CN209599855U - Increasing material manufacturing two-way quantitative is for powdering assembly - Google Patents

Abstract

The utility model discloses a kind of increasing material manufacturing two-way quantitatives for powdering assembly, including workbench, reciprocally left and right linear slide is installed on the powder supply mechanism on workbench, it is installed on the first driving device for being used to that powder supply mechanism to be driven to slide on workbench and is installed on workbench and is located on powder supply mechanism sliding path for two powder feeder units for powder supply mechanism powder supply, the powder supply mechanism includes driving the scraper mounting base to reciprocatingly slide by first driving device, it is installed on the scraper of scraper mounting base bottom and is set to two powdering runners in scraper mounting base and being located at left and right sides of scraper, the powder feeder unit bottom offers powder feeding tank, two powdering runners are respectively used to accept the two-way powder laying that the powder that two powder feeding tanks are fallen realizes powder supply mechanism；The utility model can two-way powder laying, avoid idle stroke, be effectively utilized two-way travel carry out powdering operation, improve powdering efficiency.

Description

Increasing material manufacturing two-way quantitative is for powdering assembly

Technical field

The utility model belongs to increases material manufacturing technology field, in particular to a kind of increasing material manufacturing two-way quantitative is total for powdering At.

Background technique

Based on the process characteristic that increasing material manufacturing is successively processed, before each scanning machining, one layer of new powder will be sprawled, For being sintered or melting, large-scale increasing material manufacturing equipment shaping area is big, and required powdering blade construction span is big, and stroke is remote, is bound to There is higher requirement to the scraper device rigidity of structure and working efficiency；In the prior art, it is in a cycle of power spreading device Single stone and scraper easily lead to idle stroke, reduce working efficiency.

Therefore, in order to solve the above problem, a kind of increasing material manufacturing two-way quantitative is needed to can be realized for powdering assembly in single-revolution Powdering twice in phase avoids idle stroke, improves working efficiency, and control mechanism is simple and compact for structure, controls easy to operate.

Utility model content

In view of this, the present invention provides a kind of increasing material manufacturing two-way quantitatives for powdering assembly, can be realized in single-revolution Powdering twice in phase avoids idle stroke, improves working efficiency, and control mechanism is simple and compact for structure, controls easy to operate.

The increasing material manufacturing two-way quantitative of the utility model is for powdering assembly, including workbench, reciprocally left and right linear slide The powder supply mechanism that is installed on workbench, be installed on first driving device on workbench for driving powder supply mechanism to slide and It is installed on workbench and is located on powder supply mechanism sliding path for two powder feeder units for powder supply mechanism powder supply, the paving Powder mechanism includes the scraper mounting base to be reciprocatingly slided by first driving device driving, the scraper for being installed on scraper mounting base bottom And two powdering runners in scraper mounting base and being located at left and right sides of scraper are set to, the powder feeder unit bottom offers Powder feeding tank, two powdering runners are respectively used to accept the two-way powder laying that the powder that two powder feeding tanks are fallen realizes powder supply mechanism.

Further, can penetrate through direction sliding in the powdering runner along it is provided with runner liner, on the workbench It is provided with the pressing device being used cooperatively with runner liner, after the runner liner is docked with powder feeding tank, pressing device is pressed on stream Road liner bottom makes runner liner upward sliding and constitutes the runner of closure between powder feeding tank.

Further, the powder feeder unit include be fixed on the worktable for store powder for powder box, be connected to powder supply Cassette bottom portion is simultaneously used for the quantitatively supplying powder mechanism for powdering runner quantitatively supplying powder, the quantitatively supplying powder mechanism with for the perforation of powder box inner cavity Bottom offers the powder falling slot for powder falling.

Further, runner liner top and bottom edge, which has, extends outwardly for runner liner to be limited to powdering Defining flange in runner, the pressing device are to be set on workbench to be located at below two powder feeding tanks and be respectively cooperating with Two boss that two runner liners use, the opposite side of two boss has to be extended gradually outward along the two center The inclined-plane or curved surface raised, the inclined-plane or curved surface with the defining flange below corresponding runner liner for contacting and to flow Lining sliding pressure is tightly on powder feeder unit in road.

Further, the defining flange of two runner liner bottoms extends along the front and back side of scraper respectively and exceeds scraper With the front and back end of scraper mounting base, two boss be divided into the front and back side of scraper and scraper mounting base and with substrate in two runners The defining flange in portion is used in combination.

Further, there is the curved surface being arc-shaped in the opposite side of described two boss.

Further, the quantitatively supplying powder mechanism include powder supply roller bearing mounting base, powder supply roller bearing and driving powder supply roller bearing with The second driving device rotated centered on its own axis, the powder supply roller bearing mounting base are connected to powder supply cassette bottom portion, the confession Columnar powder supply chamber is offered in powder roller bearing mounting base, the powder supply roller bearing diameter is adapted simultaneously rotatable with powder supply chamber diameter It is installed on that powder supply is intracavitary, the holding groove made for powder box inner cavity and the perforation of powder supply chamber is offered above the powder supply roller bearing mounting base, The powder falling slot is opened in below powder supply roller bearing mounting base, and the powder supply roller bearing circumferential surface is evenly distributed with quantifying of axially extending Powder feeding tank.

Further, the powder feeder unit further includes powder supply plate, and the powder supply plate is vertically extending to be connected to the installation of powder supply roller bearing Seat bottom is simultaneously covered in powder falling slot bottom end, and the powder feeding tank is vertically opened on powder supply plate and penetrates through with powder falling slot.

Further, powder supply cassette bottom portion is provided with the powder falling portion being arc-shaped to lower recess radial section, the undertaking Slot is opened in powder falling portion bottom and axially extends, and described for being coaxially arranged with shaft in powder box with powder falling portion, the shaft passes The open and close door of dynamic cooperation being connected with for opening or closing holding groove, the open and close door fit in powder falling portion medial surface and with fall Powder portion medial surface is adapted.

Further, second driving device includes being installed on the actuator being used to provide power on workbench and passing through Actuator drives and reaches power the mediation member of powder supply roller bearing, and powder supply roller bearing end is provided with for passing with centre The polygon drive lugs of moving part cooperation, are provided with transmission compatible with polygon drive lugs on the mediation member Hole, the polygon drive lugs are located in driving hole.

The utility model has the beneficial effects that

The utility model can realize that two-way powder laying operates, and avoid idle stroke, improve powdering efficiency, while powdering runner It is integrated in scraper mounting base, switching device that no setting is required realizes the bidirectional operation of powdering, this structure simplifies two-way powder laying Structure, while scraping powder and power spreading device is integrated in one, improve powdering and scraping the stability of powder, two-way interaction improves Powdering effect；Powdering runner temporarily accepts powder in moving process, this structure can facilitate selective in powdering runner Carry out powder supply, the powder supply operation to different powdering runners can be realized by the control of stroke to scraper mounting base, this structure without The switching device of powdering runner need to be set, and to powder supply in powdering runner before powdering, so that powder is in powdering runner Squeezed state remains constant, and the powder bed of laying remains that thin and thick is uniform, improves powdering quality；

Closure runner is formed when the utility model powder supply, between runner liner and powder feeding tank, is reduced fugitive dust, is effectively prevented Fugitive dust blocks laser effect sintering or fusing effect, and also avoiding fugitive dust influences powdering effect, while also reducing fugitive dust to work Make dust pollution phenomenon caused by the inside and outside environment in cabin, improve sintering quality and powdering effect, improves the work inside and outside work chamber Make environment；Cooperated by simple boss structure and the sliding stroke of scraper mounting base realizes between runner liner and powder feeding tank Closure, this structure is simple, and easily operated, the sliding of runner liner can be realized in dedicated power device that no setting is required；Boss Curved surface in the arc-shaped is set, and when this structure moves up runner liner along boss curved surface, initial velocity is larger, in movement When to highest point, speed goes to zero, so that the defining flange at the top of runner liner is gently bonded with powder feeder unit bottom, stress is equal Obturation effect that is even, both improving, avoid as excessive velocities and caused by rigid collision can be protected during being used for multiple times The sealing effect for demonstrate,proving the two, improves the access times of runner liner；

The utility model realizes the accurate flow control of powder by quantitatively supplying powder mechanism, accurately controls the laying of powder Area, when scraper mounting base slides into least significant end, it is ensured that powder inside is fallen to the greatest extent, is avoided invalid powdering from operating, is improved The utilization rate of powder reduces the powder for needing to recycle, improves powdering efficiency.

Detailed description of the invention

The utility model is further described with reference to the accompanying drawings and examples.

Fig. 1 is the utility model schematic perspective view；

Fig. 2 is the utility model structure diagram；

Fig. 3 is the utility model schematic cross-sectional view；

Fig. 4 is the A point enlarged structure schematic diagram of Fig. 3；

Fig. 5 is powder supply roller bearing driving device structure schematic diagram；

Fig. 6 is boss enlarged structure schematic diagram；

Fig. 7 is scraper mounting base structural schematic diagram；

Fig. 8 is runner inner lining structure schematic diagram；

Fig. 9 is powder supply roller bearing mounting base structural schematic diagram；

Figure 10 is powder supply rolling shaft structure schematic diagram；

Figure 11 is powder supply box structure schematic diagram；

In attached drawing: 1- scraper mounting base, 2- scraper, 3- powdering runner, 4- pacify for powder box, 4a- powder falling portion, 5- powder supply roller bearing Fill seat, 5a- powder falling slot, 5b- holding groove, 6- powder supply roller bearing, 6a- quantitatively supplying powder slot, 6b- polygon drive lugs, 7- powder supply chamber, 8- powder supply plate, 8a- powder feeding tank, 9- runner liner, 10- defining flange, 11- boss, 12- accumulator tank, 13- shaft, 14- opening and closing Door, 15- guide rail, 16- work chamber, 17- unthreaded hole, 18- workbench, 19- first motor, 20- ball-screw, 21- connecting plate, 22- Fleshing through slot, 23- third motor, 24- driving pulley, 25- driven pulley, 26- belt, 27- backboard, 28- bearing, 29- guiding Wall, 30- mounting plate, 31- reinforcing rib.

Specific embodiment

Fig. 1 is the utility model schematic perspective view；Fig. 2 is the utility model structure diagram；Fig. 3 is that this is practical new Type schematic cross-sectional view；Fig. 4 is the A point enlarged structure schematic diagram of Fig. 3；Fig. 5 is powder supply roller bearing driving device structure schematic diagram； Fig. 6 is boss enlarged structure schematic diagram；Fig. 7 is scraper mounting base structural schematic diagram；Fig. 8 is runner inner lining structure schematic diagram；Fig. 9 For powder supply roller bearing mounting base structural schematic diagram；Figure 10 is powder supply rolling shaft structure schematic diagram；Figure 11 is powder supply box structure schematic diagram；

The present embodiment middle left and right, front and rear direction are corresponding with the direction Fig. 2, that is, face product left side shown in Fig. 2 and be Left direction in the present embodiment, facing product right side shown in Fig. 2 is the right direction in the present embodiment.

As shown in the figure: the increasing material manufacturing two-way quantitative of the present embodiment is for powdering assembly, including workbench, reciprocally left and right is straight Powder supply mechanism that line is slidably mounted on workbench is installed on the first driving dress on workbench for driving powder supply mechanism to slide It sets and is installed on workbench and be located on powder supply mechanism sliding path for two powder feeder units for powder supply mechanism powder supply, The powder supply mechanism includes the scraper mounting base 1 to be reciprocatingly slided by first driving device driving, is installed on scraper mounting base bottom The scraper 2 in portion and the two powdering runners 3 for being set in scraper mounting base and being located at left and right sides of scraper, the powder feeder unit Bottom offers powder feeding tank 8a, and two powdering runners are respectively used to the powder that two powder feeding tanks of undertaking are fallen and realize powder supply mechanism Two-way powder laying；

Workbench is not limited to traditional open platform in the present embodiment, and the preferred workbench of the present embodiment is work chamber 16, work chamber is hollow rectangular parallelepiped structure, and the components such as powder supply mechanism, the first driving structure and powder feeder unit are set to work To make in the inner cavity of cabin, the side wall of work chamber offers operation window, and certainly, the specific structure of work chamber is not limited to rectangular parallelepiped structure, It can be adjusted correspondingly according to the product of printing and the factors such as setting of inner components, and details are not described herein again, work The unthreaded hole 17 passed through for laser is offered at the top of cabin, it is logical that the bottom face unthreaded hole of work chamber is connected with the forming extended downwardly Road is provided with forming workbench 18 in formed channel, and forming workbench is liftable to be set in formed channel, and shape is specifically gone up and down Formula can realize that details are not described herein again by linear motor, hydraulic cylinder or other structures, and two powder feeder units are set to forming work The left and right sides of platform 18, first driving device use first motor 19, and first motor and the transmission of ball-screw 20 cooperate, ball wire Thick stick is threadedly coupled with sliding block, and sliding block is raised on 21 back of connecting plate, and scraper mounting base back fixation is connected on front side of connecting plate, The accurate driving to powder supply mechanism is realized by the cooperation of motor and ball-screw, and there are two bearings for setting on work chamber side wall Seat, ball-screw both ends are installed on the bearing in bearing block, and concern lead screw is made to be rotatably assorted with work chamber through this structure, The stability of ball-screw is improved, scraper mounting base bottom is provided with T shape mounting groove, and the installation of T shape is provided at the top of scraper Boss, T shape installation base are set to the installation that scraper is realized in T shape mounting groove, this structure facilitates the installation and removal of scraper, just In Maintenance and Repair, scraper bottom is provided with chamfering along the two sides of scraper glide direction, during powder is scraped in scraper sliding, by falling Angle has downward pressure to powder, and, to adjust the compaction rate of powder, can be improved by pressure under the angular adjustment of chamfering Powder laying effect；There is the inclined-plane tilted upward from outside to inside in scraper mounting base, may make scraper to install by this inclined-plane Seat side forms triangular structure or forms ladder structure of right angle, and scraper mounting base 1 is installed on connecting plate 21 and forms triangle Cantilever design improves the stability of scraper mounting base, and certainly, scraper mounting base is not limited to this cantilever design, when for big When type increasing material manufacturing equipment, since scraper installation holder structure is larger, guide rail can be set in scraper mounting base two sides at this time and form frame Hollow structure drives scraper mounting base to run on two guide rails by driving device, when scraper installation holder structure is larger, can adopt The stability of scraper mounting base is improved with the arrangement of other forms, details are not described herein again；The side of scraper mounting base opens up There is fleshing through slot 22, fleshing through slot cross section structure triangular in shape is guaranteeing scraper mounting base overall structural strength through this structure Under the premise of reduce the weight of scraper mounting base, reduce the materials of scraper mounting base, save the cost, two powdering runners 3 It penetrates through from the inclined-plane in scraper mounting base to bottom, by this inclined-plane scraper mounting base and powder feeder unit can be formed good Cooperation forms a closed runner, can effectively reduce and raise that is, so that powder feeding tank 8a and powdering runner form good perforation Dirt improves powdering effect, while scraper mounting base is divided into three parts by two powdering runners, that is, is located at two powdering runners The two parts in outside and a part among two powdering runners, this three parts structure is in the work for vertically playing reinforcing rib With since runner liner is with the vertical engagement process of powder supply plate, scraper mounting base will receive vertical active force, be reinforced by this Muscle structure vertically improves the intensity of scraper mounting base, and deformation occurs when preventing scraper mounting base by vertical active force, It avoids improving the stabilization of powdering since deformation occurs and leads to runner liner and powdering runner deformation occurs for scraper mounting base Property and powdering effect, while scraper mounting base provides stable support for scraper, avoids scraper stress and deformation and influences to scrape powder Effect；

When in use, the sliding stroke of scraper mounting base is accurately controlled by controlling the start and stop of first motor 19, when scraping Knife mounting base from left to right powdering when, powdering runner on the right side of scraper carries out powdering operation, while after being located at glide direction The scraper of side carries out scraping powder operation, and the powder stored in powder supply runner when laying to the rightmost side is just fallen to the greatest extent, is now placed in and scrapes Powdering runner on the left of knife is docked with the powder feeding tank of right side powder feeder unit, by the powder feeder unit on right side on the left of scraper Powdering runner realizes powder supply operation, and part of flow of powder to work chamber bottom, which is formed, accumulates and block up powdering runner bottom Plug, so that powder storing is in powdering runner, the position of powder accumulation is preferably disposed on formed channel side, can avoid pile of grounds The influence that product is laid with powder on forming workbench, when scraper mounting base is slided from right to left, left side powdering runner is spread Powder operation, while being located at the scraper on rear side of glide direction and carrying out scraping powder operation, it is stored in powder supply runner when laying to the leftmost side Powder just fall to the greatest extent, be now placed in the powdering runner on the right side of scraper and docked with the powder feeding tank of left side powder feeder unit, pass through on the left of Powder feeder unit to be located at scraper on the right side of powdering runner realize powder supply operation, then scraper mounting base continuation realize from left to right Powdering operation, carries out next powdering process, the powdering being always ensured that on front side of scraper mounting base glide direction during powdering Runner carries out powdering operation, and scraper, which is located at rear side, to carry out scraping powder operation, what this was obviously contemplated that for those skilled in the art, Specifically repeat no more；Two-way powder laying operation is realized by above-mentioned powdering process, is avoided idle stroke, is improved powdering efficiency, together When powdering runner be integrated in scraper mounting base, switching device that no setting is required realizes the bidirectional operation of powdering, this structure simplifies The structure of two-way powder laying, scrapes powder and power spreading device is integrated in one, and improves powdering and scrapes the stability of powder, the two phase interaction With improving powdering effect；Powdering runner temporarily accepts powder in moving process, this structure can facilitate selective to powdering Powder supply is carried out in runner, and the powder supply to different powdering runners can be realized to the stroke control of scraper mounting base by first motor Operation, the switching device of this structure no setting is required powdering runner, and to powder supply in powdering runner before powdering, so that powder exists Squeezed state in powdering runner remains constant, and the powder bed of laying remains that thin and thick is uniform, improves powdering quality.

Direction sliding can be penetrated through in powdering runner described in the present embodiment along it is provided with runner liner 9, the work The pressing device being used cooperatively with runner liner is provided on platform, after the runner liner is docked with powder feeding tank 8a, pressing device Runner liner bottom is pressed on to make runner liner upward sliding and constitute the runner of closure between powder feeding tank；The setting of powdering runner For through slot structure, similar to the waist-shaped hole structure of lengthening, runner liner is thin-walled annular structure compatible with powdering runner, this When powder feeder unit powder supply when, powder storing is in runner liner, after runner liner is docked with powder feeding tank 8a, passes through pressing device pressure Make its upward sliding in runner liner bottom, runner liner bottom is against powder feeder unit bottom and makes runner liner and powder feeding tank Between form closure runner, pressing device can be the hydraulic mechanism for being set to work chamber bottom, when normal condition, hydraulic mechanism Output end bounces back in work chamber bottom, and the components such as hydraulic mechanism output end and scraper is avoided to interfere, when scraper is installed After seat positioning is so that runner liner docks with powder feeding tank 8a, hydraulic structure, which acts its output end and moves up, is against runner liner bottom, Realize moving up for runner liner, certain pressing device is not limited to hydraulic system, can pass through the other structures such as spring part, motor Form provides the power compressed, and details are not described herein again；Powder fugitive dust caused by this structure can effectively avoid due to intermediate gap, It effectively prevents fugitive dust and blocks laser effect sintering or fusing effect, also avoiding fugitive dust influences powdering effect, while also reducing Fugitive dust dust pollution phenomenon caused by the inside and outside environment of work chamber, improves sintering quality and powdering effect, improves work Working environment inside and outside cabin.

In the present embodiment, the powder feeder unit include be fixed on the worktable for store powder for powder box 4, be connected to Powder supply cassette bottom portion is simultaneously used for the quantitatively supplying powder mechanism for powdering runner quantitatively supplying powder, the quantitatively supplying powder with for the perforation of powder box inner cavity Actuator base offers the powder falling slot 5a for powder falling；This powder falling slot 5a can be used directly as powder feeding tank 8a, certainly such as Fig. 3 institute Show, powder feeding tank is opened on powder supply plate and is located at below powder falling slot, and the two is formed through closure runner, for powder box and quantitatively supplying powder The connection of mechanism removably can be integrated in the two in quantitatively supplying powder mechanism for powder box certainly and be integrally formed setting, the present embodiment In preferred detachable connection method, facilitate the disassembly for powder box and quantitatively supplying powder mechanism, maintenance, for the side wall of powder box at least side It tilts down and to form guide wall 29 powder supply cassette bottom portion is reduced downwards, guide wall is parallel to holding groove length direction, described to lead Holding groove side is extended downward into wall, by being oriented to the flowing of wall guided powder, the delay of powder is avoided, for powder box by powder It being supplied by the powder falling slot of quantitatively supplying powder mechanism to powder feeding tank, quantitatively supplying powder mechanism can be accurately powder supply in powdering runner, The speed of powder outflow and the sliding speed and sliding distance of scraper mounting base of cooperation powdering runner accurately control powder Laying area, when scraper mounting base slides into least significant end, it is ensured that powder inside fall to the greatest extent, avoid invalid powdering from operating, The utilization rate for improving powder reduces the powder for needing to recycle, improves powdering efficiency.

There is horizontal-extending mounting plate 30 in powder supply cassette bottom portion, between the mounting plate and guide wall on the outside of for powder box Form Delta Region；Between the mounting plate and guide wall formed Delta Region in be provided with it is a plurality of by the two be linked together plus Strengthening tendons 31 are provided with a guide wall for powder box as shown in figure 11, so that being installed for the trapezoidal structure in powder box side by setting Plate improves the stability installed for powder box, while by adding reinforcing rib raising for the integral strength of powder box.

There is edge in the present embodiment, at the top and bottom of the runner liner extends outwardly for runner liner to be limited to Defining flange 10 in powdering runner, the pressing device are to be set on workbench to be located at below two powder feeding tank 8a simultaneously Two boss 11 that two runner liners use are respectively cooperating with, the opposite side of two boss has outside along the two center Side extends the inclined-plane or curved surface gradually raised, the inclined-plane or curved surface for connecing with the defining flange below corresponding runner liner It touches and makes in runner lining sliding pressure tightly on powder feeder unit；Upper and lower defining flange and runner liner form I-shaped structure, limit The length of width or defining flange that the width of position flange should be greater than powdering runner should be greater than the length of powdering runner, to reach Runner liner is limited to the purpose in powdering runner, the height of runner liner should be slightly above the height of powdering runner, so that stream Road liner can slide up and down in powdering runner, can increase and be pressed on the binding face of powder feeder unit bottom by upper limit flange, So that the two fits closely, the obturation effect of the two is improved, upper limit flange may be configured as elastic material, such as rubber material, During runner liner moves up, powder feeder unit bottom is deformed in by the upper limit flange extrusion of rubber material, so that runner The runner of closure is constituted between liner and powder feeding tank, boss may be configured as wedge block, may be alternatively provided as semicircular structure, certainly It may be configured as other polymorphic structures, details are not described herein again, preferred semi-circular lands in the present embodiment, as shown in fig. 6, scraping When knife mounting base is moved to the leftmost side, boss 11 gradually raises the limit of the runner liner bottom on the right side of scraper by extrados Position flange, the defining flange of top is pressed in powder feeder unit bottom, so that constituting the stream of closure between runner liner and powder feeding tank Road, when boss and defining flange disengaging, runner liner is cooperated by the automatic reset of gliding of self weight by simple boss structure The sliding stroke of scraper mounting base realizes the closure between runner liner and powder feeding tank, this structure is simple, easily operated, is not necessarily to Dedicated power device, which is arranged, can be realized the sliding of runner liner.

In the present embodiment, the defining flange of two runner liner bottoms extends and exceeds along the front and back side of scraper respectively The front and back end of scraper and scraper mounting base, two boss be divided into the front and back side of scraper and scraper mounting base and in two runners The defining flange in substrate portion is used in combination；As shown in fig. 6, being located at the runner liner on the right side of scraper, the defining flange of bottom The front side for extending forwardly into scraper and scraper mounting base front end face, the boss setting on the left of forming workbench in scraper and are scraped The front side of knife mounting base front end face, similarly for the runner liner being located on the left of scraper, bottom defining flange is extanded rearward to The rear side of scraper and scraper mounting base rear end face, after the boss on the right side of forming workbench is set to scraper and scraper mounting base The rear side of end face is provided allows bit space through this structure, and scraper mounting base and scraper are not sent out in sliding process with boss Raw interference, and runner of the boss not with runner liner intersects, and does not interfere the laying of powder.

In the present embodiment, there is the curved surface being arc-shaped in the opposite side of described two boss 11；Curved surface in the arc-shaped is set, The defining flange of runner liner bottom is against when moving upwards on curved surface, and the speed that runner liner moves up is curved variation, By the bending radius of Control curve to control the initial velocity and terminate speed that liner moves up, at two in the present embodiment The opposite side bottom of boss to its highest point is preferably provided to 1/4 arc surface, and the curved surface tangent line of boss highest point is horizontal；This structure When so that runner liner being moved up along boss curved surface, initial velocity is larger, and when being moved to highest point, speed goes to zero, so that Defining flange at the top of runner liner is gently bonded with powder feeder unit bottom, uniform force, is improved the obturation effect of the two, is avoided Rigid collision caused by as excessive velocities, during being used for multiple times, it is ensured that the sealing effect of the two improves runner Boss is arranged to semicircular structure, sagittal plane end in the present embodiment for convenience of the manufacture of boss by the access times of liner Fit in work chamber bottom.

In the present embodiment, the quantitatively supplying powder mechanism includes powder supply roller bearing mounting base 5, powder supply roller bearing 6 and driving powder supply The second driving device that roller bearing is rotated centered on its own axis, the powder supply roller bearing mounting base are connected to powder supply cassette bottom portion, Columnar powder supply chamber 7 is offered in the powder supply roller bearing mounting base, the powder supply roller bearing diameter is adapted simultaneously with powder supply chamber diameter Rotatably it is installed on that powder supply is intracavitary, offering above the powder supply roller bearing mounting base makes for powder box inner cavity and the perforation of powder supply chamber Holding groove 5b, the powder falling slot 5a are opened in powder supply roller bearing mounting base lower section, and the powder supply roller bearing circumferential surface is evenly distributed with along axis To the quantitatively supplying powder slot 6a of extension；When powder supply roller bearing mounting base is with setting is integrally formed for powder box, holding groove 5b is directly from confession To powder supply cassette bottom portion, when the two is arranged using removably, holding groove uses two-part structure, that is, exists for perforation above powder chamber Above powder supply chamber and powder supply cassette bottom portion is provided with holding groove, and two holding grooves dock the runner to form closure, holding groove with And powder falling slot, along the axially extending of powder supply chamber, powder falling slot position is opened in the top and the bottom of powder supply chamber with holding groove respectively, So that powder falling slot position is in the underface of holding groove, quantitatively supplying powder slot radial section can be for semicircle shape, rectangle or other are polygon Shape structure, powder supply roller bearing are gap-matched with powder supply chamber, and gap width is adjustable according to factors such as powder particle sizes, work as powder supply When roller bearing rotates, above quantitatively supplying powder slot 6a when being docked with holding groove 5b, in flow of powder to quantitatively supplying powder slot, when this determines When amount powder feeding tank is docked with powder falling slot, in flow of powder to powder falling slot, the accurate flow control of powder is realized, powder supply roller bearing turns The dynamic effect that can be achieved actively to extract powder avoids going out for the phenomenon that unsmooth flowing caused by the powder in powder box for a long time accumulation It is existing, as shown in Figure 9 and Figure 10, at powder supply chamber both ends there is diameter to be greater than the mounting hole of the intracavitary diameter of powder supply, this mounting hole is as axis Seat use is held, powder supply roller bearing both ends are rotatably assorted by bearing 28 in bearing block, and powder supply roller bearing can pass through peripheral hardware third motor Direct-connected driving, as shown in figure 5, each quantitatively supplying powder mechanism respectively configures second driving device, the second driving in the present embodiment Device includes third motor 23, driving pulley 24, driven pulley 25, belt 26, and driving pulley 24 and third motor drive cooperate, Powder supply roller bearing and the transmission of driven pulley 25 cooperate, and driving pulley and driven pulley pass through the transmission cooperation of belt 26, each quantitative confession Powder mechanism respectively configures the convenient independent control to quantitatively supplying powder mechanism of a set of drive system, and the driving of certain powder supply roller bearing is simultaneously unlimited In this structure, shift fork can also be cooperated to realize the control to two powder supply roller bearings by retarder, details are not described herein again.

In the present embodiment, second driving device include be installed on the actuator being used to provide power on workbench and The mediation member of powder supply roller bearing is driven and reached power by actuator, and powder supply roller bearing end is provided with for in Between the polygon drive lugs 6b that cooperates of driving member, be provided on the mediation member compatible with polygon drive lugs Driving hole, the polygon drive lugs 6b are located in driving hole；Actuator is third motor, and mediation member is actively Belt wheel, driven pulley and belt, certain mediation member can be to be direct-connected in the monomer wheel on third motor output shaft, specifically not It is repeating；The powder supply roller bearing mounting base is removably connected to work chamber inner wall, and driven pulley end is provided with driving hole, driven Rotational motion is transferred to powder supply roller bearing by the cooperation of driving hole and polygon drive lugs by belt wheel, and polygon drive lugs can Think the structures such as rectangular cam, triangle or pentagon or hexagon, polygon drive lugs are not limited to the more of traditional sense Side shape structure, or the polygonized structures such as spline, gear-like, details are not described herein again, and driven pulley can be unitary structure, That is there are the mounting hole for cooperating with drive shaft in a Wheel structure, wheel body one end, and the other end is provided with driving hole, driven belt Wheel or duplex, i.e., in axially setting, there are two Wheel structure, one of wheel body and drive shafts to cooperate, another Wheel body and polygon drive lugs cooperate, and are not repeating specifically, can be straight when carrying out powdering operation for different classes of powder It connects quantitatively supplying powder mechanism and is removed for powder box, is installed in place by new quantitatively supplying powder mechanism and for powder box, after replacement The polygon drive lugs and driving hole of powder supply roller bearing end cooperate, and powder supply roller bearing mounting base is being fixed on work by screw In cabin, this structure facilitates quantitatively supplying powder mechanism and disassembly and replacement for powder box component as a whole, improves this dress The continuous work ability set, directly with changing quantitatively supplying powder mechanism and for powder box, can avoid to original when needing with changing powder Operating interruptions caused by equipment disassembly and cleaning.

In the present embodiment, the powder feeder unit further includes powder supply plate 8, and the powder supply plate 8 is vertically extending to be connected to powder supply rolling Axis mounting base bottom is simultaneously covered in powder falling slot bottom end, and the powder feeding tank 8a is vertically opened on powder supply plate 8 and passes through with powder falling slot 5a It is logical；Pass through powder supply plate, it is possible to increase the distance between powder supply roller bearing mounting base and scraper mounting base facilitate between each components Arrangement, by the setting of powder supply plate, so that powder supply trench bottom is close to each other between powdering runner top as far as possible, in powder supply roller bearing After mounting base is docked with scraper mounting base, so that forming closed runner between powder feeding tank and powdering runner, the powder fallen is produced Raw dust controlling reduces pollution of the fugitive dust to environment and the influence to powdering quality, improves paving in closed runner Silty amount.

It is described that the powder falling portion 4a being arc-shaped to lower recess radial section, institute are provided with for 4 bottom of powder box in the present embodiment Holding groove 5b is stated to be opened in powder falling portion bottom and axially extend, it is described for being coaxially arranged with shaft 13 with powder falling portion in powder box 4, The open and close door 14 of the rotating shaft transmission cooperation being connected with for opening or closing holding groove, the open and close door fit in powder falling portion Medial surface is simultaneously adapted with powder falling portion medial surface；As shown in figure 4, powder falling portion is strip and prolongs along powder supply roller bearing axial direction It stretches, powder falling portion is located at the lowest part for powder box, extends downward into powder falling portion edge for the side wall of powder box, passes through the guiding of side wall So that powder flows into powder falling portion, it is always ensured that in powder falling portion full of powder, it is each quantitative when cooperation powder supply roller bearing extracts powder The amount of powder that powder feeding tank is extracted maintains in lesser error range, and avoiding leads to each quantitative confession since flow of powder is unsmooth The amount of powder deviation extracted in powder tank is excessive, improves powder supply precision；Open and close door be semi-annular shape structure, the outer diameter of open and close door with The internal diameter in powder falling portion is identical, and open and close door is cooperatively connected by fan-shaped connecting rod transmission in shaft, when shaft rotates, open and close door It is fitted in the medial surface sliding in powder falling portion, open and close door can be used elastic material or metal material, according to the difference of open and close door material, It can be cooperated by way of clearance fit or transition fit between open and close door and powder falling portion, when open and close door uses metal material, The mode that clearance fit can be used avoids the two frictional force excessive, when biggish material elastic using rubber etc., can be used The mode of cooperation is crossed, powder can be pushed into side during closure or openness, facilitate open and close door by the open and close door of this structure Opening and closing, powder not will cause the stuck phenomenon of open and close door, improve the operational reliability of open and close door, reduce powder to open and close door Opening and closing and the influence closed.

In the present embodiment, there are two accumulator tank 12, two accumulator tanks for setting on powder supply mechanism path on the workbench It is divided into the left and right sides in powdering region；Accumulator tank is set to the two sides of two powder feeding tank 8a, and is located at the outside of two convex blocks, The settable recycling box in work chamber bottom, recycling box inner cavity are penetrated through by accumulator tank and work chamber inner cavity, and scraper is by extra powder It is pushed at accumulator tank, powder is fallen in recycling box by accumulator tank, facilitates the recycling of powder.

In the present embodiment, it is fixedly connected on the workbench and is led with scraper mounting base with the use of what is be oriented to it Rail 15, as shown in figure 5, guide rail, first motor and ball-screw are fixedly connected on backboard 27, backboard is fixed on work chamber On inner sidewall, for the operation stability for improving scraper mounting base, setting up and down there are two track on front side of backboard, ball-screw is set It is placed between two tracks, connecting plate back is provided with track groove compatible with track, and track and track groove may be configured as swallow Shape of tail, which is coupled, realizes that the single-degree-of-freedom linear slide of the two may be alternatively provided as other structures form and realize single-degree-of-freedom straight line Sliding, details are not described herein again.

In the present embodiment, the powder supply chamber axial direction and powder supply mechanism glide direction are perpendicular；Powder supply chamber axial direction Vertical with powder supply mechanism glide direction but allow to be kept at an angle error, specific error range is true according to practical laying condition It is fixed, the shape of powder plane laying can be improved through this structure, improve powder laying effect.

Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model It encloses, should all cover in the scope of the claims of the utility model.

Claims (10)

1. a kind of increasing material manufacturing two-way quantitative is for powdering assembly, it is characterised in that: including workbench, reciprocally left and right linear slide The powder supply mechanism that is installed on workbench, be installed on first driving device on workbench for driving powder supply mechanism to slide and It is installed on workbench and is located on powder supply mechanism sliding path for two powder feeder units for powder supply mechanism powder supply, the paving Powder mechanism includes the scraper mounting base to be reciprocatingly slided by first driving device driving, the scraper for being installed on scraper mounting base bottom And two powdering runners in scraper mounting base and being located at left and right sides of scraper are set to, the powder feeder unit bottom offers Powder feeding tank, two powdering runners are respectively used to accept the two-way powder laying that the powder that two powder feeding tanks are fallen realizes powder supply mechanism.

2. increasing material manufacturing two-way quantitative according to claim 1 is for powdering assembly, it is characterised in that: in the powdering runner Direction sliding can be penetrated through along it is provided with runner liner, and the compression being used cooperatively with runner liner is provided on the workbench Device, after the runner liner is docked with powder feeding tank, pressing device is pressed on runner liner bottom and makes runner liner upward sliding And the runner of closure is constituted between powder feeding tank.

3. increasing material manufacturing two-way quantitative according to claim 1 is for powdering assembly, it is characterised in that: the powder feeder unit packet Include be fixed on the worktable for store powder for powder box, be connected to powder supply cassette bottom portion and with for powder box inner cavity perforation for for The quantitatively supplying powder mechanism of powdering runner quantitatively supplying powder, the quantitatively supplying powder actuator base offer the powder falling slot for powder falling.

4. increasing material manufacturing two-way quantitative according to claim 2 is for powdering assembly, it is characterised in that: runner liner top There are the defining flange to extend outwardly for being limited to runner liner in powdering runner, the pressing device at portion and bottom margin To be set to two boss that two runner liners are located at below two powder feeding tanks and be respectively cooperating on workbench and are used, two The opposite side of a boss has extends the inclined-plane or curved surface gradually raised, the inclined-plane or song along the two center outward Face with the defining flange below corresponding runner liner for contacting and making in runner lining sliding pressure tightly in powder feeder unit.

5. increasing material manufacturing two-way quantitative according to claim 4 is for powdering assembly, it is characterised in that: in two runners The defining flange in substrate portion extends and exceeds respectively the front and back end of scraper and scraper mounting base, two boss along the front and back side of scraper It is divided into the front and back side of scraper and scraper mounting base and is used in combination with the defining flange of two runner liner bottoms.

6. increasing material manufacturing two-way quantitative according to claim 4 is for powdering assembly, it is characterised in that: described two boss There is the curved surface being arc-shaped in opposite side.

7. increasing material manufacturing two-way quantitative according to claim 3 is for powdering assembly, it is characterised in that: the quantitatively supplying powder machine Structure includes the second driving that powder supply roller bearing mounting base, powder supply roller bearing and driving powder supply roller bearing are rotated centered on its own axis Device, the powder supply roller bearing mounting base are connected to powder supply cassette bottom portion, offer columnar powder supply in the powder supply roller bearing mounting base Chamber, the powder supply roller bearing diameter is adapted with powder supply chamber diameter and intracavitary, the powder supply roller bearing peace that is rotatably installed on powder supply The holding groove made for powder box inner cavity and the perforation of powder supply chamber is offered above dress seat, the powder falling slot is opened in powder supply roller bearing mounting base Lower section, the powder supply roller bearing circumferential surface are evenly distributed with the quantitatively supplying powder slot axially extended.

8. increasing material manufacturing two-way quantitative according to claim 7 is for powdering assembly, it is characterised in that: the powder feeder unit is also Including powder supply plate, the powder supply plate is vertically extending to be connected to powder supply roller bearing mounting base bottom and is covered in powder falling slot bottom end, described Powder feeding tank is vertically opened on powder supply plate and penetrates through with powder falling slot.

9. increasing material manufacturing two-way quantitative according to claim 7 is for powdering assembly, it is characterised in that: powder supply cassette bottom portion It is provided with the powder falling portion being arc-shaped to lower recess radial section, the holding groove is opened in powder falling portion bottom and prolongs along axial direction It stretches, described for being coaxially arranged with shaft in powder box with powder falling portion, the rotating shaft transmission cooperation is connected with for opening or closing The open and close door of holding groove, the open and close door fit in powder falling portion medial surface and are adapted with powder falling portion medial surface.

10. increasing material manufacturing two-way quantitative according to claim 7 is for powdering assembly, it is characterised in that: second driving Device includes being installed on the actuator being used to provide power on workbench and being driven by actuator and power is reached powder supply The mediation member of roller bearing, powder supply roller bearing end are provided with the polygon drive lugs for cooperating with mediation member, Driving hole compatible with polygon drive lugs is provided on the mediation member, the polygon drive lugs, which are located at, to be passed In dynamic hole.