CN214293786U

CN214293786U - Loading attachment is used in concrete production

Info

Publication number: CN214293786U
Application number: CN202022669247.6U
Authority: CN
Inventors: 孙凤怀
Original assignee: Shanghai Qunbao Building Materials Co ltd
Current assignee: Shanghai Qunbao Building Materials Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-09-28
Anticipated expiration: 2030-11-17

Abstract

The application relates to a feeding device for concrete production, which comprises a conveying mechanism, a blanking hopper and a blanking pipeline communicated with the bottom end of the blanking hopper, wherein the conveying mechanism comprises two conveying plates arranged in parallel, a plurality of working rollers and conveying belts which are rotatably connected between the two conveying plates, and a driving motor fixed with the central shaft of one of the working rollers, and the driving motor is fixed on one side of the conveying plate, which is far away from the working roller; a dust cover is fixedly arranged above the conveying plate, the conveying belt is positioned in the dust cover, and a feeding hole is formed in the side wall of the dust cover, which is far away from the discharging hopper; the lateral wall intercommunication that the feed opening was kept away from to the dust cover has a transfer line, and the lateral wall intercommunication that the feed opening was kept away from to the dust cover has a recovery duct, has set firmly the collection dirt fan in the recovery duct, and the recovery duct all communicates with hopper upper surface down with the one end that transfer line deviates from the dust cover. This application has reached effective reduction device nearby dust and has flown upward quantity, and then has improved the effect of device nearby air quality.

Description

Loading attachment is used in concrete production

Technical Field

The application relates to the field of concrete production, in particular to a feeding device for concrete production.

Background

Currently, concrete has been widely used in the construction field; the concrete is artificial stone which is prepared by taking cement as a main cementing material, adding water, sand, stones and chemical additives and mineral admixtures if necessary, mixing the materials according to a proper proportion, uniformly stirring, densely molding, curing and hardening.

The existing feeding device for concrete production generally comprises a conveying mechanism, a blanking hopper which is connected with the tail end of the conveying mechanism, and a blanking pipeline which is communicated with the tail end of the blanking hopper; the conveying mechanism is used for conveying the materials to the discharging hopper, and the materials entering the discharging hopper enter the next procedure through the discharging pipeline.

With respect to the related art in the above, the inventors consider that there is a drawback that the amount of dust flying during the transfer is too large to cause poor air quality.

SUMMERY OF THE UTILITY MODEL

Because of the material fly upward quantity too much because of the dust when the conveying in order to improve, lead to the not good problem of near device air quality, this application provides a loading attachment for concrete production.

The application provides a loading attachment for concrete production adopts following technical scheme:

a feeding device for concrete production comprises a conveying mechanism, a blanking hopper which is connected to the tail end of the conveying mechanism, and a blanking pipeline communicated with the bottom end of the blanking hopper, wherein the conveying mechanism comprises two conveying plates which are arranged in parallel, a plurality of working rollers which are rotatably connected between the two conveying plates, a conveying belt which is sleeved on the circumferential outer side wall of each working roller, and a driving motor which is fixed with the central shaft of one of the working rollers, wherein the two working rollers are respectively positioned at the two ends of the conveying plates, the driving motor is fixed on one side of the conveying plates, which is far away from the working rollers, and a plurality of supporting rods are fixedly arranged below the conveying plates and the blanking hopper; a dust cover is fixedly arranged above the conveying plate, the conveying belt is positioned in the dust cover, and a feeding hole is formed in the bottom end of the side wall of the dust cover, which is far away from the discharging hopper; the lateral wall bottom intercommunication that the feed opening was kept away from to the dust cover has a transfer pipe, and the lateral wall that the transport mechanism feed opening was kept away from to the dust cover is close to the position intercommunication on top and has a recovery duct, wherein sets firmly collection dirt fan in the recovery duct, and the recovery duct all communicates with hopper upper surface down with the one end that transfer pipe deviates from the dust cover.

By adopting the technical scheme, the driving motor is started before feeding, and drives the working roller to rotate so as to drive the conveying belt to rotate; the material is conveyed to the conveying mechanism from the feeding port, the material entering the conveying mechanism is conveyed to the discharging end by the conveying belt and finally enters the discharging hopper from the conveying pipeline; the dust collection fan is started while the driving motor is started, dust generated in the material conveying process is left in the dust cover, the dust collection fan can pump the dust floating in the dust cover into the recovery pipeline and finally enters the blanking hopper through the recovery pipeline, and the material entering the blanking hopper enters the next working procedure through the blanking pipeline; the materials are conveyed by the conveying mechanism in the dust cover, so that the quantity of dust floating near the device during conveying of the materials is effectively reduced, and the quality of air near the device is effectively improved; the bracing piece can be effectively supported whole transport mechanism and lower hopper to make the material conveying more stable.

Optionally, a dust bag is fixedly arranged at one end of the recovery pipeline, which is far away from the dust cover, and one end of the dust bag, which is far away from the recovery pipeline, extends into the feed hopper and is communicated with the feed hopper.

Through adopting above-mentioned technical scheme, the dust bag has the gas permeability to make dust collection fan's both sides can keep the circulation of air, thereby effectively improved the security performance of dust collection fan during operation.

Optionally, the two conveying plates are rotatably connected with press rollers, the two press rollers are opposite to each other, and the bottoms of the circumferential outer side walls of the two press rollers are abutted to the upper surface of the conveying belt; the two compression rollers divide the conveyor belt into a buffer area and a conveying area, wherein the buffer area is horizontally arranged, the conveying area is obliquely arranged, and one end, far away from the buffer area, of the conveying area is the top end.

By adopting the technical scheme, the materials are firstly conveyed to the buffer area, the materials on the buffer area are conveyed to the conveying area along the conveying direction of the buffer area, and finally are conveyed into the conveying pipeline from the conveying area; the buffer area can effectively buffer the material conveying, so that the material conveying process is smoother; meanwhile, if a small amount of dust falls from the conveying area to the buffer area, the conveying belt continuously rotates and can be conveyed into the conveying area again until finally enters the discharging hopper through the conveying pipeline, and therefore the recovery rate of the materials is effectively improved.

Optionally, a plurality of dust-settling baffles are hinged to the circumferential inner side wall of the blanking hopper, and the dust-settling baffles are arranged in a staggered manner from the top end to the bottom end of the blanking hopper; each dust-settling baffle is obliquely arranged, and one end of each dust-settling baffle, which is far away from the circumferential inner side wall of the discharging hopper, is a bottom end; and a supporting component for supporting the dust fall baffle is fixedly arranged on the circumferential inner side wall of the lower hopper.

By adopting the technical scheme, the materials entering the discharging hopper sequentially pass through the dust-settling baffles and slowly slide down along the inclined surfaces of the dust-settling baffles until finally enter the next working procedure from the discharging pipeline; the dust fall baffle accessible slows down the unloading speed of material and reduces the dust quantity that waves in the hopper down, and supporting component can do effective support to the dust fall baffle to make the dust fall baffle can maintain operating condition.

Optionally, the supporting component includes that one end sets firmly a plurality of vibrating spring at feeder hopper circumference inside wall to and establish the telescopic link in vibrating spring, vibrating spring deviates from down the hopper circumference inside wall one end and the dust fall baffle deviates from the lateral wall of transfer line fixed, the both ends of telescopic link are articulated with the circumference inside wall that the dust fall baffle deviates from the lateral wall of transfer line and lower hopper respectively.

By adopting the technical scheme, when a material enters the feed hopper, the material slides downwards due to self gravity, when the material contacts the inclined surface of the dust fall baffle, the gravity and the impact force of the material enable one end, far away from the circumferential inner side wall of the feed hopper, of the dust fall baffle to move towards the direction close to the circumferential inner side wall of the feed hopper, and at the moment, the vibration spring is compressed; after the material slides down, the vibrating spring rebounds, so that one end of the dust-settling baffle, which is far away from the circumferential inner side wall of the discharging hopper, moves towards the direction far away from the circumferential inner side wall of the discharging hopper; during blanking, the vibration spring can keep the dust-settling baffle in a vibration state, so that the possibility that materials are accumulated and adsorbed on the upper surface of the dust-settling baffle is effectively reduced; the telescopic link can do effective support to the dust fall baffle to thereby make the dust fall baffle can normally exert and slow down the function of material falling speed realization dust fall.

Optionally, a plurality of discharging holes are formed in the upper surface of the dust fall baffle.

Through adopting above-mentioned technical scheme, the partial material that gets into hopper down can be by the direct landing of unloading hole, and the setting up of unloading hole makes the falling speed that the dust fall baffle still can improve the material when effective dust fall.

Optionally, a position in the blanking pipeline, which is close to the bottom end, is rotatably connected with a turnover plate, and when the turnover plate is in a horizontal state, the circumferential side wall of the turnover plate is abutted against the circumferential inner side wall of the blanking pipeline; one end of the rotating shaft of the turnover plate extends out of the blanking pipeline and is provided with a driving assembly used for controlling the turnover of the turnover plate.

By adopting the technical scheme, when the blanking hopper normally carries out blanking, the driving assembly is controlled to enable the turnover plate to turn over and be in a vertical state, so that a blanking pipeline of the turnover plate is in a normally open state; when the blanking flow of the blanking hopper needs to be reduced, the driving assembly is controlled to enable the turnover plate to turn over, and the distance between the circumferential side wall of the turnover plate and the circumferential inner side wall of the blanking hopper is reduced, so that the blanking flow of the blanking hopper is effectively reduced; the unloading flow of hopper down is controllable to provide convenience for the material loading of next process, and the quantity of flying up of dust that can effectively reduce unloading pipeline unloading end is simultaneously set up of returning face plate.

Optionally, the driving assembly comprises a driven gear, a rack engaged with the driven gear, and a hydraulic cylinder arranged below the rack, and the bottom end of the hydraulic cylinder is flush with the bottom end of the support rod; a piston rod of the hydraulic cylinder is fixed with a central shaft of the rack, and one end of a rotating shaft of the turnover plate, which extends out of the blanking pipeline, is fixed with a central shaft of the driven gear.

By adopting the technical scheme, the hydraulic cylinder is controlled to drive the rack to generate vertical displacement, the displacement change of the rack drives the driven gear to rotate, and the rotation of the driven gear drives the turnover plate to rotate; the turnover plate is controlled to turn over by controlling the hydraulic cylinder, so that the control of the blanking flow of the blanking hopper is finally realized, the control accuracy of the blanking flow is improved on the one hand, and the manpower is effectively saved on the other hand.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the whole process of conveying the materials to the conveying pipeline by the conveying mechanism is finished in the dust cover, and the dust cover can effectively reduce the quantity of dust flying near the device during conveying of the materials, so that the air quality near the device during conveying of the materials is effectively improved;

2. when the materials are conveyed, the dust collecting fan is turned on, and the dust collecting fan can pump the dust floating in the dust cover to the recovery pipeline and finally enter the discharge hopper through the dust collecting bag; due to the arrangement of the dust collection bag, the recycling pipeline has air permeability, so that the safety of the whole feeding process is improved;

3. the setting of dust fall baffle has realized the dust fall efficiency through slowing down the material unloading speed in the hopper down on the one hand, and the lasting vibration of on the other hand dust fall baffle has effectively reduced and has piled up the dust quantity of absorption on the dust fall baffle surface to the rate of recovery of material has effectively been improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a partial sectional view showing the internal structure of the lower hopper;

FIG. 3 is a partial schematic view showing the transport mechanism;

fig. 4 is a partial schematic view showing a driving assembly.

Description of reference numerals: 1. a transport mechanism; 11. a transfer plate; 111. a support bar; 112. a compression roller; 12. a work roll; 13. a conveyor belt; 131. a buffer area; 132. a transfer zone; 14. a drive motor; 2. a dust cover; 21. a feeding port; 22. a delivery conduit; 23. a recovery pipeline; 231. a dust collecting fan; 232. a dust collection bag; 3. feeding a hopper; 31. a dust fall baffle; 311. a blanking hole; 4. a blanking pipeline; 41. a turnover plate; 5. a support assembly; 51. a vibration spring; 52. a telescopic rod; 6. a drive assembly; 61. a driven gear; 62. a rack; 63. a hydraulic cylinder; 631. a support frame.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses loading attachment for concrete production.

Referring to fig. 1 and 2, a feeding device for concrete production comprises a conveying mechanism 1, a conveying pipeline 22 connected to the tail end of the conveying mechanism 1, a blanking hopper 3 communicated with the tail end of the conveying pipeline 22, and a blanking pipeline 4 communicated with the bottom end of the blanking hopper 3; wherein transport mechanism 1 all is equipped with a plurality of bracing pieces 111 with the below of lower hopper 3, transport mechanism 1's top is equipped with dust cover 2, the feed opening 21 has been seted up to the lateral wall bottom that dust cover 2 kept away from lower hopper 3, the lateral wall bottom that feed opening 21 was kept away from at dust cover 2 to transfer pipe 22 intercommunication, the lateral wall that feed opening 21 was kept away from to dust cover 2 is close to the position intercommunication on top has recovery duct 23, the position that is close to 2 one end of dust cover in recovery duct 23 has set firmly collection dirt fan 231, and the one end intercommunication that dust cover 2 was kept away from to recovery duct 23 has dust bag 232, the one end that recovery duct 23 was kept away from to dust bag 232 communicates with the upper surface of lower hopper 3.

The material enters the conveying mechanism 1 from the feeding port 21 and is conveyed into the conveying pipeline 22 by the conveying mechanism 1, and the material entering the conveying pipeline 22 is conveyed into the discharging hopper 3 by the conveying pipeline 22; the conveying mechanism 1 conveys materials in the dust cover 2, and the arrangement of the dust cover 2 effectively reduces the amount of dust floating near the device; when the conveying mechanism 1 conveys the materials, the dust collection fan 231 is turned on, and the dust collection fan 231 can pump the dust floating in the dust cover 2 into the recovery pipeline 23 and finally enter the blanking hopper 3 from the recovery pipeline 23; the dust bag 232 provides the recycling duct 23 with air permeability, thereby effectively improving the safety of the dust collection fan 231 during operation.

Referring to fig. 2, the lower hopper 3 is vertically arranged, and the bottom end of the lower hopper 3 is closed; dust-settling baffles 31 are arranged on the circumferential inner side wall of the blanking hopper 3 from the top end to the bottom end in a staggered mode, and the dust-settling baffles 31 are hinged to the circumferential inner side wall of the blanking hopper 3; a plurality of discharging holes 311 are formed in the upper surface of the dustfall baffle 31, and a supporting component 5 is fixedly arranged on the lower surface of the dustfall baffle 31; the materials sent into the blanking hopper 3 through the conveying pipeline 22 or the recovery pipeline 23 sequentially pass through the dust-settling baffles 31 in the falling process, and the falling speed of the materials is effectively slowed down by the dust-settling baffles 31, so that the flying quantity of the dust in the blanking hopper 3 is reduced; meanwhile, the blanking hole 311 is arranged, so that the blanking speed of the material can be increased while the dust falling baffle 31 plays a dust falling role; support assembly 5 can do effective support to dustfall baffle 31 to make dustfall baffle 31 can stably exert its dustfall effect.

Referring to fig. 2, the support assembly 5 includes a vibration spring 51 fixedly disposed between the lower surface of the dustfall baffle 31 and the circumferential inner sidewall of the lower hopper 3, and an expansion link 52 disposed in the vibration spring 51, wherein two ends of the expansion link 52 are respectively hinged to the lower surface of the dustfall baffle 31 and the circumferential inner sidewall of the lower hopper 3; when the material contacts the upper surface of the dust fall baffle 31, the gravity of the material and the impact force during falling generate pressure on the dust fall baffle 31, so that one end of the dust fall baffle 31, which is far away from the circumferential inner side wall of the feed hopper, descends, and the vibration spring 51 is compressed at the moment; after the material slides down from the dust fall baffle 31, the vibration spring 51 rebounds to enable one end of the dust fall baffle 31 far away from the circumferential inner side wall of the blanking hopper 3 to ascend; when the materials fall onto the upper surface of the dust-falling baffle 31, the vibration spring 51 is compressed again and then rebounds, and the vibration spring 51 can keep the dust-falling baffle 31 in a continuous vibration state, so that the possibility that the materials are accumulated and adsorbed on the upper surface of the dust-falling baffle 31 is effectively reduced, convenience is provided for falling of the materials in the discharging hopper 3 on one hand, and the recovery rate of the materials is effectively improved on the other hand; due to the arrangement of the telescopic rod 52, on one hand, the telescopic direction of the vibration spring 51 is effectively limited, and on the other hand, the dust falling baffle 31 can be effectively supported.

Referring to fig. 1 and 3, the conveying mechanism 1 includes two conveying plates 11 arranged in parallel, a plurality of working rollers 12 rotatably connected between the two conveying plates 11, a conveying belt 13 sleeved on the circumferential outer side wall of each working roller 12, and a driving motor 14 for driving the conveying belt 13 to rotate, wherein the two working rollers 12 are respectively located at two ends of the conveying plates 11, the driving motor 14 is fixed with the central shaft of one of the working rollers 12, and the driving motor 14 is fixed at one side of the conveying plates 11 away from the working rollers 12; the dust cover 2 is fixedly arranged on the upper surfaces of the two conveying plates 11, and each supporting rod 111 is fixedly arranged below the conveying plates 11; the conveyor belt 13 includes a buffer area 131 arranged horizontally and a conveying area 132 arranged obliquely, wherein one end of the conveying area 132 away from the buffer area 131 is a top end; before feeding, the driving motor 14 is turned on, and the driving motor 14 drives the working roll 12 fixed with the output shaft thereof to rotate, so as to drive the conveyor belt 13 to rotate.

After entering the conveying mechanism 1 from the feeding port 21, the material firstly passes through the buffer area 131, and then enters the conveying area 132 from the buffer area 131 along with the rotation of the conveyor belt 13 until being finally sent into the conveying pipeline 22; the buffer area 131 is arranged to buffer the material effectively, and if a small amount of material entering the conveying area 132 reversely slides from the conveyor belt 13 to the buffer area 131, the small amount of material can be conveyed to the conveying area 132 again along with the rotation of the conveyor belt 13 until the small amount of material is finally conveyed into the conveying pipe 22.

Referring to fig. 2 and 4, the blanking pipeline 4 is vertically arranged, the position of the circumferential inner side wall of the blanking pipeline 4 close to the bottom end is rotatably connected with an overturning plate 41, and when the overturning plate 41 is in a horizontal state, the circumferential side wall of the overturning plate 41 is abutted to the circumferential inner side wall of the blanking pipeline 4; one end of the central shaft of the turnover plate 41 penetrates through the blanking pipeline 4, and one end of the central shaft of the turnover plate 41, which penetrates through the blanking pipeline 4, is provided with a driving assembly 6 for driving the turnover plate 41 to turn over; the driving assembly 6 comprises a driven gear 61 fixedly arranged at one end of the turnover plate 4, the central shaft of which penetrates through the blanking pipeline 4, a rack 62 meshed with the driven gear 61, and a hydraulic cylinder 63 arranged below the rack 62, wherein a piston rod of the hydraulic cylinder 63 is fixed with the bottom end of the rack 62; a supporting block 42 for supporting the rack 62 is fixedly arranged on the circumferential outer side wall of the blanking pipeline 4, and the rack 62 is connected with the supporting block 42 in a sliding manner.

When the blanking hopper 3 needs to be normally blanked, the hydraulic cylinder 63 is controlled to drive the rack 62 to generate vertical displacement, the rack 62 generates displacement to drive the driven gear 61 to rotate, and the driven gear 61 rotates to drive the turnover plate 41 to rotate until the turnover plate 41 is in a vertical state so as to enable the blanking pipeline 4 to be in a full-open state; when the blanking flow of the blanking hopper 3 needs to be reduced, the hydraulic cylinder 63 is controlled to lift and finally drive the turnover plate 41 to turn over until the opening of the blanking pipeline 4 is reduced to be proper, on one hand, the accuracy of flow control can be effectively improved through the arrangement of the hydraulic cylinder 63, and on the other hand, the rack 62 can be effectively supported through the hydraulic cylinder 63; meanwhile, when the material falls from the blanking pipeline 4, part of the material slowly slides down along the inclined surface of the turnover plate 41, so that the flying quantity of dust at the bottom end of the blanking pipeline 4 is effectively reduced; the stability and the accuracy of rack 62 during operation can effectively be improved in the setting of supporting shoe 42 to driven gear 61 and returning face plate 41's stability has been improved, and then the precision of unloading pipeline 4 to unloading flow control has effectively been improved.

The implementation principle of the feeding device for concrete production is as follows: before feeding, firstly, the driving motor 14 is started, the driving motor 14 drives the working rolls 12 and the conveyor belts 13 sleeved on the circumferential outer side walls of the working rolls 12 to rotate, the dust collection fan 231 is started, and the dust collection fan 231 is kept in a working state; the material is fed into the conveyor belt 13 from the feeding port 21, firstly enters the buffer area 131 of the conveyor belt 13, and then enters the conveying area 132 along with the rotation of the conveyor belt 13 until finally being fed into the lower hopper 3 through the conveying pipeline 22; when the materials are conveyed by the conveying mechanism 1, the dust collecting fan 231 can pump the dust floating in the dust cover 2 to the recovery pipeline 23, and the dust is finally conveyed into the discharging hopper 3 through the recovery pipeline 23; the buffer area 131 is arranged to buffer the material, and on the other hand, if a small amount of material entering the transfer area 132 slides back to the buffer area 131 in the opposite direction, the small amount of material will enter the transfer area 132 again along with the rotation of the conveyor belt 13 until finally entering the discharging hopper 3 through the conveying pipe 22; when the material is being conveyed by transport mechanism 1, the dust quantity that the dust cover 2's setting can effectively reduce near the device and fly upward to effectively improve the air quality near the device.

When falling, the material entering the blanking hopper 3 sequentially passes through the dust-fall baffles 31, and the dust-fall baffles 31 can effectively buffer the falling material, so that the floating quantity of dust in the blanking hopper 3 is effectively reduced; during the blanking process of the materials, a small part of the materials directly slide from the blanking holes 311, so that the falling speed of the materials is accelerated while the dust-settling baffle 31 plays a dust-settling role; vibrating spring 51 and telescopic link 52's setting can do effective support to dust fall baffle 31 on the one hand, and on the other hand can make dust fall baffle 31 at material whereabouts in-process continuous vibration to reduce and pile up the dust quantity of absorption at dust fall baffle 31 upper surface, thereby effectively improve the rate of recovery of material.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a loading attachment is used in concrete production, includes transport mechanism (1), accepts hopper (3) down at transport mechanism (1) end to and the intercommunication is at unloading pipeline (4) of hopper (3) bottom down, its characterized in that: the conveying mechanism (1) comprises two conveying plates (11) arranged in parallel, a plurality of working rollers (12) rotatably connected between the two conveying plates (11), a conveying belt (13) sleeved on the circumferential outer side wall of each working roller (12), and a driving motor (14) fixed with the central shaft of one of the working rollers (12), wherein the two working rollers (12) are respectively positioned at two ends of the conveying plates (11), the driving motor (14) is fixed at one side of the conveying plates (11) deviating from the working rollers (12), and a plurality of supporting rods (111) are fixedly arranged below the conveying plates (11) and the blanking hopper (3); a dust cover (2) is fixedly arranged above the conveying plate (11), the conveying belt (13) is positioned in the dust cover (2), and a feeding hole (21) is formed in the bottom end of the side wall of the dust cover (2) far away from the discharging hopper (3); the lateral wall intercommunication that the feed opening was kept away from in dust cover (2) has conveying pipeline (22), and the lateral wall that the feed opening was kept away from in dust cover (2) is close to the position intercommunication on top has recovery duct (23), wherein has set firmly collection dirt fan (231) in recovery duct (23), and recovery duct (23) and conveying pipeline (22) deviate from the one end of dust cover (2) all with lower hopper (3) upper surface intercommunication.

2. A feeding device for concrete production according to claim 1, characterized in that: and a dust bag (232) is fixedly arranged at one end of the recovery pipeline (23) far away from the dust cover (2), and one end of the dust bag (232) far away from the recovery pipeline (23) is communicated with the upper surface of the feed hopper.

3. A feeding device for concrete production according to claim 1, characterized in that: the two conveying plates (11) are rotatably connected with press rollers (112), the two press rollers (112) are opposite to each other, and the bottoms of the circumferential outer side walls of the two press rollers (112) are abutted to the upper surface of the conveying belt (13); the two press rollers (112) divide the conveyor belt (13) into a buffer area (131) arranged horizontally and a conveying area (132) arranged obliquely, and one end of the conveying area (132) far away from the buffer area (131) is the top end.

4. A feeding device for concrete production according to claim 1, characterized in that: a plurality of dust-settling baffles (31) are hinged to the circumferential inner side wall of the discharging hopper (3), and the dust-settling baffles (31) are arranged from the top end to the bottom end of the discharging hopper (3) in a staggered mode; each dust-settling baffle (31) is obliquely arranged, and one end of each dust-settling baffle (31) departing from the circumferential inner side wall of the discharge hopper (3) is a bottom end; and a supporting component (5) for supporting the dust-settling baffle (31) is fixedly arranged on the circumferential inner side wall of the lower hopper (3).

5. A concrete produce with loading attachment according to claim 4, characterized by that: support assembly (5) include that one end sets firmly a plurality of vibrating spring (51) at feeder hopper circumference inside wall to and establish telescopic link (52) in vibrating spring (51), vibrating spring (51) deviate from down the one end of hopper (3) circumference inside wall and dust fall baffle (31) deviate from the lateral wall of transfer line (22) fixed, the both ends of telescopic link (52) deviate from the lateral wall of transfer line (22) and the circumference inside wall of hopper (3) is articulated down with dust fall baffle (31) respectively.

6. A concrete produce with loading attachment according to claim 5, characterized by that: a plurality of discharging holes (311) are formed in the upper surface of the dust falling baffle (31).

7. A feeding device for concrete production according to claim 1, characterized in that: a turnover plate (41) is rotatably connected to a position, close to the bottom end, in the blanking pipeline (4), and when the turnover plate (41) is in a horizontal state, the blanking pipeline (4) is closed by the turnover plate (41); one end of a rotating shaft of the turnover plate (41) extends out of the blanking pipeline (4) and is provided with a driving component (6) used for controlling the turnover of the turnover plate (41).

8. A concrete produce with loading attachment according to claim 7, characterized by that: the driving assembly (6) comprises a driven gear (61), a rack (62) meshed with the driven gear (61), and a hydraulic cylinder (63) arranged below the rack (62), and the bottom end of the hydraulic cylinder (63) is flush with the bottom end of the supporting rod (111); a piston rod of the hydraulic cylinder (63) is fixed with the rack (62), and one end of the rotating shaft of the turnover plate (41) extending out of the blanking pipeline (4) is coaxially fixed with the driven gear (61).