CN211104585U

CN211104585U - Forming equipment of imitative stone material type curb of cement base

Info

Publication number: CN211104585U
Application number: CN201920434935.9U
Authority: CN
Inventors: 卢厚杰; 徐自明; 王乾
Original assignee: Changzhou Vocational Institute of Light Industry
Current assignee: Zhenjiang Dantu Gaozi Xinghuo Cement Products Factory; Changzhou Vocational Institute of Light Industry
Priority date: 2019-04-01
Filing date: 2019-04-01
Publication date: 2020-07-28
Anticipated expiration: 2029-04-01

Abstract

The utility model relates to the technical field of artificial stones, in particular to a cement-based stone-like material type curbstone forming device which comprises a middle plate arranged on the upper side of a convex template, the middle plate is movably matched with the template frame, a hydraulic cylinder is arranged on the template frame, the side edge of the template frame is provided with a traversing mechanism, a water suction plate which utilizes negative pressure to pump water to a cavity of a concave die is arranged at the bottom of the concave die on a bottom plate, a negative pressure drainage groove is arranged at the cavity of the concave die corresponding to the water suction plate and is communicated with a drainage pore arranged on the water suction plate, the drainage pore is communicated with a vacuumizing device, a demoulding lifting mechanism is arranged on the bottom plate, a guiding and limiting mechanism which guides and limits the up-and-down movement of the concave template is also arranged on the bottom plate, a discharging mechanism which outputs the demoulded curbstone to the outer side is arranged at the other side of the template frame, the, a reciprocating mechanism for driving the movable tray to do transverse reciprocating motion.

Description

Forming equipment of imitative stone material type curb of cement base

Technical Field

The utility model relates to an rostone technical field, concretely relates to former of imitative stone material type curb of cement base.

Background

With the development of the urbanization process of China being different day by day and the continuous improvement of the living standard of people, the construction of municipal infrastructure is as fierce as well as the road construction is taken as the life line of urban traffic and also enters the large-scale implementation process. Whereas curbstones are an important component in road furniture. The curb stone is a boundary stone for a strip-shaped block-shaped object to be used at the edge of a road surface, is a boundary line for distinguishing a traffic lane, a sidewalk, a green land, an isolation zone and other parts of the road surface, plays a role in guaranteeing traffic safety of pedestrians and vehicles and guaranteeing the tidiness of the edge of the road surface, can play a role in beautifying the road and protecting the road surface, has huge use amount in the construction of various infrastructures such as landscaping, road construction, old city reconstruction and the like, and has a very wide application range.

At present, the curbstone used in China is mainly divided into two types of granite stone and concrete in terms of material, the granite stone is a non-renewable resource and is relatively expensive and high in cost, at present, the main direction of the research on the curbstone in China is changed from the traditional stone to a concrete material, and the research and development of the stone-like curbstone concrete and a preparation process can realize a more economical, more environment-friendly and easier-to-process production mode and embody social responsibility of protecting natural resources and sustainable development.

The concrete road edge stone is mainly formed by pressing a mould, and the traditional mould pressing production process comprises the following steps: 1) pouring the concrete mixture into a mould, solidifying the cement for 24 hours (48 hours in autumn and winter), 2) demoulding and forming, and 3) naturally aging the demoulded curbstone for 3-5 days, and completely drying the curbstone for use. The prior preparation process has several problems to be limited to the limitation of the labor force for the rapid molding of the curb stone: when concrete enters a mould for forming, in order to ensure certain fluidity of the concrete to fill the whole cavity, a large amount of water is required to be added for dilution, during solidification, although a large-pressure extrusion mode is adopted for drainage and exhaust, so that the curb is compacted, the dehydration is difficult to be clean, the water residue can fill gaps in the curb, the strength and the performance are reduced, and the service life is short; secondly, the demolding time is long, the cement needs to stand for 1-2 days after being injected into the mold to be demolded, the natural aging needs 3-5 days again, 4-7 days are needed from production to use of one curbstone, the molding efficiency is extremely low, and the production consumption is greatly limited; and thirdly, demolding can be carried out after air drying is carried out on the curbstone molding, cement is injected into the mold during each molding and then is detached together with the mold and stored in a normal-temperature drying warehouse, one curbstone is produced to correspond to one pair of molds, a plurality of pairs of molds are required to be matched during large-yield production, and the investment cost of the molds is very high. Therefore, the existing preparation process of the curbstone has three problems of poor quality, high cost and low efficiency and needs to be solved urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to above-mentioned defect, provide a former of imitative stone material type curbstone of cement base, manufacturing efficiency is high, and curbstone intensity is high, and production is high-efficient, reduction in production cost.

The utility model provides a technical scheme that its technical problem adopted as follows:

a cement-based stone-like curbstone forming device comprises a die set, an upper die and a lower die, wherein the upper die comprises a male die and a male die plate for fixing the male die, the lower die comprises a female die, a female die plate for fixing the female die and a bottom plate for supporting the female die plate, the upper side of the male die plate is provided with a middle plate connected with the fixed male die plate, the middle plate is movably matched with the die set, the die set is provided with a hydraulic cylinder for driving the middle plate to lift and drive the male die to move up and down, the side edge of the die set is provided with a transverse moving mechanism for integrally pulling the lower die towards the side edge of the die set to facilitate filling of the female die, the bottom plate is provided with a water suction plate for pumping water to a cavity of the female die by using negative pressure, the cavity of the water suction plate corresponding to the cavity of the female die is provided with a negative pressure drainage groove matched with the cavity structure, the negative pressure drainage groove is communicated with a drainage hole arranged on the, the bottom plate is also provided with a guiding and limiting mechanism for guiding and limiting the up-and-down movement of the concave mould plate, the other side edge of the mould frame is provided with a discharging mechanism for outputting the road edge stones subjected to demoulding to the outside, and the discharging mechanism comprises a moving tray which moves from the outside to the bottom side of the concave mould when the concave mould rises and is in support connection with the initial set road edge stones subjected to demoulding, and a reciprocating mechanism for driving the moving tray to do transverse reciprocating movement.

Furthermore, the demoulding lifting mechanism is a demoulding lifting cylinder vertically arranged on the bottom plate, and the upward output end of the demoulding lifting cylinder is connected with the concave template.

Furthermore, the transverse moving mechanism comprises a transverse driving device for pulling the bottom plate to horizontally reciprocate and a transverse sliding rail arranged at the bottom of the bottom plate, so that the bottom plate can slide conveniently.

Furthermore, the upper end of the water absorption plate is provided with a filter screen for preventing mixed wet materials in the cavity from flowing out, the water drainage pipeline is connected with a water storage tank through a pipeline, and the vacuumizing device is communicated with the water storage tank.

Further, spacing guiding mechanism including set up guide frame on the bottom plate, guide arm on the guide frame with guide frame sliding fit, the top and the die board of guide arm are connected, the bottom of guide arm is equipped with the limiting plate, the guide arm goes up and down along with the die board is synchronous, the limiting plate contacts with the guide frame bottom and realizes spacing to the die board.

Furthermore, the die carrier side is equipped with a discharge frame, be equipped with on the discharge frame one with discharge frame sliding fit's translation pole, the removal tray fix on the translation pole, reciprocating mechanism set up on the discharge frame in translation pole rear side department, reciprocating mechanism's output and translation pole rear end are connected.

Furthermore, the side edge of the die carrier is also provided with a control device which is connected with and controls the hydraulic cylinder, the transverse moving mechanism, the vacuum pumping equipment and the demoulding lifting mechanism to automatically operate.

The utility model has the advantages that: by adopting the scheme, the method has the advantages that,

1) the positive pressure and the vacuum pumping negative pressure have double functions, the water removal speed is high, the removal rate is high, and the compactness, the strength, the appearance and other properties of the road edge stone are obviously improved;

2) the production efficiency is high, the time from pressure application to demolding is within 5min, the road edge stone can be directly demolded and moved away after being molded, the mold does not need to be replaced, the mold dismounting process in each molding process of the old method is omitted, and the production efficiency is greatly improved;

3) one press device corresponds to one pair of dies, so that the consistency of the quality and the size of the same batch of curbstones in the same-die production is effectively ensured, and the cost expenditure of matching multiple dies is saved;

4) the brand new formula and process have the advantages of reducing the cost of raw materials, reducing the equipment investment, greatly reducing the production cost and improving the economic benefit.

Drawings

The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.

Fig. 1 is a front view of an embodiment of the molding apparatus of the present invention.

Fig. 2 is a front view of a lower mold in an embodiment of the molding apparatus of the present invention.

Fig. 3 is a side view of the side feeding device of the middle forming device of the present invention.

Wherein: the device comprises a male die 1, a male die plate 2, a middle plate 21, a female die 3, a female die lifting cylinder 31, a female die plate 4, a bottom plate 5, a water absorption plate 6, a negative pressure drainage groove 61, a negative pressure drainage channel 62, a drainage channel 7, a water storage tank 7, a vacuum pump 8, a transverse moving cylinder 9, a transverse moving slide rail 91, a moving tray 10, a discharging frame 101, a translation rod 102, a reciprocating cylinder 103, a female die limiting cylinder 11, a limiting plate 111, a guide frame 12, a guide rod 121, a limiting plate 122, a storage bin 13, a support 131, a transverse plate 132 and a hopper 133.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Preparation example 1:

a cement-based stone-like road edge stone comprises the following components in percentage by weight: 15% of po42.5 cement, 27.5% of fine yellow sand, 50% of gypsum and 7.5% of water, wherein the average grain diameter of the fine yellow sand is 0.25mm-0.35mm, the fineness modulus is 2.2-1.6, and the fineness modulus of the gypsum is 0.1-10 mm.

A preparation method of a cement-based stone-like road edge stone comprises the following steps:

a) fully mixing 15 weight percent of po42.5 cement, 27.5 weight percent of fine yellow sand, 50 weight percent of gypsum and 7.5 weight percent of water to obtain a concrete mixed wet material, wherein the yellow sand adopts the fine yellow sand with the average grain diameter of 0.25mm-0.35mm and the fineness modulus of 2.2-1.6, and the grain diameter of the gypsum is 0.1-10 mm;

b) quantitatively placing the concrete mixed wet material into a mold cavity of a forming device, closing the mold of the forming device, controlling the mold closing pressure to be 100MPa, vacuumizing the mold cavity from the bottom of the mold cavity while closing the mold, keeping the vacuumizing degree to be 1.0MPa, and keeping the mold closing pressure and vacuumizing for 2-3min under the normal temperature condition, closing the mold, pressing the mold cavity, vacuumizing the mold cavity, draining and exhausting negative pressure, quickly discharging more than 90% of water in the concrete mixed wet material in a short time, greatly improving the drainage and exhausting speed, greatly improving the condensation speed of the mixed wet material, quickly performing initial setting and forming on the concrete mixed wet material in the mold cavity to be a solid state, and obtaining a semi-finished product of the curbstone;

c) the forming equipment is opened, the curb semi-finished product is demolded from a female die cavity, the demolded curb semi-finished product is moved out from a die, the demolded curb semi-finished product can reach stacking carrying strength, the curb with the strength can bear a pressure value which is not lower than the self weight of the pre-set formed curb semi-finished product, under the action of the pressure value, the pre-set formed curb semi-finished product cannot be damaged, the moved curb semi-finished product is transferred to a stacking area for stacking, in the process of moving out and stacking, the curb cannot be damaged and is not cracked, a cement-based imitation stone type curb finished product is obtained after drying and placing, and the concrete-based imitation stone type curb semi-finished product can be used.

The curbstone adopts a brand-new formula and process, reduces the specific gravity of cement, can save the using amount of the cement, can avoid the problem that the concrete is greatly shrunk and easily cracked due to excessive cement, does not use stone particles in the traditional ingredients, does not use curing agents, coupling agents, accelerators and other auxiliaries, has the function of retarding by adding large specific amount of gypsum, slows down the condensation speed of the cement, ensures the filling of concrete mixed wet materials, is fine particles without large particles in the ingredients, greatly improves the flatness of the surface of the curbstone, adds the gypsum, further improves the surface smoothness of the curbstone, has high surface quality of the curbstone, has high drainage and exhaust speed under the double functions of die assembly pressing and vacuumizing negative pressure of small particle materials with proper pressure values, greatly improves the compactness of the interior of the curbstone, and has no gap inside, the method has the advantages that the road edge stone with better strength and quality is obtained, fine sand replaces medium sand in traditional ingredients, compactness and surface smoothness of the road edge stone can be improved, water consumption is greatly reduced, production cost is greatly reduced, and quality of the road edge stone is greatly improved. The curbstone has smooth and flat appearance, high aesthetic degree, high mass production efficiency, capability of achieving the surface effect of natural stones, capability of replacing natural granites to protect the natural environment, high strength of C50 (namely 50 MPa) and high strength of 2300kg/m density³Compared with the existing curbstone, the density is improved by 9.5 percent, the strength is improved by 66.7 percent, the strength requirement in use can be met, the curbstone is not easy to damage under external force, and the service life is greatly prolongedThe surface quality is high, the requirements of the pavement edge tidiness and the pavement attractiveness are met, and the service performance of the road edge stone is greatly improved.

Compared with the existing production method, the forming time of the curbstone is greatly shortened, the production efficiency is obviously improved, more than 90% of water in the concrete mixed wet material and gas in the mixed wet material can be quickly discharged within extremely short time of 2-3min by combining the new formula of the curbstone under the double actions of a 100MPa pressure value of die assembly and a vacuum value of 1.0MPa, the water discharging and gas discharging efficiency is extremely high, the speed of condensing the concrete mixed wet material into a solid state is greatly improved, the double actions of positive strong pressure and bottom negative pressure are combined without adopting stone particles, adding gypsum and adopting fine sand, the wet material is fully condensed and compacted during initial condensation, no gap exists in the interior after forming, the compactness of the curbstone is obviously improved, the structural strength is further obviously improved, the die assembly pressure value in a 100MPa-160MPa die cavity is matched with the vacuum value of 0.8MPa-1.0 MPa, realize the concrete mixes the wet material and effectively condenses fast, both satisfied the curbstone initial set shaping in the very short time, have high closely knit degree, intensity, avoid the pressure value again, the too big curbstone that causes of evacuation value is compressed by the transition, the dehydration is too much, avoid the initial set failure, the appearance is cracked, can't demold or be difficult to the in-line, the effectual curbstone after having guaranteed the initial set reaches drawing of patterns intensity, thirdly, the surface smoothness of fashioned curbstone, the finish quality is good, the appearance quality is high, the shaping is fast, very big improvement production efficiency, because dual function, closely knit degree is high, the water loss rate is high, the curbstone semi-manufactured goods after the drawing of patterns can reach pile up neatly and carry intensity, the curbstone of this intensity can bear the pressure value that is not less than the semi-manufactured goods self weight of initial set shaping curbstone, under this pressure value effect, the curbstone semi-manufactured goods that initial set shaping can, The dry cracking is convenient for the subsequent stacking operation, the outstanding performance of the curbstone prepared by the preparation process can be shown from the position, the water consumption is high in the formula of the old method, the water reducing agent is required to be added to disperse cement particles, and the workability is improved, so that the compactness and hardness of the cement-based material are improved, the preparation method adopts fine yellow sand, no auxiliary agent is used, no stone particles are used, and the specific gravity of the cement is reduced, so that the water consumption is greatly reduced, the compactness and surface smoothness of the curbstone can be improved by using the fine yellow sand, the old method only can use medium sand, because the water consumption is higher when the fine sand is used in the old method, the strength of the concrete is reduced, the cost is improved when the same strength is ensured, the cement consumption is increased, the cement content is greatly reduced compared with the old method, the cement consumption is saved, the problem that the concrete is greatly shrunk and is easy to crack when the concrete is greatly reduced, and the production cost of the cur, the curb stone of higher quality is obtained simultaneously, can the press forming, drawing of patterns, shift out the pile up neatly in short 5min time curb stone, and production is high-efficient, still very big reduction former's power energy consumption, further reduction manufacturing cost, in addition, mould repeatedly usable, can carry out the suppression production of feeding again behind the curb stone drawing of patterns, mould reuse, input on the mould is low, the output is high, very big reduction in production cost.

Preparation example 2:

a cement-based stone-like road edge stone comprises the following components in percentage by weight: 16% of cement, 28% of fine yellow sand with the average grain diameter of 0.25mm-0.35mm and the fineness modulus of 2.2-1.6, 50% of gypsum and 6% of water.

a) fully mixing 16 weight percent of po42.5 cement, 28 weight percent of fine yellow sand, 50 weight percent of gypsum and 6 weight percent of water to obtain a concrete mixed wet material, wherein the yellow sand adopts the fine yellow sand with the average grain diameter of 0.25mm-0.35mm and the fineness modulus of 2.2-1.6, and the grain diameter of the gypsum is 0.1-10 mm;

b) quantitatively placing the concrete mixed wet material into a mold cavity of a molding device, closing the mold of the molding device, controlling the mold closing pressure to be 160MPa, vacuumizing the mold cavity from the bottom of the mold cavity while closing the mold, keeping the vacuumizing degree to be 0.8MPa, and closing the mold, maintaining the pressure and vacuumizing for 2min at normal temperature (about 20 ℃ of ambient temperature), quickly discharging more than 90% of water in the concrete mixed wet material, quickly dehydrating and initially solidifying the concrete mixed wet material in the mold cavity under pressure to form a solid state, thereby obtaining a semi-finished product of the curbstone;

c) and (3) opening the die of the forming equipment, demolding the semi-finished road edge stone product, then moving the semi-finished road edge stone product out of the die, transferring the moved semi-finished road edge stone product to a stacking area for stacking, and naturally drying and placing to obtain a cement-based stone-like finished road edge stone product which can be used.

Preparation example 3:

a cement-based stone-like road edge stone comprises the following components in percentage by weight: 14% of cement, 26% of fine yellow sand, 52% of gypsum and 8% of water, wherein the fine yellow sand has the average particle size of 0.25-0.35 mm and the fineness modulus of 2.2-1.6.

a) the concrete wet mixture is obtained by fully mixing 14 weight percent of po42.5 cement, 26 weight percent of fine yellow sand, 52 weight percent of gypsum and 8 weight percent of water, wherein the yellow sand adopts the fine yellow sand with the average grain diameter of 0.25mm-0.35mm and the fineness modulus of 2.2-1.6, and the grain diameter of the gypsum is 0.1-10 mm;

b) quantitatively placing the concrete mixed wet material into a mold cavity of a molding device, closing the mold of the molding device, controlling the mold closing pressure to be 120MPa, vacuumizing the mold cavity from the bottom of the mold cavity while closing the mold, keeping the vacuumizing degree to be 1.0MPa, and keeping the mold closing pressure and the vacuumizing time to be 2-3min under the normal temperature condition, closing the mold for pressing, vacuumizing the mold cavity, draining and exhausting negative pressure, quickly draining more than 90% of water in the concrete mixed wet material within a short time (3-5 min), greatly improving the draining and exhausting speed, greatly improving the condensation speed of the mixed wet material, quickly initially condensing and molding the concrete mixed wet material into a solid state in the mold cavity, and obtaining a curb semi-finished product;

c) the method comprises the following steps of opening a mold of forming equipment, moving a molded and demolded semi-finished road edge stone out of the mold, transferring the moved semi-finished road edge stone into a stacking area for stacking, drying and placing to obtain a cement-based stone-like road edge stone finished product, wherein the cement-based stone-like road edge stone finished product can be used, the mold opening, demolding and moving out are fast, the concrete-mixed wet material is pressed to be demolded and moved out from mold closing, and the process can be completed within 5min, so that the production is greatly improvedHigh productivity, smooth surface, high appearance, high strength up to C50 (50 MPa), density up to 2300kg/m³Compared with the existing road edge stone, the density of the road edge stone is improved by 9.5 percent, the strength is improved by 66.7 percent, the yield is improved by at least 280 percent, and the economical efficiency is extremely high.

Production equipment embodiment:

referring to fig. 1 and 2, the cement-based stone-like road edge stone forming equipment comprises a mould frame (not marked in the figures), an upper mould and a lower mould, wherein the upper mould comprises a male mould 1 and a male mould plate 2 for fixing the male mould 1, the lower mould comprises a female mould 3, a female mould plate 4 for fixing the female mould 3 and a bottom plate 5 for supporting the female mould plate 4, and the upper part of the mould frame is provided with a nominal force of 315 kgf/cm²The hydraulic press is used as a power driving component for die assembly, the male die 1 is fixed at the bottom of the male die plate 2, the middle plate 21 is arranged at the upper part of the male die plate 2, the male die plate 2 is fixed on the middle plate 21, the middle plate 21 is in sliding fit with a guide pillar of a die carrier, the output end of the hydraulic press is connected with the middle plate 21, the middle plate 21 drives the upper die to move up and down to realize die assembly, the middle plate 21 is used for fixing the male die plate, the strength of the upper die is improved, the service life is prolonged, meanwhile, the acting force of the hydraulic press is more uniformly acted on the male die plate, the moving stability of the upper die is improved, the failure rate of the die is reduced, the quality of road edge stone forming is improved, the female die 3 is positioned right below the male die 1, the female die 3 is fixed on the female die plate 4, the female die plate 4 is fixed on the bottom, a water storage tank 7 that is used for control cavity template 4's oscilaltion, be equipped with absorbent plate 6 in the bottom department of die 3 on bottom plate 5, be equipped with multichannel and the anastomotic negative pressure water drainage tank 61 of die cavity structure on the absorbent plate 6, during the compound die, negative pressure water drainage tank 61 communicates with each other with the laminating of die cavity bottom, multichannel negative pressure water drainage tank 61 evenly distributed, be equipped with on the absorbent plate 6 with the communicating drainage duct 62 of negative pressure water drainage tank 61, drainage duct 62 is seted up in the inside of absorbent plate 6, the side of absorbent plate 6 is equipped with the interface, drainage duct 62 passes through the interface and is connected with outside pipeline, the pipeline leads to a setting, water storage tank 7 passes through pipeline reconnection vacuum pump 8, vacuum pump 8 provides evacuation suction, vacuum pump 8 starts to produce negative pressureThe water storage pipe generates negative pressure suction force and finally acts on a cavity of the female die through a pipeline, the cavity is vacuumized at the bottom of the female die, water mixed with wet materials in the cavity is quickly sucked out and discharged into the water storage tank 7 for storage, the gas side in the negative pressure suction cavity directly escapes through a fit clearance between plates, water is discharged and stored, waste caused by direct discharge of water is avoided, the water storage tank and a vacuum pump form a closed negative pressure water pumping and storing mechanism, the closed negative pressure water pumping and storing system has small negative pressure loss and less energy loss, the negative pressure water pumping effect of the cavity of the female die is better, the efficiency is higher, the compactness and the structural strength of the curbstone are improved, the water in the water storage tank 7 is periodically discharged for cyclic utilization, the utilization rate of water resources is improved, the transverse moving cylinder 9 is arranged at the right side of the die carrier, the output end of the transverse moving cylinder 9 can be connected with the right, the pull rod is used as an extension rod at the output end of the transverse moving cylinder to play a role of increasing the stroke, so that the whole lower die can be smoothly moved out horizontally, a space is reserved for the transverse moving mechanism and the feeding mechanism, the transverse moving cylinder 9 pulls the bottom plate 5 towards the right side to drive the whole lower die to slide out towards the right side of the die carrier, in order to facilitate the sliding out of the lower die, a transverse moving slide rail 91 arranged along the left and right directions of the die carrier is arranged at the bottom of the bottom plate 5 on the die carrier, the bottom end of the bottom plate 5 is in sliding fit with the transverse moving slide rail 91, the transverse moving cylinder 9 pulls the whole lower die out towards the right side to facilitate the injection of concrete mixed wet materials into a cavity of a female die, in order to facilitate the feeding operation, the left side of the die carrier is provided with the discharging mechanism, the discharging mechanism comprises a discharging frame 101 arranged at the left side of the die carrier, reciprocating cylinder's output is connected with translation pole 102, remove tray 10 and stretch out the back and remove to the die downside, the curbstone of drawing of patterns drags into on removing tray 10, remove tray 10 and return, accomplish the curbstone ejection of compact, start this mould, sideslip cylinder 9 is pulled out lower mould whole to the die carrier right side, pour into quantitative concrete and mix wet material into the die cavity of concave mould, the completion of feeding, sideslip cylinder 9 promotes the lower mould to reset afterwards, the feeding method that the lower mould shifted out to the side, from the production angle, the die cavity exposes, be convenient for feed in raw material, it is reinforced swift, can feed in raw material, canThe production efficiency is greatly improved, when feeding is carried out each time, the cavity can be observed and detected, whether demoulding is thorough in the cavity is detected, the quality of secondary forming is improved, from the perspective of a mould, the whole outer side of the lower mould is convenient to overhaul and maintain the mould, the maintenance time is shortened, the maintenance cost is reduced, in addition, the feeding mode can ensure that the mould structure is relatively simple, the whole lower mould is moved out for feeding, the feeding efficiency is high, the feeding operation is convenient, a feeding structure is not required to be designed on the mould, the complexity of the mould is reduced, the manufacturing cost of the mould is reduced, the hydraulic press works, the middle plate is pushed to press downwards, the male mould is pressed into the cavity of the cavity, the pressure is applied to the concrete mixed wet material, meanwhile, a vacuum pump valve is opened, the pressure in the cavity is kept between 100MPa and 160MPa, when the mould, the size of the vacuum degree value in the cavity is controlled to be 0.8MPa-1.0 MPa, the cavity is vacuumized at the bottom according to the natural law that water flows to the lower part, more than 90% of moisture and gas in the mixed wet material in the cavity can be quickly discharged in a short time, the concrete mixed wet material is subjected to the combined action of pressure and negative pressure, the physical property of the concrete mixed wet material begins to change, the compactness and the compressive strength are gradually improved, the original flowable plastic material of the concrete mixed wet material is changed into an initially-solidified solid material, the double effects are realized, the small particle material of the mixed wet material is quickly dehydrated and solidified, the compactness is high, the solidification time is short, the initial solidification time is shortened within 3min, compared with the existing 24h initial solidification, the initial solidification time of the concrete mixed wet material is greatly shortened, the production efficiency of the curbstone is obviously improved, and the 100MPa-160MPa combined pressure is adopted, The concrete mixed wet material is more compact in condensation by matching with a vacuumizing degree value of 0.8-1.0 MPa, positive die assembly, pressure application and pressure maintaining and negative bottom vacuumizing, and the compactness of the road edge stone after initial setting can reach 2300kg/m³Compared with 2100kg/m of the prior road edge stone³The strength of the road edge stone produced by the mold can reach 50MPa, and compared with the existing road edge stone, the strength of the road edge stone is improved by 66.7%, and the quality of the road edge stone is greatly improvedThe die can be opened after the die is closed and maintained for 3min, the hydraulic machine returns to drive the male die to ascend, the die frame is provided with female die limiting cylinders 11 for limiting the rising of the female die, the upper ends of the female die limiting cylinders 11 are fixed on the die frame, the downward output ends of the female die limiting cylinders 11 are connected with top plates 111, the two female die limiting cylinders 11 correspond to one top plate 111, the two top plates 111 are symmetrically arranged on the left side and the right side of the die frame, the top plates 111 can be in contact with the upper end surfaces of the left side and the right side of the female die plate, the female die limiting cylinders are in an original state in a normal state, the female die limiting cylinders 11 extend downwards before the die opening to enable the limiting plates to be pressed on the female die plate to limit the height of the female die plate, the female die is prevented from being pulled by the male die when the hydraulic cylinder drives the upper die to ascend, the ascending distance of the female die is not less than the height of the movable tray, after the female die is lifted, the reciprocating cylinder pushes the translation rod to push the movable tray to the lower side of the female die, after the movable tray is in place, the female die lifting cylinder continues to push the female die plate to ascend, the male die enters the cavity of the female die again along with the continuous ascending of the female die, the preliminarily solidified curbstone in the cavity is pushed out of the cavity, the preliminarily solidified curbstone falls on the movable tray at the bottom to complete the demolding of the curbstone, then the reciprocating cylinder pulls the movable tray to withdraw to a discharging frame at the left side of the die, the subsequent ascending distance of the female die is not less than the height of the curbstone, the curbstone is prevented from colliding with the bottom of the female die in the moving process along with the movable tray, the damage of the formed curbstone is avoided, then the female die lifting cylinder drives the female die to reset, meanwhile, and carrying out next pressing production of the road edge stones. Initial setting of the road edge stones can be controlled within 3min, demoulding and moving-out time of the road edge stones can be controlled within 5min, production efficiency is greatly improved, a single pair of dies can be used for forming 1 block in every 3min, nearly 20 blocks can be produced in every hour, stacking strength can be achieved by demoulding the road edge stones, stacking can be directly carried in place, the single dies can be repeatedly produced, efficiency is high, the existing equipment can only be used by the single dies alone, and the dies which need to be replaced after use are used for pressing new road edge stonesThe cost of the upper die in production is greatly reduced; the curb stone is only 10 with 80 pairs of moulds meter output per hour, and every curb stone need can demould through 24 hours in addition and reach pile up neatly intensity, need concentrate the body pile up neatly after the drawing of patterns, and is difficult time-consuming, compares, and this production mould's efficiency is high, brings high economic benefits.

The discharging frame is a platform for discharging the initial set road edge stones, the weight of the mobile tray and the initial set road edge stones is heavy, the mobile tray is supported by the translation rod, stable operation of the mobile tray can be ensured, the translation rod is arranged on the discharging frame, the bearing capacity of the discharging frame is large, the mass of the translation rod, the mobile tray and the initial set road edge stones can be borne, the structure is stable, long time can be used, maintenance cost is reduced, and the discharging frame can be used as a discharging platform for temporarily bearing the initial set road edge stones, so that the initial set road edge stones on the discharging platform can be conveniently stacked by a subsequent stacking device; the lateral side of the die frame is provided with a control mechanism integrated by an mcu, a sensing device for detecting the movement of the lower die is arranged on the die frame, the control mechanism controls power output mechanisms such as a hydraulic machine, a transverse moving cylinder, a female die lifting cylinder and the like and a vacuum pump, the automatic production of the curbstone is realized, the production efficiency is further improved, the matching precision of the lower die and the upper die is detected by combining the sensing device, the die failure is avoided, and the quality of the curbstone is improved.

The concave template 4 needs to be guided and limited in the up-and-down movement process to ensure the matching precision, a guide frame 12 with adjustable height is arranged on the bottom plate 5, the guide frame 12 consists of a top plate and upright columns, four upright columns support a top plate, the upright columns are arranged on the bottom plate, the top plate is detachably arranged on the upper portions of the upright columns, upper and lower positioning nuts in threaded fit with the upper ends of the upright columns are arranged on the upright columns, the top plate is arranged between the upper and lower positioning nuts, the distance between the top plate and the bottom plate can be controlled through the upper positioning nuts and the lower positioning nuts, the height of the guide frame 12 can be adjusted, a vertical guide rod 121 is arranged on the guide frame 12, the guide rod 121 is in sliding fit with the top plate, the top end of the guide rod 121 is connected with the concave template 4, a limiting plate 122 is arranged at the bottom end of the guide rod 121, the guide rod 121, in addition, the limiting plate can extend to the lower side of the bottom plate, the limiting of the concave die plate is achieved through the contact of the limiting plate and the bottom end face of the bottom plate, the concave die plate is limited, on one hand, the matching precision is improved, accidental impact caused by overlarge stroke of the concave die is avoided, the safety of equipment is improved, on the other hand, curbstones with different heights can be produced, and the universality of the die is improved.

Referring to fig. 3, a feeding device for quantitatively feeding the cavity of the female die is arranged at the side edge of the traverse cylinder, the feeding device comprises a bin 13, a bracket 131 for supporting the hopper at the bottom of the bin 13, a transverse plate 132 arranged at the upper part of the bracket at the bottom of the hopper along the front-back direction of the die, and a hopper 133 sliding along the transverse plate 132 on the transverse plate 132, a hopper driving cylinder for driving the hopper to move is arranged on the bracket, the bottom of the hopper 133 is in sliding fit with the transverse plate 132, the rear end of the transverse plate 132 is arranged at the bottom of the bin, the front end of the transverse plate extends to the upper part of the lower die after being pulled out by the traverse cylinder, a material leakage port is arranged at the front end of the transverse plate, the position of the material leakage port is vertically aligned with the position of the cavity after the lower die is pulled out, the shape and structure of the material leakage port and the hopper are consistent with the cavity, the feed bin exit is equipped with quantitative discharge gate, distance between diaphragm 132 and the feed bin discharge gate is adjustable, hopper 133 height is unanimous with the distance between diaphragm to the feed bin discharge gate, the adjustment diaphragm position, change corresponding feed bin, the volume of feed bin and the volume one-to-one of the reinforced wet mixture of ration, the material of many plays can be extruded by the storehouse body of feed bin department at the in-process that the hopper removed, the quantitative discharge gate of feed bin, the quantitative volume dual fail-safe of hopper guarantees that the ration of capacity is reinforced, improve curbstone shaping quality, the yield is improved.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the techniques of the present invention are substantially any simple modification and equivalent changes to the above embodiments, all falling within the protection scope of the present invention.

Claims

1. A cement-based stone-like curbstone forming device comprises a die set, an upper die and a lower die, wherein the upper die comprises a male die and a male die plate for fixing the male die, the lower die comprises a female die, a female die plate for fixing the female die and a bottom plate for supporting the female die plate, the cement-based stone-like curbstone forming device is characterized in that a middle plate connected with the fixed male die plate is arranged at the upper side of the male die plate, the middle plate is movably matched with the die set, a hydraulic cylinder for driving the middle plate to lift and drive the male die to move up and down is arranged on the die set, a transverse moving mechanism for integrally pulling the lower die out towards the side edge of the die set to facilitate filling of the female die is arranged at the side edge of the die set by the connecting bottom plate, a water suction plate for pumping water to a cavity of the female die by using negative pressure is arranged at the bottom of the female die, the bottom plate is provided with a demoulding lifting mechanism for controlling the concave mould plate to lift up and down to enable the road edge stone after initial setting to be demoulded smoothly, the bottom plate is also provided with a guide limiting mechanism for guiding and limiting the up-and-down movement of the concave mould plate, the other side edge of the mould frame is provided with a discharging mechanism for outputting the road edge stone after demoulding to the outside, the discharging mechanism comprises a moving tray which moves from the outside to the bottom side of the concave mould when the concave mould is lifted up and supports the road edge stone after initial setting, and a reciprocating mechanism for driving the moving tray to do transverse reciprocating motion.

2. The cement-based stone-like road edge stone forming equipment as claimed in claim 1, wherein the demolding lifting mechanism is a demolding lifting cylinder vertically arranged on the bottom plate, and an upward output end of the demolding lifting cylinder is connected with the concave template.

3. The apparatus for forming cement-based stone-like type road edge stones according to claim 1, wherein the traversing mechanism comprises a transverse driving device for pulling the bottom plate to horizontally reciprocate, and a transverse sliding rail arranged at the bottom of the bottom plate for facilitating the sliding of the bottom plate.

4. The apparatus for forming a cement-based stone-like curb as recited in claim 1, wherein said suction plate has a filter screen at an upper end thereof for preventing mixed wet materials in the mold cavity from flowing out, said drain channel is connected to a water storage tank through a pipe, and said vacuum-pumping device is connected to the water storage tank.

5. The cement-based stone-like material type road edge stone molding equipment as claimed in claim 1, wherein the limiting guide mechanism comprises a guide frame arranged on the bottom plate, a guide rod arranged on the guide frame and in sliding fit with the guide frame, the top end of the guide rod is connected with the cavity plate, a limiting plate is arranged at the bottom end of the guide rod, the guide rod is lifted synchronously with the cavity plate, and the limiting plate is contacted with the bottom end of the guide frame to limit the cavity plate.

6. The molding equipment of a cement-based stone-like material type road edge stone as claimed in claim 1, wherein a discharging frame is arranged at the side of the mold frame, a translation rod in sliding fit with the discharging frame is arranged on the discharging frame, the movable tray is fixed on the translation rod, the reciprocating mechanism is arranged at the rear side of the translation rod on the discharging frame, and the output end of the reciprocating mechanism is connected with the rear end of the translation rod.

7. The cement-based stone-like material type road edge stone forming equipment as claimed in claim 1, wherein the side edge of the formwork is further provided with a control device for connecting and controlling the hydraulic cylinder, the transverse moving mechanism, the vacuum pumping equipment and the demoulding lifting mechanism to automatically operate.