CN108746618B - Hydraulic positioning type vertical driving mechanism for laser melting powder spreading device - Google Patents
Hydraulic positioning type vertical driving mechanism for laser melting powder spreading device Download PDFInfo
- Publication number
- CN108746618B CN108746618B CN201810625708.4A CN201810625708A CN108746618B CN 108746618 B CN108746618 B CN 108746618B CN 201810625708 A CN201810625708 A CN 201810625708A CN 108746618 B CN108746618 B CN 108746618B
- Authority
- CN
- China
- Prior art keywords
- wedge
- driving
- horizontal guide
- shaped seat
- seat
- 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
- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- 239000000843 powder Substances 0.000 title claims abstract description 26
- 238000002844 melting Methods 0.000 title claims abstract description 20
- 230000008018 melting Effects 0.000 title claims abstract description 20
- 238000003892 spreading Methods 0.000 title claims abstract description 17
- 230000007480 spreading Effects 0.000 title claims abstract description 17
- 230000001174 ascending effect Effects 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000003860 storage Methods 0.000 claims description 8
- 238000010410 dusting Methods 0.000 claims 4
- 230000004927 fusion Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 238000011065 in-situ storage Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005571 horizontal transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000004372 laser cladding Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000110 selective laser sintering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Laser Beam Processing (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses a hydraulic positioning type vertical driving mechanism for a laser melting powder spreading device, which comprises a left wedge-shaped seat and a right wedge-shaped seat which are positioned at two ends of a horizontal guide rail and have right-angled triangle-shaped longitudinal sections, and a wedge-shaped seat driving assembly for driving the left wedge-shaped seat and the right wedge-shaped seat to slide along a transverse single degree of freedom; the two ends of the horizontal guide rail are respectively provided with a left roller and a right roller, the left roller is pressed against the driving inclined surface of the left wedge-shaped seat, the right roller is pressed against the driving inclined surface of the right wedge-shaped seat, and the wedge-shaped seat driving assembly is used for driving the left wedge-shaped seat and the right wedge-shaped seat to approach or separate from each other to realize ascending or descending of the horizontal guide rail; a hydraulic hold down assembly is included for applying a downward hydraulic hold down force to the horizontal rail.
Description
Technical Field
The invention relates to the field of laser processing, in particular to a hydraulic positioning type vertical driving mechanism for a laser melting powder laying device.
Background
The rapid prototyping technology breaks through the conventional thinking of deforming and removing prototyping and realizes the concept of 'net prototyping', the rapid prototyping technology mainly comprises 3 types, namely a selective laser sintering technology S L S), a laser cladding manufacturing technology (L ENS) and a selective laser melting technology (S L M), wherein parts prepared by the selective laser melting technology have high density, high precision, good performance and good processing process stability and are well concerned at home and abroad.
Therefore, in order to solve the above problems, a selective laser melting system is needed, which can implement in-situ processing and manufacturing, spread powder in a proper amount according to the size of a processed workpiece, avoid the problems of waste of processing raw material pollution and complicated raw material recovery and treatment, and simultaneously implement in-situ processing, avoid the problems of low processing efficiency, high limitation and the like, and increase the application range.
Disclosure of Invention
In view of the above, the present invention aims to overcome the defects in the prior art, and provides a hydraulic positioning type vertical driving mechanism for a laser melting powder laying device, which can lay a proper amount of powder according to the size of a workpiece to be processed, avoid the problems of pollution and waste of raw materials to be processed, complicated raw material recovery and treatment, and the like, and simultaneously realize in-situ processing, avoid the problems of low processing efficiency, large limitation, and the like, and increase the application range.
The invention discloses a hydraulic positioning type vertical driving mechanism for a laser melting powder spreading device, which comprises a left wedge-shaped seat and a right wedge-shaped seat which are positioned at two ends of a horizontal guide rail and have right-angled triangle-shaped longitudinal sections, and a wedge-shaped seat driving assembly for driving the left wedge-shaped seat and the right wedge-shaped seat to slide along a transverse single degree of freedom; the two ends of the horizontal guide rail are respectively provided with a left roller and a right roller, the left roller is pressed against the driving inclined surface of the left wedge-shaped seat, the right roller is pressed against the driving inclined surface of the right wedge-shaped seat, and the wedge-shaped seat driving assembly is used for driving the left wedge-shaped seat and the right wedge-shaped seat to approach or separate from each other to realize ascending or descending of the horizontal guide rail; a hydraulic hold down assembly is included for applying a downward hydraulic hold down force to the horizontal rail.
Furthermore, the hydraulic pressing assembly comprises a hydraulic pump, a hydraulic cylinder, a return pipe and an oil storage bin, an oil outlet of the hydraulic pump is communicated with a driving inner cavity of the hydraulic cylinder and drives a hydraulic rod of the hydraulic cylinder to press the horizontal guide rail downwards, an oil inlet of the hydraulic pump is communicated with the oil storage bin through a pipeline, the return pipe is provided with an electromagnetic valve for controlling the on-off of the return pipe, one end of the return pipe is communicated with the driving inner cavity of the hydraulic cylinder, and the other end of the return pipe is communicated with the oil storage;
the horizontal driving mechanism comprises a horizontal driving motor, a horizontal driving gear and strip-shaped teeth which are arranged on the surface of the horizontal guide rail and are meshed with the horizontal driving gear; the horizontal driving gear comprises an upper driving horizontal driving gear which is positioned on the upper side of the horizontal guide rail and is in meshing transmission with the horizontal guide rail and a lower driven horizontal driving gear which is positioned on the lower side of the horizontal guide rail and is in meshing transmission with the horizontal guide rail; the output shaft of the horizontal driving motor is in transmission fit with the upper driving horizontal driving gear, and the lower driven horizontal driving gear is rotatably arranged on the powder spreading device.
Furthermore, the section of the horizontal guide rail is in a shape of a transverse convex with the top pointing to the inner side along the longitudinal direction, the upper surface and the lower surface of the inner side of the horizontal guide rail are respectively provided with a strip-shaped tooth, the upper surface and the lower surface of the outer side of the horizontal guide rail form sliding limiting surfaces moving horizontally, and the end part of the powder spreading device forms horizontal guide grooves with two inner side walls fitting with outer sleeves on the two sliding limiting surfaces.
Further, the vertex angle of the left wedge-shaped seat and the right wedge-shaped seat is 3-8 degrees.
Furthermore, the vertical driving mechanism also comprises a vertical guide post fixed on the frame, the vertical guide post is transversely positioned in the middle of the horizontal guide rail, the vertical guide post is vertically provided with a vertical guide groove, and the longitudinal outer side of the horizontal guide rail protrudes to form a vertical guide block which is embedded into the vertical guide groove in a shape fitting manner; the hydraulic cylinder is fixed at the upper end of the vertical guide groove, and a hydraulic rod of the hydraulic cylinder is downwards abutted against the vertical guide block.
Further, horizontal guide includes along vertical front and back distribution's preceding horizontal guide and back horizontal guide, preceding horizontal guide and back horizontal guide all are located between left and right wedge seat, the inclined plane of left and right wedge seat is provided with four sliding guide grooves that correspond with preceding horizontal guide both ends and back horizontal guide both ends respectively, sliding guide groove arranges along the longitudinal section hypotenuse direction that corresponds left and right wedge seat.
Further, wedge seat drive assembly includes wedge seat driving motor and with wedge seat driving motor's output shaft transmission complex driving screw, the bottom of left and right wedge seat is provided with left drive screw respectively and drives the screw rotation direction opposite right drive screw with left side, driving screw's excircle has set gradually along the axial with left drive screw thread fit's first external screw thread section and with right drive screw thread fit's second external screw thread section, wedge seat driving motor realizes being close to each other or keeping away from between the left and right wedge seat through drive driving screw corotation or reversal.
Furthermore, the driving screw comprises a front driving screw and a rear driving screw which are longitudinally arranged in a front-back mode, an output shaft of the wedge seat driving motor is located between the end portions of the front driving screw and the rear driving screw on the same side, a power output gear is fixedly sleeved on an output shaft fixing outer sleeve of the wedge seat driving motor, power input gears are respectively fixedly sleeved at the end portions of the front driving screw and the rear driving screw, and the power output gears are meshed with the two power input gears and are used for reducing speed to transmit power.
Further, the bottom of the rack is provided with a transverse guide groove for guiding the left and right wedge-shaped seats along the transverse direction, the bottom of the left and right wedge-shaped seats is provided with a transverse guide block which is embedded into the transverse guide groove in a shape-fitting manner, and the transverse guide groove and the vertical guide groove are dovetail grooves.
Furthermore, a walking mechanism capable of being locked is arranged at the bottom of the rack.
The invention has the beneficial effects that: according to the hydraulic positioning type vertical driving mechanism for the laser melting powder spreading device, the outer ring layer is arranged and the powder containing cylinder is formed during layered processing, so that proper powder can be spread according to the size of a processed workpiece, the problems of pollution waste of processing raw materials, complex raw material recovery and treatment and the like are avoided, and meanwhile, the processing is molded from bottom to top, and in-situ processing is realized; the problems of low processing efficiency, high limitation and the like are avoided, and the application range is enlarged.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic structural view of a wedge base according to the present invention;
fig. 4 is a schematic view of a connection structure of the powder laying box and the horizontal guide rail in the invention.
Detailed Description
Fig. 1 is a schematic structural diagram of the present invention, and as shown in the drawing, the hydraulic positioning type vertical driving mechanism for a laser melting powder spreading device in the present embodiment includes a left wedge base 7 and a right wedge base 8, which are located at two ends of a horizontal guide rail and have right-angled triangle longitudinal sections, and are used for driving a wedge base driving assembly for driving the left and right wedge bases to slide along a transverse single degree of freedom; the two ends of the horizontal guide rail are respectively provided with a left roller 9a and a right roller 9, the left roller is pressed against the driving inclined surface of the left wedge-shaped seat, the right roller is pressed against the driving inclined surface of the right wedge-shaped seat, and the wedge-shaped seat driving assembly is used for driving the left wedge-shaped seat and the right wedge-shaped seat to mutually approach or keep away from each other so as to realize the ascending or descending of the horizontal guide rail; the hydraulic pressing component is used for applying downward hydraulic pressing force to the horizontal guide rail; through the setting of hydraulic pressure compress tightly the subassembly, do benefit to the stability of guaranteeing horizontal guide rail.
In this embodiment, the hydraulic compressing assembly includes a hydraulic pump 22, a hydraulic cylinder, a return pipe 24 and an oil storage bin, an oil outlet of the hydraulic pump is communicated with a driving inner cavity of the hydraulic cylinder 26 through an oil pipe 23 and drives a hydraulic rod of the hydraulic cylinder to compress a horizontal guide rail downwards, an oil inlet of the hydraulic pump is communicated with the oil storage bin through a pipeline, the return pipe is provided with an electromagnetic valve 25 for controlling the on-off of the return pipe, one end of the return pipe is communicated with the driving inner cavity of the hydraulic cylinder, and the other end of the return pipe is communicated; the hydraulic pump generates continuous and large pressing force to the hydraulic rod (the end part of the hydraulic rod is fixedly provided with the pressing block 27), when the horizontal guide rail needs to be lifted, the electromagnetic valve arranged on the return pipe can be controlled to be opened, the pressure relief of the driving inner cavity of the hydraulic cylinder is facilitated, the lifting of the hydraulic rod is facilitated, and after the lifting operation of the horizontal guide rail is completed, the electromagnetic valve is closed, so that the driving inner cavity of the hydraulic cylinder generates high pressure, and the vertical pressing of the hydraulic rod on the horizontal guide rail is ensured.
The horizontal driving mechanism comprises a horizontal driving motor, a horizontal driving gear and strip-shaped teeth which are arranged on the surface of the horizontal guide rail 2 and are meshed with the horizontal driving gear; the horizontal driving gear comprises an upper driving horizontal driving gear which is positioned on the upper side of the horizontal guide rail 2 and is in meshing transmission with the horizontal guide rail 2 and a lower driven horizontal driving gear which is positioned on the lower side of the horizontal guide rail 2 and is in meshing transmission with the horizontal guide rail 2; an output shaft of the horizontal driving motor is in transmission fit with the upper driving horizontal driving gear, and the lower driven horizontal driving gear is rotatably arranged on the powder spreading device 1; mounting plates 19 are fixedly arranged at the longitudinal two end parts (and the two end parts in the front-back direction) of the powder spreading device 1, the mounting plates are horizontally arranged, the longitudinal outer end faces are recessed to form the horizontal guide grooves 3, horizontal driving wheel through holes are arranged at the positions, close to the outer ends, of the mounting plates, the lower end of an upper driving horizontal driving gear penetrates through the horizontal driving wheel through holes from top to be meshed with strip-shaped teeth on the upper surface of the horizontal guide rail 2, and the upper end of a lower driven horizontal driving gear penetrates through the horizontal driving wheel through holes from bottom to be meshed with the strip-shaped teeth on the lower; the mechanism is more beneficial to improving the transmission stability of the whole horizontal transmission mechanism.
In this embodiment, the cross section of the horizontal guide rail 2 is in a shape of a horizontal convex with the top pointing to the inside along the longitudinal direction, the upper and lower surfaces of the inside of the horizontal guide rail 2 are respectively provided with a strip-shaped tooth, the upper and lower surfaces of the outside of the horizontal guide rail 2 form sliding limiting surfaces for horizontal movement, and the end part of the powder spreading device 1 forms a horizontal guide groove 3 with two inner side walls fitted with shape and sleeved on the two sliding limiting surfaces 4; mounting plates are fixedly arranged at the longitudinal two end parts (and the two end parts in the front-back direction) of the powder spreading device 1, the mounting plates are horizontally arranged, the longitudinal outer end faces are sunken to form horizontal guide grooves 3, horizontal driving wheel through holes are arranged at the positions, close to the outer ends, of the mounting plates, the lower end of an upper driving horizontal driving gear 5 penetrates through the horizontal driving wheel through holes from top to be meshed with strip-shaped teeth on the upper surface of a horizontal guide rail 2, and the upper end of a lower driven horizontal driving gear 6 penetrates through the horizontal driving wheel through holes from bottom to be meshed with the strip-shaped teeth on the lower surface; the mechanism is more beneficial to improving the transmission stability of the whole horizontal transmission mechanism.
In this embodiment, the apex angle of the left and right wedge-shaped seats is 3-8 °, preferably 5 °.
In this embodiment, the vertical driving mechanism further includes a vertical guide post 10 fixed to the frame, the vertical guide post is horizontally located in the middle of the horizontal guide rail 2, the vertical guide post is vertically provided with a vertical guide groove 11, and a vertical guide block 12 which is fittingly embedded into the vertical guide groove is formed by protruding the longitudinal outer side of the horizontal guide rail 2; through the setting of vertical guide way, very big improvement 2 vertical motion's of horizontal guide rail accuracy nature and stability, improve the powder paving device 1 control accuracy greatly, guarantee that the machining precision is high.
In this embodiment, the horizontal guide rail 2 includes a front horizontal guide rail 20 and a rear horizontal guide rail 21 which are longitudinally distributed in a front-back direction, the front horizontal guide rail 20 and the rear horizontal guide rail 21 are both located between the left and right wedge-shaped seats, the inclined surfaces of the left and right wedge-shaped seats are provided with four sliding guide grooves 13 which respectively correspond to two ends of the front horizontal guide rail 20 and two ends of the rear horizontal guide rail 21, and the sliding guide grooves are arranged along the direction of the inclined sides of the longitudinal sections of the corresponding left and right wedge-shaped seats; further improve the motion stability of horizontal guide rail 2, avoid unnecessary moment to produce.
In this embodiment, the wedge seat driving assembly includes a wedge seat driving motor 14 and a driving screw in transmission fit with an output shaft of the wedge seat driving motor, the bottoms of the left and right wedge seats are respectively provided with a left driving screw hole and a right driving screw hole in a direction opposite to the rotation direction of the left driving screw hole, an outer circle of the driving screw is sequentially provided with a first outer thread section in threaded fit with the left driving screw hole and a second outer thread section in threaded fit with the right driving screw hole along the axial direction, and the wedge seat driving motor realizes mutual approaching or distancing between the left and right wedge seats by driving the driving screw to rotate forward or backward; through setting up left side drive screw and right drive screw to same pitch and pitch value less, do benefit to and improve the drive accuracy, the drive is smooth and easy, and structural stability is good.
In the embodiment, the driving screw comprises a front driving screw 15 and a rear driving screw 16 which are longitudinally arranged in a front-back manner, an output shaft of the wedge seat driving motor is positioned between the ends of the front driving screw and the rear driving screw at the same side, a power output gear 17 is fixedly sleeved outside the output shaft of the wedge seat driving motor, power input gears are respectively fixedly sleeved at the ends of the front driving screw and the rear driving screw, and the power output gears are meshed with the two power input gears 18 and reduce the speed to transmit power; the diameter of the power output gear is larger than the radius of the power input and output gear, the structure is simple and compact, power is transmitted through speed reduction, torque is improved, driving is guaranteed, and meanwhile high sliding precision of the left wedge-shaped seat and the right wedge-shaped seat is guaranteed.
In this embodiment, the bottom of the rack is provided with a transverse guide groove for guiding the left and right wedge-shaped seats in the transverse direction, the bottoms of the left and right wedge-shaped seats are provided with transverse guide blocks which are embedded into the transverse guide groove in a form-fitting manner, and the transverse guide groove and the vertical guide groove are dovetail grooves; smooth sliding and stable structure.
In this embodiment, a walking mechanism capable of being locked is arranged at the bottom of the rack; the running mechanism is a roller, the roller is provided with an existing locking mechanism, the rack is guaranteed to be easy to move, and the machine is suitable for in-situ processing.
Certainly, when the whole device is used, an outer cover is matched with the sealing cover which is arranged on the whole device and has a closed bottom opening and a closed bottom surface, and the sealing cover can be a transparent and telescopic cover body, so that the sealing cover is beneficial to vacuumizing and introducing inert gas for processing when in use.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. The utility model provides a vertical actuating mechanism of hydraulic pressure location type for laser melting powder paving device which characterized in that: the device comprises a left wedge-shaped seat and a right wedge-shaped seat which are positioned at two ends of a horizontal guide rail and have right-angled triangle-shaped longitudinal sections, and a wedge-shaped seat driving component for driving the left wedge-shaped seat and the right wedge-shaped seat to slide along a transverse single degree of freedom; the two ends of the horizontal guide rail are respectively provided with a left roller and a right roller, the left roller is pressed against the driving inclined surface of the left wedge-shaped seat, the right roller is pressed against the driving inclined surface of the right wedge-shaped seat, and the wedge-shaped seat driving assembly is used for driving the left wedge-shaped seat and the right wedge-shaped seat to approach or separate from each other to realize ascending or descending of the horizontal guide rail; a hydraulic hold down assembly is included for applying a downward hydraulic hold down force to the horizontal rail.
2. The hydraulic positioning type vertical driving mechanism for the laser melting powder spreading device according to claim 1, characterized in that: the hydraulic pressure compresses tightly the subassembly and includes hydraulic pump, pneumatic cylinder, back flow and oil storage bin, the oil-out of hydraulic pump and the drive inner chamber intercommunication of pneumatic cylinder and the hydraulic stem of drive pneumatic cylinder compress tightly horizontal guide rail downwards, and the oil inlet of hydraulic pump passes through pipeline and oil storage bin intercommunication, the back flow is provided with the solenoid valve that is used for controlling the back flow break-make, and the one end of back flow and the drive inner chamber intercommunication of pneumatic cylinder, the other end and oil storage bin intercommunication.
3. The hydraulic positioning type vertical driving mechanism for the laser melting powder spreading device according to claim 2, characterized in that: the section of the horizontal guide rail is in a shape of a transverse convex with the top directed inwards in the longitudinal direction, the upper surface and the lower surface of the inner side of the horizontal guide rail are respectively provided with a strip-shaped tooth, the upper surface and the lower surface of the outer side of the horizontal guide rail form sliding limiting surfaces which move horizontally, and the end part of the powder spreading device forms a horizontal guide groove with two inner side walls which are suitable for being externally sleeved on the two sliding limiting surfaces.
4. The hydraulic positioning type vertical driving mechanism for the laser melting powder spreading device according to claim 1, characterized in that: the apex angle of the left wedge-shaped seat and the right wedge-shaped seat is 3-8 degrees.
5. The hydraulically positioning vertical drive mechanism for a laser melting dusting device of claim 3, characterized in that: the vertical driving mechanism further comprises a vertical guide post fixed on the rack, the vertical guide post is transversely positioned in the middle of the horizontal guide rail, a vertical guide groove is vertically formed in the vertical guide post, and a vertical guide block which is embedded into the vertical guide groove in a shape fitting manner is formed in the longitudinal outer side of the horizontal guide rail in a protruding manner; the hydraulic cylinder is fixed at the upper end of the vertical guide groove, and a hydraulic rod of the hydraulic cylinder is downwards abutted against the vertical guide block.
6. The hydraulic positioning type vertical driving mechanism for the laser melting powder spreading device according to claim 1, characterized in that: horizontal guide includes along vertical front and back horizontal guide and the preceding horizontal guide and the back horizontal guide that distribute, preceding horizontal guide and back horizontal guide all are located between left and right wedge seat, the inclined plane of left and right wedge seat is provided with four sliding guide grooves that correspond with preceding horizontal guide both ends and back horizontal guide both ends respectively, sliding guide groove arranges along the vertical section hypotenuse direction that corresponds left and right wedge seat.
7. The hydraulically positioning vertical drive mechanism for a laser melting dusting device of claim 4, characterized in that: the wedge seat driving assembly comprises a wedge seat driving motor and a driving screw matched with an output shaft of the wedge seat driving motor in a transmission mode, a left driving screw hole and a right driving screw hole opposite to the left driving screw hole in rotation direction are respectively formed in the bottom of the left wedge seat and the bottom of the right wedge seat, a first external thread section matched with the left driving screw hole in a threaded mode and a second external thread section matched with the right driving screw hole in a threaded mode are sequentially arranged on the outer circle of the driving screw in the axial direction, and the wedge seat driving motor drives the driving screw to rotate positively or reversely to enable the left wedge seat and the right wedge seat to be close to or far away from each other.
8. The hydraulically positioning vertical drive mechanism for a laser fusion breading apparatus of claim 7 wherein: the driving screw comprises a front driving screw and a rear driving screw which are longitudinally arranged in a front-back mode, an output shaft of the wedge seat driving motor is located between the end portions of the front driving screw and the rear driving screw on the same side, a power output gear is arranged on an output shaft fixing outer sleeve of the wedge seat driving motor, power input gears are respectively fixedly sleeved at the end portions of the front driving screw and the rear driving screw, and the power output gear is meshed with the two power input gears and is used for reducing speed to transmit power.
9. The hydraulically positioning vertical drive mechanism for a laser melting dusting device of claim 5, characterized in that: the bottom of the rack is provided with a transverse guide groove used for transversely guiding the left wedge-shaped seat and the right wedge-shaped seat, the bottom of the left wedge-shaped seat and the bottom of the right wedge-shaped seat are provided with transverse guide blocks which are embedded into the transverse guide groove in a shape fitting mode, and the transverse guide groove and the vertical guide groove are dovetail grooves.
10. The hydraulically positioning vertical drive mechanism for a laser melting dusting device of claim 5, characterized in that: and a walking mechanism which can be locked is arranged at the bottom of the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810625708.4A CN108746618B (en) | 2018-06-18 | 2018-06-18 | Hydraulic positioning type vertical driving mechanism for laser melting powder spreading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810625708.4A CN108746618B (en) | 2018-06-18 | 2018-06-18 | Hydraulic positioning type vertical driving mechanism for laser melting powder spreading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108746618A CN108746618A (en) | 2018-11-06 |
| CN108746618B true CN108746618B (en) | 2020-07-10 |
Family
ID=63978501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810625708.4A Active CN108746618B (en) | 2018-06-18 | 2018-06-18 | Hydraulic positioning type vertical driving mechanism for laser melting powder spreading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108746618B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625062A (en) * | 2015-03-03 | 2015-05-20 | 重庆大学 | Reciprocating powder laying device for selective laser melting |
| CN106393690A (en) * | 2016-10-13 | 2017-02-15 | 河南龙璟科技有限公司 | Precise guiding stable feeding device for 3D printer |
| CN206633416U (en) * | 2017-03-17 | 2017-11-14 | 南京增材制造研究院发展有限公司 | A kind of 3D printing powder feeding and spreading coordinated type two-way powder laying device and equipment |
| CN206798746U (en) * | 2017-04-24 | 2017-12-26 | 天津市晶之特研磨有限公司 | A kind of escalator |
| CN207427727U (en) * | 2017-11-02 | 2018-06-01 | 厦门拓农农业机械有限公司 | A kind of double colter ridging shapers |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170348792A1 (en) * | 2016-06-01 | 2017-12-07 | Arcam Ab | Method for additive manufacturing |
-
2018
- 2018-06-18 CN CN201810625708.4A patent/CN108746618B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625062A (en) * | 2015-03-03 | 2015-05-20 | 重庆大学 | Reciprocating powder laying device for selective laser melting |
| CN106393690A (en) * | 2016-10-13 | 2017-02-15 | 河南龙璟科技有限公司 | Precise guiding stable feeding device for 3D printer |
| CN206633416U (en) * | 2017-03-17 | 2017-11-14 | 南京增材制造研究院发展有限公司 | A kind of 3D printing powder feeding and spreading coordinated type two-way powder laying device and equipment |
| CN206798746U (en) * | 2017-04-24 | 2017-12-26 | 天津市晶之特研磨有限公司 | A kind of escalator |
| CN207427727U (en) * | 2017-11-02 | 2018-06-01 | 厦门拓农农业机械有限公司 | A kind of double colter ridging shapers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108746618A (en) | 2018-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203370980U (en) | Full-automatic hydraulic aligning and bending integrated machine | |
| CN108746618B (en) | Hydraulic positioning type vertical driving mechanism for laser melting powder spreading device | |
| CN201109205Y (en) | Stop adjusting device for press slide | |
| CN206966647U (en) | A kind of steel band sealing device of formation cylinder | |
| CN101357441A (en) | Fluid-pressure driven differential feeding system | |
| CN108436086B (en) | Vertical driving mechanism for selective laser melting processing powder laying device | |
| CN114248335A (en) | Horizontal stair mould | |
| CN107575588A (en) | It is a kind of can quick regulation and registration butterfly valve | |
| CN107120324A (en) | Gear pump control hydraulic control system of bender | |
| CN108941554B (en) | Laser melting forming machine with excess material recovery function | |
| CN206723171U (en) | Gear pump control hydraulic control system of bender | |
| CN202846097U (en) | Grinding machine special for linear guide rail | |
| CN202506961U (en) | Three-dimensional laser cutting machine | |
| CN205733867U (en) | A kind of guide pin bushing seat rotational structure | |
| CN205129032U (en) | Reshaping device for inner hole of valve body | |
| CN108746617B (en) | Selective laser melting device with electromagnetic positioning powder spreading device | |
| KR100952169B1 (en) | Rotary actuator using hydraulic power | |
| CN108788149B (en) | Bidirectional paving laser processing system | |
| CN108723367B (en) | Selective laser melting system | |
| CN112658344A (en) | Multi-angle plastic mold surface grinding and milling device and plastic mold machining process | |
| CN206738295U (en) | Numerical control gang drill cylinder assembly | |
| CN202491444U (en) | Screw rod wedge-type main drive device of ultrahigh-speed full-servo turret punch press | |
| CN2503115Y (en) | Hydraulic plate vibrating rammer | |
| CN204935885U (en) | Hydraulic brick making machine track mould pusher | |
| CN108859107B (en) | Powder filtering type laser in-situ forming device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200615 Address after: Room 595, Room 201, 2f, supervision building, processing trade zone, fftp, Fujian Province (No.9, Xinjiang road, Xincuo Town, Fuqing City) (within the free trade zone) Applicant after: FUQING CHUANGJIA INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 402247 No. 401 Fuyun Avenue, Shuang Fu Street, Jiangjin District, Chongqing, 3 No. 9-4 Applicant before: CHONGQING ENGUANG TECHNOLOGY Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |