CN108313694B

CN108313694B - Article handling device between production lines

Info

Publication number: CN108313694B
Application number: CN201810148375.0A
Authority: CN
Inventors: 林志熙; 周景亮; 卓正颖; 邱贞富; 肖明伟; 陈剑枰
Original assignee: Fujian University of Technology
Current assignee: Fujian University of Technology
Priority date: 2018-02-13
Filing date: 2018-02-13
Publication date: 2023-06-06
Anticipated expiration: 2038-02-13
Also published as: CN108313694A

Abstract

The invention relates to an article handling device between production lines, comprising: the lifting mechanism and the rotating mechanism are arranged on the conveying table; the upright post with a circular structure is vertically arranged at the joint part of the two conveying belts, and the conveying table is hung at the upper end of the upright post through an arc claw in the lifting mechanism and realizes lifting action through an air cylinder; the conveying table comprises a base, a supporting platform, a conveying belt, a sensor and a lifting mechanism and a rotating mechanism which are arranged on the base; the rotating mechanism comprises a finger cylinder, a bull's eye wheel, a friction wheel and a motor; the column is clamped and driven to rotate by a pair of friction wheels arranged at the two piston rod ends of the finger cylinder, so that the whole steering wheel is placed on the other conveying belt. The invention has the characteristics of unique conception, simple equipment and reliable operation; by means of the upright posts and the conveying table, the workpiece between two parallel or staggered production lines can be conveyed, and the transfer conveying of articles between production lines with larger fall can be met.

Description

Article handling device between production lines

Technical field:

the invention relates to an article carrying device between production lines, in particular to a carrying device which is used for carrying articles to another production line after lifting the articles to a certain height and rotating the articles by an angle by means of a column.

The background technology is as follows:

with the advent of the chinese industry 3.0, the automation level of china is also increasing. In the process of industrial automation development, the improvement and optimization of the object carrying mechanism play a non-negligible role. The existing conveying mechanism of the factory generally adopts a production line for conveying, and an arc is required to be arranged for conveying objects between parallel production lines, so that the defect of occupying a larger space position is overcome; and the transfer and the transportation between two production lines with fall are not easy to handle. How to design a device which can lift and rotate, reduce the space occupation and convey the articles from one production line to the other production line, namely the device is the object of the research of the invention.

The invention comprises the following steps:

the invention aims to design a conveying table which can be matched with an upright post arranged at the end part of a conveying belt, and an article carrying device between production lines for lifting and transferring articles is realized by virtue of a lifting mechanism and a rotating mechanism on the conveying table.

The technical scheme of the invention is realized as follows: an article handling device between production lines, characterized in that: comprising the following steps: the upright post is of a circular structure, the upper end of the upright post is provided with a round platform, and the upright post is erected at the junction of the two conveying belts;

the conveying table comprises a base, a supporting platform, a conveying belt and a sensor; the conveyor belt is a pair of synchronous belts arranged on the supporting platform, the distance between the synchronous belts is smaller than the width of a workpiece plate for carrying articles, and the workpiece plate is driven by the synchronous motor to be connected into or sent out; the two sensors are arranged on the supporting platform and correspond to the two ends of the conveying belt, detect the in-out signals of the workpiece plate and control the action of the synchronous motor; the supporting platform is locked on the base through a sheet metal part, and the base is provided with a lifting mechanism and a rotating mechanism which are matched with the upright post;

the lifting mechanism comprises a sliding rail, an air cylinder and an arc claw, and the sliding rail and the upright post are vertically locked on the base in parallel; the cylinder body of the cylinder is locked on the base, the end part of the piston is locked with an arc claw, one side of the arc claw is provided with a sliding block, and the sliding block is pivoted on the sliding rail in a sliding way; the circular arc claw is hung on the round table of the upright post, and the cylinder can drive the base to move up and down;

the rotating mechanism comprises a finger cylinder, a bull's eye wheel, a friction wheel and a motor; the finger cylinder is locked at the end part of the base, and the piston rods at the two ends are respectively locked with a tensioning plate; the motor is locked on the tensioning plate, the friction wheels are locked at the end part of an output shaft of the motor, and the two friction wheels are symmetrically arranged and can be clamped on the upright post under the driving of the finger cylinder; the bull's eye wheel is arranged on the end surface of the base, can be abutted against the surface of the upright post, and forms a multi-point support with the two friction wheels.

The circular arc claw is provided with a fixed frame and a pair of horizontal claw arms, is fixed with the end part of a piston of the air cylinder by virtue of the fixed frame, and is locked with a sliding block; the horizontal claw arms are suspended and locked on the fixed frame, the end parts of the pair of horizontal claw arms form a circular arc structure which is enclosed, and the circular arc structure is matched with the round table on the upright post and can be lapped on the round table; the bottom surface of the horizontal claw arm is provided with an embedded groove, and balls are densely arranged in the embedded groove and are contacted with the surface of the round platform by virtue of the balls.

The supporting platform is corresponding to the two ends of the conveying belt, blocking devices are further arranged at the two ends of the conveying belt, each blocking device comprises a blocking cylinder and a rocker, rubber wheels are arranged at the ends of the rocker, and the rubber wheels are abutted against the ends of the workpiece plates.

The number of the bull's eye wheels is two, and the bull's eye wheels and the two friction wheels are symmetrically distributed on the same mirror reference plane.

The cylinder is a multistage cylinder formed by more than two cylinders in series connection, wherein the cylinder body of the bottom cylinder is locked on the base, the piston end part of the top cylinder is locked with an arc claw, adjacent cylinders are connected through a bridging plate, sliding blocks are arranged on the arc claw and the bridging plate, and the sliding blocks are pivoted on corresponding tracks.

The invention has the characteristics of unique conception, simple equipment and reliable operation; by means of the upright posts and the conveying table, the workpiece between two parallel or staggered production lines can be conveyed, and the transfer conveying of articles between production lines with larger fall can be met. The defect that the arc of turning between traditional parallel production lines occupies large area is overcome, the device is also suitable for the fields of transportation, storage and the like of articles to be conveyed in a reversing, lifting or descending mode, and the device provides convenience for rapidly establishing a conveying scheme on site.

Description of the drawings:

the invention is further described with reference to the following specific drawings:

FIG. 1 is a schematic view showing a state of use of an inter-production line article transporting apparatus

FIG. 2 is a schematic view of an apparatus for transporting articles between production lines

FIG. 3 is an elevation exploded view of the handling device

Wherein the method comprises the steps of

1-upright post 11-round platform 2-conveying platform 21-base

22-support platform 23-conveyor belt 24-sensor 25-synchronous motor

26-blocking device 261-blocking cylinder 262-rocker 263-rubber wheel

3-lifting mechanism 31-sliding rail 32-cylinder 33-arc claw

331-fixed frame 332-horizontal claw arm 333-circular arc structure 334-caulking groove

335-ball 34-slider 35-bridge 4-rotation mechanism

41-finger cylinder 42-bull's eye wheel 43-friction wheel 44-motor

45-tensioning plate 5-conveying belt 6-workpiece plate

The specific embodiment is as follows:

referring to fig. 1 to 3, an inter-production line article carrying apparatus includes: the lifting mechanism comprises a column 1, a conveying table 2, a lifting mechanism 3 and a rotating mechanism 4. Wherein:

the upright post 1 is of a circular structure, the upper end of the upright post is provided with a round table 11, and the upright post is erected between two conveying belts 5 to be transferred; the two conveying belts 5 can be in a parallel structure as in the figure, or can have any included angle, or can be arranged between the two conveying belts 5 with fall, so that the transfer of objects is completed.

A conveying table 2 comprising a base 21, a supporting platform 22, a conveying belt 23 and a sensor 24; the conveyor belt 23 is a pair of synchronous belts arranged on the supporting platform 22, the distance between the synchronous belts is smaller than the width of the workpiece plate 6 for carrying articles, and the synchronous belts are driven by the synchronous motor 25, are connected into the conveyor belt 5, and then send out the workpiece plate 6 and the articles carried by the workpiece plate; two sensors 24 are arranged on the supporting platform 22 and correspond to the two inlet and outlet ends of the conveying belt 5, and are used for detecting the inlet and outlet signals of the workpiece plate 6 and controlling the action of the synchronous motor 25; further, the supporting platform 22 is further provided with a blocking device 26 at two ends corresponding to the inlet and outlet ends of the conveyor belt, the blocking device 26 is composed of a blocking cylinder 261 and a rocker 262, a rubber wheel 263 is arranged at the end of the rocker 262, the end of the workpiece plate 6 is abutted against the rubber wheel 263, the blocking device is used as a limiting function for conveying the workpiece plate 6 in place, and the blocking device can be prevented from being separated from the conveyor belt 23 due to inertia during rotation. The blocking of the actuation of the cylinder 261 is based on the information obtained by the sensor 24.

The supporting platform 22 is locked on the base 21 through a sheet metal part, and the base 21 is provided with a lifting mechanism 3 and a rotating mechanism 4 which are matched with the upright post 1.

The lifting mechanism 3 comprises a sliding rail 31, an air cylinder 32 and an arc claw 33, and the sliding rail 31 and the upright column 1 are vertically locked on the base 21 in parallel; the cylinder body of the cylinder 32 is locked on the base 21, the end part of the piston is locked with an inherent arc claw 33, one side of the arc claw 33 is provided with a sliding block 34, and the sliding block 34 is pivoted on the sliding rail 31 in a sliding way; the circular arc claw 33 is hung on the round table 11 of the upright post, and the lifting operation of the base 21 can be driven by the cylinder 32. Considering that the article is transferred between two conveyor belts 5 with larger drop, the air cylinder 32 may be a multi-stage air cylinder, such as two air cylinders connected in series. The concrete structure is as follows: the cylinder is the multistage cylinder that the concatenation formed more than two, and wherein the cylinder body lock of bottom cylinder is on base 21, and the piston tip lock of top cylinder has circular arc claw 33, and adjacent cylinder 32 links up through bridging board 35, all is provided with slider 34 on circular arc claw 33 and bridging board 35, and the pivot is established on corresponding slide rail 31, is provided with two tracks 31 promptly, satisfies multistage cylinder lifting force's balance.

Further, the circular arc claw 33 has a fixing frame 331 and a pair of horizontal claw arms 332, and is fixed to the piston end of the cylinder 32 via the fixing frame 331, and a slider 34 is locked to the fixing frame 331; the horizontal claw arms 332 are suspended and locked on the fixed frame 331, the end parts of the pair of horizontal claw arms 332 form a circular arc structure 333 which is enclosed, and the circular arc structure 333 is matched with the round table 11 on the upright post and can be lapped on the round table 11; the bottom surface of the horizontal claw arm 332 is provided with a caulking groove 334, balls 335 are densely arranged in the caulking groove 334, and the horizontal claw arm is freely rotated by means of the contact between the balls 335 and the surface of the round table 11, and an end face bearing can be directly used for replacing the horizontal claw arm.

A rotation mechanism 4 including a finger cylinder 41, a bullseye wheel 42, a friction wheel 43, and a motor 44; the finger cylinder 41 is locked at the end part of the base 21, and the piston rods at the two ends are respectively locked with a tensioning plate 45; the motor 44 is locked on the tensioning plate 45, the friction wheels 43 are locked at the end part of the output shaft of the motor 44, and the two friction wheels 43 are symmetrically arranged and can be clamped on the upright post 1 under the driving of the finger cylinder 41; the bull's eye wheel 42 is arranged on the end surface of the base 21, can be abutted against the surface of the upright 1, forms a multi-point support with the two friction wheels 43, and stably holds the upright. In practice, the number of the bull's eye wheels 43 is two, and the bull's eye wheels and the two friction wheels 43 are symmetrically distributed on the same mirror reference plane, so as to achieve the purpose of centering. Further, the pair of massage wheels 43 and the pair of bull's eye wheels 42 cooperate with each other by the driving of the finger cylinder 41, and the upright 1 is held, so that the transfer table 2 is prevented from shaking when the workpiece plate 6 is transferred, and the alignment of the conveyor belt 23 and the conveyor belt 5 is prevented from being affected.

Principle of work piece:

the carrying device is arranged between two conveying belts 5, and the two conveying belts 5 can be parallel, staggered and fall; the upright 1 is vertically fixed at a design position between two conveying belts 5, the conveying table 2 is installed, the butt joint angles of the conveying belts 23 and the two conveying belts 5 are adjusted, and the drop distances which can be in the same plane are collected. The operation steps are as follows:

1. when the conveyor belt 23 on the conveyor table 2 is aligned with the feeding conveyor belt 5 and the conveyor belt 5 pushes the articles placed on the workpiece plate 6 to the joint of the conveyor belt 23, the sensor 24 at the inlet end collects signals, the synchronous motor 25 and the blocking cylinder 261 at the outlet end are started, the conveyor belt 23 is driven to work, and the workpiece plate 6 is received; the workpiece plate 6 is conveyed in place, the outlet end sensor 24 obtains signals, the synchronous motor 25 stops working, the blocking cylinder 261 at the inlet end acts, and the workpiece plate 6 is locked;

2. the finger cylinder 41 in the rotating mechanism 4 is started, the upright 1 is clamped by the pair of friction wheels 43, the motor 44 is started again, the pair of friction wheels 43 rotate in the same direction, the counter force couple enables the carrying device to rotate around the upright, and the motor 44 stops when the carrying device rotates to be right above or right below the discharging conveying belt 5; the air cylinders 32 act to extend or retract according to the instruction, namely to descend or lift the articles, when the articles are aligned with the discharging conveyor belt 5, the retraction of the two blocking air cylinders 261 is released from the limit, the synchronous motor 25 is started again, and the workpiece plate 6 is conveyed to the conveyor belt 5;

3. after the transmission is finished, the sensor 24 at the outlet end detects a signal, and the synchronous motor 25 stops; the second step is repeated in reverse, and the transfer table 2 is rotated to the side of the feeding conveyor 5 to wait for transferring the article again.

Claims

1. An article handling device between production lines, characterized in that: comprising the following steps:

the upright post is of a circular structure, the upper end of the upright post is provided with a round platform, and the upright post is erected at the junction of the two conveying belts;

the conveying table comprises a base, a supporting platform, a conveying belt and a sensor; the conveyor belt is a pair of synchronous belts arranged on the supporting platform, the distance between the synchronous belts is smaller than the width of a workpiece plate for carrying articles, and the workpiece plate is driven by the synchronous motor to be connected into or sent out; the two sensors are arranged on the supporting platform and correspond to the two ends of the conveying belt, detect the in-out signals of the workpiece plate and control the action of the synchronous motor; the supporting platform is also provided with a blocking device corresponding to the two inlet and outlet ends of the conveyor belt, the blocking device consists of a blocking cylinder and a rocker, the end part of the rocker is provided with a rubber wheel, and the rubber wheel is abutted against the end part of the workpiece plate; the supporting platform is locked on the base through a sheet metal part, and the base is provided with a lifting mechanism and a rotating mechanism which are matched with the upright post;

the lifting mechanism comprises a sliding rail, an air cylinder and an arc claw, and the sliding rail and the upright post are vertically locked on the base in parallel; the cylinder body of the cylinder is locked on the base, the end part of the piston is locked with an arc claw, one side of the arc claw is provided with a sliding block, and the sliding block is pivoted on the sliding rail in a sliding way; the circular arc claw is hung on the round table of the upright post, the cylinder can drive the base to move up and down, and the circular arc claw is provided with a fixed frame and a pair of horizontal claw arms, is fixed with the end part of the piston of the cylinder by virtue of the fixed frame and is locked with a sliding block; the horizontal claw arms are suspended and locked on the fixed frame, the end parts of the pair of horizontal claw arms form a circular arc structure which is enclosed, and the circular arc structure is matched with the round table on the upright post and can be lapped on the round table; the bottom surface of the horizontal claw arm is provided with an embedded groove, balls are densely arranged in the embedded groove, and the balls are contacted with the surface of the round platform by virtue of the balls;

the rotating mechanism comprises a finger cylinder, a bull's eye wheel, a friction wheel and a motor; the finger cylinder is locked at the end part of the base, and the piston rods at the two ends are respectively locked with a tensioning plate; the motor is locked on the tensioning plate, the friction wheels are locked at the end part of an output shaft of the motor, and the two friction wheels are symmetrically arranged and can be clamped on the upright post under the driving of the finger cylinder; the bull's eye wheels are two and set up on the base terminal surface, can conflict on the stand surface, with two friction wheels same mirror direction datum plane symmetric distribution, form the multiple spot support.

2. An inter-line article handling device according to claim 1, wherein: the cylinder is a multistage cylinder formed by more than two cylinders in series connection, wherein the cylinder body of the bottom cylinder is locked on the base, the piston end part of the top cylinder is locked with an arc claw, the adjacent cylinders are connected through a bridging plate, sliding blocks are arranged on the arc claw and the bridging plate, and the sliding blocks are pivoted on corresponding tracks.