CN108940918B - Material sorting method, mechanism and system - Google Patents
Material sorting method, mechanism and system Download PDFInfo
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- CN108940918B CN108940918B CN201810612832.7A CN201810612832A CN108940918B CN 108940918 B CN108940918 B CN 108940918B CN 201810612832 A CN201810612832 A CN 201810612832A CN 108940918 B CN108940918 B CN 108940918B
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- push plate
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- conveying belt
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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
- B07C5/34—Sorting according to other particular properties
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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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- 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
- B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
- B07C2501/0036—Sorting out metallic particles
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- Discharge Of Articles From Conveyors (AREA)
- Sorting Of Articles (AREA)
Abstract
The invention relates to the technical field of material sorting equipment, in particular to a material sorting method, a material sorting mechanism and a material sorting system. A material conveying belt of the mechanism is connected to a discharge end of a detector, an initial side and a limit side are respectively arranged on the two transverse sides of the material conveying belt, a push plate is mounted on the initial side, the limit side is communicated with a waste material channel, and the push plate can be kept static on the initial side or transversely pushed and reset between the initial side and the limit side; the push pedal is when violently pushing away, by initial side along violently pushing away the route to the extreme side removes to in will pushing into the waste material passageway through the unqualified product of detector affirmation, the push pedal is when reseing, moves to initial side along the route that resets by the extreme side, and does not contact with the product on the material conveyer belt. The mechanism, the system and the method utilize the push plate to directly push the detected unqualified products into the waste material channel, and the subsequent products can not be interfered when the push plate is reset, so that the shutdown is not needed when a plurality of products are subjected to continuous waste material screening.
Description
Technical Field
The invention relates to the technical field of material sorting equipment, in particular to a material sorting method, a material sorting mechanism and a material sorting system.
Background
In the food industry or other industries, metal particles are not allowed to exist in the products after the products are packaged, or other foreign matters or waste products need to be removed in the classification and screening of the products, so that the metal, foreign matters or waste products need to be detected, and the detected waste materials need to be sorted.
In order to detect foreign particles in a product, a gold detection machine or a foreign object detection machine is commonly used for a detection process at present. In the existing detection machine, the following waste sorting methods are commonly adopted:
1. the detection machine automatically stops and gives an alarm when encountering waste materials, namely when detecting that metal particles or foreign matters in products exist in the package, the detection machine automatically stops the operation of the conveyor belt and sounds a buzzer, and production line workers carry out material sorting treatment;
2. the detection machine is provided with a plate turnover mechanism, when the waste is detected, the material conveyor belt does not stop completely but continues to move to convey the waste to a plate turnover area, the waste is guided to the other waste conveyor belt by using the plate turnover, and when the plate turnover mechanism operates, the material conveyor belt needs to be paused for a period of time to prevent the product without problems from entering the waste conveyor belt;
3. and (4) carrying out online picking by using a robot.
When the first mechanism and the second mechanism are in operation, the material conveying belt has a pause time, namely a downtime, so that the material conveying is paused, and the third mechanism finishes the component sorting work by using the robot, so that the production cost is very high, and the cost control is not facilitated.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide a material sorting method, a mechanism and a system, which do not need to stop when waste sorting is carried out.
(II) technical scheme
In order to solve the technical problems, the invention provides a material sorting mechanism which comprises a material conveying belt and a waste material channel, wherein the material conveying belt is connected to the discharge end of a detector, the two transverse sides of the material conveying belt are respectively provided with an initial side and a limit side, the initial side is provided with a push plate, the limit side is communicated with the waste material channel, and the push plate can be kept still at the initial side or transversely pushed and reset between the initial side and the limit side; when the push plate is transversely pushed, the initial side moves towards the limit side along a transverse pushing path so as to push the products which are determined to be unqualified by the detector into the waste material channel, and when the push plate is reset, the limit side moves towards the initial side along a resetting path and does not contact with the products on the material conveying belt.
Preferably, the push plate is vertically connected with a guide post, the guide post is connected with a path plate, and the path plate is used for respectively providing path guide for the transverse pushing path and the resetting path of the push plate.
Preferably, the path plate comprises a limiting frame and a driving sliding block, a driving track for providing path guiding is arranged on the side face of the limiting frame, and the driving sliding block is connected with the guide post and can slide in the driving track to drive the push plate to move along the transverse pushing path or the resetting path.
Preferably, the driving track comprises an initial end and a limit end which are respectively arranged on an initial side and a limit side of the material conveying belt, a horizontal pushing section and a resetting section are respectively communicated between the initial end and the limit end, the horizontal pushing section is horizontally arranged, and the resetting section and the horizontal pushing section are not overlapped;
when the driving slide block stays at the initial end, the driving slide block can drive the push plate to keep still at the initial side of the material conveying belt;
when the driving slide block moves from the initial end to the limit end along the horizontal pushing section, the driving slide block can drive the push plate to transversely push on the material conveying belt along a transverse pushing path;
when the driving slide block moves from the limit end to the initial end along the reset section, the driving slide block can drive the push plate to lift from the material conveying belt and reset along the reset path.
Preferably, the limit end of the driving track is provided with a turning plate capable of turning in a single direction, a connecting rod is hinged between the turning plate and the limit end, and the turning plate is used for guiding the driving sliding block to enter the reset section when the driving sliding block moves from the limit end to the initial end.
Preferably, the limiting frame further comprises a limiting slide way arranged at the upper part of the driving track, a slidable limiting slide block is arranged in the limiting slide way, and the guide column is sleeved in the limiting slide block and can vertically slide in the limiting slide block; and a return spring is arranged between the driving sliding block and the limiting sliding block and sleeved outside the guide post.
Preferably, the push plate is mounted on the initial side of the material conveying belt through a driving mechanism.
Preferably, the driving mechanism comprises a driving cylinder and a piston rod, the driving cylinder is hinged to the initial side of the material conveying belt, one end of the piston rod is sleeved in the driving cylinder and can move in the driving cylinder in a telescopic mode, and the other end of the piston rod is connected with the push plate through a driving shaft.
The invention also provides a material sorting system, comprising:
the detector is used for detecting whether the product is qualified or not;
the material sorting mechanism is arranged at the discharge end of the detector through a mounting frame;
and the controller is respectively connected with the detector and the material sorting mechanism and used for controlling the material sorting mechanism to push unqualified products into the waste material channel after a preset delay time when receiving unqualified product signals sent by the detector.
The invention also provides a material sorting method based on the material sorting device, which comprises the following steps:
s1, the detector sends out the detected product from the discharge end through the material conveyor belt, and sends a signal whether the product is qualified or not to the controller;
the controller is preset with a delay period, wherein the delay period starts when the controller receives the signal and ends when the axis of the product is positioned on the transverse pushing path of the push plate;
s2, if the signal sent to the controller by the detector is a qualified product signal, the controller executes the step S3; if the signal sent to the controller by the detector is a unqualified product signal, the controller executes the steps S4-S6;
s3, the controller controls the push plate to be static at the initial side of the material conveying belt;
s4, under the control of the controller, the push plate is still at the initial side of the material conveying belt within the delay period;
s5, when the delay period is over, the push plate is pushed transversely from the initial side of the material conveying belt to the limit side of the material conveying belt along a transverse pushing path so as to push the products into a waste material channel;
s6, the push plate moves from the limit side of the material conveying belt to the initial side along a resetting path so as to reset the push plate, and the push plate is not in contact with the product on the material conveying belt when being reset.
(III) advantageous effects
The technical scheme of the invention has the following beneficial effects:
1. in the material sorting mechanism, the push plate is respectively provided with a static state and a moving state, and has a transverse pushing path and a resetting path when moving, so that each product detected by the detector can be continuously sorted, the product judged to be qualified by the detector is positioned at the initial side of the material conveying belt, the qualified product is placed, the qualified product enters the subsequent process under the driving of the material conveying belt, and the product judged to be unqualified by the detector is pushed into the waste material channel directly from the material conveying belt by the transverse pushing of the push plate, and the subsequent product passing is not interfered when the push plate is reset, so that the continuous waste material screening of a plurality of products is not required to be stopped The working efficiency is improved, and the economic benefit is improved to the maximum extent under the reasonable cost control condition;
2. in the material sorting mechanism, the driving track and the limiting slide way on the limiting frame are used for cooperatively limiting the push plate, so that the path tracks of the transverse pushing path and the resetting path of the push plate are accurately limited;
3. in the material sorting mechanism, the one-way turnover of the turning plate arranged at the limit end of the driving track is utilized, so that the push plate can move in a one-way manner along the horizontal pushing section and the resetting section of the driving track, and the push plate is ensured to realize the one-way circulation of horizontal pushing and resetting on the material conveying belt;
4. in the material sorting mechanism, the reset spring between the driving slide block and the limiting slide block is utilized to provide reset elastic force for the reset of the push plate, so that the reset spring is compressed when the push plate is reset, and the push plate can be pressed on the material conveying belt under the action of the elastic force when the push plate is reset to the initial side of the material conveying belt, thereby ensuring that the push plate can realize the next transverse pushing;
5. the material sorting system is provided with the mechanism, the material sorting method is provided based on the material sorting system, and the system and the method can realize the effect of delayed sorting by using the mechanism under the control of the controller, so that the mechanism can reasonably sort each product detected by the detector, and the continuity and the accuracy of sorting are ensured.
Drawings
Fig. 1 is a schematic view of a push plate of a material sorting mechanism according to an embodiment of the present invention in a state of an initial side;
fig. 2 is a schematic view illustrating a state of a push plate of the material sorting mechanism according to the embodiment of the present invention in a transverse pushing process;
fig. 3 is a schematic view of a push plate of the material sorting mechanism according to the embodiment of the present invention in a state of being at a limit side;
fig. 4 is a schematic diagram illustrating a state of a push plate of the material sorting mechanism according to the embodiment of the present invention when the push plate is reset;
FIG. 5 is a perspective view of a path plate according to an embodiment of the present invention;
fig. 6 to 12 are schematic diagrams illustrating a plurality of transient states of the driving slider moving along the driving path according to the embodiment of the present invention.
Wherein, 1, a material conveying belt; 2. a waste channel; 3. unqualified products; 4. pushing the plate; 5. a drive cylinder; 6. a drive shaft; 7. a path plate; 8. a mounting frame; 9. a return spring; 10. a guide post; 11. a limiting slide block; 12. a waste conveyor; 13. a piston rod; 71. a limiting frame; 72. a horizontal pushing section; 73. a reset segment; 74. driving the slide block; 75. turning over a plate; 76. a connecting rod; 77. a limiting slide way; 78. and (7) closing the plate.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified. The terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention.
As shown in fig. 1 to fig. 3, the material sorting mechanism provided by this embodiment includes a material conveying belt 1 and a waste material channel 2, the material conveying belt 1 is connected at the discharging end of the detector, the two lateral sides of the material conveying belt 1 are respectively provided with an initial side and a limit side, a push plate 4 is installed at the initial side, the limit side is communicated with the waste material channel 2, and the push plate 4 is respectively provided with a static state and a moving state, so that the push plate 4 can be kept static at the initial side or moved between the initial side and the limit side. In particular, the pusher 4 has a lateral pushing path and a return path when moving, so as to push laterally and return between the initial side and the extreme side of the material conveyor 1.
When the push plate 4 is static at the initial side of the material conveying belt 1, as shown in fig. 1, if the product on the material conveying belt 1 is qualified, the push plate 4 keeps a static state; if the product on the material conveying belt 1 is unqualified and the unqualified product 3 is in the delay period, the push plate 4 is also kept in a static state temporarily until the delay period is finished.
As shown in fig. 2, the pusher 4 moves from the initial side to the extreme side along the traverse path during the traverse to quickly push the products 3 identified as defective by the detector into the waste channel 2 and to feed the defective products into the waste conveyor 12 through the waste channel 2; as shown in fig. 3, the push plate 4 moves from the extreme side to the initial side of the material conveyor belt 1 along the reset path when being reset, and in this embodiment, the reset path is preferably higher than the transverse push path, so that the push plate 4 is lifted to a certain height to ensure that the push plate 4 does not contact with the product on the material conveyor belt 1.
The mechanism can continuously and uninterruptedly sort each product detected by the detector, and for the product judged to be qualified by the detector, the push plate 4 is static at the initial side of the material conveying belt 1, so that the qualified product is put through, and is driven by the material conveying belt 1 to enter the subsequent working procedures; to judging unqualified product 3 by the detector, this mechanism can utilize the delay period to make push pedal 4 keep quiescent condition to wait for behind unqualified product 3 reachs the entry position of waste material passageway 2, in transversely pushing away the direct waste material passageway 2 of pushing away of the material conveyer belt 1 of unqualified product 3 through push pedal 4, and can not disturb subsequent product when push pedal 4 resets and pass through, need not the shut down when guaranteeing that this mechanism carries out continuous waste material screening to a plurality of products. Compared with the prior art, the mechanism is simpler in structure, production cost can be reduced, working efficiency can be improved, and economic benefits can be improved to the maximum extent under reasonable cost control conditions.
In order to provide reliable driving force for the movement of the push plate 4, preferably, the push plate 4 is installed on the initial side of the material conveying belt 1 through a driving mechanism, the driving mechanism comprises a driving cylinder 5 and a piston rod 13, the driving cylinder 5 is hinged on the initial side of the material conveying belt 1, one end of the piston rod 13 is sleeved in the driving cylinder 5 and can move in a telescopic mode along the driving cylinder 5, and the other end of the piston rod is connected with the push plate 4 through a driving shaft 6.
In order to accurately and reliably limit the transverse pushing posture and the moving track of the push plate 4, preferably, a guide column 10 is vertically connected to the push plate 4, the guide column 10 is connected with a path plate 7, and the path plate 7 is used for respectively providing path guidance for a transverse pushing path and a resetting path of the push plate 4; preferably, the guide post 10 sets up at the top of push pedal 4, and the top and the bottom of guide post 10 are connected respectively on path board 7 to it is spacing through the both ends to guide post 10, thereby guarantee that push pedal 4 keeps upright state when removing, can utilize the surface of push pedal 4 and produce the face contact between the unqualified product 3, thereby adopt the most laborsaving violently push away the angle and push in waste material passageway 2 with unqualified product.
In order to provide more accurate path guidance for the push plate 4, preferably, the path plate 7 includes a limiting frame 71 and a driving slider 74, a driving rail for providing path guidance is provided on a side surface of the limiting frame 71, and the driving slider 74 is connected with the guide post 10 and can slide in the driving rail to drive the push plate 4 to move along the transverse pushing path or the resetting path; in order to prevent the driving slider 74 from derailing, a sealing plate 78 is further provided outside the driving rail, and a sealing rail having the same track as the driving rail is provided on the sealing plate 78, but the width of the sealing rail is smaller than that of the driving rail, so that the outer edge of the driving slider 74 can be sealed in the driving rail without interfering with the path of the driving slider 74.
The drive track of this embodiment is including setting up initial end and the extreme end on the initial side and the extreme side of material conveyer belt 1 respectively, it has flat section 72 and the section of reseing 73 to communicate respectively between this drive track's initial end and the extreme end, flat section 72 level that pushes away sets up, do not overlap between section 73 and the flat section 72 that pushes away, thereby make push pedal 4 violently push away and reset under drive slider 74's drive, and push pedal 4 violently push away the route and reset the route not the same route, and then make push pedal 4's removal route be one-way circulative route.
As shown in fig. 6 to 12, in order to prevent the driving slider 74 from being mistakenly inserted into the horizontal pushing section 72 during resetting and cause the pushing plate 4 during resetting to push the product transversely and reversely away from the material conveying belt 1, a reverse turning plate 75 capable of turning in one direction is preferably arranged at the extreme end of the driving track, the reverse turning plate 75 is hinged with the extreme end through a connecting rod 76, and the reverse turning plate 75 is used for guiding the driving slider 74 into the resetting section 73 when the driving slider 74 moves from the extreme end to the initial end.
Specifically, as shown in fig. 6, when the initial end of the driving slider 74 starts to slide to the limit end through the horizontal pushing section 72, the driving slider 74 and the turning plate 75 are not in contact with each other, so that the turning plate 75 is naturally overlapped at the bottom of the horizontal pushing section 72 under the action of gravity; as shown in fig. 7, when the driving slider 74 passes through the turning plate 75, the turning plate 75 is pushed forward by the driving slider 74, so that the driving slider 74 is pushed by the connecting rod 76 to be lifted relative to the limit end, so that the driving slider 74 can enter the limit end in the forward direction; as shown in fig. 8 and 9, when the driving slider 74 reaches the limit end, the flap 75 is no longer pushed by the driving slider 74 and falls back to the bottom of the horizontal pushing section 72 again under the action of gravity, at this time, the front surface of the flap 75 forms a guide channel communicated with the resetting section 73, and the back surface of the flap 75 faces the horizontal pushing section 72, so that a blocking plate of the horizontal pushing section 72 is formed by the flap 75; as shown in fig. 10 and 11, when the material conveying belt is reset, the driving slider 74 slides into the reset section 73 through the guide channel, so as to drive the pushing plate 4 to rise, so that the pushing plate 4 is not in contact with the product on the material conveying belt 1, that is, the height difference between the bottom of the pushing plate 4 and the surface of the material conveying belt 1 is greater than the height of the product; as shown in fig. 12, the driving slider 74 passes through the reset section 73 and then falls back to the initial end, thereby completing one cycle of the moving path of the push plate 4.
It should be noted that the driving path of the present embodiment may be set to be trapezoidal or polygonal, besides the above-mentioned horizontal D-shape, as long as the bottom of the driving path is ensured to be provided with the horizontal pushing section 72; similarly, the resetting section 73 can be set as a multi-segment line or a curve, so long as the resetting section 73 is ensured not to coincide with the horizontal pushing section 72, and other intersection points are not available except for the end points at the two ends, so that the push plate 4 can be ensured not to fall back to the horizontal pushing height when resetting, and the interference of the push plate 4 on subsequent products on the material conveying belt 1 is prevented.
The limiting frame 71 of this embodiment further includes a limiting slide way 77 disposed on the upper portion of the driving rail, a slidable limiting slide block 11 is disposed in the limiting slide way 77, and the guide post 10 is sleeved in the limiting slide block 11 and can vertically slide in the limiting slide block 11, so that when the push plate 4 is laterally pushed and reset, the posture of the push plate 4 is ensured to be kept upright by the vertical movement of the guide post 10; a return spring 9 is arranged between the driving sliding block 74 and the limiting sliding block 11, and the return spring 9 is sleeved outside the guide post 10, so that reliable pressure in the vertical direction is provided for transverse pushing and resetting of the push plate 4 by utilizing the telescopic force of the return spring 9.
In the limiting frame 71, the driving track is connected with the bottom of the guide post 10 through the driving slide block 74, the limiting slide way 77 is connected with the top of the guide post 10 through the limiting slide block 11, and the bottom of the guide post 10 is connected with the push plate 4, due to the cooperative limiting action of the two ends of the guide post 10, the push plate 4 can keep a vertical state when moving, and can be guaranteed to be accurately limited, so that the pushing reliability of the push plate 4 to a product is improved.
When the driving slide block 74 stays at the initial end, the pushing plate 4 can be driven to keep still at the initial side of the material conveying belt 1, at the moment, the piston rod 13 of the driving mechanism retracts in the driving cylinder 5, the driving slide block 74 is located at the initial end of the driving path, and the return spring 9 outside the guide post 10 is in a natural state, so that the return spring 9 does not apply elasticity to the guide post 10, preferably, the pushing plate 4 at the moment is in contact with the material conveying belt 1 or the gap between the pushing plate 4 and the material conveying belt 1 is not larger than half of the height of a product, so that the pushing plate 4 can be convenient to apply force when transversely pushing the product, and the pushing plate 4.
When the driving slide block 74 moves from the initial end to the limit end along the horizontal pushing section 72, the pushing plate 4 can be driven to transversely push on the material conveying belt 1 along the transverse pushing path, and the top end of the guide post 10 synchronously pushes the limiting slide block 11 to transversely slide in the limiting slide way 77; in other words, when the push plate 4 is pushed laterally, the piston rod 13 of the driving mechanism extends outward, and the driving cylinder 5 is in a horizontal state, the piston rod 13 pushes the push rod to push laterally, so as to drive the driving slider 74 to move from the initial end of the driving path to the limit end along the horizontal pushing section 72, and at the same time, the top of the guide post 10 pushes the limit slider 11 to slide in the limit slideway 77 laterally; when the driving slider 74 slides over the turning plate 75 at the limit end, the turning plate 75 is hinged at the limit end through the connecting rod 76, so that the turning plate 75 can be pushed and lifted by the driving slider 74, the driving slider 74 is driven into the limit end and then falls back onto the horizontal pushing section 72 again, the horizontal pushing section 72 is isolated from the limit end, and the push plate 4 is limited at the limit side of the material conveying belt 1.
When the driving slide block 74 moves from the limit end to the initial end along the reset section 73, the driving slide block can drive the push plate 4 to be lifted from the material conveying belt 1 and reset along the reset path; in other words, when the push plate 4 is reset, the piston rod 13 of the driving mechanism retracts inwards, and pulls the push rod to rise and reset, so that the driving slider 74 is driven to move from the limit end of the driving path to the initial end along the reset section 73, meanwhile, the top of the guide post 10 transversely pushes the limit slider 11 to slide in the limit slideway 77, the guide post 10 vertically extends upwards along the limit slider 11 and compresses the reset spring 9, and in the process, the driving cylinder 5 changes the angle along with the vertical movement of the guide post 10; specifically, when the driving slider 74 slides into the reset section 73, the turning plate 75 provides a supporting force for the driving slider 74, so that the turning plate 75 cannot return to the horizontal pushing section 72, and because the reset section 73 is higher than the horizontal pushing section 72, the push plate 4 can be lifted when being reset, and the reset spring 9 is compressed, so that the guide post 10 is pushed to vertically rise along the limiting slider 11, and vertically fall back when the driving slider 74 returns to the initial end, and the falling speed of the push plate 4 is accelerated under the elastic action of the reset spring 9.
In the above-described mechanism, in order to perform continuous sorting after a plurality of products are continuously detected by the detection machine, it is preferable that each resetting of the push plate 4 is completed within a time difference between two products passing through the push plate 4 in succession, that is, each time the push plate 4 is reset to the initial side, the next product passes through the push plate 4.
Based on the material sorting mechanism, the embodiment also provides a material sorting system and a material sorting method according to the system. The system and the method can realize the effect of delayed sorting by using the mechanism under the control of the controller, so that the mechanism can reasonably sort each product detected by the detector, and the continuity and the accuracy of sorting are ensured.
Specifically, the system includes a detector, a material sorting mechanism as described above, and a controller. The detector is used for detecting whether qualified products, the material sorting mechanism is installed at the discharge end of the detector through the mounting frame 8, the product after the detection is completed is sorted, unqualified products 3 are pushed into the waste material channel 2 through the material conveying belt 1, the controller is connected with the detector and the material sorting mechanism respectively, the unqualified products are pushed into the waste material channel 2 after a preset delay period by the material sorting mechanism when unqualified products signals sent by the detector are received.
The material sorting method comprises the following steps:
s1, the detector sends out the detected product from the discharge end through the material conveyor belt 1, and sends a signal whether the product is qualified or not to the controller; wherein the controller is preset with a delay period which starts when the controller receives a signal and ends when the axis of the product is located on the transverse pushing path of the push plate 4.
S2, if the signal sent to the controller by the detector is a qualified product signal, the controller executes the step S3; and if the signal sent to the controller by the detector is a product failure signal, the controller executes the steps S4 to S6.
S3, the controller controls the push plate 4 to rest on the initial side of the material conveyor belt 1.
S4, under the control of the controller, the pusher 4 is stationary at the initial side of the material conveyor 1 within a delay period.
S5, the pusher 4 pushes laterally from the initial side of the material conveyor 1 along a lateral push path to the extreme side of the material conveyor 1 at the end of the delay period to push the product into the waste channel 2.
And S6, the push plate 4 moves from the limit side of the material conveying belt 1 to the initial side along the reset path so as to reset the push plate 4, and the push plate 4 is not contacted with the product on the material conveying belt 1 when being reset.
In the step S1, the detector may detect the sequence of the plurality of products, and send a signal to the controller every time a product is detected, and the detector specifically executes the step S3 or executes the steps S4 to S6 according to the type of the received signal, so as to continuously and uninterruptedly sort the plurality of products, and the detector does not need to stop or slow down during the detection and sorting process, thereby having high efficiency of product detection and sorting.
To sum up, in the material sorting mechanism of this embodiment, the pushing plate 4 is respectively set in a stationary state and a moving state, and has a transverse pushing path and a resetting path when moving, so as to continuously and uninterruptedly sort each product detected by the detector, and for a product judged to be qualified by the detector, the pushing plate 4 is stationary at the initial side of the material conveyor belt 1, so as to put the qualified product, so as to enter the subsequent process under the driving of the material conveyor belt 1, and for a product 3 judged to be unqualified by the detector, the mechanism can directly push the unqualified product 3 from the material conveyor belt 1 into the waste material channel 2 by the transverse pushing of the pushing plate 4, and will not interfere with the subsequent product passing when the pushing plate 4 is reset, so as to ensure that the machine does not need to be stopped when a plurality of products are continuously screened with waste materials, compared with the prior art, the mechanism is simpler in structure, and can reduce the production cost, improve the working efficiency and furthest improve the economic benefit under the reasonable cost control condition.
Meanwhile, the mechanism utilizes the driving track on the limit frame 71 and the limit slide rail 77 to cooperatively limit the push plate 4, so as to accurately limit the path tracks of the transverse pushing path and the resetting path of the push plate 4; the mechanism utilizes the unidirectional turnover of a turnover plate 75 arranged at the extreme end of the driving track to ensure that the push plate 4 can move unidirectionally along the horizontal pushing section 72 and the resetting section 73 of the driving track, thereby ensuring that the push plate 4 realizes unidirectional circulation of horizontal pushing and resetting on the material conveying belt 1; this mechanism utilizes reset spring 9 between drive slider 74 and the spacing slider 11, for the elasticity that resets of push pedal 4 provides, thereby guarantees push pedal 4 when resetting, and reset spring 9 is compressed, thereby when push pedal 4 resets to the initial side of material conveyer belt 1, can press push pedal 4 on material conveyer belt 1 through the elastic force effect, thereby ensures that push pedal 4 can realize violently pushing next time.
The material sorting system of the embodiment is provided with the mechanism, the material sorting method of the embodiment is provided based on the material sorting system, and the system and the method can realize the delayed sorting effect by utilizing the mechanism under the control action of the controller, so that the mechanism can reasonably sort each product detected by the detector, and the sorting continuity and accuracy are ensured.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. A material sorting mechanism is characterized by comprising a material conveying belt and a waste material channel, wherein the material conveying belt is connected to the discharge end of a detector, an initial side and a limit side are respectively arranged on two transverse sides of the material conveying belt, a push plate is mounted on the initial side, the limit side is communicated with the waste material channel, and the push plate can be kept static on the initial side or transversely pushed and reset between the initial side and the limit side; when the push plate is pushed transversely, the initial side moves to the limit side along a transverse pushing path so as to push the products which are determined to be unqualified by the detector into the waste material channel, and when the push plate is reset, the limit side moves to the initial side along a resetting path and does not contact with the products on the material conveying belt;
the push plate is vertically connected with a guide post, the guide post is connected with a path plate, and the path plate is used for respectively providing path guide for a transverse pushing path and a resetting path of the push plate; the path plate comprises a limiting frame and a driving sliding block, a driving rail used for providing path guiding is arranged on the side face of the limiting frame, and the driving sliding block is connected with the guide post and can slide in the driving rail so as to drive the push plate to move along a transverse pushing path or a resetting path.
2. The material sorting mechanism according to claim 1, wherein the driving track comprises an initial end and a limit end which are respectively arranged on an initial side and a limit side of the material conveying belt, a horizontal pushing section and a reset section are respectively communicated between the initial end and the limit end, the horizontal pushing section is horizontally arranged, and the reset section and the horizontal pushing section are not overlapped;
when the driving slide block stays at the initial end, the driving slide block can drive the push plate to keep still at the initial side of the material conveying belt;
when the driving slide block moves from the initial end to the limit end along the horizontal pushing section, the driving slide block can drive the push plate to transversely push on the material conveying belt along a transverse pushing path;
when the driving slide block moves from the limit end to the initial end along the reset section, the driving slide block can drive the push plate to lift from the material conveying belt and reset along the reset path.
3. The material sorting mechanism according to claim 2, wherein the limit end of the driving track is provided with a turning plate capable of turning in one direction, a connecting rod is hinged between the turning plate and the limit end, and the turning plate is used for guiding the driving slide block into the reset section when the driving slide block moves from the limit end to the initial end.
4. The material sorting mechanism according to claim 1, wherein the limiting frame further comprises a limiting slide way arranged at the upper part of the driving track, a slidable limiting slide block is arranged in the limiting slide way, and the guide column is sleeved in the limiting slide block and can vertically slide in the limiting slide block; and a return spring is arranged between the driving sliding block and the limiting sliding block and sleeved outside the guide post.
5. The material sorting mechanism according to any one of claims 1-4, wherein the push plate is mounted on the initial side of the material conveyor belt by a drive mechanism.
6. The material sorting mechanism according to claim 5, wherein the driving mechanism comprises a driving cylinder and a piston rod, the driving cylinder is hinged to the initial side of the material conveying belt, one end of the piston rod is sleeved in the driving cylinder and can move in a telescopic mode along the driving cylinder, and the other end of the piston rod is connected with the push plate through a driving shaft.
7. A material sorting system, comprising:
the detector is used for detecting whether the product is qualified or not;
the material sorting mechanism according to any one of claims 1-6, mounted at the discharge end of the detector by a mounting bracket;
and the controller is respectively connected with the detector and the material sorting mechanism and used for controlling the material sorting mechanism to push unqualified products into the waste material channel after a preset delay time when receiving unqualified product signals sent by the detector.
8. The material sorting method proposed by the material sorting system according to claim 7, characterized by comprising the steps of:
s1, the detector sends out the detected product from the discharge end through the material conveyor belt, and sends a signal whether the product is qualified or not to the controller;
the controller is preset with a delay period, wherein the delay period starts when the controller receives the signal and ends when the axis of the product is positioned on the transverse pushing path of the push plate;
s2, if the signal sent to the controller by the detector is a qualified product signal, the controller executes the step S3; if the signal sent to the controller by the detector is a unqualified product signal, the controller executes the steps S4-S6;
s3, the controller controls the push plate to be static at the initial side of the material conveying belt;
s4, under the control of the controller, the push plate is still at the initial side of the material conveying belt within the delay period;
s5, when the delay period is over, the push plate is pushed transversely from the initial side of the material conveying belt to the limit side of the material conveying belt along a transverse pushing path so as to push the products into a waste material channel;
s6, the push plate moves from the limit side of the material conveying belt to the initial side along a resetting path so as to reset the push plate, and the push plate is not in contact with the product on the material conveying belt when being reset.
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