CN212049098U

CN212049098U - Automatic recovery unit of belt feeder aggregate hourglass material

Info

Publication number: CN212049098U
Application number: CN202020116515.9U
Authority: CN
Inventors: 黄龙; 宋辉
Original assignee: Shanghai Shenkun Concrete Group Co ltd
Current assignee: Shanghai Shenkun Concrete Group Co ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-12-01
Anticipated expiration: 2030-01-17

Abstract

The utility model relates to a belt feeder aggregate leaks automatic recovery unit of material belongs to material transmission device technical field, it includes the frame and sets up the pay-off belt in the frame, the pay-off belt is cyclic annular setting, the both sides of pay-off belt are equipped with the recovery track that sets up along its length direction, retrieve orbital one end downward sloping setting, the pay-off belt is located and retrieves orbital lower one side and is equipped with the material receiving bin, the material receiving bin is equipped with the hopper that connects that the tilt up set up towards two recovery track one ends, connect the hopper to be located and retrieve orbital tip below. The utility model is used for a belt feeder aggregate leaks automatic recovery unit of material sets up through the both sides at the pay-off belt and retrieves the track and collect the aggregate that drops to solve the artifical problem of bringing of collecting in later stage.

Description

Automatic recovery unit of belt feeder aggregate hourglass material

Technical Field

The utility model belongs to the technical field of material transmission device technique and specifically relates to a belt feeder aggregate leaks automatic recovery unit of material.

Background

The aggregate is conveyed to a middle bin for temporary storage through the belt conveyor and then put into a stirring device for stirring in a concrete stirring station.

The belt feeder is at the in-process of conveying aggregate, because weight change and the shake in the data send process when unloading to make the both sides of aggregate belt feeder drop, especially when the aggregate is more loose, slight shake can both cause the aggregate side leakage. For reducing aggregate environmental problem and the extravagant problem that the material leaked and cause, need arrange personnel to clear up the recovery to the aggregate that scatters usually, when increasing workman intensity of labour, the manual cleaning caused in the workshop dust once more to fly upward, influence workshop environment.

Therefore, a new technical solution is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a belt feeder aggregate leaks automatic recovery unit of material, sets up through the both sides at the pay-off belt and retrieves the track and collect the aggregate that drops to solve the artifical problem of bringing of collecting in later stage.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides an automatic recovery unit of belt feeder aggregate hourglass material, includes the frame and sets up the pay-off belt in the frame, the pay-off belt is cyclic annular setting, the both sides of pay-off belt are equipped with the recovery track that sets up along its length direction, retrieve orbital one end downward sloping setting, the pay-off belt is located and retrieves orbital lowest one side and is equipped with the receipts feed bin, receive the feed bin and retrieve two track one ends towards and be equipped with the hopper that connects that the tilt up set up, it is located and retrieves orbital tip below to connect the hopper.

By adopting the technical scheme, the recovery rails are arranged on the two sides of the feeding belt, aggregate falling from the two sides of the conveying belt is received by the recovery rails, the recovery rails are obliquely arranged, so that the aggregate in the recovery rails can slide down along the oblique direction of the recovery rails, and the collecting bin is arranged at the oblique bottom ends of the recovery rails, so that the aggregate is automatically recovered, and inconvenience of later manual cleaning and dust flying are avoided; through set up on receiving the feed bin and connect the hopper to guarantee that the aggregate in the recovery track can fall into receiving the feed bin better.

The utility model discloses further set up to: the recycling track is provided with a plurality of vibrators along the length direction of the recycling track.

Through adopting above-mentioned technical scheme, through setting up the vibrator, thereby utilize the vibration that the vibrator produced to make the aggregate of jamming in retrieving the track can drop and follow the downward landing of orbital inclined plane of retrieving.

The utility model discloses further set up to: a buffer cushion is arranged between the recovery track and the rack.

Through adopting above-mentioned technical scheme, thereby cause the vibration of frame when reducing the vibrator and drive the recovery track through setting up the blotter.

The utility model discloses further set up to: keep away from retrieve track tip of receipts feed bin one side and connect to be equipped with the recovery belt between the hopper, the recovery belt is located the pay-off belt below, just retrieve the belt and set up mutually perpendicularly in the pay-off belt horizontal direction, connect the hopper to be located the below that the recovery belt deviates from recovery track one end.

Through adopting above-mentioned technical scheme, through set up the recovery belt between connecing hopper and recovery track, under the effect of recovery belt, will keep away from the aggregate on the recovery track of receiving the feed bin and retrieve in the feed bin better.

The utility model discloses further set up to: the fixed back taper that is equipped with rather than inside intercommunication of lower extreme of receiving the feed bin goes out the hopper, the exit that goes out the hopper is equipped with the passage, the passage deviates from the one end downward sloping setting of hopper, just the passage deviates from the vertical screw conveyer that is equipped with of one end of hopper, the passage communicates with screw conveyer's lower extreme, screw conveyer's upper end is equipped with the stock guide that is located the pay-off belt top, the stock guide sets up towards the pay-off belt downward sloping.

By adopting the technical scheme, the discharge hopper is arranged at the lower end of the receiving bin, and the aggregate is prevented from being stuck in the receiving bin by the shape of the discharge hopper; the aggregate in the collecting bin is guided into the spiral conveyor through the material guide pipe, and under the action of the spiral conveyor, the aggregate is conveyed to the conveying belt again, so that the recycling of the aggregate is realized.

The utility model discloses further set up to: the spiral conveyer comprises a machine shell and a spiral conveying shaft arranged in the machine shell, wherein a conveying motor is arranged at one end of the spiral conveying shaft, a control circuit is coupled with the conveying motor, and the control circuit controls the starting of the conveying motor.

By adopting the technical scheme, the starting of the conveying motor is controlled by arranging the control circuit, so that the energy waste caused by the continuous rotation of the conveying motor is avoided.

The utility model discloses further set up to: a plurality of pressure sensor are coupled to control circuit's input, and is a plurality of pressure sensor circumference sets up in receiving the feed bin inner wall, when pressure sensor detected pressure, control circuit control conveying motor starts.

Through adopting above-mentioned technical scheme, detect the aggregate volume in the storehouse of receiving through setting up pressure sensor, when the aggregate in the storehouse of receiving piles up and causes the extrusion to pressure sensor, pressure sensor control conveying motor starts to make screw conveyer can in time retrieve the aggregate in the storehouse of receiving.

The utility model discloses further set up to: the vibrators are connected with the conveying motor in parallel, and the vibrators and the conveying motor are started synchronously.

By adopting the technical scheme, the vibrator and the conveying motor are arranged in parallel, so that the adverse effect on the rack caused by the fact that the vibrator is always started is avoided.

The utility model discloses further set up to: and a time delay circuit is coupled between the control circuit and the transmission motor and controls the rotation time of the transmission motor.

Through adopting above-mentioned technical scheme, control conveying motor's rotation time through setting up delay circuit to guarantee that screw conveyer can convey the aggregate in the receiving hopper to the pay-off belt better, thereby carry out recycle.

To sum up, the utility model discloses a beneficial technological effect does: the falling aggregate is received by arranging the recovery rails on the two sides of the feeding belt, the recovery rails are obliquely arranged, the receiving bin is arranged at the bottom end of the recovery rails, and the aggregate in the recovery rails can fall into the receiving bin by utilizing the inclination angle of the recovery rails, so that the aggregate can be automatically recovered; conveying the aggregate in the receiving bin to a feeding belt again for conveying and utilization through a spiral conveyor communicated with the receiving bin; aggregate in the receiving bin is detected by arranging the pressure sensor in the receiving bin, and the control circuit connected with the pressure sensor is arranged, so that the work of the spiral conveyor is controlled, and the energy waste caused by the continuous work of the spiral conveyor is avoided.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a part of the structure of the present invention, mainly showing the relationship between the recycling track, the receiving bin and the screw conveyor;

FIG. 3 is a schematic view of a portion of the structure of the present invention, mainly illustrating the installation position of the vibrator on the recycling track;

FIG. 4 is a partial schematic structural view of the present invention, mainly showing the structure and position of the recovery belt machine;

fig. 5 is a circuit structure diagram of the present invention.

In the figure, 1, a frame; 21. a feeding belt; 22. a feeding driving wheel; 23. a feeding driven wheel; 3. recovering the track; 31. a vibrator; 32. a cushion pad; 4. a material receiving bin; 41. a receiving hopper; 42. a discharge hopper; 43. a material guide pipe; 44. a pressure sensor; 5. a screw conveyor; 51. a housing; 52. a transfer motor; 53. a material guide plate; 61. recovering the belt; 62. recovering the driving wheel; 63. recovering the driven wheel; 7. a control circuit; 8. a self-locking circuit; 9. a delay circuit; 91. triggering the branch.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses an automatic recovery unit of belt feeder aggregate hourglass material, including frame 1 with set up the feeding belt 21 in frame 1, feeding belt 21 is cyclic annular setting, and its both ends are equipped with feeding drive wheel 22 respectively and the pay-off from driving wheel 23, and feeding belt 21 tensioning is from driving wheel 23 between feeding drive wheel 22 and the pay-off to feeding drive wheel 22 can drive feeding belt 21 conveying when rotating. For the convenience to carrying out recycle to the aggregate that drops in pay-off belt 21 both sides, pay-off belt 21's both sides are equipped with along the recovery track 3 of its length direction setting, retrieve the one end downward sloping setting of track 3, pay-off belt 21 is located one side of retrieving track 3 least significant end and is equipped with receipts feed bin 4, the aggregate that drops in pay-off belt 21 both sides falls into and retrieves in track 3 to along retrieving track 3's incline direction cunning to receiving in the feed bin 4, thereby realize leaking the recovery of expecting.

Referring to fig. 2 and 3, the recycling rail 3 is made of metal such as aluminum alloy or other steel, and one side of the recycling rail receiving the leaked materials is arranged in a flat inclined plane. In order to avoid the aggregate jamming in the recovery track 3, the recovery track 3 is equipped with a plurality of vibrators 31 along its length direction interval, and the vibrator 31 sets up terminal surface under the recovery track 3, and when the vibrator 31 started, the recovery track 3 drove its inside aggregate and vibrates together to make the aggregate of jamming on the recovery track 3 lateral wall can drop and follow the downward landing of the inclined plane of recovery track 3. In order to reduce the influence on the feeding belt 21 when the recovery track 3 is driven by the vibrator 31 to vibrate, an elastic buffer cushion 32 is arranged between the connection part of the recovery track 3 and the rack 1, and the influence on the rack 1 when the vibrator 31 vibrates is reduced through the elastic buffering of the buffer cushion 32.

Referring to fig. 2 and 3, receive hopper 4 and be equipped with the hopper 41 that connects that the tilt up set up towards two recovery track 3 one ends, connect hopper 41 to be located the tip below of retrieving track 3 to make the aggregate in the recovery track 3 can fall into receiving hopper 4 better, connect hopper 41 to set up towards receiving hopper 4 lopsidedness simultaneously, make the aggregate in receiving hopper 41 can fall into receiving hopper 4 fast. Because receiving bin 4 sets up in pay-off belt 21 one side, in order to guarantee that the aggregate in the recovery track 3 of keeping away from receiving bin 4 one side can be better gets into receiving bin 4, be equipped with recovery belt 61 between the recovery track 3 tip of keeping away from receiving bin 4 one side and the hopper 41, recovery belt 61 is located pay-off belt 21 below, and sets up mutually perpendicular on the horizontal direction with pay-off belt 21.

Referring to fig. 3 and 4, the aggregates in the recovery track 3 at the side far away from the receiving bin 4 fall onto the recovery belt 61 from the end of the recovery track 3, the recovery belt 61 is arranged in a ring shape, the two ends of the recovery belt are respectively provided with a recovery driving wheel 62 and a recovery driven wheel 63, and the recovery belt 61 is tensioned between the recovery driving wheel 62 and the recovery driven wheel 63. The receiving hopper 41 facing the recovery belt 61 is positioned below one end of the recovery belt 61 away from the receiving rail, so as to recover the aggregates on the recovery belt 61.

Referring to fig. 3 and 4, in order to facilitate taking out the aggregates in the receiving bin 4, the lower end of the receiving bin 4 is fixedly provided with an inverted cone-shaped discharging hopper 42 communicated with the inside of the receiving bin, the bottom of the discharging hopper 42 is an outlet, and a material guide pipe 43 is arranged at the outlet of the discharging hopper, so that the aggregates in the receiving bin 4 can be gathered towards the outlet of the discharging hopper 42. The one end downward sloping setting that the passage 43 deviates from out hopper 42, and the vertical screw conveyer 5 that is equipped with of one end that the passage 43 deviates from out hopper 42, the lower extreme intercommunication of passage 43 and screw conveyer 5, screw conveyer 5's upper end is equipped with the stock guide 53 that is located the feeding belt 21 top, and the stock guide 53 is towards the setting of feeding belt 21 downward sloping, thereby make the aggregate in the receiving bin 4 get into screw conveyer 5 through the passage 43 in, get into again and carry out the conveying on the feeding belt 21 under screw conveyer 5's conveying.

Referring to fig. 2 and 5, the screw conveyor 5 includes a housing 51 and a screw conveying shaft (not shown) rotatably disposed in the housing 51, the screw conveying shaft is abutted to the inner wall of the housing 51, a conveying motor 52 is disposed at one end of the screw conveying shaft, and the conveying motor 52 drives the screw conveying shaft to rotate, so that the aggregate is conveyed. In order to avoid the waste caused by the continuous rotation of the conveying motor 52, the control circuit 7 is coupled to the conveying motor 52, and the control circuit 7 controls the start of the conveying motor 52. In the embodiment, the number of the pressure sensors 44 is three, the three pressure sensors 44 are circumferentially disposed on the inner wall of the receiving bin 4, and the three pressure sensors 44 are disposed on the side walls of the receiving bin 4 far away from the two sides of the receiving hopper 41, so that the influence on the pressure sensors 44 when the aggregates fall is reduced. When aggregates in the receiving bin 4 are stacked and press the pressure sensor 44, the pressure sensor 44 outputs a detection signal to the control circuit 7, and the control circuit 7 receives and responds to the detection signal, so that the transmission motor 52 is controlled to be started.

Referring to fig. 5, the control circuit 7 includes a first transistor Q1 having a control electrode coupled to the output end of the pressure sensor 44, the first transistor Q1 is an NPN-type transistor, a collector and an emitter of the first transistor Q1 are connected in series between the power supply and the ground, a field coil of a first relay KM1 is coupled between the collector of the first transistor Q1 and the power supply, and a first relay diode D1 is coupled to both ends of the field coil of the first relay KM 1. The control circuit 7 is coupled with a self-locking circuit 8, a normally open contact of the first relay KM1 is coupled in the self-locking circuit 8, the self-locking circuit 8 comprises a protection resistor R1 and an excitation coil of the second relay KM2 which are arranged between a power supply and the ground in series, and the normally open contact of the first relay KM1 is connected with the excitation coil of the second relay KM2 in series; the first normally open contact KM2-1 of the second relay KM2 is connected in series between a power supply and an excitation coil of the second relay KM2 and is arranged in parallel with the normally open contact of the first relay KM1, the second normally open contact KM2-2 of the second relay KM2 is connected in series in a power supply loop of the conveying motor 52, the conveying motor 52 is connected with a mains supply and is powered by the mains supply, and when the first triode Q1 is switched on, the excitation coil of the first relay KM1 is powered on, so that the conveying motor 52 can keep rotating.

Referring to fig. 5, in order to ensure that the conveyor motor 52 can be timely disconnected after operating for a period of time, a delay circuit 9 is further coupled between the control circuit 7 and the power supply circuit of the conveyor motor 52, and the delay circuit 9 is used for controlling the rotation time of the conveyor motor 52. The time delay circuit 9 comprises a 555 timer and a triggering branch 91 coupled to an output end of the 555 timer, the triggering branch 91 comprises a second triode Q2 with a control electrode connected with the output end of the 555 timer, the second triode Q2 also adopts an NPN-type triode, a collector electrode and an emitter electrode of the second triode Q2 are connected in series between a power supply and the ground, an excitation coil of a third relay KM3 is coupled between the collector electrode of the second triode Q2 and the power supply, two ends of the excitation coil of the third relay KM3 are provided with a second relay diode D2 in parallel, and a normally closed contact of the third relay KM3 is connected in series between a normally open contact of the second relay KM2 and an excitation coil of the second relay KM 2. The third normally open contact KM2-3 of the second relay KM2 is coupled to the trigger power terminal of the 555 timer. After the excitation coil of the second relay KM2 is electrified, the third normally open contact KM2-3 of the second relay KM2 is closed, the trigger power supply end of the 555 timer inputs a low level, the output end of the 555 timer outputs a high level after a delay time, the second triode Q2 is switched on, so that the excitation coil of the third relay KM3 is electrified, the normally closed contact of the third relay KM3 is switched off, the excitation coil of the second relay KM2 is switched off, and the transmission motor 52 and the vibrator 31 stop working.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a belt feeder aggregate leaks automatic recovery unit of material, includes frame (1) and sets up feeding belt (21) on frame (1), feeding belt (21) are cyclic annular setting, its characterized in that: the both sides of pay-off belt (21) are equipped with along recovery track (3) that its length direction set up, the one end downward sloping setting of retrieving track (3), pay-off belt (21) are located the lowest end one side of retrieving track (3) and are equipped with receipts feed bin (4), receive feed bin (4) and retrieve track (3) one end towards two and be equipped with hopper (41) that connect that the tilt up set up, connect hopper (41) to be located the tip below of retrieving track (3).

2. The automatic recovery device of aggregate leakage of belt conveyor according to claim 1, characterized in that: the recycling track (3) is provided with a plurality of vibrators (31) along the length direction thereof.

3. The automatic recovery device of aggregate leakage of belt conveyor according to claim 2, characterized in that: a buffer cushion (32) is arranged between the recovery track (3) and the frame (1).

4. The automatic recovery device of aggregate leakage of belt conveyor according to claim 1, characterized in that: keep away from retrieve track (3) tip of receipts feed bin (4) one side and connect and be equipped with between hopper (41) and retrieve belt (61), retrieve belt (61) and be located pay-off belt (21) below, just retrieve belt (61) and pay-off belt (21) the horizontal direction on mutually perpendicular set up, connect hopper (41) to be located and retrieve belt (61) and deviate from the below of retrieving track (3) one end.

5. The automatic recovery device of aggregate leakage of belt conveyor according to claim 2, characterized in that: the fixed back taper that is equipped with rather than inside intercommunication of lower extreme of receipts feed bin (4) goes out hopper (42), the exit that goes out hopper (42) is equipped with passage (43), one end downward sloping setting that deviates from hopper (42) in passage (43), just passage (43) deviate from the vertical screw conveyer (5) that is equipped with of one end of hopper (42), the lower extreme intercommunication of passage (43) and screw conveyer (5), the upper end of screw conveyer (5) is equipped with stock guide (53) that are located pay-off belt (21) top, stock guide (53) set up towards pay-off belt (21) downward sloping.

6. The automatic recovery device of aggregate leakage of belt conveyor according to claim 5, characterized in that: the spiral conveyor (5) comprises a machine shell (51) and a spiral conveying shaft arranged in the machine shell (51), wherein a conveying motor (52) is arranged at one end of the spiral conveying shaft, a control circuit (7) is coupled to the conveying motor (52), and the control circuit (7) controls the starting of the conveying motor (52).

7. The automatic recovery device of aggregate leakage of belt conveyor according to claim 6, characterized in that: the input end of the control circuit (7) is coupled with a plurality of pressure sensors (44), the pressure sensors (44) are circumferentially arranged on the inner wall of the material receiving bin (4), and when the pressure sensors (44) detect pressure, the control circuit (7) controls the transmission motor (52) to be started.

8. The automatic recovery device of aggregate leakage of belt conveyor according to claim 7, characterized in that: the vibrators (31) are arranged in parallel with the conveying motor (52), and the vibrators (31) and the conveying motor (52) are started synchronously.

9. The automatic recovery device of aggregate leakage of belt conveyor according to claim 7, characterized in that: a time delay circuit (9) is further coupled between the control circuit (7) and the transmission motor (52), and the time delay circuit (9) controls the rotation time of the transmission motor (52).