CN110576500A - Material making and feeding device for clay-plastic printer - Google Patents
Material making and feeding device for clay-plastic printer Download PDFInfo
- Publication number
- CN110576500A CN110576500A CN201910965935.6A CN201910965935A CN110576500A CN 110576500 A CN110576500 A CN 110576500A CN 201910965935 A CN201910965935 A CN 201910965935A CN 110576500 A CN110576500 A CN 110576500A
- Authority
- CN
- China
- Prior art keywords
- clay
- fixedly connected
- feeding device
- fixed block
- workbin
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/02—Conditioning the material prior to shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/12—Supplying or proportioning liquid ingredients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/16—Discharge means, e.g. with intermediate storage of fresh concrete
-
- 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
Abstract
the invention discloses a material preparing and feeding device for a clay-plastic printer, which comprises a ground and a material preparing box fixedly arranged on the ground, wherein the material preparing box adopts a structure with an opening at one side, a supporting mechanism is arranged at the lower end of the material preparing box, a crushing mechanism and a stirring mechanism are arranged in the material preparing box, and a water injection mechanism and a discharging mechanism are arranged at two sides of the material preparing box. The invention pre-crushes the clay in a mixing and stirring mode, improves the mixing uniformity of the clay, effectively avoids the condition that the clay is not uniformly mixed and even blocks a conveying pipeline, and improves the material preparation speed and the material preparation effect.
Description
Technical Field
The invention relates to the technical field of clay sculpture, in particular to a material manufacturing and feeding device for a clay sculpture printer.
Background
Clay sculpture, commonly known as color sculpture, is an ancient and common folk art in China. I.e. a folk handicraft with various figures molded by clay. The making method is that a little cotton fiber is mixed in the clay, after being evenly smashed, the clay is kneaded into mud blanks of various figures, after being dried in the shade, the base powder is coated, and then the colored drawing is carried out. It uses clay as raw material, and is made into various forms by hand-kneading, or into various forms, mainly using human body and animal body.
The clay sculpture printer obtains XYZ coordinates according to a three-dimensional model established by a computer, performs activities through the XYZ coordinates, performs spraying and printing layer by layer, and stacks layer by layer until a specific product is formed.
At the in-process that clay-molding was printed to clay-molding machine, need be continuous to carry out the system material pay-off, generally adopt the motor to drive the stirring rake among the prior art and stir the raw materials and mix, but the clay often can be because self contains moisture and stickness and produces the caking, needs the manual work to pound to pieces in advance and just can mix, and it wastes time and energy to pound to pieces the clay, and the human factor is great, and there is the clay that does not pound to pieces completely in the inevitable, influences the raw materials and mixes and blocks up pipeline even.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides a material making and feeding device for a clay printer.
In order to achieve the purpose, the invention adopts the following technical scheme:
The utility model provides a system material feeding unit for clay-sculpture printer, includes ground and the subaerial system workbin of fixed mounting, system workbin adopts one side open structure, the lower extreme of system workbin is equipped with supporting mechanism, the inside of system workbin is equipped with broken mechanism and rabbling mechanism, the both sides of system workbin are equipped with water injection mechanism and discharge mechanism.
Preferably, the supporting mechanism comprises a plurality of supporting legs fixedly connected to the lower side wall of the material making box, the supporting legs are arranged in a rectangular shape, and the supporting legs are a plurality of backing plates fixedly connected to the lower ends of the supporting legs.
Preferably, crushing mechanism includes fixed connection at the fixed block of work bin inside wall, the cross section of fixed block is the irregular figure of rectangle intercepting one corner, the upper end of fixed block is handled through the chamfer, the stock guide that symmetrical fixed connection slope set up on the fixed block, the both sides inside wall of work bin rotates jointly and is connected with the bull stick, the outer wall fixed cup joint of bull stick has the pressure fragment, press the fragment cross section to be the L type, it is equipped with evenly distributed's prong to press the fragment outstanding lateral wall that is close to the fixed block, the inside wall fixedly connected with motor cabinet of work bin, the upper end fixed mounting of motor cabinet has a rotating electrical machines, a rotating electrical machines's drive end fixedly connected with carousel, the eccentric department of carousel rotates jointly with the middle part of pressing the fragment and is connected with the connecting rod.
Preferably, the surface of the fixed block and the surface of the crushed block are both polished.
Preferably, the upper end of system workbin is equipped with the conveyer belt, the direction of delivery of conveyer belt sets up towards between fixed block and the crushing piece.
Preferably, the inner side wall of the material making box is fixedly connected with a material baffle plate which inclines downwards, and the material baffle plate is located under the motor base.
Preferably, the rabbling mechanism includes the motor clamping bar of two fixed connection lateral walls under the system workbin, the motor clamping bar adopts L type mechanism, two the motor clamping bar keep away from the common fixedly connected with second rotating electrical machines of one end of system workbin, second rotating electrical machines has the (mixing) shaft through the coupling joint, the upper end of (mixing) shaft extends to the inside of system workbin and rotates with the system workbin through waterproof bearing and is connected, is located the system workbin a plurality of puddlers of outer wall symmetry fixedly connected with of (mixing) shaft.
Preferably, one end of the stirring rod, which is far away from the stirring shaft, is a tip.
Preferably, water injection mechanism includes the subaerial storage water tank of fixed mounting, the inside of storage water tank is equipped with the outlet pipe, the one end that the storage water tank was kept away from to the outlet pipe runs through storage water tank and system workbin and extends to the inside of system workbin, install suction pump and first solenoid valve on the outlet pipe.
Preferably, discharge mechanism includes the discharging pipe with system workbin bottom intercommunication, the one end that system workbin was kept away from to the discharging pipe is connected with the printing shower nozzle, install material pump and second solenoid valve on the discharging pipe.
Compared with the prior art, this system material feeding unit for clay-sculpture printer's advantage lies in:
1. The rotating disc is driven to rotate circumferentially by the first rotating motor, the connecting rod drives the crushed blocks to do high-speed extrusion motion with the rotating rod as a fulcrum, the blocky clay is continuously crushed on the tooth tip surface of the crushing block, the blocky clay can be quickly crushed, and compared with a manual crushing mode, the method is time-saving and labor-saving and high in crushing efficiency;
2. Torque is transmitted to the stirring shaft through the two rotating motors through the shaft coupling, the stirring shaft and the stirring rod rotate at high speed to quickly mix and stir the raw materials, and the stirring rod arranged at the tip can further crush clay, so that the mixing is more uniform, and the material preparation effect is good;
3. The suction pump passes through the outlet pipe and carries the inside water of storage water tank to the system workbin in, and the material after the completion of mixing is carried to printing the shower nozzle by the suction pump through the discharging pipe and is carried out the clay sculpture and print, and the water injection pay-off is comparatively convenient, for the system material provides good system material environment, improves system material efficiency.
In conclusion, the clay is pre-crushed in a mixing and stirring manner, so that the mixing uniformity of the clay is improved, the condition that the clay is not uniformly mixed and even blocks a conveying pipeline is effectively avoided, and the material preparation speed and the material preparation effect are improved.
Drawings
Fig. 1 is a front view of a material feeding device for a slush-molding printer according to the present invention;
fig. 2 is a top view of a material feeding device part for a slush-molding printer according to the present invention.
In the figure: the automatic material-making machine comprises a material-making box 1, supporting legs 2, fixing blocks 3, a material guide plate 4, a conveying belt 5, a motor base 6, a first rotating motor 7, a rotating disc 8, a connecting rod 9, a rotating rod 10, crushed pieces 11, a material guide plate 12, a motor clamping rod 13, a second rotating motor 14, a stirring shaft 15, a stirring rod 16, a water storage tank 17, a water pump 18 and a material pump 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, a system material feeding unit for clay-plastic printer, includes ground and subaerial system workbin 1 of fixed mounting, system workbin 1 adopts one side open structure, and the system workbin 1 of one side open structure conveniently feeds in, and the lower extreme of system workbin 1 is equipped with supporting mechanism, and the inside of system workbin 1 is equipped with crushing mechanism and rabbling mechanism, and the both sides of system workbin 1 are equipped with water injection mechanism and discharge mechanism.
further, the supporting mechanism comprises a plurality of supporting legs 2 fixedly connected to the lower side wall of the material making box 1, the supporting legs 2 are arranged in a rectangular mode, the lower ends of the supporting legs 2 are fixedly connected with base plates, the supporting legs 2 support the material making box 1, the base plates can enlarge the contact area with the ground, the pressure generated by the unit area to the ground is reduced, and the ground is protected to a certain extent.
Further, the crushing mechanism comprises a fixed block 3 fixedly connected to the inner side wall of the material preparation box 1, the cross section of the fixed block 3 is an irregular figure with one corner cut out in a rectangular shape, the upper end of the fixed block 3 is subjected to chamfering treatment, the fixed block 3 subjected to chamfering treatment can avoid the condition that edges and corners obstruct clay conveying, the fixed block 3 is symmetrically and fixedly connected with a material guide plate 4 obliquely arranged, the material guide plate 4 limits the moving range of the clay, the inner side walls of two sides of the material preparation box 1 are jointly and rotatably connected with a rotating rod 10, the outer wall of the rotating rod 10 is fixedly sleeved with crushed blocks 11, the cross section of each crushed block 11 is in an L shape, one side wall of the protruding end of each crushed block 11, which is close to the fixed block 3, is provided with evenly distributed tooth tips, the tooth tips are beneficial to crushing the caked clay, the inner side wall of, the driving end of the first rotating motor 7 is fixedly connected with a rotating disc 8, the eccentric part of the rotating disc 8 and the middle part of the crushing block 11 are jointly and rotatably connected with a connecting rod 9, and the minimum distance between the two material guide plates 4 is smaller than the width of the crushing block 11, so that the clay can fall to the bottom of the material preparing box 1 only by crushing the crushing block 11.
More specifically, the surface of fixed block 3 and the surface of crushing piece 11 are all through polishing treatment, and polishing treatment's fixed block 3 and crushing piece 11 great reduction with the frictional force between the clay, avoid clay and fixed block 3, crushing piece 11 adhesion.
Further, the upper end of the material making box 1 is provided with a conveying belt 5, the conveying direction of the conveying belt 5 faces to the position between the fixed block 3 and the crushing block 11, and clay is conveyed by the conveying belt 5.
Further, the inner side wall of the material making box 1 is fixedly connected with a material baffle 12 inclining downwards, the material baffle 12 is located under the motor base 6, the material baffle 12 can effectively block raw materials in stirring, the raw materials and water are prevented from being thrown onto the first rotating motor 7 in a mess, and normal work of the first rotating motor 7 is guaranteed.
Further, the rabbling mechanism includes two fixed connection at the motor clamping bar 13 of lateral wall under the system workbin 1, motor clamping bar 13 adopts L type mechanism, the common fixedly connected with second rotating electrical machines 14 of one end that system workbin 1 was kept away from to two motor clamping bar 13, two motor clamping bar 13 stabilize fixedly to second rotating electrical machines 14, second rotating electrical machines 14 has (mixing) shaft 15 through the coupling joint, the upper end of (mixing) shaft 15 extends to the inside of system workbin 1 and rotates with system workbin 1 through waterproof bearing and is connected, waterproof bearing can place the material and sink through the clearance between (mixing) shaft 15 and the system workbin 1, the outer wall symmetry fixedly connected with of (mixing) shaft 15 that is located system workbin 1 is a plurality of puddlers 16, second rotating electrical machines 14 transmits moment (mixing) shaft 15 through the coupling, (mixing) shaft 15 and puddler 16 carry out flash mixed to the material.
More preferably, the end of the stirring rod 16 remote from the stirring shaft 15 is pointed to further pulverize the clay.
Further, the water injection mechanism includes a water storage tank 17 fixedly mounted on the ground, a water outlet pipe is arranged inside the water storage tank 17, one end, far away from the water storage tank 17, of the water outlet pipe penetrates through the water storage tank 17 and the material preparation box 1 and extends to the inside of the material preparation box 1, a water suction pump 18 and a first electromagnetic valve are mounted on the water outlet pipe, and the water inside the water storage tank 17 is conveyed into the material preparation box 1 through the water outlet pipe by the water suction pump 18.
further, discharge mechanism includes the discharging pipe with system workbin 1 bottom intercommunication, and the one end that system workbin 1 was kept away from to the discharging pipe is connected with the printing shower nozzle (not shown in the figure), installs material pump 19 and second solenoid valve on the discharging pipe, and the material after the completion of mixing is carried to printing the shower nozzle by material pump 19 through the discharging pipe and is carried out the clay-plastic printing.
further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
the working principle of the invention can be realized by the following operations:
The clay is conveyed between the fixed block 3 and the crushing block 11 through the conveying belt 5, the first rotating motor 7 drives the rotating disc 8 to rotate circumferentially and drives the crushing block 11 to do high-speed extrusion motion with the rotating rod 10 as a fulcrum through the connecting rod 9, the blocky clay is continuously crushed on the tooth tip surface of the crushing block 11, the clay falls into the bottom of the material making box 1 under the action of self gravity, the water in the water storage tank 17 is conveyed into the material making box 1 through the water outlet pipe by the water suction pump 18, the torque is transmitted to the stirring shaft 15 through the coupler by the second rotating motor 14, the stirring shaft 15 and the stirring rod 16 rotate at high speed to mix and stir the raw materials, the mixed materials are conveyed to a printing nozzle through the discharging pipe by the material pumping pump 19 to be subjected to clay plastic printing, and in addition, the first electromagnetic valve and the second electromagnetic valve can respectively control the closing or opening of the.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a clay is system material feeding unit for printer, includes ground and subaerial system workbin (1) of fixed mounting, its characterized in that, system workbin (1) adopts one side open structure, the lower extreme of system workbin (1) is equipped with supporting mechanism, the inside of system workbin (1) is equipped with broken mechanism and rabbling mechanism, the both sides of system workbin (1) are equipped with water injection mechanism and discharge mechanism.
2. The material feeding device for the clay printer as claimed in claim 1, wherein the supporting mechanism comprises a plurality of supporting legs (2) fixedly connected to the lower side wall of the material making box (1), the supporting legs (2) are arranged in a rectangular shape, and a backing plate is fixedly connected to the lower ends of the supporting legs (2).
3. The material feeding device for the clay-plastic printer according to claim 1, wherein the crushing mechanism comprises a fixed block (3) fixedly connected to the inner side wall of the material making box (1), the cross section of the fixed block (3) is in an irregular pattern with one corner cut out in a rectangular shape, the upper end of the fixed block (3) is processed by chamfering, the fixed block (3) is symmetrically and fixedly connected with a material guide plate (4) which is obliquely arranged, the inner side walls of two sides of the material making box (1) are jointly and rotatably connected with a rotating rod (10), the outer wall of the rotating rod (10) is fixedly sleeved with crushed pieces (11), the cross section of the crushed pieces (11) is in an L shape, the side wall of one side of the protruding end of the crushed pieces (11) close to the fixed block (3) is provided with uniformly distributed tooth tips, and the inner side wall of the material making box (1) is, the upper end fixed mounting of motor cabinet (6) has first rotating electrical machines (7), the drive end fixedly connected with of first rotating electrical machines (7) rotates disc (8), the eccentric department of rotating disc (8) rotates jointly with the middle part of pressing fragment (11) and is connected with connecting rod (9).
4. The material feeding device for the clay printer as claimed in claim 3, wherein the surface of the fixed block (3) and the surface of the pressing block (11) are polished.
5. A material feeding device for a clay-plastic printer according to claim 3, characterized in that the upper end of the material making box (1) is provided with a conveyer belt (5), and the conveying direction of the conveyer belt (5) is arranged towards the position between the fixed block (3) and the pressing block (11).
6. The material preparing and feeding device for the clay printer as claimed in claim 3, wherein the inner side wall of the material preparing box (1) is fixedly connected with a striker plate (12) which inclines downwards, and the striker plate (12) is located under the motor base (6).
7. The material feeding unit for clay-plastic printer according to claim 1, characterized in that, rabbling mechanism includes two fixed connection motor clamping bars (13) of lateral wall under system workbin (1), motor clamping bar (13) adopt L type mechanism, two motor clamping bar (13) keep away from the common fixedly connected with second rotating electrical machines (14) of one end of system workbin (1), second rotating electrical machines (14) have (mixing) shaft (15) through the coupling joint, the upper end of (mixing) shaft (15) extends to the inside of system workbin (1) and is connected with system workbin (1) rotation through waterproof bearing, is located system workbin (1) the outer wall symmetry fixedly connected with a plurality of puddlers (16) of (mixing) shaft (15).
8. The material feeding device for the clay printer as claimed in claim 7, wherein the end of the stirring rod (16) far away from the stirring shaft (15) is pointed.
9. The material feeding unit of claim 1, wherein the water injection mechanism comprises a water storage tank (17) fixedly mounted on the ground, a water outlet pipe is arranged inside the water storage tank (17), one end of the water outlet pipe, which is far away from the water storage tank (17), penetrates through the water storage tank (17) and the material preparation box (1) and extends to the inside of the material preparation box (1), and a water suction pump (18) and a first electromagnetic valve are mounted on the water outlet pipe.
10. The material preparing and feeding device for the slush-molding printer according to claim 1, wherein the material discharging mechanism comprises a material discharging pipe communicated with the bottom of the material preparing box (1), one end of the material discharging pipe far away from the material preparing box (1) is connected with the printing nozzle, and a material pumping pump (19) and a second electromagnetic valve are installed on the material discharging pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910965935.6A CN110576500A (en) | 2019-10-12 | 2019-10-12 | Material making and feeding device for clay-plastic printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910965935.6A CN110576500A (en) | 2019-10-12 | 2019-10-12 | Material making and feeding device for clay-plastic printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110576500A true CN110576500A (en) | 2019-12-17 |
Family
ID=68814759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910965935.6A Withdrawn CN110576500A (en) | 2019-10-12 | 2019-10-12 | Material making and feeding device for clay-plastic printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110576500A (en) |
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| US6936212B1 (en) * | 2002-02-07 | 2005-08-30 | 3D Systems, Inc. | Selective deposition modeling build style providing enhanced dimensional accuracy |
| CN107866908A (en) * | 2017-12-06 | 2018-04-03 | 惠州市德度实业发展有限公司 | A kind of hydraulic engineering equipment with crushing function |
| CN108189237A (en) * | 2018-03-12 | 2018-06-22 | 无锡市翱宇特新科技发展有限公司 | A kind of concrete mixer |
| CN207535070U (en) * | 2017-10-11 | 2018-06-26 | 房小然 | Cement stirring device |
| CN208133269U (en) * | 2018-02-09 | 2018-11-23 | 北方民族大学 | A kind of civil engineering work waste material recycling device |
| CN208244809U (en) * | 2018-04-12 | 2018-12-18 | 南安铭创瓷砖有限公司 | A kind of feed inlet device of ceramic tile raw material blender |
| CN109395809A (en) * | 2018-10-25 | 2019-03-01 | 北京博纳菲德科技有限公司 | A kind of dustless lithotripsy apparatus of civil construction project |
| CN208612556U (en) * | 2018-06-25 | 2019-03-19 | 泰伯克（天津）机械设备有限公司 | A kind of shockproof crusher |
-
2019
- 2019-10-12 CN CN201910965935.6A patent/CN110576500A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6936212B1 (en) * | 2002-02-07 | 2005-08-30 | 3D Systems, Inc. | Selective deposition modeling build style providing enhanced dimensional accuracy |
| CN207535070U (en) * | 2017-10-11 | 2018-06-26 | 房小然 | Cement stirring device |
| CN107866908A (en) * | 2017-12-06 | 2018-04-03 | 惠州市德度实业发展有限公司 | A kind of hydraulic engineering equipment with crushing function |
| CN208133269U (en) * | 2018-02-09 | 2018-11-23 | 北方民族大学 | A kind of civil engineering work waste material recycling device |
| CN108189237A (en) * | 2018-03-12 | 2018-06-22 | 无锡市翱宇特新科技发展有限公司 | A kind of concrete mixer |
| CN208244809U (en) * | 2018-04-12 | 2018-12-18 | 南安铭创瓷砖有限公司 | A kind of feed inlet device of ceramic tile raw material blender |
| CN208612556U (en) * | 2018-06-25 | 2019-03-19 | 泰伯克（天津）机械设备有限公司 | A kind of shockproof crusher |
| CN109395809A (en) * | 2018-10-25 | 2019-03-01 | 北京博纳菲德科技有限公司 | A kind of dustless lithotripsy apparatus of civil construction project |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191217 |
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| WW01 | Invention patent application withdrawn after publication |