CN214566458U

CN214566458U - Tray positioning and lifting device

Info

Publication number: CN214566458U
Application number: CN202120720356.8U
Authority: CN
Inventors: 赵彦华
Original assignee: Tianjin Huashuai Technology Co ltd
Current assignee: Tianjin Huashuai Technology Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-11-02
Anticipated expiration: 2031-04-09

Abstract

The utility model relates to a tray location elevating gear. The lifting device comprises a mounting bracket, wherein a lifting mounting plate which is transversely arranged and a lifting driving assembly for driving the lifting mounting plate to move up and down are connected to the mounting bracket; a roller transmission structure is connected to the lifting mounting plate; four groups of positioning assemblies which are arranged in pairs in an opposite way penetrate through the transmission surface of the roller transmission structure; the distance between two groups of positioning assemblies which are oppositely arranged in the transmission direction of the roller transmission structure cannot be adjusted, and the distance between two groups of positioning assemblies which are perpendicular to the transmission direction of the roller transmission structure can be adjusted; and a short roller is arranged between the two groups of positioning components with adjustable intervals. The utility model discloses carry out stable centre gripping location operation when can carrying out longitudinal movement to the tray, avoid the tray to take place to rock in product pile up neatly operation or the transfer operation process, improved the efficiency of stack operation and the factor of safety of working process.

Description

Tray positioning and lifting device

Technical Field

The utility model belongs to the technical field of equipment for packing, especially, relate to a tray location elevating gear.

Background

In the subsequent packaging process of food, medicine, daily chemical industry and other industries, materials or packaged materials are generally required to be stacked according to a certain sequence, and then stacked products are conveyed or conveyed to a warehouse.

Among them, pallets are horizontal platform devices for the placement of goods and articles for containerization, stacking, handling and transportation, and are important handling, storage and transportation component devices during logistics operations. In order to improve the production efficiency and reduce the labor cost, a palletizing robot is adopted to palletize packaged products after the products are packaged, namely, the products are placed at an appointed position on a tray, and the tray loaded with the products is loaded and warehoused or conveyed to the appointed position by a forklift or a conveying line after the palletizing is completed.

When the stacking robot carries out feeding operation, due to the stroke, the height difference between the height of a clamping jaw of the stacking robot and the height of a tray exists, so that the stacking robot cannot carry out accurate positioning, and the stacking robot can place objects partially; however, the lifting device is simple in structure and lacks of a positioning structure, when a forklift is inserted into the tray to transfer the tray stacked with goods, the tray can shake on the conveying structure, the stacked goods are easy to fall off, and certain potential safety hazards are caused; meanwhile, the pallet is easy to block on the conveying structure, and the normal work of the forklift is affected.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem that exists among the known art and provide a structural design is reasonable, can carry out the tray location elevating gear of accurate location to the tray.

The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: a tray positioning and lifting device comprises a mounting bracket, wherein a lifting mounting plate which is transversely arranged and a lifting driving assembly for driving the lifting mounting plate to move up and down are connected to the mounting bracket; a roller transmission structure is connected to the lifting mounting plate; four groups of positioning assemblies which are arranged in pairs in an opposite way penetrate through the transmission surface of the roller transmission structure; the distance between two groups of positioning assemblies which are oppositely arranged in the transmission direction of the roller transmission structure cannot be adjusted, and the distance between two groups of positioning assemblies which are perpendicular to the transmission direction of the roller transmission structure can be adjusted; and a short roller is arranged between the two groups of positioning components with adjustable intervals.

The utility model has the advantages that: the utility model provides a tray positioning and lifting device, which can conveniently receive and transmit trays by arranging a roller transmission structure, can flexibly adjust the longitudinal position of the roller transmission structure by arranging a mounting bracket, a lifting driving component and a lifting mounting plate, and further move the trays on the roller transmission structure to a proper position, thereby facilitating the palletizing robot to carry out accurate positioning and palletizing operation; the four groups of positioning assemblies which are oppositely arranged in pairs and have adjustable intervals are arranged, so that stable clamping and positioning operation can be performed on the tray on the roller conveying structure, the tray is prevented from shaking in the product stacking operation or transferring operation process, the tray is prevented from being stuck or jammed with the roller conveying structure after shaking and shifting, and the stacking operation efficiency is improved; meanwhile, the phenomenon that stacked goods fall off due to shaking of the tray is avoided, and the safety of the working process is improved.

Preferably: the lifting mounting plate is connected with a distance adjusting component used for adjusting the distance between the two groups of oppositely arranged positioning components.

Preferably: the positioning assembly comprises a positioning mounting frame, a rotating shaft sleeve fixedly connected with the positioning mounting frame is arranged on the positioning mounting frame in a penetrating manner, a shaft part rotatably connected with the rotating shaft sleeve is arranged in the rotating shaft sleeve in a penetrating manner, an L-shaped positioning swing arm is fixedly connected to the top of the shaft part, and a group of positioning rollers are rotatably connected to two support legs of the positioning swing arm; a return spring is connected between the support leg of the positioning swing arm, which is adjacent to the side wall of the roller transmission structure, and the positioning mounting frame; the positioning swing arm fixing device further comprises a limiting screw connected to the positioning mounting frame and used for limiting the positioning swing arm.

Preferably: the distance adjusting assembly comprises a plurality of groups of transversely arranged distance adjusting guide rails fixedly connected to the bottom of the lifting mounting plate, the extending direction of the distance adjusting guide rails is perpendicular to the transmission direction of the roller transmission structure, and the distance adjusting assembly also comprises two groups of distance adjusting transverse moving seats in sliding connection with the distance adjusting guide rails through sliding blocks; a longitudinally arranged distance-adjusting mandrel is fixedly connected to the middle part of the lifting mounting plate, a distance-adjusting swinging plate is rotatably connected to the lower end of the distance-adjusting mandrel, and a connecting rod is hinged between the distance-adjusting transverse moving seat and the distance-adjusting swinging plate; the device also comprises a distance-adjusting linear drive which is fixedly connected with the bottom of the lifting mounting plate and is used for driving the distance-adjusting transverse moving seat to move along the distance-adjusting guide rail.

Preferably: the lifting driving assembly comprises two groups of longitudinally arranged lifting screw rods which are rotatably connected on the mounting bracket, a screw nut which is screwed with the lifting screw rods is fixedly connected on the lifting mounting plate, a lifting driving chain wheel is connected to the end key of the lifting screw rod, the lifting driving assembly also comprises a lifting motor which is used for driving the two groups of lifting driving chain wheels to synchronously rotate, a driving chain wheel is connected to the output end key of the lifting motor, and a chain is in transmission connection between the driving chain wheel and the two groups of lifting driving chain wheels; the lifting device also comprises a lifting guide rod which is fixedly connected with the mounting bracket and is longitudinally arranged, and a linear bearing which is connected with the lifting guide rod in a sliding way is fixedly connected with the lifting mounting plate.

Preferably: the roller transmission structure comprises a roller mounting frame fixedly connected with the lifting mounting plate, and a plurality of groups of long rollers which are transversely distributed in parallel are rotatably connected on the roller mounting frame; the device also comprises a motor and a chain wheel transmission structure which are used for driving a plurality of groups of long rollers to synchronously rotate.

Drawings

Fig. 1 is a schematic top view of the present invention;

fig. 2 is a schematic top view of the positioning assembly of the present invention;

fig. 3 is a schematic bottom view of the distance adjusting assembly of the present invention;

fig. 4 is a schematic side view of the lift drive assembly of the present invention;

fig. 5 is a schematic front view of the lifting driving assembly of the present invention.

In the figure: 1. mounting a bracket; 2. a lift drive assembly; 2-1, a lifting driving chain wheel; 2-2, lifting a screw rod; 2-3, lifting guide rods; 3. a roller mounting frame; 4. a long roller; 5. a short roller; 6. a lifting mounting plate; 7. a positioning assembly; 7-1, positioning a mounting frame; 7-2, positioning rollers; 7-3, a limit screw; 7-4, positioning a swing arm; 7-5, a rotating shaft sleeve; 7-6, a return spring; 8. a distance adjusting component; 8-1, adjusting the distance of the mandrel; 8-2, adjusting the swing plate; 8-3, connecting rod; 8-4, adjusting distance and moving horizontally; 8-5, adjusting distance guide rail; 8-6, distance-adjusting linear driving; 9. a tray.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are described in detail:

referring to fig. 1, the tray positioning and lifting device of the present invention includes a mounting bracket 1, and further referring to fig. 5, in this embodiment, the mounting bracket 1 includes two sets of frame structures disposed oppositely, and the two sets of frame structures are fixedly connected to each other through a section bar.

The mounting bracket 1 is connected with a lifting mounting plate 6 which is transversely arranged and a lifting driving component 2 which is used for driving the lifting mounting plate 6 to move up and down. With further reference to fig. 4 and 5, in the present embodiment, the lifting driving assembly 2 includes two sets of longitudinally disposed lifting screws 2-2 rotatably connected to the mounting bracket 1, and the two sets of lifting screws 2-2 are rotatably connected to two sets of frame structures of the mounting bracket 1, respectively. The lifting driving component 2 also comprises lifting guide rods 2-3 which are fixedly connected with the two groups of frame structures of the mounting bracket 1 and are longitudinally arranged, and a linear bearing which is connected with the lifting guide rods 2-3 in a sliding way is fixedly connected with the lifting mounting plate 6.

The lifting driving component 2 also comprises a screw nut screwed on the lifting screw rod 2-2, the screw nut is fixedly connected with the lifting mounting plate 6, a lifting driving chain wheel 2-1 is connected with the end key of the lifting screw rod 2-2, the lifting driving component also comprises a lifting motor for driving the two groups of lifting driving chain wheels 2-1 to synchronously rotate, a driving chain wheel is connected with the output end key of the lifting motor, and a chain is in transmission connection between the driving chain wheel and the two groups of lifting driving chain wheels 2-1; a chain tensioning sprocket which is in transmission connection with the chain and is used for tensioning the chain is connected to the mounting bracket 1.

As shown in fig. 1, 4 and 5, in the present embodiment, a roller transmission structure is connected to the lifting mounting plate 6; the roller transmission structure comprises a roller mounting frame 3 fixedly connected with a lifting mounting plate 6, and a plurality of groups of long rollers 4 which are transversely distributed in parallel are rotatably connected on the roller mounting frame 3; and the device also comprises a motor and chain wheel transmission structure for driving the groups of long rollers 4 to synchronously rotate. The chain wheel transmission structure comprises a chain wheel transmission pair in transmission connection between two adjacent groups of long rollers 4 and also comprises a chain wheel transmission pair in transmission connection between an output shaft of the motor and one group of long rollers 4 at the end part.

As shown in fig. 1, in this embodiment, four sets of positioning assemblies 7 arranged in pairs are arranged on the conveying surface of the roller conveying structure in a penetrating manner; each group of positioning components 7 are respectively positioned between two adjacent groups of long rollers 4, and the four groups of positioning components 7 jointly act to enclose a clamping area capable of clamping and positioning the tray 9. In the embodiment, the distance between two sets of positioning components 7 oppositely arranged in the transmission direction of the roller transmission structure is not adjustable; the distance between two groups of positioning components 7 in the conveying direction perpendicular to the roller conveying structure can be adjusted.

Further referring to fig. 2, in the present embodiment, the positioning assembly 7 includes a positioning mounting frame 7-1, a rotating shaft sleeve 7-5 fixedly connected to the positioning mounting frame 7-1 is inserted through the positioning mounting frame 7-1, a shaft member rotatably connected to the rotating shaft sleeve 7-5 is inserted through the rotating shaft sleeve 7-5, and the shaft member is rotatably connected to the rotating shaft sleeve 7-5 through a rolling bearing. The top of the shaft piece is fixedly connected with an L-shaped positioning swing arm 7-4, namely the shaft piece is fixedly connected with the bent part of the positioning swing arm 7-4 through a screw. Two support legs of the positioning swing arm 7-4 are respectively and rotatably connected with a group of positioning rollers 7-2, and the positioning rollers 7-2 are positioned above the positioning swing arm 7-4.

A return spring 7-6 is connected between the support leg of the positioning swing arm 7-4 adjacent to the side wall of the roller transmission structure and the positioning mounting frame 7-1, and specifically comprises the following steps: the supporting legs of the positioning swing arms 7-4, which are adjacent to the side wall of the roller transmission structure, are connected with spring mounting pins, the inner end parts of the top surfaces of the positioning mounting frames 7-1 are connected with the spring mounting pins, and the two ends of the return springs 7-6 are respectively connected with the two groups of spring mounting pins. The positioning assembly 7 further comprises a limiting screw 7-3 connected to the positioning mounting frame 7-1 and used for limiting the positioning swing arm 7-4. As shown in figure 2, when the positioning component 7 does not clamp the tray 9, the positioning swing arm 7-4 is abutted against the limit screw 7-3 under the elastic force of the return spring 7-6.

In order to make tray 9 can carry out stable transmission on roller transmission structure, cause the interval too big after avoiding being provided with locating component 7 between two sets of adjacent long rollers 4 for tray 9 takes place the card pause in transmission process, and this embodiment is provided with short roller 5 between two sets of locating component 7 that the interval is adjustable, and in this embodiment, short roller 5 is the unpowered roller.

As shown in fig. 1, in this embodiment, in order to adjust the distance between two sets of positioning assemblies 7 that are oppositely disposed, a distance adjusting assembly 8 for adjusting the distance between two sets of positioning assemblies 7 that are oppositely disposed is connected to the lifting mounting plate 6.

With further reference to fig. 3, in this embodiment, the distance adjusting assembly 8 includes a plurality of sets of transversely disposed distance adjusting guide rails 8-5 fixedly connected to the bottom of the lifting mounting plate 6, the extending direction of the distance adjusting guide rails 8-5 is perpendicular to the transmission direction of the roller transmission structure, and the distance adjusting assembly 8 further includes two sets of distance adjusting traverse seats 8-4 slidably connected to the distance adjusting guide rails 8-5 through sliders; the four groups of positioning components 7 are respectively connected to two ends of the top surfaces of the two groups of distance-adjusting traversing seats 8-4.

The distance adjusting assembly 8 also comprises a distance adjusting mandrel 8-1 which is fixedly connected with the middle part of the lifting mounting plate 6 and is longitudinally arranged, the lower end of the distance adjusting mandrel 8-1 is rotatably connected with a distance adjusting swinging plate 8-2, and a connecting rod 8-3 is hinged between the distance adjusting transverse moving seat 8-4 and the distance adjusting swinging plate 8-2; in this embodiment, the connecting rod 8-3 is a structure with adjustable length, specifically: the connecting rod 8-3 comprises a threaded sleeve with a left-handed internal thread and a right-handed internal thread arranged at the center, rod pieces are in threaded connection with both ends of the threaded sleeve, the end parts of the rod pieces are connected with fisheye connecting pieces, and a plurality of groups of fisheye connecting pieces are respectively hinged with the correspondingly arranged distance-adjusting swing plate 8-2 or the distance-adjusting transverse moving seat 8-4.

The distance adjusting assembly 8 also comprises a distance adjusting linear drive 8-6 fixedly connected with the bottom of the lifting mounting plate 6 and used for driving the distance adjusting transverse moving seat 8-4 to move along the distance adjusting guide rail 8-5. In the embodiment, the distance-adjusting linear driver 8-6 adopts an air cylinder or an electric air cylinder, wherein the extending end of the air cylinder is connected with one of the two distance-adjusting transverse moving seats 8-4, and the cylinder barrel is fixedly connected with the lifting mounting plate 6.

The working principle is as follows: the distance-adjusting linear drive 8-6 is started to drive the two distance-adjusting transverse moving seats 8-4 to synchronously move towards or away from each other until the distance between the two adjacent groups of positioning assemblies 7 is larger than the width of the tray 9, so that the tray 9 is conveniently transmitted to a clamping area defined by the four groups of positioning assemblies 7 by the roller transmission structure, and the positioning swing arm 7-4 is abutted against the limit screw 7-3 under the elastic action of the reset spring 7-6 (as shown in figure 2). After the distances among the multiple groups of positioning assemblies 7 are adjusted, the lifting driving assembly 2 is started to drive the lifting mounting plate 6 and the roller transmission structure to longitudinally move to the position where the tray 9 is convenient to receive.

After receiving the tray 9, the roller transmission structure transmits the tray 9 to a clamping area defined by the four groups of positioning components 7; and then the linear drive 8-6 is started again, the extending end of the linear drive 8-6 retracts, and then the two groups of distance-adjusting traverse motion seats 8-4 are driven to synchronously move towards each other until the two groups of positioning rollers 7-2 in each group of positioning assemblies 7 are abutted against and in rolling contact with the side surface of the tray 9, and further stable clamping and positioning operation is achieved (as shown in figure 1).

After the clamping and positioning operation is completed, the lifting driving assembly 2 is started again to drive the lifting mounting plate 6 and the roller transmission structure to longitudinally move until the lifting mounting plate 6 drives the tray 9 to longitudinally move to a position where the stacking robot can conveniently perform stacking operation. Through the arrangement, the tray 9 can be longitudinally moved to a longitudinal position convenient for the operation of the palletizing robot, and meanwhile, the stable clamping and positioning operation can be carried out on the tray 9, so that the phenomenon that the tray on the roller transmission structure is blocked or deadly clamped with the roller transmission structure after shaking and shifting is avoided, and the efficiency of stacking operation is improved; meanwhile, the phenomenon that stacked goods fall off due to shaking of the tray is avoided, and the safety of the working process is improved.

Claims

1. The utility model provides a tray location elevating gear, characterized by: the lifting device comprises a mounting bracket (1), wherein a lifting mounting plate (6) which is transversely arranged and a lifting driving component (2) for driving the lifting mounting plate (6) to move up and down are connected to the mounting bracket (1); a roller transmission structure is connected to the lifting mounting plate (6);

four groups of positioning components (7) which are arranged in pairs in an opposite way are arranged on the transmission surface of the roller transmission structure in a penetrating way; the distance between two groups of positioning assemblies (7) which are oppositely arranged in the transmission direction of the roller transmission structure cannot be adjusted, and the distance between two groups of positioning assemblies (7) which are perpendicular to the transmission direction of the roller transmission structure can be adjusted;

a short roller (5) is arranged between the two groups of positioning components (7) with adjustable distance.

2. The pallet positioning and lifting device of claim 1, wherein: the lifting mounting plate (6) is connected with a distance adjusting component (8) used for adjusting the distance between two groups of oppositely arranged positioning components (7).

3. The pallet positioning and lifting device of claim 1, wherein: the positioning assembly (7) comprises a positioning mounting frame (7-1), a rotating shaft sleeve (7-5) fixedly connected with the positioning mounting frame (7-1) is arranged on the positioning mounting frame in a penetrating manner, a shaft piece rotatably connected with the rotating shaft sleeve (7-5) is arranged in the rotating shaft sleeve (7-5) in a penetrating manner, an L-shaped positioning swing arm (7-4) is fixedly connected to the top of the shaft piece, and a group of positioning rollers (7-2) are rotatably connected to two support legs of the positioning swing arm (7-4); a return spring (7-6) is connected between the support leg of the positioning swing arm (7-4) adjacent to the side wall of the roller transmission structure and the positioning mounting frame (7-1); the positioning swing arm device also comprises a limiting screw (7-3) which is connected with the positioning mounting frame (7-1) and used for limiting the positioning swing arm (7-4).

4. The pallet positioning and lifting device of claim 2, wherein: the distance adjusting assembly (8) comprises a plurality of groups of distance adjusting guide rails (8-5) which are transversely arranged and fixedly connected with the bottom of the lifting mounting plate (6), the extending direction of the distance adjusting guide rails (8-5) is vertical to the transmission direction of the roller transmission structure, and the distance adjusting assembly also comprises two groups of distance adjusting transverse moving seats (8-4) which are in sliding connection with the distance adjusting guide rails (8-5) through sliding blocks; a longitudinally arranged distance-adjusting mandrel (8-1) is fixedly connected to the middle part of the lifting mounting plate (6), a distance-adjusting swinging plate (8-2) is rotatably connected to the lower end of the distance-adjusting mandrel (8-1), and a connecting rod (8-3) is hinged between the distance-adjusting traversing seat (8-4) and the distance-adjusting swinging plate (8-2); and the distance adjusting linear drive (8-6) is fixedly connected with the bottom of the lifting mounting plate (6) and is used for driving the distance adjusting transverse moving seat (8-4) to move along the distance adjusting guide rail (8-5).

5. The pallet positioning and lifting device of claim 1, wherein: the lifting driving assembly (2) comprises two groups of longitudinally arranged lifting screw rods (2-2) which are rotatably connected on the mounting bracket (1), a screw nut which is screwed with the lifting screw rods (2-2) is fixedly connected on the lifting mounting plate (6), a lifting driving chain wheel (2-1) is connected with the end part key of the lifting screw rods (2-2), the lifting driving assembly also comprises a lifting motor which is used for driving the two groups of lifting driving chain wheels (2-1) to synchronously rotate, a driving chain wheel is connected with the output end key of the lifting motor, and a chain is in transmission connection between the driving chain wheel and the two groups of lifting driving chain wheels (2-1); the lifting device also comprises a lifting guide rod (2-3) which is fixedly connected with the mounting bracket (1) and is longitudinally arranged, and a linear bearing which is connected with the lifting guide rod (2-3) in a sliding way is fixedly connected with the lifting mounting plate (6).

6. The pallet positioning and lifting device according to any one of claims 1 to 5, wherein: the roller transmission structure comprises a roller mounting frame (3) fixedly connected with a lifting mounting plate (6), and a plurality of groups of long rollers (4) which are transversely distributed in parallel are rotatably connected to the roller mounting frame (3); the device also comprises a motor and a chain wheel transmission structure which are used for driving a plurality of groups of long rollers (4) to synchronously rotate.