CN209903477U - Multi-channel pipe joint, cement nozzle device and cement product 3D printer - Google Patents
Multi-channel pipe joint, cement nozzle device and cement product 3D printer Download PDFInfo
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- CN209903477U CN209903477U CN201920096294.0U CN201920096294U CN209903477U CN 209903477 U CN209903477 U CN 209903477U CN 201920096294 U CN201920096294 U CN 201920096294U CN 209903477 U CN209903477 U CN 209903477U
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Abstract
The utility model provides a multi-channel pipeline joint, a cement spray head device and a cement product 3D printer, which comprise an input pipeline and a group of output pipelines, wherein the input pipeline is provided with a pipeline joint inlet and an installation part for installing the multi-channel pipeline joint; a filter screen for filtering is fixedly arranged in the input pipeline; one end of the input pipeline is respectively communicated with the feed inlets of the output pipelines; a filter residue cleaning port is arranged on the side wall of the pipe of the input pipeline, and a cover plate is detachably arranged on the filter residue cleaning port; the filter screen and the filter residue cleaning port are both positioned between the pipeline joint inlet and each output pipeline; and the filter residue cleaning port is positioned between the inlet of the pipeline joint and the filter screen. The utility model is used for improve the printing efficiency of cement products 3D printer.
Description
Technical Field
The utility model relates to a cement product prints the field, specifically is a multichannel pipe joint, cement shower nozzle device and cement product 3D printer, mainly used prints the cement sculpture.
Background
Three-dimensional printing (i.e., three-dimensional printing) is a technique for constructing an object by layer-by-layer printing using an adhesive material such as powdered metal or plastic on the basis of a digital model file. Have been used for manufacturing models in the fields of mold manufacturing, industrial design and the like, and are now used for direct manufacturing of cement products, such as cement sculpture products.
Cement products 3D printer adopts three-dimensional printing technique to print the printer of cement sculpture goods among the prior art, and it sets the shower nozzle that is used for cement to print, carries out cement printing through its shower nozzle during the use.
However, the existing 3D printer for cement products is often provided with only one nozzle for cement printing, that is, a printing nozzle, and the printing efficiency is relatively low.
As known to the public, the printing efficiency of cement printing can be increased to a certain extent by increasing the number of printing spray heads of the cement product 3D printer. And through the mode that the multichannel pipe joint connects, increase the quantity of output passageway, and then increase the quantity of printing the shower nozzle through the passageway that increases, be a mode of the quantity of the shower nozzle of addding cement products 3D printer.
However, in view of the adhesiveness of cement materials, the multi-channel pipe joint in the prior art is likely to cause a blockage problem when used for expanding or increasing a spray head for cement printing of a cement product 3D printer, and once the blockage phenomenon occurs, the existing multi-channel pipe joint is inconvenient to dredge the blockage on the basis of not being detached, is inconvenient to use, and restricts the progress of cement printing work.
In addition, most of the existing cement product 3D printers adopt a constructed frame for printing, that is, most of the existing cement product 3D printers need to construct a corresponding frame in advance for a cement sculpture product to be printed out, and the printing nozzles are used for three-dimensional printing based on the constructed frame, so that the use is inconvenient.
In addition, in view of the adhesiveness of cement materials, the nozzle of the printing nozzle of the existing cement product 3D printer is easily blocked, which limits the printing efficiency of the cement product 3D printer to a certain extent.
In addition, for the existing cement product 3D printer, when an undesirable part is printed in the cement printing process, a mud knife needs to be additionally found to correct the undesirable part, so that the printing efficiency of the cement product 3D printer is limited to a certain extent.
This is a disadvantage of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that, to prior art not enough, provide a multichannel pipe joint, cement shower nozzle device and cement products 3D printer for improve the printing efficiency of cement products 3D printer.
In order to solve the technical problem, the utility model provides a multi-channel pipeline joint, which comprises an input pipeline and a group of output pipelines, wherein the input pipeline is provided with a pipeline joint inlet and an installation part for installing the multi-channel pipeline joint;
a filter screen for filtering is fixedly arranged in the input pipeline;
one end of the input pipeline is respectively communicated with the feed inlets of the output pipelines;
a filter residue cleaning port is arranged on the side wall of the pipe of the input pipeline, and a cover plate is detachably arranged on the filter residue cleaning port;
the filter screen and the filter residue cleaning port are both positioned between the pipeline joint inlet and each output pipeline; and the filter residue cleaning port is positioned between the inlet of the pipeline joint and the filter screen.
Wherein as a further definition of the multi-channel pipe joint:
a flow sensor is arranged in the input pipeline; and the flow sensor is positioned between the filter residue cleaning port and the pipeline joint inlet.
Wherein as a further definition of the multi-channel pipe joint:
the pipeline joint inlet is arranged on the side wall of the input pipeline;
the installation part adopts a flange, and the flange is sleeved at one end of the input pipeline, which is far away from each output pipeline.
In addition, the utility model also provides a cement spray head device, which comprises the multi-way pipeline joint and a group of spray heads which are all provided with control valves;
the output pipelines and the spray heads are equal in number and correspond to each other one by one; the output end of each output pipeline is respectively communicated with the corresponding spray head through a communicating pipeline.
Wherein, as a further limitation to the cement nozzle device:
the pipeline joint inlet is arranged on the side wall of the input pipeline;
the installation part adopts a flange, and the flange is sleeved at one end of the input pipeline, which is far away from each output pipeline.
Wherein, as a further limitation to the cement nozzle device:
the spray head comprises a cement conveying cylinder and a spray nozzle;
the top end of the cement conveying cylinder is provided with a mounting flange, the side wall of the upper end of the cement conveying cylinder is provided with a cement filling port for filling cement into the cement conveying cylinder, and the bottom of the cement conveying cylinder is communicated with a cement inlet of the nozzle;
the nozzle is cylindrical and is provided with an electric control valve;
a second conveying screw rod is rotatably arranged in the cement conveying cylinder, the second conveying screw rods are distributed along the length direction of the cement conveying cylinder, and the lower end of the second conveying screw rod is positioned below the cement filling port;
and a second screw rod driving motor is fixed on the outer side wall of the cement conveying cylinder, and an output shaft of the second screw rod driving motor drives the second conveying screw rod through a transverse rotation-longitudinal rotation driving assembly.
As a further limitation to the cement nozzle device:
and at least one mud knife for correcting printing is arranged on the outer side wall of the nozzle, and the cutting edge of the mud knife is lower than the cement spraying port of the nozzle.
In addition, the utility model also provides a cement product 3D printer, this cement product 3D printer include the supporting seat with running gear, the six degree of freedom arms fixedly installed on the supporting seat, install the cement bin on the supporting seat, as above-mentioned cement shower nozzle device, and be used for transporting the cement in the cement bin to the cement transport mechanism in the shower nozzle of the said cement shower nozzle device;
the cement nozzle device is fixed at the tail end of the six-degree-of-freedom mechanical arm through the mounting part of the multi-channel pipeline joint of the cement nozzle device; each spray head of the cement spray head device is fixedly arranged below the multi-channel pipeline joint;
and each spray head is positioned above one side of the supporting seat and can move in a vertical plane vertical to the walking direction of the walking mechanism.
Wherein, as a further limitation to the cement product 3D printer:
the walking mechanism is driven by the electric control driving mechanism;
the top of the cement storage tank is provided with a cement injection port, and the bottom of the cement storage tank is provided with a cement outlet;
the cement conveying mechanism comprises a cement conveying pipe and a conveying power mechanism for pressing cement in the cement storage tank into a cement outlet;
the cement outlet is communicated with the pipeline joint inlet of the multi-way pipeline joint through the cement conveying pipe.
Wherein, as a further limitation to the cement product 3D printer:
the conveying power mechanism comprises a first conveying screw rod and a first screw rod driving motor, wherein the first conveying screw rod is vertically distributed, and the first screw rod driving motor is used for driving the first conveying screw rod to extrude and convey cement into a cement outlet;
first carry the hob be located the cement bin, first hob driving motor fix the top at the cement bin, the top of first transport hob rotationally passes the roof and the output shaft coaxial coupling of first hob driving motor of cement bin.
Compared with the prior art, the utility model has the advantages of:
(1) the multi-channel pipeline joint of the utility model comprises an input pipeline and a group of output pipelines, wherein a filter screen used for filtering is fixedly arranged in the input pipeline, a cover plate is detachably arranged on the pipe side wall of the input pipeline, and a filter residue cleaning port which are matched with the filter screen are arranged on the pipe side wall of the input pipeline, wherein the filter screen is used for filtering substances flowing in the pipeline in the input pipeline, the cover plate can be detached from the filter residue cleaning port, so that the filter residue cleaning port can be conveniently used for cleaning filter residues on the filter screen, and further the multi-channel pipeline joint can be conveniently dredged, which is helpful for preventing the blockage of the multi-channel pipeline joint to a certain extent, thus being helpful for improving the smoothness of cement conveying of a cement product 3D printer when the multi-channel pipeline joint is applied to the cement conveying of the cement product 3D printer, and then help follow-up printing efficiency who improves cement products 3D printer.
(2) Multi-channel pipe joint, ann has flow sensor in its input pipeline, this flow sensor is located between filter residue clearance mouth and the pipe joint import for when the filter screen filters out the filter residue (be promptly for the cement that is not conform to the requirement) submergence flow sensor, send alarm signal, so that the user in time clears up the filter residue on the filter screen, and then ensures the normal filtration of multi-channel pipe joint's filter screen.
(3) Cement shower nozzle device, ann has on it the multi-channel pipe joint, have all advantages that multi-channel pipe joint, for simplifying the description structure, no longer give unnecessary details here.
(4) Cement shower nozzle device, rotationally ann has the second in its cement transport section of thick bamboo to carry the hob, this second is carried the hob and is passed through second hob driving motor drive, during the use, rotates drive second through second hob driving motor and carries the hob, the second is carried the hob and is rotated and carry the cement in the cement transport section of thick bamboo to the shower nozzle in order to supply to print, this has reduced the emergence probability of the phenomenon of the nozzle of cement jam shower nozzle to a certain extent, helps improving then to a certain extent cement blowout efficiency of cement shower nozzle device, then will cement shower nozzle device when being applied to cement goods 3D printer, help improving the cement printing efficiency of cement goods 3D printer.
(5) Cement shower nozzle device, be equipped with on the nozzle of its shower nozzle and be used for revising the mud sword of printing, when cement printing in-process appears printing the unsatisfactory part, be convenient for revise printing the unsatisfactory part, avoided printing the in-process to the look for of mud sword, it is visible will cement shower nozzle device when being applied to cement goods 3D printer, help improving the cement printing efficiency of cement goods 3D printer.
(6) Cement products 3D printer, ann has on it the cement shower nozzle device, have the whole advantages of cement shower nozzle device, it is visible can improve the printing efficiency of cement products 3D printer to a certain extent.
(7) Cement products 3D printer, its supporting seat that adopts six degree of freedom arms and have running gear, the equal fixed mounting of each shower nozzle of cement shower nozzle device is in the below that the pipe joint that leads to more, each the shower nozzle all be located one side top of supporting seat and can move in the vertical plane of perpendicular to running gear's walking direction, avoided in to the background art the buildding of frame for need not build in the background art the frame, just can realize the three-dimensional printing of cement products, the convenience that can increase cement products 3D printer and use is visible.
(8) Cement products 3D printer, the integration has a plurality of shower nozzles on the cement shower nozzle device that is equipped with on it, during the use, can a plurality of shower nozzles use simultaneously, it is thus convenient for improve the printing efficiency of cement products 3D printer to a certain extent.
Therefore, compared with the prior art, the utility model has the substantive characteristics and the progress, and the beneficial effects of the implementation are also obvious.
Drawings
Fig. 1 is a schematic structural view of a multi-channel pipe joint according to embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of a multi-channel pipe joint according to embodiment 2 of the present invention.
Fig. 3 is a schematic structural diagram of a cement nozzle device according to embodiments 3, 4, 5 and 6 of the present invention.
Fig. 4 is an embodiment of the spray head shown in fig. 3.
Fig. 5 is another embodiment of the spray head shown in fig. 3.
Fig. 6 is a schematic structural diagram of a 3D printer for cement products according to embodiment 5 and embodiment 6 of the present invention.
Fig. 7 is an embodiment of the travel mechanism shown in fig. 6.
Fig. 8 is an enlarged schematic view of the point a shown in fig. 6.
Wherein: 100. the device comprises a multi-channel pipeline joint, 101, an input pipeline, 102, a filter screen, 103, a filter residue cleaning port, 104, a pipeline joint inlet, 105, an installation part, 1051, an installation hole, 106, a cover plate, 107, a bolt, 108, a first output pipeline, 109, a second output pipeline, 110, a third output pipeline, 111, a fourth output pipeline, 112 and a flow sensor; 200. a mud knife; 300. the device comprises a spray head, 301, a cement conveying cylinder, 302, a spray nozzle, 303, an electric control valve, 304, a sleeve, 305, a support rod, 306, a second conical gear, 307, a cement filling port, 308, a mounting flange, 3081, a mounting hole, 309, a first conical gear, 310, a second screw rod driving motor, 311, a support plate, 312, a rotating shaft, 313, a bearing, 314, a second conveying screw rod, 3141, a spiral blade, 315 and a cement spraying port; 400. a suspension rod; 500. a support plate; 600. a communicating pipe; 1. mounting flange, 2, first hob driving motor, 3, cement filling opening, 4, cement bin, 5, first transport hob, 6, cement export, 7, servo motor, 8, supporting seat, 9, cement conveying pipe, 10, six-degree-of-freedom mechanical arm, 11, printing nozzle, 12, walking wheel, 13, recess, 14, walking wheel, 15, servo motor.
Detailed Description
In order to make the technical solutions and advantages of the present invention clearer, the following description will clearly and completely describe the technical solutions of the present invention with reference to the accompanying drawings.
Embodiment mode 1:
fig. 1 is a specific embodiment of the multi-way pipe joint of the present invention.
Referring to fig. 1, the multi-channel joint 100 in this embodiment includes an input channel 101 and 4 output channels, where the 4 output channels are a first output channel 108, a second output channel 109, a third output channel 110, and a fourth output channel 111, and one end of the input channel 101 is respectively communicated with a feeding hole of each output channel. The input pipe 101 is provided with a pipe joint inlet 104 and a mounting portion 105 for mounting a multi-channel pipe joint. A filter screen 102 for filtering is fixed in the input pipeline 101. A filter residue cleaning opening 103 is formed in the side wall of the input pipeline 101, and a cover plate 106 is detachably mounted on the filter residue cleaning opening 103; the filter screen 102 and the filter residue cleaning port 103 are both positioned between the pipeline joint inlet 104 and each output pipeline; and the filter residue cleaning port 103 is positioned between the pipeline joint inlet 104 and the filter screen 102. Therefore, the filter screen 102 can filter substances flowing through the pipeline in the input pipeline 101, and filter residues are left on the filter screen 102; apron 106 can dismantle from filter residue clearance mouth 103, be convenient for clear up filter residue on filter screen 102 through filter residue clearance mouth 103, and then be convenient for dredge the pipe joint that leads to, this helps preventing the jam that the pipe joint that leads to a certain extent.
Preferably, the pipe joint inlet 104 is arranged on the pipe side wall of the input pipe 101; the mounting portion 105 is a flange, and is sleeved at one end of the input pipeline 101, which is far away from each output pipeline, so that the mounting is convenient.
Taking the application of the multi-channel pipe joint in the field of 3D printing of cement products as an example, correspondingly, the materials flowing through the multi-channel pipe joint are cement, and when the multi-channel pipe joint is used: the cement delivered from the outside enters the input pipeline 101 through the pipeline joint inlet 104, and is filtered by the filter screen 102 in the input pipeline 101 and then respectively enters the output pipeline. When the filter residue on the filter screen 102 needs to be cleaned, the cover plate 106 is only required to be detached from the filter residue cleaning port 103, then the filter residue on the filter screen 102 can be cleaned through the filter residue cleaning port 103, and after the cleaning is finished, the cover plate 106 detached before is reinstalled on the filter residue cleaning port 103. It can be seen that multichannel pipe joint, its when the filter residue on clearance filter screen 102, need not to carry out the dismantlement that whole multichannel pipe joint, convenient to use.
To sum up, will multichannel pipe joint when being applied to the cement of cement products 3D printer and carrying, help improving the smoothness that the cement of cement products 3D printer was carried, and then help the follow-up printing efficiency who improves the cement products 3D printer.
It should be noted that, referring to fig. 1, the multi-channel pipe joint in this embodiment is provided with a hollow-out top portion of the input pipeline 101, so that the multi-channel pipe joint can be cleaned after use, and when the multi-channel pipe joint is used by a user, whether the top portion of the input pipeline 101 is provided with the sealing cover plate can be selected according to actual needs.
Embodiment mode 2:
fig. 2 is another embodiment of the multi-way pipe joint of the present invention.
The difference from the multi-channel joint described in embodiment 1 is that the multi-channel joint 100 described in this embodiment has a flow sensor 112 mounted in the input channel 101, and the flow sensor 112 is located between the filter residue cleaning port 103 and the joint inlet 104.
Still taking the multichannel pipe joint to be used in the cement product 3D printing field as an example, correspondingly, the material that flows through in this multichannel pipe joint 100 still is cement, and during the use, when filter residue (being cement that is not qualified) on filter screen 102 submerges the position of flow sensor 112, flow sensor 112 sends alarm signal to the user clears up the filter residue on filter screen 102 in time, and then ensures the normal filtration of filter screen 102 of multichannel pipe joint.
Embodiment mode 3:
fig. 3 is a concrete embodiment of the cement nozzle device of the present invention.
Referring to fig. 3, the cement nozzle assembly according to this embodiment includes the multi-channel pipe joint (hereinafter referred to as "multi-channel pipe joint a") described in embodiment 1, and four nozzles 300 each having a control valve, wherein 4 output channels of the multi-channel pipe joint a correspond to the four nozzles 300 one by one, and an output end of each output channel is respectively communicated with the corresponding nozzle 300 through a communication channel. The control valve adopts an electric control valve.
With reference to embodiment 1, in the cement nozzle apparatus described in this embodiment, when in use, substances (for example, cement) in the 4 output pipes of the multi-pipe joint a are respectively conveyed into the corresponding nozzle 300 through the communication pipes corresponding to the 4 output pipes, so that the nozzle 300 can perform cement printing.
Referring to fig. 4, in the present embodiment, each head 300 is:
the spray head 300 comprises a cement conveying cylinder 301 and a spray nozzle 302;
the top end of the cement conveying cylinder 301 is provided with a mounting flange 308, the side wall of the upper end of the cement conveying cylinder 301 is provided with a cement filling port 307 for filling cement into the cement conveying cylinder 301, and the bottom of the cement conveying cylinder 301 is communicated with a cement inlet of the nozzle 302;
the nozzle 302 is cylindrical, and an electric control valve 303 is arranged on the nozzle 302;
a second conveying screw rod 314 is rotatably arranged in the cement conveying cylinder 301, the second conveying screw rods 314 are distributed along the length direction of the cement conveying cylinder 301, and the lower end of the second conveying screw rod 314 is positioned below the cement filling port 307;
a second screw rod driving motor 310 is fixed on the outer side wall of the cement conveying cylinder 301, and an output shaft of the second screw rod driving motor 310 drives the second conveying screw rod 314 through a transverse rotation-longitudinal rotation driving assembly;
the nozzle 302 has an inner diameter that gradually decreases from its cement inlet to its cement outlet 315.
Wherein, the cement filling port 307 of the nozzle 300 is used for filling cement into the cement conveying cylinder 301 and the nozzle 302. When cement is filled into the nozzle 300 for the first time, the cement filling port 307 is used for filling cement into the cement delivery cylinder 301 and the nozzle 302 until the nozzle 300 is filled with cement.
When the spray head 300 is used, the electric control valve 303 on the nozzle 302 is opened, the second screw rod driving motor 310 is started, the output shaft of the second screw rod driving motor 310 rotates, and the second conveying screw rod 314 is driven to rotate by the transverse rotation and longitudinal rotation driving assembly, so that cement in the cement conveying cylinder 301 is spirally conveyed to the cement spraying port 315 of the nozzle 302 for cement printing.
As can be seen, the use of the second conveying screw 314, on the one hand, can screw-press the cement in the cement conveying cylinder 301 toward the cement outlet 315 of the nozzle 302, thereby assisting the nozzle 302 in cement printing; on the other hand, can stir the cement in the cement conveying cylinder 301, and then avoid shower nozzle 300 in cement to a certain extent to block up the nozzle 302 of shower nozzle 300 to help improving to a certain extent the cement blowout efficiency of cement shower nozzle device is then will the cement shower nozzle device when being applied to cement goods 3D printer, help improving the cement printing efficiency of cement goods 3D printer.
The second conveying screw 314 in this embodiment may be replaced by a conveying screw with a helical blade 3141, a helical iron sheet, or other related conveying screws in the prior art.
In addition, referring to fig. 4, for the convenience of implementation, the transverse-rotation and longitudinal-rotation driving assembly in the present embodiment includes a rotating shaft 312 disposed in the cement conveying cylinder 301, wherein the rotating shaft 312 is perpendicular to the second conveying screw 314; one end of the rotating shaft 312 rotatably penetrates through the wall of the cement conveying cylinder 301 to be coaxially connected with the output shaft of the second screw rod driving motor 310, and the other end of the rotating shaft is provided with a first bevel gear 309; the end of the second conveying screw 314 far away from the nozzle 302 is provided with a second bevel gear 306, and the second bevel gear 306 is meshed with the first bevel gear 309. When the output shaft of the second screw driving motor 310 rotates, the output shaft of the second screw driving motor 310 drives the rotating shaft 312 to rotate synchronously, the rotating shaft 312 drives the first bevel gear 309 to rotate, the rotating shaft of the first bevel gear 309 drives the second bevel gear 306 to rotate, and the rotating shaft of the second bevel gear 306 drives the second conveying screw 314 to follow up, so that the cement in the cement conveying cylinder 301 is conveyed to the nozzle 302 through the second conveying screw 314 in a spiral manner, and the cement is used for cement printing.
Referring to fig. 4, the cement delivery cylinder 301 is rotatably provided with a second delivery screw 314, which is implemented by the following steps:
support members are rotatably installed at both upper and lower ends of the second conveying screw 314;
the ends of each support member are fixed to the inner side wall of the cement delivery cylinder 301.
Referring to fig. 4, the support assemblies each include a bearing 313 fixedly sleeved on the periphery of the second conveying screw 314, a sleeve 304 is sleeved on the periphery of the bearing 313, and the periphery of the sleeve 304 is fixed on the inner side wall of the cement conveying cylinder 301 through two support rods 305. The structure is simple.
Wherein a bearing 313 is fixed on the periphery of the second conveying screw 314, the sleeve 304 is fixed on the bearing 313, and the support bar 305, the sleeve 304 and the bearing 313 are used for supporting the second conveying screw 314 on the center line of the cement conveying cylinder 301. The cement conveying cylinder 301 is a cylinder.
Each of the heads 300 according to the present embodiment can be implemented by any of the heads used in the conventional 3D cement product printer.
In addition, it should be noted that, in a specific implementation, the transverse rotation-to-longitudinal rotation driving assembly described in this embodiment may be replaced by any transverse rotation-to-longitudinal rotation driving assembly with the same function in the prior art.
In addition, in the present embodiment, the cement supply cylinder 301 and the nozzle 302 of the head 300 are formed in an integrated structure, and the cement supply cylinder 301 and the nozzle 302 of the head 300 are arranged in a straight line.
Embodiment 4:
fig. 3 and 5 show another embodiment of the cement nozzle assembly according to the present invention.
Referring to fig. 3 and 5, the difference from embodiment 3 is that the outer side wall of the nozzle 302 of the cement sprayer 300 of the cement sprayer apparatus of the present embodiment is provided with two trowels 200 for correcting printing, the two trowels 200 are opposite to each other, and the cutting edges of both trowels are lower than the cement outlet 315 of the nozzle 302.
Carry out the in-process that cement printed at cement shower nozzle device, when appearing printing the unsatisfactory part, accessible mud sword 200 revises printing the unsatisfactory part, this has avoided printing the in-process to the look for of mud sword, it is visible with cement shower nozzle device when being applied to cement goods 3D printer, help improving the cement printing efficiency of cement goods 3D printer.
Embodiment 5:
fig. 3, fig. 4, fig. 6, fig. 7 and fig. 8 are a specific embodiment of the 3D printer for cement products according to the present invention.
Referring to fig. 6, 7 and 8, the cement product 3D printer according to the present embodiment includes a support base 8 with a traveling mechanism, a six-degree-of-freedom mechanical arm 10 fixedly mounted on the support base 8, a cement storage bin 4 mounted on the support base 8, a cement nozzle device according to embodiment 3 of the present invention, and a cement conveying mechanism for conveying cement in the cement storage bin 4 to a nozzle 300 of the cement nozzle device; the cement nozzle device is fixed at the tail end of the six-degree-of-freedom mechanical arm 10 through a mounting part 105 of a multi-channel pipeline joint of the cement nozzle device; each spray nozzle 300 of the cement spray nozzle device is fixedly arranged below the multi-channel pipeline joint; the cement nozzle device is positioned above one side of the supporting seat 8 and can move in a vertical plane perpendicular to the walking direction of the walking mechanism. The walking mechanism is driven by the electric control driving mechanism.
The use of the six-degree-of-freedom mechanical arm avoids the construction of the frame in the background technology, so that the three-dimensional printing of the cement product can be realized without constructing the frame in the background technology, and the convenience in use of the mechanical arm type cement product 3D printer can be improved.
Referring to fig. 6, a cement inlet 3 is formed at the top of the cement storage tank 4, and a cement outlet 6 is formed at the bottom of the cement storage tank; the cement conveying mechanism comprises a cement conveying pipe 9 and a conveying power mechanism for pressing cement in the cement storage tank 4 into the cement outlet 6; the cement outlet 6 is communicated with the pipeline joint inlet 104 of the multi-channel pipeline joint through the cement conveying pipe 9.
Referring to fig. 6, the conveying power mechanism includes a first conveying screw 5 which is vertically distributed, and a first screw driving motor 2 for driving the first conveying screw 5 to press and convey cement into a cement outlet 6; the first conveying screw rod 5 is positioned in the cement storage box 4, the first screw rod driving motor 2 is fixed at the top of the cement storage box 4, and the top of the first conveying screw rod 5 rotatably penetrates through the top wall of the cement storage box 4 to be coaxially connected with an output shaft of the first screw rod driving motor 2.
During the use, the cement that is used for printing that stirs the good in the external world earlier pours into cement storage tank 4 into, later carries the cement in cement storage tank 4 to the multichannel pipe joint 100 of cement shower nozzle device through cement conveying mechanism, later carries the inside to each shower nozzle 300 by the output pipeline of multichannel pipe joint 100 to supply the cement to print the use.
Running gear in this embodiment adopt 4 walking wheels, automatically controlled actuating mechanism drive and adopt four servo motor, reference numeral 700 indicates running gear and automatically controlled actuating mechanism drive, see fig. 6 and fig. 7, 4 walking wheels and four servo motor one-to-ones and cooperation use, during the use, 4 walking wheels drive through its servo motor that corresponds separately, as shown in fig. 6 and fig. 7, walking wheel 15 drives through its servo motor 14 that corresponds, walking wheel 7 drives through its servo motor 12 that corresponds, four servo motor drive its 4 walking wheels that correspond separately, thereby drive the utility model discloses the walking of cement product 3D printer. In the specific implementation, the traveling mechanism may be replaced by a sprocket traveling mechanism or a crawler traveling mechanism.
The servo motor can relatively stabilize the starting, running and stopping of the cement product 3D printer, reduce or even prevent the interference on the printing work of the cement product 3D printer to a certain extent, and play a role in energy conservation to a certain extent.
It should be noted that, referring to fig. 6, the six-degree-of-freedom robot arm 10 of the present invention includes a first robot arm 10.1, a second robot arm 10.2 and a third robot arm 10.3, which are cooperatively used, wherein a first end (with a mounting base) of the first robot arm 10.1 is fixed on an upper end surface of the supporting base 8, the third robot arm 10.3 has a terminal end (with a mounting flange 1 thereon, an end for mounting the cement sprayer device, the third robot arm 10.3, is located above and beside the supporting base 8, a second end of the first robot arm 10.1 and a first end of the second robot arm 10.2, a second end of the second robot arm 10.2 and an end of the third robot arm 10.3, which is far away from the end for mounting the cement sprayer device, are movably connected by a robot arm movable connection device, respectively, wherein the first robot arm 10.1, the second robot arm 10.2 and the third robot arm 10.3 are located on the same plane, mark this plane as plane M, this plane M with running gear's walking direction is perpendicular, and first arm 10.1, second arm 10.2 and third arm 10.3 all are located this plane M, and second arm 10.2's second end can use the second end of first arm 10.1 to move in plane M as the fulcrum, and the one end that is used for installing the cement shower nozzle device of third arm 10.3 can use the second end of second arm 10.2 to move in plane M as the fulcrum, and the one end that is used for installing the cement shower nozzle device of visible third arm 10.3 can be at the vertical in-plane motion of the walking direction of perpendicular to running gear.
It should be noted that, in the present invention, the six-degree-of-freedom mechanical arm 10, each corresponding component thereof, for example, the mechanical arm movable connecting device, can be implemented by any related technology having corresponding functions in the prior art, and this is the prior art and is not repeated herein.
It should be noted that, referring to fig. 6, for the convenience of implementation, the support base 8 is provided with a groove 13 for accommodating the cement outlet 6 and a portion of one end of the cement delivery pipe 9 communicating with the cement outlet 6, the groove 13 is a rectangular groove, and the width of the groove 13 does not affect the stability of the installation of the cement storage tank 4, for example, when the cement outlet 6 has the same diameter as the cement delivery pipe 9, the width of the groove 13 is equal to or slightly larger than the diameter of the cement outlet 6 (or the diameter of the cement delivery pipe 9) (i.e., the width of the groove 13) compared with the diameter of the cement outlet 6 (or the diameter of the cement delivery pipe 9)).
In addition, each directional word in the present invention is based on fig. 1.
It should be noted that, in a specific implementation of the present invention, the electric control of the various electric control components (such as the servo motor, the six-degree-of-freedom mechanical arm 10, the cement conveying mechanism, and the electric control valve 303) involved in the cement product 3D printer can be realized through an external control device, and the corresponding working process specifically includes five aspects shown in the following (1) to (5):
(1) before cement printing work starts, firstly, stirred cement is filled into a cement storage tank 4 through a cement filling opening 3, then an external control device controls a first screw rod driving motor 2 to work, then the cement in the cement storage tank 4 is conveyed to a multi-channel pipeline joint 100 of a cement spray head device through a cement conveying mechanism, then the cement is conveyed to the inside of each spray head 300 through an output pipeline of the multi-channel pipeline joint 100, and the cement conveying to the inside of the printing spray head 11 is stopped after a certain amount of cement is stored in each spray head 300;
(2) when the printing work is started, according to the preset printing drawing requirement, the traveling mechanism and the six-degree-of-freedom mechanical arm 10 are controlled to move in the accurate position direction through an external control device, after each spray head 300 is positioned, the electric control valve 303 is controlled to be opened through the external control device, and each spray head 300 starts to perform cement printing; in the cement printing process, an external control device controls a travelling mechanism to travel and controls a six-degree-of-freedom mechanical arm 10 to drive each spray head 300 to move according to the requirement of a preset printing drawing so as to ensure that a printed product is consistent with the required requirement;
(3) in the cement printing process, whether filter residues on a filter screen 102 in a multi-channel pipeline joint 100 of a cement sprayer device submerge the position of the flow sensor is judged in real time based on a detection value sent by the flow sensor, if so, an external control device sends out alarm information so as to clean the filter residues on the filter screen 102 in time and ensure the smooth cement printing;
(4) after the printing in the current area is completed, the external control device controls the electric control valve 303 to close, and the nozzle 303 is moved to the next area to be printed and then is started to print.
Embodiment 6:
fig. 3, 5, 6, 7 and 8 are another specific embodiment of the 3D printer for cement products according to the present invention.
Compared with the concrete embodiment 5, the difference is that the cement product 3D printer according to the present embodiment is provided with two trowels 200 for correcting printing on the outer side wall of the nozzle 302, and the two trowels 200 are opposite to each other and have their cutting edges lower than the cement discharge port 315 of the nozzle 302.
In-process that cement was printed at cement goods 3D printer, when appearing printing unsatisfactory place, accessible mud sword 200 revises printing unsatisfactory place, and this has avoided printing the in-process to the searching of mud sword, and it is seen that it has guaranteed the aesthetic property of goods, has also improved the cement printing efficiency of cement goods 3D printer to a certain extent.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A multi-channel pipe joint comprising an input pipe (101) and a set of output pipes, characterized in that:
the input pipeline (101) is provided with a pipeline joint inlet (104) and a mounting part (105) for mounting a multi-way pipeline joint;
a filter screen (102) for filtering is fixedly arranged in the input pipeline (101);
one end of the input pipeline (101) is respectively communicated with the feed inlets of the output pipelines;
a filter residue cleaning port (103) is arranged on the side wall of the pipe of the input pipeline (101), and a cover plate (106) is detachably arranged on the filter residue cleaning port (103);
the filter screen (102) and the filter residue cleaning port (103) are both positioned between the pipeline joint inlet (104) and each output pipeline; and the filter residue cleaning opening (103) is positioned between the pipeline joint inlet (104) and the filter screen (102).
2. The multi-channel joint of claim 1, wherein:
a flow sensor (112) is arranged in the input pipeline (101);
and the flow sensor (112) is positioned between the filter residue cleaning port (103) and the pipeline joint inlet (104).
3. The multi-channel pipe joint of claim 1 or 2, wherein:
the pipeline joint inlet (104) is arranged on the side wall of the input pipeline (101);
the mounting part (105) adopts a flange, and is sleeved at one end of the input pipeline (101) far away from each output pipeline.
4. The utility model provides a cement shower nozzle device which characterized in that:
comprising a multi-channel pipe joint according to claim 1 or 2, and a set of spray heads (300) each with a control valve;
the number of the output pipelines is equal to that of the spray heads (300), and the output pipelines and the spray heads correspond to each other one by one; the output end of each output pipeline is respectively communicated with the corresponding spray head (300) through a communication pipeline.
5. A cement nozzle assembly according to claim 4, wherein:
the pipeline joint inlet (104) is arranged on the side wall of the input pipeline (101);
the mounting part (105) adopts a flange, and is sleeved at one end of the input pipeline (101) far away from each output pipeline.
6. A cement nozzle assembly according to claim 4, wherein:
the spray head (300) comprises a cement conveying cylinder (301) and a spray nozzle (302);
the top end of the cement conveying cylinder (301) is provided with a mounting flange (308), the side wall of the upper end of the cement conveying cylinder (301) is provided with a cement filling port (307) for filling cement into the cement conveying cylinder (301), and the bottom of the cement conveying cylinder (301) is communicated with a cement inlet of the nozzle (302);
the nozzle (302) is cylindrical, and an electric control valve (303) is arranged on the nozzle (302);
a second conveying screw rod (314) is rotatably arranged in the cement conveying cylinder (301), the second conveying screw rods (314) are distributed along the length direction of the cement conveying cylinder (301), and the lower end of the second conveying screw rod (314) is positioned below the cement filling opening (307);
a second screw rod driving motor (310) is fixed on the outer side wall of the cement conveying cylinder (301), and an output shaft of the second screw rod driving motor (310) drives the second conveying screw rod (314) through a transverse rotation-longitudinal rotation driving assembly.
7. A cement nozzle assembly according to claim 6, wherein:
the outer side wall of the nozzle (302) is provided with at least one mud knife (200) for correcting printing, and the cutting edge of the mud knife (200) is lower than the cement spraying port (315) of the nozzle (302).
8. The utility model provides a cement product 3D printer which characterized in that:
the 3D printer for cement products comprises a supporting seat (8) with a traveling mechanism, a six-degree-of-freedom mechanical arm (10) fixedly arranged on the supporting seat (8), a cement storage tank (4) arranged on the supporting seat (8), a cement sprayer device as claimed in claim 4 or 5 or 6 or 7, and a cement conveying mechanism used for conveying cement in the cement storage tank (4) to a sprayer (300) of the cement sprayer device;
the cement nozzle device is fixed at the tail end of the six-degree-of-freedom mechanical arm (10) through a mounting part (105) of a multi-channel pipeline joint of the cement nozzle device; each spray head (300) of the cement spray head device is fixedly arranged below the multi-channel pipeline joint;
and each spray head (300) is positioned above one side of the supporting seat (8) and can move in a vertical plane vertical to the walking direction of the walking mechanism.
9. The cementitious product 3D printer of claim 8, wherein:
the walking mechanism is driven by the electric control driving mechanism;
the top of the cement storage tank (4) is provided with a cement injection port (3), and the bottom is provided with a cement outlet (6);
the cement conveying mechanism comprises a cement conveying pipe (9) and a conveying power mechanism for pressing cement in the cement storage tank (4) into the cement outlet (6);
the cement outlet (6) is communicated with a pipeline joint inlet (104) of the multi-channel pipeline joint through the cement conveying pipe (9).
10. The cementitious product 3D printer of claim 9, wherein:
the conveying power mechanism comprises a first conveying screw rod (5) which is vertically distributed and a first screw rod driving motor (2) which is used for driving the first conveying screw rod (5) to extrude and convey cement into a cement outlet (6);
first transport hob (5) be located cement storage box (4), first hob driving motor (2) fix at the top of cement storage box (4), the roof of cement storage box (4) is rotationally passed at the top of first transport hob (5) and the output shaft coaxial coupling of first hob driving motor (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920096294.0U CN209903477U (en) | 2019-01-21 | 2019-01-21 | Multi-channel pipe joint, cement nozzle device and cement product 3D printer |
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| CN201920096294.0U CN209903477U (en) | 2019-01-21 | 2019-01-21 | Multi-channel pipe joint, cement nozzle device and cement product 3D printer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514691A (en) * | 2019-01-21 | 2019-03-26 | 齐鲁工业大学 | A kind of multi-pass pipe joint, cement ejecting device and cement products 3D printer |
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2019
- 2019-01-21 CN CN201920096294.0U patent/CN209903477U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514691A (en) * | 2019-01-21 | 2019-03-26 | 齐鲁工业大学 | A kind of multi-pass pipe joint, cement ejecting device and cement products 3D printer |
| CN109514691B (en) * | 2019-01-21 | 2023-12-29 | 齐鲁工业大学 | Multi-way pipeline joint, cement spray head device and cement product 3D printer |
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Address after: 250300 No. 3501 University Road, Changqing District, Jinan City, Shandong Province Patentee after: Qilu University of Technology Patentee after: Shandong Dongyuan Building Energy Conservation Technology Co.,Ltd. Address before: 250300 No. 3501 University Road, Changqing District, Jinan City, Shandong Province Patentee before: Qilu University of Technology Patentee before: JINAN DONGYUAN CEMENT PRODUCTS Co.,Ltd. |
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