High-performance concrete preparation discharging machine
Technical Field
The invention relates to the technical field of concrete processing, in particular to a high-performance concrete preparation discharging machine.
Background
Concrete is a common building material and is formed by mixing sand, a cementing material and slurry, and the concrete needs to be stirred by a stirring device so as to uniformly mix all components in the concrete.
Currently, patent No. CN201720206426.1 a concrete mixer, including the agitator of vertical setting, follow the (mixing) shaft that the agitator axis set up, be used for the drive (mixing) shaft pivoted driving piece is still including being fixed in (mixing) epaxial first helical blade, being fixed in the mounting bracket of agitator inner wall, following agitator axial setting and both ends rotate connect in many axis of rotation on the mounting bracket, be fixed in axis of rotation epaxial second helical blade, the axis of rotation link in the (mixing) shaft. The utility model has the advantages of it is following and effect: adopt driving piece drive (mixing) shaft to rotate, the concrete of epaxial first helical blade in with the agitator is carried from top to bottom, links in the axis of rotation of (mixing) shaft after, and the concrete of epaxial second helical blade in with the agitator is carried from bottom to top, makes the concrete circulation flow in the agitator, has reached the even effect of concrete mixing.
The concrete mixer disclosed in the above patent still has some disadvantages in practical use, and the specific disadvantages are that:
firstly, concrete is easy to settle at the bottom in the stirring process, so that the concrete mixing is not uniform;
secondly, the concrete is easy to adhere to the inner wall of the mixing cavity in the stirring process, and the concrete adhered to the inner wall cannot be uniformly mixed with other concrete, so that the concrete mixing is not uniform.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a high-performance concrete preparation discharging machine, which solves the technical problems that concrete is easy to precipitate at the bottom in the stirring process, so that the concrete mixing is not uniform, the concrete is easy to adhere to the inner wall of a mixing cavity in the stirring process, the concrete adhered to the inner wall cannot be uniformly mixed with other concrete, and the concrete mixing is not uniform.
The technical problem to be solved by the invention is realized by adopting the following technical scheme: a high-performance concrete preparation discharging machine comprises a bottom supporting plate, wherein supporting leg supports are arranged at the bottom end of the bottom supporting plate, a walking wheel is installed at the bottom end of each supporting leg, a cylindrical stirring cylinder is installed at the top end of the bottom supporting plate, a motor is installed at the top end of the stirring cylinder, an output shaft extends downwards from the bottom end of the motor, a circular hole-shaped mixing cavity is formed in the stirring cylinder, a rotating shaft is arranged at the central position of the mixing cavity, two ends of the rotating shaft are installed in the mixing cavity through bearings, the top end of the rotating shaft penetrates through the stirring cylinder through the bearings and extends out of the top end of the stirring cylinder, the top end of the rotating shaft extending out of the top end of the stirring cylinder is fixedly connected with the output shaft of the motor, a plurality of supporting rods are arranged on the outer circumferential surface of the rotating shaft at equal, the stirring plate is positioned below the supporting rod, a sinking groove with a circular ring structure is formed in the bottom surface of the mixing cavity, the bottom end of the stirring plate is embedded into the sinking groove, a plurality of stirring claws which are distributed at equal intervals are arranged at the top end of the stirring plate, and each stirring claw is provided with an arc-shaped structure;
the bottom end of the outer wall of the mixing drum is fixedly provided with a downward inclined discharging drum, a discharging cavity is formed in the discharging drum, the top end of the discharging cavity is communicated with a mixing cavity in the mixing drum, the upper end face of the discharging cavity is provided with a through notch, a baffle is arranged in the notch of the discharging cavity in a sliding fit mode, and the lower end of the discharging drum is provided with a discharging port;
the top of bracing piece is fixed with scrapes the flitch, it is equipped with a plurality ofly altogether to scrape the flitch, scrape the flitch and equally spaced the setting at the inner wall in blending chamber, just each of bracing piece top is scraped the flitch and is all closed on in the inner wall in blending chamber.
As a preferred technical scheme of the invention, the discharging cylinder comprises a helical blade, a stirring rod, a transmission shaft, a fixing cover, a rolling bearing, a coupler and a second motor, the second motor is fixedly arranged at the bottom end of the discharging cylinder, the fixing cover is arranged in the discharging cavity, the fixing cover is arranged below the discharging port in the discharging cavity, a through round hole is formed in the middle of the fixing cover, the transmission shaft is arranged in the round hole in the middle of the fixing cover through the rolling bearing, the helical blade is arranged at the top end of the transmission shaft, the stirring rod is arranged below the helical blade, and the stirring rods are arranged on the transmission shaft below the helical blade at equal intervals.
As a preferred technical scheme of the invention, the material stirring rod comprises saw tooth sheets, ejector rods, corrugated grooves, push rods, springs, support columns, spring holes and sliding grooves, the inner wall of a discharge cavity of the discharge cylinder is provided with the corrugated grooves distributed circumferentially, the side wall of each material stirring rod facing the rotation direction of the material stirring rod is provided with the sliding groove, the saw tooth sheets are embedded into the sliding grooves in a sliding fit manner, one end of each saw tooth sheet embedded into the sliding groove is provided with the ejector rod, the ejector rods are embedded into the corrugated grooves, the other end of each saw tooth sheet embedded into the sliding groove is provided with the push rod, the middle part of the transmission shaft is provided with the spring hole, the middle part of each spring hole is provided with the support column of a hexagonal prism structure, the push rods are embedded into the spring holes in a sliding fit manner, and the top end of each push rod.
As a preferable technical scheme of the invention, the top end of the ejector rod is of a semi-sphere structure.
As a preferable technical scheme of the invention, the side wall of each sawtooth piece facing to the rotation direction of the stirring rod is provided with sawteeth with a triangular structure.
As a preferable technical solution of the present invention, the scraping plate is an arc-shaped plate bent forward at a top end of each of the support rods.
Compared with the prior art, the invention at least comprises the following beneficial effects:
firstly, a round hole-shaped mixing cavity is arranged in the mixing drum, a rotatable supporting rod is arranged in the mixing cavity, the supporting rod is driven by a motor to rotate in the mixing cavity, so that concrete in the mixing cavity is mixed and stirred uniformly, scraping plates are fixed at the top ends of the supporting rods, each scraping plate is close to the inner wall of the mixing cavity, so that concrete adhered to the inner wall of the mixing cavity is scraped by the scraping plates in the rotating process of the supporting rods in the mixing cavity, concrete blocks mixed in the concrete are prevented from being adhered to the inner wall of the mixing cavity, the concrete is not uniformly stirred in the mixing cavity, the supporting rods are enabled to stand upright in the mixing cavity by the scraping plates in the rotating process, the flow of the concrete in the mixing cavity is pushed by the scraping plates, the flowability of the concrete in the mixing cavity is improved, and the uniform mixing of the concrete is facilitated, be provided with the stirring dish through the bottom at the axis of rotation, the top of stirring dish is provided with the stirring claw that many equidistance distribute, carries out the stirring of stirring to depositing at the concrete of compounding chamber bottom for the axis of rotation is at the pivoted in-process, carries out the compounding stirring through bracing piece and scraper plate to the concrete of compounding intracavity, stirs the stirring through stirring dish to the concrete that deposits at compounding chamber bottom, is favorable to improving the compounding stirring uniformity of concrete.
The discharging cavity is arranged inside the discharging barrel, so that concrete in the mixing cavity can be conveniently discharged to the outside, the transmission shaft is arranged in the discharging cavity, the spiral blade is arranged at the top end of the transmission shaft, the discharging speed of warm concrete in the discharging cavity is increased by stirring of the spiral blade, the condition that the concrete is discharged too slowly and accumulated in the discharging cavity is avoided, the discharging speed of the warm concrete in the discharging cavity is improved, the stirring rod is arranged below the spiral blade, and the stirring rod is driven to rotate in the discharging cavity in the process of driving the spiral blade to rotate through the transmission shaft, so that the concrete pushed by the spiral blade is stirred, the activity of concrete flowing in the discharging cavity is improved, and the flowability of the concrete in the discharging cavity is improved.
The corrugated grooves distributed circumferentially are arranged on the inner wall of the discharging cavity, and in the rotating process of the stirring rod in the discharging cavity, the corrugated grooves push the sawtooth sheets to swing back and forth on the side wall of the stirring rod, so that concrete and harder concrete blocks accumulated in the discharging cavity are split and cut off, the concrete blocks are prevented from being clamped in the discharging cavity, and the flowability of the concrete in the discharging cavity is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a front view of the high performance concrete preparation discharge machine of the present invention;
FIG. 2 is a schematic diagram of a left-side sectional structure of the high-performance concrete discharging machine of the invention;
FIG. 3 is a schematic top sectional view of the mixing drum according to the present invention;
FIG. 4 is a schematic cross-sectional view of the stirring rod disposed in the discharging barrel according to the present invention;
FIG. 5 is a schematic view of the internal structure of the stirring rod of the present invention;
FIG. 6 is an enlarged view of a portion of the structure of FIG. 5;
in the figure: 1. road wheel, 2, supporting leg, 3, bottom supporting plate, 4, mixing drum, 5, baffle, 6, discharging drum, 601, helical blade, 602, mixing rod, 6021, sawtooth piece, 6022, ejector pin, 6023, corrugated groove, 6024, push rod, 6025, spring, 6026, supporting column, 6027, spring hole, 6028, chute, 603, transmission shaft, 604, fixing cover, 605, bearing, 606, coupling, 607, second motor, 608, discharging cavity, 7, hopper, 8, motor, 9, mixing cavity, 10, scraping plate, 11, supporting rod, 12, rotating shaft, 13, stirring claw, 14, stirring disc, 15, sinking groove, 16, discharging port.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
It will be understood that when an element is referred to as being "secured to" another element, it can be on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only and do not represent the only embodiments.
Please refer to fig. 1-6, which are schematic structural diagrams of a high-performance concrete preparing and discharging machine;
a high-performance concrete preparation discharging machine comprises a bottom supporting plate 3, supporting legs 2 are arranged at the bottom end of the bottom supporting plate 3 for supporting, walking wheels 1 are arranged at the bottom end of each supporting leg 2, a cylindrical stirring barrel 4 is arranged at the top end of the bottom supporting plate 3, a motor 8 is arranged at the top end of the stirring barrel 4, an output shaft downwardly extends from the bottom end of the motor 8, a circular hole-shaped mixing cavity 9 is formed in the stirring barrel 4, a hopper 7 communicated with the mixing cavity 9 is arranged at the top end of the stirring barrel 4 for feeding materials into the mixing cavity 9, a rotating shaft 12 is arranged at the central position of the mixing cavity 9, two ends of the rotating shaft 12 are arranged in the mixing cavity 9 through bearings, the top end of the rotating shaft 12 penetrates through the stirring barrel 4 through the bearings and extends out to the top end of the stirring barrel 4, and the top end of the rotating shaft 12 extending out of the top, a plurality of supporting rods 11 are arranged on the outer circumferential surface of the rotating shaft 12 at equal intervals, a material stirring plate 14 with a disc structure is arranged at the bottom end of the rotating shaft 12, the material stirring plate 14 is positioned below the supporting rods 11, a circular ring-structured sinking groove 15 is formed in the bottom surface of the material mixing cavity 9, the bottom end of the material stirring plate 14 is embedded into the sinking groove 15, the rotating stability of the material stirring plate 14 is improved, a plurality of material stirring claws 13 which are distributed at equal intervals are arranged at the top end of the material stirring plate 14, and each material stirring claw 13 is provided with an arc-shaped structure;
outer wall bottom fixed mounting of churn 4 has the decurrent play feed cylinder 6 of slope, play feed cylinder 6's inside has been seted up out material chamber 608, the top of ejection of compact chamber 608 communicates in 4 inside compounding chamber 9 of churn, the notch that link up is seted up to the up end in ejection of compact chamber 608, install baffle 5 through the sliding fit mode in the notch in ejection of compact chamber 608, baffle 5 can slide from top to bottom in ejection of compact chamber 608, make baffle 5 can extract in play feed cylinder 6, be convenient for control play feed cylinder 608 open, arrange the material to the concrete in compounding chamber 9, discharge gate 16 has been seted up to the lower extreme of play feed cylinder 6, be convenient for arrange the material perpendicularly downwards.
The top of bracing piece 11 is fixed with scrapes flitch 10, scrapes flitch 10 and is equipped with a plurality ofly altogether, scrapes flitch 10 and equidistant setting in the inner wall in compounding chamber 9, and the flitch 10 of scraping on each of bracing piece 11 top all is close to in the inner wall in compounding chamber 9.
Wherein, a circular hole-shaped mixing cavity 9 is arranged in the mixing drum 4 of the invention, a rotatable support rod 11 is arranged in the mixing cavity 9, the support rod 11 is driven by a motor to rotate in the mixing cavity 9 to mix and stir the concrete in the mixing cavity 9, so that the concrete is uniformly stirred in the mixing cavity 9, scraping plates 10 are fixed at the top ends of the support rods 11, each scraping plate 10 is close to the inner wall of the mixing cavity 9, so that the support rods 11 scrape the concrete adhered to the inner wall of the mixing cavity 9 through the scraping plates 10 in the rotating process of the mixing cavity 9, thereby preventing concrete blocks mixed in the concrete from adhering to the inner wall of the mixing cavity 9, ensuring that the concrete is not uniformly stirred in the mixing cavity 9, the support rods 11 are vertically fixed in the mixing cavity 9 through the scraping plates 10, and the support rods 11 push the concrete to flow in the mixing cavity 9 through the scraping plates 10 in the rotating process, improve the mobility of concrete in compounding chamber 9, be favorable to making the muddy earth compounding stirring, make the compounding chamber 9 in the cleaning process, avoid on the inner wall at a large amount of concrete adhesion, improve the washing to compounding chamber 9 inner wall, be provided with stirring dish 14 through the bottom at axis of rotation 12, the top of stirring dish 14 is provided with many equidistance distribution's stirring claw 13, stir the stirring at the concrete of compounding chamber 9 bottom to deposiing, make axis of rotation 12 at the pivoted in-process, stir the concrete of compounding chamber 9 in through bracing piece 11 and scraping flitch 10, stir the stirring to the concrete of deposiing in compounding chamber 9 bottom through stirring dish 14, be favorable to improving the compounding stirring homogeneity of concrete.
Go out feed cylinder 6 and include helical blade 601, stir material pole 602, transmission shaft 603, fixed lid 604, rolling bearing 605, shaft coupling 606, second motor 607 fixed mounting is in the bottom of going out feed cylinder 6, fixed lid 604 sets up in ejection of compact chamber 608, be convenient for block the concrete, fixed lid 604 sets up in the below of discharge gate 16 in ejection of compact chamber 608, the round hole that link up is seted up at the middle part of fixed lid 604, install transmission shaft 603 through rolling bearing 605 in the round hole at fixed lid 604 middle part, the top of transmission shaft 603 is provided with helical blade 601, the below of helical blade 601 is equipped with stirs material pole 602, stir equidistant setting on the transmission shaft 603 of helical blade 601 below.
Wherein, the discharging cavity 608 is arranged in the discharging barrel 6, so that the concrete in the mixing cavity 9 can be discharged to the outside conveniently, the transmission shaft 603 is arranged in the discharging cavity 608, the spiral blade 601 is arranged at the top end of the transmission shaft 603, the discharging speed of the thermal concrete in the discharging cavity 608 is increased by stirring the spiral blade 601, the discharging speed of the thermal concrete in the discharging cavity 608 is prevented from being accumulated in the discharging cavity 608 due to too slow discharging of the concrete, the discharging speed of the thermal concrete in the discharging cavity 608 is increased, the stirring rod 602 is arranged below the spiral blade 601, the stirring rod 602 is driven to rotate in the discharging cavity 608 in the process that the spiral blade 601 is driven to rotate by the transmission shaft 603, the concrete pushed by the spiral blade 601 is stirred, the activity of the concrete flowing in the discharging cavity 608 is improved, and the fluidity of the concrete in the discharging cavity 608 is improved,
the stirring rod 602 comprises saw-tooth plates 6021, a top rod 6022, corrugated grooves 6023, a push rod 6024, a spring 6025, a support column 6026, a spring hole 6027 and a slide groove 6028, the inner wall of a discharge cavity 608 of the discharge barrel 6 is provided with the corrugated grooves 6023 distributed circumferentially, the side wall of each stirring rod 602 facing the rotation direction of the stirring rod 602 is provided with the slide groove 6028, the saw-tooth plates 6021 are embedded into the slide groove 6028 in a sliding fit manner, so that the saw-tooth plates 6021 slide in the slide groove 6028 conveniently, one end of the saw-tooth plates 6021 embedded into the slide groove 6028 is provided with the top rod 6022, the top end of the top rod 6022 is provided with a semicircular ball structure, the top rod 6022 is embedded into the corrugated groove 6023, so that the top rod 6022 slides elastically according to the corrugated grooves 6023, the top rod 6022 is prevented from being blocked in the corrugated groove, the smoothness of the top rod 6022 sliding in the corrugated groove 6023 is improved, the push rod 6024 is arranged at the other end, a support column 6026 with a hexagonal prism structure is arranged in the middle of the spring hole 6027, the push rods 6024 are embedded into the spring hole 6027 in a sliding fit manner, and a spring 6025 is arranged at the top end of each push rod 6024 embedded into the spring hole 6027. The saw tooth plate 6021 elastically slides in the slide groove 6028 by the spring 6025 engaging with the corrugated groove 6023, cuts and cuts the concrete and the harder concrete block flowing through the stirring rod 602,
in the invention, the inner wall of the discharging cavity 608 is provided with the corrugated grooves 6023 which are distributed circumferentially, and in the process that the stirring rod 602 rotates in the discharging cavity 608, the saw-tooth sheets 6021 are pushed by the corrugated grooves 6023 to swing back and forth on the side wall of the stirring rod 602, so that concrete and harder concrete blocks accumulated in the discharging cavity 608 are split and cut off, the concrete blocks are prevented from being clamped in the discharging cavity 608, and the flowability of the concrete in the discharging cavity 608 is improved.
The side wall of each sawtooth piece 6021 facing the rotation direction of the stirring rod 602 is provided with a sawtooth with a triangular structure, so that the cutting tightness of the sawtooth pieces 6021 is improved.
In addition, in order to prevent the saw-tooth plate 6021 from being solidified by concrete, the mixing rod 602 in the discharging cavity must be sprayed with clean water after the discharging cavity is used, so that the saw-tooth plate 6021 is prevented from being solidified by concrete on the mixing rod 602 for a long time when the discharging cavity is not used.
Scrape flitch 10 and be the arc of bending forward on the top of each bracing piece 11, improve the effect of scraping off of adhesion concrete on the material mixing chamber 9 inner wall, through crooked arc, the resistance of flitch 10 when material mixing chamber 9 internal rotation is scraped in the increase, promotes the mobility of concrete in material mixing chamber 9.
The working principle is as follows: when the high-performance concrete preparation discharging machine is used, firstly, materials are fed into the mixing cavity 9 through the hopper 7, the supporting rod 11 is driven to rotate in the mixing cavity 9 through the motor, the concrete in the mixing cavity 9 is mixed and stirred, the concrete is uniformly stirred in the mixing cavity 9, the scraping plate 10 is fixed at the top end of the supporting rod 11, the concrete adhered to the inner wall of the mixing cavity 9 is scraped through the scraping plate 10 in the rotating process of the supporting rod 11 in the mixing cavity 9, concrete blocks mixed in the concrete are prevented from being adhered to the inner wall of the mixing cavity 9, the scraping plate 10 is vertically fixed in the mixing cavity 9, the supporting rod 11 pushes the concrete to flow in the mixing cavity 9 through the scraping plate 10 in the rotating process, the flowability of the concrete in the mixing cavity 9 is improved, and secondly, when the materials are discharged, through being provided with ejection of compact chamber 608 in the inside at play feed cylinder 6, be convenient for discharge the concrete in the compounding chamber 9 to the outside, stir in ejection of compact chamber 608 through helical blade 601, add the ejection of compact speed of thermal concrete in a ejection of compact chamber 608, through stirring pole 602 at ejection of compact chamber 608 internal rotation, stir the concrete that spiral blade 601 promoted, improve the activity that the interior concrete of ejection of compact chamber 608 flows, improve the mobility of the interior concrete of ejection of compact chamber 608.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.