CN215558713U

CN215558713U - Liftable and rotatable electric tray

Info

Publication number: CN215558713U
Application number: CN202121878025.3U
Authority: CN
Inventors: 房卫东; 俞俊海; 段悠扬
Original assignee: Hefei Bolin Advanced Materials Co ltd
Current assignee: Hefei Bolin Advanced Materials Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-01-18
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses a liftable and rotatable electric tray, which comprises a base, a lifting platform and a rotating platform, wherein a threaded sleeve is fixed in the base; the lifting platform comprises a lifting disc arranged above the base, a screw rod is rotatably arranged on the lifting disc, the screw rod is in threaded connection with a threaded sleeve, and a lifting assembly used for driving the screw rod to rotate is arranged on the lifting disc; the rotary platform rotates and is arranged above the lifting platform, and the lifting disc is provided with a rotary assembly used for driving the rotary platform to rotate. According to the electric pallet, after the AGV arrives at a storage goods position, the height of the rotary platform is adjusted through the lifting assembly and the lead screw, the angle of the rotary platform is adjusted through the rotary assembly, the height and the direction of goods can be adjusted, and then the goods are conveyed to an appointed position, the AGV does not need to be integrally turned or lifted, the flexibility of the AGV during use is improved, and the goods are convenient to take and place; and this electronic tray has the integrated level height, advantage that the space height is little.

Description

Liftable and rotatable electric tray

Technical Field

The utility model relates to the technical field of carrying equipment, in particular to a liftable and rotatable electric tray.

Background

An AGV (Automatic Guided Vehicle) is a transport Vehicle equipped with an electromagnetic or optical Automatic navigation device, capable of traveling along a predetermined navigation path, and having safety protection and various transfer functions. The driver is not needed, the traveling path and the behavior are controlled by a computer, or the traveling path is established by an electromagnetic track. The AGV dolly has degree of automation height, and charging automation, advantage such as convenient, and today in intelligent rapid development and popularization is applied to in each industry gradually.

When using the AGV dolly among the prior art, after the AGV dolly reachd the storage goods position, the AGV dolly need carry out holistic turning to or go up and down, just can put the goods of transporting in the assigned position, and its flexibility is poor, has the goods to get and puts inconvenient problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem existing in the background technology, the application provides an electric tray capable of being lifted and rotated.

The liftable and rotatable electric tray comprises a base, a lifting platform and a rotating platform, wherein a threaded sleeve is fixedly arranged in the base; the lifting platform comprises a lifting disc arranged above the base, a screw rod is rotatably arranged on the lifting disc, the screw rod is in threaded connection with a threaded sleeve, and a lifting assembly used for driving the screw rod to rotate is arranged on the lifting disc; the rotary platform is rotatably arranged above the lifting platform, and the lifting disc is provided with a rotary assembly for driving the rotary platform to rotate.

By adopting the technical scheme, when the AGV trolley is used, the electric tray is arranged on the AGV trolley, and goods are placed on the lifting platform; when the AGV trolley reaches a storage goods space, a lifting assembly is started to drive a screw rod to rotate, the screw rod is in threaded fit with a threaded sleeve and moves up and down along a base, and the screw rod drives a rotating platform to move up and down through a lifting platform so as to adjust the height of the rotating platform; the rotating assembly is started to drive the rotating platform to rotate, so that the angle of the rotating platform is adjusted; in the running process of the AGV trolley, the lifting assembly is adjusted to enable the screw rod to be completely screwed into the threaded sleeve, and the rotating platform and the lifting platform are sequentially superposed on the base, so that an electric tray with high integration level and small space height is formed, and the stability of goods in conveying is improved; when getting the goods of putting on the AGV dolly, only need to adjust electronic tray and can transport the goods to the assigned position, the AGV dolly need not to carry out holistic turning to or go up and down, flexibility when having improved the AGV dolly and using, and the goods is got and is put the convenience.

Preferably, lifting unit is including rotating driving gear, driven gear and the ring gear of setting in the lifting disk, driving gear, driven gear all with the ring gear meshing, fixed mounting has and is used for driving gear pivoted elevator motor on the lifting disk, driven gear fixed sleeve establishes on the lead screw.

Through adopting above-mentioned technical scheme, when starting elevator motor, elevator motor drive driving gear rotates, and the driving gear meshes with the ring gear and drives the ring gear and rotate, and ring gear meshes with driven gear and drives driven gear and rotate this moment, and driven gear can drive the lead screw and rotate to this realizes the pivoted purpose of lifting unit drive lead screw.

Preferably, the number of the driven gears is at least three along the circumferential direction of the lifting disc, and the number of the screw rods and the number of the thread sleeves are at least three correspondingly.

Through adopting above-mentioned technical scheme, at least three driven gear, lead screw and thread bush form the outrigger to lift platform, have improved the holistic stability of electronic tray.

Preferably, a sliding seat used for placing the gear ring is fixedly installed in the lifting disc, a pressing plate arranged on the top surface of the gear ring is fixedly installed on the sliding seat, and the gear ring is rotatably arranged between the sliding seat and the pressing plate.

By adopting the technical scheme, when the gear ring is installed, the gear ring is firstly arranged on the sliding seat, and then the pressing plate is installed on the sliding seat, so that the installation is convenient; and the limitation of the pressure plate on the gear ring effectively prevents the gear ring from being separated from the lifting disc upwards, so that the overall stability of the electric tray is further improved.

Preferably, the screw rod is connected with the lifting disc through a first bearing and a second bearing, the first bearing and the second bearing are respectively positioned at two ends of the connecting position of the screw rod and the lifting disc, and at least one bearing adopts a combined bearing for bearing axial force and radial force.

By adopting the technical scheme, on one hand, the first bearing and the second bearing reduce the friction force between the screw rod and the lifting disc, thereby being beneficial to improving the flexibility of the rotation of the screw rod and being convenient for the lifting disc to lift; on the other hand, the common limiting action of the first bearing and the second bearing enables the screw rod to only rotate in the lifting disc, the combined bearing bears the axial force and the radial force between the screw rod and the lifting disc, the limitation of the combined bearing prevents the screw rod from being separated from the lifting disc along the axial direction, the screw rod is prevented from radially shaking in the lifting disc, and therefore the connection stability of the screw rod and the lifting disc is improved.

Preferably, rotating assembly sets up the rotating gear in the lifter plate and is used for driving rotating gear pivoted rotating electrical machines including rotating, rotary platform includes rotary disk and gyration support, the inner circle and lifter plate rigid coupling, outer lane and rotary disk rigid coupling that the gyration was supported, just fixed cover is equipped with rotatory fluted disc on the outer lane of gyration support, rotatory fluted disc and rotating gear meshing.

By adopting the technical scheme, when the rotating motor is started, the rotating motor drives the rotating gear to rotate, the rotating gear is meshed with the rotating fluted disc and drives the rotating fluted disc to rotate, the rotating fluted disc drives the rotating disc to rotate around the inner ring of the slewing bearing through the outer ring of the slewing bearing, and the purpose that the rotating assembly drives the rotating platform to rotate can be achieved; the slewing bearing is a large bearing capable of bearing comprehensive loads, and can simultaneously bear larger axial and radial loads and overturning moments, so that the rotating disc forms stable support, and the stability of connection of the rotating platform and the lifting disc is improved.

Preferably, the lifting disc is provided with a supporting seat for installing a rotary support, a convex ring is fixedly arranged on the top surface of the supporting seat, and the convex ring is abutted against the inner wall of the inner ring of the rotary support.

Through adopting above-mentioned technical scheme, the gyration is supported and is installed on the lifting disk through the supporting seat, and when rotatory gear and rotatory fluted disc meshing, rotatory gear pair turned round to support and has the squeezing action, and the bulge loop that sets up this moment prevents effectively that the gyration from supporting and lifting disk to take place relative movement, improves the gyration and supports the stability of being connected with the lifting disk.

Preferably, a center hole is formed in the rotating disc, the rotary support is mounted on the lifting disc through the center hole, and a rotary cover used for shielding the center hole is detachably mounted on the top surface of the rotating disc.

By adopting the technical scheme, when the rotary platform is installed, the rotary cover is detached to open the central hole, then the rotary support is installed on the lifting disc through the central hole, then the rotary cover is installed on the lifting disc, the rotary support can be shielded to prevent the rotary support from being exposed and damaged, and meanwhile, the rotary cover forms a finished supporting surface for the lifting disc, so that the rotary platform is suitable for placing and transporting goods with various sizes; the rotary cover is detachably connected with the rotary disk, so that the rotary cover is convenient to mount and dismount and is convenient to maintain and replace the rotary platform.

Preferably, a plurality of reinforcing ribs are fixedly arranged on the bottom surface of the rotating disc.

Through adopting above-mentioned technical scheme, when the goods was arranged in on the rotary disk, the strengthening rib can bear the pressure load that the rotary disk received, prevented that the rotary disk from causing the damage because of stress concentration to the loading capacity of rotary disk to the goods has been improved.

Preferably, the base is internally and fixedly provided with a mounting seat, and the threaded sleeve is fixedly mounted on the mounting seat through a screw.

Through adopting above-mentioned technical scheme, the thread bush passes through screw and mount pad fixed mounting on the base, and installation and dismantlement are convenient, the maintenance of being convenient for.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the electric pallet, after the AGV arrives at a storage goods position, the height of the rotary platform is adjusted through the lifting assembly and the lead screw, the angle of the rotary platform is adjusted through the rotary assembly, the height and the direction of goods can be adjusted, and then the goods are conveyed to an appointed position, the AGV does not need to be integrally turned or lifted, the flexibility of the AGV during use is improved, and the goods are convenient to take and place; and this electronic tray has the integrated level height, advantage that the space height is little.

2. When the lifting motor is started, the lifting motor drives the driving gear to rotate, the driving gear is meshed with the gear ring and drives the gear ring to rotate, the gear ring is meshed with the driven gear and drives the driven gear to rotate, and the driven gear can drive the screw rod to rotate, so that the purpose that the lifting assembly drives the screw rod to rotate is achieved;

3. when the rotary motor is started, the rotary motor drives the rotary gear to rotate, the rotary gear is meshed with the rotary fluted disc and drives the rotary fluted disc to rotate, and the rotary fluted disc drives the rotary disc to rotate around the inner ring of the slewing bearing through the outer ring of the slewing bearing, so that the aim that the rotary assembly drives the rotary platform to rotate is fulfilled; the slewing bearing can bear larger axial and radial loads and overturning moment at the same time, so that the rotating disc forms stable support, and the stability of connection of the rotating platform and the lifting disc is improved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic diagram of an explosive structure according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a base in an embodiment of the present application.

Fig. 4 is a schematic structural diagram of the lifting platform in the embodiment of the present application.

Fig. 5 is a side bottom view of the elevating platform in the embodiment of the present application.

Fig. 6 is a cross-sectional view of a lift platform in an embodiment of the present application.

Fig. 7 is a cross-sectional view of the overall structure of an embodiment of the present application.

Fig. 8 is a schematic structural diagram of a rotating platform in an embodiment of the present application.

FIG. 9 is a cross-sectional view of a rotating platform in an embodiment of the present application.

Description of reference numerals: 1. a base; 11. a mounting seat; 12. a threaded sleeve;

2. a lifting platform; 21. a lifting plate; 211. a plug-in part; 212. a supporting seat; 213. a convex ring; 22. a screw rod; 23. a first bearing; 24. a second bearing;

3. a lifting assembly; 31. a ring gear; 311. a sliding seat; 312. pressing a plate; 32. a driving gear; 33. a lifting motor; 34. a driven gear;

4. rotating the platform; 41. rotating the disc; 411. a central bore; 412. reinforcing ribs; 42. a rotary support; 421. an inner ring; 422. an outer ring; 423. a ball bearing; 43. rotating the fluted disc; 44. a rotating cover;

5. a rotating assembly; 51. a rotating gear; 52. a rotating electric machine.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

The embodiment of the application discloses liftable and rotatory electronic tray. Referring to fig. 1, the electric pallet capable of lifting and rotating comprises a base 1, a lifting platform 2 and a rotating platform 4 which are sequentially arranged from bottom to top. Referring to fig. 2, the lifting platform 2 is provided with a lifting assembly 3 and a rotating assembly 5.

Referring to fig. 3, the base 1 is circular, and a first through hole is formed in the center of the bottom surface of the base, and the first through hole is circular. Three mounting seats 11 are integrally formed on the inner bottom surface of the base 1, and the three mounting seats 11 are uniformly distributed along the circumferential direction of the base 1. Install threaded sleeve 12 in the mount pad 11, threaded sleeve 12 is cylindric, and it is equipped with the screw thread on its inner wall, fixed cover on the outer wall is equipped with solid fixed ring, gu fixed ring passes through screw fixed mounting on mount pad 11 to this is with threaded sleeve 12 fixed mounting in mount pad 11.

Referring to fig. 4 and 5, the elevating platform 2 includes an elevating plate 21 and a lead screw 22. The lifting plate 21 is circular and has an outer diameter larger than the inner diameter of the base 1. An insertion part 211 is integrally formed on the bottom surface of the elevating plate 21, and the insertion part 211 is cylindrical and has an outer diameter smaller than the inner diameter of the base 1. The center of the round surface of the lifting disc 21 is provided with a second through hole which is round. The supporting seat 212 is integrally formed on the lifting disc 21, the supporting seat 212 comprises a center ring and three supports, the center ring is in a circular ring shape and penetrates through the second through hole, and the three supports are in one-to-one correspondence with the three mounting seats 11. The top surface of the center ring is integrally formed with a convex ring 213, and the convex ring 213 is in a ring shape.

Referring to fig. 6, the top of the screw 22 penetrates the holder, and a first bearing 23 and a second bearing 24 are installed between the screw 22 and the holder. The first bearing 23 is arranged at the bottom end of the connecting position of the screw rod 22 and the support, and adopts a combined bearing, and the combined bearing bears the axial force and the radial force between the screw rod 22 and the support, so that the screw rod 22 is limited axially and radially, the screw rod 22 is rotatably connected with the support, and the screw rod 22 is rotatably connected with the lifting disc 21. The second bearing 24 is a deep groove ball bearing and is arranged at the top end of the connecting position of the screw rod 22 and the support, the first bearing 23 and the second bearing 24 jointly act to effectively prevent the screw rod 22 from radially shaking, and the stability of connection of the screw rod 22 and the lifting disc 21 is improved. As shown in fig. 7, the bottom of the lead screw 22 penetrates into the threaded sleeve 12 and is threadedly coupled to the threaded sleeve 12. The number of the screw rods 22 is three, and the three screw rods 22 correspond to the three thread sleeves 12 one by one.

Referring to fig. 4, the lifting assembly 3 includes a ring gear 31, a driving gear 32, a lifting motor 33, and a driven gear 34. A sliding seat 311 is fixedly installed in the lifting plate 21, and the cross section of the sliding seat 311 is L-shaped. The number of the sliding seats 311 is three, and the three sliding seats 311 are uniformly arranged along the circumferential direction of the lifting disc 21. The ring gear 31 is annular and has a plurality of teeth on an inner wall thereof. The ring gear 31 is rotatably arranged on the sliding seat 311, so that the ring gear 31 is rotatably connected with the lifting disc 21. The top surface of the sliding seat 311 is provided with a pressing plate 312, and the pressing plate 312 is arc-shaped and is installed on the sliding seat 311 through bolts and extends to the top surface of the gear ring 31, so that the gear ring 31 is limited and the gear ring 31 is prevented from being separated from the lifting disc 21 upwards.

Referring to fig. 4, the driving gear 32 and the driven gear 34 are both rotatably disposed in the lifting plate 21 and are both meshed with the gear ring 31, and the driven gear 34 is fixedly sleeved on the top end of the screw rod 22. The elevating motor 33 is fixedly installed on the bottom surface of the elevating tray 21, and is connected to the driving gear 32 through a right-angle reducer. During the use, arrange the goods in on rotary platform 4, start elevator motor 33 and make its drive driving gear 32 rotate, driving gear 32 meshes and drives ring gear 31 with ring gear 31 and rotate, ring gear 31 meshes and drives driven gear 34 with driven gear 34 and rotate this moment, driven gear 34 can drive lead screw 22 and rotate,

lead screw

22 and 12 screw-thread fit of thread bush take place the lift displacement along base 1, lead screw 22 carries out the lift displacement through lift platform 2 drive rotary platform 4 this moment, with this height of adjusting rotary platform 4. Referring to fig. 1, when the screw rod 22 is completely screwed into the threaded sleeve 12, the rotating platform 4 and the lifting platform 2 are sequentially stacked on the base 1, so as to form an electric pallet with high integration level and small space height.

Referring to fig. 8 and 9, the rotary platform 4 includes a rotary plate 41, a swing support 42, a rotary toothed plate 43, and a rotary cover 44. The rotating disc 41 is disc-shaped, and a center hole 411 is formed in the center of the circular surface of the rotating disc, and the center hole 411 is circular. A plurality of ribs 412 are integrally formed on the bottom surface of the rotary plate 41, and the plurality of ribs 412 are uniformly distributed in the radial direction of the rotary plate 41. The rotary support 42 comprises an inner ring 421, an outer ring 422 and balls 423, wherein the outer ring 422 is rotatably sleeved on the inner ring 421, and the balls 423 are movably arranged between the outer ring 422 and the inner ring 421. The outer ring 422 is fixedly mounted on the bottom surface of the rotating disc 41 through bolts, the rotating toothed disc 43 is integrally formed on the outer wall of the outer ring 422, and when the rotating toothed disc 43 rotates relative to the inner ring 421, the rotating toothed disc 43 drives the rotating disc 41 to rotate through the outer ring 422, and at this time, the rotating disc 41 rotates relative to the inner ring 421. As shown in fig. 7, the inner ring 421 is located below the central hole 411, and is fixedly mounted on the central ring through bolts, so as to realize the rotational connection between the rotating disc 41 and the lifting disc 21. The inner wall of the inner ring 421 abuts against the outer wall of the protruding ring 213, and the restriction of the protruding ring 213 prevents the relative movement between the rotation support 42 and the lifting plate 21.

Referring to fig. 9, the rotary cover 44 is in a circular shape and is fixedly mounted on the top surface of the rotary plate 41 through bolts, thereby shielding the central hole 411 and further shielding the rotary support 42 to protect it. When the rotary cover 44 is removed, the rotary support 42 can be mounted and removed through the central hole 411, which is convenient for maintenance and replacement of the rotary platform 4.

Referring to fig. 4, the rotation assembly 5 includes a rotation gear 51 and a rotation motor 52. The rotary gear 51 is rotatably provided on the inner bottom surface of the elevating plate 21 and is engaged with the rotary toothed plate 43. The rotary motor 52 is fixedly installed on the bottom surface of the elevating tray 21, and is connected to the rotary gear 51 through a right-angle reducer. The rotating motor 52 is started to drive the rotating gear 51 to rotate, the rotating gear 51 is meshed with the rotating fluted disc 43 and drives the rotating fluted disc 43 to rotate, the rotating fluted disc 43 drives the rotating disc 41 and the rotating cover 44 to rotate through the outer ring 422 of the slewing bearing, so that the rotating platform 4 rotates, and the angle of the rotating platform 4 can be adjusted.

The implementation principle of the application is as follows: when in use, the electric tray is arranged on an AGV trolley, and goods are arranged on the rotary cover 44; after the AGV trolley reaches a storage goods space, a lifting motor 33 is started to drive a driving gear 32 to rotate, the driving gear 32 is meshed with a gear ring 31 and drives the gear ring 31 to rotate, the gear ring 31 is meshed with a driven gear 34 and drives the driven gear 34 to rotate, the driven gear 34 can drive a lead screw 22 to rotate, at the moment, the lead screw 22 is in threaded fit with a threaded sleeve 12 and moves up and down along a base 1, and the lead screw 22 drives a rotary platform 4 to move up and down through a lifting platform 2 so as to adjust the height of the rotary platform 4; when the rotating motor 52 is started, the rotating motor 52 drives the rotating gear 51 to rotate, the rotating gear 51 is meshed with the rotating fluted disc 43 and drives the rotating fluted disc 43 to rotate, and the rotating fluted disc 43 can drive the rotating disc 41 and the rotating cover 44 to rotate, so that the rotating platform 4 rotates, and the angle of the rotating platform 4 can be adjusted; this application when the goods is got to AGV dolly getting, only need adjust electronic tray and can transport the goods to the assigned position, the AGV dolly need not to carry out holistic turning to or go up and down, flexibility when having improved the AGV dolly and using, the goods is got and is put the convenience.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a liftable and rotatory electronic tray which characterized in that: the device comprises a base (1), a lifting platform (2) and a rotating platform (4), wherein a threaded sleeve (12) is fixedly arranged in the base (1); the lifting platform (2) comprises a lifting disc (21) arranged above the base (1), a screw rod (22) is rotatably arranged on the lifting disc (21), the screw rod (22) is in threaded connection with a threaded sleeve (12), and a lifting assembly (3) for driving the screw rod (22) to rotate is arranged on the lifting disc (21); the rotary platform (4) is rotatably arranged above the lifting platform (2), and a rotary component (5) for driving the rotary platform (4) to rotate is arranged on the lifting disc (21).

2. A liftable and rotatable electric pallet according to claim 1, characterized in that: lifting unit (3) are including rotating driving gear (32), driven gear (34) and ring gear (31) that set up in lifting disk (21), driving gear (32), driven gear (34) all with ring gear (31) meshing, fixed mounting is used for driving gear (32) pivoted elevator motor (33) on lifting disk (21), driven gear (34) fixed cover is established on lead screw (22).

3. A liftable and rotatable electric pallet according to claim 2, characterized in that: the driven gears (34) are arranged in a number of at least three along the circumferential direction of the lifting disc (21), and the screw rod (22) and the thread sleeve (12) are correspondingly arranged in a number of at least three.

4. A liftable and rotatable electric pallet according to claim 2, characterized in that: fixed mounting has sliding seat (311) that is used for placing ring gear (31) in lifting disk (21), fixed mounting has clamp plate (312) of locating on ring gear (31) top surface on sliding seat (311), ring gear (31) rotate to set up between sliding seat (311) and clamp plate (312).

5. A liftable and rotatable electric pallet according to claim 2, characterized in that: the screw rod (22) is connected with the lifting disc (21) through a first bearing (23) and a second bearing (24), the first bearing (23) and the second bearing (24) are respectively located at two ends of the connecting position of the screw rod (22) and the lifting disc (21), and at least one bearing adopts a combined bearing for bearing axial force and radial force.

6. A liftable and rotatable electric pallet according to claim 1, characterized in that: rotating assembly (5) including rotate rotary gear (51) that sets up in lifting disk (21) and be used for driving rotary gear (51) pivoted rotating electrical machines (52), rotary platform (4) are including rotary disk (41) and gyration support (42), inner circle (421) and lifting disk (21) rigid coupling, outer lane (422) and rotary disk (41) rigid coupling of gyration support (42), just fixed cover is equipped with rotatory fluted disc (43) on outer lane (422) of gyration support (42), rotatory fluted disc (43) and rotary gear (51) meshing.

7. A liftable and rotatable electric tray according to claim 6, characterized in that: the lifting disc (21) is provided with a supporting seat (212) for installing a rotary support (42), the top surface of the supporting seat (212) is fixedly provided with a convex ring (213), and the convex ring (213) is abutted against the inner wall of an inner ring (421) of the rotary support (42).

8. A liftable and rotatable electric tray according to claim 6, characterized in that: the rotary plate (41) is provided with a center hole (411), the rotary support (42) is installed on the lifting plate (21) through the center hole (411), and the top surface of the rotary plate (41) is detachably provided with a rotary cover (44) used for shielding the center hole (411).

9. A liftable and rotatable electric tray according to claim 6, characterized in that: the bottom surface of the rotating disc (41) is fixedly provided with a plurality of reinforcing ribs (412).

10. A liftable and rotatable electric pallet according to claim 1, characterized in that: the base (1) internal fixation is provided with a mounting seat (11), and the thread bush (12) is fixedly mounted on the mounting seat (11) through a screw.