CN111335108A

CN111335108A - Ecological water-permeable pavement brick and production process thereof

Info

Publication number: CN111335108A
Application number: CN202010188612.3A
Authority: CN
Inventors: 游桂林; 谢妮
Original assignee: Anqing Renchuang Juyuan Ecological Environmental Protection Technology Co ltd
Current assignee: Anqing Renchuang Juyuan Ecological Environmental Protection Technology Co ltd
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-06-26
Anticipated expiration: 2040-03-17
Also published as: CN111335108B

Abstract

The invention relates to the technical field of building blocks, in particular to an ecological water-permeable pavement brick and a production process thereof, wherein the ecological water-permeable pavement brick comprises a water-permeable layer, a surface layer and a water-permeable layer; all the layers in the brick body are formed by vibration extrusion through a vibration forming machine; the vibration forming machine comprises a machine body, a vibration table, a mold, a pressing plate and a controller; as the raw materials of the brick body are extruded and molded to ensure the uniform distribution of the aggregate, the brick body structure after vibration molding forms a unidirectional surface layer and a permeable layer, so that a water storage layer structure cannot be obtained, and the ecological water storage effect of the ecological permeable pavement brick is lost; therefore, the operation of the vibration forming machine is adjusted through the controller, so that the coarse and fine particles of the aggregate are layered again by the brick body in the mold under low-frequency vibration, the pores among the coarse particles of the aggregate are used as the water storage layer of the brick body, and the heat island effect of a city is weakened through the evaporation of water in the water storage layer, so that the ecological regulation effect of the ecological water permeable pavement brick is achieved.

Description

Ecological water-permeable pavement brick and production process thereof

Technical Field

The invention relates to the technical field of building blocks, in particular to an ecological water-permeable pavement brick and a production process thereof.

Background

With the advance of national urbanization, the problem of 'heat island effect' brought by hardened road surfaces in cities is more and more serious, the ground ecosystem of the cities is affected, and the water circulation of the atmosphere can not effectively supplement underground water; the ecological water permeable brick effectively solves the problems, and the porous structure of the water permeable brick body enables the water permeable brick body to have rain and snow permeability; for the introduction of ecological water permeable pavement bricks, see: stachy brightness, the manufacture of water permeable bricks and the design of an ecological water seepage ground system [ D ], Huainan, university of Anhui science, 2017.

The existing water permeable brick production process of various materials is mature day by day, so that the ecological water permeable brick is required to participate in the water circulation process of an urban ecological system, the ecological water permeable brick has a water storage function, accumulated water on a road surface is eliminated, meanwhile, the accumulated water is stored in pores of a brick body, and the heat island effect of a city is reduced by reducing the absorption of heat energy of the urban ground through the evaporation of the water in the brick body.

Some technical schemes related to ecological permeable pavement bricks and a production process thereof also appear in the prior art, for example, a Chinese patent with application number 2018107466265 discloses a high-strength dustproof ecological permeable pavement brick and a production process thereof, which comprises the following raw materials: river sand, iron and steel copper slag, tailing slag or ore powder, cement and the like; the production process comprises the following steps: s1, setting the mixture ratio of various raw materials in a stirring system and stirring; s2: the material is compressed and molded by a host machine and demolded, and after demolding is finished, the product is transported to a conveying system through a plate feeding machine; s3: conveying the molded product into a curing kiln for curing; s4: conveying the products discharged from the kiln to a surface layer machine for fine processing of bricks; s5: conveying the finished products to a stacking machine for stacking, and packaging and delivering the stacked products out of the warehouse after stacking; the technical scheme can improve the water permeability efficiency, the compression strength and the bending strength of the pavement bricks, simultaneously prevent the pores of the water permeable pavement bricks from being blocked and improve the color and luster degree of the brick surfaces; but the water storage characteristic of the ecological water permeable pavement brick body in the technical scheme can not be effectively realized, and the problem of urban 'heat island effect' can not be alleviated by effectively evaporating the water stored in the brick body.

In view of this, in order to overcome the above technical problems, the present company has designed and developed an ecological water permeable pavement brick and a production process thereof, and has adopted a special brick structure and a production process to solve the above technical problems.

Disclosure of Invention

In order to make up the defects of the prior art, the invention provides an ecological permeable pavement brick and a production process thereof, wherein a hydraulic cylinder and a vibration motor which are arranged on a machine body are used, the applied pressure and the vibration frequency of the brick are adjusted by a controller, so that brick raw materials in a mould are uniformly mixed in high-frequency vibration, and then coarse and fine particles of aggregate are layered again through low-frequency vibration, wherein the fine particles of the aggregate tend to be distributed to the outer side of the brick under the low-frequency vibration, the coarse particles of the aggregate tend to be distributed to the middle part of the brick, pores among the coarse particles of the aggregate are used as a water storage layer structure of the brick, and the heat island effect of a city is weakened through evaporation of water stored in the brick, so that the ecological regulation effect of the ecological permeable pavement brick is achieved.

The ecological water-permeable pavement brick comprises a water-permeable layer and a surface layer; the surface layer is positioned on the upper surface and the lower surface of the brick body, and a permeable layer is arranged below the surface layer; the thickness of the permeable layer is smaller than that of the surface layer, and a water storage layer is arranged between the permeable layers; the water storage layer occupies the main thickness part of the brick body; the materials of each layer in the brick body comprise aggregate and adhesive, and are formed by vibration extrusion processing of a vibration forming machine; the vibration forming machine comprises a machine body, a vibration table, a mold, a pressing plate and a controller; a vibration table is arranged on the machine body, and a mold is arranged on the vibration table; the mould is fixed on the vibration table, vibration motors are arranged on two sides of the mould, and the vibration motors are arranged on two sides of the vibration table and drive the vibration table and the mould to vibrate; a damping spring is arranged between the machine body and the vibration table, and two ends of the damping spring are respectively fixed on the machine body and the vibration table; a pressing plate is arranged above the die, and an upright post is arranged on the pressing plate; a hydraulic cylinder is arranged at the top of the machine body; the bottom end of the upright post is arranged on the pressing plate, and the top end of the upright post is arranged on the hydraulic cylinder; the controller controls the output power of the vibration motor and the hydraulic cylinder; when the brick body forming machine works, the brick body raw materials which are completely mixed are filled into a mould, a controller is started, a hydraulic cylinder drives a pressing plate to compact the brick body raw materials in the mould, a vibration motor is started, the acting force applied to the pressing plate by the hydraulic cylinder is gradually increased, the brick body raw materials in the mould are gradually formed into a brick body under the combined action of vibration and extrusion, as aggregates in the brick body raw materials are divided into coarse and fine particles, a surface layer and a permeable layer of the brick body are respectively formed by the coarse and fine particles, vibration is simultaneously applied to the brick body raw materials in the extrusion forming process to ensure that the aggregates in the extrusion are uniformly distributed, so that the brick body structure after the vibration forming forms a unidirectional surface layer and a permeable layer, a water storage layer structure of a permeable brick cannot be obtained, and the ecological water storage effect of the permeable; therefore, under the precise control of a controller, by changing the pressure and the vibration frequency applied by the pressing plate and the vibration table in the vibration forming process through the vibration motor and the hydraulic cylinder which are arranged on the machine body, the low-frequency vibration is increased after the aggregates in the brick raw materials are uniformly mixed in a vibration mode, so that the coarse and fine particles in the brick raw materials are distributed in a layered mode, wherein the fine particle aggregates are located on the surface of the brick body, the coarse particle aggregates are located in the middle of the brick body, and the contact area of the coarse and fine particles of the aggregates is a permeable layer; the invention utilizes the hydraulic cylinder and the vibrating motor which are arranged on the machine body, the applied pressure and the vibration frequency of the hydraulic cylinder and the vibrating motor are adjusted by the controller, so that the brick raw materials in the mould are uniformly mixed in the high-frequency vibration, then the coarse and fine particles of the aggregate are layered again through the low-frequency vibration, wherein the fine particles of the aggregate tend to be separated to the outer side of the brick body under the low-frequency vibration to form the surface layer of the brick body, the coarse particles of the aggregate tend to be separated to the middle part of the brick body, the pores among the coarse particles of the aggregate are used as the water storage layer structure of the brick body, and the 'heat island effect' of the city is weakened through the evaporation of the water stored in the brick body, thereby achieving the ecological regulation effect of the.

Preferably, the middle part of the damping spring is provided with a vertical rod, and the height of the vertical rod is smaller than that of the spring; a supporting plate is arranged below the vertical rod and fixed on the machine body; the cylindrical surface of the upright rod is in sliding contact with the inner ring of the damping spring, and the lower half part of the cylindrical surface of the upright rod is provided with threads; the upright stanchion is engaged and installed on the supporting plate through threads; after the brick body raw materials in the mold are filled, the running vibration motor drives the mold to vibrate through the vibration table, the vibration table can vibrate in all directions due to the vibration characteristics of the vibration motor, the multilayer structure of the water permeable brick is layered in the vertical direction of the brick body, the vibration in the horizontal direction of the vibration table can form a layered structure in the horizontal direction of the brick body, and then the processing requirement of the damaged brick body is met; through setting up the pole setting in damping spring, make the cylinder and the spring sliding contact of pole setting, the vibration of spring on the horizontal direction has been reduced, and then the vibration effect that the platform that shakes produced on the horizontal direction has been weakened, the screw thread of setting in the pole setting, can adjust the pole setting top and shake the relative distance between the platform bottom, thereby the control shakes the vibration pair degree of platform, avoid shaking the vibration of platform and the stack interference of clamp plate pressurization process, and cause the clamp plate to the instantaneous excessive pressure of brick body raw materials in the mould, thereby the layering effect of brick body structure among the ecological pavement brick vibration molding that permeates water has been promoted.

Preferably, a buffer cushion is arranged above the vertical rod and fixed on the vibration table, and the buffer cushion is positioned in the center of the top of the damping spring; the middle part of the buffer pad is protruded towards the direction of the upright stanchion and corresponds to the center of the top end surface of the upright stanchion; the vertical rod limits the vibration amplitude of the vibration table under the driving of the vibration motor so as to ensure the vibration forming effect of the brick body, and the vibration table collides with the top of the vertical rod in vibration so as to cause abrasion damage to the vertical rod and the vibration table, and finally influences the limiting effect of the vertical rod on the vibration amplitude of the vibration table; through setting up the blotter in the pole setting top, when the vibration of the platform that shakes collides the pole setting, the blotter through setting up has weakened the collision dynamics to the pole setting when shaking the platform vibration, and then has prolonged the effect life-span of pole setting to the vibration shaping effect of ecological permeable pavement brick has been maintained.

Preferably, the bottom surface of the mold is provided with grooves, the grooves extend into the bottom of the mold, and the grooves divide the bottom surface of the mold into a block area in a staggered manner; a vertical plate is arranged in the die and is arranged in a groove in the bottom surface of the die; an elastic sheet is arranged between the bottom of the vertical plate and the bottom of the groove; after the pressing of the whole brick body in the mold is finished, the brick cutting machine is needed to cut the whole brick body and separate the brick body into single permeable bricks, the partition board is added in the mold to directly separate the brick body raw material into single brick bodies, and the fixed partition board can interfere the pressing process of pressing the brick body raw material by the pressing plate, so that the quality of a brick blank formed by pressing is influenced; through setting up the recess on the mould bottom surface, install the riser on the recess, separate into monolithic brick body region with the mould, set up the shell fragment between riser bottom and recess bottom, at the pressurization in-process of clamp plate, the downward pressor displacement of clamp plate compresses tightly the shell fragment gradually through the riser, has avoided the riser to the interference of clamp plate pressurization process to the production quality of the ecological pavior brick body that permeates water has been ensured.

Preferably, a pattern plate is arranged below the pressing plate, and a plurality of magnetic block protrusions are arranged on the lower surface of the pressing plate; a plurality of corresponding magnetic notches are arranged on the surface of the corrugated plate facing the pressure plate; when the patterns on the surface of the brick body are processed, the required brick body patterns are obtained by cutting and grinding the surface of the prepared brick body, so that the workload of the brick body processing process is increased, meanwhile, the waste of the brick body preparation material is caused by the components removed by cutting and grinding, the grain plate is fixed on the pressing plate by adopting the screw, the fixed position of the grain plate is unique by the screw, the offset between the extruded grain plate and the position of a mould can not be adjusted, the wear after long-time use is caused, and the repair of the screw hole and the screw is complicated; through setting up the line board under the clamp plate, pass through the suppression direct action on the brick body surface of line board with required brick body pattern, the process of brick body pattern preparation has been saved, the magnetic path of setting on the clamp plate, the magnetism notch on the cooperation line board, the quick installation of the line board of being convenient for, a plurality of magnetic path that sets up is protruding, after causing the wearing and tearing, it can resume the use to change the single magnetic path arch that corresponds, easily in-process fast switch-over different patterns at the suppression brick body, thereby the preparation speed of ecological permeable pavement brick body pattern has been promoted.

The invention relates to an ecological water permeable pavement brick production process, which is suitable for any ecological water permeable pavement brick, and comprises the following steps:

s1, selecting coal fiber stone, waste ceramic and waste glass materials as the aggregate of the ecological water-permeable pavement brick body, wherein the content of the coal stone is 30-50%, the content of the waste ceramic is 20-30%, the content of the waste glass is 30-40%, the waste glass is crushed by a crusher, the particles of the aggregate are ball-milled into uniform shapes by a ball mill, and the particles after ball milling are screened, the particles with the particle size of 0.1-1.5mm are selected as fine particles, the particles with the particle size of 3-5mm are selected as coarse particles, and the aggregate of the brick body is obtained, wherein, the proper amount of the coal fine stone maintains the structural strength of the brick body, screens the size of aggregate particles, can form the layered structure of the brick body in the vibration forming process of the brick body, meanwhile, the aggregate particles are separated according to different sizes, so that the aggregate particles can be uniformly mixed with the adhesive in the subsequent process;

s2, respectively adding an equal amount of adhesive and water into coarse and fine aggregate particles in the S1, uniformly mixing, wherein the aggregate particles in the mixture account for 80-90% of the mass fraction of the mixture, the adhesive is formed by hot melting polyethylene waste plastics after impurity separation, adding water glass and an auxiliary agent into the polyethylene waste plastics, grinding the cooled and formed solid adhesive into particles, respectively preparing brick raw materials after mixing the coarse and fine aggregate particles with the adhesive, increasing the utilization rate of the permeable brick on recyclable garbage by hot melting the polyethylene waste plastics, adding a gelling agent into the aggregate to facilitate the rapid forming of the brick in the pressing process, and maintaining the uniform distribution density of the aggregate;

s3, adding the fine-particle brick raw material in S2 into a mold of a vibration forming machine, adding the coarse-particle brick raw material into the mold to fill up a cavity of the mold, wherein the layer thickness ratio of the fine-particle brick raw material to the coarse-particle brick raw material is 1:3-1:5, pressing a pressing plate of the vibration forming machine on the mold, starting vibration, controlling the vibration frequency within the range of 3000-6000Hz, gradually increasing the pressure of the pressing plate in the vibration process, adjusting the vibration frequency to 70-110Hz after the pressure of the pressing plate on the brick raw material in the mold reaches 2-2.4MPa, vibrating for 1-2min under static pressure to obtain a brick blank, controlling the processing rhythm of vibration forming, wherein high-frequency vibration is used for fully mixing coarse and fine aggregates in the brick raw material, and then the adjusted low-frequency vibration is used for layering the fine aggregates on the upper and lower surfaces of the brick, the surface layer of the brick body is formed, the intersection area of the coarse and fine aggregate particles is the permeable layer of the brick body, and the water storage layer of the brick body is formed by utilizing larger gaps among the coarse aggregate particles in the middle of the brick body;

s4, adding the required pigment to the blank of the brick in the S3, blending to the color of the water permeable brick, putting the water permeable brick into a calcining furnace, keeping the furnace temperature at 300 ℃ to dry the water in the brick, then raising the furnace temperature to 900-1200 ℃ according to the proportion of each raw material component in the selected aggregate, calcining, preserving the temperature for 20-30h, and naturally cooling to the normal temperature to obtain the finished product of the ecological water permeable brick.

The invention has the following beneficial effects:

1. according to the invention, through the hydraulic cylinder and the vibration motor which are arranged on the machine body, the applied pressure and the vibration frequency of the hydraulic cylinder and the vibration motor are adjusted through the controller, so that the brick raw materials in the mould are uniformly mixed in high-frequency vibration, and then coarse and fine particles of the aggregate are layered again through low-frequency vibration, wherein the fine particles of the aggregate tend to be distributed to the outer side of the brick body under the low-frequency vibration, the coarse particles of the aggregate tend to be distributed to the middle part of the brick body, pores among the coarse particles of the aggregate are used as a water storage layer structure of the brick body, and the heat island effect of a city is weakened through evaporation of water stored in the brick body, so that the ecological regulation effect of the ecological water permeable pavement; the vertical rod and the buffer cushion are arranged in the damping spring, so that the vibration of the spring in the horizontal direction is reduced, and the relative distance between the vertical rod and the vibration table is changed by adjusting the thread of the vertical rod, so that the vibration pair degree of the vibration table is controlled, and the instantaneous excessive pressure of the pressing plate on the brick body raw material in the die is avoided; the blotter that sets up has weakened the collision dynamics to the pole setting when shaking the platform vibration to the vibration forming effect of ecological permeable pavement brick has been maintained.

2. According to the ecological water-permeable pavement brick, the mold is divided into a single brick body area through the groove and the vertical plate which are arranged on the bottom surface of the mold, and the elastic sheet is arranged between the bottom of the vertical plate and the bottom of the groove, so that the downward pressurizing displacement of the pressing plate gradually compresses the elastic sheet through the vertical plate, the interference of the vertical plate on the pressing process of the pressing plate is avoided, and the production quality of the ecological water-permeable pavement brick body is ensured; the pattern plate arranged under the pressing plate directly acts on the surface of the brick body through the pressing of the pattern plate with a required brick body pattern, the magnetic block arranged on the pressing plate and the magnetic notch arranged on the pattern plate can be restored to use after the abrasion is caused and the corresponding single magnetic bulge is replaced, and the pattern plate is easy to rapidly switch different brick body patterns in the process of pressing the brick body, so that the preparation speed of the brick body pattern of the ecological water-permeable pavement brick is increased.

Drawings

The invention is further described with reference to the following figures and embodiments.

FIG. 1 is a flow chart of the ecological water-permeable pavement brick production process of the invention;

FIG. 2 is a perspective view of the vibration molding machine of the present invention;

FIG. 3 is a cross-sectional view of the vibration molding machine of the present invention;

FIG. 4 is a partial enlarged view of FIG. 3 at A;

FIG. 5 is a partial enlarged view of FIG. 3 at B;

FIG. 6 is a partial enlarged view at C in FIG. 3;

FIG. 7 is a perspective view of a part of the vibration molding machine of the present invention;

FIG. 8 is a sectional view of the ecological water-permeable pavement brick of the present invention;

in the figure: permeable layer 1, hydraulic cylinder 11, surface layer 2, water storage layer 3, machine body 4, shaking table 5, mould 6, vibrating motor 61, groove 62, riser 63, shell fragment 631, clamp plate 7, stand 71, line board 72, magnetism notch 721, magnetic block protruding 73, damping spring 8, pole setting 81, screw thread 811, layer board 82, blotter 83.

Detailed Description

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 described with the specific embodiments.

As shown in fig. 1 to 8, the ecological permeable pavement brick comprises a permeable layer 1 and a surface layer 2; the surface layer 2 is positioned on the upper surface and the lower surface of the brick body, and the permeable layer 1 is arranged below the surface layer 2; the thickness of the permeable layers 1 is smaller than that of the surface layer 2, and a water storage layer 3 is arranged between the permeable layers 1; the water storage layer 3 occupies the main thickness part of the brick body; the materials of each layer in the brick body comprise aggregate and adhesive, and are formed by vibration extrusion processing of a vibration forming machine; the vibration forming machine comprises a machine body 4, a vibration table 5, a mould 6, a pressing plate 7 and a controller; a vibration table 5 is arranged on the machine body 4, and a mold 6 is arranged on the vibration table 5; the die 6 is fixed on the vibration table 5, the vibration motors 61 are arranged on two sides of the die 6, and the vibration motors 61 are arranged on two sides of the vibration table 5 to drive the vibration table 5 and the die 6 to vibrate; a damping spring 8 is arranged between the machine body 4 and the vibration table 5, and two ends of the damping spring 8 are respectively fixed on the machine body 4 and the vibration table 5; a pressing plate 7 is arranged above the die 6, and an upright column 71 is arranged on the pressing plate 7; a hydraulic cylinder 11 is arranged at the top of the machine body 4; the bottom end of the upright column 71 is arranged on the pressure plate 7, and the top end of the upright column 71 is arranged on the hydraulic cylinder 11; the controller controls the output power of the vibration motor 61 and the hydraulic cylinder 11; when the brick body forming machine works, the brick body raw materials which are completely mixed are filled into a mould 6, a controller is started, a hydraulic cylinder 11 drives a pressing plate 7 to compact the brick body raw materials in the mould 6, a vibration motor 61 is started, the acting force applied to the pressing plate 7 by the hydraulic cylinder 11 is gradually increased, so that the brick body raw materials in the mould 6 are gradually formed into a brick body under the combined action of vibration and extrusion, as aggregates in the brick body raw materials are divided into coarse and fine particles, a surface layer 2 and a permeable layer 1 of the brick body are respectively composed of the coarse and fine particles, vibration needs to be applied to the brick body raw materials during extrusion forming to ensure that the aggregates during extrusion are uniformly distributed, the brick body structure after vibration forming forms a unidirectional surface layer 2 and a permeable layer 1, a water storage layer 3 structure of the permeable brick cannot be obtained, and the ecological water storage effect of the ecological permeable pavement brick is lost; therefore, under the precise control of a controller, the vibration motor 61 and the hydraulic cylinder 11 which are arranged on the machine body 4 are used, and the pressure and the vibration frequency which are applied in the vibration forming process by the pressing plate 7 and the vibration table 5 are changed, so that the low-frequency vibration is increased after the aggregates in the brick raw materials are uniformly vibrated and mixed, and the coarse and fine particles in the brick raw materials are distributed in a layered manner, wherein the fine particle aggregates are positioned on the surface of the brick body, the coarse particle aggregates are positioned in the middle of the brick body, and the contact area of the coarse and fine particles of the aggregates is the permeable layer 1; the invention utilizes the hydraulic cylinder 11 and the vibrating motor 61 which are arranged on the machine body 4, the applied pressure and the vibration frequency of the hydraulic cylinder are adjusted by the controller, so that the brick raw materials in the mould 6 are uniformly mixed in the high-frequency vibration, then the coarse and fine particles of the aggregate are layered again through the low-frequency vibration, wherein the fine particles of the aggregate tend to be separated to the outer side of the brick under the low-frequency vibration to form the surface layer 2 of the brick, the coarse particles of the aggregate tend to be separated to the middle part of the brick, the pores among the coarse particles of the aggregate are used as the water storage layer 3 structure of the brick, and the heat island effect of a city is weakened through the evaporation of the stored water in the brick, thereby achieving the ecological regulation effect of the ecological permeable pavement brick.

As an embodiment of the present invention, a vertical rod 81 is disposed in the middle of the damping spring 8, and the height of the vertical rod 81 is smaller than the height of the spring; a supporting plate 82 is arranged below the upright rod 81, and the supporting plate 82 is fixed on the machine body 4; the cylindrical surface of the upright rod 81 is in sliding contact with the inner ring of the damping spring 8, and the lower half part of the cylindrical surface of the upright rod 81 is provided with threads 811; the upright 81 is engaged and mounted on the supporting plate 82 through threads 811; after the brick body raw materials in the mold 6 are filled, the running vibration motor 61 drives the mold 6 to vibrate through the vibration table 5, the vibration table 5 can vibrate in all directions due to the vibration characteristics of the vibration motor 61, the multilayer structure of the permeable brick is layered in the vertical direction of the brick body, the vibration in the horizontal direction of the vibration table 5 can form a layered structure in the horizontal direction of the brick body, and then the processing requirement of the damaged brick body is further met, meanwhile, in the pressurizing process of the pressing plate 7, the vibration of the mold 6 is matched, so that the mutual overlapping interference influence can be generated, the instantaneous pressure of the pressing plate 7 is overlarge, and the parameter requirement in the production process of the permeable brick body is met; through setting up pole setting 81 in damping spring 8, make pole setting 81's cylinder and spring sliding contact, the vibration of spring on the horizontal direction has been reduced, and then the vibration effect that platform 5 produced on the horizontal direction that shakes has been weakened, the screw thread 811 of setting on pole setting 81, can adjust pole setting 81 top and the relative distance between the platform 5 bottom that shakes, thereby the control shakes the vibration pair degree of platform 5, avoid shaking the vibration of platform 5 and the stack of 7 pressurization processes of clamp plate to interfere, and cause the clamp plate 7 to the instantaneous excessive pressure of brick body raw materials in mould 6, thereby the layering effect of brick body structure in the ecological permeable pavement brick vibration shaping has been promoted.

As an embodiment of the present invention, a buffer 83 is disposed above the upright 81, the buffer 83 is fixed on the vibration table 5, and the buffer 83 is located at the center of the top of the damping spring 8; the buffer pad 83 protrudes towards the middle part of the upright 81 and corresponds to the center of the top end surface of the upright 81; under the driving of the vibrating motor 61, the vertical rod 81 limits the vibration amplitude of the vibrating table 5 so as to ensure the vibration forming effect of the brick body, and the vibrating table 5 collides with the top of the vertical rod 81 in the vibration process, so that the opposite rod 81 and the vibrating table 5 are worn and damaged, and the limiting effect of the vertical rod 81 on the vibration amplitude of the vibrating table 5 is finally influenced; through setting up the blotter 83 in pole setting 81 top, when pole setting 81 is collided in the vibration of platform 5 that shakes, the blotter 83 through setting up has weakened the collision dynamics to pole setting 81 when shaking platform 5 vibration, and then has prolonged pole setting 81's effect life to the vibration shaping effect of ecological permeable pavement brick has been maintained.

As an embodiment of the present invention, the bottom surface of the mold 6 is provided with grooves 62, the grooves 62 extend into the bottom of the mold 6, and the grooves 62 alternately divide the bottom surface of the mold 6 into one block; a vertical plate 63 is arranged in the die 6, and the vertical plate 63 is arranged in a groove 62 on the bottom surface of the die 6; an elastic sheet 631 is arranged between the bottom of the vertical plate 63 and the bottom of the groove 62; after the pressing of the whole brick body in the mold 6 is finished, the brick cutting machine is needed to cut the whole brick body and separate the brick body into single permeable bricks, a partition board is added in the mold 6 to directly separate the brick body raw material into single brick bodies, and the fixed partition board can interfere the pressing process of pressing the brick body raw material by the pressing plate 7, so that the quality of a brick blank formed by pressing is influenced; through setting up recess 62 on the mould 6 bottom surface, install riser 63 on recess 62, separate into monolithic brick body region with mould 6, set up the shell fragment 631 between riser 63 bottom and recess 62 bottom, at the pressurization in-process of clamp plate 7, the downward pressor displacement of clamp plate 7 compresses tightly shell fragment 631 gradually through riser 63, has avoided riser 63 to clamp plate 7 pressurization in-process's interference to the production quality of the ecological permeable pavement brick body has been ensured.

As an embodiment of the present invention, a corrugated plate 72 is arranged below the pressing plate 7, and a plurality of magnetic block protrusions 73 are arranged on the lower surface of the pressing plate 7; the surface of the corrugated plate 72 facing the pressure plate 7 is provided with a plurality of corresponding magnetic notches 721; when the patterns on the surface of the brick body are processed, the required brick body patterns are obtained by cutting and grinding the surface of the prepared brick body, so that the workload of the brick body processing process is increased, and meanwhile, the waste of the brick body preparation material is caused by the components removed by cutting and grinding; the threaded plate 72 is fixed on the pressing plate by screws, the screws enable the fixed position of the threaded plate 72 to be unique, the offset between the extruded threaded plate 72 and the position of the die 6 cannot be adjusted, the threaded plate is worn after long-time use, and the repair of screw holes and the screws is complicated; through the card 72 that sets up under clamp plate 7, pass through the suppression direct action on the brick surface of card 72 with required brick body pattern, the process of brick body pattern preparation has been saved, the magnetic path of setting on clamp plate 7, cooperate the magnetism notch 721 on the card 72, the quick installation of card 72 of being convenient for, the protruding 73 of a plurality of magnetic path of setting, after causing wearing and tearing, it can resume the use to change the protruding 73 of single magnetic path that corresponds, easily at the in-process fast switch-over different patterns of the suppression brick body, thereby the preparation speed of ecological permeable pavement brick body pattern has been promoted.

s3, adding the fine-particle brick raw material in S2 into a mold 6 of a vibration forming machine, adding the coarse-particle brick raw material into the mold to fill up a cavity of the mold 6, wherein the layer thickness ratio of the fine-particle brick raw material to the coarse-particle brick raw material is 1:3-1:5, pressing a pressing plate 7 of the vibration forming machine on the mold 6, starting vibration, controlling the vibration frequency within the range of 3000-6000Hz, gradually increasing the pressure of the pressing plate 7 in the vibration process, adjusting the vibration frequency to 70-110Hz after the pressure of the pressing plate 7 on the brick raw material in the mold 6 reaches 2-2.4MPa, vibrating for 1-2min under static pressure to obtain a brick blank, controlling the processing rhythm of vibration forming, wherein high-frequency vibration is used for fully mixing coarse and fine aggregates in the brick raw material, and then adjusting the low-frequency vibration to layer the fine aggregates on the upper and lower surfaces of the brick, a surface layer 2 of the brick body is formed, an intersection area of coarse and fine aggregate particles is a permeable layer 1 of the brick body, and a water storage layer 3 of the brick body is formed by utilizing larger gaps among the coarse aggregate particles in the middle of the brick body;

When the brick body forming machine works, the brick body raw materials which are completely mixed are filled into the die 6, the controller is started, the hydraulic cylinder 11 drives the pressing plate 7 to compact the brick body raw materials in the die 6, the vibration motor 61 is started, the acting force applied to the pressing plate 7 by the hydraulic cylinder 11 is gradually increased, and the brick body raw materials in the die 6 are gradually formed into brick bodies under the combined action of vibration and extrusion; under the precise control of a controller, by changing the pressure and vibration frequency applied by the pressing plate 7 and the vibration table 5 in the vibration forming process through the vibration motor 61 and the hydraulic cylinder 11 arranged on the machine body 4, the low-frequency vibration is increased after the aggregates in the brick raw materials are uniformly mixed by vibration, so that the coarse and fine particles in the brick raw materials are distributed in a layered manner, wherein the fine particle aggregates are positioned on the surface of the brick body, the coarse particle aggregates are positioned in the middle of the brick body, and the contact area of the coarse and fine particles of the aggregates is the permeable layer 1; the upright rods 81 are arranged in the damping springs 8, so that the cylindrical surfaces of the upright rods 81 are in sliding contact with the springs, the vibration of the springs in the horizontal direction is reduced, the vibration effect of the vibration table 5 in the horizontal direction is weakened, the relative distance between the tops of the upright rods 81 and the bottom of the vibration table 5 can be adjusted through the threads 811 arranged on the upright rods 81, the vibration pair degree of the vibration table 5 is controlled, the superposition interference of the vibration table 5 and the pressurizing process of the pressing plate 7 is avoided, instantaneous excessive pressure of the pressing plate 7 on brick raw materials in the mold 6 is avoided, and the layering effect of the brick structure in the vibration molding of the ecological water-permeable pavement brick is improved; the buffer pads 83 arranged above the upright rods 81 weaken the collision force on the upright rods 81 when the vibration of the vibration table 5 collides with the upright rods 81 through the arranged buffer pads 83, and further prolong the service life of the upright rods 81; the groove 62 is formed in the bottom surface of the mold 6, the vertical plate 63 is mounted on the groove 62, the mold 6 is divided into a single brick body area, and the elastic sheet 631 is arranged between the bottom of the vertical plate 63 and the bottom of the groove 62; the grained plate 72 arranged under the pressing plate 7 directly acts on the surface of the brick body through the pressing of the grained plate 72 on the required brick body pattern, so that the process of preparing the brick body pattern is saved, the magnetic block arranged on the pressing plate 7 is matched with the magnetic notch 721 on the grained plate 72, the grained plate 72 is convenient to install quickly, and different patterns can be switched quickly in the process of pressing the brick body easily.

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 described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An ecological permeable pavement brick comprises a permeable layer (1) and a surface layer (2); the surface layer (2) is positioned on the upper surface and the lower surface of the brick body, and the permeable layer (1) is arranged below the surface layer (2); the thickness of the permeable layers (1) is less than that of the surface layer (2), and water storage layers (3) are arranged between the permeable layers (1); the water storage layer (3) occupies the main thickness part of the brick body; the materials of each layer in the brick body comprise aggregate and adhesive, and are formed by vibration extrusion processing of a vibration forming machine; the method is characterized in that: the vibration forming machine comprises a machine body (4), a vibration table (5), a mold (6), a pressing plate (7) and a controller; a vibration table (5) is arranged on the machine body (4), and a mould (6) is arranged on the vibration table (5); the mould (6) is fixed on the vibration table (5), the vibration motors (61) are arranged on two sides of the mould (6), and the vibration motors (61) are arranged on two sides of the vibration table (5) and drive the vibration table (5) and the mould (6) to vibrate; a damping spring (8) is arranged between the machine body (4) and the vibration table (5), and two ends of the damping spring (8) are respectively fixed on the machine body (4) and the vibration table (5); a pressing plate (7) is arranged above the die (6), and an upright post (71) is arranged on the pressing plate (7); a hydraulic cylinder (11) is arranged at the top of the machine body (4); the bottom end of the upright post (71) is arranged on the pressure plate (7), and the top end of the upright post (71) is arranged on the hydraulic cylinder (11); the controller controls the output power of the vibration motor (61) and the hydraulic cylinder (11).

2. The ecological water permeable pavement brick according to claim 1, wherein the brick is a hollow brick; the middle part of the damping spring (8) is provided with a vertical rod (81), and the height of the vertical rod (81) is smaller than that of the spring; a supporting plate (82) is arranged below the upright rod (81), and the supporting plate (82) is fixed on the machine body (4); the cylindrical surface of the upright rod (81) is in sliding contact with the inner ring of the damping spring (8), and the lower half part of the cylindrical surface of the upright rod (81) is provided with a thread (811); the upright rod (81) is engaged and installed on the supporting plate (82) through threads (811).

3. The ecological water permeable pavement brick according to claim 2, wherein: a buffer pad (83) is arranged above the upright rod (81), the buffer pad (83) is fixed on the vibration table (5), and the buffer pad (83) is positioned at the center of the top of the damping spring (8); the middle part of the buffer pad (83) in the direction towards the vertical rod (81) is protruded and corresponds to the center of the top end face of the vertical rod (81).

4. The ecological water permeable pavement brick according to claim 1, wherein: grooves (62) are formed in the bottom surface of the mold (6), the grooves (62) extend into the bottom of the mold (6), and the grooves (62) divide the bottom surface of the mold (6) into block areas in a staggered mode; a vertical plate (63) is arranged in the die (6), and the vertical plate (63) is arranged in a groove (62) on the bottom surface of the die (6); an elastic sheet (631) is arranged between the bottom of the vertical plate (63) and the bottom of the groove (62).

5. The ecological water permeable pavement brick according to claim 1, wherein: a pattern plate (72) is arranged below the pressing plate (7), and a plurality of magnetic block protrusions (73) are arranged on the lower surface of the pressing plate (7); the surface of the corrugated plate (72) facing the pressure plate (7) is provided with a plurality of corresponding magnetic notches (721).

6. An ecological water permeable pavement brick production process is characterized in that: the process is suitable for the ecological water-permeable pavement brick as claimed in any one of claims 1 to 5, and comprises the following steps:

s1, selecting coal fiber stone, waste ceramic and waste glass materials as aggregate of the ecological water-permeable pavement brick body, wherein the content of the coal fiber stone is 30-50%, the content of the waste ceramic is 20-30%, and the content of the waste glass is 20-40%, crushing the aggregate by using a crusher, ball-milling the crushed aggregate into uniform shapes by using a ball mill, screening the ball-milled particles, selecting fine particles with the particle size of 0.1-1.5mm and coarse particles with the particle size of 3-5mm, and obtaining the aggregate of the brick body;

s2, respectively adding an equal amount of adhesive and water into coarse and fine aggregate particles in the S1, uniformly mixing, wherein the aggregate in the mixture accounts for 80-90% of the mass fraction of the mixture, the adhesive is formed by hot melting polyethylene waste plastics after impurity separation, adding water glass and an auxiliary agent, grinding the cooled and formed solid adhesive into particles, and respectively preparing a brick raw material after mixing the coarse and fine aggregate particles with the adhesive;

s3, adding the fine-particle brick raw material in the S2 into a mold (6) of a vibration forming machine, adding the coarse-particle brick raw material into the mold to fill a cavity of the mold (6), wherein the layer thickness ratio of the fine-particle brick raw material to the coarse-particle brick raw material is 1:3-1:5, pressing a pressing plate (7) of the vibration forming machine on the mold (6), starting vibration, controlling the vibration frequency within the range of 3000-6000Hz, gradually increasing the pressure of the pressing plate (7) in the vibration process, adjusting the vibration frequency to 70-110Hz after the pressure of the pressing plate (7) on the brick raw material in the mold (6) reaches 2-2.4MPa, and vibrating at low frequency for 1-2min under static pressure to obtain a brick blank;