CN117260964A - Concrete prefabricated product maintenance integrated production equipment and method thereof - Google Patents
Concrete prefabricated product maintenance integrated production equipment and method thereof Download PDFInfo
- Publication number
- CN117260964A CN117260964A CN202311556906.7A CN202311556906A CN117260964A CN 117260964 A CN117260964 A CN 117260964A CN 202311556906 A CN202311556906 A CN 202311556906A CN 117260964 A CN117260964 A CN 117260964A
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- prefabricated
- concrete
- steam
- groove
- supporting
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- 239000004567 concrete Substances 0.000 title claims abstract description 105
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- 238000012423 maintenance Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims description 19
- 238000007790 scraping Methods 0.000 claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 230000000670 limiting effect Effects 0.000 claims description 33
- 230000005540 biological transmission Effects 0.000 claims description 20
- 239000002994 raw material Substances 0.000 claims description 20
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 17
- 238000009415 formwork Methods 0.000 claims description 17
- 238000000465 moulding Methods 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 8
- 238000007711 solidification Methods 0.000 claims description 6
- 230000008023 solidification Effects 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 238000009417 prefabrication Methods 0.000 abstract description 8
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 229920001875 Ebonite Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/087—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/04—Discharging the shaped articles
- B28B13/06—Removing the shaped articles from moulds
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Abstract
The invention belongs to the technical field of concrete prefabrication, and in particular relates to integrated production equipment for curing a concrete prefabricated product, which comprises a supporting frame, wherein supporting legs are symmetrically welded at two ends of the supporting frame; the prefabricated template is movably arranged inside the supporting frame, and a prefabricated groove is integrally formed in the prefabricated template; the prefabricated end plate comprises a connecting frame movably arranged on the supporting leg and an end cover plate matched with the prefabricated groove; the scraping plate is slidably mounted on the prefabricated template; the positioning assembly is arranged between the supporting leg and the connecting frame; the vibrating assembly is arranged between the bottom surface of the prefabricated template and the supporting frame; and (5) a maintenance assembly. The invention can produce small-sized concrete prefabricated products in batches, so that concrete filling is convenient, steel bars can be independently fixed, mutual adhesion among the prefabricated products can not occur, steam curing can be carried out, and demoulding between the prefabricated products and a mould is simple, thereby greatly improving production efficiency and yield.
Description
Technical Field
The invention belongs to the technical field of concrete prefabrication, and particularly relates to integrated production equipment and method for curing a concrete prefabricated product.
Background
The concrete is one of the most main civil engineering materials in the current generation, has the characteristics of rich raw materials, low price, simple production process, random molding and high rigidity, and simultaneously has the characteristics of high compressive strength, good durability, wide strength grade range and the like. A common concrete structure in construction sites is a concrete precast element, known in the field of residential industrialization as PC component. Such as a precast reinforced concrete column foundation, a precast steel structure steel column foundation, a street lamp billboard column reinforced concrete foundation and a precast floor slab. Corresponding to the traditional cast-in-place concrete, the cast-in-place concrete needs site molding, site casting and site maintenance. The precast concrete is widely applied to the fields of construction, traffic, water conservancy and the like, and plays an important role in national economy.
The concrete prefabricated member is manufactured through a prefabricated member die at the present stage, wherein the small-sized prefabricated member is most troublesome to manufacture, has smaller volume and has larger demand; when the manufacturing, in order to avoid the mutual adhesion between each prefabricated member, the prefabricated members can be prefabricated one by one, so that the manufacturing efficiency is too low to meet the production requirement, moreover, because the volume is small, the concrete filling is more troublesome, the reinforcing steel bars cannot be well fixed, the later demoulding is difficult to the large prefabricated members, and therefore, the yield of the prefabricated members is low and the yield is not high.
Disclosure of Invention
The invention aims to provide integrated production equipment and method for curing concrete prefabricated products, which can be used for mass production of small concrete prefabricated products, so that concrete filling is convenient, reinforcing steel bars can be independently fixed, mutual adhesion between the prefabricated products can not occur, steam curing can be performed, demoulding between the prefabricated products and a mould is simple, and production efficiency and yield are greatly improved.
The technical scheme adopted by the invention is as follows:
a concrete preform curing integrated production facility comprising:
the two ends of the supporting frame are symmetrically welded with supporting legs;
the prefabricated template is movably arranged inside the supporting frame, and a prefabricated groove is integrally formed in the prefabricated template;
the prefabricated end plate comprises a connecting frame movably mounted on the supporting leg and an end cover plate matched with the prefabricated groove, wherein the connecting frame is fixedly connected with the end cover plate through a connecting cylinder, through holes for passing through reinforcing steel bars are uniformly formed between the connecting frame and the end cover plate, and a limiting sleeve is fixedly mounted on the outer side face of the connecting frame in a matched manner with the through holes;
the scraping plate is slidably mounted on the prefabricated template, scraping teeth on the scraping plate are embedded in the prefabricated groove in a fitting mode, and a driving assembly is arranged between the scraping plate and the supporting frame;
the positioning assembly is arranged between the supporting legs and the connecting frame and used for pushing or fixing the connecting frame;
the vibrating assembly is arranged between the bottom surface of the prefabricated template and the supporting frame and is used for vibrating and demolding the prefabricated template;
the maintenance assembly comprises a steam generator arranged on one side of the supporting frame and a waterfall steam pipe fixedly arranged on the top of the scraping plate, a steam guide branch pipe is correspondingly arranged on the side surface of the waterfall steam pipe and the prefabricated groove, a waterfall steam spray nozzle is embedded and arranged at one end of the steam guide branch pipe extending to the interior of the prefabricated groove, and an air inlet port of the waterfall steam pipe is communicated with an air outlet port of the steam generator through a spring hose;
the method comprises the steps of limiting the positions of reinforcing steel bars through a prefabricated formwork, combining an end cover plate with a prefabricated groove to form a concrete prefabricated mold, scraping redundant concrete raw materials by utilizing a scraping plate during pouring, limiting the positions of the prefabricated end plates through a positioning assembly, demolding after molding, vibrating the uniform concrete raw materials by utilizing a vibrating assembly, demolding after molding, starting a steam generator in the concrete molding process, generating hot steam, supplying a waterfall steam pipe through a spring hose, spraying the hot steam on the concrete surface from a waterfall steam spray head of a steam guide branch pipe, driving the scraping plate and the waterfall steam pipe to slide back and forth on the surface of the prefabricated formwork by utilizing a driving assembly, spraying the steam on the concrete surface, and performing steam maintenance on the concrete surface.
After the concrete is finally solidified, the temperature rising speed and the temperature reducing speed of the steam generator are lower than 10 ℃/h, and the constant internal temperature of the concrete is 20-65 ℃.
The side wall height of the prefabricated groove is larger than the height of the end cover plate, and scraping teeth of the scraping plate extend downwards to the plane where the top surface of the end cover plate is located.
The driving assembly comprises a belt, a driving roller and a gear motor, wherein the belt is arranged on the top surface of the supporting frame in parallel, the driving roller is rotatably arranged on the top surface of the supporting frame, the gear motor is fixedly arranged on the top surface of the supporting frame, the belt is paved between the two driving rollers on the same side, and the gear motor is in transmission connection with one driving roller through a reducer.
And a transmission connecting shaft for synchronous transmission is arranged between the two groups of parallel driving rollers, the transmission connecting shaft is rotatably connected between the supporting frames, and two ends of the transmission connecting shaft are in transmission connection with the two groups of driving rollers through belt wheel groups.
The locating component comprises a telescopic sleeve, a screw rod and a threaded support, wherein the telescopic sleeve is rotatably arranged at the top of a supporting leg, the screw rod is slidably arranged in the telescopic sleeve, the threaded support is fixedly arranged on the side wall of the supporting leg, the screw rod is in threaded connection with the threaded support, a locating pin and a circular push plate are fixedly welded at one end of the screw rod, which is far away from the telescopic sleeve, the circular push plate is movably embedded in the threaded support, and through grooves are symmetrically formed in two ends of the connecting frame and matched with the locating pin.
The supporting leg top fixed mounting has servo motor, servo motor power take off end fixed mounting has drive gear, telescopic sleeve keeps away from screw rod one end has driven gear, driven gear with drive gear meshes mutually.
The vibrating assembly comprises a supporting bottom plate fixedly arranged between the bottom surfaces of the supporting frames, a tubular linear motor is vertically arranged on the supporting bottom plate, and a limiting sleeve piece is fixedly arranged at the power output end of the tubular linear motor;
the prefabricated template bottom surface fixed mounting has the support diaphragm, support diaphragm bottom surface integrated into one piece has a limit sleeve, tubular linear electric motor's power take off end slip imbed in inside the limit sleeve, spacing external member laminate in limit sleeve's inner wall still is provided with the spring damper between the adjacent tubular linear electric motor, spring damper fixed mounting in support diaphragm bottom surface with between the supporting baseplate top surface.
The support frame is internally and vertically provided with limiting posts, two ends of the support transverse plate are symmetrically provided with limiting sleeves in a matched mode, and the support transverse plate is sleeved between the limiting posts in a sliding mode through the limiting sleeves.
The integrated production method for curing the concrete prefabricated product is applied to the concrete prefabricated product production system and comprises the following steps of:
step one, rotating and adjusting a positioning pin to be in a horizontal state through a driven gear and a driving gear by a servo motor, aligning a through groove with the positioning pin, mounting a connecting frame on a supporting leg, starting a servo motor driving screw to shrink, clamping the connecting frame on the supporting leg by the positioning pin, fixing an end cover plate at a port of a prefabricated groove, and uniformly smearing a release agent in the prefabricated groove;
step two, connecting the steel bars from the through holes of the limiting sleeve to the inside of the connecting frame and the end cover plate in series, gradually connecting the steel bars to the inside of the prefabricated groove until the steel bars penetrate out of the through holes of the limiting sleeve at the other end, adjusting the exposed lengths of the two ends of the steel bars according to the requirement, and then connecting the required steel bars in series in sequence according to the method to realize limiting and fixing of the steel bars;
pouring concrete raw materials into the prefabricated groove after the steel bars in the step two are connected in series, and vertically and repeatedly stretching half of the tubular linear motors alternately arranged in the vibrating assembly to vibrate the prefabricated formwork, so that the concrete raw materials are uniformly distributed in the prefabricated groove, and the other half of the tubular linear motors are not started to provide support for the prefabricated formwork;
step four, starting a speed reducing motor, driving a scraping plate to slide back and forth on the surface of the prefabricated template through a belt, and discharging redundant concrete raw materials in the prefabricated groove from two ends of the prefabricated groove;
step five, naturally drying and solidifying the concrete raw material in a proper environment, after the concrete is finally solidified, starting a steam generator to generate hot steam, supplying a waterfall steam pipe through a spring hose, spraying the hot steam on the concrete surface from a waterfall steam spray head of a steam guide branch pipe, simultaneously starting a gear motor to drive a scraper blade and the waterfall steam pipe to slide back and forth on the surface of a prefabricated template, uniformly spraying steam on the concrete surface, curing the concrete, wherein the heating speed and the cooling speed of the steam generator are 10 ℃/h, and the constant-temperature internal temperature of the concrete is 50 ℃;
step six, after the drying and solidification of the prefabricated product are finished, starting the tubular linear motor to vertically stretch and stretch to vibrate the prefabricated form, so that the prefabricated form can be quickly demolded from the prefabricated product, and simultaneously, the prefabricated form can be pulled downwards to be demolded from the prefabricated product;
and step seven, after demolding the prefabricated product and the prefabricated template, starting a servo motor to reversely rotate, stretching the screw rod relative to the telescopic sleeve, simultaneously utilizing a circular push plate to push the connecting frame outwards, pulling the end cover plate and two ends of the prefabricated product to perform demolding, then rotationally adjusting the positioning pins to a horizontal state, pulling the connecting frame outwards, enabling the positioning pins to pass through the through grooves, completing the separation of the connecting frame, dismantling the prefabricated end plate, removing the restriction on the reinforcing steel bars, and finally separating the prefabricated products one by one.
The invention has the technical effects that:
the prefabricated templates are matched with the end cover plates, the prefabricated grooves are arranged on the prefabricated templates in an array mode, small prefabricated parts can be produced in batches, meanwhile, the connection frames and the end cover plates are utilized to be combined to limit and fix the steel bars, so that the steel bars in the small prefabricated parts are uniformly and stably distributed, and the yield is improved; through the arrangement of the prefabricated templates, the concrete can be filled in a large amount at one time, so that the filling is more convenient, and the overall prefabrication efficiency is higher;
the scraping plates are arranged, and the height difference exists between the side wall of the prefabricated groove and the end cover plate, so that after the concrete is filled, the scraping plates can be utilized to reciprocate on the prefabricated template to scrape the redundant concrete and discharge the redundant concrete from the two ends of the prefabricated groove, thus the prefabricated parts are prevented from being adhered, the mould is more convenient to disassemble, the prefabricated parts do not need to be manufactured one by one, the prefabrication efficiency is greatly improved, and the production requirement is met;
the positioning assembly is arranged, before prefabrication, the connecting frame and the end cover plate are utilized to limit and fix the steel bars, so that the uniform distribution of the steel bars in the prefabrication is ensured, the yield is improved, and meanwhile, the connecting frame is clamped and fixed on the supporting legs by utilizing the positioning pins, so that the end cover plate is stably arranged at two ends of the prefabrication groove, the prefabrication is convenient to manufacture, and the stability of the end cover plate in the manufacturing process is ensured; after the solidification of the prefabricated part is finished, the connecting frame and the end cover plate are pushed to be separated from the original position through the reverse extension of the screw rod, so that demolding is realized with the prefabricated part, and the prefabricated end plate can be integrally disassembled without interfering with the demolding of the prefabricated part, so that the demolding of the prefabricated part is more convenient;
the invention is provided with the vibrating component, so that the concrete is distributed more uniformly in the prefabricating groove through the vibrating of the tubular linear motor in the prefabricating process, and the prefabricated template and the formed prefabricated member are quickly separated through the vibrating of the tubular linear motor after the prefabricated member is solidified, thereby not only improving the manufacturing yield of the prefabricated member, but also ensuring the convenience of demoulding;
the curing assembly is arranged, and can be matched with the scraping plate by utilizing the waterfall steam pipe in the concrete solidification process, so that the curing assembly slides back and forth on the surface of the prefabricated template, steam is uniformly sprayed on the surface of the concrete, steam curing is carried out on the concrete, the moisture on the surface of the concrete is rapidly evaporated, the internal drying effect is better, the strength of the concrete is improved, the humidity of the surface of the concrete is reduced, the probability of cracking and shrinking is smaller, and the quality of a prefabricated product is improved.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic partial perspective view of an embodiment of the present invention;
FIG. 3 is a schematic view of a prefabricated form and prefabricated end panel combination according to an embodiment of the present invention;
FIG. 4 is a schematic view of a prefabricated end panel structure according to an embodiment of the present invention;
FIG. 5 is a schematic view of a prefabricated form according to an embodiment of the present invention;
FIG. 6 is a top view of an embodiment of the present invention;
FIG. 7 is a cross-sectional view taken along section A-A of FIG. 6 in accordance with an embodiment of the present invention;
FIG. 8 is a schematic view of a positioning assembly according to an embodiment of the present invention;
FIG. 9 is a side view of FIG. 8 in accordance with the present invention;
FIG. 10 is a top cross-sectional view of FIG. 8 of the present invention;
FIG. 11 is a schematic view of a support frame assembly according to an embodiment of the present invention;
FIG. 12 is a schematic view of a blade assembly according to an embodiment of the present invention;
fig. 13 is a schematic view of a curing assembly according to an embodiment of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a support frame; 2. prefabricating a template; 3. prefabricating end plates; 4. a scraper; 5. a positioning assembly; 6. vibrating the assembly; 7. reinforcing steel bars; 8. maintaining the assembly;
11. support legs; 12. a limit strut;
21. prefabricating a groove; 22. a supporting cross plate; 23. a limit sleeve;
31. a connection frame; 32. an end cover plate; 33. a connecting cylinder; 34. a limit sleeve; 35. a through groove;
41. a belt; 42. a driving roller; 43. a speed reducing motor; 44. a speed reducer; 45. a transmission connecting shaft; 46. a belt pulley set;
51. a telescoping sleeve; 52. a screw; 53. a threaded support; 54. a positioning pin; 55. a servo motor; 56. a driven gear; 57. a drive gear; 58. a circular push plate;
61. a support base plate; 62. a tubular linear motor; 63. a limit sleeve; 64. a spring buffer;
81. a steam generator; 82. a waterfall pipe; 83. a steam guide branch pipe; 84. and a spring hose.
Detailed Description
The present invention will be specifically described with reference to examples below in order to make the objects and advantages of the present invention more apparent. It should be understood that the following text is intended to describe only one or more specific embodiments of the invention and does not limit the scope of the invention strictly as claimed.
As shown in fig. 1 to 13, an integrated production device for curing a concrete prefabricated product comprises a supporting frame 1, prefabricated templates 2 movably installed in the supporting frame 1, prefabricated end plates 3 arranged at two ends of the prefabricated templates 2, scraping plates 4 slidably installed on the prefabricated templates 2, a positioning component 5 for pushing or fixing the prefabricated end plates 3, a vibrating component 6 for vibrating and demolding the prefabricated templates 2 and a curing component 8 for curing concrete steam;
the position of the reinforcing steel bar 7 is limited through the prefabricated formwork 2, the prefabricated end plate 3 and the prefabricated groove 21 are combined to form a concrete prefabricated mold, the reinforcing steel bar 7 is limited and fixed, redundant concrete raw materials are scraped by the scraping plate 4 during pouring, the position of the prefabricated end plate 3 is limited through the positioning component 5, demolding is performed after molding, the vibrating component 6 is used for vibrating the uniform concrete raw materials, demolding is performed after molding, and meanwhile steam curing is performed on the concrete raw materials in the concrete molding process through the curing component 8.
Referring to fig. 2-3, supporting legs 11 are symmetrically welded at two ends of a supporting frame 1, a prefabricated template 2 is movably arranged in the supporting frame 1, a prefabricated groove 21 is integrally formed on the prefabricated template 2, a supporting transverse plate 22 is fixedly arranged on the bottom surface of the prefabricated template 2, and a limit sleeve 23 is integrally formed on the bottom surface of the supporting transverse plate 22;
referring to fig. 6-7, in order to support and vibrate the prefabricated form 2, the vibration assembly 6 includes a supporting base plate 61 fixedly installed between the bottom surfaces of the supporting frames 1, a tubular linear motor 62 is vertically installed on the supporting base plate 61, a limit sleeve 63 is fixedly installed on the power output end of the tubular linear motor 62, the power output end of the tubular linear motor 62 is slidably embedded in the limit sleeve 23, the limit sleeve 63 is attached to the inner wall of the limit sleeve 23, the limit sleeve 63 is made of hard rubber material, and the prefabricated form 2 is not damaged due to overlarge impact force in the vertical vibration process;
in the embodiment, six groups of vibrating assemblies 6 are uniformly distributed at the bottom of the prefabricated formwork 2, and three tubular linear motors 62 are uniformly arranged on each group; of course, in other embodiments, settings may be made as desired;
in order to ensure the stability of the prefabricated formwork 2, the support frame 1 is internally and vertically provided with the limiting support posts 12, two ends of the support transverse plate 22 are symmetrically provided with the limiting sleeves 23 in a matched mode, and the support transverse plate 22 is sleeved between the limiting support posts 12 in a sliding mode through the limiting sleeves 23, so that the prefabricated formwork 2 can only slide up and down along the limiting support posts 12.
According to the above structure, in the supporting state, the power output end of the tubular linear motor 62 pushes the limiting sleeve 63 to the top of the limiting sleeve 23 to support the prefabricated form 2, and meanwhile, the supporting transverse plate 22 is pushed to the top of the limiting support column 12 to ensure that the prefabricated form 2 and the prefabricated end plate 3 are tightly combined;
in the concrete filling process, the tubular linear motors 62 in the three groups of vibrating assemblies 6 which are spaced from each other are started, the power output ends of the tubular linear motors continuously stretch up and down, and the prefabricated templates 2 are impacted and vibrated by the limiting sleeve 63, so that concrete can be uniformly distributed in the prefabricated templates 2, the yield is ensured, and the tubular linear motors 62 in the other three groups of vibrating assemblies 6 are not started to provide support for the prefabricated templates 2, so that the stability of the prefabricated templates 2 is ensured;
after the prefabricated member is solidified, the tubular linear motors 62 in all six groups of vibrating assemblies 6 are started, the power output ends of the tubular linear motors continuously stretch up and down, the prefabricated templates 2 are impacted and vibrated by the limiting sleeve 63, the prefabricated templates 2 are continuously pulled down, the prefabricated templates 2 can be rapidly demoulded from the prefabricated members, and the demoulding efficiency is improved.
Further, in order to buffer the vibration impact force, a spring buffer 64 is further arranged between the adjacent tubular linear motors 62, and the spring buffer 64 is fixedly arranged between the bottom surface of the supporting transverse plate 22 and the top surface of the supporting bottom plate 61, so that the vibration impact of the prefabricated formwork 2 in the vibration process can be buffered, and the overall stability of the system is ensured.
Referring to fig. 3-4, the prefabricated end plate 3 comprises a connecting frame 31 movably mounted on the supporting leg 11 and an end cover plate 32 matched with the prefabricated groove 21, a single prefabricated member die cavity is formed by combining the end cover plate 32 and the prefabricated groove 21, the connecting frame 31 and the end cover plate 32 are fixedly connected through a connecting cylinder 33, through holes for passing through the reinforcing steel bars 7 are uniformly formed between the connecting frame 31 and the end cover plate 32, a limit sleeve 34 is fixedly mounted on the outer side surface of the connecting frame 31 in a matched manner with the through holes, and the reinforcing steel bars 7 can be connected among the limit sleeve 34, the connecting frame 31 and the end cover plate 32 in series to limit and fix the reinforcing steel bars, so that the reinforcing steel bars can be kept at the appointed position of the prefabricated member during pouring, the structural strength of the prefabricated member is ensured, and the yield is improved;
further, in order to facilitate the steel bar 7 to pass through the stop collar 34, the stop collar 34 is provided with a through hole matched with the through hole on the connecting frame 31, the through hole is a conical hole, the diameter of the through hole is gradually increased from one end of the connecting frame 31 to the other end, so that the steel bar 7 can be smoothly inserted into the through hole of the stop collar 34 in the process of connecting the steel bars 7 in series, the inside of the stop collar 34 is made of elastic rubber materials, resistance can be generated to the insertion of the steel bar 7, and the steel bar 7 can be conveniently positioned and fixed.
Referring to fig. 8-10, in order to locate and demold the prefabricated end plate 3, the locating component 5 comprises a telescopic sleeve 51 rotatably installed at the top of the supporting leg 11, a screw rod 52 slidably installed in the telescopic sleeve 51 and a threaded support 53 fixedly installed on the side wall of the supporting leg 11, the screw rod 52 is in threaded connection with the threaded support 53, one end of the screw rod 52, which is far away from the telescopic sleeve 51, is fixedly welded with a locating pin 54 and a circular push plate 58, the circular push plate 58 is movably embedded in the threaded support 53, and through grooves 35 are symmetrically formed at two ends of the connecting frame 31 in a matching manner with the locating pin 54;
according to the above structure, the screw 52 is screwed into the threaded support 53, and when the screw 52 rotates relative to the threaded support 53, the screw 52 will extend or shorten relative to the support leg 11, and meanwhile, the telescopic sleeve 51 is slidably connected with the screw 52, so that the screw 52 can freely extend or retract inside the telescopic sleeve 51 while the telescopic sleeve 51 is used to drive the screw 52 to rotate;
further, in order to drive the telescopic sleeve 51, a servo motor 55 is fixedly arranged at the top end of the supporting leg 11, a driving gear 57 is fixedly arranged at the power output end of the servo motor 55, a driven gear 56 is fixedly arranged at one end, far away from the screw 52, of the telescopic sleeve 51, and the driven gear 56 is meshed with the driving gear 57;
according to the above structure, when fixing the prefabricated end plate 3, the positioning pin 54 is in an initial horizontal state, the side edge of the connecting frame 31 can be inserted between the positioning pin 54 and the circular push plate 58 by aligning the through groove 35 with the positioning pin 54, then the servo motor 55 is started to rotate forward, the telescopic sleeve 51 is driven to rotate through the driven gear 56 and the driving gear 57, so that the screw 52 is driven to rotate synchronously, retract relative to the supporting leg 11, the connecting frame 31 is clamped on the supporting leg 11 by the positioning pin 54, so that the end cover plate 32 is fixed at the port of the prefabricated groove 21, and the prefabricated mold cavity is formed by combination, so that the prefabricated member can be used for manufacturing a progressive prefabricated member;
during demolding, the servo motor 55 is started to reversely rotate, so that the screw rod 52 stretches relative to the supporting leg 11, the connecting frame 31 is pushed outwards by the round push plate 58, the end cover plate 32 and two ends of a prefabricated product are pulled to be demolded, meanwhile, the positioning pins 54 are reset to be in an initial horizontal state, the connecting frame 31 is pulled outwards, the positioning pins 54 penetrate through the through grooves 35, separation of the connecting frame 31 is completed, the prefabricated end plate 3 is removed, limitation on the reinforcing steel bars 7 is removed, and demolding is facilitated.
Referring to fig. 11-12, the scraping teeth on the scraping plate 4 are embedded in the prefabricated groove 21 in a fitting way, a belt 41 is arranged on the top surface of the supporting frame 1 in parallel, a driving roller 42 is rotatably arranged on the top surface of the supporting frame 1, and a gear motor 43 is fixedly arranged on the top surface of the supporting frame 1, the belt 41 is paved between the two driving rollers 42 on the same side, and the gear motor 43 is in transmission connection with one driving roller 42 through a reducer 44;
in order to make two groups of parallel driving rollers 42 rotate synchronously, a transmission connecting shaft 45 for synchronous transmission is arranged between the two groups of parallel driving rollers 42, the transmission connecting shaft 45 is connected between the supporting frames 1 in a rotating way, and two ends of the transmission connecting shaft 45 are connected with the two groups of driving rollers 42 in a transmission way through a belt pulley group 46, so that when a gear motor 43 drives one group of driving rollers 42 to rotate through a speed reducer 44, the belt pulley group 46 and the transmission connecting shaft 45 can be utilized to synchronously drive the other group of driving rollers 42 to rotate, and then the scraping plate 4 is driven by the two groups of parallel belts 41 to move on the top surface of the prefabricated template 2;
further, in order to guarantee the mutual separation between the prefab, can not adhere in an organic whole, the lateral wall height of prefab groove 21 is greater than the height of end cover board 32, scraping teeth downwardly extending of scraper blade 4 to the plane that end cover board 32 top surface was located like this when scraper blade 4 removes at prefab template 2 top surface, can release unnecessary concrete from prefab groove 21 both ends for prefab top surface and end cover board 32 top surface looks parallel and level mutually, thereby prefab can be kept apart by prefab groove 21's lateral wall each other, can not adhere each other, conveniently tear the mould open, can realize batch production, improve production efficiency, satisfy the production demand.
Referring to fig. 1 and 13, for facilitating curing of concrete, the curing assembly 8 includes a steam generator 81 disposed at one side of the support frame 1 and a waterfall pipe 82 fixedly mounted at the top of the scraping plate 4, a steam guide branch pipe 83 is mounted at the side of the waterfall pipe 82 corresponding to the prefabricated groove 21, a waterfall nozzle is embedded at one end of the steam guide branch pipe 83 extending into the prefabricated groove 21, and an air inlet port of the waterfall pipe 82 is communicated with an air outlet port of the steam generator 81 through a spring hose 84;
according to the above structure, the steam generator 81 is started to generate hot steam in the concrete solidification process, the steam pipe 82 is supplied through the spring hose 84, and the steam is sprayed on the concrete surface from the steam spraying nozzle of the steam guide branch pipe 83, meanwhile, the speed reducing motor 43 is started to drive the scraping plate 4 and the steam pipe 82 to slide reciprocally on the surface of the prefabricated formwork 2, so that the steam is uniformly sprayed on the concrete surface to carry out steam curing, the moisture on the concrete surface is rapidly evaporated, the internal drying effect is better, the concrete strength is improved, the humidity of the concrete surface is reduced, and the probability of cracking and shrinkage is smaller.
A concrete prefabricated product maintenance integrated production method comprises the following steps:
step one, a positioning pin 54 is rotationally adjusted to be in a horizontal state through a driven gear 56 and a driving gear 57 by a servo motor 55, then a through groove 35 is aligned with the positioning pin 54, a connecting frame 31 is installed on a supporting leg 11, meanwhile, a driving screw 52 of the servo motor 55 is started to shrink, the connecting frame 31 is clamped on the supporting leg 11 by the positioning pin 54, so that an end cover plate 32 is fixed at a port of a prefabricated groove 21, and then a release agent is uniformly smeared in the prefabricated groove 21;
step two, connecting the steel bars 7 in series from the through holes of the limiting sleeve 34 to the inside of the connecting frame 31 and the end cover plate 32, gradually connecting the steel bars 7 in series to the inside of the prefabricated groove 21 until the steel bars 7 penetrate out of the through holes of the limiting sleeve 34 at the other end, adjusting the exposed lengths of the two ends of the steel bars 7 according to the requirement, and then connecting the required steel bars 7 in series in sequence according to the method to realize limiting and fixing of the steel bars 7;
step three, after the steel bars 7 in the step two are connected in series, pouring concrete raw materials into the prefabricated groove 21, wherein half of the tubular linear motors 62 alternately arranged in the vibrating assembly 6 vertically and repeatedly stretch and retract to vibrate the prefabricated formwork 2, so that the concrete raw materials are uniformly distributed in the prefabricated groove 21, and the other half of the tubular linear motors 62 are not started to provide support for the prefabricated formwork 2;
step four, starting a speed reducing motor 43, driving a scraping plate 4 to slide reciprocally on the surface of the prefabricated formwork 2 through a belt 41, and discharging redundant concrete raw materials in the prefabricated groove 21 from two ends of the prefabricated groove;
step five, naturally drying and solidifying the concrete raw material in a proper environment, after the concrete is finally solidified, starting a steam generator 81 to generate hot steam, supplying a spring hose 84 to a waterfall pipe 82, spraying the hot steam from a waterfall nozzle of a steam guide branch pipe 83 onto the concrete surface, simultaneously starting a speed reducing motor 43 to drive a scraping plate 4 and the waterfall pipe 82 to slide back and forth on the surface of a prefabricated formwork 2, uniformly spraying steam onto the concrete surface, curing the concrete, wherein the heating speed and the cooling speed of the steam generator 81 are 10 ℃/h, and the constant-temperature internal temperature of the concrete is 50 ℃;
step six, after the drying and solidification of the prefabricated product are finished, starting the tubular linear motor 62 to vertically stretch and vibrate the prefabricated form 2, so that the prefabricated form 2 can be quickly demolded from the prefabricated product, and simultaneously, the prefabricated form 2 can be pulled downwards to be demolded from the prefabricated product;
and step seven, after demolding the prefabricated product and the prefabricated template 2, starting a servo motor 55 to reversely rotate, extending a screw rod 52 relative to the telescopic sleeve 51, simultaneously pushing the connecting frame 31 outwards by using a circular push plate 58, pulling the end cover plate 32 and two ends of the prefabricated product to demold, then rotating and adjusting a positioning pin 54 to be in a horizontal state, pulling the connecting frame 31 outwards, enabling the positioning pin 54 to pass through the through groove 35, completing the separation of the connecting frame 31, dismantling the prefabricated end plate 3, removing the restriction on the reinforcing steel bars 7, and finally separating the prefabricated products one by one.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (10)
1. The utility model provides a concrete prefabricated product maintenance integration production facility which characterized in that includes:
supporting legs (11) are symmetrically welded at two ends of the supporting frame (1);
the prefabricated template (2) is movably arranged inside the supporting frame (1), and a prefabricated groove (21) is integrally formed on the prefabricated template (2);
the prefabricated end plate (3) comprises a connecting frame (31) movably mounted on the supporting leg (11) and an end cover plate (32) matched with the prefabricated groove (21), wherein the connecting frame (31) is fixedly connected with the end cover plate (32) through a connecting cylinder (33), through holes for passing through reinforcing steel bars (7) are uniformly formed between the connecting frame (31) and the end cover plate (32), and a limit sleeve (34) is fixedly mounted on the outer side face of the connecting frame (31) and matched with the through holes;
the scraping plate (4) is slidably mounted on the prefabricated template (2), scraping teeth on the scraping plate (4) are embedded in the prefabricated groove (21) in a fitting mode, and a driving assembly is arranged between the scraping plate (4) and the supporting frame (1);
the positioning assembly (5) is arranged between the supporting legs (11) and the connecting frame (31) and is used for pushing or fixing the connecting frame (31);
the vibrating assembly (6) is arranged between the bottom surface of the prefabricated template (2) and the supporting frame (1) and is used for vibrating and demolding the prefabricated template (2);
the maintenance assembly (8) comprises a steam generator (81) arranged on one side of the supporting frame (1) and a waterfall steam pipe (82) fixedly arranged at the top of the scraping plate (4), a steam guide branch pipe (83) is arranged on the side surface of the waterfall steam pipe (82) corresponding to the prefabricated groove (21), the steam guide branch pipe (83) extends to one end inside the prefabricated groove (21) and is embedded with a waterfall steam spray nozzle, and an air inlet port of the waterfall steam pipe (82) is communicated with an air outlet port of the steam generator (81) through a spring hose (84);
the method comprises the steps of limiting the position of a reinforcing steel bar (7) through a prefabricated template (2), combining an end cover plate (32) with a prefabricated groove (21) to form a concrete prefabricated mold, scraping off excessive concrete raw materials by using a scraping plate (4) during pouring, limiting the position of a prefabricated end plate (3) through a positioning component (5), demolding after molding, vibrating the uniform concrete raw materials by using a vibrating component (6), and demolding after molding;
in the concrete forming process, a steam generator (81) is started to generate hot steam, the hot steam is supplied to a waterfall steam pipe (82) through a spring hose (84), the hot steam is sprayed on the surface of concrete from a waterfall steam spray head of a steam guide branch pipe (83), meanwhile, a driving assembly is utilized to drive a scraping plate (4) and the waterfall steam pipe (82) to slide back and forth on the surface of a prefabricated formwork (2), and the steam is sprayed on the surface of the concrete to carry out steam curing.
2. The concrete preform curing integrated production device according to claim 1, wherein: after the concrete is finally solidified, the starting time of the maintenance assembly (8) is lower than 10 ℃/h, and the heating speed and the cooling speed of the steam generator (81) are both lower than 10 ℃/h, wherein the constant internal temperature of the concrete is 20-65 ℃.
3. The concrete preform curing integrated production device according to claim 1, wherein: the height of the side wall of the prefabricated groove (21) is larger than that of the end cover plate (32), and scraping teeth of the scraping plate (4) extend downwards to the plane where the top surface of the end cover plate (32) is located.
4. The concrete preform curing integrated production device according to claim 1, wherein: the driving assembly comprises a belt (41) arranged on the top surface of the supporting frame (1) in parallel, a driving roller (42) rotatably mounted on the top surface of the supporting frame (1) and a gear motor (43) fixedly mounted on the top surface of the supporting frame (1), the belt (41) is paved between the two driving rollers (42) on the same side, and the gear motor (43) is in transmission connection with one driving roller (42) through a reducer (44).
5. The concrete preform curing integrated production device according to claim 4, wherein: a transmission connecting shaft (45) for synchronous transmission is arranged between the two groups of parallel driving rollers (42), the transmission connecting shaft (45) is rotationally connected between the supporting frames (1), and two ends of the transmission connecting shaft (45) are in transmission connection with the two groups of driving rollers (42) through belt wheel groups (46).
6. The concrete preform curing integrated production device according to claim 1, wherein: the locating component (5) including rotate install in telescopic tube (51) at supporting leg (11) top, slidable mounting in screw rod (52) and fixed mounting in screw support (53) of supporting leg (11) lateral wall, screw rod (52) threaded connection in screw support (53) are inside, screw rod (52) are kept away from telescopic tube (51) one end fixed welding has locating pin (54) and circular push pedal (58), circular push pedal (58) activity imbed in screw support (53) are inside, link frame (31) both ends with logical groove (35) have been seted up to locating pin (54) assorted symmetry.
7. The concrete preform curing integrated production device according to claim 6, wherein: the support leg (11) top fixed mounting has servo motor (55), servo motor (55) power take off end fixed mounting has driving gear (57), telescopic sleeve (51) keep away from screw rod (52) one end fixed mounting has driven gear (56), driven gear (56) with driving gear (57) mesh mutually.
8. The concrete preform curing integrated production device according to claim 1, wherein: the vibrating assembly (6) comprises a supporting bottom plate (61) fixedly arranged between the bottom surfaces of the supporting frames (1), a tubular linear motor (62) is vertically arranged on the supporting bottom plate (61), and a limit sleeve member (63) is fixedly arranged at the power output end of the tubular linear motor (62);
the utility model discloses a prefabricated template, including prefabricated template (2), prefabricated template, tubular linear electric motor (62), prefabricated template (2) bottom surface fixed mounting has support diaphragm (22), support diaphragm (22) bottom surface integrated into one piece has spacing sleeve (23), tubular linear electric motor's (62) power take off end slide the embedding in inside spacing sleeve (23), spacing external member (63) laminate in the inner wall of spacing sleeve (23), adjacent still be provided with spring damper (64) between tubular linear electric motor (62), spring damper (64) fixed mounting in support diaphragm (22) bottom surface with between supporting baseplate (61) top surface.
9. The concrete preform curing integrated production device according to claim 8, wherein: the support frame (1) is internally and vertically provided with limiting support posts (12), two ends of the support transverse plate (22) are symmetrically provided with limiting sleeves (23) in a matched mode, and the support transverse plate (22) is sleeved between the limiting support posts (12) in a sliding mode through the limiting sleeves (23).
10. A concrete preform curing integrated production method applied to the concrete preform production system as claimed in any one of claims 1 to 9, characterized by comprising the steps of:
step one, a positioning pin (54) is rotationally adjusted to be in a horizontal state through a driven gear (56) and a driving gear (57) by a servo motor (55), then a through groove (35) is aligned with the positioning pin (54), a connecting frame (31) is installed on a supporting leg (11), meanwhile, a driving screw (52) of the servo motor (55) is started to shrink, the connecting frame (31) is clamped on the supporting leg (11) by the positioning pin (54), so that an end cover plate (32) is fixed at a port of a prefabricating groove (21), and then a release agent is uniformly smeared in the prefabricating groove (21);
step two, connecting the steel bars (7) in series from the through holes of the limiting sleeve (34) to the inside of the connecting frame (31) and the end cover plate (32), gradually connecting the steel bars in series to the inside of the prefabricated groove (21) until the steel bars (7) penetrate out of the through holes of the limiting sleeve (34) at the other end, adjusting the exposed lengths of the two ends of the steel bars (7) according to the requirement, and then connecting the required steel bars (7) in series in sequence according to the method to realize limiting and fixing of the steel bars (7);
pouring concrete raw materials into the prefabricated groove (21) after the steel bars (7) in the step two are connected in series, and vertically and repeatedly stretching half of the tubular linear motors (62) alternately arranged in the vibrating assembly (6) to vibrate the prefabricated formwork (2) so that the concrete raw materials are uniformly distributed in the prefabricated groove (21), and the other half of the tubular linear motors (62) are not started to provide support for the prefabricated formwork (2);
step four, starting a speed reducing motor (43), driving a scraping plate (4) to slide back and forth on the surface of the prefabricated template (2) through a belt (41), and discharging redundant concrete raw materials in the prefabricated groove (21) from two ends of the prefabricated groove;
step five, naturally drying and solidifying the concrete raw material in a proper environment, after the concrete is finally solidified, starting a steam generator (81) to generate hot steam, supplying a waterfall steam pipe (82) through a spring hose (84), spraying the hot steam from a waterfall steam nozzle of a steam guide branch pipe (83) on the surface of the concrete, simultaneously starting a speed reducing motor (43) to drive a scraper blade (4) and the waterfall steam pipe (82) to slide back and forth on the surface of a prefabricated template (2), thereby uniformly spraying steam on the surface of the concrete, curing the concrete, wherein the heating speed and the cooling speed of the steam generator (81) are 10 ℃/h, and the constant-temperature internal temperature of the concrete is 50 ℃;
step six, after the drying and solidification of the prefabricated product are finished, starting a tubular linear motor (62) to vertically stretch and vibrate the prefabricated form (2), so that the prefabricated form (2) can be quickly demolded from the prefabricated product, and simultaneously, the prefabricated form (2) can be pulled downwards to be demolded from the prefabricated product;
and seventhly, after demolding the prefabricated product and the prefabricated template (2), starting a servo motor (55) to reversely rotate, stretching a screw rod (52) relative to the telescopic sleeve (51), simultaneously pushing the connecting frame (31) outwards by using a circular push plate (58), pulling the end cover plate (32) to be demolded from the two ends of the prefabricated product, then rotating and adjusting a positioning pin (54) to be in a horizontal state, pulling the connecting frame (31) outwards, enabling the positioning pin (54) to pass through a through groove (35), completing the separation of the connecting frame (31), dismantling the prefabricated end plate (3), removing the restriction on the reinforcing steel bars (7), and finally separating the prefabricated products one by one.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118024400A (en) * | 2024-04-12 | 2024-05-14 | 上海电力建筑工程有限公司 | Forming equipment for reinforced concrete frame member of main transformer firewall frame column |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118024400A (en) * | 2024-04-12 | 2024-05-14 | 上海电力建筑工程有限公司 | Forming equipment for reinforced concrete frame member of main transformer firewall frame column |
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