixed to the second connecting plate 53 by screws, corresponding bolt holes are formed in the first attachment block 54, the slider 52, and the second attachment block 55, respectively, and bolts can be inserted through the bolt holes in the first attachment block 54, the slider 52, and the second attachment block 55 in this order to fix the slider 52 and the second attachment block 55 to the first attachment block 54.

In another example, the floating block 52 is movably disposed between the first mounting block 54 and the second mounting block 55, for example, as shown in the figure, one end of the floating block 52 is movably disposed in the floating groove 511, and the other end of the floating block 52 is movably disposed between the first mounting block 54 and the second mounting block 55, thereby further increasing the moving space of the floating block 52 and further reducing the possibility of the moving rail 2 being jammed.

In some embodiments of the present invention, the floating assembly 5 is disposed on at least one side of the moving rail 2 perpendicular to the linear direction of the axis of the lead screw 31. Here, the direction of a straight line perpendicular to the axis of the lead screw 31 is the left-right direction in the drawing, and thus, the floating assembly 5 may be disposed below the left end of the moving rail 2, may be disposed below the right end of the moving rail 2, may be disposed below the left end of the moving rail 2 and below the right end of the moving rail 2 at the same time, and may be disposed according to actual circumstances, and is not limited herein.

In some embodiments of the present invention, as shown in fig. 1 and 2, the floating assembly 5 is disposed on one side of the moving rail 2 perpendicular to the linear direction of the axis of the lead screw 31, and the sliding rail assembly 6 is disposed on the other side of the moving rail 2 perpendicular to the linear direction of the axis of the lead screw 31. That is, in one example, the slide rail assembly 6 may be disposed below the left end of the moving rail 2, and the floating assembly 5 may be disposed below the right end of the moving rail 2, and in another example, the slide rail assembly 6 may be disposed below the right end of the moving rail 2, and the floating assembly 5 may be disposed below the left end of the moving rail 2. It can be understood that, through setting up slide rail set 6, can fix a position moving rail 2's one end betterly to make moving rail 2 can be more stable when along fore-and-aft direction reciprocating motion, be difficult for deviating, can prevent from moving rail 2 and fixed track 9 in the in-process that removes and bump, can avoid moving rail 2's damage.

In some embodiments of the present invention, as shown in fig. 1 and 2, the switch device 100 further includes a drag chain 8, one end of the drag chain 8 is fixedly connected to the base 1, and the other end of the drag chain 8 is fixedly connected to the moving track 2. Therefore, the position of the movable rail 2 can be well limited by arranging the drag chain 8 between the base 1 and the movable rail 2. As shown in fig. 2, the left end of the moving rail 2 is positioned by the sliding rail assembly 6, and the right end of the moving rail 2 is matched by the floating assembly 5, so as to prevent the moving rail 2 from being jammed in the moving process, and meanwhile, the drag chain 8 is arranged on one side of the moving rail 2 adjacent to the floating assembly 5 to limit the relative position between the base 1 and the moving rail 2, so that the moving rail 2 can better reciprocate along the front-back direction.

The structure and operation of the transfer device 100 according to an embodiment of the present invention will be described with reference to the accompanying drawings.

As shown in fig. 1, 2, 3, 4 and 5, the track transfer device 100 includes a base 1, two profile frames 51 are respectively disposed on the base 1 in the left-right direction, wherein a plurality of mounting slots are disposed on the profile frame 51 on the left side in the up-down direction, and a sliding rail 62 can be mounted on each mounting slot, so that the height of the sliding rail 62 can be adjusted according to actual requirements, and a plurality of floating slots 511 are disposed on the profile frame 51 on the right side in the up-down direction.

Further, the profile frame 51 on the right side can be matched with the moving rail 2 through the second connecting plate 53, wherein mounting holes are formed in the second connecting plate 53, bolts can be matched with the mounting holes to assemble the first mounting block 54 on the second connecting plate 53, corresponding bolt holes are formed in the first mounting block 54 and the second mounting block 55, and therefore the floating block 52 can be installed between the first mounting block 54 and the second mounting block 55 through the matching of the bolt holes and the first mounting block 54 and the second mounting block 55, the floating block 52 can be fixed between the first mounting block 54 and the second mounting block 55, the assembling and the disassembling of the floating block 52 can be facilitated, meanwhile, floating blocks 52 of different sizes can be assembled, and the practicability is high.

Further, the slider 52 may be inserted into the float groove 511 to be clearance-fitted with the float groove 511, so that the slider 52 may slide in the up-down direction or the left-right direction with respect to the float groove 511, thereby adjusting the relative position between the left end of the moving rail 2 and the profile frame 51, and preventing the moving rail 2 from being stuck during the reciprocating movement in the front-rear direction.

Furthermore, a slide rail assembly 6 is further arranged at the left end of the moving rail 2, specifically, the slide rail assembly 6 includes a first connecting plate 61 and a profile frame 51, the first connecting plate 61 is fixedly connected with the moving rail 2, a sliding block 611 is formed on the first connecting plate 61, a slide rail 62 matched with the sliding block 611 is formed on the profile frame 51, and the slide rail 62 extends along the axial direction of the screw 31, so that the first connecting plate 61 and the profile frame 51 can be well limited by matching the slide rail 62 with the sliding block 611.

For the driving part of the present application, the transfer device 100 comprises a lead screw driving assembly 3, and further comprises a driving motor 33, a driving wheel 34, a driven wheel 35 and a transmission belt 36, wherein the lead screw driving assembly 3 comprises a lead screw 31 and a nut 32. Specifically, the driving motor 33 can drive the driving wheel 34, the driving wheel 34 drives the driven wheel 35 to rotate through the transmission belt 36, the driven wheel 35 is sleeved on the lead screw 31, so as to drive the lead screw 31 to rotate, and the nut 32 can reciprocate along the front-back direction in the rotating process of the lead screw 31.

The sliding rail assembly 6 further comprises a movable connecting piece 7, the movable connecting piece 7 is arranged between the first connecting plate 61 and the nut 32, the movable connecting piece 7 comprises a first mounting seat 71, a second mounting seat 72 and a guide rod 73, the nut 32 is fixedly connected with the first mounting seat 71, the second mounting seat 72 is fixedly connected with the first connecting plate 61, one end of the guide rod 73 is matched with the first mounting seat 71, and the other end of the guide rod 73 is rotatably arranged in the second mounting seat 72. Therefore, when the assembly position of the lead screw 31 in the vertical direction is inclined, the nut 32 matched with the lead screw 31 is also inclined in the vertical direction, at this time, because the guide rod 73 is matched with the first installation seat 71, the first installation seat 71 can be fixedly matched with the guide rod 73, and therefore, the moving track 2 is not easily clamped when the moving track 2 reciprocates in the front-back direction through the relative rotation between the guide rod 73 and the second installation seat 72, and the first installation seat 71 can rotate relative to the guide rod 73, so that the problem that the moving track 2 is not easily clamped when the lead screw 31 is inclined can be solved only through the relative rotation between the first installation seat 71 and the guide rod 73.

Furthermore, the front end and the rear end of the screw 31 can be respectively assembled on the base 1 through the bearing seat 4, the bearing seat 4 includes a second inner shaft 41 and a second outer shaft 42, the second outer shaft 42 is sleeved on the second inner shaft 41, the second inner shaft 41 is sleeved on the screw 31, the second outer shaft 42 is fixedly connected with the base 1, the screw 31 rotates around the axis of the screw 31 in the first rotation direction relative to the second inner shaft 41 or the second outer shaft 42, and the second inner shaft 41 rotates around the straight line perpendicular to the axis of the screw 31 in the second rotation direction relative to the second outer shaft 42. Here, it should be noted that, in order to better describe the rotation direction of the lead screw 31, the direction of the lead screw 31 around the axis of the lead screw 31 is taken as a first rotation direction, and the direction of the lead screw 31 around the axis perpendicular to the axis is taken as a second rotation direction. Further, in order to better describe the second rotation direction of the lead screw 31 of the present application, in an example, the lead screw 31 uses the bearing seat 4 as a center of a circle, and the lead screw 31 is used as a radius, and can swing in the left-right direction as shown in fig. 1, so that when two ends of the lead screw 31 are not on the same axis, the lead screw 31 can rotate better through the adjustment of the bearing seats 4 at the two ends, thereby reducing the requirement of coaxiality of the two ends of the lead screw 31, and simultaneously reducing the machining precision of the two ends of the lead screw 31, thereby reducing the production difficulty and reducing the production cost.

The transfer device 100 further comprises a drag chain 8, one end of the drag chain 8 is fixedly connected with the base 1, and the other end of the drag chain 8 is fixedly connected with the movable track 2. Therefore, the position of the movable rail 2 can be well limited by arranging the drag chain 8 between the base 1 and the movable rail 2. As shown in the figure, the left end of the moving track 2 is positioned by the sliding rail assembly 6, and the right end of the moving track 2 is matched by the floating assembly 5, so as to prevent the moving track 2 from being jammed in the moving process, and meanwhile, the drag chain 8 is arranged on one side of the moving track 2 adjacent to the floating assembly 5 to limit the relative position between the base 1 and the moving track 2, so that the moving track 2 can better reciprocate along the front-back direction.

The operation of the transfer device 100 according to an embodiment of the present invention will be described with reference to the accompanying drawings.

As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the driving wheel 34 is driven to rotate by the driving motor 33, under the transmission action of the transmission belt 36, the driven wheel 35 can be driven to rotate, the driven wheel 35 can drive the lead screw 31 to rotate, when the lead screw 31 inclines in the assembling or using process, the adjustment can be performed through the bearing seats 4 at the two ends of the lead screw 31, so that the lead screw 31 meets the transmission requirement, the lead screw 31 can not be easily clamped, and the lead screw 31 can not be easily damaged. Further, when the driving motor 33 drives the screw 31 to rotate, the moving track 2 can move in the front-back direction, for example, the moving track 2 moves from front to back, or the moving track 2 moves from back to front, at this time, because the second connecting plate 53 and the profile frame 51 can move relatively, the first connecting plate 61 and the nut 32 can move relatively, the lower ends of the left and right sides of the moving track 2 can adjust the relative position relatively flexibly, so that the moving track 2 is not easily blocked by the movable connecting part 7 in the process of reciprocating movement in the front-back direction, in addition, in the process of moving the moving track 2 in the front-back direction, because of the floating assembly 5 arranged between the moving track 2 and the base 1, one side of the moving track 2 can move freely, and the moving track 2 is not easily blocked.

From this, to sum up, have a plurality of swing joint spare 7 (for example bearing frame 4, unsteady subassembly 5, swing joint spare 7) that have high degree of freedom between removal track 2 and base 1, can be so that removal track 2 is difficult for being deadly by the card at the removal in-process, simultaneously, still make if this transmission structure of lead screw 31, can reduce its machining precision and installation degree of difficulty, installation, easy operation, the practicality is strong, can also improve conveying efficiency.

Other constructions and operations of the transfer device 100 according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description herein, references to the description of the terms "some embodiments," "optionally," "further," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A transfer device, comprising:

the base is provided with a sliding rail;

the moving rail is provided with a sliding block matched with the sliding rail;

the screw rod driving assembly is arranged on the base and used for driving the moving track to reciprocate along the sliding rail;

the movable connecting piece is movably arranged between the moving track and the screw rod driving assembly, so that the moving track and the screw rod driving assembly relatively slide or rotate.

2. The transfer device of claim 1, wherein the movable connection comprises:

the first mounting seat is connected with the lead screw driving assembly;

the second mounting seat is connected with the moving track;

the guide rod is arranged between the first mounting seat and the second mounting seat, and slides along the axial direction of the guide rod relative to the first mounting seat and/or the second mounting seat.

3. The device of claim 2, wherein the guide rod has a positioning hole formed therein, and the first or second mounting seat has a positioning element formed thereon for engaging with the positioning hole.

4. The transfer device of claim 2, wherein the second mount comprises: and the matching bearing is sleeved on the guide rod.

5. The transfer device of claim 2, wherein the second mount comprises: the guide rod is sleeved with the first inner shaft, and the first inner shaft is suitable for rotating along the axis direction perpendicular to the guide rod.

6. The transfer device of claim 5, wherein the inner wall of the first outer shaft is formed with a first arc surface and/or a second arc surface, and the first inner shaft rotates along the first arc surface or along the second arc surface.

7. The transfer device of claim 1, wherein the lead screw drive assembly comprises:

the driving motor, the driving wheel, the driven wheel, the transmission belt, the lead screw and the nut are arranged, the transmission belt is respectively sleeved on the driving wheel and the driven wheel, the driven wheel is sleeved on the lead screw, and the nut is connected with the movable track.

8. The transfer device of claim 1, further comprising: slide rail set spare, slide rail set spare is located the removal track with between the base, slide rail set spare includes:

the profile frame is arranged on the base, and the sliding rail is arranged on the profile frame;

the first connecting plate is fixedly connected with the movable tray, the sliding block is arranged on the first connecting plate, and the movable connecting piece is arranged between the first connecting plate and the screw rod driving assembly.

9. The transfer device of claim 8, further comprising: the floating assembly is arranged on the base and is perpendicular to the direction of the sliding rail, one end of the moving rail is connected with the sliding rail assembly in a matched mode, and the other end of the moving rail is movably connected with the floating assembly.

10. The transfer device of claim 9, wherein the float assembly comprises:

a slider coupled to the travel track;

the floating groove is formed in the base, and the floating block is movably arranged in the floating groove.

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