CN210105324U - Large-scale cement 3D printing apparatus - Google Patents
Large-scale cement 3D printing apparatus Download PDFInfo
- Publication number
- CN210105324U CN210105324U CN201920096296.XU CN201920096296U CN210105324U CN 210105324 U CN210105324 U CN 210105324U CN 201920096296 U CN201920096296 U CN 201920096296U CN 210105324 U CN210105324 U CN 210105324U
- Authority
- CN
- China
- Prior art keywords
- sensor
- vertical
- driving assembly
- spray head
- sliding block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004568 cement Substances 0.000 title claims abstract description 23
- 238000010146 3D printing Methods 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 34
- 239000007921 spray Substances 0.000 claims abstract description 33
- 238000001125 extrusion Methods 0.000 claims abstract description 22
- 239000000725 suspension Substances 0.000 claims abstract 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 55
- 230000033001 locomotion Effects 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000010276 construction Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 8
- 239000000654 additive Substances 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Abstract
The utility model provides a large-scale cement 3D printing apparatus, include: the automatic feeding device comprises a movable chassis, a material box, a mechanical arm, a spray head and a control unit, wherein the material box is arranged on the movable chassis; the spray head is communicated with the feed box through a hose; the mechanical arm comprises a vertical supporting column and a horizontal cantilever, and the vertical supporting column is connected with the horizontal cantilever; the vertical supporting column comprises a telescopic upright column, a rotating platform and a vertical driving assembly, the vertical upright column is installed on the rotating platform, the rotating platform is installed inside the movable chassis, and the vertical driving assembly is installed inside the telescopic upright column; the horizontal suspension arm comprises a suspension arm, a sliding block and a horizontal driving assembly, the sliding block is movably connected with the suspension arm, and the horizontal driving assembly is connected with the sliding block; the sliding block is connected with the spray head; an extrusion device is arranged in the material box; the control unit is connected with the extrusion device, the movable chassis, the rotating platform, the vertical driving assembly and the horizontal driving assembly.
Description
Technical Field
The utility model belongs to the technical field of cement printing, concretely relates to large-scale cement 3D printing apparatus.
Background
The additive manufacturing is a new manufacturing technology for manufacturing solid objects by stacking materials layer by layer on the basis of a digital model, embodies the close combination of an information network technology, an advanced material technology and a digital manufacturing technology, and is an important component of the advanced manufacturing industry. The technology development of additive manufacturing equipment, forming process and the like is more and more mature, and in recent years, building additive manufacturing is widely applied in the industrial field, and the traditional production mode and the life mode are rapidly changed. Currently, additive manufacturing technologies have shifted from research and development to industrial applications that are deeply integrated with information network technologies or will bring revolutionary impact to traditional manufacturing industries. Accelerating the development of additive manufacturing technology, forming industrial scale as soon as possible, and having important significance for promoting the transformation and upgrade of manufacturing industry in China.
However, the automation degree of the existing 3D printing equipment is low, manual control construction is mostly adopted, a clamping plate of a construction model needs to be set in advance, then the manual control 3D printing equipment fills cement, the mode needs an operator to have certain construction experience, improper operation possibly causes the problem of uneven cement filling, and construction quality is affected.
SUMMERY OF THE UTILITY MODEL
Not enough to the above-mentioned of prior art, the utility model provides a large-scale cement 3D printing apparatus to solve above-mentioned technical problem.
The utility model provides a large-scale cement 3D printing apparatus, include: the automatic feeding device comprises a movable chassis, a material box, a mechanical arm, a spray head and a control unit, wherein the material box is arranged on the movable chassis; the spray head is communicated with the feed box through a hose; the mechanical arm comprises a vertical supporting column and a horizontal cantilever, and the vertical supporting column is connected with the horizontal cantilever; the vertical supporting column comprises a telescopic upright column, a rotating platform and a vertical driving assembly, the vertical upright column is arranged on the rotating platform, the rotating platform is arranged in the movable chassis, and the vertical driving assembly is arranged in the telescopic upright column; the horizontal cantilever comprises a cantilever, a sliding block and a horizontal driving assembly, the sliding block is movably connected with the cantilever, and the horizontal driving assembly is connected with the sliding block; the sliding block is connected with the spray head; an extrusion device is arranged in the material box; the control unit is connected with the extrusion device, the movable chassis, the rotating platform, the vertical driving assembly and the horizontal driving assembly.
Further, the movable base includes a servo motor and a plurality of wheels, and the wheels are driven by the servo motor through a transmission device.
Furthermore, a hydraulic balance supporting device is arranged on the movable chassis.
The feed box comprises a feed port and a discharge port, and the feed port is communicated with the discharge port of the charging car through a feeding pipe; the discharge hole is provided with a hose communicated with the spray head; the extrusion device comprises an extrusion plate and a hydraulic cylinder which are oppositely arranged in the material box, and the extrusion plate is connected with the hydraulic cylinder through a hydraulic transmission assembly.
Further, a water inlet and a water outlet are arranged in the material box, and the water inlet is communicated with the water tank through a water inlet pipe; the water outlet is communicated with a water pump through a first water outlet pipe, the water pump is communicated with a water outlet shower head through a second water outlet pipe, and the water outlet shower head is arranged in the spray head.
Furthermore, a pressure sensor is arranged in the material box and connected with the control unit.
Further, the shower nozzle still includes the shower nozzle discharge gate, the shower nozzle discharge gate is elasticity cladding wall and connects on the shower nozzle, the shower nozzle discharge gate is equipped with the support frame of matching, the support frame can be dismantled with the shower nozzle and be connected.
Further, the apparatus further comprises: the device comprises a positioning sensor, a flowmeter, a vertical telescopic sensor, a rotary platform sensor and a slide block motion sensor, wherein the positioning sensor is fixedly arranged on a movable chassis; the flowmeter is arranged in the spray head; the vertical telescopic sensor is arranged on a vertical driving component of the vertical supporting column; the rotary platform sensor is arranged on the rotary platform; the slide block motion sensor is arranged on the slide block; the positioning sensor, the flowmeter, the vertical telescopic sensor, the rotary platform sensor and the slide block motion sensor are all electrically connected with the control unit.
The utility model has the advantages that,
the utility model provides a large-scale cement 3D printing apparatus and control method, through the control unit collection equipment locating information and motion information to the flow information of collection shower nozzle department realizes the rational planning to shower nozzle movement route according to the position parameter of construction model, and carries out the management and control to shower nozzle velocity of motion automatically. The utility model discloses a set up the control unit and gather various construction parameters in real time and realize having guaranteed construction quality to the automatic control of large-scale cement 3D printing apparatus.
Furthermore, the utility model relates to a principle is reliable, and simple structure has very extensive application prospect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of a large cement 3D printing apparatus provided by the present invention;
fig. 2 is a schematic structural diagram of a charging carriage of the large cement 3D printing apparatus provided by the present invention;
wherein, 1, a movable chassis; 2. a wheel; 3. a hydraulic balance support device; 4. rotating the platform; 5. a material box; 51. a feed inlet; 52. a discharge port; 6. a spray head; 7. a nozzle discharge hole; 8. a horizontal cantilever; 9. a vertical support column; 10. a water tank; 101. a water inlet; 11. charging a car; 111 charge car feed inlet; 112. and a discharge port of the charging car.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
This embodiment provides a large-scale cement 3D printing apparatus, includes: the automatic feeding device comprises a movable chassis 1, a material box 5, a mechanical arm, a spray head 6 and a control unit, wherein the material box 5 is arranged on the movable chassis 1, the material box comprises a feeding hole 51 and a discharging hole 52, and the feeding hole 51 is communicated with a discharging hole 112 of a charging car through a feeding pipe; the discharge port 52 is provided with a hose communicated with the spray head 6; the extrusion device comprises an extrusion plate and a hydraulic cylinder which are oppositely arranged in the material box 5, and the extrusion plate is connected with the hydraulic cylinder through a hydraulic transmission assembly. A water inlet and a water outlet are arranged in the material box, and the water inlet is communicated with the water tank through a water inlet pipe; the water outlet is communicated with a water pump through a first water outlet pipe, the water pump is communicated with a water outlet shower head through a second water outlet pipe, and the water outlet shower head is arranged in the spray head. The movable chassis 1 comprises a chassis, a hydraulic balance supporting device 3, wheels 2 and a servo motor, wherein the hydraulic balance supporting device 3 and the wheels 2 are arranged below the chassis, and the servo motor is arranged in the chassis and is connected with the wheels 2 through a transmission device; the spray head 6 is communicated with the feed box 1 through a hose; the mechanical arm comprises a vertical supporting column 9 and a horizontal cantilever 8, and the vertical supporting column 9 is connected with the horizontal cantilever 8; the vertical supporting column 9 comprises a telescopic upright column, a rotating platform 4 and a vertical driving assembly, the vertical upright column is arranged on the rotating platform 4, the rotating platform 4 is arranged in the movable chassis 1, and the vertical driving assembly is arranged in the telescopic upright column; the horizontal cantilever 8 comprises a cantilever, a sliding block and a horizontal driving component, the sliding block is movably connected with the cantilever, and the horizontal driving component is connected with the sliding block; the slide block is connected with the spray head 6; an extrusion device is arranged in the material box 5; the control unit is connected with the extrusion device, the movable chassis 1, the rotating platform 4, the vertical driving assembly and the horizontal driving assembly.
In addition, a pressure sensor is arranged in the material box and connected with the control unit. The apparatus further comprises: the device comprises a positioning sensor, a flowmeter, a vertical telescopic sensor, a rotary platform sensor and a slide block motion sensor, wherein the positioning sensor is fixedly arranged on a movable chassis; the flowmeter is arranged in the spray head; the vertical telescopic sensor is arranged on a vertical driving component of the vertical supporting column; the rotary platform sensor is arranged on the rotary platform; the slide block motion sensor is arranged on the slide block; the positioning sensor, the flowmeter, the vertical telescopic sensor, the rotary platform sensor and the slide block motion sensor are all electrically connected with the control unit.
Example 2
This embodiment provides a large-scale cement 3D printing apparatus, includes: the automatic feeding device comprises a movable chassis 1, a material box 5, a mechanical arm, a spray head 6 and a control unit, wherein the material box 5 is arranged on the movable chassis 1, the material box comprises a feeding hole 51 and a discharging hole 52, and the feeding hole 51 is communicated with a discharging hole 112 of a charging car through a feeding pipe; the discharge port 52 is provided with a hose communicated with the spray head 6; the extrusion device comprises an extrusion plate and a hydraulic cylinder which are oppositely arranged in the material box 5, and the extrusion plate is connected with the hydraulic cylinder through a hydraulic transmission assembly. A water inlet and a water outlet are arranged in the material box, and the water inlet is communicated with the water tank through a water inlet pipe; the water outlet is communicated with a water pump through a first water outlet pipe, the water pump is communicated with a water outlet shower head through a second water outlet pipe, and the water outlet shower head is arranged in the spray head. A vibrating disk is arranged between the material box 5 and the movable base plate 1 and comprises an upper disk and a lower disk which are connected through a spring, wherein the upper disk is connected with the material box 5, the lower disk is connected with the movable base plate 1, the upper disk is provided with a vibrator, and the vibrator is connected with a control unit. The movable chassis 1 comprises a chassis, a hydraulic balance supporting device 3, wheels 2 and a servo motor, wherein the hydraulic balance supporting device 3 and the wheels 2 are arranged below the chassis, and the servo motor is arranged in the chassis and is connected with the wheels 2 through a transmission device; the spray head 6 is communicated with the feed box 1 through a hose; the mechanical arm comprises a vertical supporting column 9 and a horizontal cantilever 8, and the vertical supporting column 9 is connected with the horizontal cantilever 8; the vertical supporting column 9 comprises a telescopic upright column, a rotating platform 4 and a vertical driving assembly, the vertical upright column is arranged on the rotating platform 4, the rotating platform 4 is arranged in the movable chassis 1, and the vertical driving assembly is arranged in the telescopic upright column; the horizontal cantilever 8 comprises a cantilever, a sliding block and a horizontal driving component, the sliding block is movably connected with the cantilever, and the horizontal driving component is connected with the sliding block; the slide block is connected with the spray head 6; an extrusion device is arranged in the material box 5; the control unit is connected with the extrusion device, the movable chassis 1, the rotating platform 4, the vertical driving assembly and the horizontal driving assembly.
As a preferred embodiment, the nozzle 6 in this embodiment is provided with an elastic nozzle discharge port 7, the nozzle discharge port 7 is an elastic coating wall and is connected to the nozzle 6, the nozzle discharge port 7 is provided with a matched support frame, and the support frame is detachably connected to the nozzle 6. The support frame is a circular steel ring with a connecting structure, the connecting structure is detachably connected with a fixing structure on the spray head 6, the types of the circular steel ring are multiple, such as the diameter is 10cm, the diameter is 20cm, the diameter is 50cm, and the like, and the diameter of the discharge hole 7 of the spray head can be adjusted by selecting the type of the steel ring so as to adapt to a construction model with a corresponding size.
In addition, a pressure sensor is arranged in the material box and connected with the control unit. The apparatus further comprises: the device comprises a positioning sensor, a flowmeter, a vertical telescopic sensor, a rotary platform sensor and a slide block motion sensor, wherein the positioning sensor is fixedly arranged on a movable chassis; the flowmeter is arranged in the spray head; the vertical telescopic sensor is arranged on a vertical driving component of the vertical supporting column; the rotary platform sensor is arranged on the rotary platform; the slide block motion sensor is arranged on the slide block; the positioning sensor, the flowmeter, the vertical telescopic sensor, the rotary platform sensor and the slide block motion sensor are all electrically connected with the control unit.
When the equipment is used, the control unit acquires equipment positioning information through the positioning device and converts the positioning information into equipment longitude and latitude; acquiring motion information of the mechanical arm by using a sensor and positioning three-dimensional position information of the spray head according to the motion information and the longitude and latitude of the equipment; acquiring flow information at the spray head through a flowmeter; the nozzle movement route is calculated according to the longitude and latitude of the model and the three-dimensional position information of the nozzle by combining the longitude and latitude of the construction model, and the nozzle movement speed is calculated according to the flow information and the construction model, wherein the larger the flow is, the faster the nozzle movement speed is.
The control unit also judges whether the materials in the feed box 5 are empty or not through a pressure sensor in the feed box 5, namely, the pressure sensor is arranged at the lower part of the feed box 5, if the received pressure is lower than a preset threshold value, the feed box is judged to be empty, the cleaning device can be started, the control unit controls a water inlet valve of the feed box to be opened, the feed box is in a water inlet state, the vibrator is started, the water pump is controlled to be started, and the water pump is controlled to pump water to clean the spray head.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a large-scale cement 3D printing apparatus which characterized in that includes: the automatic feeding device comprises a movable chassis, a material box, a mechanical arm, a spray head and a control unit, wherein the material box is arranged on the movable chassis; the spray head is communicated with the feed box through a hose; the mechanical arm comprises a vertical supporting column and a horizontal cantilever, and the vertical supporting column is connected with the horizontal cantilever; the vertical supporting column comprises a telescopic upright column, a rotating platform and a vertical driving assembly, the telescopic upright column is installed on the rotating platform, the rotating platform is installed inside the movable chassis, and the vertical driving assembly is installed inside the telescopic upright column; the horizontal suspension arm comprises a suspension arm, a sliding block and a horizontal driving assembly, the sliding block is movably connected with the suspension arm, and the horizontal driving assembly is connected with the sliding block; the sliding block is connected with a spray head; an extrusion device is arranged in the material box; the extrusion device, the movable chassis, the rotary platform, the vertical driving assembly and the horizontal driving assembly are all connected with the control unit.
2. The large cement 3D printing apparatus according to claim 1, wherein the moveable base comprises a servo motor and a plurality of wheels, the wheels driven by the servo motor through a transmission.
3. The large cement 3D printing apparatus according to claim 1, wherein a hydraulically balanced support device is provided on the movable chassis.
4. The large cement 3D printing equipment according to claim 1, wherein the bin comprises a feeding port and a discharging port, and the feeding port is communicated with the discharging port of the charging car through a feeding pipe; the discharge hole is provided with a hose communicated with the spray head; the extrusion device comprises an extrusion plate and a hydraulic cylinder which are oppositely arranged in the material box, and the extrusion plate is connected with the hydraulic cylinder through a hydraulic transmission assembly.
5. The large cement 3D printing equipment according to claim 1, wherein a water inlet and a water outlet are arranged in the material box, and the water inlet is communicated with the water box through a water inlet pipe; the water outlet is communicated with a water pump through a first water outlet pipe, the water pump is communicated with a water outlet shower head through a second water outlet pipe, and the water outlet shower head is arranged in the spray head.
6. The large cement 3D printing equipment according to claim 1, wherein a pressure sensor is arranged in the bin and connected with a control unit.
7. The large cement 3D printing equipment according to claim 1, wherein the nozzle further comprises a nozzle discharge port, the nozzle discharge port is an elastic coating wall and is connected to the nozzle, a matched support frame is arranged at the nozzle discharge port, and the support frame is detachably connected with the nozzle.
8. The large cement 3D printing apparatus according to claim 1, wherein the apparatus further comprises: the device comprises a positioning sensor, a flowmeter, a vertical telescopic sensor, a rotary platform sensor and a slide block motion sensor, wherein the positioning sensor is fixedly arranged on a movable chassis; the flowmeter is arranged in the spray head; the vertical telescopic sensor is arranged on a vertical driving component of the vertical supporting column; the rotary platform sensor is arranged on the rotary platform; the sliding block motion sensor is arranged on the sliding block; and the positioning sensor, the flowmeter, the vertical telescopic sensor, the rotary platform sensor and the slide block motion sensor are all electrically connected with the control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920096296.XU CN210105324U (en) | 2019-01-21 | 2019-01-21 | Large-scale cement 3D printing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920096296.XU CN210105324U (en) | 2019-01-21 | 2019-01-21 | Large-scale cement 3D printing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210105324U true CN210105324U (en) | 2020-02-21 |
Family
ID=69530559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920096296.XU Active CN210105324U (en) | 2019-01-21 | 2019-01-21 | Large-scale cement 3D printing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210105324U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518975A (en) * | 2019-01-21 | 2019-03-26 | 齐鲁工业大学 | A kind of large-scale cement 3D printing equipment |
-
2019
- 2019-01-21 CN CN201920096296.XU patent/CN210105324U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518975A (en) * | 2019-01-21 | 2019-03-26 | 齐鲁工业大学 | A kind of large-scale cement 3D printing equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110303593B (en) | Preparation method and preparation device of reinforced concrete pipe | |
| CN210105324U (en) | Large-scale cement 3D printing apparatus | |
| CN108857270B (en) | Processing method of electric power instrument shell | |
| CN109351505B (en) | Steel construction electrostatic spraying device is carried to material of being convenient for | |
| CN110090835B (en) | New energy automobile fills electric pile | |
| CN206599968U (en) | A kind of electric environmental protection labour-saving wall plaster device | |
| CN109551607A (en) | A kind of elevating lever-type cement products 3D printing equipment | |
| CN111251409A (en) | Table type concrete 3D printer | |
| CN109518975A (en) | A kind of large-scale cement 3D printing equipment | |
| CN208456068U (en) | A kind of ground construction robot | |
| CN207746221U (en) | Steel pipe pusher | |
| CN110841545A (en) | Continuous dry powder pulping and stirring device | |
| CN109590170A (en) | A kind of automatic glue filling production line, glue-pouring method and purposes being used to prepare electrophoresis coagulating rubber column gel column | |
| CN114434591B (en) | Concrete wallboard quantitative pouring equipment for civil construction engineering | |
| CN209903475U (en) | Lifting rod type cement product 3D printing equipment | |
| CN214732475U (en) | Tubular product loading attachment | |
| CN213563239U (en) | Rotatory column concrete 3D printer | |
| CN107190955A (en) | A kind of trowelling machine with function of flattening | |
| CN209699851U (en) | A kind of Portable optical firming 3D printer | |
| CN212128790U (en) | Supplementary levelling device of road surface 3D printing apparatus ejection of compact | |
| CN209034689U (en) | A kind of foaming model brushing paint device | |
| CN206441817U (en) | Powder mold forming battery core powder mould machine in battery vertical cylinder | |
| CN217144362U (en) | Building concrete mixing plant | |
| CN215148229U (en) | Sand blasting device of horizontal automatic molding machine | |
| CN218990805U (en) | Mortar spraying equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
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. |
|
| CP01 | Change in the name or title of a patent holder |