CN115674486A - Artificial stone pouring all-in-one machine and artificial stone preparation method - Google Patents
Artificial stone pouring all-in-one machine and artificial stone preparation method Download PDFInfo
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- CN115674486A CN115674486A CN202211568129.3A CN202211568129A CN115674486A CN 115674486 A CN115674486 A CN 115674486A CN 202211568129 A CN202211568129 A CN 202211568129A CN 115674486 A CN115674486 A CN 115674486A
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Abstract
The invention relates to the technical field of artificial stone manufacturing, in particular to an artificial stone pouring all-in-one machine and an artificial stone preparation method. The artificial stone pouring all-in-one machine comprises a vacuum stirring tank, a filler pump and a vacuum mixer; a vacuum stirring cavity is formed in the vacuum stirring tank, and the vacuum stirring tank also comprises a stirring discharge hole, a resin adding hole, an accelerant adding hole and a stone material adding hole which are communicated with the vacuum stirring cavity; a vacuum mixing cavity is formed in the vacuum mixer, a mixing rod capable of actively rotating is arranged in the vacuum mixing cavity, and the vacuum mixer further comprises a mixing feed inlet, a curing agent adding port and a pouring port which are communicated with the vacuum mixing cavity; the vacuum stirring tank is communicated with the vacuum mixer by means of a filler pump, the filler pump is provided with two feeding rods which are mutually embedded, the rotating directions of the two feeding rods are opposite, and each feeding rod is provided with three threads. The invention can solve the problems of low production efficiency caused by the need of additional defoaming procedure and small flow in the prior art.
Description
Technical Field
The invention relates to the technical field of artificial stone manufacturing, in particular to an artificial stone pouring all-in-one machine and an artificial stone preparation method.
Background
The artificial stone is prepared by mixing a large amount of waste stone resources which are generated during natural stone ore cutting and are difficult to effectively treat with liquid resin and then pouring the mixture on a mold, so that the production process does not directly consume primary natural resources, does not damage the natural environment and has wide development space.
At present, the production method of the artificial stone mainly comprises a solid resin hot-pressing forming method, a liquid resin high-temperature forming method and a liquid resin normal-temperature forming method, wherein the liquid resin normal-temperature forming method has the advantages of low energy consumption and low equipment cost.
The prior liquid resin normal temperature forming method generally adopts pouring equipment for pouring, such as a combined pouring machine disclosed in Chinese utility model patent ZL201820792110X, but a semi-finished product poured by the existing pouring machine generally has more bubbles, and the quality of an artificial stone finished product can be influenced by the presence of the bubbles, therefore, the prior art adopts a vibration method for defoaming, such as a resin mineral composite material ultrasonic vibration defoaming device and a process disclosed in Chinese invention patent application 2022108166781; however, the adoption of additional equipment for defoaming undoubtedly increases the working procedures, and the equipment cost is higher, so that the production is greatly facilitated if defoaming can be completed before pouring; in addition, the existing casting machine has small flow and long casting time; all the above results in low production efficiency of the artificial stone and is difficult to adapt to the requirement of industrial mass production.
Disclosure of Invention
The invention aims to provide an artificial stone pouring all-in-one machine and an artificial stone preparation method, and aims to solve the problems that in the prior art, an additional defoaming procedure is required and the production efficiency is low due to small flow.
In order to achieve the aim, the invention provides an artificial stone pouring all-in-one machine which comprises a vacuum stirring tank, a filler pump and a vacuum mixer; a vacuum stirring cavity is formed in the vacuum stirring tank, and the vacuum stirring tank also comprises a stirring discharge hole, a resin adding hole, an accelerant adding hole and a stone material adding hole which are communicated with the vacuum stirring cavity; a vacuum mixing cavity is formed in the vacuum mixer, a mixing rod capable of actively rotating is arranged in the vacuum mixing cavity, and the vacuum mixer further comprises a mixing feed inlet, a curing agent adding port and a pouring port which are communicated with the vacuum mixing cavity; the vacuum stirring tank is communicated with the vacuum mixer through a filler pump, the filler pump is provided with two feed rods which are mutually embedded, the rotation directions of the two feed rods are opposite, and each feed rod is provided with three-head threads.
Further comprises a stone material storage tank, a resin storage tank, a powdering Roots blower, a resin metering pump, a curing agent metering pump and a vacuum pump; the stone material storage box is communicated to the vacuum stirring tank by a powdering Roots blower; the resin storage tank is communicated to the vacuum stirring tank by a resin metering pump; the curing agent metering pump is communicated with the vacuum mixer; the vacuum pump is respectively communicated with the vacuum stirring tank and the vacuum mixer to vacuumize.
Furthermore, the filling pump also comprises a filling cylinder and an end cover plate; the packing barrel is internally provided with a packing cavity, the packing cavity is formed by intersecting two parallel cylindrical cavities, the two feeding rods are arranged in the packing cavity in parallel, the packing cavity is communicated to the front end of the packing barrel and forms a packing outlet, and the packing barrel further comprises a packing inlet communicated to the packing cavity; the end cover plate is arranged at the filler outlet, the middle upper part of the end cover plate is attached to the cavity wall of the middle upper part of the filler cavity, a certain distance is reserved between the lower part of the end cover plate and the lower cavity wall of the filler cavity to form a discharging gap, an upwardly concave semicircular hole is arranged in the middle of the bottom of the end cover plate, the discharging gap and the semicircular hole are both positioned below a connecting line of the axes of the two cylindrical cavities, and a chamfer structure is arranged at the front end of a ridge formed by the intersection of the two cylindrical cavities; the end cover plate is provided with two mounting holes, and the ends of the two feed rods are respectively connected with the two mounting holes in a rotating manner.
The packing pump further comprises a front cover plate, the front cover plate is installed at the front end of the packing cylinder, the front cover plate is provided with an opening communicated with the discharging gap, and the end cover plate is installed on the front cover plate; open-ended external profile includes the horizontal segment and connects at the both ends of horizontal segment and toward recessed circular arc section, sets up to the radius angle structure in horizontal segment and circular arc section handing-over department, the line collineation in the axle center of horizontal segment and two cylinder chambers.
Furthermore, the peripheries of the two feeding rods are attached to the cavity wall of the filling cavity, the peripheral diameter of the feeding rods is 100-120mm, the distance between the axes of the two feeding rods is 0.7-0.8 times of the peripheral diameter of the feeding rods, the rod body diameter of the feeding rods is 0.4-0.6 times of the peripheral diameter of the feeding rods, and the thread pitch of the threads of the feeding rods is 0.4-0.6 times of the peripheral diameter of the feeding rods.
Further, the vacuum mixer comprises a mixing barrel, and a vacuum mixing cavity is formed inside the mixing barrel; the vacuum mixing cavity comprises a feeding cavity and a mixing cavity which are communicated, the pouring port is arranged at the tail end of the mixing cavity, the mixing feeding port is arranged on the bottom cylinder wall of the feeding cavity, the top cylinder wall of the feeding cavity is provided with a vacuum chamber, and the vacuum chamber is communicated with a vacuum pumping port; the mixing rod comprises a blade section and a tooth section which are coaxially arranged and synchronously rotate, the blade section is positioned in the feeding cavity, the tooth section is positioned in the mixing cavity, and the curing agent adding port is positioned in front of the tooth section in the axial direction of the mixing cylinder; the body of rod periphery of blade section is provided with spiral helicine feeding blade, and the body of rod periphery of tooth fragment is provided with a plurality of mixed teeth piece of interval distribution, and the mode of arranging of a plurality of mixed teeth piece divides the three-section, is forward screw thread shape in proper order and arranges, is reverse screw thread shape and arranges and be parallel ring shape and arrange, and is one section that parallel ring shape arranged and is close to the sprue gate.
Further, be connected for dismantling between blade section and the tooth section, the body of rod of blade section is connected to the pay-off blade fixed connection of blade section, and a plurality of mixed tooth piece dispersions of tooth section are fixed at a plurality of sleeves, and sleeve detachably cup joints the body of rod at the tooth section.
Further, the body of rod of blade section is connected with the body of rod of tooth section with the help of helicitic texture, and the equal spiro union in both ends of the body of rod of tooth section has the retaining member, and the retaining member makes the sleeve fixed for the body of rod from both ends clamp sleeve.
Furthermore, the mixing tooth sheet is V-shaped, the diameter of the inner periphery of the mixing cavity is 70-80mm, and the diameter of the outer periphery of the tooth section is 3-5mm smaller than that of the inner periphery of the mixing cavity.
The invention provides a method for preparing artificial stones, which uses the artificial stone pouring all-in-one machine to prepare the artificial stones and comprises the following steps: a. adding unsaturated resin and accelerant into a vacuum stirring tank, and stirring at the rotating speed of 300-500r/min for 5-10mm; b. continuously adding the stone material into the vacuum stirring tank, and stirring at the rotating speed of 60-120r/min for 40-60min; c. pumping the materials in the vacuum stirring tank to a vacuum mixer by a filler pump and pouring, wherein the curing agent is added into the vacuum mixer in the period, the material pumping speed of the filler pump is 14-16 kg/min, and the curing agent adding speed is 28-32g/min; d. after the pouring is finished, the pouring body is statically cured for 20-30min, and then the constant-temperature aging curing is carried out for 2-3h at the temperature of 85-100 ℃ to obtain a finished product; wherein the weight parts of the materials are as follows: 78-80 parts of unsaturated resin, 19-20 parts of stone material, 0.15-0.2 part of accelerator and 0.15-0.2 part of curing agent; the vacuum pressure in the artificial stone pouring all-in-one machine is maintained between-0.06 MPa and-0.08 MPa in the production process.
Compared with the prior art, the artificial stone pouring all-in-one machine provided by the invention is additionally provided with the filler pump, the filler pump adopts a mode that double screws are adopted, each screw is provided with the three-head thread to convey materials from the vacuum stirring tank to the vacuum mixer, when the materials are conveyed by the two conveying rods, the conveying rods with opposite rotating directions can enable the conveying pressure to be larger, the artificial stone pouring all-in-one machine has the advantages of high pumping pressure and large flow, the pouring time is shortened, the efficiency is improved, and the high pressure is also beneficial to extruding bubbles in the materials; moreover, the arrangement of the double screws in an embedded manner and opposite rotation enables the pressure of the packing pump on the material to be forward, so that the situation of leakage behind the packing pump is avoided; meanwhile, the vacuum stirring tank and the vacuum mixer both work in a vacuum environment, so that the effect of extruding bubbles can be improved; the artificial stone obtained by pouring through the artificial stone pouring all-in-one machine does not need to pass through a defoaming process due to the factors, the pouring flow is large, and the production efficiency and the product quality are improved. The artificial stone preparation method provided by the invention also has the advantages.
Drawings
FIG. 1 is a schematic perspective view of the artificial stone casting machine of the present invention;
FIG. 2 is a schematic perspective view of a filler pump;
FIG. 3 is a schematic perspective view of the packing pump with parts removed;
FIG. 4 is a partial cross-sectional structural view of the packing pump and its internal components;
FIG. 5 is a schematic perspective view of the packing cartridge and end cover plate;
FIG. 6 is an exploded schematic view of the packing cartridge, end cover plate and front cover plate;
FIG. 7 is a schematic perspective view of a vacuum mixer;
FIG. 8 is a cross-sectional view of the vacuum mixer;
FIG. 9 is a partial schematic view of a mixing rod;
FIG. 10 is a partially exploded schematic view of a mixing rod;
fig. 11 is a perspective view of a hybrid tooth plate.
Description of reference numerals:
1. a vacuum stirring tank;
2. a filler pump; 21. a feed bar; 22. a packing cylinder; 221. a packing cavity; 222. a filler outlet; 223. a filler inlet; 224. a chamfering structure; 23. an end cover plate; 231. a semicircular hole; 232. mounting holes; 24. a discharge gap; 25. a front cover plate; 251. an opening;
3. a vacuum mixer; 31. a mixing drum; 311. a vacuum mixing chamber; 3111. a feed cavity; 3112. a mixing chamber; 32. a mixing rod; 321. a blade segment; 322. a tooth segment; 3221. mixing the tooth sheets; 3222. the positive thread is arranged in a shape; 3223. the reverse thread shape is arranged; 3224. a parallel circular ring shape; 3225. a sleeve; 323. a locking member; 33. a mixing feed port; 34. a curing agent addition port; 35. a pouring gate; 36. a vacuum chamber;
4. a stone material storage box;
5. resin storage case.
Detailed Description
The present invention will be described in detail with reference to specific examples.
In the present invention, unless otherwise explicitly specified or limited, when terms such as "disposed on", "connected" or "connected" are present, these terms should be interpreted broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; may be connected directly or through one or more intermediaries. The specific meanings of the above-mentioned terms in the present invention can be understood by those skilled in the art according to specific situations. The direction words appearing in the present invention are for better describing the characteristics of the features and the relationships among the features, and it should be understood that when the placing direction of the present invention is changed, the directions of the characteristics of the features and the relationships among the features are correspondingly changed, so the direction words do not constitute an absolute limiting function in the space of the characteristics of the features and the relationships among the features, but only play a relative limiting function.
The invention provides an artificial stone pouring all-in-one machine, which comprises a vacuum stirring tank 1, a filling pump 2 and a vacuum mixer 3, as shown in figures 1 to 11; the vacuum stirring tank 1 is internally provided with a vacuum stirring cavity, and the vacuum stirring tank 1 further comprises a stirring discharge hole, a resin adding hole, an accelerant adding hole and a stone material adding hole (which are all positioned at the top of the vacuum stirring tank 1) which are communicated with the vacuum stirring cavity. The vacuum mixer 3 is internally provided with a vacuum mixing cavity 311, a mixing rod 32 capable of actively rotating is arranged in the vacuum mixing cavity 311, and the vacuum mixer 3 further comprises a mixing feed port 33, a curing agent adding port 34 and a pouring port 35 which are communicated with the vacuum mixing cavity 311. The vacuum stirring tank 1 is communicated with the vacuum mixer 3 by means of the filler pump 2, the filler pump 2 is provided with two feeding rods 21 which are mutually embedded, the rotating directions of the two feeding rods 21 are opposite, and each feeding rod 21 is provided with three-end threads.
When the vacuum stirring tank is used, the resin, the accelerant and the stone material are added into the vacuum stirring tank 1 for stirring, and the vacuum environment of the vacuum stirring tank 1 can pump out bubbles in the material as much as possible; after the three materials are well stirred, the three materials are conveyed to a vacuum mixer 3 by a filler pump 2, so that a curing agent for curing resin is added into the vacuum mixer 3, and the materials and the curing agent are fully mixed in the vacuum mixer 3 and then are conveyed out and poured.
Based on the structural arrangement, compared with the prior art, the artificial stone pouring all-in-one machine is additionally provided with the filler pump 2, the filler pump 2 adopts a double-screw mode that each screw is provided with the three-end thread to send materials from the vacuum stirring tank 1 to the vacuum mixer 3, when the materials are fed by the two feeding rods 21, the feeding rods 21 with opposite rotating directions can enable the feeding pressure to be larger, the artificial stone pouring all-in-one machine has the advantages of high pumping pressure and large flow, the pouring time is shortened, the efficiency is improved, and the high pressure is also beneficial to extruding bubbles in the materials; moreover, the double screws are embedded and the rotating directions are opposite, so that the pressure of the filling pump 2 on the materials is always forward, and the situation of leakage behind the filling pump 2 is avoided; meanwhile, the vacuum stirring tank 1 and the vacuum mixer 3 both work in a vacuum environment, so that the effect of extruding bubbles can be improved; the artificial stone obtained by pouring through the artificial stone pouring all-in-one machine does not need to pass through a defoaming process due to the factors, the pouring flow is large, and the production efficiency and the product quality are improved.
In the embodiment, the device further comprises a stone material storage tank 4, a resin storage tank 5, a powdering roots blower (not shown), a resin metering pump (not shown), a curing agent metering pump (not shown) and a vacuum pump (not shown); the stone material storage box 4 is communicated to the vacuum stirring tank 1 by a powdering Roots blower; the resin storage tank 5 is communicated to the vacuum stirring tank 1 by a resin metering pump; the curing agent metering pump is communicated with the vacuum mixer 3; the vacuum pump is respectively communicated with the vacuum stirring tank 1 and the vacuum mixer 3 to vacuumize. Wherein, stone material storage case 4, resin storage case 5, last powder roots's fan, resin metering pump, curing agent metering pump and vacuum pump are prior art, therefore the concrete structure of these devices is not repeated in this application. In this embodiment, through increasing foretell device in order to realize the function of storage material, automatic material loading as required and evacuation, make this rostone pouring all-in-one's automation and integration degree higher.
In the present embodiment, as shown in fig. 2 to 6, the stuffing pump 2 further includes a stuffing cylinder 22 and an end cover plate 23; a packing cavity 221 is formed in the packing cylinder 22, the packing cavity 221 is formed by intersecting two parallel cylindrical cavities, the two feeding rods 21 are arranged in the packing cavity 221 in parallel, the packing cavity 221 is communicated to the front end of the packing cylinder 22 and forms a packing outlet 222, and the packing cylinder 22 further comprises a packing inlet 223 communicated to the packing cavity 221; end cover plate 23 sets up at filler outlet 222, the well upper portion of end cover plate 23 and the laminating of the well upper portion chamber wall of packing chamber 221, the certain distance of interval and formation ejection of compact clearance 24 between the lower part of end cover plate 23 and the lower chamber wall of packing chamber 221, the bottom intermediate position of end cover plate 23 is provided with to upwardly concave semicircle orifice 231, increase discharge area, ejection of compact clearance 24 and semicircle orifice 231 all are located the below of the line of the axle center of two cylinder chambers, the front end of the crossing arris that forms in two cylinder chambers is provided with chamfer structure 224, the setting of chamfer structure 224 can reduce the hindrance to the ejection of compact. Preferably, the diameter of the semicircular hole 231 is smaller than the diameter of the section of the cylindrical cavity. Based on the structural characteristics of the discharge gap 24, the effective discharge cross-sectional area is smaller than the cross-section of the packing cavity 221, so that the material is extruded in the process from the packing cavity 221 to the discharge gap 24, and bubbles are discharged better. The end cover plate 23 is provided with two mounting holes 232, and the ends of the two feeding rods 21 are respectively rotatably connected to the two mounting holes 232. Further preferably, a bearing is arranged in the mounting hole 232, the feeding rods 21 are mounted through the bearing, and the two mounting holes 232 can support the ends of the two feeding rods 21, so that the stability of the two feeding rods 21 during rotation is ensured.
In addition, this charge pump 2 still is connected with and is used for driving two synchronous reverse rotation's of pay-off pole 21 motor and drive mechanism, still is provided with seal structure between the rear end of two pay-off poles 21 and charge pump 2, and to how to drive two synchronous reverse rotation of pay-off pole 21 and how to seal for prior art, consequently does not describe in this application.
In the present embodiment, the stuffing pump 2 further comprises a front cover plate 25, the front cover plate 25 is installed at the front end of the stuffing cylinder 22, the front cover plate 25 is provided with an opening 251 communicated with the discharging gap 24, and the end cover plate 23 is installed on the front cover plate 25; the outer contour of the opening 251 comprises a horizontal section and a circular arc section which is connected at two ends of the horizontal section and is concave downwards, a fillet structure is arranged at the joint of the horizontal section and the circular arc section, and the horizontal section is collinear with the connecting line of the axes of the two cylindrical cavities. The diameter of the circular arc section is larger than that of the section of the cylindrical cavity. Because it is difficult to provide a mounting structure in the packing cavity 221, the end cover plate 23 is mounted on the packing barrel 22 through the front cover plate 25 by the above structure, so that the end cover plate 23 is better mounted, and is also connected with an external pipeline through the opening 251 to realize packing.
In this embodiment, the peripheries of the two feeding rods 21 are attached to the cavity wall of the packing cavity 221, the peripheral diameter d1 of the feeding rods 21 is 100-120mm, the distance d2 between the axes of the two feeding rods 21 is 0.7-0.8 times the peripheral diameter d1 of the feeding rods 21, the rod body diameter d3 of the feeding rods 21 is 0.4-0.6 times the peripheral diameter d1 of the feeding rods 21, and the pitch d4 of the threads of the feeding rods 21 is 0.4-0.6 times the peripheral diameter d1 of the feeding rods 21. Tests show that the artificial stone filler has good effect when the size ranges and the size proportion among the characteristics are used.
In the present embodiment, as shown in fig. 7 to 11, the vacuum mixer 3 includes a mixing cylinder 31, a vacuum mixing chamber 311 being formed inside the mixing cylinder 31; the vacuum mixing cavity 311 comprises a feeding cavity 3111 and a mixing cavity 3112 which are communicated, a pouring gate 35 is arranged at the tail end of the mixing cavity 3112, a mixing feeding port 33 is arranged on the bottom cylinder wall of the feeding cavity 3111, a vacuum chamber 36 is arranged on the top cylinder wall of the feeding cavity 3111, and the vacuum chamber 36 is communicated with a vacuum pumping port; the mixing rod 32 includes a blade section 321 and a tooth section 322 which are coaxially arranged and rotate in synchronization, the blade section 321 being located in the feed chamber 3111, the tooth section 322 being located in the mixing chamber 3112, and the curing agent addition port 34 being located before the tooth section 322 in the axial direction of the mixing cylinder 31; the body of rod periphery of blade section 321 is provided with spiral helicine feeding vane, and the body of rod periphery of tine section 322 is provided with a plurality of mixed tines 3221 of interval distribution, and the mode of arranging of a plurality of mixed tines 3221 divides the three-section, is forward screw shape in proper order and arranges 3222, is reverse screw shape and arranges 3223 and be parallel ring shape 3224 and arrange, and is that one section that parallel ring shape 3224 arranged is close to sprue gate 35. Based on the above structure, the material enters the feeding cavity 3111 from the mixing inlet 33, i.e. the material enters the feeding cavity 3111 from bottom to top, and the material enters the feeding cavity 3111 and is first vacuumed by the vacuum chamber 36 above to defoam, and meanwhile, because the feeding cavity 3111 is provided with the blade segment 321, the material is sent to the blade segment 322 by the blade segment 321 and does not enter the vacuum chamber 36 upwards to cause blockage. During the process that the material is sent forward continuously along the axial direction of the mixing cylinder 31, the curing agent is added, and the material after the curing agent is added can pass through the tooth segments 322 to fully mix the curing agent and the material. Because the tooth segments 322 also rotate synchronously and the direction of the mixing teeth 3221 of the tooth segments 322 is also specially designed, the materials are mixed in three mixing modes of positive and negative leveling (referring to the arrangement shape of the mixing teeth 3221) in the advancing process, the materials are not conveyed forward inertially any more, and the mixing effect is good.
In addition, the vacuum mixer 3 is further connected with a motor and a transmission mechanism for rotating the mixing rod 32, a sealing structure is further arranged between the rear end of the mixing rod 32 and the mixing drum 31, and how to drive the mixing rod 32 to rotate and how to realize sealing is the prior art, so that details are not repeated in the application.
In this embodiment, the blade segment 321 is detachably connected to the tooth segment 322, the feeding blade of the blade segment 321 is fixedly connected to the rod body of the blade segment 321, the mixing teeth 3221 of the tooth segment 322 are dispersedly fixed to the sleeves 3225, and the sleeves 3225 are detachably sleeved on the rod body of the tooth segment 322. Based on the above structure, firstly, the blade segment 321 and the tooth segment 322 can be detached from each other, so that the blade segment 321 and the tooth segment 322 can be manufactured separately and assembled together during assembly, and the manufacturing difficulty is reduced. Meanwhile, the mixing tooth disc 3221 can be detached separately, when an individual mixing tooth disc 3221 is damaged, the mixing tooth disc 3221 and the corresponding sleeve 3225 can be replaced with a new one after being detached, so that the whole mixing tooth disc 3221 does not need to be replaced, and the maintenance cost is low; in addition, the cleaning device can be detached and cleaned, and is convenient to clean. Preferably, the rod body of the blade section 321 is connected with the rod body of the tooth section 322 by a thread structure, so that the manufacturing and the assembly and disassembly are convenient. Preferably, locking members 323 are screwed on both ends of the rod of the tooth segment 322, and the locking members 323 clamp the sleeve 3225 from both ends to fix the sleeve 3225 relative to the rod, and the fixing fingers not only axially fix the sleeve 3225, but also circumferentially fix the sleeve 3225, i.e., the sleeve 3225 does not rotate relative to the rod.
In this embodiment, the mixing blade 3221 has a V-shape, the inner circumference diameter d5 of the mixing cavity 3112 is 70-80mm, and the outer circumference diameter of the blade section 322 is 3-5mm smaller than the inner circumference diameter d5 of the mixing cavity 3112. Through tests, the shape of the mixing tooth 3221 and the size range of the mixing cavity 3112 are good when the artificial stone is used for mixing materials.
Example one of the preparation method of the artificial stone
The embodiment provides an artificial stone preparation method, which is used for preparing artificial stones by using the artificial stone pouring all-in-one machine and comprises the following steps: a. adding unsaturated resin and an accelerant into a vacuum stirring tank, and stirring for 5min at the rotating speed of 500 r/min; b. continuously adding the stone material into the vacuum stirring tank, and stirring for 60min at the rotating speed of 60 r/min; c. pumping the materials in the vacuum stirring tank to a vacuum mixer by a filler pump and pouring, wherein the curing agent is added into the vacuum mixer in the period, the material pumping speed of the filler pump is 14 kg/min, and the curing agent adding speed is 28g/min; d. standing and curing the casting body for 20min after the casting is finished, and then carrying out constant-temperature aging curing for 3h at the temperature of 85 ℃ to obtain a finished product; wherein, the weight parts of the materials are 78 parts of unsaturated resin, 19 parts of stone material, 0.15 part of accelerant and 0.15 part of curing agent; the vacuum pressure in the artificial stone pouring all-in-one machine is maintained at-0.08 MPa in the production process.
The artificial stone product prepared by the embodiment has high hardness, good flatness and few bubbles, and meets the national standard of JC/T908-2013 artificial stone.
Method for producing artificial stone example two
The embodiment provides an artificial stone preparation method, which is used for preparing artificial stones by using the artificial stone pouring all-in-one machine and comprises the following steps: a. adding unsaturated resin and an accelerant into a vacuum stirring tank, and stirring for 10min at the rotating speed of 300 r/min; b. continuously adding the stone material into the vacuum stirring tank, and stirring at the rotating speed of 120r/min for 40min; c. pumping the materials in the vacuum stirring tank to a vacuum mixer by a filler pump and pouring, wherein the curing agent is added into the vacuum mixer in the period, the material pumping speed of the filler pump is 16 kg/min, and the curing agent adding speed is 32g/min; d. standing and curing the casting body for 30min after the casting is finished, and then carrying out constant-temperature aging curing for 2h at the temperature of 100 ℃ to obtain a finished product; wherein, the weight parts of the materials are that unsaturated resin is 80 parts, stone material is 20 parts, accelerant is 0.18 part, and curing agent is 0.18 part; the vacuum pressure in the artificial stone pouring all-in-one machine is maintained at-0.06 MPa in the production process.
The artificial stone product prepared by the embodiment has high hardness, good flatness and few bubbles, and meets the national standard of JC/T908-2013 artificial stone.
Method for producing artificial stone
The embodiment provides an artificial stone preparation method, which is used for preparing artificial stones by using the artificial stone pouring all-in-one machine and comprises the following steps: a. adding unsaturated resin and an accelerant into a vacuum stirring tank, and stirring for 8min at the rotating speed of 400 r/min; b. continuously adding the stone material into the vacuum stirring tank, and stirring for 50min at the rotating speed of 100 r/min; c. pumping the materials in the vacuum stirring tank to a vacuum mixer by a filler pump and pouring, wherein the curing agent is added into the vacuum mixer in the period, the material pumping speed of the filler pump is 15 kg/min, and the curing agent adding speed is 30g/min; d. after the pouring is finished, the pouring body is statically cured for 25min, and then the constant-temperature aging curing is carried out for 2.5h at the temperature of 95 ℃ to obtain a finished product; wherein, the weight parts of the materials are 79.6 parts of unsaturated resin, 20 parts of stone material, 0.2 part of accelerant and 0.2 part of curing agent; the vacuum pressure in the artificial stone pouring all-in-one machine is maintained at-0.08 MPa in the production process.
The artificial stone product prepared by the embodiment has high hardness, good flatness and few bubbles, and meets the national standard of JC/T908-2013 artificial stone.
In summary, the artificial stone casting all-in-one machine and the artificial stone preparation method provided by the invention can solve the problems of low production efficiency caused by the need of an additional defoaming process and small flow in the prior art.
The features of the embodiments and embodiments described above may be combined with each other without conflict.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides an rostone pouring all-in-one which characterized in that: comprises a vacuum stirring tank (1), a filler pump (2) and a vacuum mixer (3);
a vacuum stirring cavity is formed in the vacuum stirring tank (1), and the vacuum stirring tank (1) further comprises a stirring discharge hole, a resin adding hole, an accelerant adding hole and a stone material adding hole which are communicated with the vacuum stirring cavity;
a vacuum mixing cavity (311) is formed in the vacuum mixer (3), a mixing rod (32) capable of actively rotating is arranged in the vacuum mixing cavity (311), and the vacuum mixer (3) further comprises a mixing feed inlet (33), a curing agent adding port (34) and a pouring port (35) which are communicated with the vacuum mixing cavity (311);
the vacuum stirring tank (1) is communicated with the vacuum mixer (3) by means of the filler pump (2), the filler pump (2) is provided with two feeding rods (21) which are mutually embedded, the rotating directions of the two feeding rods (21) are opposite, and each feeding rod (21) is provided with three-end threads.
2. An artificial stone casting all-in-one machine according to claim 1, wherein: the device also comprises a stone material storage box (4), a resin storage box (5), a powdering Roots blower, a resin metering pump, a curing agent metering pump and a vacuum pump;
the stone material storage box (4) is communicated to the vacuum stirring tank (1) by a powdering Roots blower;
the resin storage tank (5) is communicated to the vacuum stirring tank (1) by a resin metering pump;
the curing agent metering pump is communicated with the vacuum mixer (3);
the vacuum pump is respectively communicated with the vacuum stirring tank (1) and the vacuum mixer (3) to vacuumize.
3. An artificial stone casting all-in-one machine according to claim 1 or 2, wherein: the packing pump (2) also comprises a packing cylinder (22) and an end cover plate (23);
a packing cavity (221) is formed in the packing cylinder (22), the packing cavity (221) is formed by intersecting two parallel cylindrical cavities, two feeding rods (21) are arranged in the packing cavity (221) in parallel, the packing cavity (221) is communicated to the front end of the packing cylinder (22) and forms a packing outlet (222), and the packing cylinder (22) further comprises a packing inlet (223) communicated to the packing cavity (221);
the end cover plate (23) is arranged at the filler outlet (222), the middle upper part of the end cover plate (23) is attached to the cavity wall of the middle upper part of the filler cavity (221), a certain distance is reserved between the lower part of the end cover plate (23) and the lower cavity wall of the filler cavity (221) to form a discharge gap (24), an upwardly concave semicircular hole (231) is formed in the middle of the bottom of the end cover plate (23), the discharge gap (24) and the semicircular hole (231) are both located below a connecting line of the axes of the two cylindrical cavities, and a chamfer structure (224) is arranged at the front end of a ridge formed by the intersection of the two cylindrical cavities; the end cover plate (23) is provided with two mounting holes (232), and the end parts of the two feeding rods (21) are respectively and rotatably connected with the two mounting holes (232).
4. An artificial stone casting machine according to claim 3, wherein: the packing pump (2) also comprises a front cover plate (25), the front cover plate (25) is installed at the front end of the packing cylinder (22), the front cover plate (25) is provided with an opening (251) communicated with the discharging gap (24), and the end cover plate (23) is installed on the front cover plate (25);
the outer contour of the opening (251) comprises a horizontal section and arc sections which are connected at two ends of the horizontal section and are concave downwards, a fillet structure is arranged at the joint of the horizontal section and the arc sections, and the horizontal section is collinear with the connecting line of the axes of the two cylindrical cavities.
5. An artificial stone casting machine according to claim 3, wherein: the peripheries of the two feeding rods (21) are attached to the cavity wall of the packing cavity (221), the peripheral diameter of the feeding rods (21) is 100-120mm, the distance between the axes of the two feeding rods (21) is 0.7-0.8 times of the peripheral diameter of the feeding rods (21), the rod body diameter of the feeding rods (21) is 0.4-0.6 times of the peripheral diameter of the feeding rods (21), and the thread pitch of the threads of the feeding rods (21) is 0.4-0.6 times of the peripheral diameter of the feeding rods (21).
6. An artificial stone casting all-in-one machine according to claim 1 or 2, wherein: the vacuum mixer (3) comprises a mixing barrel (31), a vacuum mixing cavity (311) is formed inside the mixing barrel (31), the vacuum mixing cavity (311) comprises a feeding cavity (3111) and a mixing cavity (3112) which are communicated, a pouring gate (35) is arranged at the tail end of the mixing cavity (3112), a mixing feeding hole (33) is arranged on the bottom barrel wall of the feeding cavity (3111), a vacuum chamber (36) is arranged on the top barrel wall of the feeding cavity (3111), and the vacuum chamber (36) is communicated with a vacuum pumping hole;
the mixing rod (32) comprises a blade section (321) and a tooth section (322) which are coaxially arranged and synchronously rotate, the blade section (321) is positioned in the feeding cavity (3111), the tooth section (322) is positioned in the mixing cavity (3112), the curing agent adding port (34) is arranged on the wall of the mixing cylinder (31) and the curing agent adding port (34) is positioned in front of the tooth section (322) in the axial direction of the mixing cylinder (31); the body of rod periphery of blade section (321) is provided with spiral helicine feeding vane, and the body of rod periphery of tine section (322) is provided with a plurality of mixed tines (3221) of interval distribution, and the mode of arranging of a plurality of mixed tines (3221) divides the three-section, is forward screw shape in proper order and arranges (3222), is reverse screw shape and arranges (3223) and be parallel ring shape (3224) and arranges, and is parallel ring shape (3224) one section of arranging and is close to sprue gate (35).
7. An artificial stone casting all-in-one machine according to claim 6, wherein: the blade section (321) is detachably connected with the tooth section (322), the feeding blade of the blade section (321) is fixedly connected with the rod body of the blade section (321), a plurality of mixing tooth sheets (3221) of the tooth section (322) are dispersedly fixed on a plurality of sleeves (3225), and the sleeves (3225) are detachably sleeved on the rod body of the tooth section (322).
8. An artificial stone casting machine according to claim 7, wherein: the body of rod of blade section (321) is connected with the body of rod of tooth section (322) with the help of helicitic texture, and the both ends of the body of rod of tooth section (322) all spiro union have retaining member (323), and retaining member (323) make sleeve (3225) fixed for the body of rod from both ends clamp sleeve (3225).
9. An artificial stone casting all-in-one machine according to claim 6, wherein: the mixing tooth plate (3221) is V-shaped, the inner circumference diameter of the mixing cavity (3112) is 70-80mm, and the outer circumference diameter of the tooth plate section (322) is 3-5mm smaller than the inner circumference diameter of the mixing cavity (3112).
10. A method for preparing an artificial stone is characterized by comprising the following steps: manufacturing artificial stone using an artificial stone casting all-in-one machine according to any one of claims 1 to 9, comprising the steps of:
a. adding unsaturated resin and accelerant into a vacuum stirring tank, and stirring at the rotating speed of 300-500r/min for 5-10mm;
b. continuously adding the stone material into the vacuum stirring tank, and stirring at the rotating speed of 60-120r/min for 40-60min;
c. pumping the materials in the vacuum stirring tank to a vacuum mixer by a filler pump and pouring, wherein the curing agent is added into the vacuum mixer in the period, the material pumping speed of the filler pump is 14-16 kg/min, and the curing agent adding speed is 28-32g/min;
d. after the pouring is finished, the pouring body is statically cured for 20-30min, and then the constant-temperature aging curing is carried out for 2-3h at the temperature of 85-100 ℃ to obtain a finished product;
wherein the weight parts of the materials are as follows: 78-80 parts of unsaturated resin, 19-20 parts of stone material, 0.15-0.2 part of accelerator and 0.15-0.2 part of curing agent; the vacuum pressure in the artificial stone pouring all-in-one machine is maintained between-0.06 MPa and-0.08 MPa in the production process.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211568129.3A CN115674486A (en) | 2022-12-08 | 2022-12-08 | Artificial stone pouring all-in-one machine and artificial stone preparation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211568129.3A CN115674486A (en) | 2022-12-08 | 2022-12-08 | Artificial stone pouring all-in-one machine and artificial stone preparation method |
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