CN211807014U - Self-induction type aggregate conveyor - Google Patents
Self-induction type aggregate conveyor Download PDFInfo
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- CN211807014U CN211807014U CN201922462078.6U CN201922462078U CN211807014U CN 211807014 U CN211807014 U CN 211807014U CN 201922462078 U CN201922462078 U CN 201922462078U CN 211807014 U CN211807014 U CN 211807014U
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Abstract
The application relates to concrete mixing plant equipment, in particular to a self-induction type aggregate conveying device; the aggregate collecting device comprises a coarse aggregate weighing hopper, a fine aggregate weighing hopper, a conveying belt, an aggregate waiting bin and a control circuit; the coarse aggregate weighing hopper and the fine aggregate weighing hopper are respectively connected to the front end of the conveying belt, and the tail end of the conveying belt is connected to an inlet of an aggregate waiting bin; the outlet of the coarse aggregate weighing hopper is connected with a first control switch capable of opening the outlet of the coarse aggregate weighing hopper. Due to the implementation of the technical scheme, the temporary storage bin is divided into the independent stone bin and the independent sand bin through the partition plate, the control turning plate can rotate, and after the control turning plate rotates to be in contact with the inner wall of the material distribution bin, the upper end opening of the stone bin or the upper end opening of the sand bin can be sealed; at the moment, mortar or stones conveyed from the conveying belt enter a specified bin; therefore, the mortar can be firstly stirred in the stirrer, and then is stirred in the stirrer after stones, so that the quality of concrete is improved, the concrete overflow performance is improved, the stirring impact is reduced, the power consumption of the stirrer is reduced, and the energy is saved.
Description
Technical Field
The application relates to a concrete mixing plant equipment especially relates to a self-induction formula aggregate conveyor.
Background
The concrete mixer is a mechanical device for mixing and stirring cement, gravel aggregate and water into a concrete mixture. For a large mixing station, the aggregates can enter the intermediate material waiting bin before entering the mixer, and the design is to relieve the impact force of the aggregates and increase the mixing efficiency. However, the stock bin used at present stores a mixture of coarse and fine aggregates.
Experiments of our company show that the quality of the concrete is improved by premixing the mortar and then mixing the stones, the cement consumption is saved, and the concrete overflow performance is improved; the experimental data are shown in the following table.
However, no stock bin for the stirring process is available on the market at present.
Disclosure of Invention
The application aims to provide a self-induction type aggregate conveying device capable of separately storing coarse aggregates and fine aggregates according to the automatic induction of a preorder process.
The application is realized as follows: a self-induction type aggregate conveying device comprises a coarse aggregate weighing hopper, a fine aggregate weighing hopper, a conveying belt, an aggregate waiting bin and a control circuit; the coarse aggregate weighing hopper and the fine aggregate weighing hopper are respectively connected to the front end of the conveying belt, and the tail end of the conveying belt is connected to an inlet of an aggregate waiting bin; the outlet of the coarse aggregate weighing hopper is connected with a first control switch capable of opening the outlet of the coarse aggregate weighing hopper, and the outlet of the fine aggregate weighing hopper is connected with a second control switch capable of opening the outlet of the fine aggregate weighing hopper; the aggregate waiting bin comprises a distributing bin and a temporary storage bin which are fixed together from top to bottom; the middle part of the temporary storage bin is provided with a vertical partition plate which divides the temporary storage bin into an independent stone bin and an independent sand bin; the bottoms of the stone bin and the sand bin are respectively provided with a discharge door capable of being opened and closed; the top of the material distribution bin is open, a control turning plate is arranged in the material distribution bin, a first rotating shaft is arranged at the lower end of the control turning plate and is rotatably arranged in the material distribution bin through the first rotating shaft, the first rotating shaft is connected with a bidirectional motor, the limit positions of the control turning plate in rotation are the inner walls at two sides of the material distribution bin, and the inner walls at two sides of the material distribution bin are respectively provided with a first travel switch and a second travel switch corresponding to the turning limit positions of the control turning plate; a first branch, a second branch, a third branch and a fourth branch are connected in parallel between the positive pole and the negative pole of the control circuit; the first branch is connected with a first control switch and a second time relay coil in series; a second control switch and a third time relay coil are connected in series on the second branch; the third branch is connected with a first travel switch, a second time relay normally open contact, a first relay coil and a second relay normally closed contact in series; the fourth branch is connected with a second travel switch, a third time relay normally open contact, a second relay coil and a first relay normally closed contact in series; the first relay normally open contact and the second relay normally open contact are respectively connected in a forward and reverse circuit of the motor.
Further, a first time relay coil and a first time relay normally closed contact are connected in series on the first branch; the second branch is also connected with a first time relay normally open contact and a third time relay normally closed contact in series.
Further, the first rotating shaft is positioned at the top of the partition plate; the control turning plate is in a shape of inclining outwards and inwards corresponding to the rotating limit position and seals the upper port of the stone bin or the sand bin.
Further, the material distribution bin is rectangular; the temporary storage bin is in a regular quadrangular frustum pyramid shape with a large upper part and a small lower part; the bottom port of the material distribution bin is matched and integrally connected with the top port of the temporary storage bin.
Furthermore, the height of the bottom surface of the partition plate is consistent with that of the temporary storage bin, and the partition plate divides the bottom of the temporary storage bin into a stone discharge port and a sand discharge port; a discharge door is arranged at the bottom of the stone bin and can be outwards rotated through a second rotating shaft and can close or open the stone discharge hole; the other discharge door can be outwards rotated through a third rotating shaft and is arranged at the bottom of the sand silo and can close or open the sand discharge hole.
Further, the bottom of the temporary storage bin is connected with a calibration bin in a shape of a regular quadrangular frustum pyramid with a large upper part and a small lower part; the bottom port of the temporary storage bin is connected with the top port of the calibration bin in a matching way; the included angle between the side edge of the calibration bin and the horizontal plane is smaller than the included angle between the side edge of the temporary storage bin and the horizontal plane; the discharge door of the opened pebble discharge port or sand discharge port is tightly attached to the inner wall of the calibration bin.
Furthermore, the side walls of the left side and the right side of the material distribution bin are respectively provided with a transverse groove formed by sinking, and the top of the control turning plate which is turned to the limit position is matched with the clamping seat in the transverse groove; the side walls of the front side and the rear side of the material distribution bin are respectively provided with a support lug which extends inwards, and the middle part of the control turning plate which is turned to the limit position is positioned on the support lugs.
Due to the implementation of the technical scheme, the temporary storage bin is divided into the independent stone bin and the independent sand bin through the partition plate, the control turning plate at the top of the partition plate can rotate towards two sides, and after the control turning plate rotates to be in contact with the inner wall of the material distribution bin, the upper end opening of the stone bin or the upper end opening of the sand bin can be sealed; at the moment, mortar or stones conveyed from the conveying belt enter a specified bin; therefore, the mortar can be firstly stirred in the stirrer, and then is stirred in the stirrer after stones, so that the quality of concrete is improved, the concrete overflow performance is improved, the stirring impact is reduced, the power consumption of the stirrer is reduced, and the energy is saved.
Drawings
The specific structure of the application is given by the following figures and examples:
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present application;
FIG. 2 is a schematic sectional view of an aggregate storage bin;
FIG. 3 is a schematic view of the external structure of an aggregate storage bin;
FIG. 4 is a schematic view of a portion of the enlarged structure at I in FIG. 2;
FIG. 5 is a schematic diagram of the connections of the control circuit;
fig. 6 is a wiring schematic of the bi-directional motor.
Legend: 1. a material distribution bin, 2, a partition board, 3, a stone bin, 4, a sand bin, 5, a discharge door, 6, a control turning plate, 7, a first rotating shaft, 8, a second rotating shaft, 9, a third rotating shaft, 10, a calibration bin, 11, a transverse groove, 12, a lug, 13, a two-way motor, 14, a coarse aggregate weighing hopper, 15, a fine aggregate weighing hopper, 16, a conveying belt, 17, a first control switch, 18, a second control switch, KT21, a second time relay coil, KT22, a second time relay normally-open contact, KT31, a third time relay coil, KT32, a third time relay normally-open contact, KT11, a first time relay coil, KT12, a first time relay normally-open contact, KT13, a first time relay contact, 01, an SQ02, a second travel switch, KM11, a first relay coil, KM12, a first normally-closed contact, KM13, a first normally-open contact, KM21, second relay coil, KM22, second relay normally closed contact, KM23, second relay normally open contact.
Detailed Description
The present application is not limited to the following examples, and specific implementations may be determined according to the technical solutions and practical situations of the present application.
In an embodiment, as shown in fig. 1 to 6, a self-induction type aggregate conveying device comprises a coarse aggregate weighing hopper 14, a fine aggregate weighing hopper 15, a conveying belt 16, an aggregate storage bin and a control circuit; the coarse aggregate weighing hopper 14 and the fine aggregate weighing hopper 15 are respectively connected to the front end of a conveyer belt 16, and the tail end of the conveyer belt 16 is connected to an inlet of an aggregate waiting bin; the outlet of the coarse aggregate weighing hopper 14 is connected with a first control switch 17 capable of opening the outlet of the coarse aggregate weighing hopper 14, and the outlet of the fine aggregate weighing hopper 15 is connected with a second control switch 18 capable of opening the outlet of the fine aggregate weighing hopper 15; the aggregate waiting bin comprises a distributing bin 1 and a temporary storage bin which are fixed together from top to bottom; the middle part of the temporary storage bin is provided with a vertical partition plate 2, and the partition plate 2 divides the temporary storage bin into an independent stone bin 3 and an independent sand bin 4; the bottoms of the stone bin 3 and the sand bin 4 are respectively provided with a discharge door 5 which can be opened and closed; the top of the material distribution bin 1 is open, a control turning plate 6 is arranged in the material distribution bin 1, a first rotating shaft 7 is arranged at the lower end of the control turning plate 6 and rotatably mounted in the material distribution bin 1 through the first rotating shaft 7, the first rotating shaft 7 is connected with a two-way motor 13, the rotating limit positions of the control turning plate 6 are the inner walls of two sides of the material distribution bin 1, and a first travel switch SQ01 and a second travel switch SQ02 are respectively arranged on the inner walls of two sides of the material distribution bin 1 corresponding to the rotating limit positions of the control turning plate 6; a first branch, a second branch, a third branch and a fourth branch are connected in parallel between the positive pole and the negative pole of the control circuit; the first branch is connected with a first control switch 17 and a second time relay coil KT21 in series; the second branch is connected with a second control switch 18 and a third time relay coil KT31 in series; the third branch is connected with a first travel switch SQ01, a second time relay normally open contact KT22, a first relay coil KM11 and a second relay normally closed contact KM22 in series; a second travel switch SQ02, a third time relay normally open contact KT32, a second relay coil KM21 and a first relay normally closed contact KM12 are connected in series on the fourth branch; the first relay normally open contact KM13 and the second relay normally open contact KM23 are respectively connected in the positive and negative rotation circuit of the motor.
The top of the coarse aggregate weighing hopper 14 is connected with a coarse aggregate storage bin, and the top of the fine aggregate weighing hopper 15 is connected with a fine aggregate storage bin; the conveyor belt 16 includes a flat belt and a feeding belt, and an end of the feeding belt is connected to an inlet of the aggregate waiting bin. The first control switch 17 and the second control switch 18 can be manual button switches or can be automatically controlled by a controller, and are all well-known and commonly used in the prior art. The second time relay delay time is the time for conveying coarse aggregate to the aggregate waiting bin through the conveying belt 16 after the coarse aggregate is discharged from the coarse aggregate weighing hopper 14, and the third time relay delay time is the time for conveying fine aggregate to the aggregate waiting bin through the conveying belt 16 after the fine aggregate is discharged from the fine aggregate weighing hopper 15. The bottom of the stone bin 3 and the bottom of the sand bin 4 are respectively provided with a discharge door 5 which can be opened and closed and can be driven by a rotating motor, and the method is a known public technology.
When the device works, the coarse aggregate weighing hopper 14 is opened for discharging, the first control switch 17 gives a signal, the second time relay coil KT21 is electrified, the second time relay normally-open contact KT22 is closed, the first relay coil KM11 is electrified, the motor starts to rotate positively, the control turning plate 6 is turned to one side of the sand bin 4 until the turning plate abuts against the inner wall of the material distributing bin 1, the first travel switch SQ01 is triggered, the first relay coil KM11 is electrified, the motor stops working, and when the metered coarse aggregates completely enter the stone bin 3; the unloading is opened to fine aggregate weighing hopper 15, second control switch 18 gives the signal, third time relay coil KT31 gets electric, third time relay normally open contact KT32 is closed, second relay coil KM21 gets electric, the motor begins reverse rotation, control turns over board 6 and turns to 3 one sides in stone storehouse, touch second travel switch SQ02 after propping up with the inner wall of branch feed bin 1 until, first relay coil KM11 loses the electricity, the motor stop work, fine aggregate that the wait to measure is whole to get into sand silo 4.
After the material mixing is finished, firstly opening a discharge door 5 of a sand bin 4, and allowing mortar to fall into a stirrer for stirring; after the completion, the discharge door 5 of the pebble bin 3 is opened, and the pebbles fall down and enter the stirrer for stirring; the quality of the concrete is improved, the concrete overflowing performance is improved, the stirring impact is reduced, the power consumption of the stirrer is reduced, and the energy is saved. This application simple structure can turn over board 6 according to the automatic rotation control of anterior segment process, accomplishes the branch storehouse of coarse aggregate, fine aggregate voluntarily and stores.
As shown in fig. 5 and 6, the first branch is also connected in series with a first time relay coil KT11 and a first time relay normally-closed contact KT 12; the second branch is also connected with a first time relay normally open contact KT13 and a third time relay normally closed contact in series.
When the coarse aggregate weighing hopper 14 is opened for blanking, after the first control switch 17 gives a signal, the first time relay coil KT11 is electrified, and the first time relay normally open contact KT13 is closed in a delayed mode. The first time relay delay time is the blanking time of the coarse aggregate weighing hopper 14, so that only when the second control switch 18 gives a signal and the first time relay delay time meets the requirement, the fine aggregate weighing hopper 15 can perform blanking, and mortar and pebble mixing is avoided.
As shown in fig. 1 to 4, the first rotating shaft 7 is located at the top of the partition plate 2; the control turning plate 6 is in a shape of inclining from high outside to low inside and seals the upper port of the stone bin 3 or the sand bin 4 corresponding to the rotating limit position. When the control turning plate 6 is at the limit position, the control turning plate is in a shape of inclining outwards and inwards, and the upper end opening of the stone bin 3 or the sand bin 4 is sealed. The falling materials can slide into the corresponding bin along the control turning plate 6, so that the control turning plate 6 is prevented from being overstressed.
As shown in fig. 1 to 4, the material distribution bin 1 is rectangular; the temporary storage bin is in a regular quadrangular frustum pyramid shape with a large upper part and a small lower part; the bottom port of the material distributing bin 1 is matched and integrally connected with the top port of the temporary storage bin.
The temporary storage bin with the large upper part and the small lower part can provide larger pressure for the aggregates stored at the lower end, and is convenient to discharge.
As shown in fig. 1 to 4, the height of the bottom surface of the partition plate 2 is consistent with that of the temporary storage bin, and the partition plate 2 divides the bottom of the temporary storage bin into a stone discharge port and a sand discharge port; a discharge door 5 is arranged at the bottom of the stone bin 3 and can be outwards rotated through a second rotating shaft 8 and can close or open the stone discharge hole; the other discharging door 5 is arranged at the bottom of the sand silo 4 and can close or open the sand outlet through a third rotating shaft 9 in an outward rotating mode.
As shown in fig. 1 to 4, the bottom of the temporary storage bin is connected with a calibration bin 10 in a shape of a regular quadrangular frustum pyramid with a large upper part and a small lower part; the bottom port of the temporary storage bin is connected with the top port of the calibration bin 10 in a matching way; the included angle between the lateral edge of the calibration bin 10 and the horizontal plane is smaller than the included angle between the lateral edge of the temporary storage bin and the horizontal plane; the discharge door 5 of the opened pebble discharge port or sand discharge port is tightly attached to the inner wall of the calibration bin 10.
After the discharge door 5 of the opened pebble discharge port or sand discharge port is tightly attached to the inner wall of the calibration bin 10, the aggregate can slide downwards along the discharge door 5; like this can the maximize save space, need not to open whole the ejection of compact door 5 and can the ejection of compact.
If do not calibrate storehouse 10, the mortar falls into the position of mixer and can lean on mixer entry one side, and the position that the stone falls into the mixer can lean on mixer entry opposite side, and the impact force is big like this on the one hand, and two (mixing) shaft working strength in the on the other hand mixer remain one big or one little all the time, have the impaired equipment life.
The impact force of falling materials can be buffered by the inner wall of the relatively gentle calibration bin 10, the materials fall in the center of the inlet of the stirring machine in a centralized mode, the working strength of two stirring shafts in the stirring machine is balanced, and the service life of the equipment is prolonged.
As shown in fig. 1 to 4, the side walls of the two sides of the distribution bin 1 are respectively provided with a transverse groove 11 formed by a recess, and the top of the control turning plate 6 which is turned to the limit position is matched with the clamping seat in the transverse groove 11; the side walls of the two sides of the material distribution bin 1 are respectively provided with a support lug 12 which extends inwards, and the middle part of the control turning plate 6 which rotates to the limit position is seated on the support lugs 12.
The design of the transverse groove 11 and the support lug 12 can enable the control turning plate 6 to bear impact with higher strength, and the service life of the equipment is prolonged.
The above technical features constitute the best embodiment of the present application, which has strong adaptability and best implementation effect, and unnecessary technical features can be added or subtracted according to actual needs to meet the needs of different situations.
Claims (10)
1. A self-induction aggregate conveyor which is characterized in that: the aggregate collecting device comprises a coarse aggregate weighing hopper, a fine aggregate weighing hopper, a conveying belt, an aggregate waiting bin and a control circuit; the coarse aggregate weighing hopper and the fine aggregate weighing hopper are respectively connected to the front end of the conveying belt, and the tail end of the conveying belt is connected to an inlet of an aggregate waiting bin; the outlet of the coarse aggregate weighing hopper is connected with a first control switch capable of opening the outlet of the coarse aggregate weighing hopper, and the outlet of the fine aggregate weighing hopper is connected with a second control switch capable of opening the outlet of the fine aggregate weighing hopper; the aggregate waiting bin comprises a distributing bin and a temporary storage bin which are fixed together from top to bottom; the middle part of the temporary storage bin is provided with a vertical partition plate which divides the temporary storage bin into an independent stone bin and an independent sand bin; the bottoms of the stone bin and the sand bin are respectively provided with a discharge door capable of being opened and closed; the top of the material distribution bin is open, a control turning plate is arranged in the material distribution bin, a first rotating shaft is arranged at the lower end of the control turning plate and is rotatably arranged in the material distribution bin through the first rotating shaft, the first rotating shaft is connected with a bidirectional motor, the limit positions of the control turning plate in rotation are the inner walls at two sides of the material distribution bin, and the inner walls at two sides of the material distribution bin are respectively provided with a first travel switch and a second travel switch corresponding to the turning limit positions of the control turning plate; a first branch, a second branch, a third branch and a fourth branch are connected in parallel between the positive pole and the negative pole of the control circuit; the first branch is connected with a first control switch and a second time relay coil in series; a second control switch and a third time relay coil are connected in series on the second branch; the third branch is connected with a first travel switch, a second time relay normally open contact, a first relay coil and a second relay normally closed contact in series; the fourth branch is connected with a second travel switch, a third time relay normally open contact, a second relay coil and a first relay normally closed contact in series; the first relay normally open contact and the second relay normally open contact are respectively connected in a forward and reverse circuit of the motor.
2. The self-induction aggregate conveying device according to claim 1, wherein: the first branch is also connected with a first time relay coil and a first time relay normally closed contact in series; the second branch is also connected with a first time relay normally open contact and a third time relay normally closed contact in series.
3. The self-induction aggregate conveying device according to claim 1, wherein: the first rotating shaft is positioned at the top of the partition plate; the control turning plate is in a shape of inclining outwards and inwards corresponding to the rotating limit position and seals the upper port of the stone bin or the sand bin.
4. A self-induction aggregate conveying device according to claim 1, 2 or 3, wherein: the material distribution bin is rectangular; the temporary storage bin is in a regular quadrangular frustum pyramid shape with a large upper part and a small lower part; the bottom port of the material distribution bin is matched and integrally connected with the top port of the temporary storage bin.
5. The self-induction aggregate conveying device according to claim 4, wherein: the height of the bottom surface of the partition plate is consistent with that of the temporary storage bin, and the partition plate divides the bottom of the temporary storage bin into a stone discharge port and a sand discharge port; a discharge door is arranged at the bottom of the stone bin and can be outwards rotated through a second rotating shaft and can close or open the stone discharge hole; the other discharge door can be outwards rotated through a third rotating shaft and is arranged at the bottom of the sand silo and can close or open the sand discharge hole.
6. The self-induction aggregate conveying device according to claim 4, wherein: the bottom of the temporary storage bin is connected with a calibration bin in a shape of a regular quadrangular frustum pyramid with a big top and a small bottom; the bottom port of the temporary storage bin is connected with the top port of the calibration bin in a matching way; the included angle between the side edge of the calibration bin and the horizontal plane is smaller than the included angle between the side edge of the temporary storage bin and the horizontal plane; the discharge door of the opened pebble discharge port or sand discharge port is tightly attached to the inner wall of the calibration bin.
7. The self-induction aggregate conveying device according to claim 5, wherein: the bottom of the temporary storage bin is connected with a calibration bin in a shape of a regular quadrangular frustum pyramid with a big top and a small bottom; the bottom port of the temporary storage bin is connected with the top port of the calibration bin in a matching way; the included angle between the side edge of the calibration bin and the horizontal plane is smaller than the included angle between the side edge of the temporary storage bin and the horizontal plane; the discharge door of the opened pebble discharge port or sand discharge port is tightly attached to the inner wall of the calibration bin.
8. A self-induction aggregate conveying device according to claim 1, 2 or 3, wherein: the side walls of the left side and the right side of the material distribution bin are respectively provided with a transverse groove formed by sinking, and the top of the control turning plate which is turned to the limit position is matched with the clamping seat in the transverse groove; the side walls of the front side and the rear side of the material distribution bin are respectively provided with a support lug which extends inwards, and the middle part of the control turning plate which is turned to the limit position is positioned on the support lugs.
9. The self-induction aggregate conveying device according to claim 4, wherein: the side walls of the left side and the right side of the material distribution bin are respectively provided with a transverse groove formed by sinking, and the top of the control turning plate which is turned to the limit position is matched with the clamping seat in the transverse groove; the side walls of the front side and the rear side of the material distribution bin are respectively provided with a support lug which extends inwards, and the middle part of the control turning plate which is turned to the limit position is positioned on the support lugs.
10. The self-induction aggregate conveying device according to claim 7, wherein: the side walls of the left side and the right side of the material distribution bin are respectively provided with a transverse groove formed by sinking, and the top of the control turning plate which is turned to the limit position is matched with the clamping seat in the transverse groove; the side walls of the front side and the rear side of the material distribution bin are respectively provided with a support lug which extends inwards, and the middle part of the control turning plate which is turned to the limit position is positioned on the support lugs.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922462078.6U CN211807014U (en) | 2019-12-31 | 2019-12-31 | Self-induction type aggregate conveyor |
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| CN201922462078.6U CN211807014U (en) | 2019-12-31 | 2019-12-31 | Self-induction type aggregate conveyor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115703596A (en) * | 2021-08-03 | 2023-02-17 | 三一汽车制造有限公司 | Raw material transportation method, device and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115703596A (en) * | 2021-08-03 | 2023-02-17 | 三一汽车制造有限公司 | Raw material transportation method, device and system |
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