CN215359179U

CN215359179U - Raw material conveying device for concrete processing

Info

Publication number: CN215359179U
Application number: CN202121832351.0U
Authority: CN
Inventors: 王孟雅
Original assignee: Baoding Ruitai Concrete Industry Co ltd
Current assignee: Baoding Ruitai Concrete Industry Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2021-12-31
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses a raw material conveying device for concrete processing, which comprises a horizontally arranged supporting plate and two vertically arranged fixing seats, wherein a cavity is formed in the supporting plate, two groups of transverse buffer assemblies and two groups of vertically arranged directional buffer assemblies are respectively used for supporting the two fixing seats in the cavity, round holes are formed in the top ends of the opposite sides of the two fixing seats, the two round holes are fixedly connected with a conveying cylinder which is horizontally arranged, a horizontally arranged feeding hopper is connected to one side of the top end of the conveying cylinder in a threaded manner, a conveying assembly is arranged in the conveying cylinder, and a vertically arranged protective shell is sleeved on one side, away from the feeding hopper, of the outer wall of the conveying cylinder. According to the utility model, by arranging the conveying cylinder, closed conveying can be realized, dust generated in the conveying process of the concrete raw material is effectively prevented from floating into the air, the environmental pollution is reduced, and a good working environment is ensured.

Description

Raw material conveying device for concrete processing

Technical Field

The utility model relates to the technical field of concrete processing, in particular to a raw material conveying device for concrete processing.

Background

The concrete is artificial stone which is prepared by taking cement as a main cementing material, mixing water, sand, stones and chemical additives and mineral admixtures as necessary according to a proper proportion, uniformly stirring, densely forming, curing and hardening, and is mainly divided into two stages and states: plastic state before setting and hardening, namely fresh concrete or concrete mixture; hardened, i.e. hardened concrete or concrete.

In the concrete processing process, a raw material conveying device is needed.

Present raw materials conveyor, the function singleness does not possess impurity filtering capability, only is simple carry the raw materials, and the practicality is poor, contrast a raw materials conveyor for foam concrete processing (CN 211418575U), and the device only drives helical blade rotation through driving motor, and the material in the transport tank body does not have impurity filtering capability, can't guarantee the quality of raw materials, reduces concrete processing's quality, for the quality that improves the concrete, now proposes a raw materials conveyor for concrete processing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a raw material conveying device for concrete processing.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a raw materials conveyor is used in concrete processing, includes the backup pad that the level was placed and two vertical fixing bases of placing, inside the opening of backup pad has the cavity, and be used for supporting two sets of horizontal buffering subassemblies of two fixing bases and two sets of vertical placing to the buffering subassembly in the cavity respectively two the round hole has all been opened on the relative one side top of fixing base, and the same level of two round hole internal fixation connected with transport cylinder of placing, the spiro union has the feeder hopper that the level was placed on one side of the transport cylinder top, and is equipped with transport assembly in the transport cylinder, the transport cylinder outer wall is kept away from feeder hopper one side cover and is equipped with the vertical protective housing of placing, and is equipped with filtration and is used for fixed filtration's spacing subassembly in the protective housing, open the protective housing bottom has the bin outlet, it has the round mouth to open on one side of bin outlet to be close to the transport cylinder.

Furthermore, four corners on the top end of the supporting plate are provided with rectangular grooves, and mounting holes are formed in the bottom ends of the four rectangular grooves.

Further, horizontal buffering subassembly includes the trapezoidal slider of vertical placing, trapezoidal slider and cavity inner wall bottom sliding connection, and the welding has the second buffer spring of level placement between cavity and the trapezoidal slider, trapezoidal slider top and one of them fixing base bottom one side contact.

Further, vertical placing includes two U type seats that the level was placed to the buffering subassembly, two U type seat opening direction is in opposite directions, and the welding has same vertical telescopic link of placing between two U type seats, telescopic link surface cover is equipped with the first buffer spring of vertical placing, and both ends weld in opposite directions one side with two U type seats respectively about the first buffer spring, two U type seat respectively with fixing base bottom middle part and cavity inner wall bottom middle part fixed connection.

Further, conveying component includes conveying motor and the pivot that the level was placed, conveying motor and auger blade outer wall are close to feeder hopper one side fixed connection, and the conveying motor output shaft passes a conveying section of thick bamboo and pivot one end fixed connection, the pivot is close to conveying motor one end and is connected with the rotation of conveying section of thick bamboo inner wall, and the auger blade that pivot fixed surface connected with level was placed.

Further, filtration includes the trapezoidal filter of vertical placement and the T template that the level was placed, conveyer cylinder one side middle part fixed connection is kept away from with the protective housing inner wall to T template one side, and the T template is close to conveyer cylinder one side and is kept away from conveyor motor one end with the pivot and rotate and be connected, the T template is close to the relative one side of conveyer cylinder and all opens flutedly, and all is equipped with filter assembly in two recesses, filter assembly includes vertical trapezoidal filter and the extension spring of placing, the extension spring top all offsets with trapezoidal filter bottom, and is the rectangular array between the extension spring and distributes, two the extension spring bottom all welds with recess inner wall bottom, and trapezoidal filter and recess inner wall sliding connection.

Further, the conveying motor is connected with a switch, and the switch is connected with a power line.

Further, spacing subassembly includes C type pole and two sets of fastening components that the level was placed, C type pole passes protective housing and two trapezoidal filter and keeps away from the contact of conveying cylinder one side, and the C type pole is close to trapezoidal filter both ends and overlaps respectively and be equipped with the vertical sealed rubber ring of placing, two sealed rubber ring and protective housing inner wall fixed connection, fastening components includes stopper and the vertical locating lever of placing that the level was placed, stopper and protective housing outer wall are close to C type pole one side fixed connection, the locating lever bottom is passed stopper and C type pole top joint.

Further, spacing subassembly includes C type pole and two sets of fastening components that the level was placed, C type pole passes protective housing and two trapezoidal filter and keeps away from the contact of conveying cylinder one side, and the C type pole is close to trapezoidal filter both ends and overlaps respectively and be equipped with the vertical sealed rubber ring of placing, two sealed rubber ring and protective housing inner wall fixed connection, fastening components includes the vertical spacing bolt of placing and the stop nut of level placement, C type pole and stop nut spiro union are passed to the stop bolt bottom.

The utility model has the beneficial effects that:

1. through setting up the transport cylinder, can realize closed transport, effectually avoid concrete raw materials to produce in transportation process drifting to the air of dust, reduce environmental pollution, guarantee good operational environment, the auger blade that the cooperation set up, realize concrete raw materials's transport purpose, not only can strike off the raw materials of adhering to at transport cylinder inner wall, avoid the waste of resource, also can improve the equal and degree that concrete raw materials mixes, guarantee its quality of mixing, thereby improve the processingquality of concrete, combine the transport motor who sets up, can adjust concrete raw materials's transport speed, thereby satisfy different processing demands.

2. Through setting up trapezoidal filter, the impurity amount of doping in the effectual reduction concrete raw materials further guarantees the quality of concrete raw materials, reaches good filtration processing, and the trapezoidal filter in different apertures can be changed to the protective housing and the extension spring that the cooperation set up, satisfies different filtration demands, and the practicality is strong, combines the spacing subassembly that sets up, can concentrate the impurity of doping in the collection concrete raw materials, and it is convenient to collect, also alleviates collection intensity, saves time.

3, through setting up two fixing bases, play the support fixed action to carrying a section of thick bamboo, guarantee the steady operation of carrying work, the vibrations power that produces in the work of carrying is alleviated to horizontal buffering subassembly and the vertical buffering subassembly that the cooperation set up, avoids the device to rock, reaches good balanced effect, also can play noise reduction, combines the backup pad that sets up, further improves the stability of carrying work.

Drawings

FIG. 1 is a schematic view of a three-dimensional partial explosion structure of a raw material conveying device for concrete processing provided by the utility model with a limiting component removed;

FIG. 2 is a schematic plan sectional view showing a structure of a raw material conveying apparatus for concrete processing according to embodiment 1 of the present invention;

FIG. 3 is an enlarged schematic structural view of an embodiment 1A of the concrete processing raw material conveying apparatus according to the present invention;

FIG. 4 is a schematic cross-sectional side view of a concrete processing material conveying apparatus according to the present invention;

FIG. 5 is a schematic plan sectional view showing the structure of an embodiment 2 of the raw material conveying apparatus for concrete processing according to the present invention;

fig. 6 is an enlarged schematic structural view of an embodiment 2B of the raw material conveying apparatus for concrete processing according to the present invention.

In the figure: 1. a conveying motor; 2. a feed hopper; 3. a rotating shaft; 4. a screw blade; 5. a delivery cartridge; 6. a trapezoidal filter plate; 7. a protective shell; 8. a C-shaped rod; 9. a T-shaped plate; 10. a tension spring; 11. sealing the rubber ring; 12. a first buffer spring; 13. a fixed seat; 14. a cavity; 15. a trapezoidal slider; 16. a telescopic rod; 17. a second buffer spring; 18. a U-shaped seat; 19. a support plate; 20. a limiting block; 21. positioning a rod; 22. a limit bolt; 23. and a limiting nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

Referring to fig. 1-4, a raw material conveying device for concrete processing comprises a horizontally arranged supporting plate 19 and two vertically arranged fixing seats 13, wherein a cavity 14 is formed in the supporting plate 19, two groups of transverse buffer assemblies and two groups of vertically arranged lateral buffer assemblies are respectively used for supporting the two fixing seats 13 in the cavity 14, round holes are respectively formed in the top ends of the opposite sides of the two fixing seats 13, the two round holes are fixedly connected with a same horizontally arranged conveying cylinder 5 through bolts, a horizontally arranged feeding hopper 2 is screwed on one side of the top end of the conveying cylinder 5, a conveying assembly is arranged in the conveying cylinder 5, a vertically arranged protective shell 7 is sleeved on one side, away from the feeding hopper 2, of the outer wall of the conveying cylinder 5, a filtering structure and a limiting assembly used for fixing the filtering structure are arranged in the protective shell 7, a discharging opening is formed in the bottom end of the protective shell 7, a round opening is formed on one side, close to the discharging opening, of the conveying cylinder 5, preferably, four corners of the top end of the supporting plate 19 are all provided with rectangular grooves, the bottom ends of the four rectangular grooves are all provided with mounting holes, further, the transverse buffering component comprises a vertically-arranged trapezoidal sliding block 15, the trapezoidal sliding block 15 is connected with the bottom end of the inner wall of the cavity 14 in a sliding manner, a horizontally-arranged second buffering spring 17 is welded between the cavity 14 and the trapezoidal sliding block 15, the top end of the trapezoidal sliding block 15 is contacted with one side of the bottom end of one of the fixed seats 13, preferably, the vertically-arranged buffer component comprises two horizontally-arranged U-shaped seats 18, the opening directions of the two U-shaped seats 18 are opposite, a same vertically-arranged telescopic rod 16 is welded between the two U-shaped seats 18, the surface of the telescopic rod 16 is sleeved with the vertically-arranged first buffering spring 12, the upper end and the lower end of the first buffering spring 12 are respectively welded with one side of the two opposite U-shaped seats 18, the two U-shaped seats 18 are respectively fixedly connected with the middle part of the bottom end of the fixed seat 13 and the middle part of the bottom end of the inner wall of the cavity 14 through bolts, through arranging two fixing seats, the conveying cylinder is supported and fixed, the stable operation of conveying work is ensured, the transverse buffer assembly and the vertical buffer assembly are arranged in a matched manner, the vibration force generated in the conveying work is relieved, the device is prevented from shaking, a good balance effect is achieved, and a noise reduction effect is also achieved, the stability of the conveying work is further improved by combining the arranged support plate, in order to realize the conveying of raw materials, the conveying assembly comprises a conveying motor 1 and a rotating shaft 3 which are horizontally arranged, the conveying motor 1 is fixedly connected with one side, close to a feed hopper 2, of the outer wall of an auger blade 4 through a bolt, an output shaft of the conveying motor 1 penetrates through the conveying cylinder 5 to be fixedly connected with one end of the rotating shaft 3 through the bolt, one end, close to the conveying motor 1, of the rotating shaft 3 is rotatably connected with the inner wall of the conveying cylinder 5, and the surface of the rotating shaft 3 is fixedly connected with the horizontally arranged auger blade 4 through the bolt, by arranging the conveying cylinder, closed conveying can be realized, dust generated in the conveying process of concrete raw materials is effectively prevented from scattering into the air, environmental pollution is reduced, good working environment is ensured, the conveying purpose of the concrete raw materials is realized by matching the arranged auger blades, the raw materials attached to the inner wall of the conveying cylinder can be scraped, waste of resources is avoided, the mixing uniformity of the concrete raw materials can be improved, the mixing quality of the concrete raw materials is ensured, the processing quality of the concrete is improved, the conveying motor is combined, the conveying speed of the concrete raw materials can be adjusted, different processing requirements are met, in order to ensure the processing quality of the concrete, the filtering structure comprises a vertically arranged trapezoidal filtering plate 6 and a horizontally arranged T-shaped plate 9, one side of the T-shaped plate 9 is fixedly connected with the middle part of the inner wall of the protective shell 7, which is far away from the conveying cylinder 5 through bolts, and one side of the T-shaped plate 9 close to the conveying cylinder 5 is rotationally connected with one end of the rotating shaft 3 far away from the conveying motor 1, one side of the T-shaped plate 9 close to the conveying cylinder 5 is provided with a groove, and two grooves are internally provided with a filtering component which comprises a trapezoidal filter plate 6 and a plurality of tension springs 10 which are vertically arranged, the top ends of the tension springs 10 are propped against the bottom end of the trapezoidal filter plate 6, and the tension springs 10 are distributed in a rectangular array, the bottom ends of the two tension springs 10 are welded with the bottom end of the inner wall of the groove, and the trapezoidal filter plate 6 is connected with the inner wall of the groove in a sliding way, preferably, the conveying motor 1 is connected with a switch which is connected with a power cord, in order to solve the problem of impurity collection, the limiting component comprises a C-shaped rod 8 and two groups of fastening components which are horizontally arranged, the C-shaped rod 8 passes through a protective shell 7 to be contacted with one side of the two trapezoidal filter plates 6 far away from the conveying cylinder 5, and two ends of the C-shaped rod 8 close to the trapezoidal filter plate 6 are respectively provided with a sealing rubber ring 11 which is vertically arranged, two sealed rubber ring 11 pass through bolt fixed connection with 7 inner walls of protective housing, fastening components includes stopper 20 and the vertical locating lever 21 of placing of level, stopper 20 and 7 outer walls of protective housing are close to 8 one sides of C type pole and pass through bolt fixed connection, stopper 20 and 8 top joints of C type pole are passed to locating lever 21 bottom, through setting up trapezoidal filter, the impurity amount of doping in the effectual reduction concrete raw materials, further guarantee the quality of concrete raw materials, reach good filtration treatment, protective housing and extension spring that the cooperation set up, can change the trapezoidal filter in different apertures, satisfy different filtration demands, therefore, the clothes hanger is strong in practicability, combine the spacing subassembly that sets up, can concentrate the impurity of doping in the collection concrete raw materials, it is convenient to collect, also alleviate and collect intensity, and save time.

The working principle of the embodiment is as follows: firstly, bolts are put into four mounting holes to fix a support plate 19 with the ground and ensure the operation of conveying work, the conveying cylinders 5 with different specifications can be replaced by arranging a fixed seat 13, the conveying amount of raw materials is adjusted, the working efficiency is improved, then one or more concrete raw materials are poured into a feed hopper 2 according to the processing requirement, the power supply of a conveying motor 1 is switched on to control the work, a rotating shaft 3 is driven to rotate, and further a packing auger blade 4 is driven to rotate, so that the conveying function of the raw materials is realized, when the conveying work is carried out, the stability of the conveying work is further ensured by arranging a first buffer spring 12 and a second buffer spring 17 under the coordination of a trapezoidal sliding block 15, a telescopic rod 16 and a U-shaped seat 18, the purpose of certain noise reduction is also achieved, then, impurities in the raw materials can be separated by arranging a trapezoidal filter plate 6, and the quality of concrete processing is ensured, under the coordination of the limiting component, the trapezoidal filter plate 6 is fixed, the quality of concrete is effectively improved, the auger blade 4 rotates, can scrape off the raw materials attached to the inner wall of the conveying cylinder 5, avoids the waste of resources, the obtained raw materials fall into the protective shell 7 and are discharged through the discharge hole, then the positioning rod 21 is taken out, the C-shaped rod 8 is moved to the left, under the action of the tension spring 10, the two trapezoidal filter plates 6 are close to each other, and under the cooperation of the conveying motor 1, so that the impurities are discharged from the discharge port, the classification treatment of the raw materials and the impurities is realized, the bolts between the protective shell 7 and the conveying cylinder 5 can be unscrewed according to the processing requirement of the concrete, the protective shell 7 is taken down, the two trapezoidal filter plates 6 are taken out, thereby reach the purpose that 6 changes of trapezoidal filter, satisfy different filtration demands, and then realize the raw materials of different quality.

Example 2

Referring to fig. 1, 4, 5, 6, a raw materials conveyor this embodiment is used in concrete processing is for embodiment 1, the main difference lies in this embodiment, spacing subassembly includes C type pole 8 and two sets of fastening components that the level was placed, C type pole 8 passes protective housing 7 and two trapezoidal filter 6 and keeps away from the contact of 5 one sides of transport cylinder, and C type pole 8 is close to trapezoidal filter 6 both ends and overlaps respectively and is equipped with vertical sealed rubber ring 11 of placing, two sealed rubber ring 11 pass through bolt fixed connection with protective housing 7 inner wall, fastening components includes vertical spacing bolt 22 of placing and the spacing nut 23 of horizontal placement, C type pole 8 and the spiro union of spacing nut 23 are passed to spacing bolt 22 bottom, combine the spacing subassembly of setting, can concentrate the impurity of adulteration in the collection concrete raw materials, it is convenient to collect, also alleviate and collect intensity, save time.

The working principle of the embodiment is as follows: firstly, bolts are put into four mounting holes to fix a support plate 19 with the ground and ensure the operation of conveying work, the conveying cylinders 5 with different specifications can be replaced by arranging a fixed seat 13, the conveying amount of raw materials is adjusted, the working efficiency is improved, then one or more concrete raw materials are poured into a feed hopper 2 according to the processing requirement, the power supply of a conveying motor 1 is switched on to control the work, a rotating shaft 3 is driven to rotate, and further a packing auger blade 4 is driven to rotate, so that the conveying function of the raw materials is realized, when the conveying work is carried out, the stability of the conveying work is further ensured by arranging a first buffer spring 12 and a second buffer spring 17 under the coordination of a trapezoidal sliding block 15, a telescopic rod 16 and a U-shaped seat 18, the purpose of certain noise reduction is also achieved, then, impurities in the raw materials can be separated by arranging a trapezoidal filter plate 6, and the quality of concrete processing is ensured, under the coordination of the limiting component, the trapezoidal filter plate 6 is fixed, the quality of concrete is effectively improved, the auger blade 4 rotates, can scrape the raw materials attached to the inner wall of the conveying cylinder 5, avoids the waste of resources, and the obtained raw materials fall into the protective shell 7, discharging through a discharge port, rotating a limit nut 23, taking out a limit bolt 22, moving the C-shaped rod 8 leftwards, under the action of the tension spring 10, the two trapezoidal filter plates 6 are close to each other, and under the cooperation of the conveying motor 1, so that the impurities are discharged from the discharge port, the classification treatment of the raw materials and the impurities is realized, the bolts between the protective shell 7 and the conveying cylinder 5 can be unscrewed according to the processing requirement of the concrete, the protective shell 7 is taken down, the two trapezoidal filter plates 6 are taken out, thereby reach the purpose that 6 changes of trapezoidal filter, satisfy different filtration demands, and then realize the raw materials of different quality.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", "first", "second", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present patent application, it is to be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed, and the specific meaning of the terms in the patent will be understood by those skilled in the art according to the specific situation.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A raw material conveying device for concrete processing comprises a horizontally arranged supporting plate (19) and two vertically arranged fixing seats (13), and is characterized in that a cavity (14) is formed in the supporting plate (19), two groups of transverse buffering components and two groups of vertically arranged buffering components are respectively used for supporting the two fixing seats (13) in the cavity (14), round holes are formed in the top end of one opposite side of each fixing seat (13), the two round holes are fixedly connected with the same horizontally arranged conveying cylinder (5), a horizontally arranged feeding hopper (2) is screwed on one side of the top end of each conveying cylinder (5), a conveying component is arranged in each conveying cylinder (5), a vertically arranged protective shell (7) is sleeved on one side, far away from the feeding hopper (2), of the outer wall of each conveying cylinder (5), a filtering structure and a limiting component for fixing the filtering structure are arranged in the protective shell (7), the bottom end of the protective shell (7) is provided with a discharge hole, and one side of the conveying cylinder (5) close to the discharge hole is provided with a round hole.

2. The concrete processing raw material conveying device according to claim 1, wherein four corners of the top end of the supporting plate (19) are provided with rectangular grooves, and the bottom ends of the four rectangular grooves are provided with mounting holes.

3. The raw material conveying device for concrete processing according to claim 2, wherein the transverse buffering assembly comprises a vertically-arranged trapezoidal sliding block (15), the trapezoidal sliding block (15) is slidably connected with the bottom end of the inner wall of the cavity (14), a horizontally-arranged second buffering spring (17) is welded between the cavity (14) and the trapezoidal sliding block (15), and the top end of the trapezoidal sliding block (15) is in contact with one side of the bottom end of one of the fixed seats (13).

4. The raw material conveying device for concrete processing according to claim 3, wherein the vertically-arranged lateral buffer assembly comprises two horizontally-arranged U-shaped seats (18), the two U-shaped seats (18) are opposite in opening direction, a same vertically-arranged telescopic rod (16) is welded between the two U-shaped seats (18), a vertically-arranged first buffer spring (12) is sleeved on the surface of the telescopic rod (16), the upper end and the lower end of the first buffer spring (12) are respectively welded on the opposite sides of the two U-shaped seats (18), and the two U-shaped seats (18) are respectively fixedly connected with the middle of the bottom end of the fixed seat (13) and the middle of the bottom end of the inner wall of the cavity (14).

5. The raw material conveying device for concrete processing according to claim 4, wherein the conveying assembly comprises a conveying motor (1) and a rotating shaft (3) which are horizontally arranged, the outer wall of the conveying motor (1) and the outer wall of the auger blade (4) are close to one side of the feed hopper (2) and are fixedly connected, the output shaft of the conveying motor (1) penetrates through the conveying cylinder (5) and one end of the rotating shaft (3) and is fixedly connected with the inner wall of the conveying cylinder (5), and the surface of the rotating shaft (3) is fixedly connected with the auger blade (4) which is horizontally arranged.

6. The raw material conveying device for concrete processing according to claim 5, wherein the filtering structure comprises a vertically arranged trapezoid filtering plate (6) and a horizontally arranged T-shaped plate (9), one side of the T-shaped plate (9) is fixedly connected with the middle part of one side of the inner wall of the protective shell (7) far away from the conveying cylinder (5), one side of the T-shaped plate (9) close to the conveying cylinder (5) is rotatably connected with one end of the rotating shaft (3) far away from the conveying motor (1), one side of the T-shaped plate (9) close to the conveying cylinder (5) is provided with a groove, two grooves are internally provided with filtering components, each filtering component comprises a vertically arranged trapezoid filtering plate (6) and a plurality of tension springs (10), the top ends of the tension springs (10) are respectively abutted against the bottom ends of the trapezoid filtering plate (6), the tension springs (10) are distributed in a rectangular array, and the bottom ends of the two tension springs (10) are respectively welded with the bottom ends of the inner walls of the grooves, and the trapezoidal filter plate (6) is connected with the inner wall of the groove in a sliding way.

7. The concrete processing raw material conveying device according to claim 6, wherein the conveying motor (1) is connected with a switch, and the switch is connected with a power line.

8. The concrete processing raw material conveying apparatus according to claim 7, the limiting assembly comprises a C-shaped rod (8) and two groups of fastening assemblies, the C-shaped rod (8) penetrates through the protective shell (7) to be in contact with one sides of the two trapezoidal filter plates (6) far away from the conveying cylinder (5), and the two ends of the C-shaped rod (8) close to the trapezoidal filter plate (6) are respectively sleeved with vertically arranged sealing rubber rings (11), the two sealing rubber rings (11) are fixedly connected with the inner wall of the protective shell (7), the fastening component comprises a horizontally arranged limiting block (20) and a vertically arranged positioning rod (21), the limiting block (20) is fixedly connected with one side of the outer wall of the protective shell (7) close to the C-shaped rod (8), the bottom end of the positioning rod (21) penetrates through the limiting block (20) to be clamped with the top end of the C-shaped rod (8).

9. The raw material conveying device for concrete processing according to claim 7, wherein the limiting assembly comprises a horizontally placed C-shaped rod (8) and two sets of fastening assemblies, the C-shaped rod (8) passes through the protective shell (7) to contact with one side of the two trapezoidal filter plates (6) far away from the conveying cylinder (5), the two ends of the C-shaped rod (8) close to the trapezoidal filter plates (6) are respectively sleeved with a vertically placed sealing rubber ring (11), the two sealing rubber rings (11) are fixedly connected with the inner wall of the protective shell (7), the fastening assemblies comprise a vertically placed limiting bolt (22) and a horizontally placed limiting nut (23), and the bottom end of the limiting bolt (22) passes through the C-shaped rod (8) to be in threaded connection with the limiting nut (23).