CN204044021U - Corn unit weight on-line detector - Google Patents

Corn unit weight on-line detector Download PDF

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Publication number
CN204044021U
CN204044021U CN201420532514.7U CN201420532514U CN204044021U CN 204044021 U CN204044021 U CN 204044021U CN 201420532514 U CN201420532514 U CN 201420532514U CN 204044021 U CN204044021 U CN 204044021U
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row
corn
grain roller
unit weight
plate frame
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CN201420532514.7U
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吴文福
韩峰
张亚秋
刘哲
李洪莉
吴玉柱
徐岩
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Jilin University
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Jilin University
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Abstract

The utility model discloses a kind of corn unit weight on-line detector, comprise fixed volume draining crop mechanism and be located at the automatic turning Weighing mechanism in receiving hopper, fixed volume draining crop mechanism comprises delivery plate frame, row's grain roller is rotatably installed in delivery plate frame, and row's grain roller outer wall is evenly equipped with isopyknic scalloped recess; Power source is arranged on delivery plate frame side and is in transmission connection with row grain roller one end; Counting component is located between delivery plate frame opposite side and row's grain roller; Limit material bottom plate inclined to be set in delivery plate frame and to be positioned at after row's grain roller; Automatic turning Weighing mechanism comprises connection base, and two pressure transducer symmetries are fixed on and connect on base; The semicircle tipping bucket that centre is provided with dividing plate to be hinged in connection bracket and to be fixedly supported on two pressure transducers by connection bracket.Advantage is: automaticity is high, good reliability high without the need to manual operation, control accuracy, and can realize detecting the real-time online of corn unit weight, testing result accurately and reliably.

Description

Corn unit weight on-line detector
Technical field
The utility model relates to a kind of corn unit weight pick-up unit, particularly a kind of corn unit weight on-line detector being applicable to use in the Grain Drying Process such as corn.
Background technology
The standard that unit weight detects as corn quality is the comprehensive mark that domestic and international grain quality detects, and is also the leading indicator that domestic and international Class of food crop judges and grain technological quality is evaluated.GB1353-2009 " corn " national standard, quality index is determined with unit weight, the weight (g/L) of grain seed in unit volume, its degree of ripeness to corn, yield rate are relevant with nutritional labeling, being the index that can be used as to weigh corn quality quality, is the concentrated expression of Seed shape, size, quality, regularity, Germplasms quality, the ventral groove depth etc.Unit weight is also international testing index, can reflect the quality of grain more scientifically and rationally.Therefore, research corn unit weight detection method and pick-up unit, all have important practical significance to corn seeding, processing, storage, transport and drying process design etc.
Current corn unit weight detects and generally adopts hammer type liter weighing tester, be applicable to the detection of granule grain as HGT-1000 type liter weighing tester and grade judges (as wheat class), HGT-1000A type liter weighing tester is applicable to the detection of bulky grain grain and determines etc. (as beans, corn etc.).But this type of liter weighing tester, cost is higher, running program is complicated, need manual operation, inefficiency, error are comparatively large, poor repeatability.
Chinese Patent Application No. is that ZL200620028928.1 provides one " vibration cereal weight ", comprises electronic weighing unit, unit weight metering units, material storage unit, vibrating transportation unit and shell.Material to be measured loads the hopper of material storage unit, and micro-Vib. makes chute feeder produce resonance under vibrational excitation, is evenly sent to by the material in hopper in the capacity cup of volumetric metering unit; Remove too much material by the clear material plate of volumetric metering unit, weighing unit is measured quality of material in volumetric metering single-unit container, and is converted to value of bulk density.It is easy to operate, but cannot continuous coverage, needs hand charging discharging, cannot realize all automatic measurement.
The Cleaning Principle of the present unit weight detector of comprehensive analysis and process, generally have running program complexity, need manual operation, the problems such as poor repeatability, is unfavorable for continuous coverage and eliminates error.
Summary of the invention
The purpose of this utility model to provide a kind of corn unit weight on-line detector, and its automaticity is high, good reliability high without the need to manual operation, control accuracy, and can realize detecting the real-time online of corn unit weight, testing result accurately and reliably.
For achieving the above object, the utility model adopts following technical scheme:
A kind of corn unit weight on-line detector, comprise fixed volume draining crop mechanism and be located at the automatic turning Weighing mechanism in a receiving hopper, described fixed volume draining crop mechanism comprises:
Delivery plate frame is the rectangular frame that thin plate surrounds, for the row's of installation grain roller;
Described row's grain roller is rotatably installed in delivery plate frame and two ends and is passed by delivery plate frame both sides, and the outer circumferential walls of row's grain roller is evenly equipped with isopyknic scalloped recess, for discharging isopyknic corn;
Power source, is arranged on delivery plate frame side and is in transmission connection with row grain roller one end, rotating for the row's of driving grain roller;
Counting component, is located between delivery plate frame opposite side and row's grain roller, for the rotating cycle of the row's of statistics grain roller;
Limit material base plate, to be tiltingly fixed in delivery plate frame and to be positioned at after row's grain roller, and the segmental arc in the middle part of limit material base plate, near row's grain roller outer rim, falls in automatic turning Weighing mechanism for avoiding corn by arranging grain roller rear;
Described automatic turning Weighing mechanism comprises:
Connect base, be located in described receiving hopper, for setting pressure sensor;
Described pressure transducer is two and symmetry is fixed on connection base, for weighing the weight of corn on tipping bucket;
Described tipping bucket is for semicircle and centre is provided with dividing plate, and be hinged in a connection bracket in the middle part of tipping bucket, described connection bracket is fixedly supported on two pressure transducers, for carrying corn to weigh.
As preferred further, described counting component comprises the optoelectronic switch support being fixed on described delivery plate frame opposite side, and optoelectronic switch installed by optoelectronic switch support, is fixed with code-disc at described row's grain roller other end, code-disc outer rim is provided with the notch corresponding with optoelectronic switch, for triggering optoelectronic switch.
As preferred further, the quantity of described scalloped recess is three.
As further preferably, be positioned in delivery plate frame above row's grain roller and be provided with material level baffle plate, to control the discharge rate of corn.
As further preferably, on front side of delivery plate frame, be fixed with wedge shape striker plate, so that realize concentrating discharge.
As preferred further, the side plate of described receiving hopper is provided with a proximity switch, and optoelectronic switch, the pressure transducer of described counting component are connected with single-chip microcomputer respectively with proximity switch, and the data output end of single-chip microcomputer connects host computer.
As further preferably, being provided with in the front side of described receiving hopper can the movable baffle plate of manual plug-in mounting, so that the handling to automatic turning Weighing mechanism.
As preferred further, be positioned in described tipping bucket above dividing plate and be provided with a balance stem, balance stem two ends are passed by tipping bucket both sides and are provided with balance nut, by the balance of the adjustable tipping bucket both sides of balance nut.
As preferred further, be positioned in described tipping bucket below dividing plate and be fixed with coupling shaft, coupling shaft two ends are passed by tipping bucket both sides and are hinged in connection bracket.
The beneficial effects of the utility model are:
1, due to arranging grain roller outer wall along the uniform scalloped recess of its circumferencial direction, can be carried by scalloped recess and discharging the corn of fixed volume, detecting by counting component the automatic assay that the number of turns of arranging the rotation of grain roller just can realize corn volume.
2, because automatic turning Weighing mechanism adopts pressure transducer to support semicircle tipping bucket, can realize automatically measuring the corn weight of the certain volume that row's grain roll row goes out, thus the unit weight of surveyed corn just can be calculated by host computer, whole testing process need not manual operation, automaticity is high, good reliability high without the need to manual operation, control accuracy, and testing result accurately and reliably.
3, this corn unit weight on-line detector can be arranged on the delay section of grain drier, the unit weight of corn in on-line continuous detection of dynamic dry run can be realized, automaticity and work efficiency high, the degree of drying of corn in grain drier can be detected in real time.
Accompanying drawing explanation
Fig. 1 is the perspective view of the utility model corn unit weight on-line detector.
Fig. 2 is the utility model corn unit weight on-line detector front view.
Fig. 3 is the utility model corn unit weight on-line detector right view.
Fig. 4 is the A portion partial enlarged drawing of Fig. 3.
Fig. 5 is the B-B cut-open view (removing striker plate) of Fig. 2.
Fig. 6 is the utility model grain discharging wheel three-dimensional structure diagram.
Fig. 7 is the three-dimensional structure diagram of the utility model automatic turning Weighing mechanism.
Fig. 8 is the front view of the utility model automatic turning Weighing mechanism.
Fig. 9 is workflow diagram of the present utility model.
Figure 10 is signal transacting block diagram of the present utility model.
Figure 11 is the scheme of installation of the utility model corn unit weight on-line detector.
In figure: receiving hopper 1, optoelectronic switch support 2, optoelectronic switch 3, code-disc 4, notch 401, delivery plate frame 5, connect flange 501, material level baffle plate 6, row's grain roller 7, power source 8, striker plate 9, tipping bucket 10, dividing plate 1001, movable baffle plate 11, proximity switch 12, electric machine support 13, shaft coupling 14, bearing seat 15, limit material base plate 16, balance nut 17, balance stem 18, coupling shaft 19, connection bracket 20, pressure transducer 21, connect base 22, single-chip microcomputer 23, host computer 24, fixed volume draining crop mechanism 25, automatic turning Weighing mechanism 26, grain drier 27, stream grain flexible pipe 28, row's grain auger 29.
Embodiment
As shown in Figure 1-Figure 3, this corn unit weight on-line detector comprises fixed volume draining crop mechanism 25 and a receiving hopper 1, fixed volume draining crop mechanism 25 and receiving hopper about 1 arrange the delay section being arranged on grain drier 27, are provided with automatic turning Weighing mechanism 26 in receiving hopper 1.The charging aperture 2501 of described fixed volume draining crop mechanism 25 docks with the discharging opening being located at grain drier 27 delay section, in the middle part of the tipping bucket 10 of the corresponding automatic turning Weighing mechanism 26 of discharge gate 2502 of described fixed volume draining crop mechanism 25.
Described fixed volume draining crop mechanism 25 comprises the delivery plate frame 5 be bolted on grain drier 27, the rectangular frame that delivery plate frame 5 surrounds for thin plate, for the row's of installation grain roller 7.The biside plate rear end of delivery plate frame 5 is arranged with and connects flange 501, fixes delivery plate frame 5 for erection bolt.Described row's grain roller 7 is by the ladder shaft member of iron casting, row's grain roller 7 is rotatably installed in delivery plate frame 5 and two ends by two bearing seats 15 and bearing and is passed by delivery plate frame 5 both sides, and described bearing seat 15 is respectively by being bolted to delivery plate frame 5 both sides.As shown in Figure 6, the main body outer circumferential walls in the middle part of row's grain roller 7 is evenly equipped with isopyknic scalloped recess 701, as preferably, in the present embodiment, the quantity of scalloped recess 701 is three, for discharging isopyknic corn.In delivery plate frame 5 side, power source 8 be installed and be in transmission connection with row grain roller 7 one end, as preferably, the present embodiment medium power source 8 is monophase machine and is fixed on delivery plate frame 5 by electric machine support 13, motor output shaft is connected by shaft coupling 14 with row grain roller 7 one end, rotates for the row's of driving grain roller 7.
As shown in Figure 1 and Figure 4, between delivery plate frame 5 opposite side and row's grain roller 7, counting component is provided with, for the rotating cycle of the row's of statistics grain roller 7.Described counting component comprises the optoelectronic switch support 2 being bolted on described delivery plate frame 5 opposite side, optoelectronic switch support 2 is provided with groove type photoelectric switch 3, code-disc 4 is fixed with by screw at the other end of described row's grain roller 7, code-disc 4 is between the inside groove of optoelectronic switch 3, code-disc 4 outer rim is provided with the notch 401 corresponding with the power valve of optoelectronic switch 3 and receiving tube, for triggering optoelectronic switch 3.
As shown in Figure 1 and Figure 5, in delivery plate frame 5 and be positioned at row's grain roller 7 be fixed with tilting limit material base plate 16 below, be arc-shaped in the middle part of limit material base plate 16 and this segmental arc close row grain roller 7 outer rim, namely coordinating with row's grain roller 7 main body small―gap suture, falling in automatic turning Weighing mechanism 26 by arranging grain roller 7 rear for avoiding corn.Be positioned in delivery plate frame 5 above row's grain roller 7 and be fixed with material level baffle plate 6 by screw, material level baffle plate 6 lower end to the back sweep of row's grain roller 7, to control the discharge rate of corn.Wedge shape striker plate 9 wide at the top and narrow at the bottom is fixed with, so that realize concentrating discharge on front side of delivery plate frame 5.Described limit expects the charging aperture 2501 forming described fixed volume draining crop mechanism 25 between the biside plate of edge and delivery plate frame 5 on base plate 16 and top board, forms the discharge gate 2502 of described fixed volume draining crop mechanism 25 between the biside plate of described limit material base plate 16 times edges and delivery plate frame 5 and striker plate 9.
As shown in Figure 7 and Figure 8, described automatic turning Weighing mechanism 26 comprises one and connects base 22, connects base 22 and is fixed by screws in described receiving hopper 1, for setting pressure sensor 21.Described pressure transducer 21 is two and symmetry is fixed on and connects on base 22, two pressure transducers 21 connect on base 22 away from end respectively by being bolted to, the opposite end suspension of two pressure transducers 21.On two pressure transducers 21, be supported with a grooved connection bracket 20, the opposite end of connection bracket 20 and two pressure transducers 21 is bolted to connection.Connection bracket 20 is hinged with a semicircle tipping bucket 10, for carrying corn to weigh.Described tipping bucket 10 comprises rectangular base plate and is located at the semicircle end plate of base plate both sides, and in tipping bucket 10, centre position is vertically fixed with dividing plate 1001, and described tipping bucket 10 is divided into two parts by dividing plate 1001.In tipping bucket 10, middle part is positioned at below dividing plate 1001 and is fixed with coupling shaft 19, and coupling shaft 19 two ends are passed by tipping bucket 10 both sides end plate and are hinged in connection bracket 20.Be positioned in tipping bucket 10 above dividing plate 1001 and be provided with a balance stem 18, balance stem 18 two ends pass and are provided with balance nut 17 by tipping bucket 10 both sides end plate, by the balance of balance nut 17 adjustable tipping bucket 10 both sides.The side plate of described receiving hopper 1 is positioned at tipping bucket 10 side and is provided with a proximity switch 12, as preferably, described proximity switch 12 is capacitive approach switch 12, for judging whether tipping bucket 10 overturns, when there being object to shift to this capacitive approach switch 12, no matter whether this object is conductor, capital makes the specific inductive capacity of electric capacity change, thus electric capacity is changed, the circuit state be connected with proximity switch 12 measuring head is also changed thereupon, being just switched on or switched off of controllable switch.When tipping bucket 10 turns over to proximity switch 12 side, proximity switch 12 is in on-state; When tipping bucket 10 turns over from proximity switch 12 side, proximity switch 12 is in off-state.Being provided with in the front side of receiving hopper 1 can the movable baffle plate 11 of manual plug-in mounting, so that the handling to automatic turning Weighing mechanism 26.
As shown in Figure 10, optoelectronic switch 3, the pressure transducer 21 of described counting component are connected with a single-chip microcomputer 23 respectively with proximity switch 12, and the data output end of single-chip microcomputer 23 connects host computer 24.Send the data of collection to host computer 24 by single-chip microcomputer 23, complete the process of data, calculating and display by host computer 24.
As shown in figure 11, during installation, fixed volume draining crop mechanism 25 and receiving hopper about 1 are arranged the delay section being arranged on grain drier 27, receiving hopper 1 lower end is communicated with row's grain auger 29 of dryer lower end by stream grain flexible pipe 28.During work, row's grain roller 7 is driven counterclockwise to rotate by power source 8, be as the criterion towards power source 8 output shaft with observer, corn enters into the charging aperture 2501 of fixed volume draining crop mechanism 25 from the discharging opening of grain drier 27 delay section, and fall in scalloped recess 701, along with the rotation of row's grain roller 7, tipping bucket 10 immediately below corn in scalloped recess 701 falls into, when tipping bucket 10 first time access corn, tipping bucket 10 is understood to the more lopsidedness 45 ° of access corn and is poured out by the corn of this side, corn under now being arranged by row's grain roller 7 falls into dividing plate 1001 opposite side of tipping bucket 10.When dividing plate 1001 opposite side of tipping bucket 10 falls into the corn of q.s, tipping bucket 10 just overturns to opposite side and outwells this side corn, the corn simultaneously fallen falls into again the side of tipping bucket 10, tipping bucket 10 circulates upset work, the weight of corn in tipping bucket 10 can be measured in real time by pressure transducer 21, claim the corn of weight to drop in receiving hopper 1 along with the upset of tipping bucket 10, and flowed into dryer row grain auger 29 through stream grain flexible pipe 28 and return in grain drier 27.
As shown in Figure 9, the detection method of this corn unit weight on-line detector is as follows:
1), after sending sign on, driven by motor row grain roller 7 starts to rotate, and now judges whether optoelectronic switch 3 has output; When optoelectronic switch 3 has output, namely when the notch 401 alignment light electric switch 3 of code-disc 4, single-chip microcomputer 23 is measured what gather by pressure transducer 21 and fills the tipping bucket weight G of corn 1send to host computer 24.
2) continue to judge whether optoelectronic switch has output; When optoelectronic switch 3 is double have output time, single-chip microcomputer 23 is by being measured by pressure transducer 21 of gathering and fill the tipping bucket weight G of corn 2send to host computer 24.
3) carry out calculating by host computer 24 to the data of sending obtain corn unit weight ρ and judge corn grade, that is:
ρ = G 2 - G 1 6 * V ( g / L ) ;
Wherein V is the volume of a scalloped recess 701 of row's grain roller 7, and V is fixed value.
Described corn grade is determined according to the corn unit weight ρ calculated.
4) judge whether tipping bucket 10 overturns, and namely whether proximity switch 12 has signal to export.When proximity switch 12 has signal to export, return step 1) proceed to measure next time.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in instructions and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.

Claims (9)

1. a corn unit weight on-line detector, is characterized in that: comprise fixed volume draining crop mechanism and be located at the automatic turning Weighing mechanism in a receiving hopper, described fixed volume draining crop mechanism comprises:
Delivery plate frame is the rectangular frame that thin plate surrounds, for the row's of installation grain roller;
Described row's grain roller is rotatably installed in delivery plate frame and two ends and is passed by delivery plate frame both sides, and the outer circumferential walls of row's grain roller is evenly equipped with isopyknic scalloped recess, for discharging isopyknic corn;
Power source, is arranged on delivery plate frame side and is in transmission connection with row grain roller one end, rotating for the row's of driving grain roller;
Counting component, is located between delivery plate frame opposite side and row's grain roller, for the rotating cycle of the row's of statistics grain roller;
Limit material base plate, to be tiltingly fixed in delivery plate frame and to be positioned at after row's grain roller, and the segmental arc in the middle part of limit material base plate, near row's grain roller outer rim, falls in automatic turning Weighing mechanism for avoiding corn by arranging grain roller rear;
Described automatic turning Weighing mechanism comprises:
Connect base, be located in described receiving hopper, for setting pressure sensor;
Described pressure transducer is two and symmetry is fixed on connection base, for weighing the weight of corn on tipping bucket;
Described tipping bucket is for semicircle and centre is provided with dividing plate, and be hinged in a connection bracket in the middle part of tipping bucket, described connection bracket is fixedly supported on two pressure transducers, for carrying corn to weigh.
2. corn unit weight on-line detector according to claim 1, it is characterized in that: described counting component comprises the optoelectronic switch support being fixed on described delivery plate frame opposite side, optoelectronic switch installed by optoelectronic switch support, code-disc is fixed with at described row's grain roller other end, code-disc outer rim is provided with the notch corresponding with optoelectronic switch, for triggering optoelectronic switch.
3. corn unit weight on-line detector according to claim 1, is characterized in that: the quantity of described scalloped recess is three.
4. corn unit weight on-line detector according to claim 1, is characterized in that: be positioned in delivery plate frame above row's grain roller and be provided with material level baffle plate, to control the discharge rate of corn.
5. the corn unit weight on-line detector according to claim 1 or 4, is characterized in that: on front side of delivery plate frame, be fixed with wedge shape striker plate, so that realize concentrating discharge.
6. corn unit weight on-line detector according to claim 2, it is characterized in that: on the side plate of described receiving hopper, be provided with a proximity switch, optoelectronic switch, the pressure transducer of described counting component are connected with single-chip microcomputer respectively with proximity switch, and the data output end of single-chip microcomputer connects host computer.
7. the corn unit weight on-line detector according to claim 1 or 6, is characterized in that: being provided with in the front side of described receiving hopper can the movable baffle plate of manual plug-in mounting, so that the handling to automatic turning Weighing mechanism.
8. the corn unit weight on-line detector according to claim 1 or 6, it is characterized in that: be positioned in described tipping bucket above dividing plate and be provided with a balance stem, balance stem two ends are passed by tipping bucket both sides and are provided with balance nut, by the balance of the adjustable tipping bucket both sides of balance nut.
9. corn unit weight on-line detector according to claim 8, is characterized in that: be positioned in described tipping bucket below dividing plate and be fixed with coupling shaft, and coupling shaft two ends are passed by tipping bucket both sides and are hinged in connection bracket.
CN201420532514.7U 2014-09-16 2014-09-16 Corn unit weight on-line detector Active CN204044021U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104215552A (en) * 2014-09-16 2014-12-17 吉林大学 Online corn bulk weight detector and detection method thereof
CN105944828A (en) * 2016-07-12 2016-09-21 陈勇 Rotary flow filling type ultrahigh magnetic ore separation device capable of increasing magnetite in water of automatic inverse bin

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104215552A (en) * 2014-09-16 2014-12-17 吉林大学 Online corn bulk weight detector and detection method thereof
CN104215552B (en) * 2014-09-16 2016-05-25 吉林大学 Corn unit weight on-line detector and detection method thereof
CN105944828A (en) * 2016-07-12 2016-09-21 陈勇 Rotary flow filling type ultrahigh magnetic ore separation device capable of increasing magnetite in water of automatic inverse bin

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