CN2080659U - Mechano-electronic weighing apparatus - Google Patents
Mechano-electronic weighing apparatus Download PDFInfo
- Publication number
- CN2080659U CN2080659U CN 90218950 CN90218950U CN2080659U CN 2080659 U CN2080659 U CN 2080659U CN 90218950 CN90218950 CN 90218950 CN 90218950 U CN90218950 U CN 90218950U CN 2080659 U CN2080659 U CN 2080659U
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- CN
- China
- Prior art keywords
- steelyard
- arm beam
- contact
- end points
- circuit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
Abstract
The utility model discloses a mechano-electronic weighing apparatus, comprising a scale beam, poises, a rider, and a scale bucket. The mechano-electronic weighing apparatus is characterized in that the scale beam is hanged by a hanging rope, the upper and lower parts of one end of the scale beam are respectively provided with a rigid contact, a pair of normal open and normal close contacts are composed of the rigid contacts and the scale beam, and a bin is arranged above the scale bucket. A control device comprising a relay, a contactor circuit, a travel switch, and a screw rod controls the opening and closing of a bin gate. The operation for opening and gradually closing the gate is completed by opening and closing a relay contact and a travel switch contact according to the position of raise of the scale beam and the position for pressing the travel switch. The device has the advantages of high weighing precision, convenient regulation, and strong environment applicability.
Description
A kind of electromechanical weighing device can be widely used in the industries such as grain, chemical industry, building materials.
Currently used mechanical type packing claims as shown in Figure 1, it includes with two edge of a knife supports, 6 arm beams of steelyard 5 that support, metal, place weights 3 and rider 4 on the arm beam of steelyard, be attached at the scale bucket 7 of the arm beam of steelyard one end, reach the blanking that drives by motor 10 and stir cage 9, the passage 8 of cage feed opening and scale bucket charging aperture stirs in UNICOM, is attached at the collision block 2 of the scale bucket other end, and is fixed on the travel switch 1 behind the location of collision block 2 upper ends.Its course of work is: according to the corresponding weights of alleged thing reselection procedure, treat in the scale bucket that thing weighs behind the ratings, the scale thick stick lifts, and its collision block presses travel switch, and the normally closed contact in the travel switch is opened, and makes the motor stall, and blanking ends.Be the assurance weighing precision, adopt two of sizes to stir cage blanking together usually, treat that material weighs in the time of will reaching ratings, close earlier and stir cage greatly, at last by stirring the thin blanking of cage for a short time, to guarantee the weighing precision.
There is following problem in above-mentioned weighing device: 1, utilize the travel switch location not high with the method precision that reaches the control weighing.Its reason is can change with environmental baseline the position and the open and close time of travel switch.2, edge of a knife support place easily for dust blocks, influences precision.3, size is stirred after the cage size determines, during thin blanking, and the bad adjusting of flow.
The purpose of this utility model is to provide a kind of weighing precision height, the electromechanical weighing device that the blanking flow is convenient to control.
Structure of the present utility model as shown in Figure 2.It removes the arm beam of steelyard 5 that includes metal in the prior art, place weights 3 and rider 4 on the arm beam of steelyard, be fixed on the scale bucket 7 of the arm beam of steelyard one end, place the arm beam of steelyard other end two travel switches 2 up and down, and outside the feeding-passage 8, be primarily characterized in that: 1, cancelled the edge of a knife support 6 at edge of a knife support and scale bucket place, respectively the arm beam of steelyard has been hung on the fixture, the scale bucket is suspended on a end on the arm beam of steelyard with two suspension strops 16.2, on the arm beam of steelyard corresponding to the position up and down of scale bucket one end, respectively be provided with a rigid contact 18.A on the arm beam of steelyard
3End points and the A that places a rigid contact of position, its underpart
1The end points normally closed contact that partners, the A on the arm beam of steelyard
3End points again with the A of another rigid contact at position placed on it
2The end points normally opened contact that partners, 3, in the position that faces on the arm beam of steelyard above the scale bucket, fixing a feed bin 14; The discharging opening place of feed bin is provided with a sliding door 15; And the discharging opening of feed bin and the charging aperture of scale bucket are connected with a passage 8.4, for guaranteeing blanking, the precision of weighing, the open and close of bin gate is finished by a cover sliding door control device in addition in the feed bin.This device is by motor 10, the speed reduction unit 11 that links to each other with motor by the screw mandrel 12 that speed reduction unit drives, connects the rigidity pulling block 13 of leading screw and bin gate respectively, be fixed on the collision block 2 of pulling block lower end, and be fixed on the collision block lower end, at least three travel switches 1 and control circuit 17 form.Control circuit is partly formed by two again, and some is the control relay circuit of control contactor switching electricity, referring to Fig. 3.Relay J in the control relay circuit
1, J
2, J
3An end connect mutually with the positive pole of power supply; J
1The other end connect the normally closed contact K of C shelves place travel switch successively
C, and start button QA and J
1Normally opened contact J
11End after the parallel connection; J
2The other end connect the A of one of them rigid contact 18
1End points; J
3The other end connect J successively
2A pair of normally closed contact J
21, and the normally closed contact K of a shelves place travel switch
a, and the A of another rigid contact 18
2A on the end points and the arm beam of steelyard
3The a pair of normally opened contact that end points is formed, with the normally closed contact K of b shelves place travel switch
bEnd after the parallel connection; The other end after its parallel connection and the A on the arm beam of steelyard
3End points is again with QA and J
11The other end after the parallel connection, and the negative pole of power supply connects mutually.The metal arm beam of steelyard also connects mutually with the negative pole (being zero point) of power supply simultaneously.Another partly is control motor forward and backward (i.e. control is drawn and a closed the door) contact circuit.The internal wiring of this circuit is connected to current techique, can be referring to Fig. 4.Wherein 1C is used to control the just commentaries on classics (i.e. sliding door) of motor, and 2C is with the counter-rotating (promptly closing the door) of controlling motor.Inserted the J of relay in this circuit
1A normally opened contact J
12, be used to control the switching electricity of 1C, inserted relay J again
3In a normally opened contact J
31, be used to control the switching of 2C.
The control procedure of weighing of the present utility model is as follows: press start button QA, relay J
1The energising back is closed, J in the contactor circuit
1Normally opened contact J
12Closure, contactor 1C energising, the bin gate motor just changes, and bin gate is the unlatching situation.Under the pulling of rigidity pulling block 13 at motor, when the collision block under it is depressed the travel switch at C shelves place, the normally closed contact K of travel switch
COpen J
1Outage, J in the contactor circuit
1Normally opened contact J
12Open contactor 1C outage, motor stall.This moment, bin gate was all opened blanking.When blanking numerical value reached selected calibration value, the arm beam of steelyard lifted, and placed the A on the rigid contact of arm beam of steelyard lower end
1A on the end points and the arm beam of steelyard
3The a pair of normally closed contact that end points is formed is equivalent to open relay J
2Outage, J
2Normally closed contact J
21Closure, relay J
3Energising, J in the contactor circuit
3Normally opened contact J
31Closure, contactor 2C energising, the motor counter-rotating, bin gate is the situation of closing the door (being that the first step is closed the bin gate state).Under of the promotion of rigidity pulling block at motor, when the collision block of its lower end is depressed the travel switch at b shelves place, the normally closed contact K of travel switch
bOpen relay J
3Outage, J in the contactor circuit
31Open, contactor 2C outage, motor stops counter-rotating.Close the bin gate state when stopping in the first step, bin gate still stays a small gap to continue thin blanking.Lift A with another rigid contact of portion placed on it until the arm beam of steelyard
2The end points contact, promptly suitable A
2A on the end points and the arm beam of steelyard
3The a pair of normally opened contact closure that end points is formed, relay J at this moment
3Energising, normally opened contact J
31Closure, contactor 2C energising, the continuous counter-rotating of motor (promptly second step was closed the bin gate state).When collision block is depressed the travel switch at a shelves place, the normally closed contact K of travel switch
aOpen J
3Outage, its normally opened contact J
31Open 2C outage, motor stall.Second step was closed the bin gate state when stopping, and bin gate is closed fully, so far finished the heavy cyclic process of a weighing.
The utility model is not subjected to the influence of environmental baseline, both has been convenient to control blanking quantity, is convenient to operational administrative again.Its weighing precision Gao Bingke adjusts on demand accurately.
Description of drawings:
Fig. 1, prior mechanical packaging scale structural representation;
Fig. 2, electromechanical weighing device structural representation of the present utility model;
Control relay circuit schematic diagram in Fig. 3, the control circuit 11; This circuit uses the 12V direct supply;
Contactor circuit schematic diagram in Fig. 4, the control circuit 11 is the 380V AC power between A, B, the C.
RD is for protecting resistance device, RJ thermoelectric protector;
Fig. 5, rigid contact structural representation.
19, screw, 20, copper billet, 21, the exhausted plate of edge,
22, base.
The utility model is provided by following examples:
Assemble by current techique by structure shown in Figure 2.Wherein suspension strop 16 can adopt the nylon rope of steel wire or other type.The quantity of its travel switch and position can be according to required cutting stock precision settings, but 3 (promptly 3 gears are put) should be arranged at least.
The control circuit part is pressed Fig. 3, Fig. 4 design respectively.Wherein the power supply of control relay circuit is elected the 12V direct current as.The shared zero line of the arm beam of steelyard that Metallic rod is made (can be described as a weighing platform) and 12V direct supply (being ground wire).Contactor circuit is a universal circuit.
The utility model civilian dress is joined and is finished as described above.
Claims (3)
1, a kind of electromechanical weighing device includes the metal arm beam of steelyard 5, places weights 3 and the rider 4 on the arm beam of steelyard, the scale bucket 7 that is fixed on the arm beam of steelyard one end, travel switch 2, and feeding-passage 8, of the present utility model being characterised in that:
(1), adopted two respectively the arm beam of steelyard to be suspended on the fixture and the scale bucket is hung on suspension strop 16 on the arm beam of steelyard one end,
(2), on the arm beam of steelyard corresponding to the position up and down of scale bucket one end, respectively be provided with a rigid contact 18, the A on the arm beam of steelyard
3End points and the A that places on the rigid contact of position, its underpart
1The end points normally closed contact that partners, A
3End points again with another rigid contact at position placed on it on A
2The end points normally opened contact that partners,
(3), above the scale bucket feed bin 14 of set, the discharging opening place of feed bin is provided with a sliding door 15, is communicated with the discharging opening of feed bins and the charging aperture of scale bucket with passage 8,
(4), be provided with the sliding door control device of bin gate in the cover open and close feed bin.The leading screw 12 that it drives by motor 10, the speed reduction unit 11 that links to each other with motor, by speed reduction unit, respectively be connected leading screw and bin gate rigidity pulling block 13, be fixed on the pulling block lower end collision block 2, be fixed on the collision block lower end, at least three travel switches 1 and control circuit 17 form, control circuit is made up of the contactor circuit of general purpose control motor positive and inverse, the control relay circuit that reaches control contactor switching electricity.Control relay circuit repeat circuit J
1, J
2, J
3An end connect J mutually with the positive pole of power supply
1The other end connect the normally closed contact K of C shelves place travel switch successively
c, and start button QA and J
1Normally opened contact J
11End after the parallel connection, J
2The other end connect the A of one of them rigid contact 18
1End points.J
3The other end connect J successively
2A pair of normally closed contact J
21, a shelves place stroke journey switch normally closed contact K
a, and the A of another rigid contact 18
2A on the end points and the arm beam of steelyard
3The a pair of normally opened contact that end points is formed, with the normally closed contact K of b shelves place travel switch
bEnd after the parallel connection, the other end after its parallel connection and the A on the arm beam of steelyard
3End points, again with QA and J
11The other end after the parallel connection, and the negative pole (being zero point) of power supply connects mutually, the while arm beam of steelyard also connects relay J mutually with the negative pole (being zero point) of power supply
1Another normally opened contact J
12The switching electricity that is used for control contactor circuit contactor IC, relay J
3A normally opened contact be used for the power on/off of control contactor circuit contactor 2C.
2, electromechanical weighing device according to claim 1 is characterized in that described suspension strop 16 can adopt the nylon rope of steel wire or other type.
3, electromechanical weighing device according to claim 1 is characterized in that, described rigid contact 18 is made up of the copper billet 20 that is assemblied in the insulcrete 21 on the base 22 and be fixed on the insulcrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90218950 CN2080659U (en) | 1990-09-06 | 1990-09-06 | Mechano-electronic weighing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90218950 CN2080659U (en) | 1990-09-06 | 1990-09-06 | Mechano-electronic weighing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2080659U true CN2080659U (en) | 1991-07-10 |
Family
ID=4897692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90218950 Withdrawn CN2080659U (en) | 1990-09-06 | 1990-09-06 | Mechano-electronic weighing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2080659U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222596A (en) * | 2015-11-16 | 2016-01-06 | 四川华索自动化信息工程有限公司 | A kind of carbon roasting furnace intelligent discharging device |
| CN105222595A (en) * | 2015-11-16 | 2016-01-06 | 四川华索自动化信息工程有限公司 | Carbon roasting furnace based on motor fast braking intelligent discharging device |
| CN105241250A (en) * | 2015-11-16 | 2016-01-13 | 四川华索自动化信息工程有限公司 | Intelligent discharging device for carbon roasting furnace based on voltage protection circuit |
| CN105403053A (en) * | 2015-11-16 | 2016-03-16 | 四川华索自动化信息工程有限公司 | Discharging device based on voltage protection and used for motor quick braking type carbon baking furnace |
| CN106428796A (en) * | 2016-11-29 | 2017-02-22 | 郑州经度知识产权代理服务有限公司 | Medicinal slice automatic feeding packer |
| CN108891637A (en) * | 2018-06-11 | 2018-11-27 | 王颢睿 | Metering device with oscillating feeder |
-
1990
- 1990-09-06 CN CN 90218950 patent/CN2080659U/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222596A (en) * | 2015-11-16 | 2016-01-06 | 四川华索自动化信息工程有限公司 | A kind of carbon roasting furnace intelligent discharging device |
| CN105222595A (en) * | 2015-11-16 | 2016-01-06 | 四川华索自动化信息工程有限公司 | Carbon roasting furnace based on motor fast braking intelligent discharging device |
| CN105241250A (en) * | 2015-11-16 | 2016-01-13 | 四川华索自动化信息工程有限公司 | Intelligent discharging device for carbon roasting furnace based on voltage protection circuit |
| CN105403053A (en) * | 2015-11-16 | 2016-03-16 | 四川华索自动化信息工程有限公司 | Discharging device based on voltage protection and used for motor quick braking type carbon baking furnace |
| CN106428796A (en) * | 2016-11-29 | 2017-02-22 | 郑州经度知识产权代理服务有限公司 | Medicinal slice automatic feeding packer |
| CN108891637A (en) * | 2018-06-11 | 2018-11-27 | 王颢睿 | Metering device with oscillating feeder |
| CN108891637B (en) * | 2018-06-11 | 2020-10-27 | 瑞安市合泰紧固件有限公司 | Metering device with vibration feeder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |