CN210847256U

CN210847256U - Intelligence jujube class sorting machine

Info

Publication number: CN210847256U
Application number: CN201921901299.2U
Authority: CN
Inventors: 王刘芳
Original assignee: Kunshan Jyj Automation Technology Co ltd
Current assignee: Kunshan Jyj Automation Technology Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-06-26
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses an intelligence jujube class sorting machine, which comprises a frame, install the profile modeling tow boat sequencing transport mechanism that the multichannel set up side by side in the frame, the blanking conveyer belt is installed to the anterior below of profile modeling tow boat sequencing transport mechanism, and the ejection of compact conveyer belt that the multichannel set up side by side is installed to the below at its rear portion, profile modeling tow boat sequencing transport mechanism's top is provided with visual inspection system and sorting mechanism along direction of transfer one side, sorting mechanism is located directly over ejection of compact conveyer belt, wiper mechanism is installed to profile modeling tow boat sequencing transport mechanism's bottom. The utility model discloses can sort order the conveying to single red date, effectively prevent the friction problem of red date, avoid damaging the red date, can select separately one by one to the jujube class of different masses simultaneously and collect again, need not artifical secondary and select separately, improve separation efficiency, reduce the human cost to whole integrated design, compact structure adopts automated control, has realized automated production.

Description

Intelligence jujube class sorting machine

Technical Field

The utility model relates to a select separately machinery, concretely relates to intelligence jujube class sorting machine.

Background

In the prior art, equipment for sorting the jujubes is generally a vibrating screen type sorting machine, sorting is performed by utilizing the diameter of the red jujubes, small red jujubes fall down first in the conveying process, large red jujubes are conveyed forwards continuously, and sorting is performed in a first-level and first-level mode.

SUMMERY OF THE UTILITY MODEL

In view of the above prior art's shortcoming, the utility model aims to provide an intelligence jujube class sorting machine for solve among the prior art jujube class letter sorting equipment and can only select separately according to the red date diameter, the red date quality that leads to sorting out is uneven, still needs the manual work to carry out the secondary and selects separately, and it is serious to pile up the problem to select separately in-process red date, damages the problem of red date because of the friction easily.

In order to achieve the purposes and other related purposes, the utility model provides an intelligent jujube sorting machine, which comprises a frame, a plurality of profiling tug sorting and conveying mechanisms arranged side by side are installed in the frame, a blanking conveying belt is installed below the front part of the profiling tug sorting and conveying mechanism, a plurality of discharging conveying belts arranged side by side are installed below the rear part of the profiling tug sorting and conveying mechanism, a visual detection system and a sorting mechanism are sequentially arranged above the profiling tug sorting and conveying mechanism along the conveying direction, the sorting mechanism is positioned right above the discharging conveying belt, and a cleaning mechanism is installed at the bottom of the profiling tug sorting and conveying mechanism;

the hopper is installed at the front end of profile modeling tow boat sequencing transport mechanism in the frame, the clout conveyer belt is installed to the afterbody of profile modeling tow boat sequencing transport mechanism in the frame, the feed back conveyer belt is installed to the outer one side of frame, the one end of feed back conveyer belt with the hopper is connected, its other end with the clout conveyer belt is connected, install the reciprocal feeding mechanism of cam between profile modeling tow boat sequencing transport mechanism's front end and the frame, the reciprocal feeding mechanism of cam is located under the hopper.

Preferably, the profiling tug sequencing and conveying mechanism consists of a transmission assembly, a conveying chain, a profiling tug, a separation brush assembly and a tug brush assembly, the profiling tug is installed between the conveying chains on two sides and is driven by the transmission assembly to convey, the separation brush assembly is installed above the front profiling tug, and the tug brush assembly is fixedly installed at the bottom of the upper profiling tug.

Preferably, the vision detection system comprises vision camera and snoot, the upper end of vision camera is fixed on the fixed plate, the snoot is installed on the mounting panel, it is fixed to be connected between fixed plate and the mounting panel, the camera end of vision camera stretches into in the snoot, the inside of snoot is equipped with internal light source.

Preferably, sorting mechanism comprises guard shield, separation air-blowing board and fixed profile, the guard shield sets up perpendicularly in profiling tow boat sequencing transport mechanism's top side by side, it sets up perpendicularly in the guard shield and corresponding with every profiling tow boat sequencing transport mechanism to select separately air-blowing board, one side of selecting separately air-blowing board is equipped with the hole of blowing corresponding with every ejection of compact conveyer belt, every the top at guard shield both ends all is connected fixedly through guard shield connecting piece and frame, every select separately air-blowing board's both ends all through air-blowing board connecting piece with fixed profile is connected fixedly.

Preferably, wiper mechanism comprises jacking cylinder, support, brush board, the both ends of support all through the connecting rod with the output of jacking cylinder is connected, install equidistantly on the support the brush board, every all be equipped with the brush on the terminal surface of brush board.

Preferably, the reciprocal feeding mechanism of cam includes that camshaft, cam, connecting screw and swing plate constitute, the camshaft suit is in the bearing frame, bearing frame and frame fixed connection, the middle part cover of camshaft is equipped with drive sprocket, the tip at the camshaft is installed to the cam, the cam pass through joint bearing with connecting screw's one end is connected, connecting screw's the other end articulates on articulated seat, articulated seat fixed mounting be in on the swing plate, the top edge of swing plate passes through the hinge and articulates on the mounting, mounting and frame fixed connection.

Preferably, the blanking conveyer belt is horizontally arranged, the two sides of the blanking conveyer belt are respectively provided with a long material guide plate and a short material guide plate along the conveying direction in an inclined manner, and one end of the blanking conveyer belt is provided with a blanking baffle.

Preferably, the discharging direction of the discharging conveying belt is perpendicular to the conveying direction of the profiling tug sequencing conveying mechanism above the discharging conveying belt.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) by arranging the profiling tug sequencing and conveying mechanism, single red dates can be sequenced and conveyed, conveying is smooth, sequencing speed is high, the single red dates are erected between two adjacent profiling tugs, the red dates are prevented from being stacked, the problem of friction of the red dates is effectively prevented, and the red dates are prevented from being damaged;

(2) by arranging the visual detection system, different jujube types such as rotten jujube, cracked jujube, bird pecked jujube, color difference jujube and the like can be rapidly and accurately distinguished, the jujube types with different qualities can be sorted one by one and then collected by matching with the sorting mechanism, the automation degree of the sorting process is high, manual secondary sorting is not needed, the sorting efficiency is improved, and the labor cost is reduced;

(3) the utility model has the advantages that the whole integrated design is realized, other devices are not required to be connected in a matching way, the processes of feeding, detecting, distributing, discharging, returning and the like can be realized on one machine, the structure is compact, the occupied space is small, and the integration level is high;

(4) the utility model discloses mechanical structure is simple, and the fault rate is low, easy to maintain, and the maintenance cost is lower, adopts automated control simultaneously, has realized automated production.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic view of a three-dimensional structure of an intelligent jujube sorting machine provided by the utility model;

fig. 2 is a schematic side view of the intelligent jujube sorting machine provided by the present invention;

FIG. 3 is a schematic structural view of a profiling tug sequencing and conveying mechanism of the present invention;

fig. 4 is a schematic structural view of the blanking conveyer belt of the present invention;

fig. 5 is a schematic structural diagram of the middle vision inspection system of the present invention;

fig. 6 is a schematic view of the overall structure of the sorting mechanism of the present invention;

fig. 7 is a schematic front structural view of the sorting mechanism of the present invention;

FIG. 8 is a schematic structural view of a cleaning mechanism of the present invention;

fig. 9 is a schematic structural view of the middle cam reciprocating feeding mechanism of the present invention.

Wherein the reference numerals are specified as follows: the device comprises a rack 1, a profiling tug sequencing and conveying mechanism 2, a transmission assembly 2-1, a conveying chain 2-2, a profiling tug 2-3, a separation brush assembly 2-4, a tug brush assembly 2-5, a blanking conveying belt 3, a long material guide plate 3-1, a short material guide plate 3-2, a blanking baffle plate 3-3, a discharging conveying belt 4, a visual detection system 5, a visual camera 5-1, a light-gathering cover 5-2, a fixing plate 5-3, an installation plate 5-4, a sorting mechanism 6, a shield 6-1, a sorting air blowing plate 6-2, a fixing profile 6-3, an air blowing hole 6-4, a shield connecting piece 6-5, an air blowing plate connecting piece 6-6, a cleaning mechanism 7, a jacking cylinder 7-1, a support 7-2, a hairbrush plate 7-3, a lifting cylinder 7-1, The device comprises a connecting rod 7-4, a brush 7-5, a hopper 8, a surplus material conveying belt 9, a return material conveying belt 10, a cam reciprocating feeding mechanism 11, a cam shaft 11-1, a bearing seat 11-2, a transmission chain wheel 11-3, a cam 11-4, a joint bearing 11-5, a connecting screw rod 11-6, a hinged seat 11-7, a swinging plate 11-8 and a fixing piece 11-9.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention does not have the essential significance in the technology, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope of the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

As shown in figure 1 and figure 2, the utility model provides an intelligence jujube class sorting machine, including frame 1, frame 1 adopts high-quality shaped steel welded structure, and the sound construction has guaranteed the stability of complete machine, and 1 bottom of frame adopts the fortune horse truckle simultaneously, can make whole platform machine conveniently remove, and the fortune horse truckle area brake and adjustment foot cup can make the machine fixed. Install the profiling tow boat sequencing transport mechanism 2 that the multichannel set up side by side in the frame 1, blanking conveyer belt 3 is installed to the anterior below of profiling tow boat sequencing transport mechanism 2, ejection of compact conveyer belt 4 that the multichannel set up side by side is installed to the below at its rear portion, ejection of compact conveyer belt 4's ejection of compact direction and the profiling tow boat sequencing transport mechanism 2's of top direction mutually perpendicular, can adjust the quantity of profiling tow boat sequencing transport mechanism 2 and ejection of compact conveyer belt 4 in order to match different places and adapt to the sorting needs that do not use the product in a flexible way, strong adaptability. The visual detection system 5 and the sorting mechanism 6 are sequentially arranged above the profiling tug sorting and conveying mechanism 2 along the conveying direction, the sorting mechanism 6 is positioned right above the discharging conveying belt 4, and the cleaning mechanism 7 is arranged at the bottom of the profiling tug sorting and conveying mechanism 2.

Hopper 8 is installed at the front end of profile modeling tow boat sequencing transport mechanism 2 on frame 1, and hopper 8 adopts stainless steel panel beating welded structure for storage and water conservancy diversion red date. The automatic red date sorting and conveying device is characterized in that a residual material conveying belt 9 is mounted at the tail part of the profiling tug sorting and conveying mechanism 2 in the rack 1, a return material conveying belt 10 is mounted on one side outside the rack 1, one end of the return material conveying belt 10 is connected with a hopper 8, the other end of the return material conveying belt is connected with the residual material conveying belt 9, and the residual material conveying belt 9 is used for collecting red dates which are not sorted and returning the red dates to the hopper 8 through the return material conveying belt. A cam reciprocating feeding mechanism 11 is arranged between the front end of the profiling tug sequencing and conveying mechanism 2 and the frame 1, and the cam reciprocating feeding mechanism 11 is positioned under the hopper 8.

As shown in figure 3, the profiling tug sequencing and conveying mechanism 2 consists of a transmission assembly 2-1, a conveying chain 2-2, a profiling tug 2-3, a separation brush assembly 2-4 and a tug brush assembly 2-5, wherein the profiling tug 2-3 is arranged between the conveying chains 2-2 on two sides and is driven by the transmission assembly 2-1 to convey, the separation brush assembly 2-4 is arranged above the front profiling tug 2-3, and the tug brush assembly 2-5 is fixedly arranged at the bottom of the upper profiling tug 2-3.

Through the technical scheme, the conveying motor in the transmission assembly 2-1 drives the conveying chain 2-2 to run through the driving chain wheel and the driven chain wheel, the profiling tow wheels 2-3 between the conveying chain 2-2 integrally run forwards along with the advancing of the chain, and meanwhile, the profiling tow wheels 2-3 autorotate under the friction force of the tow wheel brush assemblies 2-5 at the bottom, so that red dates can more easily fall between the profiling tow wheels 2-3, and meanwhile, the redundant red dates can be separated from the profiling tow wheels 2-3 by separating the brush assemblies 2-4, the sequencing of the red dates is more uniform, and finally, only one red date is arranged between the two profiling tow wheels 2-3.

As shown in FIG. 5, the vision inspection system 5 comprises a vision camera 5-1 and a light-gathering cover 5-2, the upper end of the vision camera 5-1 is fixed on a fixing plate 5-3, the light-gathering cover 5-2 is installed on an installation plate 5-4, the fixing plate 5-3 is fixedly connected with the installation plate 5-4, the camera end of the vision camera 5-1 extends into the light-gathering cover 5-2, and an internal light source is arranged inside the light-gathering cover 5-2. The vision camera 5-1 adopts a high-resolution CCD camera and is connected with an image analysis processing system of a background, so that the size, the shape, the color, the integrity and the like of the red dates can be rapidly and accurately judged.

As shown in the figures 6 and 7, the sorting mechanism 6 consists of a protective cover 6-1, a sorting air blowing plate 6-2 and a fixed section bar 6-3, the protective cover 6-1 is vertically arranged above the profiling tug sorting and conveying mechanism 2 side by side, the sorting air blowing plate 6-2 is vertically arranged in the protective cover 6-1 and corresponds to each profiling tug sorting and conveying mechanism 2, one side of the sorting air blowing plate 6-2 is provided with an air blowing hole 6-4 corresponding to each discharging and conveying belt 4, the upper parts of two ends of each protective cover 6-1 are connected and fixed with the machine frame 1 through protective cover connecting pieces 6-5, and two ends of each sorting air blowing plate 6-2 are connected and fixed with the fixed section bar 6-3 through air blowing plate connecting pieces 6-6.

Through the technical scheme, the sorting air blowing plate 6-2 is connected with compressed air through a high-speed electromagnetic valve, and different red dates can be blown off from the profiling tug sequencing and conveying mechanism 2 at corresponding positions through the air blowing holes 6-4 in cooperation with the detection result of the vision detection system 5 and respectively fall into different discharging conveying belts 4 under the blocking of the protective cover 6-1.

As shown in figure 8, the cleaning mechanism 7 is composed of a jacking cylinder 7-1, a support 7-2 and brush plates 7-3, two ends of the support 7-2 are connected with the output end of the jacking cylinder 7-1 through connecting rods 7-4, the brush plates 7-3 are installed on the support 7-2 at equal intervals, and brushes 7-5 are arranged on the end face of each brush plate 7-3. The profiling riding wheel 2-3 can be adhered with some dirt after conveying red dates, the jacking cylinder 7-1 rises at intervals, the profiling riding wheel 2-3 can be rubbed by the brush 7-5 when passing through the brush plate 7-3, and the dirt can be washed off by matching with water flow at the moment, so that the profiling riding wheel 2-3 is ensured to be clean and enters the next sorting cycle.

As shown in fig. 9, the cam reciprocating feeding mechanism 11 includes a cam shaft 11-1, a cam 11-4, the connecting screw rod 11-6 and the swinging plate 11-8 are formed, a cam shaft 11-1 is sleeved in a bearing seat 11-2, the bearing seat 11-2 is fixedly connected with a rack 1, a transmission chain wheel 11-3 is sleeved in the middle of the cam shaft 11-1, a cam 11-4 is installed at the end part of the cam shaft 11-1, the cam 11-4 is connected with one end of the connecting screw rod 11-6 through a joint bearing 11-5, the other end of the connecting screw rod 11-6 is hinged on a hinged seat 11-7, the hinged seat 11-7 is fixedly installed on the swinging plate 11-8, the upper edge of the swinging plate 11-8 is hinged on a fixing part 11-9 through a hinge, and the fixing part 11-9 is fixedly connected with the rack.

Through the technical scheme, the transmission chain wheel 11-3 is in transmission connection with one driven chain wheel shaft of the transmission assembly 2-1 through a chain, when the transmission assembly 2-1 starts to operate, the transmission chain wheel 11-3 is driven to rotate, so that the cam shaft 11-1 and the cam 11-4 are driven to rotate, the oscillating plate 11-8 is pushed to oscillate back and forth along with the cam 11-4 in a reciprocating mode at the moment, and therefore the accumulated red dates are pushed to spread out flatly, and sorting of the red dates is facilitated.

As shown in FIG. 4, the blanking conveyer belt 3 is horizontally arranged, a long material guide plate 3-1 and a short material guide plate 3-2 are obliquely arranged side by side on both sides of the blanking conveyer belt 3 along the conveying direction, respectively, a blanking baffle plate 3-3 is installed at one end of the blanking conveyer belt 3, and the blanking conveyer belt 3 is used for collecting red dates falling through gaps during feeding and before sorting.

The working principle and the process are as follows: the conveying motor in the transmission assembly 2-1 can drive the conveying chain 2-2 to run through the driving chain wheel and the driven chain wheel, the profiling tow wheel 2-3 can convey forwards along with the conveying chain 2-2, the separation brush assembly 2-4 is matched with the tow wheel brush assembly 2-5 to sort the accumulated red dates individually, when the red dates on the conveying line pass through the visual detection system 5, the visual detection system can quickly and accurately judge the types of the red dates, and then the sorting mechanism 6 blows the different red dates down onto the corresponding discharging conveying belt 4 through the air blowing holes 6-4 to collect the red dates. The red dates and sundries which are leaked from the conveying line before sorting (most of the red dates and sundries which are out of specification) are collected through the blanking conveying line 3, so that the cleanness of the whole production line is kept, manual work is reduced, and the production continuity is kept; and a few red dates which are not sorted are continuously conveyed forwards, fall onto the excess material conveying belt 9, are conveyed to the return material conveying belt 10, and are returned to the hopper 8 through the return material conveying belt 10. When the profiling riding wheel sequencing and conveying mechanism 2 is conveyed to the lower return section along with the conveying line, the cleaning mechanism 7 cleans the profiling riding wheels 2-3.

To sum up, the utility model discloses can sort order the conveying to single red date, effectively prevent the friction problem of red date, avoid damaging the red date, can sort one by one to the jujube class of different masses simultaneously and collect again, need not artifical secondary and select separately, improve separation efficiency, reduce the human cost to whole integrated design, compact structure adopts automated control, has realized automated production. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The intelligent jujube sorting machine is characterized by comprising a rack (1), wherein a plurality of profiling tug sorting and conveying mechanisms (2) arranged side by side are installed in the rack (1), blanking conveying belts (3) are installed below the front parts of the profiling tug sorting and conveying mechanisms (2), a plurality of discharging conveying belts (4) arranged side by side are installed below the rear parts of the profiling tug sorting and conveying mechanisms (2), a visual detection system (5) and a sorting mechanism (6) are sequentially arranged above the profiling tug sorting and conveying mechanisms (2) along the conveying direction, the sorting mechanism (6) is positioned right above the discharging conveying belts (4), and a cleaning mechanism (7) is installed at the bottoms of the profiling tug sorting and conveying mechanisms (2);

hopper (8) are installed at the front end of profile modeling tow boat sequencing transport mechanism (2) on frame (1), clout conveyer belt (9) are installed to the afterbody of profile modeling tow boat sequencing transport mechanism (2) in frame (1), feed back conveyer belt (10) are installed to the outer one side of frame (1), the one end of feed back conveyer belt (10) with hopper (8) are connected, its other end with clout conveyer belt (9) are connected, install reciprocal feeding mechanism of cam (11) between the front end of profile modeling tow boat sequencing transport mechanism (2) and frame (1), reciprocal feeding mechanism of cam (11) are located under hopper (8).

2. The intelligent jujube sorting machine according to claim 1, wherein: the profiling tug sequencing and conveying mechanism (2) comprises a transmission assembly (2-1), conveying chains (2-2), profiling tugs (2-3), separating brush assemblies (2-4) and tug brush assemblies (2-5), wherein the profiling tugs (2-3) are arranged between the conveying chains (2-2) on the two sides and are driven by the transmission assembly (2-1) to convey, the separating brush assemblies (2-4) are arranged above the front profiling tug (2-3), and the tug brush assemblies (2-5) are fixedly arranged at the bottom of the upper profiling tug (2-3).

3. The intelligent jujube sorting machine according to claim 1, wherein: the visual detection system (5) comprises a visual camera (5-1) and a light-gathering cover (5-2), the upper end of the visual camera (5-1) is fixed on a fixing plate (5-3), the light-gathering cover (5-2) is installed on an installation plate (5-4), the fixing plate (5-3) and the installation plate (5-4) are fixedly connected, the camera end of the visual camera (5-1) extends into the light-gathering cover (5-2), and an internal light source is arranged inside the light-gathering cover (5-2).

4. The intelligent jujube sorting machine according to claim 1, wherein: the sorting mechanism (6) consists of a protective cover (6-1), a sorting air blowing plate (6-2) and a fixed section bar (6-3), the protective covers (6-1) are vertically arranged above the profiling tug sequencing and conveying mechanism (2) side by side, the sorting air blowing plate (6-2) is vertically arranged in the shield (6-1) and corresponds to each profiling tug sequencing and conveying mechanism (2), one side of the sorting air blowing plate (6-2) is provided with air blowing holes (6-4) corresponding to each discharging conveying belt (4), the upper parts of the two ends of each shield (6-1) are fixedly connected with the rack (1) through shield connecting pieces (6-5), and the two ends of each sorting air blowing plate (6-2) are fixedly connected with the fixed profile (6-3) through air blowing plate connecting pieces (6-6).

5. The intelligent jujube sorting machine according to claim 1, wherein: the cleaning mechanism (7) is composed of a jacking cylinder (7-1), a support (7-2) and a brush plate (7-3), the two ends of the support (7-2) are connected with the output end of the jacking cylinder (7-1) through connecting rods (7-4), the brush plate (7-3) is installed on the support (7-2) at equal intervals, and a brush (7-5) is arranged on the end face of each brush plate (7-3).

6. The intelligent jujube sorting machine according to claim 1, wherein: the cam reciprocating feeding mechanism (11) comprises a cam shaft (11-1), a cam (11-4), a connecting screw rod (11-6) and a swinging plate (11-8), wherein the cam shaft (11-1) is sleeved in a bearing seat (11-2), the bearing seat (11-2) is fixedly connected with the rack (1), a transmission chain wheel (11-3) is sleeved in the middle of the cam shaft (11-1), the cam (11-4) is installed at the end part of the cam shaft (11-1), the cam (11-4) is connected with one end of the connecting screw rod (11-6) through a joint bearing (11-5), the other end of the connecting screw rod (11-6) is hinged on a hinged seat (11-7), and the hinged seat (11-7) is fixedly installed on the swinging plate (11-8), the upper edge of the swinging plate (11-8) is hinged to a fixing piece (11-9) through a hinge, and the fixing piece (11-9) is fixedly connected with the rack (1).

7. The intelligent jujube sorting machine according to claim 1, wherein: the blanking conveying belt (3) is horizontally arranged, the two sides of the blanking conveying belt (3) are respectively provided with a long guide plate (3-1) and a short guide plate (3-2) in an inclined mode side by side along the conveying direction, and one end of the blanking conveying belt (3) is provided with a blanking baffle (3-3).

8. The intelligent jujube sorting machine according to claim 1, wherein: the discharging direction of the discharging conveyer belt (4) is vertical to the conveying direction of the profiling tug sequencing conveying mechanism (2) above.