CN112277162A

CN112277162A - Production line and process for preparing colored pervious concrete

Info

Publication number: CN112277162A
Application number: CN202011100759.9A
Authority: CN
Inventors: 陆斌斌; 龚珏霄; 陆颖; 吴莉欢; 张运红
Original assignee: Anji Longang Concrete Products Co ltd
Current assignee: Anji Longang Concrete Products Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-01-29

Abstract

The invention relates to the technical field of production and preparation of colored pervious concrete, in particular to a production line and a preparation process of colored pervious concrete, which comprises a batching device, a lifting and conveying device and a mixing and stirring device, wherein the batching device comprises a plurality of raw material bins, a conveying belt positioned right below the raw material bins and weighing devices arranged in one-to-one correspondence with the raw material bins, each weighing device comprises a weighing bin, a containing bin, a weighing device, a buffer, an intermittent feeder and a vibrating compactor, the containing bins containing the raw materials to be weighed are detachably arranged, so that the containing bins are in an unsupported installation state in the process of weighing the raw materials, the mass of the containing bins is completely applied to the weighing devices, the measurement deviation caused by the action of the raw materials on the side walls of the containing bins is eliminated, the vibrating compactors are utilized to oscillate the containing bins, and the distribution of small stones in the containing bins is more uniform, the technical problem of large measurement and proportioning deviation of the colored pervious concrete is solved.

Description

Production line and process for preparing colored pervious concrete

Technical Field

The invention relates to the technical field of production and preparation of colored pervious concrete, in particular to a production line and a preparation process for the colored pervious concrete.

Background

The color pervious concrete is a kind of concrete with various colors and is used for decorating beautiful appearance. The colorful pervious concrete is also called porous concrete, also called drainage concrete, and is a porous light novel environment-friendly ground paving material prepared by mixing and stirring small stones, 42.5 cement, admixture for pervious concrete, water, a colorful enhancer, a stabilizer and the like according to a certain proportion, wherein the pervious concrete is formed by coating a layer of thin slurry on the surface of coarse aggregate and mutually bonding the thin slurry into a honeycomb shape, so that rainwater can flow into the ground and underground water can be effectively supplemented; and can effectively eliminate the harm of oil compounds on the ground and the like to the environmental pollution; and the color is colorful, the landscape is fused, the urban environment construction is more harmonious, the good permeable terrace material is used for protecting the nature, maintaining the ecological balance and relieving the urban heat island effect, and the permeable terrace material has profound significance in the works of urban rainwater management, water pollution prevention and control and the like, and is beneficial to the benign development of the human living environment.

The existing concrete mixing plant needs to weigh cement and small stones by using a weighing device in the process of producing and preparing the colorful pervious concrete, the raw materials are input into the mixing plant according to the proportion to be mixed and prepared, but in the process of weighing the raw materials by using a weighing device, the small stones can extrude the side wall of the storage bin, the weighing result of the weighing device is inaccurate, the quality of the produced concrete is not up to the standard due to the deviation of the result of the proportion, in addition, the small stones are in the weighing process, the quality is asymmetric, and the deviation of the weighing result of the weighing device is avoided.

In patent application No. CN201910205243.1, a weighing device for concrete batching is disclosed, the structure of which comprises a connecting sliding plate, a water tank, a connecting block, a stirring tank, a base and a weighing batching machine, the left end of the connecting sliding plate is provided with the water tank which is welded with the water tank, the bottom end of the water tank is welded with the top end of the stirring tank, the connecting block is arranged at the left end of the stirring tank and is an integrated structure, and the connecting block is positioned right above the base. Resulting in actual delivery of less than a weighed amount of material, causing process variation.

However, the weighing device for concrete batching also only solves the technical problem that the measuring deviation of the weighing device is large due to the fact that the falling speed of the raw materials is high in the weighing process.

Disclosure of Invention

Aiming at the problems, the invention provides a production line and a preparation process for preparing color pervious concrete, wherein a material containing bin for containing raw materials to be weighed is detachably arranged, so that the material containing bin is in an unsupported installation state in the process of weighing the raw materials, the mass of the material containing bin is completely applied to a weighing device, the measurement deviation caused by the action of the raw materials on the side wall of the material containing bin is eliminated, and the material containing bin is oscillated by a vibrating device, so that small stones in the material containing bin are distributed more uniformly, and the technical problem of large measurement proportioning deviation of the color pervious concrete is solved.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a colored concrete preparation production line that permeates water, includes dosing unit, promotes conveying equipment and mixes agitated vessel, the dosing unit passes through promote conveying equipment with mix agitated vessel intercommunication, just the dosing unit includes a plurality of former feed bin, is located under the former feed bin the conveyer belt and with the weighing device that former feed bin one-to-one set up, the weighing device is located former feed bin with between the conveyer belt, the weighing device includes:

the weighing bin is arranged at the corresponding output port at the lower part of the raw material bin and consists of a receiving hopper with an open top and a weighing frame with a square bottom;

the material containing bin is arranged inside the weighing frame and used for containing the raw material to be weighed output from the raw material bin, the material containing bin is detachably mounted with the weighing frame through a connecting assembly, the top of the material containing bin is higher than the weighing frame, and a feeding hole formed in the top of the material containing bin is matched with the side wall of the bottom of the material receiving hopper to form a material storage area;

the weighing device is slidably mounted on a slide way at the bottom of the bearing frame through a pushing assembly, the slide way is parallel to the slide groove, a limit block for limiting the weighing device is arranged at one side end of the slide way, when the weighing device slides to block the bottom opening of the material containing bin, the pushing assembly synchronously releases the mounting connection of the connecting assembly on the material containing bin and the weighing bin, and the material containing bin is vertically arranged on the weighing device;

the buffer is rotatably arranged in the receiving hopper and is used for buffering the raw materials output by the raw material bin, and the buffered raw materials are gathered in the material storage area;

the intermittent feeder is arranged at the feeding hole and is driven by the rotation of the buffer to control the intermittent opening of the feeding hole, so that the raw materials in the material storage area enter the material containing bin; and

the jolt rammer is installed on the weighing bin, and the jolt rammer is driven by the rotation of the buffer to knock the material containing bin and compact the raw materials in the material containing bin.

As an improvement, coupling assembling including install in the symmetry install in spout on the flourishing feed bin lateral wall, be located spout length direction both sides and with slide rail, edge that the spout collineation set up the spout with the spliced pole that the slide rail slided to set up, and install in the elasticity of spliced pole length direction one side resets, the spout pierces through dodge the groove setting on the storehouse of weighing, and should dodge the lower tip in groove with the lower tip separation setting of spout, the slide rail install in on the storehouse of weighing, the length of spliced pole is greater than the length of spout.

As an improvement, the pushing assembly comprises a pusher, a connecting plate and a pushing block, the pusher is arranged along the arrangement direction of the slide way in a pushing mode, the connecting plate is used for connecting the pusher with the weighing device, the pushing block and the connecting plate are arranged in a connecting mode through a connecting arm, and the pushing block is driven by the pusher to be arranged in the sliding groove and the sliding rail in a sliding mode.

As an improvement, when the pusher pushes the weighing device to move to the position under the weighing frame, the pushing block pushes the connecting column to be separated from the sliding groove, and the material containing bin loses the support of the weighing frame.

As an improvement, the buffer comprises a buffer plate and a rotating component for driving the buffer plate to rotate, the buffer plate is vertically rotatably installed in the material receiving hopper, and the buffer plate comprises a rotating shaft and a plate spirally arranged around the rotating shaft.

As an improvement, the rotating assembly comprises a rotating motor, a worm and a worm wheel, the rotating motor is installed on the outer wall of the material receiving hopper, the worm is driven by the rotating motor to be installed in the material receiving hopper in a rotating mode, the worm wheel is installed on the rotating shaft, and the worm wheel is in transmission fit with the worm wheel.

As a refinement, the batch feeder comprises:

the feeding baffle is slidably mounted at the feeding port, slides and ascends and descends along the vertical direction, and a roller is mounted on the side wall of the feeding baffle, which faces the center of the material containing bin; and

the rotary disc is arranged at the bottom of the rotating shaft and synchronously rotates along with the rotating shaft, an upward convex block is arranged on the circumferential edge of the rotary disc, and the convex block jacks up the feeding baffle when being abutted and matched with the roller wheel, so that the feeding hole is opened.

As an improvement, the tap includes:

the vibrating plate is arranged on the side wall of the material containing bin, penetrates through the weighing frame and is arranged outside the weighing frame;

the knocking hammers are vertically arranged above the corresponding oscillating plates through mounting plates, and are used for knocking the oscillating plates to enable the material containing bin to oscillate, the mounting plates are fixedly connected with the weighing frame, and springs are sleeved on the knocking hammers and are abutted against the mounting plates for compression;

the shifting rods are arranged in one-to-one correspondence with the knocking hammers, the shifting rods are horizontally and slidably mounted on the weighing frame, the end parts, located outside the weighing frame, of the shifting rods are obliquely and downwards arranged, clamping grooves matched with ball heads at the tops of the knocking hammers are formed in the end parts, and the shifting rods shift the knocking hammers to be lifted through the clamping grooves; and

the direction carousel, the direction carousel install in the pivot, this direction carousel by the pivot drives and rotates, and the border department of this direction carousel is provided with the direction slot, the direction slot is including the first slot and the second slot of intercommunication, the driving lever is located the inside tip of frame of weighing is arranged in through the roller bearing in the direction slot.

As an improvement, when the roller is located in the first groove, the poking rod pokes the knocking hammer to lift, and when the roller is located in the second groove, the knocking hammer knocks the oscillating plate.

A production process for preparing the colored pervious concrete by using the colored pervious concrete preparation production line comprises the following steps:

loading, namely loading solid raw materials of commercial concrete for production into a corresponding raw material bin on a batching device, wherein the raw materials comprise aggregate and an admixture, the aggregate is pebble, and the admixture is a mixture of cement, coal ash and slag;

metering, opening a discharge port on the raw material bin, outputting aggregate and admixture in the raw material bin, and weighing and proportioning, wherein the weighing and proportioning comprises the following steps:

step a, a weighing device is in place, and is driven by a pushing assembly to slide to the lower part of a weighing frame along a sliding groove, and an opening in the lower part of the weighing frame is plugged;

step b, unlocking the material containing bin, and synchronously pushing the connecting column to be separated from the sliding chute through the pushing assembly while the pushing assembly drives the weighing device to slide so that the material containing bin loses the support of the weighing frame and is arranged on the weighing device;

c, buffering the raw materials, opening a discharge hole of the raw material bin, outputting the raw materials in the raw material bin, driving a buffer plate arranged in a receiving hopper to rotate through a rotating component, buffering and stirring the raw materials output by the raw material bin, and concentrating the buffered raw materials into a material storage area;

d, weighing the raw materials, wherein in the rotation process of the buffer plate, the rotating disc connected with the lower part of the rotating shaft is driven to rotate synchronously with the step c, when a lug on the circumferential edge of the rotating disc is in abutting fit with the roller, the feeding baffle is jacked up to open the feeding hole, the raw materials are input into the material containing bin, and the raw materials are weighed by a weighing device positioned at the bottom of the material containing bin;

step e, oscillating the raw materials, wherein the raw materials are synchronous with the step c, a guide turntable on a rotating shaft is driven to rotate in the rotating process of a buffer plate, when a first groove on the guide turntable is matched with a rolling shaft on a shifting rod, the shifting rod shifts a knocking hammer to lift, and when a second groove on the guide turntable is matched with the rolling shaft, the knocking hammer knocks the oscillating plate to compact the raw materials in a material containing bin;

step e, outputting the raw materials, wherein after the raw materials weighed by the weighing device reach the standard, the raw material bin is closed, the buffer plate stops rotating, the weighing device resets, the material containing bin is connected with the weighing frame again, the opening at the bottom of the material containing bin is opened, and the raw materials in the material containing bin are output to the conveying belt for conveying; and

and step three, mixing and stirring, wherein the raw materials are conveyed to a lifting conveying device by a conveying belt, the raw materials are conveyed into a stirring station by the lifting conveying device, and the admixture, the stirring water, the color enhancer and the stabilizer are proportionally input to be mixed and stirred to form the color pervious concrete.

The invention has the beneficial effects that:

(1) according to the invention, the material containing bin for containing the raw materials to be weighed is detachably arranged, so that the material containing bin is in an unsupported installation state in the process of weighing the raw materials, the mass of the material containing bin is completely applied to the weighing device, the measurement deviation caused by the action of the raw materials on the side wall of the material containing bin is eliminated, and the vibration of the material containing bin is carried out by using the vibrator, so that the distribution of small stones in the material containing bin is more uniform, and the technical problem of large measurement proportioning deviation of the colored pervious concrete is solved;

(2) according to the invention, the pushing assembly driving the weighing device to move synchronously drives the pushing block to push the connecting column to slide, so that the weighing device can be used for removing the installation connection between the material containing bin and the weighing frame while blocking the opening at the lower part of the material containing bin, the synchronism is high, the friction between the material containing bin and the weighing device can not be caused, and the weighing precision of the weighing device is reduced;

(3) according to the invention, the buffer is arranged in the receiving hopper, and the rotation of the buffer is utilized to stir and buffer the raw materials output from the raw material bin, so that the impact speed of the output of the raw materials is reduced, the weighing deviation of the weighing device caused by the impact speed of the raw materials is avoided, and the weighing precision is improved;

(4) according to the invention, the top of the material containing bin and the bottom of the material receiving bin are utilized to form a material storage area, the raw material buffered by the buffer is stored, so that the impact speed of the raw material entering the material containing bin is consumed as much as possible, and the rotation of the buffer controls the material inlet at the top of the material containing bin, so that the material inlet is opened intermittently and no impact is formed;

(5) according to the invention, after the weighing device weighs the raw materials in the material containing bin to reach the proportioning standard, the operation of the buffer can be immediately stopped, and correspondingly, the feed inlet at the top of the material containing bin can be closed, so that the raw materials cannot enter the material containing bin to influence the raw materials in the material containing bin after weighing, and the proportioning precision is improved;

(6) according to the invention, the vibration of the vibration device is utilized to oscillate the material containing bin, so that small stones in the material containing bin are uniformly distributed through oscillation, the distribution of the small stones in the material containing bin is more uniform, the weighing deviation caused by the non-uniform distribution of the small stones in the weighing module in the weighing device can be avoided, and the weighing precision is improved.

In conclusion, the invention has the advantages of accurate proportioning, high automation degree and the like, and is particularly suitable for the technical field of production and preparation of the colored pervious concrete with accurate proportioning.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the front view of the dispensing apparatus of the present invention;

FIG. 4 is a first schematic perspective view of a weighing apparatus according to the present invention;

FIG. 5 is a schematic perspective view of a weighing apparatus according to the present invention;

FIG. 6 is a schematic perspective view of the storage bin of the present invention;

FIG. 7 is a first schematic sectional view of a weighing apparatus according to the present invention;

FIG. 8 is a schematic sectional view of a weighing apparatus according to the present invention;

FIG. 9 is a third schematic sectional view of the weighing apparatus of the present invention;

FIG. 10 is an enlarged view of the structure at A in FIG. 9;

FIG. 11 is a cross-sectional view of a fourth embodiment of the weighing apparatus of the present invention;

FIG. 12 is an enlarged view of the structure at B in FIG. 11;

FIG. 13 is a perspective view of the shift lever of the present invention;

FIG. 14 is a schematic view of a structure of the deflector rod and the hammer according to the present invention;

FIG. 15 is a perspective view of a rotary plate according to the present invention;

FIG. 16 is a schematic view of the process flow structure of the present invention.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The first embodiment is as follows:

as shown in fig. 1 to 10, a colored pervious concrete preparation production line comprises a batching device I, a lifting conveying device II and a mixing stirring device III, wherein the batching device I comprises a plurality of raw material bins 1, a conveying belt 2 located right below the raw material bins 1 and weighing devices 3 arranged in a one-to-one correspondence manner on the raw material bins 1, the weighing devices 3 are located between the raw material bins 1 and the conveying belt 2, and the weighing devices 3 comprise:

the weighing bin 31 is arranged at the output port at the lower part of the corresponding raw material bin 1, and the weighing bin 31 consists of a receiving hopper 311 with an open top and a weighing frame 312 with a square bottom;

the material containing bin 32 is arranged inside the weighing frame 312, the material containing bin 32 is used for containing raw materials to be weighed which are output from the raw material bin 1, the material containing bin 32 is detachably mounted with the weighing frame 312 through a connecting assembly 33, the top of the material containing bin 32 is higher than the weighing frame 312, and a feeding hole 321 formed in the top of the material containing bin 32 is matched with the side wall of the bottom of the material receiving bin 311 to form a material storage area 320;

the weighing device 34 is slidably mounted on a slide way 314 at the bottom of the bearing frame 312 through a pushing assembly 30, the slide way 314 is arranged in parallel with the sliding groove 331, a limit block 315 for limiting the weighing device 34 is arranged at one side end of the slide way 314, when the weighing device 34 slides to block the bottom opening of the storage bin 32, the pushing assembly 30 synchronously releases the mounting connection of the connecting assembly 33 on the storage bin 32 and the weighing bin 31, and the storage bin 32 is vertically arranged on the weighing device 34;

the buffer 35 is rotatably installed in the receiving hopper 311, the buffer 35 is used for buffering the raw materials output by the raw material bin 1, and the buffered raw materials are gathered in the material storage area 320;

the intermittent feeder 36 is installed at the feeding hole 321, and the intermittent feeder 36 is driven by the buffer 35 to rotate to control the feeding hole 321 to be intermittently opened, so that the raw material in the storage area 320 enters the material containing bin 32; and

and the vibrator 37 is installed on the weighing bin 31, and the vibrator 37 is driven by the rotation of the buffer 35 to knock the material containing bin 32 to tap the raw materials in the material containing bin 32.

Further, coupling assembling 33 including install in the symmetry install in spout 331 on the flourishing feed bin 32 lateral wall, be located spout 331 length direction both sides and with slide rail 332, the edge of spout 331 collineation setting spout 331 with slide rail 332 slides the spliced pole 333 that sets up, and install in the elasticity piece 334 that resets of spliced pole 333 length direction one side, spout 331 pierces through dodge groove 313 setting on the storehouse 31 of weighing, and should dodge the lower tip of groove 313 with the lower tip separation setting of spout 331, slide rail 332 install in on the storehouse 31 of weighing, the length of spliced pole 333 is greater than the length of spout 331.

Furthermore, the pushing assembly 30 includes a pusher 301, a connecting plate 302 and a pushing block 303, the pusher 301 is pushed along the setting direction of the sliding rail 314, the connecting plate 302 is used for connecting the pusher 301 with the weighing device 34, the pushing block 303 is connected with the connecting plate 302 through a connecting arm 304, and the pushing block 301 is driven by the pusher 301 to be slidably disposed in the sliding groove 331 and the sliding rail 332.

In addition, when the pusher 301 pushes the weighing device 34 to move to a position right below the weighing frame 312, the pushing block 303 pushes the connecting column 333 to be separated from the chute 331, and the material containing bin 32 loses the support of the weighing frame 312.

It should be noted that, initially, the opening at the bottom of the raw material bin 1 is closed, the weighing device 34 is located at one side of the opening at the bottom of the material containing bin 32, the loading bin 32 is connected to the weighing frame 312, the loading bin 32 is supported by the weighing frame 312, then the pushing assembly 30 is started to drive the weighing device 34 to slide along the slide way 314 to the bottom of the loading bin 32, the opening at the bottom of the material containing bin 32 is blocked, a weighing area for weighing raw materials is formed by the matching of the material containing bin 32 and the weighing device 34, and, while the scale 34 is in place, the pusher assembly 30 will simultaneously drive the connecting column 333 to slide, so that the connecting post 333 is separated from the sliding slot 331, and the connecting post 333 is located in the sliding rail 332, at this time, the material containing bin 32 is disconnected from the weighing frame 312, and the whole mass of the material containing bin 32 acts on the weighing device 34, so that the pressure of the raw materials on the side wall of the material containing bin 32 is avoided, and the weighing result of the weighing device 34 is prevented from deviating.

As shown in fig. 4 to 15, as a preferred embodiment, the buffer 35 includes a buffer plate 351 and a rotating assembly 352 for driving the buffer plate 351 to rotate, the buffer plate 351 is vertically and rotatably mounted in the receiving hopper 311, and the buffer plate 351 includes a rotating shaft 3511 and a plate 3512 spirally disposed around the rotating shaft 3511.

Further, the rotating assembly 352 includes a rotating motor 3521, a worm 3522 and a worm wheel 3523, the rotating motor 3521 is installed on the outer wall of the material receiving bin 311, the worm 3522 is driven by the rotating motor 3521 to be installed in the material receiving bin 311 in a rotating manner, the worm wheel 3523 is installed on the rotating shaft 3511, and the worm wheel 3523 is in transmission fit with the worm 3522.

Further, the intermittent feeder 36 includes:

the feeding baffle 361 is slidably installed at the feeding hole 321, slides and ascends and descends along the vertical direction, and a roller 362 is installed on the side wall of the feeding baffle 361 facing the center of the material containing bin 32; and

and the rotating disc 363 is mounted at the bottom of the rotating shaft 3511, rotates synchronously with the rotating shaft 3511, and is provided with a lug 364 which protrudes upwards on the circumferential edge, and when the lug 364 is in interference fit with the roller 362, the feeding baffle 361 is jacked up, so that the inlet 321 is opened.

Wherein the tap 37 includes:

an oscillating plate 371, which is installed on the sidewall of the material containing bin 32, penetrates the weighing frame 312, and is placed outside the weighing frame 312;

the knocking hammers 372 are vertically arranged above the corresponding oscillating plates 371 through mounting plates 373, the knocking hammers 372 knock the oscillating plates 371 to enable the material containing bin 32 to oscillate, the mounting plates 373 are fixedly connected with the weighing frame 312, springs 374 are sleeved on the knocking hammers 373, and the springs 374 are abutted against and compressed with the mounting plates 373;

the shifting rods 375 are arranged in one-to-one correspondence with the knocking hammers 372, the shifting rods 375 are horizontally and slidably mounted on the weighing frame 312, the end parts of the shifting rods 375, which are positioned outside the weighing frame 312, are obliquely and downwards arranged, clamping grooves 3751 matched with ball heads 3721 at the tops of the knocking hammers 372 are formed in the end parts, and the shifting rods 375 shift the knocking hammers 372 to be lifted through the clamping grooves 3751; and

the guide turntable 376 is mounted on the rotating shaft 3511, the guide turntable 376 is driven by the rotating shaft 3511 to rotate, a guide groove 377 is formed in the edge of the guide turntable 376, the guide groove 377 comprises a first groove 3771 and a second groove 3772 which are communicated, and the end, located inside the weighing frame 312, of the shift lever 375 is placed in the guide groove 377 through a rolling shaft 378.

When the roller 378 is located in the first groove 3771, the lever 375 pulls the striking hammer 372 to lift up, and when the roller 378 is located in the second groove 3772, the striking hammer 372 strikes the vibrating plate 371.

It should be noted that the buffer is arranged inside the receiving hopper, the rotation of the buffer is utilized to stir and buffer the raw materials output from the raw material bin, the impact speed of the raw material output is reduced, the weighing device cannot cause weighing deviation due to the impact speed of the raw materials, the weighing precision is improved, the top of the receiving hopper and the bottom of the receiving hopper are utilized to form a storage area, the raw materials buffered by the buffer are stored, the impact speed when the raw materials enter the receiving hopper is consumed as much as possible, the feed inlet at the top of the receiving hopper is controlled by the rotation of the buffer, the feed inlet is intermittently opened without impact, the operation of the buffer is immediately stopped after the weighing device weighs the raw materials in the receiving hopper to reach the proportioning standard, correspondingly, the feed inlet at the top of the receiving hopper is closed, and the raw materials cannot enter the receiving hopper to influence the raw materials in the receiving hopper which are weighed, the proportioning precision is improved.

Further, after the raw materials enter the material containing bin, particularly small stones, the situation that the raw materials are unevenly distributed is easily formed in the material containing bin due to the fact that the small stones are large in particle size, gaps among the raw materials in the material containing bin are large, stress of weighing modules in the weighing device is uneven, the weighing results are prone to being deviated due to uneven stress of the weighing modules, and therefore the material containing bin is oscillated by the vibrating compactor, the small stones in the material containing bin are evenly distributed through oscillation, the small stones in the material containing bin are more evenly distributed, the gaps are small, weighing deviation caused by uneven distribution of the small stones in the weighing device due to uneven distribution of the small stones is avoided, and weighing precision is improved.

Example two:

as shown in fig. 16, a production process for preparing colored pervious concrete by using the colored pervious concrete preparation production line of the first embodiment includes the following steps:

loading, namely loading solid raw materials of commercial concrete for production into a corresponding raw material bin 1 on a batching device I, wherein the raw materials comprise aggregate and an admixture, the aggregate is pebble, and the admixture is a mixture of cement, coal ash and slag;

metering, opening a discharge hole in the raw material bin 1, outputting aggregate and admixture in the raw material bin 1, and weighing and proportioning, wherein the weighing and proportioning comprises the following steps:

step a, the weighing device is in place, the pushing assembly 30 drives the weighing device 34 to slide to the lower part of the weighing frame 312 along the sliding groove 331, and the opening at the lower part of the weighing frame 312 is blocked;

step b, unlocking the material containing bin, and synchronously with the step a, pushing the connecting column 333 to be separated from the chute 331 through the pushing assembly 30 while the pushing assembly 30 drives the weigher 34 to slide, so that the material containing bin 32 loses the support of the weighing frame 312, and the material containing bin 32 is arranged on the weigher 34;

c, buffering the raw materials, opening a discharge hole of the raw material bin 1, outputting the raw materials in the raw material bin 1, driving a buffer plate 351 arranged in the receiving hopper 311 to rotate through a rotating assembly 352, buffering and stirring the raw materials output by the raw material bin 1, and concentrating the buffered raw materials into the material storage area 320;

step d, weighing raw materials, wherein in a synchronous manner with the step c, the buffer plate 351 drives the rotating disc 363 connected with the lower part of the rotating shaft 3511 to rotate in the rotating process, when a bump 364 on the circumferential edge of the rotating disc 363 is abutted and matched with the roller 362, the feeding baffle 361 is jacked up to open the feeding hole 321, and the raw materials are input into the material containing bin 32 and weighed by the weighing device 34 positioned at the bottom of the material containing bin 32;

step e, oscillating the raw materials, wherein the raw materials are synchronized with the step c, in the rotating process of the buffer plate 351, the guide turntable 376 on the rotating shaft 3511 is driven to rotate, when a first groove 3771 on the guide turntable 376 is matched with a roller 378 on the shifting lever 375, the shifting lever 375 shifts the knocking hammer 372 to lift, and when a second groove 3771 on the guide turntable 376 is matched with the roller 378, the knocking hammer 372 knocks the oscillating plate 371 to tap the raw materials in the material containing bin 32;

step f, outputting the raw materials, wherein after the raw materials weighed by the weighing device 34 reach the standard, the raw material bin is closed, the buffer plate 351 stops rotating, the weighing device 34 resets, the material containing bin 32 is connected with the weighing frame 312 again, the opening at the bottom of the material containing bin 32 is opened, and the raw materials in the material containing bin 32 are output to the conveyer belt 2 for conveying; and

and step three, mixing and stirring, wherein the raw materials are conveyed to a lifting conveying device II by a conveying belt 2, the raw materials are conveyed into a stirring station III by the lifting conveying device II, and the admixture, the stirring water, the color enhancer and the stabilizer are proportionally input to be mixed and stirred to form the color pervious concrete.

It should be noted that, through the step b, the material containing bin 32 is placed on the weighing device 34, the mass of the material containing bin is eliminated, and the mass of the raw material in the material containing bin is completely weighed by the weighing device, so that the measurement deviation caused by the action of the raw material on the side wall of the material containing bin is eliminated.

And in step c, through set up the buffer in connecing hopper inside, utilize the rotation of buffer, stir the buffering to the raw materials of raw materials storehouse internal output, reduce the impact velocity of raw materials output for the ware of weighing can not cause the deviation of weighing because of the impact velocity of raw materials, improves the precision of weighing.

And in step d, utilize the top of flourishing feed bin and the bottom that connects the hopper to form the storage area, raw materials to after the buffer buffering are stored, impact velocity when making the raw materials get into in the flourishing feed bin again is consumed as far as, and the feed inlet at flourishing feed bin top is controlled by the rotation of buffer, make the feed inlet intermittent type open, can not form the impact, after the raw materials in the flourishing feed bin that weighs to the weighing device reaches the ratio standard, can stop the operation of buffer immediately, correspondingly, the feed inlet at flourishing feed bin top will be closed, make the raw materials can't get into in the flourishing feed bin to the raw materials in the flourishing feed bin that accomplishes weighing produce the influence, the ratio precision is improved.

In addition, in step e, utilize the plain bumper to oscillate flourishing feed bin for the interior small stone of flourishing feed bin carries out evenly distributed through the oscillation, makes the interior small stone of flourishing feed bin distribute more evenly, can not be because of the uneven distribution of small stone, leads to weighing module in the weighing device to cause the deviation of weighing because of the uneven distribution of small stone, improves the precision of weighing.

The common pervious concrete has 15% -25% of pores, and the pervious speed can reach 31-52L/m/h, but the color pervious concrete prepared by the method is far higher than the index due to the accurate proportion, the pores reach 22% -30%, and the pervious speed reaches 38-60L/m/h.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a colored pervious concrete preparation production line, includes dosing unit (I), promotes conveying equipment (II) and mixes agitated vessel (III), dosing unit (I) passes through promote conveying equipment (II) with mix agitated vessel (III) intercommunication, just dosing unit (I) includes a plurality of former feed bin (1), is located conveyer belt (2) under former feed bin (1) and with weighing device (3) that former feed bin (1) one-to-one set up, weighing device (3) are located former feed bin (1) with between conveyer belt (2), its characterized in that, weighing device (3) include:

the weighing bin (31) is arranged at the output port at the lower part of the corresponding raw material bin (1), and the weighing bin (31) consists of a receiving hopper (311) with an opened top and a weighing frame (312) with a square bottom;

the material containing bin (32) is arranged inside the weighing frame (312), the material containing bin (32) is used for containing raw materials to be weighed output from the raw material bin (1), the material containing bin (32) is detachably mounted with the weighing frame (312) through a connecting assembly (33), the top of the material containing bin (32) is higher than the weighing frame (312), and a feeding hole (321) formed in the top of the material containing bin (32) is matched with the side wall of the bottom of the material receiving bin (311) to form a material storage area (320);

the weighing device (34) is slidably mounted on a slide way (314) at the bottom of the bearing frame (312) through a pushing assembly (30), the slide way (314) is arranged in parallel with the slide groove (331), a limit block (315) for limiting the weighing device (34) is arranged at one side end of the slide way (314), when the weighing device (34) slides to block the bottom opening of the material containing bin (32), the pushing assembly (30) synchronously releases the mounting connection of the connecting assembly (33) on the material containing bin (32) and the weighing bin (31), and the material containing bin (32) is vertically arranged on the weighing device (34);

the buffer (35), the buffer (35) is rotatably installed in the receiving hopper (311), the buffer (35) is used for buffering the raw materials output by the raw material bin (1), and the buffered raw materials are gathered in the material storage area (320);

the intermittent feeder (36) is arranged at the feeding hole (321), the intermittent feeder (36) is driven by the buffer (35) to rotate to control the intermittent opening of the feeding hole (321), so that the raw materials in the storage area (320) enter the material containing bin (32); and

the jolt rammer (37), the jolt rammer (37) install in on the storehouse of weighing (31), this jolt rammer (37) by buffer (35) rotation drive is right contain feed bin (32) strike, the jolt ramming raw materials in containing feed bin (32).

2. The production line for preparing color pervious concrete according to claim 1, the connecting component (33) comprises sliding chutes (331) which are symmetrically arranged on the side wall of the material containing bin (32), sliding rails (332) which are positioned at two sides of the length direction of the sliding chutes (331) and are arranged in a collinear way with the sliding chutes (331), and connecting columns (333) which are arranged along the sliding chutes (331) and the sliding rails (332) in a sliding way, and an elastic reset piece (334) arranged on one side of the connecting column (333) in the length direction, the chute (331) is arranged through an avoidance slot (313) on the weighing compartment (31), and the lower end part of the avoiding groove (313) is arranged separately from the lower end part of the sliding groove (331), the slide rail (332) is installed on the weighing bin (31), and the length of the connecting column (333) is larger than that of the sliding chute (331).

3. The production line for preparing colored pervious concrete according to claim 2, wherein the pushing assembly (30) comprises a pusher (301), a connecting plate (302) and a pushing block (303), the pusher (301) is arranged along the arrangement direction of the slide way (314) in a pushing manner, the connecting plate (302) is used for connecting the pusher (301) and the weighing device (34), the pushing block (303) and the connecting plate (302) are arranged in a connecting manner through a connecting arm (304), and the pushing block (301) is driven by the pusher (301) to slide in the sliding groove (331) and the sliding rail (332).

4. The production line for preparing colored pervious concrete according to claim 3, wherein when the pusher (301) pushes the weighing device (34) to move to a position right below the weighing frame (312), the pushing block (303) pushes the connecting column (333) to be separated from the chute (331), and the containing bin (32) loses the support of the weighing frame (312).

5. The production line of claim 1, wherein the buffer (35) comprises a buffer plate (351) and a rotating component (352) for driving the buffer plate (351) to rotate, the buffer plate (351) is vertically and rotatably mounted in the receiving hopper (311), and the buffer plate (351) comprises a rotating shaft (3511) and a plate (3512) spirally arranged around the rotating shaft (3511).

6. The production line for preparing the color pervious concrete according to claim 5, wherein the rotating assembly (352) comprises a rotating motor (3521), a worm gear (3522) and a worm wheel (3523), the rotating motor (3521) is installed on the outer wall of the receiving hopper (311), the worm gear (3522) is installed in the receiving hopper (311) in a rotating manner driven by the rotating motor (3521), the worm wheel (3523) is installed on the rotating shaft (3511), and the worm wheel (3523) is in transmission fit with the worm gear (3522).

7. A pervious concrete coloured preparation line according to claim 5, characterised in that said intermittent feeder (36) comprises:

the feeding baffle (361) is slidably installed at the feeding hole (321), slides and ascends and descends along the vertical direction, and a roller (362) is installed on the side wall of the feeding baffle (361) facing the center of the material containing bin (32); and

the rotary disc (363) is mounted at the bottom of the rotating shaft (3511), rotates synchronously with the rotating shaft (3511), and is provided with a lug (364) protruding upwards on the circumferential edge, and when the lug (364) is in interference fit with the roller (362), the feeding baffle (361) is jacked up, so that the feeding port (321) is opened.

8. A chromatic pervious concrete preparation line according to claim 5, characterised in that said vibrator (37) comprises:

the oscillation plate (371) is arranged on the side wall of the material containing bin (32), penetrates through the weighing frame (312), and is arranged outside the weighing frame (312);

the knocking hammer (372) is vertically installed above the corresponding oscillating plate (371) through an installing plate (373), the knocking hammer (372) knocks the oscillating plate (371) to enable the material containing bin (32) to oscillate, the installing plate (373) is fixedly connected with the weighing frame (312), a spring (374) is sleeved on the knocking hammer (372), and the spring (374) is abutted against the installing plate (373) for compression;

the shifting rods (375) are arranged in one-to-one correspondence with the knocking hammers (372), the shifting rods (375) are horizontally and slidably mounted on the weighing frame (312), the end parts of the shifting rods (375) outside the weighing frame (312) are arranged in a downward inclined mode, clamping grooves (3751) matched with ball heads (3721) at the tops of the knocking hammers (372) are formed in the end parts, and the shifting rods (375) shift the knocking hammers (372) to be lifted through the clamping grooves (3751); and

the guide turntable (376), the guide turntable (376) is mounted on the rotating shaft (3511), the guide turntable (376) is driven by the rotating shaft (3511) to rotate, a guide groove (377) is formed in the edge of the guide turntable (376), the guide groove (377) comprises a first groove (3771) and a second groove (3772) which are communicated with each other, and the end, located inside the weighing frame (312), of the deflector rod (375) is placed in the guide groove (377) through a rolling shaft (378).

9. The production line for preparing color pervious concrete according to claim 8, wherein when the roller (378) is located in the first groove (3771), the striking hammers (372) are lifted by the lifting rods (375), and when the roller (378) is located in the second groove (3772), the striking hammers (372) strike the vibrating plate (371).

10. A production process for preparing colored pervious concrete by using the colored pervious concrete preparation production line of claims 1-9, characterized by comprising the following steps:

loading, namely loading solid raw materials of commercial concrete for production into a corresponding raw material bin (1) on a batching device (I), wherein the raw materials comprise aggregate and admixture, the aggregate is stone, and the admixture is a mixture of cement, coal ash and slag;

metering, opening a discharge hole in the raw material bin (1), outputting aggregate and admixture in the raw material bin (1) for weighing and proportioning, wherein the weighing and proportioning comprises the following steps:

step a, a weighing device is in place, the pushing assembly (30) drives the weighing device (34) to slide to the lower part of a weighing frame (312) along a sliding groove (331) and seal an opening at the lower part of the weighing frame (312);

b, unlocking the material containing bin, namely, synchronously with the step a, pushing a connecting column (333) to be separated from a chute (331) through a pushing assembly (30) while the pushing assembly (30) drives a weigher (34) to slide, so that the material containing bin (32) loses the support of a weighing frame (312), and the material containing bin (32) is arranged on the weigher (34);

c, buffering the raw materials, opening a discharge hole of the raw material bin (1), outputting the raw materials in the raw material bin (1), driving a buffer plate (351) arranged in the receiving hopper (311) to rotate through a rotating component (352), buffering and stirring the raw materials output by the raw material bin (1), and concentrating the buffered raw materials into a storage area (320);

step d, weighing raw materials, wherein in the process of rotating the buffer plate (351) synchronously with the step c, the rotary disc (363) connected with the lower part of the rotary shaft (3511) is driven to rotate, when a lug (364) on the circumferential edge of the rotary disc (363) is in interference fit with the roller (362), the feeding baffle (361) is jacked up, the feeding hole (321) is opened, the raw materials are input into the material containing bin (32), and the raw materials are weighed by the weighing device (34) positioned at the bottom of the material containing bin (32);

step e, oscillating the raw materials, wherein the raw materials are synchronized with the step c, in the rotating process of the buffer plate (351), the guide turntable (376) on the rotating shaft (3511) is driven to rotate, when a first groove (3771) on the guide turntable (376) is matched with a roller (378) on the shifting rod (375), the shifting rod (375) shifts the knocking hammer (372) to lift, and when a second groove (3771) on the guide turntable (376) is matched with the roller (378), the knocking hammer (372) knocks the oscillating plate (371) to tap the raw materials in the material containing bin (32);

step f, outputting the raw materials, wherein after the raw materials weighed by the weighing device (34) reach the standard, the raw material bin is closed, the buffer plate (351) stops rotating, the weighing device (34) resets, the material containing bin (32) is connected with the weighing frame (312) again, the opening at the bottom of the material containing bin (32) is opened, and the raw materials in the material containing bin (32) are output to the conveying belt (2) to be conveyed; and

and step three, mixing and stirring, wherein the raw materials are conveyed to a lifting conveying device (II) by a conveying belt (2), the raw materials are conveyed into a stirring station (III) by the lifting conveying device (II), and the admixture, the stirring water, the color enhancer and the stabilizer are proportionally input to be mixed and stirred to form the color pervious concrete.