CN114146928B - Weight-division screening device for logistics express delivery - Google Patents
Weight-division screening device for logistics express delivery Download PDFInfo
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- CN114146928B CN114146928B CN202111449504.8A CN202111449504A CN114146928B CN 114146928 B CN114146928 B CN 114146928B CN 202111449504 A CN202111449504 A CN 202111449504A CN 114146928 B CN114146928 B CN 114146928B
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- plate
- blanking
- guide plate
- express
- fixedly arranged
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C3/00—Sorting according to destination
- B07C3/02—Apparatus characterised by the means used for distribution
- B07C3/08—Apparatus characterised by the means used for distribution using arrangements of conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/16—Sorting according to weight
- B07C5/28—Sorting according to weight using electrical control means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/38—Collecting or arranging articles in groups
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Sorting Of Articles (AREA)
- Branching, Merging, And Special Transfer Between Conveyors (AREA)
Abstract
The invention discloses a weight-division screening device for logistics express, and relates to the technical field of express sorting devices; the weight sensor is fixedly embedded in the bearing plate; the material guide plate is fixedly arranged on the left side wall of the receiving plate, and the left end of the material guide plate is arranged in a downward inclined manner; a plurality of blanking openings are formed in the material guide plate at equal intervals; the two guardrail plates are respectively and fixedly arranged on the front side and the rear side of the upper side surfaces of the receiving plate and the material guide plate; the blanking opening and closing mechanisms are a plurality of, and the blanking opening and closing mechanisms are respectively arranged on the material guide plates at one sides of the plurality of blanking openings; the second belt conveyors are fixedly arranged on the ground at the lower side of the feed opening through the stand; can carry out the classification according to the weight of express delivery, and can carry out multistage screening, the mode of screening is simple, and can carry out continuity operation, and operation mode is simple.
Description
Technical Field
The invention relates to the technical field of express sorting devices, in particular to a weight-division screening device for logistics express.
Background
The logistics is a process of combining functions of transportation, storage, loading and unloading, packaging, circulation processing, distribution, information processing and the like organically according to actual needs to achieve user requirements, and along with the continuous development of logistics industry, the times of using express mail by people are more frequent, so that the development of the logistics industry is greatly promoted. Most of the existing logistics conveying devices can only convey the express, and cannot sort the express according to the weight of the express, so that a weight-division screening device for logistics express is needed.
Disclosure of Invention
Aiming at the defects and shortcomings of the prior art, the invention provides the weight-division screening device for the express delivery of the logistics, which has the advantages of simple structure, reasonable design and convenience in use, can be used for classifying according to the weight of the express delivery, can be used for multi-stage screening, has a simple screening mode, can be used for continuous operation, and has a simple operation mode.
In order to achieve the above purpose, the invention adopts the following technical scheme: the device comprises a first belt conveyor and a bearing plate, wherein the first belt conveyor is fixedly arranged on the ground through a frame, the bearing plate is vertically and fixedly arranged on the left side wall of the frame of the first belt conveyor, and the bearing plate is arranged on the lower side of the output end of the first belt conveyor;
it also comprises:
the weight sensor is fixedly embedded in the bearing plate and is connected with an external power supply;
the first electric push rod is vertically fixed on the left side wall of the frame of the first belt conveyor on the upper side of the bearing plate, the first electric push rod is connected with an external power supply, a guide plate is fixedly connected to the output end of the first electric push rod, the lower side surface of the guide plate is in contact with the upper side surface of the bearing plate, and the upper side surface of the guide plate is in movable contact with the belt surface of the first belt conveyor;
the limiting mechanism is arranged on the left side of the bearing plate;
the material guide plate is fixedly arranged on the left side wall of the receiving plate, and the left end of the material guide plate is obliquely arranged downwards; a plurality of blanking openings are formed in the material guide plate at equal intervals;
the guardrail plates are two and are respectively fixedly arranged on the front side and the rear side of the upper side surfaces of the receiving plate and the material guide plate;
the blanking opening and closing mechanisms are arranged on the material guide plates at one sides of the plurality of blanking openings respectively;
the second belt conveyors are fixedly arranged on the ground at the lower side of the feed opening through a frame, and the second belt conveyors are vertically stacked; the second belt conveyor is connected with an external power supply.
Preferably, the limiting mechanism comprises:
the upper side of the limiting plate is movably inserted into the left side of the bearing plate, and the lower side of the limiting plate is provided with an adjusting groove;
the driving motor is fixedly arranged on the bottom surface of the bearing plate through a motor bracket; the driving motor is connected with an external power supply;
the lower end of the transmission rod is fixedly arranged on an output shaft of the driving motor;
the adjusting rod is fixedly arranged on the left side wall of the upper end of the transmission rod, and is movably inserted into the adjusting groove;
when the driving motor is opened, the driving motor drives the transmission rod to rotate, the transmission rod drives the adjusting rod to move in the adjusting groove, when the adjusting rod rotates the lower side of the driving motor, the limiting plate contracts to the inside of the bearing plate, when the adjusting rod moves to the upper side of the driving motor, the limiting plate stretches out of the bearing plate, and the quick progressive sliding down on the guide plate is limited.
Preferably, the end part of the adjusting rod is fixedly provided with a limit flange, and the limit flange and the adjusting groove are in limit arrangement; the position of the adjusting rod is limited through the limiting flange, so that the adjusting rod is prevented from slipping from the adjusting groove.
Preferably, the blanking opening and closing mechanism comprises:
the rotating shaft is arranged in the blanking opening, and the front end and the rear end of the rotating shaft are screwed with the front side wall and the rear side wall in the blanking opening through bearings;
one end of the sealing plate is fixedly sleeved on the rotating shaft, and the other side of the sealing plate is movably and limitedly arranged with the step groove on the side wall of the blanking opening through the step groove on the sealing plate;
the annular rack is fixedly arranged on the outer side wall of one side of the sealing plate;
the linear rack is movably meshed with one side of the annular rack;
the second electric push rod is fixedly embedded on the guide plate at one side of the blanking opening; the second electric push rod is connected with an external power supply, and the pushing end at the lower side of the second electric push rod is fixedly connected with the lower end of the linear rack through a connecting plate;
when the shrouding is in the inside of feed opening, the express delivery is from the unloading of down landing on the upside of stock guide and shrouding, after the express delivery is weighed, opens corresponding shrouding for the express delivery drops on corresponding No. two band conveyer's the area face, no. two electric putter stretches, and then drives sharp rack and slide downwards, because sharp rack meshes with annular rack, annular rack drives the shrouding and rotates 90 through the axis of rotation, and the express delivery carries out the unloading classification from the shrouding of opening.
Preferably, a guide groove is formed in the inner side wall of the blanking opening, a guide bar is fixedly arranged on the side wall of the linear rack, and the guide bar is arranged in the guide groove in a sliding manner; and the movement of the linear rack is limited and guided by the matched sliding of the guide groove and the guide strip.
Preferably, an air pump is fixedly arranged on the front side wall of the guardrail plate positioned at the front side, a main pipe is fixedly connected to the output end of the air pump, and a plurality of branch pipes are communicated with the main pipe; a plurality of air ducts are fixedly arranged on the bottom surface of the material guide plate through pipe clamps, air nozzles are fixedly connected to the upper side surfaces of the plurality of air ducts, the air nozzles are movably arranged in air holes formed in the material guide plate in a penetrating mode, and the plurality of air ducts are communicated with corresponding branch pipes; the air pump is connected with an external power supply; the air pump is electrified, the air pump outputs high-pressure air, the high-pressure air is always conveyed to the air tap from the main pipe, the branch pipes and the air duct, the air tap is sprayed out, friction between the express delivery and the material guide plate is reduced, and the influence of friction on the outer package of the express delivery is reduced.
The working principle of the invention is as follows: the method comprises the steps that the express to be classified is placed on the upper belt surface of a first belt conveyor at a certain interval, the express is conveyed to a receiving plate through the first belt conveyor, the express is blocked by a limiting mechanism one by one along a guide plate, the express is weighed through a weight sensor, a corresponding blanking opening and closing mechanism on a blanking opening corresponding to the weight interval is opened according to the weight interval of the express, then the limiting mechanism is retracted, a first electric push rod is opened, the first electric push rod drives the guide plate to move leftwards, and the guide plate pushes the express to move downwards along the guide plate until the express moves to the opened blanking opening, and the express falls onto the upper belt surface of the corresponding second belt conveyor along the blanking opening to be output.
Compared with the prior art, the invention has the beneficial effects that:
1. the rapid progression is weighed one by one through the weight sensor, classification can be carried out according to the weight of the express progression, and the operation mode is simple;
2. the material guide plate is provided with a plurality of material discharging openings, and different weight intervals corresponding to each material discharging opening enable the device to perform multi-stage screening, the screening mode is simple, and continuous operation can be performed;
3. stop gear can effectually prevent, and the express delivery is when the unloading, and inertial velocity is great, avoids dashing out the loading board, has guaranteed that the express delivery is in the position of weighing.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is an enlarged view of a portion B in fig. 1.
Fig. 4 is a schematic structural view of the limiting plate, the adjusting rod and the transmission rod of the present invention.
Fig. 5 is a schematic view showing a connection structure of the linear rack and the guide bar of the present invention.
Reference numerals illustrate:
the automatic feeding device comprises a first belt conveyor 1, a bearing plate 2, a weight sensor 3, a first electric push rod 4, a guide plate 5, a guide plate 6, a feed opening 7, a guardrail plate 8, a second belt conveyor 9, a limiting mechanism 10, a limiting plate 10-1, an adjusting groove 10-2, a driving motor 10-3, a transmission rod 10-4, an adjusting rod 10-5, a limiting flange 11, a feed opening and closing mechanism 12, a rotating shaft 12-1, a sealing plate 12-2, an annular rack 12-3, a linear rack 12-4, a second electric push rod 12-5, a guide groove 13, a guide bar 14, an air pump 15, a main pipe 16, a branch pipe 17, an air duct 18 and an air nozzle 19.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 5, the technical scheme adopted in the specific embodiment is as follows: the device comprises a first belt conveyor 1 and a bearing plate 2, wherein the first belt conveyor 1 is fixedly arranged on the ground through a rack and bolts, the bearing plate 2 is vertically and fixedly arranged on the left side wall of the rack of the first belt conveyor 1 through bolts, and the bearing plate 2 is arranged on the lower side of the output end of the first belt conveyor 1;
it also comprises:
the weight sensor 3 is fixedly embedded in the bearing plate 2 through a bolt, the weight sensor 3 is connected with an external power supply, and the weight sensor 3 has the same structure and principle as the weight detection sensor in the electronic scale in the prior art;
the first electric push rod 4 is vertically fixed on the left side wall of the frame of the first belt conveyor 1 on the upper side of the bearing plate 2 through bolts, the first electric push rod 4 is connected with an external power supply, a guide plate 5 is fixedly connected to the output end of the first electric push rod 4 through bolts, the lower side surface of the guide plate 5 is in contact with the upper side surface of the bearing plate 2, and the upper side surface of the guide plate 5 is in movable contact with the belt surface of the first belt conveyor 1;
the limiting mechanism 10 is arranged on the left side of the bearing plate 2;
the material guide plate 6 is fixedly arranged on the left side wall of the receiving plate 2 through bolts, and the left end of the material guide plate 6 is obliquely arranged downwards; a plurality of blanking openings 7 are formed in the material guide plate 6 at equal intervals;
the guardrail plates 8 are two, and are fixedly arranged on the front side and the rear side of the upper side surfaces of the bearing plate 2 and the material guide plate 6 through bolts respectively;
the blanking opening and closing mechanisms 12 are arranged on the material guide plates 6 at one sides of the plurality of blanking openings 7 respectively;
the second belt conveyors 9 are fixedly arranged on the ground below the feed opening 7 through racks, and the second belt conveyors 9 are vertically stacked; the second belt conveyor 9 is connected with an external power supply.
Preferably, the limiting mechanism 10 further comprises:
the limiting plate 10-1, wherein the upper side of the limiting plate 10-1 is movably inserted into the left side of the bearing plate 2, and the lower side of the limiting plate 10-1 is provided with an adjusting groove 10-2;
the driving motor 10-3, the driving motor 10-3 is fixedly arranged on the bottom surface of the bearing plate 2 through a motor bracket and a bolt; the driving motor 10-3 is connected with an external power supply;
the lower end of the transmission rod 10-4 is fixedly arranged on an output shaft of the driving motor 10-3 through a bolt;
the adjusting rod 10-5, the adjusting rod 10-5 is fixedly arranged on the left side wall of the upper end of the transmission rod 10-4 through a bolt, and the adjusting rod 10-5 is movably inserted into the adjusting groove 10-2.
As a preferable scheme, the end part of the adjusting rod 10-5 is fixedly provided with a limit flange 11 through bolts, and the limit flange 11 is in limit arrangement with the adjusting groove 10-2; the position of the adjusting rod 10-5 is limited by the limiting flange 11, so that the adjusting rod 10-5 is prevented from slipping out of the adjusting groove 10-2.
Preferably, the blanking start-stop mechanism 12 further comprises:
the rotary shaft 12-1, the rotary shaft 12-1 is arranged in the blanking opening 7, and the front end and the rear end of the rotary shaft 12-1 are screwed with the front side wall and the rear side wall in the blanking opening 7 through bearings;
the blanking device comprises a blanking plate 12-2, wherein one end of the blanking plate 12-2 is fixedly sleeved on a rotating shaft 12-1, and the other side of the blanking plate 12-2 is movably and limitedly arranged with a step groove on the side wall of a blanking opening 7 through the step groove on the blanking plate;
the annular rack 12-3, wherein the annular rack 12-3 is fixedly arranged on the outer side wall of one side of the sealing plate 12-2 through bolts;
the linear rack 12-4 is movably meshed with the linear rack 12-4 and is arranged on one side of the annular rack 12-3;
the second electric push rod 12-5 is fixedly embedded on the material guide plate 6 at one side of the material outlet 7 through a bolt; the second electric push rod 12-5 is connected with an external power supply, and the pushing end of the lower side of the second electric push rod 12-5 is fixedly connected with the lower end of the linear rack 12-4 through a connecting plate.
As a preferable scheme, the inner side wall of the feed opening 7 is provided with a guide groove 13, the side wall of the linear rack 12-4 is integrally formed with a guide bar 14, and the guide bar 14 is arranged in the guide groove 13 in a sliding way; the movement of the linear rack 12-4 is limited and guided by the matched sliding of the guide groove 13 and the guide bar 14.
As a preferred scheme, an air pump 15 is fixedly arranged on the front side wall of the guardrail plate 8 positioned on the front side through bolts, a main pipe 16 is fixedly connected to the output end of the air pump 15 through bolts and flanges, and a plurality of branch pipes 17 are arranged on the main pipe 16 in a communicating manner; a plurality of air ducts 18 are fixedly arranged on the bottom surface of the material guide plate 6 through pipe clamps and bolts, air nozzles 19 are fixedly connected to the upper side surfaces of the plurality of air ducts 18, the air nozzles 19 are movably arranged in air holes formed in the material guide plate 6 in a penetrating mode, and the plurality of air ducts 18 are communicated with corresponding branch pipes 17; the air pump 15 is connected with an external power supply; the air pump 15 is electrified, the air pump 15 outputs high-pressure air, the high-pressure air is directly conveyed to the air tap 19 from the main pipe 16, the branch pipe 17 and the air duct 18, and is sprayed out from the air tap 19, so that friction between the express delivery and the material guide plate 6 is reduced, and the influence of friction on the express delivery outer package is reduced.
The specific use types of the first belt conveyor 1, the second belt conveyor 9, the first electric push rod 4, the second electric push rod 12-5, the air pump 15 and the driving motor 10-3 are directly purchased, installed and used from the market according to the use requirements.
The working principle of the specific embodiment is as follows: the method comprises the steps that the express items to be classified are placed on the upper belt surface of a first belt conveyor 1 at a certain interval, and the express items are fed onto a receiving plate 2 one by one along a guide plate 5 through the transmission of the first belt conveyor 1, so that the express items are blocked by a limiting mechanism 10; the driving motor 10-3 is turned on, the driving motor 10-3 drives the transmission rod 10-4 to rotate, the transmission rod 10-4 drives the adjusting rod 10-5 to move in the adjusting groove 10-2, when the adjusting rod 10-5 rotates the lower side of the driving motor 10-3, the limiting plate 10-1 is contracted into the bearing plate 2, when the adjusting rod 10-5 moves to the upper side of the driving motor 10-3, the limiting plate 10-1 extends out of the bearing plate 2, and rapid progressive limiting of the upper sliding down of the guide plate 5 is performed; then weighing through a weight sensor 3, opening a discharging opening and closing mechanism 12 on a discharging opening 7 corresponding to the weight interval according to the weight interval to which the express belongs, opening the corresponding discharging opening 7, then retracting a limiting mechanism 10, opening a first electric push rod 4, driving a guide plate 5 to move leftwards by the first electric push rod 4, and pushing the express to move downwards along the guide plate 6 until the express moves to the opened discharging opening 7, and dropping onto the upper belt surface of a corresponding second belt conveyor 9 along the discharging opening 7 for outputting; when the sealing plates 12-2 are positioned in the blanking opening 7, the express delivery slides downwards from the upper side surfaces of the material guide plate 6 and the sealing plates 12-2 for blanking, after the express delivery is weighed, the corresponding sealing plates 12-2 are opened, so that the express delivery falls on the belt surface of the corresponding No. two belt conveyor 9, the No. two electric push rods 12-5 are extended, the linear racks 12-4 are driven to slide downwards, and as the linear racks 12-4 are meshed with the annular racks 12-3, the annular racks 12-3 drive the sealing plates 12-2 to rotate by 90 degrees through the rotating shafts 12-1, and the express delivery is classified by blanking from the opened sealing plates 12-2.
After adopting above-mentioned structure, this concrete implementation mode beneficial effect does:
1. the weight sensor 3 is used for weighing the fast-forwarding objects one by one, grading can be carried out according to the weight of the fast-forwarding objects, and the operation mode is simple;
2. the material guide plate 6 is provided with a plurality of material discharging openings 7, and the material discharging openings 7 correspond to different weight intervals, so that the device can perform multi-stage screening, the screening mode is simple, and continuous operation can be performed;
3. the limiting mechanism 10 can effectively prevent the express delivery from being washed out of the bearing plate due to the high inertia speed during blanking, and ensures that the express delivery is in a weighing position;
4. high-pressure gas is sprayed out from the air tap 19, so that friction force between the express and the material guide plate 6 is reduced, and influence of friction on the outer package of the express is reduced.
The foregoing is merely illustrative of the present invention and not restrictive, and other modifications and equivalents thereof may occur to those skilled in the art without departing from the spirit and scope of the present invention.
Claims (4)
1. The weight-division screening device for logistics express delivery comprises a first belt conveyor (1) and a receiving plate (2), wherein the first belt conveyor (1) is fixedly arranged on the ground through a frame, the receiving plate (2) is vertically and fixedly arranged on the left side wall of the frame of the first belt conveyor (1), and the receiving plate (2) is arranged on the lower side of the output end of the first belt conveyor (1);
characterized in that it further comprises:
the weight sensor (3) is fixedly embedded in the bearing plate (2), and the weight sensor (3) is connected with an external power supply;
the first electric push rod (4), the first electric push rod (4) is vertically fixed on the left side wall of the frame of the first belt conveyor (1) on the upper side of the bearing plate (2), the first electric push rod (4) is connected with an external power supply, a guide plate (5) is fixedly connected to the output end of the first electric push rod (4), the lower side surface of the guide plate (5) is in contact with the upper side surface of the bearing plate (2), and the upper side surface of the guide plate (5) is in movable contact with the belt surface of the first belt conveyor (1);
the limiting mechanism (10) is arranged on the left side of the bearing plate (2);
the material guide plate (6) is fixedly arranged on the left side wall of the bearing plate (2), and the left end of the material guide plate (6) is obliquely arranged downwards; a plurality of blanking openings (7) are formed in the material guide plate (6) at equal intervals;
the guardrail plates (8) are two, and are respectively and fixedly arranged on the front side and the rear side of the upper side surfaces of the bearing plate (2) and the material guide plate (6); an air pump (15) is fixedly arranged on the front side wall of the guardrail plate (8) positioned at the front side, a main pipe (16) is fixedly connected to the output end of the air pump (15), and a plurality of branch pipes (17) are communicated with the main pipe (16); a plurality of air ducts (18) are fixedly arranged on the bottom surface of the material guide plate (6) through pipe clamps, air nozzles (19) are fixedly connected to the upper side surfaces of the plurality of air ducts (18), the air nozzles (19) are movably arranged in air holes formed in the material guide plate (6) in a penetrating mode, and the plurality of air ducts (18) are communicated with corresponding branch pipes (17); the air pump (15) is connected with an external power supply; the air pump (15) is electrified, the air pump (15) outputs high-pressure air, the high-pressure air is always conveyed to the air tap (19) from the main pipe (16), the branch pipe (17) and the air duct (18), and is sprayed out from the air tap (19), so that the friction between the express delivery and the material guide plate (6) is reduced, and the influence of friction on the express delivery outer package is reduced;
the blanking opening and closing mechanisms (12), wherein the plurality of blanking opening and closing mechanisms (12) are respectively arranged on the material guide plates (6) at one side of the plurality of blanking openings (7);
the second belt conveyors (9) are fixedly arranged on the ground below the feed opening (7) through racks, and the second belt conveyors (9) are vertically stacked; the second belt conveyor (9) is connected with an external power supply;
the limiting mechanism (10) comprises:
the upper side of the limiting plate (10-1) is movably inserted into the left side of the bearing plate (2), and the lower side of the limiting plate (10-1) is provided with an adjusting groove (10-2);
the driving motor (10-3), the driving motor (10-3) is fixedly arranged on the bottom surface of the bearing plate (2) through a motor bracket; the driving motor (10-3) is connected with an external power supply;
the lower end of the transmission rod (10-4) is fixedly arranged on the output shaft of the driving motor (10-3);
the adjusting rod (10-5), the adjusting rod (10-5) is fixedly arranged on the left side wall of the upper end of the transmission rod (10-4), and the adjusting rod (10-5) is movably inserted into the adjusting groove (10-2);
opening a driving motor (10-3), driving the driving rod (10-4) to rotate by the driving motor (10-3), driving the adjusting rod (10-5) to move in the adjusting groove (10-2) by the driving rod (10-4), shrinking the limiting plate (10-1) into the bearing plate (2) when the adjusting rod (10-5) rotates the lower side of the driving motor (10-3), and extending the limiting plate (10-1) out of the bearing plate (2) when the adjusting rod (10-5) moves to the upper side of the driving motor (10-3) to limit the quick-descending of the guide plate (5);
the blanking opening and closing mechanism (12) comprises:
the rotary shaft (12-1), the rotary shaft (12-1) is arranged in the blanking opening (7), and the front end and the rear end of the rotary shaft (12-1) are screwed with the front side wall and the rear side wall in the blanking opening (7) through bearings;
the blanking device comprises a blanking plate (12-2), wherein one end of the blanking plate (12-2) is fixedly sleeved on a rotating shaft (12-1), and the other side of the blanking plate (12-2) is movably and limitedly arranged with a step groove on the side wall of a blanking opening (7) through the step groove on the blanking plate;
the annular rack (12-3) is fixedly arranged on the outer side wall of one side of the sealing plate (12-2);
the linear rack (12-4) is movably meshed with one side of the annular rack (12-3);
the second electric push rod (12-5) is fixedly embedded on the guide plate (6) at one side of the blanking opening (7); the second electric push rod (12-5) is connected with an external power supply, and the pushing end of the lower side of the second electric push rod (12-5) is fixedly connected with the lower end of the linear rack (12-4) through a connecting plate;
when the sealing plate (12-2) is positioned in the blanking opening (7), the express delivery slides downwards from the upper side surfaces of the material guide plate (6) and the sealing plate (12-2) to carry out blanking, after the express delivery is weighed, the corresponding sealing plate (12-2) is opened, the express delivery falls on the belt surface of the corresponding No. two belt conveyor (9), the No. two electric push rod (12-5) stretches, the linear rack (12-4) is driven to slide downwards, and the linear rack (12-4) is meshed with the annular rack (12-3), the annular rack (12-3) drives the sealing plate (12-2) to rotate 90 degrees through the rotating shaft (12-1), and the express delivery is classified from the opened sealing plate (12-2).
2. The weight fraction screening device for logistics express according to claim 1, wherein: a limit flange (11) is fixedly arranged at the end part of the adjusting rod (10-5), and the limit flange (11) and the adjusting groove (10-2) are in limit arrangement; the position of the adjusting rod (10-5) is limited through the limiting flange (11), so that the adjusting rod (10-5) is prevented from slipping out of the adjusting groove (10-2).
3. The weight fraction screening device for logistics express according to claim 1, wherein: the inner side wall of the blanking opening (7) is provided with a guide groove (13), the side wall of the linear rack (12-4) is fixedly provided with a guide bar (14), and the guide bar (14) is arranged in the guide groove (13) in a sliding way; the movement of the linear rack (12-4) is limited and guided by the matched sliding of the guide groove (13) and the guide bar (14).
4. The express sorting and screening method of the weight sorting and screening device for logistics express according to claim 1, wherein the method comprises the following steps: the method comprises the steps that an express to be classified is placed on the upper belt surface of a first belt conveyor (1) at a certain interval, the express is conveyed by the first belt conveyor (1), and then falls onto a bearing plate (2) along a guide plate (5), a limiting mechanism (10) is used for blocking the express, weighing is carried out through a weight sensor (3), a blanking opening and closing mechanism (12) on a blanking opening (7) corresponding to the weight interval is opened according to the weight interval to which the express belongs, the corresponding blanking opening (7) is opened, then the limiting mechanism (10) is retracted, an electric push rod (4) is opened, the first electric push rod (4) drives the guide plate (5) to move leftwards, and the guide plate (5) pushes the express to move downwards along the guide plate (6) until the express moves to the opened blanking opening (7), and then drops onto the upper belt surface of a corresponding second belt conveyor (9) along the blanking opening (7) to be output.
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| CN114146928A (en) | 2022-03-08 |
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