Disclosure of Invention
The invention provides a device and a method for producing a twisting block, which are used for solving the problems that the production links of the existing production device are more, the construction progress is easy to influence, and the compactness of the produced twisting block is poor.
In a first aspect, the present invention provides a twisting block production device, comprising:
A frame;
the centrifugal disc is rotatably arranged on the frame;
the die is arranged on the centrifugal disc and is suitable for rotating along with the centrifugal disc, and the die is provided with a feed inlet;
The discharge end of the hopper is arranged corresponding to the feed inlet of the die.
The beneficial effects are that:
The discharge end of hopper corresponds with the feed end of mould, guarantees that the material can continuously, enter into in the mould steadily, and centrifugal force can drive the material simultaneously and to each corner of mould fast, including regional packing that traditional gravity packing such as corner, gap are difficult to cover, has effectively overcome the material that easily appears in traditional packing mode and has piled up uneven, local cavity, the not closely knit scheduling defect of corner packing. The material is uniformly filled into the die through centrifugal force, so that the compactness of the twisting block can be improved, the internal structure of the twisting block can be more uniform and stable, and the structural strength of the twisting block is further enhanced. Compared with the prior art, the method has the advantages that the formwork supporting stations, the pouring stations, the vibrating areas, the curing areas and the transferring areas are divided in the construction site, the mould supporting, the concrete pouring, the vibrating and the concrete block curing are respectively carried out on the mould through the preset stations, the station number and the site occupied area in the production process can be reduced, the vibrating stations and the independent formwork supporting stations in the traditional production are omitted, the mould supporting can be directly completed on a centrifugal disc, the material compaction can be synchronously realized in the centrifugal filling process, the production flow is simplified, the time loss caused by material transfer and process switching can be avoided, and the production period of producing single-batch twisting blocks is shortened.
In an alternative embodiment, the method further comprises:
the adjustable fixing device is provided with a fixing state for fixing the die and the centrifugal disc and an unlocking state for disconnecting the die and the centrifugal disc.
The beneficial effects are that:
The adjustable fixing device can fix the die on the centrifugal disc, so that the problem that the internal structure of the twisting block is uneven due to shaking or deviation of the die under the action of centrifugal force is avoided. Meanwhile, the adjustable fixing device can adapt to dies with different sizes and specifications by adjusting the clamping range or the jacking stroke. The adjustable device can be disconnected with the centrifugal disc under the unblock state, and the mould after the material is annotated of being convenient for is transported to the maintenance district fast, improves the turnover rate of mould indirectly.
In an alternative embodiment, the mold further comprises a protective ring arranged on the centrifugal disk, wherein the protective ring encloses a receiving cavity for at least partially receiving the mold.
The beneficial effects are that:
The protection circle encloses and closes the accommodation chamber that forms and can play limiting displacement to the mould, avoids the centrifugal disk to appear outwards sliding, empting the risk of departure even when driving the mould to rotate, has promoted the security in the production process, holds the radial range of rocking that the chamber can restrict the mould simultaneously, avoids the mould to twist king piece shaping size deviation, inner structure inequality problem that leads to because of the reply rocks.
In an alternative embodiment, the adjustable fixing device comprises a tightening device movably arranged on the protective ring, and the tightening device is suitable for tightening the die.
The beneficial effects are that:
The tightening device is movably arranged on the protective ring and is used for being supported by force, the tightening degree of the tightening device can be adjusted to adapt to twisting block dies of different specifications, the tightening device can be adjusted to be in a tighter state for dies with bigger size or bigger weight, the tightening force is increased to adapt to bigger centrifugal force, the dies are ensured not to deviate and shake during rotation, and the tightening device can be properly adjusted for dies with smaller size or thinner wall thickness, so that the dies are prevented from deforming due to overlarge tightening force, and the integrity of the dies is protected.
In an alternative embodiment, the method further comprises:
a driving member;
the transmission device is connected between the driving piece and the rotating shaft of the centrifugal disc.
The beneficial effects are that:
The rotation speed of the centrifugal disk can be adjusted by adjusting the output power of the driving piece, and the centrifugal force of different dies can be adapted.
In an alternative embodiment, the tightening means are provided in plurality along the circumference of the guard ring.
The beneficial effects are that:
The jacking device is provided with a plurality of pairs of positioning devices along the axial direction of the protection ring, so that force is applied to the mould from a plurality of positions of the protection ring, local overlarge stress of the mould caused by single-point or single-side jacking is avoided, meanwhile, load can be dispersed, the mould is fixed from the plurality of positions, the risk of sliding and even flying out of the mould is reduced, and the safety of the production process is further guaranteed.
In an alternative embodiment, the guard ring is provided with a plurality of adjustment holes to accommodate different positions of the tightening device.
The beneficial effects are that:
a plurality of adjusting holes are formed in the protective ring, a plurality of mounting points are provided for the jacking device, and the twisting block can be adapted to dies of different specifications, so that the twisting blocks of different specifications are produced.
In an alternative embodiment, a hopper is provided on the mould in a lifting manner.
The beneficial effects are that:
The hopper goes up and down to set up in the mould top, can be according to the altitude specification of mould, feed inlet position and the interval of material filling progress adjustment hopper discharge end and mould feed inlet, ensures that both remain the best butt joint state all the time. For a die with a higher height, the hopper can be lifted to avoid collision interference with the die, and for a die with a shorter height, the hopper can be lowered to shorten the material falling distance, reduce splashing and dust in the material falling process, reduce the material loss, and simultaneously avoid the pollution of the splashed material on the outer wall of the die or the production environment.
In an alternative embodiment, the device further comprises a connecting pipe, wherein the connecting pipe is detachably arranged between the feeding hole of the die and the discharging end of the hopper.
The beneficial effects are that:
Can be through changing the not high king of turning round of connecting pipe adaptation of different length to the production of the different king of turning round pieces of adaptation, the discharge end of hopper and the feed inlet of mould can be sealed to the connecting pipe simultaneously, reduce the unrestrained of material at whereabouts in-process, reduce the raw materials loss, avoid the material pollution production environment that splashes, increase follow-up clearance work load.
In a second aspect, the present invention further provides a method for producing a king twisting block, which is applied to the device for producing a king twisting block, and the method for producing a king twisting block includes:
Placing the cleaned and oiled mould at the center of a centrifugal disc;
Tightly propping the die by using a tightly propping device;
the discharge end of the hopper is aligned with the feed inlet of the die;
Tilting the material into the hopper so that the material enters the inner cavity of the die through the hopper, and simultaneously, the driving piece drives the transmission device to rotate so that the centrifugal disc drives the die to rotate;
after the material injection is completed, loosening the jacking device, and transferring the die to a curing area for curing;
and demolding the mold to obtain the twisting block.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The twisting block is one of the facing blocks and is generally arranged on the outermost layer of the breakwater, and the breakwater is protected by weakening the impact force of waves. The shape of the twisting block belongs to a more complex member in a concrete prefabricated member, and consists of three rod pieces, wherein the rod pieces at two ends are parallel, the rod piece in the middle is orthogonal to the rod pieces at two ends, the material is concrete, and the one-time pouring of the shaping mold 3 is completed. The turning block is widely used in maritime wharf and other projects at present, and the production capacity is large. In the prefabrication pouring process of the twisting block, a series of processes such as mould building, concrete pouring, maintenance, mould removing, secondary maintenance and the like are needed, the production links are more, confusion is difficult to avoid in manual operation, the whole construction progress is affected, and the vibration compactness of the produced twisting block is poor.
In the related art, a formwork supporting station, a pouring station, a vibrating area, a curing area and a transferring area are divided in a construction site, each group of prefabricating stations respectively carry out four steps of die 3 supporting, concrete pouring, vibrating, concrete block curing and die 3 dismantling, each step is carried out alternately, the twisting blocks are finally transported to the curing area for curing and transported to the transferring area for transferring and transporting, the method is suitable for mass production operation of the twisting blocks, and when the concrete construction operation is carried out, each station is designed only according to the process sequence so as to carry out production, but the twisting blocks produced according to the process sequence have long curing time, low die 3 turnover rate and poor vibrating compaction effect, and the production occupation area is more.
An embodiment of the present invention is described below with reference to fig. 1 to 11.
According to an embodiment of the present invention, in one aspect, there is provided a twisting block production apparatus, including:
A frame 1;
the centrifugal disc 2 is rotatably arranged on the frame 1;
The die 3 is arranged on the centrifugal disc 2 and is suitable for rotating along with the centrifugal disc 2, and the die 3 is provided with a feed inlet;
the discharge end of the hopper 6 is arranged corresponding to the feed inlet of the die 3.
As shown in fig. 1, the opening of the feeding end of the hopper 6 is larger than the opening of the discharging end, the discharging end of the hopper 6 is opposite to the feeding opening of the die 3, and the axial line of the hopper 6 is coincident with the axial line of the rotating shaft 9 of the centrifugal disc 2, so that materials can vertically enter the inner cavity of the die 3 along the central position of the feeding opening of the die 3 when falling from the discharging end, and the materials can uniformly spread in all directions of the inner cavity of the die 3 under the action of centrifugal force, so that the distribution density of the twisting blocks in the die 3 is ensured to be consistent.
It should be noted that the material in the invention is generally concrete, and when concrete is distributed, the concrete can be selected from dry concrete, namely concrete with lower slump, so that residual slurry is not generated after centrifugation, the maintenance time of the turning block can be reduced, and meanwhile, the turnover number of the die 3 is increased.
The discharge end of the hopper 6 corresponds to the feed end of the die 3, so that materials can be continuously and stably fed into the die 3, and meanwhile, centrifugal force can drive the materials to rapidly fill into all corners of the die 3, and the defects that the materials are accumulated unevenly, local cavities are not compact in corner filling and the like in the traditional filling mode are effectively overcome, wherein the traditional gravity filling mode comprises corners, gaps and the like, and the traditional gravity filling mode is difficult to cover. The material is uniformly filled into the die 3 through centrifugal force, so that not only can the compactness of the twisting block be improved, but also the internal structure of the twisting block can be more uniform and stable, and the structural strength of the twisting block is further enhanced. Compared with the prior art, the mold supporting station, the pouring station, the vibrating area, the curing area and the transferring area are divided in the construction site, and the mold 3 is respectively supported, concreted, vibrated, cured and the like through each group of preset stations, so that the number of stations and the occupied area of the site in the production process can be reduced, the vibrating station and the independent mold supporting station in the traditional production are omitted, the mold 3 support can be directly completed on the centrifugal disc 2, the centrifugal filling process can synchronously realize the compaction of materials, the production flow is simplified, the time loss caused by material transfer and process switching can be avoided, and the production period for producing single-batch twisting blocks is shortened.
In one embodiment, further comprising:
an adjustable fixing device having a fixing state for fixing the mold 3 to the centrifugal disk 2 and an unlocking state for disconnecting the mold 3 from the centrifugal disk 2.
The adjustable fixing device can select the jacking device 5 to jack the die 3, and can also select the clamping mode to clamp the die 3. Alternatively, a plurality of uniformly distributed jaws may be disposed on the centrifugal disk 2, and when the mold 3 is placed at a preset position on the centrifugal disk 2, the jaws are driven to clamp the bottom of the mold 3, and the mold 3 and the centrifugal disk 2 are fixed by uniformly distributed clamping force.
The adjustable fixing device can fix the die 3 on the centrifugal disc 2, so that the problem that the internal structure of the twisting block is uneven due to shaking or deviation of the die 3 under the action of centrifugal force is avoided. Meanwhile, the adjustable fixing device can adapt to moulds 3 with different sizes and specifications by adjusting the clamping range or the jacking stroke. Under the unblock state of adjustable device, mould 3 can break away from the connection with centrifugal disk 2, and mould 3 after the notes material of being convenient for is transported to the maintenance district fast, improves mould 3's turnover rate indirectly.
In one embodiment, the mold further comprises a protective ring 4, wherein the protective ring 4 is arranged on the centrifugal disk 2, and the protective ring 4 is enclosed to form a containing cavity for at least partially containing the mold 3.
As shown in fig. 7 and 8, the protecting ring 4 can be designed into a barrel shape or a grid shape, the bottom of the protecting ring 4 can be fixed with the surface of the centrifugal disk 2 in a mode of bolt connection or clamping connection and the like, and meanwhile, the axis of the protecting ring 4 coincides with the axis of the rotating shaft 9 of the centrifugal disk 2, so that the protecting ring 4 can not deviate when synchronously rotating along with the centrifugal disk 2, and the inner diameter of a containing cavity formed by the protecting ring 4 is larger than the length of a rod piece at two ends of the king block and the length of a middle rod piece. The guard ring 4 is typically higher than half the height of the twisting block so that the die 3 does not fall out of the guard ring 4 when rotated. The barrel-shaped protective ring 4 can be made of high-strength steel or wear-resistant alloy materials, a wear-resistant lining plate or a buffer cushion layer can be arranged on the inner wall of the barrel-shaped protective ring 4, the grid-shaped protective ring 4 is composed of vertical grid bars and upper and lower annular frames which are uniformly distributed along the centrifugal disc 2, the grid bars can be made of high-strength steel, the widths of the grid bars are the same, and grid gaps formed between adjacent grid bars are the same.
The protection ring 4 encloses and closes the chamber that holds that forms and can play spacing effect to mould 3, avoids centrifugal dish 2 when driving mould 3 rotation, and mould 3 appears outwards sliding, emptys the risk of departure even, has promoted the security in the production process, holds the chamber simultaneously and can restrict the radial range of rocking of mould 3, avoids mould 3 to twist king piece shaping size deviation, the inner structure inequality problem that leads to because of the answer rocks.
In one embodiment, the adjustable fixing device comprises a tightening device 5, the tightening device 5 is movably arranged on the protective ring 4, and the tightening device 5 is suitable for tightening the die 3.
The screw rod and the nut cooperation can be selected for use to the tight device in top 5, and the screw rod wears to establish on the guard ring 4, through the mode of radially exerting the tight force in top along the guard ring 4, fixes mould 3 in the guard ring 4 enclose the holding chamber that closes the formation, and one side of screw rod orientation mould 3 is equipped with the nut, because the diameter of nut is greater than the diameter of screw rod, so the nut also can play the increase with the effect of mould 3 surface area of contact, has effectively dispersed the tight pressure in top. An operator can adjust the screwing depth of the screw on the protective ring 4 according to the sizes of different twisting blocks, after the screw is propped against the die 3, the locking nut can be used for positioning the screw, when the screw is unlocked, the screw can be separated from the die 3 by only loosening the locking nut and rotating the screw reversely, and an electric wrench can be used for adjusting the propping device 5 on the protective ring 4.
The tightening device 5 is movably arranged on the protective ring 4, the protective ring 4 is used as a stress support, the tightening degree of the tightening device 5 can be adjusted to adapt to the twisting block dies 3 with different specifications, the tightening device 5 can be adjusted to be in a tighter state for the dies 3 with bigger size or bigger weight, the tightening force is increased to adapt to bigger centrifugal force, the dies 3 are ensured not to deviate and shake during rotation, and the tightening device 5 can be properly adjusted for the dies 3 with smaller size or thinner wall thickness, so that the dies 3 are prevented from deforming due to overlarge tightening force, and the integrity of the dies 3 is protected.
In one embodiment, further comprising:
A driving member 8;
And a transmission device 7, wherein the transmission device 7 is connected between the driving piece 8 and the rotating shaft 9 of the centrifugal disc 2.
The driving piece 8 can provide a power source for the rotation of the centrifugal disk 2, and can be a hydraulic motor, an alternating current asynchronous motor, a variable frequency speed regulating motor and the like.
The transmission device 7 is fixed on the frame 1, the transmission device 7 consists of a belt wheel and a belt, the centrifugal disc 2 is connected with the frame 1 through a bearing after being connected with the driven wheel, an output shaft of the driving device is connected with the driving wheel, and the driving wheel is connected with the driven wheel through the belt, so that the driving piece 8 can drive the centrifugal disc 2 to rotate through the transmission device 7. Alternatively, the transmission device 7 may also be other structures such as a gear transmission structure.
The rotational speed of the centrifugal disc 2 can be adjusted by adjusting the output power of the driving member 8 to adapt the centrifugal force of different dies 3.
In one embodiment, the tightening means 5 are provided in plurality along the circumference of the guard ring 4.
Specifically, the propping device 5 comprises a first propping device 51 and a second propping device 52, and the first propping device 51 and the second propping device 52 are arranged perpendicular to each other and are respectively used for propping up the two end rod pieces and the middle rod piece of the twisting block mold 3.
The jacking device 5 is arranged along the axial direction of the protective ring 4, a plurality of positions capable of applying force to the die 3 from the plurality of positions of the protective ring 4, local overlarge stress of the die 3 caused by single-point or single-side jacking is avoided, meanwhile, load can be dispersed, the die 3 is fixed from the plurality of positions, the risk that the die 3 slides and even flies out is reduced, and the safety of the production process is further guaranteed.
In one embodiment, the guard ring 4 is provided with a plurality of adjustment holes 41 to accommodate the tightening device 5 in different positions.
Specifically, the positions of the protective ring 4 for installing the first propping device 51 and the second propping device 52 are provided with adjusting holes 41 with different heights for adapting to the molds 3 with different specifications.
The guard ring 4 is provided with a plurality of adjusting holes 41, a plurality of mounting points are provided for the jacking device 5, and the twisting blocks can be matched with the dies 3 with different specifications, so that the twisting blocks with different specifications are produced.
In one embodiment, a hopper 6 is provided on the mould 3 in a lifting manner.
The hopper 6 is arranged above the die 3 in a lifting manner, and the distance between the discharge end of the hopper 6 and the feed inlet of the die 3 can be adjusted according to the height specification, the feed inlet position and the material filling progress of the die 3, so that the optimal butt joint state of the hopper and the die 3 is ensured all the time. For a die 3 with a higher height, the hopper 6 can be lifted to avoid collision interference with the die 3, and for a die 3 with a shorter height, the hopper 6 can be lowered to shorten the material falling distance, reduce splashing and dust in the material falling process, reduce the raw material loss, and simultaneously avoid the pollution of the outer wall of the die 3 or the production environment by splashed materials.
In one embodiment, the device further comprises a connecting pipe 10, wherein the connecting pipe 10 is detachably arranged between the feed inlet of the die 3 and the discharge end of the hopper 6.
Can be through changing the different high round king pieces of connecting pipe 10 adaptation of different length to the production of turning round the king piece in adaptation difference, connecting pipe 10 can seal the discharge end of hopper 6 and the feed inlet of mould 3 simultaneously, reduce the unrestrained of material at whereabouts in-process, reduce the raw materials loss, avoid the material pollution production environment that splashes, increase follow-up clearance work load.
Specifically, the hopper 6 is movably or rotatably arranged above the mold 3, and when the mold 3 needs to be removed, the hopper 6 can be rotated to other positions or moved away, so that the hopper 6 does not affect the disassembly and assembly of the mold 3.
According to an embodiment of the present invention, on the other hand, there is also provided a method for producing a twisting block, which is applied to the above-mentioned device for producing a twisting block, and the method for producing a twisting block includes:
Placing the cleaned and oiled mould 3 in the central position of the centrifugal disc 2;
the mold 3 is tightly propped by using a propping device 5;
the discharge end of the hopper 6 is aligned with the feed inlet of the die 3;
Tilting the material into the hopper 6 so that the material enters the inner cavity of the die 3 through the hopper 6, and simultaneously the driving piece 8 drives the transmission device 7 to rotate so that the centrifugal disc 2 drives the die 3 to rotate;
after the material injection is completed, loosening the jacking device 5, and transferring the die 3 to a curing area for curing;
and demolding the mold 3 to obtain the twisting block.
In the production method of the embodiment, the dry concrete can be directly adopted for distribution, the twisting block is higher in strength after being compactly molded, the maintenance time can be effectively shortened, the turnover efficiency of the die 3 is improved, meanwhile, a plurality of working procedures are concentrated in the same production station, the distribution can be simultaneously compactly and vibrationally carried out, and the production efficiency can be improved while the field is saved.
Although embodiments of the present invention have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope of the invention as defined by the appended claims.