CN111002451B - Combined type three-dimensional curing kiln concrete member production line and use method thereof - Google Patents
Combined type three-dimensional curing kiln concrete member production line and use method thereof Download PDFInfo
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- CN111002451B CN111002451B CN201911336153.2A CN201911336153A CN111002451B CN 111002451 B CN111002451 B CN 111002451B CN 201911336153 A CN201911336153 A CN 201911336153A CN 111002451 B CN111002451 B CN 111002451B
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- 239000004567 concrete Substances 0.000 title claims abstract description 123
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 75
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- 238000005266 casting Methods 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 18
- 230000009471 action Effects 0.000 claims description 12
- 238000012423 maintenance Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 239000006082 mold release agent Substances 0.000 claims description 4
- 230000009046 primary transport Effects 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- 230000009049 secondary transport Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010422 painting Methods 0.000 claims description 2
- 239000011178 precast concrete Substances 0.000 abstract description 2
- 238000011031 large-scale manufacturing process Methods 0.000 abstract 1
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000010924 continuous production Methods 0.000 description 1
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- 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
- B28B15/00—General arrangement or layout of plant ; Industrial outlines or plant installations
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- 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
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- 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
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C9/00—General arrangement or layout of plant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/02—Belt- or chain-engaging elements
- B65G23/04—Drums, rollers, or wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Abstract
The invention discloses a combined three-dimensional curing kiln concrete component production line, which is characterized in that an empty mould operation area, a pouring vibration operation area and a curing operation area are arranged according to the operation and circulation sequence of a precast concrete component mould in the production process, the empty mould operation area, the pouring vibration operation area and the curing operation area are connected through a mould longitudinal conveying roller way and/or a mould transverse circulating chain conveying device of the empty mould operation area which are arranged oppositely, a plurality of off-line empty mould operation tables for empty mould operation are arranged on the outer side of one side or the outer sides of two sides of the mould longitudinal conveying roller way of the empty mould operation area, and the curing production line is provided with a plurality of three-dimensional curing kilns which are arranged in a combined manner; the invention also discloses a use method of the combined type three-dimensional curing kiln concrete member production line. The invention is suitable for large-scale production.
Description
Technical Field
The invention relates to the technical field of concrete prefabricated part production, in particular to a combined type three-dimensional curing kiln concrete member production line and a use method thereof.
Background
At present, the three-dimensional curing kilns for concrete prefabricated parts mainly have two types: a three-dimensional curing kiln adopting up-and-down movement of a mold in the curing kiln is disclosed, a water seal groove is adopted between the top of the curing kiln and the inside of the curing kiln for sealing so as to prevent hot air in the curing kiln from losing, but water in the water seal groove is heated and evaporated to take away heat, so that the curing cost is increased, the molds in an ascending channel and a descending channel in the kiln are vertically stacked, because a plurality of molds stacked in one channel are large in quantity and the weight of the stacked molds is large, because of the diversity of concrete member products, the weight distribution of the concrete member and the mold cavity structure on a mold chassis is inconsistent, a plurality of hydraulic lifting oil cylinders are used for jacking the upper part of the mold at the bottommost layer to stack the overweight mold, the actions of the plurality of hydraulic lifting oil cylinders cannot be precisely synchronized, the bottom layer mold bears the total weight of the mold above the bottom layer and the concrete member, so that the structural strength of the mold needs to be, equipment and mould cost are high, the energy consumption is big, the mould is out of shape easily, in order to realize the mould and pile up, need set up the strutting arrangement who is used for supporting this mould top mould on the mould, this strutting arrangement's setting makes the effective utilization of mould area reduce, and further increased mould weight, a plurality of stack moulds of overweight are at the in-process that rises and descend, because overweight and produce huge lateral pressure to lateral wall guider, the wearing and tearing of mould and equipment are inevitable, the maintenance work volume of mould and equipment has been increased. In order to resist the increase of dead weight of a mold structure, the input power of a lifting mechanism needs to be increased, the equipment cost and the operation cost are increased, in order to reduce the equipment cost and the operation cost, the input power is reduced in design, the speed of ascending and descending actions is forced to be reduced, the production takt time is long, the production efficiency is low, in addition, as the molds are stacked and placed in a mold ascending channel and a mold descending channel, a transverse moving mechanism is arranged at the top of a kiln, the molds of the mold ascending channel and the mold descending channel need to be fully arranged, the operation can be realized, the molds lack in the kiln can not be operated, when the unsaturated production is carried out, an empty mold needs to be put in to fill the space, the trouble is brought to the production management, and the production and; the other type is that a three-dimensional curing kiln with unmovable moulds inside the curing kiln is adopted in the curing process, a plurality of curing kiln bins of the curing kiln commonly use a stacker crane, because the stacker crane needs to complete a plurality of kiln entering actions of receiving the moulds from the bottom of the curing kiln, transversely moving the moulds, lifting the moulds and sending the moulds into the curing kiln bins step by step or in coordination, or needs to complete a plurality of kiln exiting actions of taking the moulds out of the curing kiln bins, transversely moving the moulds, lowering the moulds and sending the moulds out of the curing kiln step by step or in coordination, the operation takt time of the stacker crane is long, the stacker crane cannot meet the requirements of high-speed production with very large mould feeding quantity and very short operation takt time, has a complex structure and high manufacturing cost, and cannot support continuous production by other equipment after faults.
When various products with different empty mold operation time need to be produced on the same production line, and when the product mold with long empty mold operation processing time in the mold running direction does not complete the empty mold operation, the mold with short empty mold operation time behind the mold can not exceed the mold in front to be transferred to the next operation station, and the mold in front can be transferred to the next operation station after waiting for the mold in front to complete the empty mold operation, which causes waste of production time and limits the production capacity of the production line.
Disclosure of Invention
In order to overcome the technical problem, the invention discloses a combined type three-dimensional curing kiln concrete prefabricated part production line; also discloses a use method of the combined three-dimensional curing kiln concrete member production line.
The technical scheme adopted by the invention for realizing the purpose is as follows:
a combined type three-dimensional curing kiln concrete component production line comprises an empty mould operation area, a pouring operation area and a curing operation area which are arranged according to the operation and circulation sequence of a concrete prefabricated component mould in a production process, wherein the empty mould operation area, the pouring vibration operation area and the curing operation area are connected through a mould longitudinal conveying roller way and/or a mould transverse circulation chain conveying device, a plurality of off-line empty mould operation table positions used for empty mould operation are arranged on the outer side of one side or the outer sides of two sides of the mould longitudinal conveying roller way of the empty mould operation area, a longitudinal rail used for the longitudinal operation of a main vehicle of a combined master-slave carrier is arranged on the inner side of the mould longitudinal conveying roller way beside the off-line operation table positions, a plurality of combined master-slave mould carriers used for transverse conveying the mould are movably arranged on the longitudinal rail, and the mould realizes the matching work of the mould longitudinal conveying roller way and the mould transverse circulation chain conveying device The mold is circulated outside a maintenance operation area, the combined primary and secondary mold carrier helps the mold which cannot complete related empty mold operation on line to enter and exit an offline empty mold operation table position, and the mold completes related empty mold operation operations such as mold removal, mold stripping and component lifting, mold cleaning, mold release agent coating, mold assembly, reinforcement cage installation, embedded part installation, inspection before casting and the like on the mold longitudinal conveying roller way and the offline empty mold operation table position in the empty mold operation area.
The pouring operation area comprises a concrete mixer arranged near the pouring points, an automatic concrete conveying hopper which is arranged above the pouring points and can run between the lower part of a hopper under the concrete mixer and the pouring points, and a concrete distributor which is arranged below the height of a discharge door of the automatic concrete conveying hopper and above the mould on the pouring points, wherein the concrete mixer is higher than the automatic concrete conveying hopper, an overhead concrete conveying track is arranged between the concrete mixer and the pouring points for the automatic concrete conveying hopper to travel, when more than one pouring point is adopted, the concrete mixer is arranged near the center line of a certain track of the overhead concrete conveying channel which can cover the upper parts of the pouring points, when more than one pouring vibration point is adopted, the pouring vibration points are arranged in parallel, the mould transverse circulating chain conveying device can be arranged in front of different vibration points to distribute and convey the moulds to different casting vibration points, the mould transverse circulating chain conveying device is arranged behind the different casting vibration points to collect the moulds from the different casting vibration points, and the moulds run along the mould longitudinal conveying roller way to reach the casting operation area and directly reach or reach a certain casting point under the support of the mould transverse circulating chain conveying device to perform concrete casting operation.
The curing operation area comprises a plurality of three-dimensional curing kiln units which are arranged in series or in parallel after series, any one group of three-dimensional curing kiln units comprises a mold conveying channel at the bottom of the three-dimensional curing kiln, a mold ascending channel and a mold descending channel are arranged in any one group of three-dimensional curing kiln units, mold lifting power devices and mold supporting devices are arranged in the mold ascending channel and the mold descending channel, heating devices are arranged in the mold ascending channel and the mold descending channel, mold transverse moving devices are arranged at the upper parts of the mold ascending channel and the mold descending channel, molds enter the mold ascending channels of one group of three-dimensional curing kiln units from the outside of the three-dimensional curing kiln, and under the matching work of the mold lifting power devices and the mold supporting devices in the mold ascending channel, the concrete pouring mould is gradually lifted along the mould lifting channel, then is translated to the mould descending channel by the mould transverse moving device, is gradually lowered under the matching work of the mould lifting power device and the mould supporting device in the mould descending channel, reaches the bottommost height in the mould descending channel, is discharged out of the three-dimensional curing kiln along a mould conveying channel at the bottom of the three-dimensional curing kiln, forms a vertical temperature gradient along the height direction of the three-dimensional curing kiln unit in the three-dimensional curing kiln unit by the heating device, obtains a temperature change environment required by heating and curing concrete, is subjected to temperature rise, constant temperature and temperature reduction in the lifting, transverse moving and descending processes of the mould in the three-dimensional curing kiln unit, completes the heating and curing process along with the circulation of the mould in the three-dimensional curing kiln unit, and achieves the demoulding strength, and finally, taking out the concrete member from the kiln and conveying the concrete member to the empty mold operation area for mold stripping and demolding operation to obtain a finished concrete member.
The above process is repeated, and the production line continuously produces the precast concrete component.
The invention has the beneficial effects that: the invention has reasonable and ingenious design, is provided with independent off-line empty mould operating tables, can simultaneously produce concrete prefabricated parts with inconsistent empty mould operation processing time on the same production line, adopts a master car to be matched with a master-slave combined mould carrier of a plurality of slave cars to carry out the transportation of the mould between the mould longitudinal conveying channel and the off-line empty mould operating table, and the mould is driven by a power roller during the longitudinal operation without using the mould carrier, thereby reducing the using time of the mould carrier in the production process, shortening the production beat, reducing the mould accommodating quantity in each curing kiln unit, reducing the requirement on mould lifting equipment in the kiln, reducing the difficulty of equipment installation and maintenance, arranging a plurality of curing kiln units in a combined way to improve the mould accommodating quantity of the production line, adopting unit type discrete equipment to carry out mould circulation without adopting single large-scale equipment to carry out mould circulation, the problem library of stopping production of the whole production line caused by faults of individual large-scale key equipment is avoided, the problems that the traditional process cannot efficiently and simultaneously produce concrete prefabricated parts with large empty mold operation time difference and large concrete curing system difference of various products are solved, for the mode of mold stacking in a three-dimensional curing kiln, the mold of the invention independently ascends and descends in the three-dimensional curing kiln, the design strength of the mold is not required to be increased for mold stacking, the mold is not required to be provided with a supporting device, the effective utilization rate of the mold area is increased, the self weight of the mold is reduced, a water seal groove is omitted by a kiln top mold transverse moving device, the curing heat is prevented from being taken away by water evaporation, the curing energy consumption is reduced, for the three-dimensional curing kiln with the unmovable mold in the curing kiln in the curing process, the operation beat time of the invention is short, the mold accommodating quantity is large, the production cost is reduced, the production line has the advantages of small occupied production field area, good reliability and continuity of the production line, short production takt time of the production line, high production efficiency and suitability for large-scale low-cost production.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic top view of a functional partition of a production line according to the present invention;
FIG. 2 is a schematic top view of the equipment layout of the production line of the present invention without molds being dropped;
FIG. 3 is a schematic top view of the distribution and flow of molds in a production line according to the present invention;
FIG. 4 is a longitudinal section schematic view of a longitudinal roller conveyor of a mold in an on-line empty mold operation according to the present invention;
FIG. 5 is a schematic longitudinal sectional view of an off-line empty mold station according to the present invention;
FIG. 6 is a schematic longitudinal sectional view showing the position of the three-dimensional curing kiln according to the present invention;
FIG. 7 is a schematic cross-sectional view of the position of the three-dimensional curing kiln of the present invention;
FIG. 8 is a schematic cross-sectional view of a traversing apparatus according to the invention;
FIG. 9 is a schematic top view of the combination parent-child cart of the present invention;
FIG. 10 is a cross-sectional view of the combined transporting vehicle.
Detailed Description
Example (b): referring to fig. 1, the combined type three-dimensional curing kiln concrete prefabricated part production line provided by the embodiment includes an empty mold operation area 31, a pouring operation area 32 and a curing operation area 33 which are arranged according to the running and circulating order of a concrete prefabricated part mold (hereinafter referred to as a mold) 4 in a production process, when a production line system drives the mold 4 to circulate to the empty mold operation area 31, the mold 4 performs corresponding empty mold operation operations such as mold removal, mold stripping, mold cleaning, mold reassembly, mold release agent coating, reinforcement cage installation, pre-embedded part installation, pre-pouring inspection and the like, when the production line system drives the mold 4 to circulate to the pouring operation area 32, the mold 4 performs corresponding concrete pouring operation, and when the production line system drives the mold 4 to circulate to the curing operation area 33, the mold 4 performs corresponding heating and curing operation, a plurality of said molds 4 are placed in said respective zones of the production line and are repeatedly circulated in the respective zones of the production line in sequence along the above-mentioned circulation sequence, thereby continuously producing the concrete precast elements.
Referring to fig. 1 to 8, in the combined type three-dimensional curing kiln concrete prefabricated part production line provided by this embodiment, the empty mold operation area 31, the pouring operation area 32 and the curing operation area 33 are connected by a mold longitudinal conveying roller 34 and/or a mold transverse circulating chain conveying device 11, the mold longitudinal conveying roller 34 includes longitudinal mold conveying rollers 8 arranged oppositely, the longitudinal mold conveying rollers 8 rotate to longitudinally convey the mold 4 on the tread of the longitudinal mold conveying rollers 8, the mold longitudinal conveying roller 34 and the mold transverse circulating chain conveying device 11 are staggered with each other, when the mold 4 longitudinally moves along the mold longitudinal conveying roller 34 to the range of the mold transverse circulating chain conveying device 11, the mold 4 can move in the transverse direction under the action of the mold transverse circulating chain conveying device 11, the mold transverse circulating chain conveying device 11 comprises a liftable rack 50, a driving wheel 51 and a driven wheel 52 are arranged at two ends of the rack 50, a closed circulating chain 53 is arranged around the driving wheel 51, the driven wheel 52 and the rack 50, the driving wheel 51 is connected with a chain driving power output device 54, when the mold 4 needs to move transversely, the mold 4 longitudinally moves above the mold transverse circulating chain conveying device 11 along a mold longitudinal conveying roller way 34, under the driving of a circulating chain lifting device 56, the circulating chain 53 and a mold supporting seat 55 arranged on the circulating chain 53 are lifted along with the liftable rack 50, after the mold 4 leaves a tread of a longitudinal mold conveying roller 8, the chain driving wheel 51 is driven by the chain driving power output device 54 to rotate, and the closed circulating chain 53 is driven to circularly operate around the driving wheel 51 and the driven wheel 52 to drive the mold supporting seat 55 to move, the mold 4 dropped onto the mold support 55 of the mold transverse circulation chain conveyor 11 can be transversely transferred along with the mold support 55, and the longitudinal mold conveying roller way 34 and the mold transverse circulation chain conveyor 11 cooperate to move the mold 4 longitudinally or transversely, so that the mold 4 can be conveyed to each working position to which it needs to be conveyed.
Referring to fig. 2 to 10, in the concrete prefabricated part production line of the combined three-dimensional curing kiln according to the embodiment, a longitudinal rail 21 is disposed in the mold longitudinal roller conveyor 34 of the empty mold operation area 31, and the combined primary and secondary truck 20 is movably mounted on the longitudinal rail 21. The combined primary and secondary truck 20 includes a primary truck 22 and two or more secondary trucks 23 carried by the primary truck 22. Two or more groups of mother vehicle transverse rails 24 are arranged on the mother vehicle 22, the mother vehicle is movably arranged on the longitudinal rails 21 through a plurality of longitudinal walking wheels 29, and the child vehicle 23 is movably arranged on the mother vehicle transverse rails 24 through a plurality of transverse walking wheels 30. The sub-carriage 23 is provided with a mold support table 28, and is driven to move up and down by a mold support table driving device 25 provided on the sub-carriage, and the sub-carriage 23 can raise or lower the mold 4 located above the sub-carriage.
Referring to fig. 2 to 10, the present embodiment provides a concrete prefabricated part production line of a combined three-dimensional curing kiln, a plurality of off-line empty mold operation tables 26 for empty mold operation are arranged at the outer side of one side or the outer sides of two sides of the mold longitudinal conveying roller way 34 of the empty mold operation area 31, two end bearing platforms 45 are arranged in the off-line hollow mold operating platform 26, a plurality of groups of off-line hollow mold operating platform inner transverse conveying rails 27 are arranged in the off-line hollow mold operating platform 26 corresponding to the primary vehicle transverse rails 24 of the combined primary and secondary transport vehicles 20, each group of off-line hollow mold operating platform inner transverse conveying rails consists of two parallel rails, a middle bearing platform 46 for supporting the mold 4 is arranged between every two groups of off-line hollow mold operating platform inner transverse conveying rails 27, the end bells 45 and the intermediate bells 46 will together support the mould 4 for off-line empty-mould operation in the off-line empty-mould station 26.
When the primary vehicle 22 carries the secondary vehicle 23 and stops at a proper position beside the off-line empty mold operating platform 26, the primary vehicle transverse rail 24 of the primary vehicle 22 is in butt joint with the off-line empty mold operating platform inner transverse conveying rail 27, and the secondary vehicle 23 can reciprocate along the primary vehicle transverse rail 24 and the off-line empty mold operating platform inner transverse conveying rail 27 to convey the mold 4 from the mold longitudinal conveying roller way 34 into the off-line empty mold operating platform 26 or convey the mold 4 from the off-line empty mold operating platform 26 into the mold longitudinal conveying roller way 34.
In the empty mold operation area 31, the time for the empty mold operation of a certain mold 4 is short, the relevant empty mold operation can be completed in the process that the mold 4 longitudinally moves along the mold longitudinal conveying roller way 34 of the empty mold operation area 31, the empty mold operation will be completed in the process that the mold 4 longitudinally moves along the mold longitudinal conveying roller way 34 of the empty mold operation area 31, when the relevant empty mold operation of a certain mold 4 requiring a long time empty mold operation cannot be completed in the process that the mold 4 longitudinally moves along the mold longitudinal conveying roller way 34 of the empty mold operation area 31, and the mold 4 will be stopped beside a certain idle off-line empty mold operation table 26 when the mold 4 requiring only a short time empty mold operation behind the mold 4 is to be prevented from moving forward, the master car 22 of the combined master-slave truck 20 carries the slave car 23 to travel along the longitudinal rail 21, stops at a proper position beside the off-line empty mold operating table 26 corresponding to the position of the mold 4 to be transversely transferred to carry the mold 4 positioned in the longitudinal mold conveying roller table 34, causes the master car transverse rail 24 to be in butt joint with the off-line empty mold operating table inner transverse conveying rail 27, causes the mold support table driving device 25 on the slave car 23 to drive the mold support table 28 to ascend, lifts the mold 4 positioned above the slave car 23, leaves the longitudinal mold conveying roller 8 at the bottom of the mold, causes the plurality of slave cars 23 carried by the master car 22 to synchronously run, moves along the master car transverse rail 24 and the off-line empty mold operating table inner transverse conveying rail 27 to a proper position of the off-line empty mold operating table 26 and stops, the mold support table driving device 25 on the sub-cart 23 drives the mold support table 28 to descend, the mold 4 located above the sub-cart 23 is placed at a suitable position on the off-line empty mold operating table 26, and the mold 4 continues to complete the empty mold operation required by the mold 4 on the off-line empty mold operating table 26. Since the mold 4 is separated from the longitudinal mold conveying path 34, it does not interfere with the normal operation of the mold following it, which only requires a short time for mold-empty operation, in the longitudinal mold conveying path 34.
When the mold 4 on the off-line empty mold operating platform 26 is empty, the primary car 22 of the combined primary and secondary truck 20 carries the secondary car 23 and travels along the longitudinal rails 21, arrives at a proper position beside the off-line empty mold operating platform 26 and stops, the primary car transverse rails 24 and the off-line empty mold operating platform inner transverse conveying rails 27 are in butt joint, the secondary car 23 carried by the primary car 22 moves along the primary car transverse rails 24 and the off-line empty mold operating platform inner transverse conveying rails 27 to a proper position below the mold 4 in the off-line empty mold operating platform 26 and stops, the mold support platform driving device 25 on the secondary car 23 drives the mold support platform 28 to ascend, the mold 4 above the secondary car 23 is ascended, then a plurality of secondary cars 23 synchronously run and transversely move along the off-line empty mold operating platform inner transverse rails 27 and primary car transverse rails 24, the mold 4 is transported out of the off-line empty mold operating table 26, and the longitudinal mold transporting roller wheels 8 of the longitudinal mold transporting roller way 34 and the longitudinal mold transporting roller way 34, which are thrown into the empty mold operating area 31, operate to transport the mold 4 to the next operating area.
The longitudinal mould conveying roller way 34 and the combined primary and secondary carrier 20 work in a coordinated mode, the problem that the running efficiency of the mould is reduced due to the fact that the operation time of different mould empty moulds on a concrete prefabricated part production line is different is solved, and production efficiency is improved.
Due to the arrangement of the longitudinal mold conveying roller 8, when the mold 4 is longitudinally moved, the combined primary and secondary truck 20 does not participate in the work of longitudinally moving the mold 4 and does not participate in sharing the gravity of the mold 4, so that the load of the combined primary and secondary truck 20 is reduced, and the energy consumption is reduced.
Referring to fig. 3 to 5, the combined type three-dimensional curing kiln concrete prefabricated part production line provided by the embodiment comprises a concrete mixer 70 arranged in the pouring operation area 32, an automatic concrete conveying hopper 71 arranged above the pouring point and capable of running between the lower part of the hopper of the concrete mixer 70 and the pouring point, a concrete distributor 72 arranged below the height of the lower door of the automatic concrete conveying hopper 71 and above the mould 4 on the pouring point, wherein the concrete mixer 70 is higher than the automatic concrete conveying hopper 71, an overhead concrete conveying track 73 is arranged between the concrete mixer 70 and the pouring point for the automatic concrete conveying hopper 71 to run, the automatic concrete conveying hopper 71 receives the mixed concrete from the lower part of the concrete mixer 70, running along the overhead concrete conveying track 73 to the position above the concrete distributor 72, and feeding concrete to the concrete distributor 72, where the concrete distributor 72 pours concrete to the mould 4 located below, when there is more than one pouring point, the pouring points are arranged in parallel, and a plurality of the pouring points can be preceded by the mould transverse circulation chain conveying device 11 to distribute and convey the mould 4 to different pouring points, when more than one pouring point is adopted, the concrete mixer 70 is arranged near the track central line of some overhead concrete conveying channel which can cover the pouring points, the mould 4 runs along the mould longitudinal conveying roller way 34 to the pouring operation area, and directly reaches or reaches a certain pouring point under the support of the mould transverse circulation chain conveying device 11, and (3) performing concrete pouring operation, arranging the mold transverse circulating chain conveying device 11 behind a plurality of pouring points, and collecting the molds 4 from different pouring points onto the mold longitudinal conveying roller way 34 for conveying the molds to a maintenance operation area.
Referring to fig. 2 to 7, in the production line of a combined type three-dimensional curing kiln concrete prefabricated part provided in this embodiment, the curing operation area 33 includes a plurality of three-dimensional curing kiln units 1 arranged in series or in parallel after series, any one group of the three-dimensional curing kiln units 1 includes a mold conveying channel at the bottom of the three-dimensional curing kiln, a mold ascending channel 2 and a mold descending channel 3 are respectively arranged inside any one group of the three-dimensional curing kiln units 1, a mold ascending power device 6 and a mold supporting device 7 are respectively arranged inside the mold ascending channel 2 and the mold descending channel 3, a heating device 42 is arranged inside the mold ascending channel 2 and the mold descending channel 3, a mold traversing device 45 is arranged on the upper portion of the mold ascending channel 2 and the mold descending channel 3, and the mold 4 which is poured with concrete outside the three-dimensional curing kiln is conveyed from the mold at the bottom of the three-dimensional curing kiln The mold lifting power device 6 and the mold supporting device 7 of the mold lifting channel 2 cooperate to lift the molds 4 independently and sequentially layer by layer, when the molds 4 are lifted up step by step to reach the height of the top layer of the mold lifting channel 2 of the three-dimensional curing kiln unit 1, the mold traversing device 45 positioned at the upper part of the three-dimensional curing kiln unit 1 acts to horizontally move the molds 4 at the top layer of the mold lifting channel 2 to the upper part of the mold descending channel 3 of the three-dimensional curing kiln unit 1, and the mold lifting power device 6 and the mold supporting device 7 in the mold descending channel 3 cooperate to lower the molds 4 positioned at the upper part of the mold descending channel 3 independently and sequentially layer by layer, when the molds 4 are gradually lowered to the bottom level of the mold lowering path 3 of the three-dimensional curing kiln unit 1, the molds 4 are sent out from the mold conveying path at the bottom of the three-dimensional curing kiln and leave the three-dimensional curing kiln. The heating device 42 arranged in the mould ascending channel 2 and the mould descending channel 3 of the three-dimensional curing kiln supplies heat to the three-dimensional curing kiln unit 1 under the control of the temperature detection control system, a temperature vertical distribution gradient along the height direction of the three-dimensional curing kiln unit 1 is formed in the three-dimensional curing kiln unit 1, the temperature at the lower part of the three-dimensional curing kiln unit 1 is lower, the temperature at the upper part of the three-dimensional curing kiln unit 1 is higher, the mould 4 which is poured with concrete moves along the mould ascending channel 2 and the mould descending channel 3 in the three-dimensional curing kiln unit 1, and is subjected to temperature rise, constant temperature and temperature reduction in the processes of ascending, horizontal movement and descending, and finally the concrete in the mould 4 reaches the demoulding strength and is conveyed out of the kiln through the mould conveying channel at the bottom of the three-dimensional curing kiln to wait for demoulding to obtain a finished concrete prefabricated component, and if the vertical kiln bottom heat preservation door is used, the vertical kiln bottom heat preservation door is opened and closed in time when the mold enters and exits the three-dimensional curing kiln, so as to further save energy. The curing procedure specified according to the preset procedure is completed in the process that the molds independently rotate and pass through the mold running channel in the three-dimensional curing kiln. The preheating curing kiln and the formal curing kiln can be arranged as required to respectively preheat and formally heat and cure the concrete.
The embodiment also provides a use method of the combined three-dimensional curing kiln concrete member production line, which comprises the following steps:
firstly, in the empty mold operation area 31, the mold 4 performs corresponding empty mold operation operations such as mold removal, mold release, mold cleaning, mold reassembling, mold release agent painting, reinforcement cage installation, embedded part installation, pre-pouring inspection and the like in the circulation process, if the empty mold operation time required by a certain mold 4 is short, all empty mold operation operations can be completed in the process that the mold 4 longitudinally runs along the mold longitudinal conveying roller way 34 of the empty mold operation area 31, the mold 4 does not need to leave the mold longitudinal conveying roller way 34, the related empty mold operation operations are completed on line when the mold 4 passes through the mold longitudinal conveying roller way 34 of the empty mold operation area 31, and if the empty mold operation time required by a certain mold 4 is long, the longitudinal running of the mold 4 along the mold longitudinal conveying roller way 34 of the empty mold operation area 31 cannot be performed on the mold 4 When all the blank mold operation operations are completed in the process, the mold 4 is moved away from the mold longitudinal conveying roller way 34 of the blank mold operation area 31 by the combined primary and secondary transport vehicle 20, and is thrown into a certain offline blank mold operation table 26 to perform a corresponding blank mold operation for a long time, after the corresponding blank mold operation of the mold 4 is completed, the combined primary and secondary transport vehicle 20 moves the mold 4 away from the offline blank mold operation table 26, and is thrown back to the mold longitudinal conveying roller way 34 of the blank mold operation area 31, and the mold 4 which has completed all the blank mold operation operations is conveyed to the pouring operation area 32.
Secondly, the concrete prepared by the concrete mixer 70 is put into the automatic concrete conveying hopper 71, the automatic concrete conveying hopper 71 travels along the overhead concrete conveying track 73 to be above the concrete distributor 72, the concrete is put into the concrete distributor 72, the concrete distributor 72 pours the concrete into the mold 4 located below the concrete distributor, when there is more than one casting point, the mold 4 is distributed to the proper casting point by the mold transverse circulation chain conveying device 11 before the casting point for casting operation, after the casting operation is completed, the mold 4 is collected onto the mold longitudinal conveying roller way 34 ready for conveying the mold to the maintenance operation area by the mold transverse circulation chain conveying device 11 after the casting point, and the longitudinal mold conveying roller 8 of the mold longitudinal conveying roller way 34 works, the mold 4 is transported to the maintenance work area 33.
Step three, the mold 4 which has finished the concrete pouring operation runs to the lower part of the mold ascending channel 2 of a certain three-dimensional curing kiln unit 1 in the curing operation area 33 along the mold conveying channel at the bottom of the three-dimensional curing kiln under the action of the longitudinal mold conveying rollers 8, the mold lifting power device 6 and the mold supporting device 7 in the mold ascending channel 2 cooperate to enable the mold 4 to be lifted independently and sequentially layer by layer, when the mold 4 is lifted step by step to reach the height of the top layer of the mold ascending channel 2 of the three-dimensional curing kiln unit 1, the mold traversing device 45 positioned at the upper part of the three-dimensional curing kiln unit 1 acts to horizontally move the mold 4 at the top layer of the mold ascending channel 2 to the upper part of the mold descending channel 3 of the three-dimensional curing kiln unit 1, and the mold lifting power device 6 and the mold supporting device 7 in the mold descending channel 3 cooperate to act The molds 4 positioned at the upper part of the mold descending channel 3 are independently and sequentially descended layer by layer, and when the molds 4 are gradually descended to reach the bottom layer height of the mold descending channel 3 of the three-dimensional curing kiln unit 1, the molds 4 are sent out from the three-dimensional curing kiln along the mold conveying channel at the bottom of the three-dimensional curing kiln under the action of the longitudinal mold conveying rollers 8. The heating device 42 arranged in the mould ascending channel 2 and the mould descending channel 3 of the three-dimensional curing kiln supplies heat to the three-dimensional curing kiln unit 1 under the control of the temperature detection control system, a temperature vertical distribution gradient along the height direction of the three-dimensional curing kiln unit 1 is formed in the three-dimensional curing kiln unit 1, the temperature at the lower part of the three-dimensional curing kiln unit 1 is lower, the temperature at the upper part of the three-dimensional curing kiln unit 1 is higher, the mould 4 which is poured with concrete moves along the mould ascending channel 2 and the mould descending channel 3 in the three-dimensional curing kiln unit 1, and is subjected to temperature rise, constant temperature and temperature reduction in the processes of ascending, horizontal movement and descending, and finally the concrete in the mould 4 reaches the demoulding strength and is conveyed out of the kiln through the mould conveying channel at the bottom of the three-dimensional curing kiln to wait for demoulding to obtain a finished concrete prefabricated component, and if the vertical kiln bottom heat preservation door is used, the vertical kiln bottom heat preservation door is opened and closed in time when the mold enters and exits the three-dimensional curing kiln, so as to further save energy. The curing procedure specified according to the preset procedure is completed in the process that the molds independently rotate and pass through the mold running channel in the three-dimensional curing kiln. The static preheating curing kiln and the formal curing kiln can be arranged as required to respectively carry out static preheating and formal heating curing on the concrete.
Step four, the die 4 which has finished the maintenance operation runs onto the die transverse circulating chain conveying device 11 under the action of the longitudinal die conveying roller 8, under the drive of the circulating chain lifting device 56, the circulating chain 53 and the die supporting seat 55 arranged on the circulating chain 53 are lifted along with the liftable rack 50, after the die 4 leaves the tread of the longitudinal die conveying roller 8, the chain driving power output device 54 drives the driving wheel 51 to rotate, drives the closed circulating chain 53 to circularly rotate around the driving wheel 51 and the driven wheel 52 to drive the mold supporting seat 55 to move, and the mold 4 falling onto the mold supporting seat 55 of the mold transverse circulating chain conveying device 11 is transversely transferred along with the mold supporting seat 55 and moves to the mold longitudinal conveying roller way 34 in the empty mold operation area 31.
And step five, starting a next new work cycle of the mold 4 in the empty mold operation area 31.
The above steps are repeated, thereby continuously producing the concrete prefabricated part.
The invention has reasonable and ingenious design, is provided with independent off-line empty mould operating platforms, can simultaneously produce concrete prefabricated parts with inconsistent empty mould operation processing time on the same production line, adopts a master car to be matched with a master-slave combined mould carrier of a plurality of slave cars to carry out the transportation of the mould between the mould longitudinal conveying channel and the off-line empty mould operating platform, and the mould is driven by a power roller during the longitudinal operation without using the mould carrier to carry the mould longitudinally, thereby reducing the use time of the mould carrier during the production process during the longitudinal running, shortening the production takt time, reducing the mould accommodating quantity in each curing kiln unit, increasing the mould accommodating quantity of the system by combining a plurality of curing kiln units, reducing the requirement on mould lifting equipment in the kiln, reducing the difficulty of equipment installation and maintenance, and being capable of arranging a plurality of curing kiln units in a combined way to improve the mould accommodating quantity of the production line, the method has the advantages that the unit discrete equipment is adopted to implement mold circulation instead of single large-scale equipment, the problem library that the whole production line stops production due to faults of individual large-scale key equipment is avoided, the problems that the traditional process cannot efficiently and simultaneously produce the concrete prefabricated parts with large empty mold operation time difference and large concrete curing system difference of various products are solved, the production cost is reduced, the occupied production field area is small, the reliability and the continuity of the production line are good, the production takt time of the production line is short, the production efficiency is high, and the method is suitable for large-scale low-cost production.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Those skilled in the art can make many possible variations and modifications to the invention using the above disclosed technical means and teachings, or can modify equivalent embodiments with equivalent variations, without departing from the scope of the invention. Therefore, all equivalent changes made according to the shape, structure and principle of the present invention should be covered by the protection scope of the present invention without departing from the contents of the technical scheme of the present invention.
Claims (6)
1. A combined type three-dimensional curing kiln concrete member production line is characterized by comprising an empty mold operation area, a pouring operation area and a curing operation area, wherein the empty mold operation area, the pouring operation area and the curing operation area are connected through a mold longitudinal conveying roller way and/or a mold transverse circulating chain conveying device;
the curing device comprises a plurality of three-dimensional curing kiln units which are arranged in the curing operation area and are arranged in series or in parallel or are arranged in parallel after being connected in series, wherein any one group of three-dimensional curing kiln units comprises a mold conveying channel at the bottom of the three-dimensional curing kiln, a mold lifting channel and a mold descending channel are arranged in any one group of three-dimensional curing kiln units, mold lifting power devices and mold supporting devices are arranged in the mold lifting channel and the mold descending channel, the molds are lifted independently in the mold lifting channel under the matching action of the mold lifting power devices and the mold supporting devices, and the molds are descended independently in the mold descending channel;
a longitudinal rail is arranged in the longitudinal die conveying roller way of the empty die operation area, and a combined primary and secondary carrier is movably arranged on the longitudinal rail;
one side or two sides of a mold longitudinal conveying roller way of the empty mold operation area are provided with a plurality of off-line empty mold operation tables for empty mold operation, two end bearing tables are arranged in the off-line empty mold operation tables, a plurality of groups of off-line empty mold operation table inner transverse conveying rails are arranged in the off-line empty mold operation tables corresponding to the primary vehicle transverse rails of the combined primary and secondary transport vehicles, each group of off-line empty mold operation table inner transverse conveying rails are composed of two parallel rails, an intermediate bearing table for supporting the mold is arranged between every two groups of off-line empty mold operation tables, and the end bearing tables and the intermediate bearing table jointly support the mold in the off-line empty mold operation tables for off-line empty mold operation.
2. The combined three-dimensional curing kiln concrete component production line as claimed in claim 1, wherein the mold transverse circulation chain conveying device comprises a liftable frame, driving wheels and driven wheels are arranged at two ends of the frame, closed circulation chains are arranged around the driving wheels, the driven wheels and the frame, the driving wheels are connected with a chain driving power output device, when the mold is required to move transversely, the mold moves longitudinally along a mold longitudinal conveying roller way to the position above the mold transverse circulation chain conveying device, the circulation chains and mold supporting seats arranged on the circulation chains are lifted along the liftable frame under the driving of a circulation chain lifting device, and after the mold leaves a tread of a longitudinal mold conveying roller, the chain driving power output device drives the driving wheels to rotate to drive the closed circulation chains to circularly move around the driving wheels and the driven wheels, the mould supporting seat is driven to move, and the mould falling on the mould supporting seat of the mould transverse circulating chain conveying device can be transversely transferred along with the mould supporting seat.
3. The combined type stereo curing kiln concrete member production line according to claim 1 or 2, wherein the combined master-slave truck includes a master truck and two or more sub-trucks carried by the master truck; the primary vehicle is provided with two or more groups of primary vehicle transverse rails, the primary vehicle is movably arranged on the longitudinal rails through a plurality of longitudinal walking wheels, and the secondary vehicle is movably arranged on the primary vehicle transverse rails through a plurality of transverse walking wheels; the sub-trolley is provided with a mould supporting table, the mould supporting table driving device arranged on the sub-trolley is used for driving the sub-trolley to move up and down, and the mould above the sub-trolley is lifted or lowered.
4. The combined type three-dimensional curing kiln concrete member production line according to claim 3, comprising a concrete mixer provided in the casting work area, an automatic concrete conveying hopper provided above a casting point and running between a lower position of the concrete mixer and the casting point, and a concrete distributor provided above the mold on the casting point below a lower gate height of the automatic concrete conveying hopper, wherein the concrete mixer is higher than the automatic concrete conveying hopper, and an overhead concrete conveying track is provided between the concrete mixer and the casting point for the automatic concrete conveying hopper to travel.
5. The combined vertical curing kiln concrete member production line as set forth in claim 4, wherein heating means are provided in the mold ascending tunnel and the mold descending tunnel, and mold traverse means are provided on upper portions of the mold ascending tunnel and the mold descending tunnel.
6. The use method of the combined three-dimensional curing kiln concrete member production line according to claim 5, comprising the steps of:
step one, in the empty mold operation area, the mold performs corresponding empty mold operation operations of mold removal, mold release, mold cleaning, mold reassembling, mold release agent painting, reinforcement cage installation, embedded part installation and inspection before casting in the circulation process, after the corresponding empty mold operation of the mold is completed, the combined master-slave carrying handle carries the mold away from the offline empty mold operation table, the mold is put back to the mold longitudinal conveying roller way of the empty mold operation area, and the mold which has completed all the empty mold operation operations is sent to the casting operation area;
secondly, the concrete prepared by the concrete mixer is thrown into the automatic concrete conveying hopper, the automatic concrete conveying hopper moves above the concrete spreader along an overhead concrete conveying track, the concrete is thrown into the concrete spreader, the concrete spreader pours the concrete into the mould below the automatic concrete conveying hopper, and after the pouring operation is finished, the mould is collected onto a mould longitudinal conveying roller way of a conveying mould to be conveyed to a maintenance operation area by the mould transverse circulating chain conveying device behind a pouring point, and the mould is conveyed to the maintenance operation area;
step three, the moulds which have finished concrete pouring operation run to the lower part of the mould lifting channel of one three-dimensional curing kiln unit in the curing operation area along the mould conveying channel at the bottom of the three-dimensional curing kiln under the action of the longitudinal mould conveying rollers, the mould lifting power device and the mould supporting device in the mould lifting channel cooperate to enable the moulds to be lifted independently and sequentially layer by layer, when the moulds are lifted step by step to reach the height of the top layer of the mould lifting channel of the three-dimensional curing kiln unit, the mould transverse moving device positioned at the upper part of the three-dimensional curing kiln unit acts to horizontally move the moulds at the top layer of the mould lifting channel to the upper part of the mould lowering channel of the three-dimensional curing kiln unit, and the mould lifting power device and the mould supporting device in the mould lowering channel cooperate, enabling the molds positioned at the upper part of the mold descending channel to independently descend layer by layer in sequence, and when the molds descend step by step to reach the bottom layer height of the mold descending channel of the three-dimensional curing kiln unit, the molds are sent out from the three-dimensional curing kiln along the mold conveying channel at the bottom of the three-dimensional curing kiln under the action of the longitudinal mold conveying rollers; heating devices arranged in the mould ascending channel and the mould descending channel of the three-dimensional curing kiln supply heat to the three-dimensional curing kiln unit under the control of the temperature detection control system;
the mold which is subjected to maintenance operation runs onto the mold transverse circulating chain conveying device under the action of the longitudinal mold conveying roller wheel, and the mold falling onto the mold supporting seat of the mold transverse circulating chain conveying device is transversely transferred along with the mold supporting seat under the driving of the circulating chain lifting device after the mold leaves the tread of the longitudinal mold conveying roller wheel and runs to the mold longitudinal conveying roller way in the empty mold operation area;
step five, demolding the mold which is subjected to maintenance operation in the empty mold operation area to obtain a concrete prefabricated part;
the above steps are repeated, thereby continuously producing the concrete prefabricated part.
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| CN112936556B (en) * | 2021-01-29 | 2022-08-05 | 佳构建筑产业化(深圳)有限公司 | Production method of prefabricated part |
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| JPS52483B2 (en) * | 1972-01-11 | 1977-01-08 | ||
| JPS5842154B2 (en) * | 1980-09-11 | 1983-09-17 | 修 大塚 | Concrete molded product curing section loading/unloading device |
| CN2419024Y (en) * | 2000-05-01 | 2001-02-14 | 陈芳芳 | Moveable assembled kiln |
| CN100526039C (en) * | 2004-05-11 | 2009-08-12 | 西安银马实业发展有限公司 | Fully automatic jproduction line for building block of heat retaining building mould for polyphenylene concrete |
| US8033079B2 (en) * | 2007-03-29 | 2011-10-11 | FloorazzoTile, LLC | Method of manufacturing terrazzo tiles, terrazzo tiles and flooring system assembled with terrazzo tiles |
| CN101780687B (en) * | 2009-01-21 | 2011-11-09 | 史世英 | Continuous multi-layer full-automatic energy-saving curing kiln |
| CN103692542B (en) * | 2013-12-12 | 2016-08-17 | 湖南三一快而居住宅工业有限公司 | Precast concrete curing kilns, curing system and production system |
| CN104110959B (en) * | 2014-07-17 | 2016-03-02 | 王睿敏 | For low energy consumption curing kilns and the preparation method of apparatus for concrete member curing |
| CN106142324A (en) * | 2015-03-31 | 2016-11-23 | 任丘市永基建筑安装工程有限公司 | A kind of precast concrete mechanized production system |
| CN105773827B (en) * | 2016-05-03 | 2018-01-30 | 国新德 | Prefabricated components solid production system |
| CN206287319U (en) * | 2016-12-29 | 2017-06-30 | 中民筑友科技投资有限公司 | A kind of production line of precast concrete |
| CN109203215A (en) * | 2018-11-09 | 2019-01-15 | 长沙英平机械制造有限责任公司 | Concrete prefabricated element production line |
| CN109834814B (en) * | 2019-04-04 | 2021-10-08 | 廊坊海斯建材机械有限公司 | Precast concrete production line |
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