CN114474300A - Concrete on-site 3D printing equipment and application method thereof - Google Patents
Concrete on-site 3D printing equipment and application method thereof Download PDFInfo
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- CN114474300A CN114474300A CN202210169739.XA CN202210169739A CN114474300A CN 114474300 A CN114474300 A CN 114474300A CN 202210169739 A CN202210169739 A CN 202210169739A CN 114474300 A CN114474300 A CN 114474300A
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- 238000010146 3D printing Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000007639 printing Methods 0.000 claims abstract description 116
- 230000000694 effects Effects 0.000 claims abstract description 8
- 239000007921 spray Substances 0.000 claims description 7
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 6
- 230000009194 climbing Effects 0.000 description 9
- 230000001174 ascending effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 208000036829 Device dislocation Diseases 0.000 description 1
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Classifications
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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
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
Abstract
The application relates to a concrete on-site 3D printing device and a using method thereof. A concrete on-site 3D printing device comprises an operation table, a printing device and a printing device, wherein the operation table is used for bearing the 3D printing device; a moving mechanism capable of moving the operation table; a printing device for printing the concrete member; the transverse moving assembly is arranged on the top beam and is used for transversely moving the printing device along the plane of the operating platform; the longitudinal moving assembly is arranged on the operating platform and is used for moving the printing device along the longitudinal direction of the plane of the operating platform; and the lifting assembly is arranged on the top beam and is used for driving the printing device to move in the direction close to or far away from the operating platform. The application also discloses a use method of the concrete site 3D printing equipment, and the concrete site 3D printing equipment has the effect of facilitating the 3D printing construction of the concrete member in a small place.
Description
Technical Field
The application relates to the field of engineering construction, in particular to a concrete site 3D printing device and a using method thereof.
Background
The traditional concrete member consumes a large amount of manpower and man-hour in the preparation, has very big drawback. If the concrete member is manufactured by means of a computer control system and a 3D printing technology, batch and industrial production can be realized, and thus the construction speed is greatly increased.
The existing Chinese patent with the publication number of CN109129819A discloses on-site concrete 3D printing equipment and a building construction method, wherein the 3D printing equipment comprises a printing device, a feeding system, a printing device moving system, a printing control system, a climbing upright post, a climbing auxiliary upright post and a climbing power system. The printing device moving system is arranged on the climbing upright post; the printing device is arranged on the printing device moving system; a feeding pipe of the feeding system is connected with a printing head of the printing device; the printing control system is used for controlling the running states of the printing device moving system and the printing head; the climbing upright post is connected with the climbing auxiliary upright post through a climbing power system; the climbing auxiliary upright post or the climbing upright post is fixedly connected with an embedded part arranged in a building structure through an upright post fixing device.
In view of the above-mentioned related art, the inventors thought that the above-mentioned 3D printing apparatus can realize on-site printing on a high-rise building, but when printing a concrete member inside a small-sized place, it is necessary to transport the concrete member to the inside of the small-sized place after the concrete member is first printed outside, which is inconvenient to perform on-site printing on the concrete member inside the small-sized place.
Disclosure of Invention
In order to facilitate on-site 3D printing construction of concrete inside a small place, the application provides on-site 3D printing equipment of the concrete and a using method thereof.
First aspect, the application provides a concrete scene 3D printing apparatus, adopts following technical scheme:
a concrete on-site 3D printing device comprises an operation table, a printing device and a printing device, wherein the operation table is used for bearing the 3D printing device;
a moving mechanism which is arranged below the operating platform and can move the operating platform; the printing device is arranged above the operating platform and between the operating platform and the top beam, and is used for printing the concrete member; the transverse moving assembly is arranged on the top beam and is used for transversely moving the printing device along the plane of the operating platform; the longitudinal moving assembly is arranged on the operating platform and is used for moving the printing device along the longitudinal direction of the plane of the operating platform; and the lifting assembly is arranged on the top beam and is used for driving the printing device to move in the direction close to or far away from the operating platform.
By adopting the technical scheme, when 3D printing of the concrete member needs to be carried out on site in a small place, the operation table is moved to the place where the concrete member needs to be printed on site in the small place through the moving mechanism, then the transverse moving printing device is transversely moved on the plane where the operation table is located through the transverse moving assembly, the longitudinal moving printing device is longitudinally moved on the plane where the operation table is located through the longitudinal moving assembly, the position of the printing device in the vertical direction is adjusted through the lifting assembly, and the three components are cooperatively matched with each other, so that 3D printing construction of the concrete member on the concrete site in the small place is realized.
Optionally, the moving mechanism includes a bottom plate disposed below the console and used for supporting the console, universal wheels are mounted at four corners of the lower surface of the bottom plate, and a plurality of first support rods are vertically disposed between the bottom plate and the console.
Through adopting above-mentioned technical scheme, the setting up of universal wheel has made things convenient for the removal to the operation panel.
Optionally, be provided with two second bracing pieces between operation panel and the back timber, the lateral shifting subassembly includes all rotates the first screw rod of being connected with the lateral wall that two second bracing pieces are relative, first screw rod has cup jointed the fixed block, the fixed block below is connected with printing device, arbitrary end connection of first screw rod has the first positive motor that just reverses of drive first screw rod pivoted, be provided with the direction subassembly that plays the guide effect to the removal of fixed block along the length direction of first screw rod between fixed block and the back timber.
By adopting the technical scheme, when the printing device needs to be moved transversely on the plane where the operating platform is located, the first forward and reverse rotating motor is controlled to rotate at first, the output shaft of the first forward and reverse rotating motor drives the first screw rod to rotate, the first screw rod drives the fixing block to move along the first screw rod, and the guide assembly plays a role in guiding the movement of the fixing block in the moving process of the fixing block.
Optionally, the guide assembly includes first guide way of seting up on the both sides wall of back timber along length direction, the both sides wall of fixed block along the length direction of first screw all is connected with a first guide block that is the L type, the one end that the fixed block was kept away from to first guide block is pegged graft and is in just can slide along the length direction of first guide way in the first guide way.
Through adopting above-mentioned technical scheme, at the in-process that the fixed block moved along first screw rod, the fixed block drives first guide block and moves in first guide way, and first guide block has played the effect of direction to the removal of fixed block to increased the stability of fixed block removal in-process, the guide block has played the effect of pulling the fixed block simultaneously, reduced the fixed block only by the screw rod fix in the vertical direction when to the pressure of screw rod, reduced the bearing pressure of screw rod.
Optionally, the longitudinal movement subassembly is provided with two, and two longitudinal movement subassemblies all include one set up respectively in second bracing piece below and with the first connecting block of operation panel upper surface fixed connection, two the upper surface of first connecting block all sets up the sliding tray that supplies second bracing piece male along length direction inwards, two the sliding tray all rotates and is connected with the second screw rod that sets up along sliding tray length direction, two the bottom of second bracing piece respectively with second screw rod threaded connection, any end connection of second screw rod has the drive second screw rod to carry out the positive motor that reverses of pivoted second.
Through adopting above-mentioned technical scheme, when needs are in the planar longitudinal movement printing device of operation panel place, at first rotate two second motors that are just reversing, the output shaft of two second motors that are just reversing drives two second screws respectively and rotates, two second screws drive two second bracing pieces respectively and carry out the ascending removal of horizontal direction along the length direction of second screw, two second bracing pieces drive the back timber and move along the length direction of second screw together, printing device finally carries out the fore-and-aft removal on operation panel place plane under the drive of back timber and second bracing piece.
Optionally, the lifting unit includes the second connecting block with the lower fixed surface of fixed block is connected, the lateral wall fixedly connected with third connecting block of first screw rod is kept away from to the second connecting block, the inside die cavity that is provided with of third connecting block, the die cavity internal rotation is connected with the dwang with first screw rod length direction parallel arrangement, the third connecting block is passed and the positive motor that just reverses of drive dwang pivoted third is provided with to the one end of dwang, the drive wheel has been cup jointed on the dwang, the vertical through-hole that has seted up that runs through in the third connecting block, through-hole and die cavity intercommunication, the vertical rack that is provided with the drive wheel meshing in the through-hole, the top of rack is connected with the limiting plate, the end and the printing device of rack are connected.
Through adopting above-mentioned technical scheme, when needs carry out ascending and descending operation in vertical side to printing device, at first rotate through the positive reverse motor drive dwang of third, the dwang drives the drive wheel and rotates, and the rotation of drive wheel drives the rack and carries out ascending removal in vertical side to finally drive printing device by the rack and carry out ascending removal in vertical side. The through holes facilitate the movement of the rack in the vertical direction. The limiting plate reduces the probability that the rack is disengaged from the driving wheel.
Optionally, the side wall of the second connecting block is fixedly connected with a fourth connecting block, the third connecting block is far away from the fourth connecting block, the fourth connecting block is in threaded connection with a third screw rod arranged in the vertical direction, the bottom of the third screw rod is rotatably connected with a connecting plate, the connecting plate is connected with the side wall of the printing device, and a fan is arranged at the bottom of the third screw rod after the bottom of the third screw rod penetrates through the connecting plate.
Through adopting above-mentioned technical scheme, when printing device carries out ascending removal of vertical side under the drive of rack, printing device drives the connecting plate and upwards moves together, the third screw rod rotates under the drive of connecting plate, thereby the rotation of third screw rod drives the fan and rotates and make the fan carry out the operation of blowing to the operation panel upper surface, thereby the speed of condensing of concrete has been accelerated, the setting of third screw rod has played the guide effect to printing device removal in vertical side simultaneously, the stability of printing device when moving in vertical side has been increased.
In a second aspect, the application provides a method for using a concrete site 3D printing device, which adopts the following technical scheme:
a use method of a concrete site 3D printing device comprises the following steps:
s1: before using the equipment, drawing a 3D graph by using CAD/CAM and layering software for 3D printing according to the requirement of a concrete component to be printed, and compiling a numerical control instruction after determining the running path of a nozzle of a printing device in a layering manner according to the condition of a workpiece;
s2: when the position of a spray head of the printing device needs to be adjusted at the transverse position of the plane of the operating platform, an output shaft of a first forward and reverse rotating motor drives a first screw rod to rotate, and the rotation of the first screw rod drives a fixed block to move along the direction parallel to the length direction of the first screw rod;
s3: when the position of a spray head of the printing device needs to be adjusted on the longitudinal position of the plane of the operating platform, an output shaft of a second forward and reverse rotating motor drives a second screw rod to rotate, the second screw rod drives a second supporting rod to move along a sliding groove, and the second supporting rod drives a top beam and the printing device to move along the longitudinal position of the plane of the operating platform;
s4: when the position of a spray head of the printing device needs to be moved in the vertical direction, a third forward and reverse rotating motor is controlled to rotate firstly, an output shaft of the third forward and reverse rotating motor drives a rotating rod to rotate, the rotating rod drives a driving wheel to rotate, the driving wheel drives a rack to move in the vertical direction, and the printing device finally moves in the vertical direction under the driving of the rack;
s5: when printing device's shower nozzle position moved on vertical direction, the connecting plate moved on vertical direction under printing device's drive. The third screw rod moves in the vertical direction under the driving of the connecting plate and rotates while moving, the fan rotates under the driving of the third screw rod, and the rotation of the fan blows the upper surface of the operating platform so as to accelerate the solidification of the concrete member.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when 3D printing of a concrete member needs to be carried out on site in a small place, firstly, an operation table is moved to the place, needing to be printed on site, of the concrete member in the small place through a moving mechanism, then a printing device is transversely adjusted on the plane where the operation table is located through a transverse moving assembly, the printing device is longitudinally adjusted on the plane where the operation table is located through a longitudinal moving assembly, and the position of the printing device in the vertical direction is adjusted through a lifting assembly, so that 3D printing construction of the concrete member on site in the small place is realized;
2. when printing device carries out ascending removal in vertical side under the drive of rack, printing device drives the connecting plate and upwards moves together, the third screw rod rotates under the drive of connecting plate, thereby the rotation of third screw rod drives the fan and rotates and make the fan carry out the operation of blowing to the operation panel upper surface, thereby the speed of condensing of concrete has been accelerated, the setting of third screw rod has played the guide effect to printing device removal in vertical side simultaneously, stability when printing device moved in vertical side has been increased.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is a schematic structural diagram of an embodiment of the present application embodying a lateral shifting assembly;
fig. 3 is a schematic structural view of a second guide groove embodied in the embodiment of the present application;
FIG. 4 is a schematic structural diagram showing the inside of a cavity in the embodiment of the present application;
fig. 5 is a schematic structural diagram of a rotating rod embodied in the embodiment of the present application.
Description of reference numerals: 1. an operation table; 2. a moving mechanism; 21. a base plate; 22. a universal wheel; 23. a first support bar; 3. a printing device; 31. a top beam; 32. a second support bar; 4. a lateral movement assembly; 41. a first screw; 42. a fixed block; 43. a first positive and negative rotation motor; 44. a guide assembly; 441. a first guide groove; 442. a first guide block; 5. a longitudinal movement assembly; 51. a first connection block; 511. a second guide block; 512. a second guide groove; 52. a sliding groove; 53. a second screw; 54. a second positive and negative rotation motor; 6. a lifting assembly; 61. a second connecting block; 62. a third connecting block; 621. a fourth connecting block; 622. a third screw; 623. a connecting plate; 624. a fan; 63. a third positive and negative rotation motor; 64. a cavity; 65. rotating the rod; 66. a drive wheel; 67. a rack; 68. a through hole; 69. and a limiting plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses on-spot 3D printing apparatus of concrete. Referring to fig. 1, a concrete site 3D printing apparatus includes an operation table 1 disposed on a ground, and the operation table 1 is used for carrying the 3D printing apparatus. A top beam 31 is arranged above the operating platform 1, and two ends of the lower surface of the top beam 31 along the length direction are fixedly connected with second support rods 32 arranged on the operating platform 1. A printing device 3 for printing the concrete member to be formed is arranged between the top beam 31 and the operation table 1.
Referring to fig. 1, a lifting assembly 6 for lifting the printing device 3 is connected below the top beam 31, a transverse moving assembly 4 for moving the printing device 3 at a transverse position of a plane where the operation table 1 is located is arranged on the top beam 31, and a transverse direction of the plane where the operation table 1 is located is a direction parallel to a length direction of the top beam 31 on the plane where the operation table 1 is located. The operation table 1 is provided with a longitudinal moving assembly 5 for moving the printing device 3 in the longitudinal position of the plane of the operation table 1, and the longitudinal direction of the plane of the operation table 1 is parallel to the width direction of the top beam 31 on the plane of the operation table 1. It should be noted that the printing device 3 is substantially a concrete 3D printing device in the background art, which is already the prior art, and the function and function of the printing device need not be disclosed in the present invention.
When the concrete member needs to be printed on site in a small place, the position of the printing device 3 in the vertical direction is adjusted through the lifting assembly 6; the transverse moving component 4 adjusts the transverse position of the printing device 3 on the plane of the operating platform 1; the longitudinal movement assembly 5 adjusts the longitudinal position of the printing device 3 in the plane of the operating table 1. The printing apparatus 3 can move in three dimensions in the space enclosed by the lifting assembly 6, the lateral moving assembly 4 and the longitudinal moving assembly 5, so that the position of the printing apparatus 3 can be flexibly moved in the space.
Referring to fig. 1, the moving mechanism 2 includes a bottom plate 21 disposed below the operation table 1, four first support rods 23 for supporting the operation table 1 are fixedly connected between an upper surface of the bottom plate 21 and a lower surface of the operation table 1, and universal wheels 22 are mounted at four corners of the lower surface of the bottom plate 21. The arrangement of the base plate 21 and the castor 22 facilitates movement of the console 1.
Referring to fig. 1 and 2, the lateral movement assembly 4 includes a first screw 41 disposed between the two second support bars 32, and both ends of the first screw 41 are rotatably connected to the two second support bars 32, respectively. The rod part provided with the thread on the first screw rod 41 is in threaded sleeve connection with the fixed block 42, and the upper surface of the fixed block 42 is abutted to the lower surface of the top beam 31. One of the second support rods 32 is fixedly connected to a first forward/reverse rotation motor 43 far away from the side wall of the fixed block 42, and one end of the first screw rod 41 is fixedly connected to an output shaft of the forward/reverse rotation motor after passing through the second support rod 32. A guide assembly 44 for guiding the movement of the fixed block 42 along the length direction of the first screw 41 is disposed between the fixed block 42 and the top beam 31.
Referring to fig. 1 and 2, the guide assembly 44 includes first guide grooves 441 respectively formed on two side walls parallel to the length direction of the top beam 31, and first guide blocks 442 are respectively fixedly connected to two side walls of the fixing block 42 parallel to the length direction of the top beam 31; the first guide block 442 is disposed in an L-shape, and an end of the first guide block 442 away from the fixing block 42 is slidably connected to the first guide groove 441.
When the printing device 3 needs to be moved in the horizontal position of the plane of the operating platform 1, the output shaft of the first forward and reverse rotation motor 43 drives the first screw rod 41 to rotate, the rotation of the first screw rod 41 drives the fixed block 42 to move along the direction parallel to the length direction of the first screw rod 41, and the guide assembly 44 plays a role in guiding the movement of the fixed block 42 in the moving process of the fixed block 42.
When the fixed block 42 moves along the length direction of the first screw rod 41, the first guide block 442 moves along the first guide groove 441 by the fixed block 42, and the first guide block 442 and the first guide groove 441 guide the movement of the fixed block 42.
Referring to fig. 1 and 3, two longitudinal moving assemblies 5 are provided, and the two longitudinal moving assemblies 5 are both provided on the operation table 1 and are respectively located below both end portions of the top beam 31. Each of the longitudinal moving assemblies 5 includes a first connecting block 51 fixedly connected to the upper surface of the operation table 1, the first connecting block 51 is disposed in a bar shape, and the length direction of the first connecting block 51 is parallel to the longitudinal direction of the plane of the operation table 1. The upper surface of each first connecting block 51 is provided with a sliding groove 52 inwards, the sliding groove 52 is arranged in a long strip shape along the length direction of the first connecting block 51, and the second support bar 32 can slide along the length direction of the sliding groove 52.
Referring to fig. 1 and 3, a second screw 53 parallel to the length direction of the first connecting block 51 is disposed in each of the two sliding grooves 52, and both ends of the second screw 53 are rotatably connected to both ends of the first connecting block 51, respectively. The bottom of the second support rod 32 is in threaded connection with the rod part of the second screw 53 provided with threads, one end of the first connecting block 51 in the length direction is provided with a second forward and reverse rotation motor 54, and one end of the second screw 53 penetrates through the first connecting block 51 and then is fixedly connected with an output shaft of the second forward and reverse rotation motor 54. The two opposite inner walls of the sliding groove 52 are provided with a second guide groove 512, the side wall of the second support rod 32 close to the inner wall of the second guide groove 512 is fixedly connected with a second guide block 511, and the second guide block 511 can slide along the second guide groove 512.
When the printing device 3 needs to move in the longitudinal position of the plane of the operation panel 1, the output shaft of the second forward and backward rotation motor 54 drives the second screw 53 to rotate, the second screw 53 drives the second support rod 32 to move along the sliding groove 52, and the second support rod 32 drives the top beam 31 and the printing device 3 to move in the longitudinal position of the plane of the operation panel 1. The second guide block 511 moves along the second guide groove 512 during the movement of the second support bar 32, thereby guiding the movement of the second support bar 32.
Referring to fig. 2 and 4, the lifting assembly 6 includes a second connecting block 61 fixedly connected to the lower surface of the fixing block 42, a third connecting block 62 fixedly connected to a side wall of the second connecting block 61 far from the first screw 41, and a third forward/reverse rotation motor 63 fixedly connected to a side wall of the third connecting block 62 near the second support rod 32. Referring to fig. 4 and 5, a cavity 64 is arranged inside the third connecting block 62, a rotating rod 65 arranged parallel to the length direction of the first screw 41 is rotatably connected inside the cavity 64, and one end of the rotating rod 65 passes through the third connecting block 62 and then is fixedly connected with an output shaft of the third forward/reverse rotation motor 63.
Referring to fig. 2 and 4, a driving wheel 66 is sleeved on the rotating rod 65, and the driving wheel 66 can rotate along with the rotating rod 65. A through hole 68 vertically penetrates through the third connecting block 62, the through hole 68 is communicated with the cavity 64, and a rack 67 meshed with the driving wheel 66 is vertically arranged in the through hole 68. The top end of the rack 67 is connected with a limit plate 69, and the tail end of the rack 67 is connected with the printing device 3
Referring to fig. 2, a fourth connecting block 621 is fixedly connected to a side wall of the third connecting block 62 away from the second connecting block 61, and the fourth connecting block 621 is in threaded connection with a third screw 622. The third screw 622 is arranged in the vertical direction, the bottom of the third screw 622 is rotatably connected with a connecting plate 623 connected with the side wall of the printing device 3, the bottom of the third screw 622 penetrates through the connecting plate 623 and then is fixedly connected with a fan 624, and the fan 624 is arranged opposite to the upper surface of the operating platform 1.
When the position of printing device 3 on the vertical direction needs to be moved, the output shaft of third just reverse motor 63 drives dwang 65 and rotates, and dwang 65 drives drive wheel 66 and rotates, and drive wheel 66 drives rack 67 and moves on the vertical direction, and printing device 3 finally moves on the vertical direction under the drive of rack 67.
When the printing apparatus 3 moves in the vertical direction, the connecting plate 623 moves in the vertical direction by being driven by the printing apparatus 3. The third screw 622 is driven by the connecting plate 623 to move in the vertical direction and rotate while moving, the fan 624 is driven by the third screw 622 to rotate, and the rotation of the fan 624 blows the upper surface of the operation table 1 to accelerate the solidification of the concrete member. The third screw 622 also guides the movement of the printing device 3 in the vertical direction.
The implementation principle of the on-site 3D printing equipment for concrete in the embodiment of the application is as follows: the position of the printing apparatus 3 in the vertical direction is adjusted by the elevating assembly 6, and at this time, the position of the printing apparatus 3 in the Z-axis direction of the space is adjusted. The lateral movement assembly 4 moves the printing device 3 in a lateral direction of the plane of the operation table 1, thereby adjusting the position of the printing device 3 in the X-axis direction of the space. The longitudinal movement assembly 5 moves the printing device 3 in the longitudinal position of the plane of the operation table 1, thereby adjusting the position of the printing device 3 in the Y-axis direction of the space. The printing device 3 can move in the X-axis, Y-axis and Z-axis directions in the space surrounded by the lifting assembly 6, the transverse moving assembly 4 and the longitudinal moving assembly 5, so that the position of the printing device 3 can be flexibly adjusted.
The embodiment of the application further discloses a using method of the concrete on-site 3D printing equipment. The process of using the concrete site 3D printing apparatus is as follows:
s1: before using the equipment, drawing a 3D graph by using CAD/CAM and layering software for 3D printing according to the requirement of a concrete component to be printed, and compiling a numerical control instruction after determining the running path of a nozzle of a printing device in a layering manner according to the condition of a workpiece;
s2: when the position of the nozzle of the printing device 3 needs to be adjusted at the horizontal position of the plane of the operating platform 1, the output shaft of the first forward and reverse rotating motor 43 drives the first screw rod 41 to rotate, and the rotation of the first screw rod 41 drives the fixed block 42 to move along the direction parallel to the length direction of the first screw rod 41;
s3: when the position of the nozzle of the printing device 3 needs to be adjusted at the longitudinal position of the plane of the operation table 1, the output shaft of the second forward and reverse rotation motor 54 drives the second screw 53 to rotate, the second screw 53 drives the second support rod 32 to move along the sliding groove 52, and the second support rod 32 drives the top beam 31 and the printing device 3 to move along the longitudinal position of the plane of the operation table 1;
s4: when the position of the nozzle of the printing device 3 needs to be moved in the vertical direction, the output shaft of the third forward and reverse rotation motor 63 drives the rotating rod 65 to rotate, the rotating rod 65 drives the driving wheel 66 to rotate, the driving wheel 66 drives the rack 67 to move in the vertical direction, and the printing device 3 finally moves in the vertical direction under the driving of the rack 67;
s5: when the head position of the printing apparatus 3 is moved in the vertical direction, the connection plate 623 is moved in the vertical direction by the driving of the printing apparatus 3. The third screw 622 is driven by the connecting plate 623 to move in the vertical direction and rotate while moving, the fan 624 is driven by the third screw 622 to rotate, and the rotation of the fan 624 blows the upper surface of the operation table 1 to accelerate the solidification of the concrete member.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an on-spot 3D printing apparatus of concrete which characterized in that: the method comprises the following steps:
the operating platform (1) is used for bearing the 3D printing equipment;
a moving mechanism (2) which is arranged below the operating table (1) and can move the operating table (1);
the printing device (3), a top beam (31) is arranged above the operating platform (1), the printing device (3) is arranged between the operating platform (1) and the top beam (31), and the printing device (3) is used for printing the concrete member;
the transverse moving assembly (4) is arranged on the top beam (31) and is used for moving the printing device (3) along the transverse direction of the plane of the operating platform (1);
a longitudinal moving assembly (5) arranged on the operating platform (1) and used for moving the printing device (3) along the longitudinal direction of the plane of the operating platform (1);
and the lifting assembly (6) is arranged on the top beam (31) and is used for driving the printing device (3) to move in a direction close to or far away from the operating platform (1).
2. The concrete site 3D printing device according to claim 1, wherein: moving mechanism (2) are including setting up operation panel (1) below just is used for supporting bottom plate (21) of operation panel (1), universal wheel (22) are installed to the lower surface four corners department of bottom plate (21), vertically be equipped with a plurality of first bracing pieces (23) between bottom plate (21) and operation panel (1).
3. The concrete site 3D printing device according to claim 2, wherein: be provided with two second bracing pieces (32) between operation panel (1) and back timber (31), lateral shifting subassembly (4) include all rotate first screw rod (41) of being connected with the lateral wall that two second bracing pieces (32) are relative, fixed block (42) have been cup jointed in first screw rod (41), fixed block (42) below is connected with printing device (3), any end connection of first screw rod (41) has first positive reverse motor (43) of drive first screw rod (41) pivoted, be provided with between fixed block (42) and back timber (31) and play guide assembly (44) of guide effect to fixed block (42) along the length direction's of first screw rod (41) removal.
4. On-spot 3D printing apparatus of concrete according to claim 3, characterized in that: the guide assembly (44) comprises first guide grooves (441) formed in two side walls of the top beam (31) in the length direction, the two side walls of the fixed block (42) in the length direction of the first screw rod (41) are respectively connected with a first L-shaped guide block (442), and one end, far away from the fixed block (42), of the first guide block (442) is inserted into the first guide groove (441) and can slide in the length direction of the first guide groove (441).
5. On-spot 3D printing apparatus of concrete according to claim 4, characterized in that: longitudinal movement subassembly (5) are provided with two, and two longitudinal movement subassemblies (5) all include one set up respectively in second bracing piece (32) below and with operation panel (1) upper surface fixed connection's first connecting block (51), two supply second bracing piece (32) male sliding tray (52) are all seted up inwards to the upper surface of first connecting block (51) along length direction, two sliding tray (52) all rotate and are connected with second screw rod (53) that set up along sliding tray (52) length direction, two the bottom of second bracing piece (32) respectively with second screw rod (53) threaded connection, any end connection of second screw rod (53) has drive second screw rod (53) to carry out pivoted second motor (54) that just reverses.
6. On-spot 3D printing apparatus of concrete according to claim 5, characterized in that: lifting unit (6) include with the lower fixed surface of fixed block (42) second connecting block (61) of being connected, lateral wall fixedly connected with third connecting block (62) of first screw rod (41) are kept away from to second connecting block (61), third connecting block (62) inside is provided with die cavity (64), die cavity (64) internal rotation is connected with dwang (65) with first screw rod (41) length direction parallel arrangement, third connecting block (62) is passed and be provided with drive dwang (65) pivoted third positive reverse motor (63) to one end of dwang (65), drive wheel (66) have been cup jointed on dwang (65), through-hole (68) have been seted up to vertical running through in third connecting block (62), through-hole (68) and die cavity (64) intercommunication, vertically be provided with in through-hole (68) with drive wheel (66) meshed rack (67), the top end of the rack (67) is connected with a limiting plate (69), and the tail end of the rack (67) is connected with the printing device (3).
7. On-spot 3D printing apparatus of concrete according to claim 6, characterized in that: lateral wall fixedly connected with fourth connecting block (621) that second connecting block (61) was kept away from in third connecting block (62), fourth connecting block (621) threaded connection has third screw rod (622) of setting in vertical direction, the bottom of third screw rod (622) is rotated and is connected with connecting plate (623), connecting plate (623) are connected with printing device (3)'s lateral wall, be provided with fan (624) behind connecting plate (623) is passed to the bottom of third screw rod (622).
8. Use of a concrete site 3D printing apparatus, characterized in that a printing apparatus according to any of claims 1-7, comprises the steps of:
s1: before using the concrete on-site 3D printing equipment, drawing a 3D graph by using CAD/CAM and layering software for 3D printing according to the requirements of a concrete component to be printed, and compiling a numerical control instruction after determining the operation path of a nozzle of a printing device in a layering manner according to the condition of a workpiece;
s2: when the position of a spray head of the printing device 3 needs to be adjusted in the transverse direction of the plane of the operating platform (1), a first forward and reverse rotating motor (43) is started firstly, a first output shaft drives a first screw rod (41) to rotate, and the rotation of the first screw rod (41) drives a fixed block (42) to move along the direction parallel to the length direction of the first screw rod (41);
s3: when the position of a spray head of the printing device (3) needs to be adjusted at the longitudinal position of the plane of the operating platform (1), an output shaft of a second forward and reverse rotation motor (54) drives a second screw rod (53) to rotate, the second screw rod (53) drives a second supporting rod (32) to move along a sliding groove (52), and the second supporting rod (32) drives a top beam (31) and the printing device (3) to move along the longitudinal position of the plane of the operating platform (1);
s4: when the position of a spray head of the printing device (3) needs to be moved in the vertical direction, an output shaft of a third forward and reverse rotation motor (63) drives a rotating rod (65) to rotate, the rotating rod (65) drives a driving wheel (66) to rotate, the driving wheel (66) drives a rack (67) to move in the vertical direction, and the printing device (3) is finally driven by the rack (67) to move in the vertical direction;
s5: when the position of a spray head of the printing device 3 moves in the vertical direction, the connecting plate (623) is driven by the printing device (3) to move in the vertical direction, the third screw (622) is driven by the connecting plate (623) to move in the vertical direction and rotate while moving, the fan (624) is driven by the third screw (622) to rotate, and the rotation of the fan (624) blows the upper surface of the operating table (1) so as to accelerate the solidification of the concrete member.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210169739.XA CN114474300B (en) | 2022-02-23 | 2022-02-23 | Concrete site 3D printing equipment and application method thereof |
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| CN202210169739.XA CN114474300B (en) | 2022-02-23 | 2022-02-23 | Concrete site 3D printing equipment and application method thereof |
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| CN114474300B CN114474300B (en) | 2023-11-14 |
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| Publication number | Publication date |
|---|---|
| CN114474300B (en) | 2023-11-14 |
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