CN218490809U

CN218490809U - Return device of lifting tray

Info

Publication number: CN218490809U
Application number: CN202222271782.5U
Authority: CN
Inventors: 杨志; 苏涛; 徐志祥; 张刚; 苗应亮
Original assignee: Maxvision Technology Corp
Current assignee: Maxvision Technology Corp
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-02-17
Anticipated expiration: 2032-08-26

Abstract

The utility model relates to a lift tray reflux unit, including frame, first tray transport mechanism, second tray transport mechanism, driving motor, two sets of tray backup pads, two sets of first order sprocket chain drive mechanism and two sets of second level sprocket chain drive mechanism. Drive motor, first order sprocket chain drive mechanism and second level sprocket chain drive mechanism constitute drive structure can drive tray backup pad circulation lift, and the tray is followed the tray backup pad again and is elevating movement, first tray transport mechanism and second tray transport mechanism are used for respectively conveying the tray to the tray backup pad or spread the tray in the tray backup pad, thereby realize that the from-to-down of tray moves and carries or from upwards moving from the bottom and carry, then retrieve the initial position with the tray through lower floor's conveyer belt, thereby realize that the tray of use scenes such as security installations retrieves automatically, or upload the tray automatically and avoid the passenger to bend over to take the tray, the tray receives the damage when effectively preventing the transport simultaneously.

Description

Return device of lifting tray

Technical Field

The utility model relates to a carry technical field, especially relate to a lift tray reflux unit.

Background

The box opening inspection post in the security inspection channel is considered as the post which consumes the most physical power all the time, and not only is the post to help passengers carry luggage, but also the storage trays used by the passengers are tidied up and carried to the initial position. In a busy period of a security inspection channel, trays which are carried by box openers at one time often weigh ten kilograms, the trays need to be carried hundreds of times a day, and high-strength carrying also brings trouble to female box openers with weak power.

In order to solve the problem, the large-scale airport in China is all furnished with empty tray and returns frame system at present, and current empty frame conveyor is mostly spiral delivery mechanism, drop-out conveying mechanism or swing arm formula conveying mechanism etc. and the structure is comparatively complicated among the current empty frame conveyor, and multiunit equipment is difficult to synchronous drive control, and transmission efficiency is not high and the fault rate is higher, remains to improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lift tray reflux unit of tray is retrieved to simple structure, synchronism are good, high efficiency.

The utility model discloses a realize like this: the utility model provides a lift tray reflux unit, includes frame, first tray transport mechanism, second tray transport mechanism, driving motor, two sets of tray backup pads, two sets of first order sprocket chain drive mechanism and two sets of second order sprocket chain drive mechanism, driving motor first order sprocket chain drive mechanism with second order sprocket chain drive mechanism all is set up in the frame, driving motor directly drives first order sprocket chain drive mechanism work, first order sprocket chain drive mechanism drives second order sprocket chain drive mechanism work again, second order sprocket chain drive mechanism is set up by vertical direction, the tray backup pad is set up on the second order sprocket chain drive mechanism, the tray backup pad carries out circulating elevating movement under second order sprocket chain drive mechanism's the drive, and two sets of tray backup pads are used for supporting the left and right sides of tray respectively, so that the tray follows the tray backup pad is the elevating movement, first tray transport mechanism and second tray transport mechanism convey the tray to on the tray backup pad or with the tray on the backup pad spreads the tray.

Wherein, all include one or more in every group tray backup pad, every tray backup pad is evenly fixed on second level sprocket chain drive's chain.

The tray support plate is provided with a plurality of horizontal waist-shaped holes, and the two ends of the tray support plate are provided with rollers.

Wherein the first tray transfer mechanism comprises a first support frame and one or more first rolling transportation pieces, each first rolling transportation piece is arranged on the first support frame in parallel and side by side, and the first support frame is fixed on the machine frame.

The second tray conveying mechanism comprises one or more second rolling conveying pieces and a second supporting frame, and each second rolling conveying piece is fixed on the rack through the second supporting frame.

Wherein, first order sprocket chain drive with second level sprocket chain drive all includes sprocket, chain and pivot, just first order sprocket chain drive with second level sprocket chain drive's linkage department shares same root pivot.

The beneficial effects of the utility model are that: drive motor, first order sprocket chain drive mechanism and second level sprocket chain drive mechanism constitute drive structure can drive the circulation of tray backup pad and go up and down, and the tray is followed the tray backup pad again and is elevating movement, first tray transport mechanism and second tray transport mechanism are used for respectively conveying the tray to the tray backup pad or spread the tray in the tray backup pad, thereby realize moving or moving from the bottom up from the top down of tray and move, then retrieve the initial position with the tray through lower floor's conveyer belt, thereby realize that the tray of safety inspection usefulness is automatic to be retrieved, or automatic tray of going up avoids the passenger to bow to take the tray, reduce safety inspection personnel and retrieve tray working strength, improve safety inspection work efficiency, the tray receives the damage when effectively preventing simultaneously to carry, for the passenger trip provides more convenient, the utility model discloses can be used to the security inspection passageway that people's flow is big such as airport, customs, railway station, subway station. Additionally, the utility model discloses simple structure has just realized the circulation lift of tray backup pad through a set of driving motor cooperation sprocket chain drive mechanism, and the synchronism is good, and is fast, the high-efficient tray of retrieving.

Drawings

Fig. 1 is a perspective view of the lifting tray backflow device of the present invention.

Fig. 2 is a perspective view of the lifting tray backflow device at another angle.

Fig. 3 is a rear view of the lifting tray backflow device of the present invention.

Fig. 4 is a side view of the lifting tray reflow apparatus of the present invention.

Fig. 5 is a schematic structural view of the second stage sprocket chain transmission mechanism of the present invention.

Fig. 6 is a schematic structural view of the tray supporting plate of the present invention.

Fig. 7 is a schematic structural diagram of the second tray conveying mechanism of the present invention.

1. A frame; 2. a first tray conveying mechanism; 21. a first support frame; 22. a first rolling transport; 3. a second tray transfer mechanism; 31. a second rolling transport; 32. a second support frame; 4. a drive motor; 5. a tray support plate; 51. a waist-shaped hole; 6. a first-stage chain wheel and chain transmission mechanism; 61. a sprocket; 62. a chain; 63. a rotating shaft; 7. a second-stage chain wheel and chain transmission mechanism; 71. a sprocket; 72. a chain; 73. a rotating shaft; 8. a roller; 100. a tray.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments described below are by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships that are based on those shown in the drawings, which are merely for convenience in describing the present disclosure and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus the terms are not to be construed as limiting the invention.

It is understood that the terms "a" and "an" should be interpreted as meaning "at least one" or "one or more," i.e., the number of one element may be one in one embodiment, while the number of other elements may be plural in other embodiments, and the terms "a" and "an" should not be interpreted as limiting the number.

As an embodiment of the lifting tray backflow device, as shown in fig. 1 to 5, including frame 1, first tray transport mechanism 2, second tray transport mechanism 3, driving motor 4, two sets of tray supporting plates 5, two sets of first-level sprocket chain transmission mechanism 6 and two sets of second-level sprocket chain transmission mechanism 7, driving motor 4, every group first-level sprocket chain transmission mechanism 6 and every group second-level sprocket chain transmission mechanism 7 is all set up in frame 1, driving motor 4 directly drives first-level sprocket chain transmission mechanism 6 works, for first-level sprocket chain transmission mechanism 6 drives second-level sprocket chain transmission mechanism 7 works, second-level sprocket chain transmission mechanism 7 is set up by vertical direction, tray supporting plate 5 is set up on second-level sprocket chain transmission mechanism 7, and make circulating elevating movement under second-level sprocket chain transmission mechanism 7's drive, two sets of tray supporting plates 5 are used for supporting the left and right sides of tray 100 respectively, so that tray 100 is followed tray supporting plate 5, tray transport mechanism 2 and second-level sprocket chain transmission mechanism 5 are used for circulating elevating movement tray transport mechanism 5 or tray transport mechanism 5.

In this embodiment, the first pallet transport mechanism 2 includes a first support frame 21 and one or more first rolling transportation members 22, the first rolling transportation members 22 are arranged in parallel and side by side on the first support frame 21, and the first support frame 21 is fixed on the rack 1.

In this embodiment, the second tray conveying mechanism 3 includes one or more second rolling transportation members 31 and a second supporting frame 32, and the second rolling transportation members 31 are fixed on the rack 1 through the second supporting frame 32.

In this embodiment, every group first order sprocket chain drive 6 includes sprocket 61, chain 62 and pivot 63, every group second order sprocket chain drive 7 includes sprocket 71, chain 72 and pivot 73, just first order sprocket chain drive 6 with same root pivot is shared in second order sprocket chain drive's 7 linkage department for realize the power transmission between the two-stage sprocket chain drive.

The working process of the lifting tray backflow device is as follows: 1. firstly, the driving motor 4 transmits power to the first-stage chain wheel and chain transmission mechanisms 6 on two sides, the first-stage chain wheel and chain transmission mechanisms 6 transmit the power to the second-stage chain wheel and chain transmission mechanisms 7, the tray supporting plate 5 can circularly lift along with the chain 72 when the chain 72 circularly rotates as the tray supporting plate 5 is fixed on the chain 72 of the second-stage chain wheel and chain transmission mechanisms 7, and the driving motor 4 stops working when the tray supporting plate 5 is positioned on the inner side of the chain 72 and the tray supporting plate 5 is positioned at the top end; 2. the first tray conveying mechanism 2 operates to convey the tray 100 onto the tray supporting plate 5 (a conveying mechanism is arranged outside and is in butt joint with the first tray conveying mechanism); 3. the driving motor 4 continues to work, the chain 72 of the second-stage chain wheel and chain transmission mechanism 7 continues to rotate, the tray supporting plate 5 begins to descend, when the tray supporting plate 5 descends to the bottom, the tray 100 completely falls on the second tray conveying mechanism 3, the second tray conveying mechanism 3 conveys the tray 100 on the tray supporting plate 5 out, the tray 100 is recovered to the initial position through an external conveying device, and the operation is circulated.

It can be understood that this application can also reverse work, and the tray backup pad is up carried from down promptly to the realization is moved and is carried the function, thereby with the tray of lower floor, automatic lifting to the upper strata supplies the passenger to use, avoids the passenger to bow the tray of taking, provides more convenient for the passenger trip.

Drive structure that driving motor 4, first order sprocket chain drive 6 and second level sprocket chain drive 7 are constituteed can drive tray backup pad 5 circulation lift, and tray 100 follows tray backup pad 5 and is the elevating movement, first tray transport mechanism 2 and second tray transport mechanism 3 are used for respectively conveying tray 100 to tray backup pad 5 on or spread tray 100 on the tray backup pad 5, thereby realize that tray 100 moves from the top down and carries or from carrying from the bottom up, then retrieve initial position with tray 100 through lower floor's conveyer belt, thereby realize that the tray under the security inspection use scene is automatic to be retrieved, or automatic go up the tray and avoid the passenger to bow and take the tray, reduce the intensity that security inspection personnel retrieved tray work, improve security inspection work efficiency, the tray receives the damage when effectively preventing simultaneously when carrying, it is more convenient to provide the trip, the utility model discloses an application scene includes but not limited to the security inspection passageway that people's flow is big such as airport, customs, railway station, subway station, passenger station. Additionally, the utility model discloses simple structure realizes the circulation lift of tray backup pad through a set of driving motor cooperation sprocket chain drive mechanism, and the synchronism is good, and is fast, and it is more high-efficient to retrieve the tray.

In this embodiment, each set of tray supporting plates 5 includes a plurality of tray supporting plates, each tray supporting plate is uniformly fixed on the chain 72 of the second stage sprocket chain transmission mechanism 7, as shown in fig. 3, the actual number of tray supporting plates of each set of tray supporting plates 5 may be, but is not limited to, 4, that is, at most 4 trays 100 can be lifted per one revolution of the chain 72 in the second stage sprocket chain transmission mechanism 7, so that the transfer efficiency can be greatly improved.

In this embodiment, both ends of tray supporting plate 5 all are equipped with gyro wheel 8, tray supporting plate 5 still is equipped with horizontally waist shape hole 51, the axle of gyro wheel 8 is fixed in waist shape hole 51, the position of gyro wheel 8 can be adjusted in certain extent to be suitable for not unidimensional tray 100, further, in above-mentioned step 2, when first tray transport mechanism 3 moves and conveys tray 100 to tray supporting plate 5 on, tray 100 can block in the gyro wheel 51 of tray supporting plate 5 both sides, and the gyro wheel 8 of both sides can prevent that tray 100 from rocking in lift process.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A lifting tray backflow device is suitable for one or more trays and is characterized by comprising a rack, a first tray conveying mechanism, a second tray conveying mechanism, a driving motor, two sets of tray supporting plates, two sets of first-stage chain wheel and chain transmission mechanisms and two sets of second-stage chain wheel and chain transmission mechanisms, wherein the driving motor, the first-stage chain wheel and chain transmission mechanisms and the second-stage chain wheel and chain transmission mechanisms are arranged on the rack, the driving motor directly drives the first-stage chain wheel and chain transmission mechanisms to work, the first-stage chain wheel and chain transmission mechanisms then drive the second-stage chain wheel and chain transmission mechanisms to work, the second-stage chain wheel and chain transmission mechanisms are vertically arranged, the tray supporting plates are arranged on the second-stage chain wheel and chain transmission mechanisms, the tray supporting plates are driven by the second-stage chain wheel and chain transmission mechanisms to circularly lift and move, the two sets of tray supporting plates are respectively used for supporting the left side and the right side of the tray, so that the tray can be lifted and moved along with the tray supporting plates, and the first tray conveying mechanisms and the second tray conveying mechanisms respectively convey the tray supporting plates onto the tray supporting plates or convey the tray supporting plates onto the tray supporting plates.

2. The apparatus of claim 1, wherein each set of tray support plates comprises one or more tray support plates, each tray support plate being uniformly secured to a chain of the second stage sprocket and chain drive.

3. The elevating tray reflow apparatus of claim 1, wherein each tray support plate is provided with rollers at both ends thereof, each tray support plate is provided with a horizontal kidney-shaped hole, and the shaft of the roller is fixed in the kidney-shaped hole.

4. The apparatus as claimed in claim 1, wherein the first pallet transferring mechanism includes a first supporting frame and one or more first rolling transportation members, each of the first rolling transportation members being arranged in parallel and side by side on the first supporting frame, the first supporting frame being fixed to the rack.

5. The apparatus of claim 1, wherein the second tray transport mechanism comprises one or more second rolling transport members and a second support frame, each of the second rolling transport members being secured to the frame by the second support frame.

6. The lifting tray backflow device according to claim 1, wherein the first stage sprocket chain transmission mechanism and the second stage sprocket chain transmission mechanism each comprise a sprocket, a chain and a rotating shaft, and the linkage of the first stage sprocket chain transmission mechanism and the second stage sprocket chain transmission mechanism shares the same rotating shaft.