CN112122137B - Workpiece feeding device and sorting system - Google Patents
Workpiece feeding device and sorting system Download PDFInfo
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- CN112122137B CN112122137B CN201910549370.3A CN201910549370A CN112122137B CN 112122137 B CN112122137 B CN 112122137B CN 201910549370 A CN201910549370 A CN 201910549370A CN 112122137 B CN112122137 B CN 112122137B
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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
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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
- B07C3/10—Apparatus characterised by the means used for detection ofthe destination
Abstract
The invention relates to the technical field of article sorting, and provides a piece loading device and a sorting system, wherein the piece loading device is used for placing articles on a conveying device and comprises: a frame; the workpiece conveying mechanism is arranged on the rack, is provided with a workpiece taking position and is used for placing a flat workpiece and conveying the flat workpiece to the workpiece taking position; the picking mechanism is arranged on the rack and is used for transferring the flat object from the picking position to the conveying device; and the scanning mechanism is arranged on the rack and is used for scanning one side and the other side of the flat object respectively under the matching of the piece feeding mechanism and the piece taking mechanism so as to read the information on the flat object. The workpiece feeding device has the advantages of high workpiece feeding efficiency, high workpiece feeding accuracy, labor saving, low investment cost and small occupied area.
Description
Technical Field
The invention relates to the technical field of object sorting, in particular to a loading device and a sorting system.
Background
Currently, the postal and express logistics industry is in a high-speed development period, the traffic volume is rapidly increased, the workload of workers is also increased, and particularly for flat articles such as envelopes or documents, the sorting difficulty of the workers is greatly increased.
In order to reduce the workload of the staff, different articles are generally sorted using an article sorting apparatus. Present letter sorting equipment can only carry out the single face scanning from top to bottom direction, consequently, before sorting the article, still need the staff to place one side that has two-dimensional code, bar code or handwritten information on with the article up, moreover, still need the staff to guarantee that the accurate placing of article is in the scanning position, has so both increased staff's work load, makes letter sorting inefficiency again.
In order to improve sorting efficiency, the auxiliary loading device is additionally arranged on the sorting equipment at present, the auxiliary loading device comprises a plurality of sections of conveying belts with different conveying speeds, the conveying speed of the conveying belts for placing the objects by workers is low, the conveying speed of the conveying belts close to the sorting equipment is high, and therefore the sorting efficiency is improved compared with manual loading through the auxiliary loading device. However, the auxiliary loading device still needs manual continuous participation, the improvement of the sorting efficiency is limited, and the quick sorting of the objects is not facilitated.
Disclosure of Invention
The invention aims to provide a workpiece feeding device, and aims to solve the technical problem of low workpiece sorting efficiency caused by manual auxiliary workpiece feeding in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: a loading device for placing articles on a conveyor, comprising:
a frame;
the workpiece conveying mechanism is arranged on the rack, is provided with a workpiece taking position and is used for placing a flat workpiece and conveying the flat workpiece to the workpiece taking position;
the picking mechanism is arranged on the rack and is used for transferring the flat object from the picking position to the conveying device; and the number of the first and second groups,
and the scanning mechanism is arranged on the rack and is used for scanning one side and the other side of the flat object respectively under the matching of the piece feeding mechanism and the piece taking mechanism so as to read the information on the flat object.
Preferably: the pickup mechanism comprises: the rotary component is rotatably arranged on the rack, and the plurality of pickup components are arranged on the rotary component and drive the pickup components to do circular motion and transfer the flat articles one by one at the pickup positions.
Preferably: the rotating assembly includes: actuating mechanism, and, by actuating mechanism drive pivoted axis of rotation, it is a plurality of it is that circumference equidistance distributes to get a subassembly in the circumference of axis of rotation.
Preferably: the pickup assembly comprises: locate rotatory arm on the axis of rotation, and, locate get a anchor clamps on the rotatory arm.
Preferably: the workpiece taking clamp is a sucker assembly, and suction is generated by vacuumizing to suck the workpiece.
Preferably: the pickup clamp comprises: the vacuum suction nozzle is arranged on the fixed disc.
Preferably: get a mechanism and still include: and the induction assembly is used for controlling the pickup assembly to pick up and put the workpieces.
Preferably: the sensing assembly includes: the proximity switch is arranged on the pickup assembly, the pickup induction sheet is fixedly arranged on the rack, and the pickup induction sheet is fixedly arranged on the rack; when the proximity switch corresponds to the piece taking induction sheet, the piece taking assembly absorbs the flat piece, and when the proximity switch corresponds to the piece placing induction sheet, the piece taking assembly places the flat piece on the conveying device.
Preferably: the scanning mechanism includes: the flat object scanning device comprises a first scanning camera and a second scanning camera which are arranged at intervals, the scanning direction of the first scanning camera is arranged towards the piece taking position and is used for scanning one side of the flat object, and the piece taking mechanism drives the flat object to pass through the interval between the first scanning camera and the second scanning camera so that the second scanning camera scans the other side of the flat object.
Preferably: the second scanning camera is arranged above the piece taking mechanism, and vertically scans the other side of the flat piece downwards when the piece taking assembly drives the flat piece to move to the highest point.
Preferably: the piece feeding mechanism comprises: the device comprises a belt assembly arranged on the rack, side baffles arranged on two sides of the belt assembly, and a push plate which is enclosed into a placing area for placing the flat object with the belt assembly and the two side baffles, wherein bent edges which are folded mutually are arranged at one ends of the two side baffles close to the piece taking mechanism, and the piece taking position is formed between the two bent edges.
It is also an object of the present invention to provide a sorting system comprising: a transfer device and a loading device as described above, the transfer device comprising: the mounting bracket is arranged on the conveying piece on the mounting bracket, a plurality of object sorting areas are arranged on the conveying piece, and the two adjacent object sorting areas are adjacent to each other, the center distance between the two object sorting areas is equal to the distance between the two flat objects placed by the piece taking mechanism.
The sorting system provided by the invention at least has the following beneficial effects:
1. the flat articles are automatically conveyed to the article taking position through the article conveying mechanism, and the flat articles do not need to be placed one by workers, so that the working efficiency of the workers is improved, and the labor intensity of the workers is reduced;
2. through getting a mechanism, automatically shift flat article to conveyer on by getting a position to in the transfer process, scanning mechanism scans the both sides of flat article, thereby accomplishes reading of information on the flat article, makes the information of flat article confirm convenient, swift, accurate, thereby has improved the letter sorting efficiency of flat article.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic perspective view of a workpiece loading device according to an embodiment of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 1;
FIG. 4 is a schematic front plan view of a part loading apparatus according to an embodiment of the present invention;
FIG. 5 is an enlarged view at C of FIG. 4;
fig. 6 is a schematic perspective view of a sorting system according to an embodiment of the present invention.
Reference numerals:
10. a workpiece feeding device; 1. a frame; 2. a workpiece conveying mechanism; 21. a belt assembly; 22. a side dam; 221. bending edges; 23. pushing the plate; 3. a pickup mechanism; 31. a rotating assembly; 311. a motor; 312. a rotating shaft; 32. a pickup assembly; 321. rotating the arm; 322. taking a clamp; 3221. fixing the disc; 3222. a vacuum nozzle; 33. an inductive component; 331. taking a sensing piece; 332. placing an induction sheet; 4. a scanning mechanism; 41. a first scanning camera; 42. a second scanning camera; 43. erecting a rod; 20. a conveying device; 201. a mounting frame; 202. a conveying member; 203. an article sorting zone; 30. a flat article.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to fig. 3 and fig. 6, a workpiece loading device according to an embodiment of the present invention will now be described. The loading device 10 is used for placing the flat object 30 on the conveying device 20 after the scanning is finished, and the loading device 10 comprises: the automatic feeding device comprises a machine frame 1, a piece feeding mechanism 2, a piece taking mechanism 3 and a scanning mechanism 4. The feeding mechanism 2 is arranged on the rack 1 and is provided with a picking position, and the feeding mechanism 2 is used for placing a plurality of flat articles 30 and conveying the flat articles 30 to the picking position one by one; the picking mechanism 3 is arranged on the frame 1 and is used for transferring each flat object 30 from a picking position to the conveying device 20; the scanning mechanism 4 is disposed on the frame 1, and under the cooperation of the feeding mechanism 2 and the picking mechanism 3, scans one side (surface a) and the other side (surface B) of each flat object 30 respectively to read information on the flat object 30. The part loading device is also provided with a control system which is electrically connected with the part feeding mechanism 2, the part taking mechanism 3 and the scanning mechanism 4.
The information can be obtained by scanning a two-dimensional code, a bar code or hand-filling information, the information at least comprises the contents of a receiver, a receiver address, a receiver contact address and the like, and the information can also comprise sender information, a sender contact address, other remark contents.
In this embodiment, the feeding mechanism 2 is an automatic feeding structure, and can automatically feed the flat objects 30 one by one to the pickup position, at this time, the scanning mechanism 4 scans one side of the flat object 30 at the pickup position first, then the pickup assembly 3 can transfer the scanned flat object 30 at the pickup position, during the transfer of the flat object 30, the flat object 30 is turned over to expose the other side, the scanning mechanism 4 can scan the other side of the flat object 30, complete the scanning of one side and the other side of the flat object 30, and transmit the information obtained by the scanning to the control system.
In the embodiment, the flat object 30 includes, but is not limited to, flat express objects such as envelopes and document seals, and may also be other sheet-like objects such as posters and papers, and the flat object 30 may also be paper-like, plastic-like or metal-like materials. In the present embodiment, the flat article 30 is described as an envelope or a file cover.
According to the workpiece loading device provided by the embodiment of the invention, through the mutual matching of the workpiece conveying mechanism 2, the workpiece taking mechanism 3 and the scanning mechanism 4, two sides of the flat workpiece 30 can be scanned respectively, so that when the flat workpiece 30 is placed on the workpiece conveying mechanism 2, a worker does not need to determine an information plane on the flat workpiece 30, and the labor intensity of the worker is reduced; in addition, the flat articles 30 are automatically loaded through the article taking mechanism 3 and the article conveying mechanism 2, and compared with manual one-by-one loading, the loading efficiency is greatly improved, so that the article sorting efficiency is improved; the loading device 10 improves loading efficiency, so that the input amount of corresponding equipment can be relatively reduced, and compared with the traditional auxiliary loading device using a multi-section conveying belt, the loading device has the advantage of small occupied area, so that the input cost is reduced; the flat objects 30 can be accurately placed on the conveying device 20 through the picking mechanism 3, so that the piece feeding accuracy is guaranteed, and the sorting failure rate is reduced.
In the present embodiment, as shown in fig. 1 to 3, the pickup mechanism 3 includes: the rotating assembly 31 provided on the frame 1 and the plurality of pick-up assemblies 32 provided on the rotating assembly 31 are rotated, and the rotating assembly 31 drives each pick-up assembly 32 to make a circular motion and transfer each flat object 30 one by one at the pick-up position. In this embodiment, the rotating assembly 31 drives the picking assembly 32 to rotate for one circle, and the picking assembly 32 picks one flat object 30 from the picking position of the feeding mechanism 2, so that the flat objects 30 can be continuously transferred by a plurality of picking assemblies 32, thereby ensuring the picking efficiency. In addition, the workpiece taking frequency is ensured through a rotary workpiece taking mode, so that the workpiece feeding accuracy is ensured; on the other hand, the conveying distance of the flat articles 30 can be effectively shortened, so that the size of the article taking mechanism 3 is reduced, and the occupied area is reduced.
In the present embodiment, as shown in fig. 1 and 2, in the present embodiment, the rotating assembly 31 includes: the driving mechanism, and, the axis of rotation 312 that is rotated by the drive mechanism drive, axis of rotation 312 rotates and locates frame 1, and a plurality of taking subassembly 32 are the circumference of circumference equidistance distribution on axis of rotation 312. In this embodiment, the driving mechanism is a motor 311, and the rotating shaft 312 is a flange shaft, which facilitates the installation of the pickup assembly 32; in the embodiment, the motor 311 is in transmission connection with the rotating shaft 312 through a synchronous belt, so that the running stability of the rotating shaft 312 is ensured; in other embodiments, the motor 311 is geared by intermeshing gears, or by a chain that drives the gears.
As shown in fig. 3, in the present embodiment, the pickup assembly 32 includes: a rotating arm 321 provided on the rotating shaft 312, and a pick-up jig 322 provided on the rotating arm 321, the pick-up jig 322 being used to pick up the flat object 30 from the pick-up position of the feeding mechanism 2. In this embodiment, the rotating arm 531 may be configured as a block, a cylinder or other irregular shape, and the rotating arm 531 is mainly used for connecting and installing the pickup clamp 322 so as to rotate the pickup clamp 322 synchronously with the rotating shaft 312. In this embodiment, the rotating arm 531 is made of steel. In the present embodiment, four pick-up assemblies 32 are provided, and four pick-up assemblies 32 are equidistantly distributed on the circumferential surface of the rotating shaft 312, and in other embodiments, one, two, three, five or more pick-up assemblies 32 may be provided. The arc distances between two adjacent pick-off assemblies 32 are equal, thus ensuring the consistency of the time intervals between the flat articles 30 and the accuracy of the position of the upper articles between adjacent flat articles 30.
In the present embodiment, as shown in fig. 3, the picking jig 322 is a suction cup assembly, and the flat object 30 is sucked by vacuum suction. Specifically, the pickup jig 322 includes: a fixed disk 3221 disposed on the rotating arm 321, and a plurality of vacuum suction nozzles 3222 disposed on the fixed disk 3221. In this embodiment, the fixed tray 3221 is a rectangular plate structure, the vacuum suction nozzles 3222 are four and are respectively disposed at four corners of the fixed tray 3221, in other embodiments, the fixed tray 3221 is a circular plate structure, and the vacuum suction nozzles 3222 are symmetrically disposed around a center of the fixed tray 3221. Of course, the number of the vacuum nozzles 3222 may be increased or decreased to stably suck the flat object 30. In this embodiment, vacuum is generated by vacuum suction nozzle 3222 via a vacuum generator, which in this embodiment is mounted on rotating arm 321, and which is coupled to vacuum suction nozzle 3221 via a vacuum line. Of course, in other embodiments, the vacuum suction nozzle 3222 may also be connected to a vacuum pump via a vacuum line.
As shown in fig. 2, in the present embodiment, the pickup mechanism 3 further includes: and a sensing assembly 33 for controlling the pick-up and the placing of the pick-up assembly 32. The sensing assembly 33 is used for controlling the picking assembly 32 to pick the flat objects 30 or place the flat objects 30 on the conveying device 20 according to the positions reached by the picking assemblies 32, and the sensing assembly 33 is used for ensuring that each picking assembly 32 can accurately pick and place the flat objects 30.
Specifically, as shown in fig. 2, in the present embodiment, the sensing component 33 includes: a proximity switch (not shown in the figure) arranged on the pickup assembly 32, a pickup induction sheet 331 and a placement induction sheet 332 arranged on the rack 1, wherein the pickup induction sheet 331 and the placement induction sheet 332 are made of metal materials. The number of the proximity switches is the same as that of the pickup assemblies 32, each pickup assembly 32 is correspondingly provided with one proximity switch, and the proximity switches rotate along with the rotation of the pickup assemblies 32. In other embodiments, the sensing assembly may also employ an infrared sensor or a fiber optic sensor.
The pick-up sensing piece 331 is disposed on the rack 1 and near the pick-up mechanism 2, specifically disposed obliquely above the rotating shaft 312, and when the proximity switch corresponds to the pick-up sensing piece 331, that is, the proximity switch moves to a position where the pick-up sensing piece 331 can mutually sense, the proximity switch sends a pick-up signal to the control system, and the control system controls the pick-up assembly 32 corresponding to the proximity switch to start to prepare for sucking the flat object 30, and then extracts the flat object 30. When the proximity switch corresponds to the pick sensor 331, the pick assembly 32 is aligned with the pick position to suck the flat object 30 at the pick position.
In this embodiment, the pick-up sensing piece 331 and the drop-off sensing piece 332 are respectively located on the circular motion track of the proximity switch. Specifically, the piece placing sensing piece 332 is disposed on the rack 1 and close to the conveying device 20, specifically, disposed obliquely below the rotating shaft 312, when the proximity switch corresponds to the piece placing sensing piece 332, the proximity switch sends a piece placing signal, and the control system controls the piece taking assembly 32 corresponding to the proximity switch to cancel the suction force on the flat object 30, so as to place the flat object 30 on the conveying device 20, thereby completing the piece taking and piece placing actions of the flat object 30. When the proximity switch corresponds to the placement sensing tab 332, the pick-up assembly 32 is positioned proximate to the conveyor 20, thereby facilitating stable placement of the flat articles 30 on the conveyor 30.
As shown in fig. 1 and 4, in the present embodiment, the scanning mechanism 4 includes: a first scanning camera 41 and a second scanning camera 42. Wherein the first scanning camera 41 and the second scanning camera 42 are spaced apart, the scanning direction of the first scanning camera 41 is set toward the pick-up position and is used for scanning one side (a side) of the flat object 30, the scanning directions of the first scanning camera 41 and the second scanning camera 42 are set opposite to each other, and when the pick-up mechanism 3 drives the flat object 30 to pass through the gap between the first scanning camera 41 and the second scanning camera 42, the second scanning camera 42 scans the other side (B side) of the flat object 30.
Specifically, the first scanning camera 41 is disposed on the frame 1, the scanning direction of the first scanning camera 41 faces the pickup position on the feeding mechanism 2 to perform the photo scanning on one side of the flat object 30 on the feeding mechanism 2, and the first scanning camera 41 performs the photo scanning before the pickup assembly 32 sucks the flat object 30. The second scanning camera 42 is disposed on the frame 1 through the vertical rod 43, and the second scanning camera 42 is disposed above the pick-up assembly 32, and the scanning direction of the second scanning camera 42 is disposed toward the pick-up assembly 32.
In the embodiment, the second scanning camera 42 is disposed above the picking mechanism 3 through the vertical rod 43, and vertically scans the other side of the flat object 30 downwards when the picking assembly 32 drives the flat object 30 to move to the highest point, but of course, the second scanning camera 42 may also be disposed at any position between the placing sensor 332 and the first scanning camera 41, so that the second scanning camera 42 can scan the other side of the flat object 30 before the picking assembly 32 puts down the flat object 30. Specifically, the second scanning camera 42 is disposed above the pickup assembly 32 in the vertical direction through the vertical rod 43, when the pickup assembly 32 is driven by the rotating assembly 31 to move to the highest position perpendicular to the ground, the second scanning camera 42 performs photographing and scanning on the other side of the flat object 30, so as to complete information reading of the flat object 30, and when the pickup assembly 32 moves to the lowest position perpendicular to the ground, the proximity switch senses the placement sensing sheet 332, so that the proximity switch sends placement information to the control system, and the control system controls the pickup assembly 32 to cancel the suction force on the flat object 30, so that the flat object 30 freely falls on the conveying device 20.
As shown in fig. 3 and 4, in the present embodiment, the feeder mechanism 2 includes: locate belt subassembly 21 on frame 1, locate the side shield 22 of belt subassembly 21 both sides, and, with belt subassembly 21, the push pedal 23 that the both sides baffle 22 encloses into the district of placing that is used for placing flat article 30, the one end that is close to getting a mechanism 3 on the baffle 22 of both sides is equipped with the limit of bending 221 of fifty percent discount each other, have the interval between two limits of bending 221, make one side that flat article 30 is close to absorbing assembly 32 expose, so that form between two limits of bending 221 and get a position, vacuum suction nozzle 3222 realizes absorbing flat article 30 of being convenient for. The belt assembly 21 is a conventional belt conveying mechanism.
The two bending edges 221 have a blocking function, so as to prevent the flat object 30 from being freely separated from the placement area under the driving of the belt assembly 21, one end of the flat object 30 is placed on the belt assembly 21, when the belt assembly 21 runs towards the pickup assembly 32, because friction force exists between the flat object 30 and the belt assembly 21, the belt assembly 21 has an inner side driving force pushing the flat object 30 in the placement area to be attached to the bending edges 221, so as to drive the flat object 30 to be at the pickup position, thereby ensuring that the vacuum suction nozzle 3222 can suck the flat object 30, the push plate 23 is used for preventing the flat object 30 from toppling, and ensuring that the flat object 30 is in an inner side state attached to the bending edges 221, in this embodiment, the push plate 23 can move between the baffle plates 22 at two sides, specifically, the push plate 23 is driven by a separate motor, that the motor drives the push plate 23 to swing with the rotating shaft of the motor as an axis, during the swinging process of the push plate 23 towards the direction close to the pickup assembly 32, the push plate can push the upper part of the flat object 30 from the rear side to move towards the pickup position, and the push plate is matched with the belt assembly 21 to drive the lower part of the flat object 30 to move towards the pickup position, so that the position movement of the flat object 30 is realized.
Of course, the pushing plate 23 can also reciprocate between the two side baffles 22 by means of a screw mechanism or an air cylinder, when the pushing plate 23 moves towards the direction close to the picking assembly 32, the pushing plate 23 pushes the flat article 30 to move towards the picking position, and in this case, the belt assembly 21 can be replaced by a placing plate.
Specifically, one end of the two side baffles 22 close to the picking assembly 32 is inclined towards the picking assembly 32, so that the flat object 30 can be automatically positioned on a tangent line of the movement track of the picking assembly 32 or the flat object 30 can be intersected with the movement track of the picking assembly 32, and the flat object 30 can be sucked by the picking assembly 32.
As shown in fig. 6, an embodiment of the present invention further provides a sorting system, which at least includes: a transfer device 20 and the loading device 10 described above. Wherein, the transfer device 20 comprises: the device comprises a mounting frame 201 and a conveying member 202 arranged on the mounting frame 201, wherein a plurality of object sorting areas 203 arranged at equal intervals are arranged on the conveying member 202, and the object loading device 10 is arranged on one side of the mounting frame 201 and enables the object taking mechanism 3 to be located above the conveying member 202. In this embodiment, the conveying member 202 conveys the objects by using a belt conveying tray or a roller conveying manner.
In the present embodiment, the center distance between two adjacent article sorting areas 203 is the same as the distance between two flat articles 30 placed on the article taking mechanism 3, i.e. the center arc distance between two article taking assemblies 32 is equal to the center distance between two article sorting areas 203. This is provided to facilitate the determination of the rotational speed of the rotating assembly 31 and the conveying speed of the conveyor 20 to ensure that the flat articles 30 are accurately placed in the article sorting zone 203.
In this embodiment, the sorting system is operated, the conveying speed of the conveying member 202 is the same as the tangential operating speed of the rotating assembly 31, so that when the first flat article 30 is placed in the article sorting region 203, the subsequent flat article 30 is also placed in the article sorting region 203 because the arc distance between the two pick-off assemblies 32 is equal to the center distance between the two article sorting regions 203, thus ensuring the accuracy of the feeding.
The working principle of the sorting system is as follows: after a worker arranges a plurality of flat articles 30 such as envelopes or file seals into a neat stack, the stack is vertically placed on the belt assembly 21 in the placing area of the feeding mechanism 2, the flat articles 30 are kept in a vertical state through the side baffle 22 and the push plate 23, and the belt assembly 21 drives the flat articles 30 to move towards the direction of the taking mechanism 3 in the working process, so that the flat articles 30 are continuously kept at the taking position.
The motor 311 is started, the rotating shaft 312 rotates through the synchronous belt, the rotating shaft 312 drives the rotating arm 321 to perform circular motion in the rotating process, before the proximity switch on the rotating arm 321 rotates to the position corresponding to the pickup sensing piece 331, the first scanning camera 41 scans one side (surface a) of the first flat object 30 close to the pickup assembly 32, when the proximity switch on the rotating arm 321 rotates to the position corresponding to the pickup sensing piece 331, the proximity switch sends out an adsorption signal, the vacuum suction nozzle 3222 on the rotating arm 321 starts to perform a vacuum suction action through the vacuum generator, and when the rotating arm 321 rotates to the pickup position, the vacuum suction nozzle 3222 firmly sucks the first flat object 30 and extracts the first flat object 30 along with the rotation of the rotating arm 321.
When the rotating arm 321 rotates the first flat object 30 to the highest position perpendicular to the ground, the second scanning camera 42 scans the other side (side B) of the first flat object 30, and at this time, both sides of the first flat object 30 are photographed and scanned, and the information on the first flat object 30 is successfully read.
The rotating arm 321 carries the first flat object 30 after the scanning is completed to continue rotating, when the proximity switch reaches the sensing position of the object placing sensing sheet 332, the proximity switch sends an object placing signal to the control system, the control system sends a signal to stop the air suction of the vacuum generator, the vacuum suction nozzle 3222 makes a gap between the vacuum suction nozzle 3222 and the flat object 30 through the vacuum pipeline or under the action of the self gravity of the flat object 30, but the vacuum suction nozzle 3222 starts to ventilate with the outside, so that the vacuum suction nozzle 3222 loses the suction force on the first flat object 30, the first flat object 30 freely falls into the object sorting area 203 of the conveying device 20 under the self gravity, and at this time, the upper object of the flat object 30 is completed.
After the first flat article 30 is sucked by the vacuum suction nozzle 3222, the second flat article 30 reaches the picking position under the driving of the belt assembly 21, becomes a new first flat article 30, and is sucked by the subsequent picking assembly 32, so that the above processes are repeated, and thus, continuous and accurate feeding and placing of the articles are achieved.
The sorting system provided by the embodiment of the invention has the advantages of high sorting efficiency, high sorting accuracy, labor saving and low investment cost.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (12)
1. A loading device for placing articles on a conveyor, comprising:
a frame;
the workpiece conveying mechanism is arranged on the rack, is provided with a workpiece taking position and is used for placing a flat workpiece and conveying the flat workpiece to the workpiece taking position;
the picking mechanism is arranged on the rack and is used for transferring the flat object from the picking position to the conveying device; and the number of the first and second groups,
the scanning mechanism is arranged on the rack and is used for scanning one side and the other side of the flat object respectively under the matching of the piece feeding mechanism and the piece taking mechanism so as to read information on the flat object; the workpiece feeding mechanism keeps the flat workpiece in a vertical state, the scanning mechanism scans one side, close to the workpiece taking mechanism, of the flat workpiece at the workpiece taking position, when the workpiece taking mechanism transfers the flat workpiece, the workpiece taking mechanism drives the flat workpiece to do circular motion, the flat workpiece is turned over to the other side of the exposure, and the scanning mechanism scans the other side of the flat workpiece.
2. The workpiece loading device according to claim 1, wherein: the pickup mechanism comprises: the rotary component is rotatably arranged on the rack, and the plurality of pickup components are arranged on the rotary component and drive the pickup components to do circular motion and transfer the flat articles one by one at the pickup positions.
3. The workpiece loading device according to claim 2, wherein: the rotating assembly includes: actuating mechanism, and, by actuating mechanism drive pivoted axis of rotation, it is a plurality of it is that circumference equidistance distributes to get a subassembly in the circumference of axis of rotation.
4. The workpiece loading device according to claim 3, wherein: the pickup assembly comprises: locate the epaxial rotating arm of axis of rotation, and, locate get a anchor clamps on the rotating arm.
5. The workpiece loading device according to claim 4, wherein: the workpiece taking clamp is a sucker assembly, and suction is generated by vacuumizing to suck an object.
6. The workpiece loading device according to claim 5, wherein: the pickup clamp comprises: the vacuum suction nozzle is arranged on the fixed disc.
7. The workpiece loading device according to any one of claims 2 to 6, wherein: get a mechanism and still include: and the induction assembly is used for controlling the pickup assembly to pick up and place the parts.
8. The workpiece loading device according to claim 7, wherein: the sensing assembly includes: the proximity switch is arranged on the pickup assembly, the pickup induction sheet is fixedly arranged on the rack, and the pickup induction sheet is fixedly arranged on the rack; when the proximity switch corresponds to the piece taking induction sheet, the piece taking assembly absorbs the flat piece, and when the proximity switch corresponds to the piece placing induction sheet, the piece taking assembly places the flat piece on the conveying device.
9. The workpiece loading device according to claim 2, wherein: the scanning mechanism includes: the flat object scanning device comprises a first scanning camera and a second scanning camera which are arranged at intervals, the scanning direction of the first scanning camera is arranged towards the piece taking position and is used for scanning one side of the flat object, and the piece taking mechanism drives the flat object to pass through the interval between the first scanning camera and the second scanning camera so that the second scanning camera scans the other side of the flat object.
10. The workpiece loading device according to claim 9, wherein: the second scanning camera is arranged above the piece taking mechanism, and vertically scans the other side of the flat piece downwards when the piece taking assembly drives the flat piece to move to the highest point.
11. The workpiece loading device according to claim 1, wherein: the piece feeding mechanism comprises: the device comprises a belt assembly arranged on the rack, side baffles arranged on two sides of the belt assembly, and a push plate which is enclosed into a placing area for placing the flat object with the belt assembly and the two side baffles, wherein bent edges which are folded mutually are arranged at one ends of the two side baffles close to the piece taking mechanism, and the piece taking position is formed between the two bent edges.
12. A sorting system, comprising: a transfer device and a loading device according to any one of claims 1-11, the transfer device comprising: the mounting bracket is arranged on the conveying piece on the mounting bracket, a plurality of object sorting areas are arranged on the conveying piece, and the two adjacent object sorting areas are adjacent to each other, the center distance between the two object sorting areas is equal to the distance between the two flat objects placed by the piece taking mechanism.
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| CN201910549370.3A CN112122137B (en) | 2019-06-24 | 2019-06-24 | Workpiece feeding device and sorting system |
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