CN216271346U

CN216271346U - Tray conveying device

Info

Publication number: CN216271346U
Application number: CN202122981657.9U
Authority: CN
Inventors: 黄文镇; 唐林涛; 康金岭; 房华伟; 黄富建; 谢柳金; 吴冬; 卢锋; 钟其学; 侯志广
Original assignee: China Tobacco Guangxi Industrial Co Ltd
Current assignee: China Tobacco Guangxi Industrial Co Ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-12
Anticipated expiration: 2031-11-30

Abstract

The utility model provides a tray conveying device, which belongs to the technical field of tray conveying equipment and comprises a rack, wherein a plurality of driving wheels driven by external force to rotate are arranged at the top of the rack, chains with two free-hanging ends are connected to the driving wheels in a transmission manner, one ends of the chains are fixedly connected with balancing weights, the other ends of the chains are fixedly connected with a tray supporting frame, the tray supporting frame is connected to the rack in an up-and-down sliding manner, a plurality of driving rollers are arranged on the tray supporting frame at intervals, and a driving device used for driving the driving rollers to rotate is connected to the tray supporting frame. The tray conveying device provided by the utility model has the functions of horizontal conveying and vertical conveying, and is beneficial to keeping the uniform stress in the vertical conveying process, so that the whole conveying action is smooth.

Description

Tray conveying device

Technical Field

The utility model relates to the technical field of conveying devices, in particular to a tray conveying device.

Background

The tray is a cargo platform which can change static goods into dynamic goods and is a tool which can be used in the processes of loading, unloading, carrying, warehousing and transportation.

At present, trays on a production line need to be manually carried in the process of going up and down the production line, time and labor are consumed, the automation degree is low, and the production efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is to overcome the defects that the trays in the prior art need to be manually carried when going up and down a production line, and the time and the labor are consumed, thereby providing the tray conveying device.

In order to solve the above problems, the present invention provides a tray conveying device including:

the tray lifting mechanism comprises a rack, wherein the top of the rack is provided with a plurality of driving wheels driven by external force to rotate, the driving wheels are in transmission connection with chains with two free-falling ends, one ends of the chains are fixedly connected with balancing weights, and the other ends of the chains are fixedly connected with tray supporting frames;

the tray support frame is connected with the rack in a vertical sliding mode, a plurality of driving rollers are arranged on the tray support frame at intervals, and a driving device used for driving the driving rollers to rotate is connected onto the tray support frame.

Furthermore, the driving device is a motor, and the output end of the driving device is in transmission connection with each driving roller through a chain wheel.

Further, the driving rollers are provided with three rows arranged at intervals, and output shafts of the driving devices penetrate through the three rows of driving rollers and are respectively in transmission connection with the two rows of driving rollers on two sides through chain wheels.

Furthermore, a guide plate used for guiding the tray to enter the transmission roller is arranged on the tray supporting frame, and the free end of the guide plate is arranged in a downward inclined mode.

Further, the tray support frame is abutted to the support upright post of the rack through a roller.

Further, the inside chamber that holds that is used for holding the balancing weight that has of support post.

Further, the weight of the balancing weight is smaller than that of the tray supporting frame.

Further, the bottom of balancing weight is equipped with the blotter.

Furthermore, the top of frame has two at least transmission wheelsets that connect through the transfer line, and wherein, the first transfer line of first transmission wheelset is connected with elevator motor, the second transfer line of second transmission wheelset with through hold-in range, chain or gear engagement transmission connection between the first transfer line.

Further, be provided with reverse device between two the driving wheel group, reverse device includes: the steering mechanism comprises two steering shafts which are meshed and connected with each other, wherein a first steering wheel is connected to the first steering shaft, and the first steering wheel is in synchronous transmission connection with the first transmission rod through a synchronous belt or a chain; and a second steering wheel is connected to the second steering shaft, and the second steering wheel is in synchronous transmission connection with the second transmission rod through a synchronous belt or a chain.

The technical scheme of the utility model has the following advantages:

1. according to the tray conveying device provided by the utility model, the tray supporting frame is connected to the rack in a vertically sliding manner, the plurality of driving rollers are arranged on the tray supporting frame at intervals, and the driving devices for driving the driving rollers to rotate are connected to the driving rollers, so that the tray has the effects of horizontal conveying and vertical conveying, the manual intervention is reduced, the labor and time cost are saved, and the production efficiency is improved;

in addition, because the transmission wheel is arranged on the rack, the chain is connected onto the transmission wheel, one end of the chain is fixedly connected with the balancing weight, and the other end of the chain is fixedly connected onto the tray supporting frame, the balancing weight can ensure that the tray supporting frame always keeps even stress in the vertical ascending and descending processes, so that the whole transportation action is smooth, and the whole synchronous coordinated movement effect in the vertical conveying process is enhanced.

2. According to the tray conveying device provided by the utility model, the transmission rollers are arranged into three rows at intervals, the pivot shafts of the driving device are respectively in transmission connection with the two rows of transmission rollers positioned on the two sides through the chain wheels, so that the conveying effect on the tray is favorably improved, and the transmission rollers in the middle row can play a role in supporting and stressing.

3. According to the tray conveying device provided by the utility model, the weight of the balancing weight is smaller than that of the tray supporting frame, so that the output power of the lifting motor is saved, and the production cost is reduced.

4. According to the tray conveying device provided by the utility model, the two gears which are meshed with each other are arranged on the rack, so that when the balance weight blocks are ensured to be positioned in the supporting upright posts, each driving wheel rotates to drive the chain to enable the tray supporting frame to synchronously ascend or descend, and the tray supporting frame and the chain are prevented from interfering, so that the extra occupied installation space is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention 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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a perspective view of a tray conveying apparatus provided in an embodiment of the present invention.

Fig. 2 is a top view of a pallet support frame provided in an embodiment of the present invention.

Fig. 3 is a top view of fig. 1.

Fig. 4 is a side view of fig. 1.

Description of reference numerals:

1. supporting the upright post; 2. a frame; 3. a guide plate; 4. a driving roller; 5. an output end; 6. mounting a plate; 7. a roller; 8. a drive motor; 9. a tray support frame; 12. a first chain; 13. a lifting motor; 15. a first drive lever; 17. a driving wheel; 18. a first steering wheel; 19. a second steering wheel; 20. a second chain; 21. a second transmission rod; 22. a drive chain; 23. a balancing weight; 24. and a third chain.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "transport," "lift," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The present embodiment provides a pallet conveying device, which is used for conveying pallets to a production line or taking down pallets on the production line for the next process, where the pallets are only used as a reference cargo platform, and as an alternative embodiment, the pallets may be a multi-layer stack formed by stacking a plurality of pallets, or a loading box, etc.

As shown in fig. 1, the tray conveying device described in this embodiment includes a frame 2, a plurality of driving wheels 17 driven by external force to rotate are disposed at the top of the frame 2, a driving chain 22 with two free ends hanging down is connected to the driving wheels 17, one end of the driving chain 22 is fixedly connected with a balancing weight 23, the other end of the driving chain 22 is fixedly connected with a tray supporting frame 9, the balancing weight 23 is arranged to facilitate keeping the tray supporting frame 9 uniformly stressed all the time in the vertical ascending and descending processes, so that the whole conveying action is smooth, and the whole synchronous coordinated movement effect in the vertical conveying process is enhanced.

Tray support frame 9 can be connected on frame 2 with sliding from top to bottom, and interval arrangement has a plurality of driving rollers 4 on tray support frame 9 to be connected with on driving roller 4 and be used for driving its pivoted drive arrangement, via this setting, tray support frame 9 has horizontal transport and vertical transport's effect concurrently, is favorable to reducing artificial intervention, uses manpower sparingly and time cost, promotes production efficiency.

As shown in fig. 1 and fig. 2, the driving device in this embodiment may adopt an existing mature rotating electrical machine, the output end 5 of the driving device is in transmission connection with each driving roller 4 through a first chain 12, specifically, the driving rollers 4 on the tray supporting frame 9 have three rows arranged at intervals, each driving roller 4 is provided with a sprocket, the output end 5 of the driving device passes through the three rows of driving rollers 4 and then is in transmission connection with two rows of driving rollers 4 located at both sides through the first chain 12, thereby implementing the rotation state of the two rows of driving rollers 4, here, the arrangement of the driving rollers 4 in the middle row can play a role of supporting a tray, and further enhancing the structural strength of the tray supporting frame 9.

As an alternative embodiment, the driving roller 4 can be arranged in one row or other rows, as long as the driving device can drive the driving roller 4 to rotate so as to drive the tray to convey. The driving roller 4 can be horizontally arranged in the figure, and can also be set into an inclined plane with a certain inclination according to the actual assembly scene, so long as the stable motion of the tray in the conveying process is ensured.

Still as shown in fig. 1, the tray support frame 9 in this embodiment is further provided with a guide plate 3 for guiding the tray to enter the driving roller 4, the free end of the guide plate 3 is inclined downward, and after the assembly is completed, the free end of the guide plate 3 abuts against the ground, so that the tray support frame 9 and the ground are in transition connection, and the tray is conveyed to the tray support frame 9 by external equipment such as a forklift.

Here, the frame 2 in this embodiment has four support columns 1 that support the ground around respectively, and the corresponding each support column 1 around tray support frame 9 is provided with mounting panel 6, installs gyro wheel 7 on the mounting panel 6, sets up in the slide rail in the axial of support column 1, realizes the slip setting between tray support frame 9 and the support column 1 through the cooperation between slide rail and gyro wheel 7. As an alternative embodiment, the sliding arrangement can also be realized by connecting a freely telescopic link between the pallet support 9 and the support column 1.

As shown in fig. 4, the supporting column 1 in this embodiment has a containing cavity for containing the weight block 23, and the weight block 23 is contained in the supporting column 1 to reduce the occupied space and improve the overall aesthetic effect of the tray conveying device. Here, it should be noted that the weight of the counterweight 23 may be smaller than the weight of the tray support frame 9, so as to reduce the work of the lifting motor 13 on the counterweight 23, and facilitate reducing the output power of the lifting motor 13. It should be noted that the weight of the weight 23 is not limited in particular, as long as the weight can pull the transmission chain 22 to keep a downward state all the time during the conveying process. As an alternative embodiment, the bottom end of the weight 23 is also provided with a cushion to provide a cushion when the weight 23 contacts the ground.

As shown in fig. 1 and fig. 3, in this embodiment, the top of the frame 2 has two opposite transmission wheel sets, a first transmission rod 15 of the first transmission wheel set is connected to the lifting motor 13, a second transmission rod 21 of the second transmission wheel set is engaged with the first transmission rod 15 through a second chain 20, two coaxial rotating transmission wheels 17 are respectively disposed at two ends of the first transmission rod 15 of the first transmission wheel set, two coaxial rotating transmission wheels 17 are disposed at two ends of the second transmission rod 21 of the second transmission wheel set, and the transmission chains 22 respectively connecting the counterweight 23 and the pallet support frame 9 are respectively engaged with the transmission wheels 17, so as to realize the ascending and descending operations of the pallet support frame 9. As an alternative embodiment, the first transmission lever 15 and the second transmission lever 21 may be connected by a belt drive or by a gear mesh drive.

As an alternative embodiment, a reversing device is arranged between the two transmission wheel sets in the embodiment, and the reversing device comprises two steering shafts which are meshed and connected with each other, wherein a first steering wheel 18 is connected to the first steering shaft, and the first steering wheel 18 and the first transmission rod 15 are in synchronous transmission connection through a second chain 20; the second steering shaft is connected with a second steering wheel 19, and the second steering wheel 19 is in synchronous transmission connection with the second transmission rod 21 through a third chain 24. Through setting up reversing arrangement, be favorable to on transmitting the moment of torsion of elevator motor 13 to the second transmission wheelset to guarantee that the direction of rotation that corresponds is the same on each drive wheel 17, thereby be favorable to realizing the synchronous lift action all around of tray support frame 9, and be favorable to avoiding taking place to interfere between tray support frame 9 and the chain, thereby avoid needing to occupy unnecessary installation space.

As an alternative embodiment of the above reversing device, in this embodiment, the reversing device is not provided, the rotation direction of the first driving wheel set is the same as the rotation direction of the lifting motor 13, the rotation direction of the second driving wheel set is opposite to the rotation direction of the lifting motor 13, and with respect to the counterweight 23 and the tray support frame 9 respectively disposed at the two ends of the driving chain 22 on the first driving wheel set, the disposition blocks respectively disposed at the two ends of the driving chain 22 on the second driving wheel set are opposite to the tray support frame 9, so as to achieve the synchronous ascending and descending actions of the tray support frame 9 around.

The working principle is as follows:

after the pallet is conveyed to the pallet supporting frame 9 by transportation equipment such as a forklift, the driving motor 8 starts to work, and the driving roller 4 rotates to drive the pallet to move to the middle position of the pallet supporting frame 9; then, the lifting motor 13 starts to work to drive the first transmission wheel set to start rotating, the first transmission wheel set drives the second transmission wheel set to rotate through chain transmission, in the process, the transmission chains 22 on the transmission wheels 17 start to synchronously rotate, the corresponding counter weights 23 on the transmission chains 22 start to descend, and the tray supporting frame 9 rises; when the tray supporting frame needs to be lowered, the lifting motor 13 rotates reversely, so that the counterweight block 23 begins to rise, and the tray supporting frame 9 is lowered to finish vertical conveying work.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims

1. A tray conveying apparatus, characterized by comprising:

the device comprises a rack (2), wherein the top of the rack (2) is provided with a plurality of driving wheels (17) driven by external force to rotate, the driving wheels (17) are in transmission connection with chains with two free-hanging ends, one ends of the chains are fixedly connected with balancing weights (23), and the other ends of the chains are fixedly connected with a tray supporting frame (9);

sliding connection about tray support frame (9) is in on frame (2), interval arrangement has a plurality of driving rollers (4) on tray support frame (9), be connected with on tray support frame (9) and be used for the drive driving roller (4) pivoted drive arrangement.

2. The pallet conveying device according to claim 1, characterized in that the driving means is a motor, and the output end (5) of the driving means is in transmission connection with each of the driving rollers (4) through a chain wheel.

3. The tray conveying device according to claim 2, wherein the driving rollers (4) are arranged in three rows at intervals, and the output shafts of the driving devices are respectively connected with the two rows of the driving rollers (4) on two sides through chain wheels after passing through the three rows of the driving rollers (4).

4. The pallet conveying device according to claim 1, characterized in that the pallet support frame (9) is provided with a guide plate (3) for guiding the pallet onto the driving roller (4), and the free end of the guide plate (3) is arranged to be inclined downwards.

5. The pallet conveyor arrangement according to claim 1, characterized in that the pallet support frame (9) is in abutment with the support upright (1) of the frame (2) by means of rollers (7).

6. The pallet conveyor according to claim 5, characterized in that the support column (1) has inside a housing cavity for housing a counterweight (23).

7. The pallet conveyor according to claim 1, characterized in that the weight of the counterweight (23) is smaller than the weight of the pallet support frame (9).

8. The pallet conveying device according to claim 1, characterized in that the bottom end of the weight block (23) is provided with a cushion.

9. The pallet conveyor according to any of claims 1-8, characterized in that the top of the machine frame (2) has at least two driving wheel sets connected by driving rods, wherein the first driving rod (15) of the first driving wheel set is connected with the lifting motor (13), and the second driving rod (21) of the second driving wheel set is connected with the first driving rod (15) by a synchronous belt, chain or gear mesh driving.

10. The pallet conveying apparatus according to claim 9, wherein a reversing device is provided between the two driving wheel sets, the reversing device comprising: the steering mechanism comprises two steering shafts which are meshed and connected with each other, wherein a first steering wheel (18) is connected to the first steering shaft, and the first steering wheel (18) is in synchronous transmission connection with the first transmission rod (15) through a synchronous belt or a chain; the second steering shaft is connected with a second steering wheel (19), and the second steering wheel (19) is connected with the second transmission rod (21) through a synchronous belt or a chain in a synchronous transmission mode.