CN112938396A

CN112938396A - Conveying system and conveying method

Info

Publication number: CN112938396A
Application number: CN202110104725.5A
Authority: CN
Inventors: 向如军; 奉华; 毛青
Original assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Current assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-06-11

Abstract

The invention relates to the field of production and processing of products, and discloses a conveying system and a conveying method, wherein the conveying system comprises a conveying device, a first conveying part connected to a first station and a plurality of second conveying parts respectively connected to a plurality of second stations with different working beats, the working beat of the first station is faster than the fastest working beat of the plurality of second stations, the conveying device comprises a conveying part (100) and a moving part (200), the conveying part is mounted on the moving part and can move along a moving direction different from the conveying direction of the conveying part through the moving part, and therefore workpieces are conveyed between the first conveying part and the second conveying part in a coordinated mode between the second conveying parts, and the first station and the second stations work according to respective beats. The whole conveying system does not need to be arranged in an annular shape, so that the occupation of a field is reduced, and the investment cost is reduced.

Description

Conveying system and conveying method

Technical Field

The invention relates to the field of production and processing of products, in particular to a conveying system and a conveying method.

Background

With the development of production automation, many industries need to convey workpieces at each station of a production line through a conveying system so as to reduce cost and balance the beat of each station. For example, the stations may be arranged along a circular path, but this requires a large space and requires a high investment cost.

Disclosure of Invention

The invention aims to overcome the problem that a conveying system in the prior art occupies a large area, and provides a conveying device which can move among different stations and can be used as a transfer bridge for transferring workpieces among the different stations.

In order to achieve the above object, the present invention provides a conveying system including a conveying device, a first conveying portion connected to a first station and a plurality of second conveying portions respectively connected to a plurality of second stations having different operation timings, the operation timing of the first station being faster than one of the plurality of second stations having the fastest operation timings, the conveying device including a conveying portion and a moving portion, the conveying portion being mounted to the moving portion so as to be movable by the moving portion in a moving direction different from a conveying direction of the conveying portion, so that a workpiece is conveyed between the first conveying portion and the second conveying portion in coordination between the second conveying portions to cause the first station and the second stations to operate at respective timings.

Optionally, the moving direction is perpendicular to the conveying direction of the conveying part.

Optionally, the conveying part includes a first frame, and the first frame is mounted to the moving part.

Optionally, the conveying part includes a first conveying mechanism and a second conveying mechanism capable of linearly conveying the workpiece in different directions, the first conveying part includes a first conveying unit and a second conveying unit corresponding to the first conveying mechanism and the second conveying mechanism, respectively, and the second conveying part includes a third conveying unit and a fourth conveying unit corresponding to the first conveying mechanism and the second conveying mechanism, respectively.

Optionally: the first conveying mechanism and the second conveying mechanism are arranged on the first rack in a stacking mode to convey workpieces linearly in opposite directions; and/or the first conveying mechanism and/or the second conveying mechanism are/is a roller bed, the roller bed comprises a first driving unit, and the first driving unit comprises a chain and a chain wheel for driving the chain.

Optionally, the moving part includes a second frame and a roller part installed on the second frame, and the conveying part is installed on the second frame.

Optionally, the roller part includes a roller, a guide wheel for guiding a moving direction of the moving part, and a second driving unit for driving the roller.

Optionally, the second driving unit includes a driving shaft, and the roller portion includes at least two rollers disposed along the driving shaft and two sets of guide wheels disposed on both sides of the driving shaft.

Optionally, the conveying device comprises a track, and the guide wheels cooperate with the track to guide movement of the moving part along the track.

Optionally, the moving part and/or the conveying part is provided with a position sensor, the second driving unit includes a driving module for driving the driving shaft and a control module for controlling the driving module, and the control module is electrically connected to the position sensor to control the driving module according to feedback of the position sensor.

The application also provides a conveying method, wherein, the conveying method is used for conveying workpieces between a first conveying part connected to a first station and a plurality of second conveying parts connected to a plurality of second stations with different working pitches, the working pitch of the first station is faster than a plurality of the fastest working pitches in the second stations, the conveying method uses a conveying device comprising a conveying part and a moving part, and the conveying method comprises the following steps: s1, moving the conveying part to the first transporting part by the moving part to convey or receive the workpiece by the conveying part; and S2, moving the conveying part to different second conveying parts through the moving part to collect or distribute the workpieces through the conveying part.

Through the technical scheme, the moving part can move between different stations in the moving direction, so that the conveying part can be used as a transfer transition to transfer workpieces between different stations, the whole conveying system is not required to be annular, the occupation of a field is reduced, and the investment cost is reduced.

Drawings

FIG. 1 is a perspective view of a delivery device according to one embodiment of the present application;

fig. 2 is a perspective view of the conveying section in fig. 1.

Description of the reference numerals

100-conveying part, 110-first conveying mechanism, 120-second conveying mechanism, 130-first frame, 140-chain, 150-chain wheel, 160-bearing seat, 170-first motor, 180-roller, 200-moving part, 210-second frame, 220-roller, 230-guide wheel, 240-driving shaft, 250-second motor, 300-track.

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

In the present invention, the use of directional terms such as "upper, lower, left, right" generally means upper, lower, left, right as viewed with reference to the accompanying drawings, unless otherwise specified; "inner and outer" refer to the inner and outer relative to the profile of the components themselves. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The application provides a conveying system, wherein, conveying system includes conveyor, connects in the first transportation portion of first station and connects respectively in a plurality of second transportation portions of a plurality of first stations of different work beats, the work beat of first station is faster than a plurality of the fastest one of work beats in the second station, conveyor includes conveying portion 100 and removal portion 200, conveying portion 100 install in removal portion 200, so as to can pass through removal portion 200 moves along the direction of movement that is different from the direction of conveyance of conveying portion 100, thereby at each work piece is carried between first transportation portion and the second transportation portion to make first station and each the second station is according to respective beat work.

Specifically, the plurality of second stations can have different production beats, the working beat of the first station is faster than the fastest working beat of the plurality of second stations, and for making full use of the working beats of the second stations, the moving portion 200 can be made to gather the workpieces between the different second stations and then transfer the workpieces to the first station or the moving portion 200 can transfer the workpieces of the first station to the different second stations respectively, so that the working beats of the second stations and the first station can be met simultaneously.

In the conveying device of the present application, the conveying portion 100 is used for conveying and switching with the first conveying portion and the second conveying portion, and the moving portion 200 drives the conveying portion 100 to move along a required direction. It will be appreciated that the transport apparatus of the present application may take various suitable forms as long as it is capable of transporting workpieces between a first transport section and a second transport section and is capable of moving between different second transport sections.

The moving direction of the moving part 200 may be set as needed, and may be a straight line or a curved line. To optimize the use of the field as much as possible, the direction of movement may be perpendicular to the conveying direction.

To facilitate the connection of the conveying part 100 and the moving part 200, the conveying part 100 may include a first frame 130, and the first frame 130 is mounted to the moving part.

Wherein the conveying part 100 may take an appropriate form, in order to further increase the work efficiency, the conveying part 100 includes a first conveying mechanism 110 and a second conveying mechanism 120 capable of linearly conveying the workpiece in different directions, the first conveying part includes a first transporting unit and a second transporting unit corresponding to the first conveying mechanism 110 and the second conveying mechanism 120, respectively, and the second conveying part includes a third transporting unit and a fourth transporting unit corresponding to the first conveying mechanism 110 and the second conveying mechanism 120, respectively. Specifically, when the moving part 200 moves to a position corresponding to the first transporting part, the first conveying mechanism 110 corresponds to the first transporting unit, and the second conveying mechanism 120 corresponds to the second transporting unit; when the moving part 200 moves to a position corresponding to the second transport part, the first conveying mechanism 110 corresponds to the third transport unit, and the second conveying mechanism 120 corresponds to the fourth transport unit. For example, when the moving part 200 moves to a position corresponding to the first transporting part, the first workpiece may be received from the first transporting unit by the first transporting mechanism 110, and simultaneously the second workpiece may be received from the second transporting unit by the second transporting mechanism 120; when the moving part 200 is moved to a position corresponding to the second transporting part, the first workpiece may be transported to the third transporting unit by the first transporting mechanism 110, and simultaneously, the second workpiece may be transported to the fourth transporting unit by the second transporting mechanism 120.

In order to further increase the space utilization, the first conveying mechanism 110 and the second conveying mechanism 120 may be stacked and the conveying directions of the two mechanisms may be opposite. Specifically, the conveying unit 100 includes a first frame 130, the first conveying mechanism 110 and the second conveying mechanism 120 are stacked on the first frame 130 to linearly convey the workpiece in opposite directions, and the first frame 130 is mounted to the moving unit 200. In this case, the first and second transport parts may be stacked with the first, second, third, and fourth transport units correspondingly.

In the present application, the first conveyance mechanism 110 and the second conveyance mechanism 120 may be in various suitable forms as long as the workpieces can be linearly conveyed. For example, the first conveying mechanism 110 and the second conveying mechanism 120 may be belt conveyors. Preferably, the first conveying mechanism 110 and/or the second conveying mechanism 120 is a roller bed including a first driving unit including a chain 140 and a sprocket 150 for driving the chain 140. Wherein the roller 180 may be mounted to the chain 140 by bearings to rotate as the chain 140 moves, the roller 180 providing a roller surface to carry the workpiece. The bearing may be mounted to the first frame 130 by a bearing mount 160.

As shown in fig. 1, in the case where the first and

second conveying mechanisms

110 and 120 are both roller beds, the sprockets 150 of the first and

second conveying mechanisms

110 and 120 may be driven by the first motor 170, respectively.

In this application, the moving unit 200 may include a second frame 210, and the conveying unit 100 may be mounted to the second frame 210, for example, the first frame 130 may be mounted to the second frame 210 by a fastener. Also, in order to implement the moving function, the moving part 200 further includes a roller part mounted to the second frame 210. Wherein the roller part may be provided in various suitable forms so as to move in the moving direction.

Preferably, as shown in fig. 2, the roller part may include a roller 220, a guide wheel 230 for guiding a moving direction of the moving part 200, and a second driving unit for driving the roller 220. Thereby, the second driving unit drives the roller 220 so that the moving portion 200 moves the conveying portion 100 while moving in the moving direction along the guide path by the guide wheel 230. Wherein, the guiding wheel 230 can be driven to roll.

In order to smoothly move the moving part 200, the second driving unit includes a driving shaft 240, and the roller part includes at least two rollers 220 disposed along the driving shaft 240 and two sets of guide wheels 230 disposed at both sides of the driving shaft 240. Specifically, the driving shaft 240 may be disposed along the length direction of the second frame 210 and centered in the width direction, the rollers 220 are uniformly distributed along the length direction of the second frame 210, two sets of guiding wheels 230 may be disposed below two long sides of the second frame 210, and each set of guiding wheels 230 corresponds to the number and the position of the rollers 220.

In addition, the conveying apparatus may include a rail 300, and the guide wheels 230 cooperate with the rail 300 to guide the movement of the moving part 200 along the rail 300. Wherein a corresponding number of tracks 300 may be provided for the number of guide wheels 230 per group. Also, the track 300 may be installed on the ground by a track beam, which may be installed on the ground by, for example, anchor bolts and adjust the levelness of the track beam by adjusting anchor screws. Further, the desired length of track 300 may be achieved by connecting a plurality of track beams, each of which may have adjustable mounting holes to ensure that the respective track beams form the desired path.

In order to facilitate control of the movement of the conveying apparatus, it is preferable that the moving part 200 and/or the conveying part 100 is provided with a position sensor, and the second driving unit includes a driving module for driving the driving shaft 240 and a control module for controlling the driving module, the control module being electrically connected with the position sensor to control the driving module according to feedback of the position sensor. For example, the position sensor may be provided on the first conveying mechanism 110, and a corresponding reflector may be provided on the corresponding first transport portion, so that when the first conveying mechanism 110 reaches a position corresponding to the first transport portion, a signal is fed back to the control module through the position sensor, and the control module may feed back a control signal according to the signal to stop the driving module, so that the rolling portion stops moving, and thus the first conveying mechanism 110 stops at the position corresponding to the first transport portion.

Wherein, the driving module may include a second motor 250, and the control module may control the start and stop of the second motor 250 according to the feedback signal of the position sensor. In addition, the control module may also control the conveying of the first conveying mechanism 110 and the second conveying mechanism 120, for example, control the start and stop of the first motor 170.

An operation of the conveying device of one embodiment of the present application to convey a workpiece between the first conveying section and the second conveying section is described below with reference to the drawings.

When the moving part 200 moves to a position corresponding to the first transporting part, the first conveying mechanism 110 and the first transporting unit can stably convey the workpiece, and the second conveying mechanism 120 and the second transporting unit can stably convey the workpiece; when the moving part 200 moves to a position corresponding to the second transporting part, the first conveying mechanism 110 and the third transporting unit can smoothly convey the workpiece, and the second conveying mechanism 120 and the fourth transporting unit can smoothly convey the workpiece. The moving part 200 is provided with a position sensor, and reflectors are provided in the first and second transport parts corresponding to the position sensor, respectively.

In use, the conveying part 100 may be first moved to a position corresponding to the first transportation part by the moving part 200, and specifically, the second motor 250 drives the driving shaft 240 to roll the roller 220, so as to move to the target position under the guiding action of the guiding wheel 230 along the rail 300. When the position sensor feeds back a signal to the control module, the control module controls the second motor 250 to stop the movement of the moving part 200, so that the first and second conveying

mechanisms

110 and 120 correspond to the first and second conveying units, respectively, to transfer the workpiece from the first and second conveying units onto the conveying roller surfaces of the first and second conveying

mechanisms

110 and 120, respectively.

After the first and second transportation units are transported, the first motor 170 may be stopped as required, and then the second motor 250 is controlled to reversely drive the driving shaft 240, so that the roller 220 drives the moving portion 200 to reversely move until the position sensor feeds back a signal to the control module, and the control module controls the second motor 250 to stop according to the feedback signal, so that the first and

second transportation mechanisms

110 and 120 correspond to the third and fourth transportation units, respectively. At this time, the first motor 170 may be controlled to be activated to transfer the workpiece from the conveying roller surfaces of the first and second conveying

mechanisms

110 and 120 to the third and fourth conveying units, respectively.

When the transfer with the third and fourth transporting units is completed, the moving part 200 may be moved again toward the first transporting part to repeat the transporting work.

The present application further provides a conveying method, wherein the conveying method is used for conveying workpieces between a first conveying part connected to a first station and a plurality of second conveying parts connected to a plurality of second stations with different working pitches, the working pitch of the first station is faster than a plurality of the fastest working pitches in the second stations, the conveying method uses a conveying device including a conveying part 100 and a moving part 200, and the conveying method includes:

s1, moving the conveying part 100 to the first transporting part by the moving part 200 to convey or receive the workpiece by the conveying part 100;

s2, moving the conveying part 100 to a different second transporting part by the moving part 200 to collect or distribute the workpieces by the conveying part 100.

Specifically, the plurality of second stations have different production beats, the working beat of the first station is faster than the fastest working beat of the plurality of second stations, and for making full use of the working beats of the second stations, the moving portion 200 can assemble the workpieces between the different second stations and then transmit the workpieces to the first station or the moving portion 200 can transmit the workpieces of the first station to the different second stations respectively, so that the working beats of the second stations and the first station are simultaneously met.

The method of the present application may be implemented using various suitable conveying devices having a moving part 200 and a conveying part 100, for example, the conveying device in the conveying system of the present application may be used.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention. The present application includes the combination of individual features in any suitable manner. The invention is not described in detail in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.

Claims

1. A conveying system is characterized by comprising a conveying device, a first conveying part connected to a first station and a plurality of second conveying parts respectively connected to a plurality of second stations with different working beats, wherein the working beat of the first station is faster than the fastest working beat of the second stations, the conveying device comprises a conveying part (100) and a moving part (200), and the conveying part (100) is mounted on the moving part (200) to be capable of moving along a moving direction different from the conveying direction of the conveying part (100) through the moving part (200) so as to convey workpieces between the first conveying part and the second conveying part in a coordinated manner between the second conveying parts, so that the first station and the second stations work according to respective beats.

2. A conveyor system according to claim 1, wherein the direction of movement is perpendicular to the conveying direction of the conveyor section (100).

3. The conveying system according to claim 1, characterized in that the conveying section (100) comprises a first frame (130), the first frame (130) being mounted to the moving section (200).

4. The conveying system according to claim 3, wherein the conveying section (100) includes a first conveying mechanism (110) and a second conveying mechanism (120) capable of linearly conveying the workpiece in different directions, the first conveying section includes a first conveying unit and a second conveying unit corresponding to the first conveying mechanism (110) and the second conveying mechanism (120), respectively, and the second conveying section includes a third conveying unit and a fourth conveying unit corresponding to the first conveying mechanism (110) and the second conveying mechanism (120), respectively.

5. The delivery system of claim 4, wherein:

the first conveying mechanism (110) and the second conveying mechanism (120) are arranged on the first rack (130) in a stacking mode to convey workpieces linearly in opposite directions; and/or the presence of a gas in the gas,

the first conveying mechanism (110) and/or the second conveying mechanism (120) is a roller bed comprising a first drive unit comprising a chain (140) and a sprocket (150) for driving the chain (140).

6. The conveying system according to any one of claims 1 to 5, wherein the moving part (200) includes a second frame (210) and a roller part mounted to the second frame (210), and the conveying part (100) is mounted to the second frame (210).

7. The conveying system according to claim 6, wherein the roller part comprises a roller (220), a guide wheel (230) for guiding a moving direction of the moving part (200), and a second driving unit for driving the roller (220).

8. A conveyor system according to claim 7, wherein the second drive unit comprises a drive shaft (240), and the roller part comprises at least two rollers (220) arranged along the drive shaft (240) and two sets of guide wheels (230) arranged on either side of the drive shaft (240).

9. The conveying system according to claim 8, wherein the conveying device comprises a track (300), and the guide wheels (230) cooperate with the track (300) to guide the movement of the moving part (200) along the track (300).

10. A conveyor system according to claim 7, characterized in that the moving part (200) and/or the conveyor part (100) is provided with a position sensor, and that the second drive unit comprises a drive module for driving the drive shaft (240) and a control module for controlling the drive module, which control module is electrically connected with the position sensor for controlling the drive module in dependence of the feedback of the position sensor.

11. A conveying method for conveying a workpiece between a first conveying section connected to a first station and a plurality of second conveying sections connected to a plurality of second stations at different takts, the takt of the first station being faster than one of the plurality of second stations, which is the fastest, using a conveying apparatus including a conveying section (100) and a moving section (200), the conveying method comprising:

s1, moving the conveying part (100) to the first conveying part through the moving part (200) to convey or receive the workpiece through the conveying part (100);

s2, moving the conveying part (100) to the different second conveying part through the moving part (200) to collect or distribute the workpieces through the conveying part (100).