CN214517600U - Powder supply device for base shaft type metal 3D printer - Google Patents
Powder supply device for base shaft type metal 3D printer Download PDFInfo
- Publication number
- CN214517600U CN214517600U CN202022974464.6U CN202022974464U CN214517600U CN 214517600 U CN214517600 U CN 214517600U CN 202022974464 U CN202022974464 U CN 202022974464U CN 214517600 U CN214517600 U CN 214517600U
- Authority
- CN
- China
- Prior art keywords
- powder
- box
- metering
- sieving
- powder feeding
- 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
Images
Landscapes
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The utility model discloses a base shaft formula metal 3D printer is with supplying powder device, its characterized in that: comprises a sieving machine and a metering powder feeding device; the first discharge port and the second discharge port of the sieving machine are communicated with a feed port of the metering powder feeding device through powder feeding pipes; a vacuum conveyor is arranged on the powder feeding pipe between the sieving machine and the metering powder feeding device; the discharge hole of the metering powder feeding device is communicated with the powder supply hole through a powder feeding pipe; and a vacuum conveyor is arranged on the powder feeding pipe between the metering powder feeding device and the powder feeding port. The utility model discloses a base shaft formula metal 3D printer is with supplying powder device simple structure, convenient to use adopts powder shifter and ration send the cooperation of powder device to use, can sieve, measure, carry the operation such as high-efficiently to metal powder, will filter qualified metal powder and provide to SLM metal printer spread powder device/print the powder jar of cavity in, realized a series of operations such as automatic screening, measurement, transport.
Description
Technical Field
The utility model relates to a 3D printing apparatus technical field, concretely relates to base shaft type metal 3D printer is with supplying powder device.
Background
The metal 3D printing technology has the advantages of personalized design, rapid forming and short manufacturing period, is very suitable for manufacturing metal parts with small batch, personalization, complex surfaces and internal structures, and in the process of 3D printing of metal powder, high-energy-density laser directly acts on the metal powder and rapidly scans and moves to rapidly melt and then rapidly condense the metal powder.
In the use process of the metal 3D printer, metal powder for printing needs to be continuously conveyed into a corresponding powder bin to ensure continuous work of the metal 3D printer, and in order to ensure smooth printing and meet different quality requirements, different printed parts need to adopt metal powder with different particle sizes, so that the metal powder conveyed to the printer needs to be sieved to meet the use requirements of equipment; can produce a large amount of recovery metal powder after printing the completion simultaneously, but the particle distribution range of retrieving metal powder is wide, needs sieve powder rear to it and can use, and the powder shifter sieve among the prior art efficiency of powder is lower, can not satisfy the operation requirement of printer.
The metal 3D printer needs to continuously convey metal powder for printing to a corresponding powder bin in the using process, so that the metal powder is generally filled in a quantitative powder feeding mode in the actual working process by combining the size of a powder storage bin of the printer in order to avoid the waste of the metal powder, but the filling equipment adopted in the prior art needs to use a large number of electronic components on one hand, so that the equipment is high in complexity and high in price; meanwhile, powder feeding can be carried out after weighing, an intermittent powder feeding mode is adopted, and the powder feeding efficiency is low.
Based on the circumstances, the utility model provides a basic shaft type metal 3D is powder supply device for printer can effectively solve above problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a base shaft type metal 3D is powder supply device for printer. The utility model discloses a base shaft formula metal 3D printer is with supplying powder device simple structure, convenient to use adopts powder shifter and ration send the cooperation of powder device to use, can sieve, measure, carry the operation such as high-efficiently to metal powder, will filter qualified metal powder and provide to SLM metal printer spread powder device/print the powder jar of cavity in, realized a series of operations such as automatic screening, measurement, transport.
The utility model discloses a following technical scheme realizes:
the utility model provides a base shaft formula metal 3D printer is with supplying powder device which characterized in that: comprises a sieving machine and a metering powder feeding device;
the first discharge port and the second discharge port of the sieving machine are communicated with a feed port of the metering powder feeding device through powder feeding pipes;
a vacuum conveyor is arranged on the powder feeding pipe between the sieving machine and the metering powder feeding device;
the discharge hole of the metering powder feeding device is communicated with the powder supply hole through a powder feeding pipe; a vacuum conveyor is arranged on the powder feeding pipe between the metering powder feeding device and the powder feeding port;
the powder screening machine comprises a powder screening box, wherein a feed inlet is formed in the top of the powder screening box, and a first discharge port and a second discharge port are formed in the bottom of the powder screening box in parallel; a powder sieving frame is arranged in the powder sieving box in a sliding manner, and a screen is fixedly arranged on the powder sieving frame; a connecting shaft extending out of the powder sieving box is fixedly arranged on one side of the powder sieving frame; the powder sieving box is also fixedly provided with a driving motor, the driving motor is connected with a rotating disc, the rotating disc is eccentrically provided with a connecting rod, and the connecting rod and the connecting shaft are respectively hinged with two ends of the same connecting rod;
the quantitative powder feeding device comprises a storage box and a controller, wherein a feed inlet and a discharge outlet are respectively arranged on the upper side and the lower side of the storage box, a rotating shaft and an adjusting motor which are mutually connected are fixedly arranged on the storage box, and a metering roller is also fixedly arranged on the rotating shaft; the metering roller is uniformly provided with a plurality of partition plates, the storage box is internally provided with an isolation bin matched with the metering roller, and the adjusting motor is connected with the controller.
Preferably, the two sides of the powder sieving frame are provided with mutually symmetrical connecting shafts, the powder sieving box is rotatably provided with a rotating shaft, and the rotating shaft is connected with the driving motor through a transmission gear; the two ends of the rotating shaft extend out of the powder sieving box, rotating disks are arranged on the two sides of the rotating shaft, a connecting rod is eccentrically connected with the rotating disks, and the other end of the connecting rod is hinged to the connecting shaft.
Preferably, be provided with the backup pad in the sieve powder case, be provided with the gyro wheel with the backup pad adaptation on the sieve powder frame.
Preferably, the cross section of the supporting plate is L-shaped, and the front side and the rear side of the supporting plate are respectively provided with a sealing plate.
Preferably, the feeding port is fixedly connected with a feeding hopper, an adjusting plate is arranged at the outlet end of the feeding hopper in a sliding mode, and a fixing bolt matched with the powder sieving box is arranged on the adjusting plate.
Preferably, the powder sieving frame is further provided with a fixing plate, the screen is fixed between the powder sieving frame and the fixing plate, and the fixing plate is fixedly connected with the powder sieving frame through a fastening bolt.
Preferably, both sides and the rear side of the powder sieving frame are provided with baffles.
Preferably, the circumferential surface of the metering roller is uniformly provided with a plurality of rows of mounting screw holes, and the mounting screw holes are internally provided with fastening screws for fixing the partition plates.
Preferably, scraping plates made of rubber are arranged around the dividing plate and are in contact with the inner side face of the isolation bin.
Preferably, the adjusting motor is a stepping motor.
Preferably, the storage box is fixedly provided with a fastening sleeve, a locking screw rod is connected to a screw thread in the fastening sleeve, and an annular locking groove matched with the locking screw rod is formed in the rotating shaft.
Preferably, the controller comprises a PLC and a touch screen which are connected through a 485 bus, and the PLC is connected with the stepping motor.
Preferably, the top and the bottom of the isolation bin are symmetrically provided with a material guide opening and a material discharge opening, and the cross sections of the material guide opening and the material discharge opening are both conical.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model discloses a base shaft formula metal 3D printer is with supplying powder device simple structure, convenient to use adopts powder shifter and ration send the cooperation of powder device to use, can sieve, measure, carry the operation such as high-efficiently to metal powder, will filter qualified metal powder and provide to SLM metal printer spread powder device/print the powder jar of cavity in, realized a series of operations such as automatic screening, measurement, transport.
The powder screening machine of the utility model adopts the utility model to rapidly screen the printer powder or the recovery powder after printing, accurately classify the raw materials, and has higher powder screening efficiency, thereby ensuring that the raw materials meet the use requirements of the printer;
powder can not the ration that exists among the prior art is sent to the ration powder feeding device, send the problem that powder efficiency is low, the ration powder feeding device adopts the utility model discloses not only can improve and send powder efficiency, can also realize the ration simultaneously and send the powder, satisfy printing apparatus's user demand.
The powder sieving machine comprises a powder sieving box, a sliding type powder sieving frame and only a powder sieving frame are arranged in the powder sieving box, a screen is fixedly arranged on the powder sieving frame, a feeding hole is arranged at the upper side of the powder sieving box, a first discharging hole and a second discharging hole are arranged at the bottom of the powder sieving box, a driving motor is also arranged on the powder sieving box, the driving motor is connected with a rotating disk, the rotating disk is eccentrically connected with a connecting rod, and the connecting rod is hinged with a connecting shaft; when the screen powder rack is used, the driving motor rotates, the eccentrically arranged connecting rod drives the screen powder rack to do reciprocating motion, materials with smaller particle sizes enter the first discharge hole through the screen to be discharged, materials with larger particle sizes are blocked by the screen, and the materials are thrown out of the screen powder rack due to inertia when the screen powder rack turns, and are discharged through the second discharge hole; the utility model discloses a reciprocating motion mechanism realizes the quick sieve powder of material, and it has not only improved the sieve powder efficiency of material, simple structure simultaneously, and reliable operation is convenient for maintain.
The powder sieving machine comprises a powder sieving box, a sliding type powder sieving frame and a screen are arranged in the powder sieving box, a feed inlet is arranged at the upper side of the powder sieving box, a first discharge port and a second discharge port are arranged at the bottom of the powder sieving box, a driving motor is also arranged on the powder sieving box, the driving motor is connected with a rotating disk, the rotating disk is eccentrically connected with a connecting rod, and the connecting rod is hinged with a connecting shaft;
the utility model discloses a driving motor rotates when powder shifter uses, and the connecting rod through eccentric setting drives the connecting axle and makes the horizontal direction internal slip to realize dragging to and fro the powder shifter, and the material that the granularity is less enters into first discharge gate through the screen cloth and gets rid of in the course of powder shifter reciprocating motion, and the material that the granule is bigger is blockked by the screen cloth, and when the powder shifter turned to, it was thrown away from one end of powder shifter under inertial effect, and discharged through the second discharge gate;
compared with the prior art, the powder sieving machine of the utility model realizes the rapid powder sieving of materials through the reciprocating mechanism, which not only improves the powder sieving efficiency of materials, is not only suitable for the material powder sieving before printing, but also suitable for the powder sieving of the materials recovered after printing, and meets the rapid processing requirement of the recoverable materials; meanwhile, the structure is simple, and the working stability and the reliability are effectively ensured.
The powder screening machine of the utility model is provided with connecting shafts on both sides of the powder screening frame, and simultaneously the driving motor is respectively connected with the powder screening frame through the rotating shaft, on one hand, both sides of the powder screening frame are all stressed, the uniformity of the stress of the powder screening frame can be effectively improved, the powder screening frame is prevented from being inclined to one side, the smoothness of the operation of the equipment can be improved, and meanwhile, the abrasion of each part can be reduced; on the other hand, the powder screening machine of the utility model can achieve the above purpose through a simple structure, and has simple structure and convenient maintenance; meanwhile, the synchronous transmission of the powder sieving frame is realized, and the coordination of the movement of the equipment is better.
The powder sieving machine of the utility model is also provided with a support plate in the powder sieving box, the support plate is matched with the powder sieving frame, and meanwhile, the powder sieving frame is arranged in an L shape, and the head end and the tail end of the powder sieving frame are provided with the sealing plates, on one hand, the support plate provides stable support for the operation of the powder sieving frame, and meanwhile, the idler wheels can effectively improve the operation stability of the equipment and reduce the abrasion of the equipment; meanwhile, the L-shaped supporting plate and the sealing plates at the head and the tail of the L-shaped supporting plate are effective in limiting the idler wheels, so that the stability and the reliability of connection of the powder sieving frame and the powder sieving box are ensured.
The feed inlet of powder shifter still is provided with the hopper, it still is provided with fixing bolt on the regulating plate while regulating plate to slide on the hopper, through the opening size of regulating plate control feed inlet to realize in order reinforced, satisfy the dual requirement of sieve powder quality and machining efficiency, improve equipment's work efficiency, its regulation is simple simultaneously, convenient operation.
The powder shifter still is provided with the fixed plate on the powder sifter frame, through fixed plate centre gripping screen cloth, can realize spacing the stability of screen cloth in one of them aspect, guarantees its job stabilization nature, and its easy dismounting of on the other hand is favorable to the maintenance of equipment.
The powder shifter all is provided with the baffle in the both sides and the rear side of sifter frame, through baffle to the both sides and the rear side spacing of sifter frame, avoid unqualified metal powder to drop first discharge gate or second discharge gate from both sides and rear side, cause the compounding to improve the sifter quality.
The quantitative powder feeding device comprises a storage box and a controller, wherein the upper side and the lower side of the storage box are respectively provided with a feed inlet and a discharge outlet, the storage box is also provided with a rotating shaft and a motor which are connected with each other, the rotating shaft is fixedly provided with a metering roller and is divided into a plurality of storage bins through a dividing plate, and the storage box is also provided with an isolation bin matched with the metering roller; when the utility model is used, the material storage bin right opposite to the feed inlet is filled with the material at first, and other material storage bins are in an empty bin state; the conversion of different storage bins is realized by rotating a fixed angle, and meanwhile, the storage bins filled with materials are rotated to the direction opposite to the discharge port to realize the discharge; the storage bin has fixed specification, so that quantitative discharge is realized; compared with the prior art, the utility model discloses not only realized quick ration and arranged the material operation, its simple structure simultaneously, the reliability and the stability of equipment all have great improvement.
The quantitative powder feeding device comprises a storage box and a controller, wherein the upper side and the lower side of the storage box are respectively provided with a feed inlet and a discharge outlet, the storage box is also provided with a rotating shaft and a motor which are connected with each other, the rotating shaft is fixedly provided with a metering roller and is divided into a plurality of storage bins through a dividing plate, and the storage box is also provided with an isolation bin matched with the metering roller;
when the quantitative powder feeding device is used, materials enter the storage box from the feed inlet, and the storage bin, which is over against the feed inlet, on the metering roller is filled; meanwhile, the quantitative powder feeding device of the utility model isolates other storage bins which are not communicated with the storage box through the isolation bin; when feeding is needed, the motor is adjusted to rotate by a fixed angle, the storage bin filled with materials leaves the storage box and is separated from the outside, and other storage boxes are communicated with the storage box to finish material filling; the method divides the materials into quantitative portions, and the material storage bin for storing the materials is opposite to the discharge port by rotating the metering roller, so that the material discharging operation is completed;
compared with the prior art, the quantitative powder feeding device of the utility model avoids the use of electronic devices such as weight sensors and the like through an ingenious structural design, thereby not only reducing the cost of the whole set of equipment, but also simplifying the control of the whole set of equipment and improving the reliability and stability of the equipment; just the pay-off operation of different weight can be realized through the mode of addding the partition plate to the ration powder feeding device, also can realize the pay-off operation of different weight through the rotation angle of adjustment motor, and its pay-off volume is stable, is particularly suitable for large-scale industrial production.
Meanwhile, the quantitative powder feeding device of the utility model realizes the feeding of materials in the rotating process of the roller, the whole set of equipment is in a continuous motion state, and compared with the traditional intermittent material feeding mode, the feeding efficiency is higher; it is located confined storage incasement, it does not have volatilizing and the waste of material that quantitative powder feeder material adds notes.
Quantitative powder feeding device is provided with multirow installation screw on the measurement cylinder to the different division boards of convenient installation as required satisfy the pay-off demand of different specifications.
The scraping plates are arranged around the dividing handle of the quantitative powder feeding device, on one hand, the sealing performance of the storage bin can be improved through the scraping plates, the leakage of materials can be avoided, and the waste of the materials is avoided; meanwhile, the feeding precision can be ensured.
Quantitative powder feeding device's accommodate motor is step motor, and step motor can satisfy the rotary precision that quantitative powder feeding device required to improve the control accuracy of complete sets of equipment, and then improve the pay-off precision.
Be provided with the fastening sleeve on the storage case of ration powder feeding device, the screw thread connection has the locking screw in the fastening sleeve dish, still is provided with the locking groove in the pivot simultaneously, through above-mentioned equipment fixed rotating shaft, avoids under reinforced state, and the pivot is rotatory because of the dead weight takes place, guarantees the stability and the reliability of equipment under the reinforced state of non-.
Quantitative powder feeding device's controller includes PLC and touch screen, makes things convenient for the staff to set up rotating parameter, improve equipment's maneuverability as required.
The quantitative powder feeding device of the utility model is symmetrically provided with the material guide opening and the material discharge opening at the top and the bottom of the isolation bin, and the cross section of the material guide opening and the material discharge opening is conical, so that on one hand, the material is conveniently guided to the metering roller, and the material overstock is avoided; on the other hand conical discharge gate can enlarge the field of vision of maintainer, satisfies the maintenance requirement of equipment, also makes things convenient for the staff to change simultaneously or install the partition plate.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the powder sifter of the utility model;
fig. 3 is a schematic view of the internal structure of the powder sieving box of the powder sieving machine of the present invention;
fig. 4 is a schematic view of a front view structure of a powder sieving box of the powder sieving machine of the utility model;
fig. 5 is a schematic structural view of another embodiment of the powder sifter according to the present invention;
fig. 6 is a schematic view of the internal structure of a powder sieving box according to another embodiment of the powder sieving machine of the present invention;
fig. 7 is a schematic front view of a powder sieving box of another embodiment of the powder sieving machine of the present invention;
FIG. 8 is a schematic structural view of the quantitative powder feeder of the present invention;
FIG. 9 is a schematic view of the structure of the metering roller of the quantitative powder feeder of the present invention;
FIG. 10 is a schematic structural view of another embodiment of the quantitative powder feeder of the present invention;
fig. 11 is a schematic side view of another embodiment of the quantitative powder feeder according to the present invention.
In the figure: 1. screening machine; 03. a metering powder feeding device; 3. a powder feeding pipe; 301. a powder supply port; 4. a vacuum conveyor;
11. a powder sieving box 12, a feeding hole 13, a first discharging hole 14, a second discharging hole 15, a powder sieving frame 16, a screen mesh 17, a connecting shaft 18, a driving motor 19, a rotating disc 110, a connecting rod 111, a connecting rod 112, a rotating shaft 113, a transmission gear 114, a supporting plate 115, a roller 116, a sealing plate 117, a hopper 118, an adjusting plate 119, a fixing bolt 120, a fixing plate 121, a fastening bolt 122 and a baffle plate;
31. the device comprises a material storage box 32, a controller 33, a feeding port 34, a discharging port 35, a rotating shaft 36, a regulating motor 37, a metering roller 38, a partition plate 39, a separation bin 310, an installation screw hole 311, a fastening screw 312, a scraping plate 313, a fastening sleeve 314, a locking screw 315, a locking groove 316, a PLC 317, a touch screen 318, a material guiding port 319 and a discharging port.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is given with reference to the accompanying examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1:
as shown in fig. 1 to 11, a powder supply device for a base shaft type metal 3D printer is characterized in that: comprises a sieving machine and a metering powder feeding device;
the first discharge port and the second discharge port of the sieving machine are communicated with a feed port of the metering powder feeding device through powder feeding pipes;
a vacuum conveyor is arranged on the powder feeding pipe between the sieving machine and the metering powder feeding device;
the discharge hole of the metering powder feeding device is communicated with the powder supply hole through a powder feeding pipe; a vacuum conveyor is arranged on the powder feeding pipe between the metering powder feeding device and the powder feeding port;
the powder screening machine comprises a powder screening box, wherein a feed inlet is formed in the top of the powder screening box, and a first discharge port and a second discharge port are formed in the bottom of the powder screening box in parallel; a powder sieving frame is arranged in the powder sieving box in a sliding manner, and a screen is fixedly arranged on the powder sieving frame; a connecting shaft extending out of the powder sieving box is fixedly arranged on one side of the powder sieving frame; the powder sieving box is also fixedly provided with a driving motor, the driving motor is connected with a rotating disc, the rotating disc is eccentrically provided with a connecting rod, and the connecting rod and the connecting shaft are respectively hinged with two ends of the same connecting rod;
the quantitative powder feeding device comprises a storage box and a controller, wherein a feed inlet and a discharge outlet are respectively arranged on the upper side and the lower side of the storage box, a rotating shaft and an adjusting motor which are mutually connected are fixedly arranged on the storage box, and a metering roller is also fixedly arranged on the rotating shaft; the metering roller is uniformly provided with a plurality of partition plates, the storage box is internally provided with an isolation bin matched with the metering roller, and the adjusting motor is connected with the controller.
Example 2:
as shown in fig. 1 to 11, a powder supply device for a base shaft type metal 3D printer is characterized in that: comprises a sieving machine and a metering powder feeding device;
the first discharge port and the second discharge port of the sieving machine are communicated with a feed port of the metering powder feeding device through powder feeding pipes;
a vacuum conveyor is arranged on the powder feeding pipe between the sieving machine and the metering powder feeding device;
the discharge hole of the metering powder feeding device is communicated with the powder supply hole through a powder feeding pipe; a vacuum conveyor is arranged on the powder feeding pipe between the metering powder feeding device and the powder feeding port;
the powder screening machine is structurally shown in fig. 2 to 4, and comprises a powder screening box, wherein a feeding hole is formed in the top of the powder screening box, and a first discharging hole and a second discharging hole are formed in the bottom of the powder screening box in parallel; support plates are arranged on two sides of the powder sieving box, the cross sections of the support plates are L-shaped, and the front end and the rear end of each support plate are sealed by sealing plates; a powder sieving frame is arranged in the powder sieving box, rolling wheels are arranged on two sides of the powder sieving frame and are inserted into the supporting plate, so that the powder sieving frame is slidably connected with the powder sieving box; a screen is fixedly arranged on the powder screening frame, a first discharge hole is formed right below the screen, and the second discharge hole is positioned at the rear side of the first discharge hole;
one side of the powder sieving box is also provided with a chute, one side of the powder sieving frame is provided with a connecting shaft, the connecting shaft extends out of the powder sieving box through the chute, the powder sieving box is also fixedly provided with a driving motor, an output shaft of the driving motor is fixedly connected with a rotating disc, the rotating disc is eccentrically provided with a connecting rod, the connecting rod is hinged with a connecting rod, and the other end of the connecting rod is hinged with the connecting shaft, so that the driving motor is in power connection with the powder sieving frame;
further, in another embodiment, the powder screening machine, as shown in fig. 5 to 7, includes a powder screening box, a feed inlet is disposed at the top of the powder screening box, a hopper is fixedly connected to the feed inlet, an adjusting plate is slidably disposed at the outlet end of the hopper, and a fixing bolt adapted to the powder screening box is disposed on the adjusting plate;
the bottom of the powder sieving box is provided with a first discharge port and a second discharge port in parallel, a powder sieving frame is connected in the powder sieving box in a sliding manner through a support plate, one side of the powder sieving frame, which is close to the second discharge port, is provided with an opening, and the other three sides of the powder sieving frame are fixedly provided with baffles; meanwhile, the powder sieving frame is also provided with a fixing plate, a corresponding connecting hole is formed between the fixing plate and the powder sieving frame, and a fastening bolt is arranged in the connecting hole; meanwhile, the screen mesh is prevented from being arranged between the fixed plate and the powder sieving frame, so that the screen mesh is fixed through the fixed plate;
sliding grooves are symmetrically formed in two sides of the powder sieving box, connecting shafts corresponding to the sliding grooves are arranged on two sides of the powder sieving frame, a driving motor is fixedly arranged on the powder sieving box, a rotating shaft is rotatably arranged on the powder sieving box, and the rotating shaft is in power connection with the driving motor through a transmission gear; the both ends of rotation axis are stretched out the both sides of sieve powder case, and its both sides are all fixed and are provided with the rotary disk, and equal eccentric connection has the connecting rod on the rotary disk, and it has the connecting rod to articulate on the connecting rod, the other end and the connecting axle of connecting rod are articulated to realize that driving motor is connected with the power of sieve powder frame.
The utility model discloses driving motor rotates when using, and the connecting rod through eccentric setting drives the connecting axle and makes the horizontal internal slip to realize dragging to and fro the sifter frame, and the material with smaller granularity enters into first discharge gate through the screen cloth and gets rid of in the course of sifter frame reciprocating motion, and the material with larger granule is blocked by the screen cloth, and when the sifter frame turned to, it was thrown out from one end of sifter frame under the effect of inertia, and discharged through the second discharge gate;
compared with the prior art, the utility model realizes the rapid powder sieving of the materials through the reciprocating mechanism, which not only improves the powder sieving efficiency of the materials, but also is suitable for the powder sieving of the materials before printing and the powder sieving of the materials recovered after printing, thereby meeting the rapid processing requirement of the recoverable materials; meanwhile, the structure is simple, and the working stability and the reliability are effectively ensured.
The specific structure of the quantitative powder feeding device is shown in fig. 8 and 9, and the quantitative powder feeding device comprises a storage box and a controller, wherein the upper side and the lower side of the storage box are respectively provided with a corresponding feeding port and a corresponding discharging port, the middle part of the storage box is fixedly provided with an isolation bin, the middle part of the isolation bin is of a circular hollow structure, and the upper side and the lower side of the isolation bin are respectively communicated with the storage box and are respectively opposite to the feeding port and the discharging port;
the storage box is rotatably provided with a rotating shaft, a metering roller is fixedly arranged on the rotating shaft, the metering roller is inserted into the hollow structure of the isolation bin, and meanwhile, the rotating shaft is connected with an adjusting motor fixed on the storage box; the adjusting motor is a stepping motor;
a plurality of rows of mounting screw holes are uniformly formed in the surface of the metering roller, fastening screws are arranged in the mounting screw holes, partition plates are fixedly connected through the fastening screws, and included angles between any two adjacent partition plates are equal; meanwhile, a controller is also arranged on the material storage box and comprises a PLC and a touch screen which are connected through a bus, and the PLC is connected with the stepping motor;
further, in another embodiment, the specific structure of the quantitative powder feeding device is as shown in fig. 9 to 11, and the quantitative powder feeding device includes a storage box and a controller, wherein the upper side and the lower side of the storage box are respectively provided with a corresponding feeding port and a corresponding discharging port, the middle part of the storage box is fixedly provided with an isolation bin, the middle part of the isolation bin is a circular hollow structure, the upper side and the lower side of the isolation bin are respectively communicated with the storage box and are respectively opposite to the feeding port and the discharging port, the upper side and the lower side of the isolation bin are respectively provided with a material guiding port and a material discharging port, and the cross sections of the material guiding port and the material discharging port are both in a tapered arrangement;
the storage box is also provided with an adjusting motor and a rotating shaft which are connected with each other, the rotating shaft is fixedly connected with a plurality of partition plates through fastening screws, the peripheries of the partition plates are all connected with scraping plates, the scraping plates are made of rubber, and the end surfaces of the scraping plates are in contact with the inner surface of the isolation bin, so that the sealing property is improved;
and meanwhile, a fastening sleeve is fixedly arranged on the storage box, a locking screw is connected with the inner thread of the fastening sleeve, and an annular locking groove matched with the locking screw is formed in the rotating shaft.
When the utility model is used, materials enter the storage box from the feed inlet, and the storage bin which is over against the feed inlet on the metering roller is filled; meanwhile, the utility model isolates other storage bins which are not communicated with the storage box through the isolation bin; when feeding is needed, the motor is adjusted to rotate by a fixed angle, the storage bin filled with materials leaves the storage box and is separated from the outside, and other storage boxes are communicated with the storage box to finish material filling; the method divides the materials into quantitative portions, and the material storage bin for storing the materials is opposite to the discharge port by rotating the metering roller, so that the material discharging operation is completed;
compared with the prior art, the utility model avoids using electronic devices such as weight sensors and the like through the ingenious structural design, thereby not only reducing the cost of the whole set of equipment, but also simplifying the control of the whole set of equipment and improving the reliability and stability of the equipment; just the utility model discloses a mode of addding the partition plate can realize the pay-off operation of different weight, also can realize the pay-off operation of different weight through the rotation angle of adjustment motor, and its pay-off volume is stable, is particularly suitable for large-scale industrial production.
Meanwhile, the utility model realizes the material addition in the process of the rotation of the roller, the whole set of equipment is in a continuous motion state, and compared with the traditional intermittent material filling mode, the feeding efficiency is higher; it the utility model discloses the material filling is located the confined storage incasement, and it does not have volatilizing and the waste of material.
According to the utility model discloses a description and attached drawing, the field technical personnel make or use very easily the utility model discloses a basic shaft type metal 3D is powder supply device for printer to can produce the positive effect that the utility model discloses record.
Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (5)
1. The utility model provides a base shaft formula metal 3D printer is with supplying powder device which characterized in that: comprises a powder screening machine (1) and a metering powder feeding device (03);
the first discharge hole (13) and the second discharge hole (14) of the powder sieving machine (1) are communicated with a feed inlet (33) of the metering powder feeding device (03) through a powder feeding pipe (3);
a vacuum conveyor (4) is arranged on a powder feeding pipe (3) between the powder sieving machine (1) and the metering powder feeding device (03);
the discharge hole (34) of the metering powder feeding device (03) is communicated with the powder supply hole (301) through a powder feeding pipe (3); a vacuum conveyor (4) is arranged on the powder feeding pipe (3) between the metering powder feeding device (03) and the powder supply port (301);
the powder screening machine comprises a powder screening box (11), wherein a feeding hole (12) is formed in the top of the powder screening box (11), and a first discharging hole (13) and a second discharging hole (14) are formed in the bottom of the powder screening box in parallel; a powder sieving frame (15) is arranged in the powder sieving box (11) in a sliding manner, and a screen (16) is fixedly arranged on the powder sieving frame (15); a connecting shaft (17) extending out of the powder screening box (11) is fixedly arranged on one side of the powder screening frame (15); the powder sieving box (11) is also fixedly provided with a driving motor (18), the driving motor (18) is connected with a rotating disc (19), the rotating disc (19) is eccentrically provided with a connecting rod (110), and the connecting rod (110) and the connecting shaft (17) are respectively hinged with two ends of the same connecting rod (111);
the metering powder feeding device comprises a storage box (31) and a controller (32), wherein the upper side and the lower side of the storage box (31) are respectively provided with a feeding hole (33) and a discharging hole (34), the storage box (31) is fixedly provided with a rotating shaft (35) and an adjusting motor (36) which are mutually connected, and the rotating shaft (35) is also fixedly provided with a metering roller (37); the metering roller (37) is uniformly provided with a plurality of partition plates (38), the storage box (31) is internally provided with an isolation bin (39) matched with the metering roller (37), and the adjusting motor (36) is connected with the controller (32).
2. The powder supply device for the base shaft type metal 3D printer according to claim 1, wherein: two sides of the powder sieving frame (15) are provided with mutually symmetrical connecting shafts (17), the powder sieving box (11) is rotatably provided with a rotating shaft (112), and the rotating shaft (112) is connected with a driving motor (18) through a transmission gear (113); the two ends of the rotating shaft (112) extend out of the powder sieving box (11), rotating disks (19) are arranged on the two sides of the rotating shaft, a connecting rod (111) is eccentrically connected to each rotating disk (19), and the other end of each connecting rod (111) is hinged to the connecting shaft (17).
3. The powder supply device for the base shaft type metal 3D printer according to claim 1, wherein: a supporting plate (114) is arranged in the powder sieving box (11), a roller (115) matched with the supporting plate (114) is arranged on the powder sieving frame (15),
the cross section of the supporting plate (114) is L-shaped, and sealing plates (116) are arranged on the front side and the rear side of the supporting plate (114).
4. The powder supply device for the base shaft type metal 3D printer according to claim 1, wherein: the powder screening machine is characterized in that the feeding port (12) is fixedly connected with a feeding hopper (117), an adjusting plate (118) is arranged at the outlet end of the feeding hopper (117) in a sliding mode, and a fixing bolt (119) matched with the powder screening box (11) is arranged on the adjusting plate (118).
5. The powder supply device for the base shaft type metal 3D printer according to claim 1, wherein: still be provided with fixed plate (120) on sieve powder frame (15), screen cloth (16) are fixed in between sieve powder frame (15) and fixed plate (120), just pass through fastening bolt (121) between fixed plate (120) and the sieve powder frame (15) and fix and link to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022974464.6U CN214517600U (en) | 2020-12-10 | 2020-12-10 | Powder supply device for base shaft type metal 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022974464.6U CN214517600U (en) | 2020-12-10 | 2020-12-10 | Powder supply device for base shaft type metal 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214517600U true CN214517600U (en) | 2021-10-29 |
Family
ID=78291635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022974464.6U Active CN214517600U (en) | 2020-12-10 | 2020-12-10 | Powder supply device for base shaft type metal 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214517600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112719301A (en) * | 2020-12-10 | 2021-04-30 | 浙江意动科技股份有限公司 | Powder supply device for base shaft type metal 3D printer |
-
2020
- 2020-12-10 CN CN202022974464.6U patent/CN214517600U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112719301A (en) * | 2020-12-10 | 2021-04-30 | 浙江意动科技股份有限公司 | Powder supply device for base shaft type metal 3D printer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214517600U (en) | Powder supply device for base shaft type metal 3D printer | |
| CN214557408U (en) | Base shaft type metal powder circulating device for metal 3D printer | |
| CN100455364C (en) | Miniature potato grader | |
| CN112719301A (en) | Powder supply device for base shaft type metal 3D printer | |
| CN215246045U (en) | Efficient full-automatic packaging machine | |
| CN112719306A (en) | Base shaft type metal powder circulating device for metal 3D printer | |
| CN207991662U (en) | A kind of aquatic feeds production Portable weighing device | |
| CN214557411U (en) | Base shaft type SLM metal is powder shifter for printer | |
| CN211945210U (en) | New energy battery production safety type discharge device | |
| CN210358035U (en) | Sieving mechanism is used in plastic granules production | |
| CN208699944U (en) | Bottle inversion rejecting mechanism and medicine bottle collator | |
| CN206974288U (en) | Medicine production line is wrapped up in fireworks granulation | |
| CN208194649U (en) | A kind of side load displacing screw grader for ore dressing | |
| CN213201615U (en) | Powder material container conveyor of unloading | |
| CN207271351U (en) | A kind of vertical lapping machine | |
| CN217805765U (en) | A labeller for food processing | |
| CN214865299U (en) | Filter equipment for food inspection | |
| CN215313721U (en) | Model selection device for high-grade diamond | |
| CN214557399U (en) | Base shaft type SLM metal printing device | |
| CN214557426U (en) | Base shaft type SLM metal printer quantitative powder feeding device | |
| CN112478661A (en) | Full-automatic branch material conveyer of U type | |
| CN208181954U (en) | A kind of high-efficiency vibration batcher | |
| CN208392383U (en) | A kind of mixer | |
| CN206336448U (en) | A kind of special constant feeder of organic fertilizer packaging production line | |
| CN217358712U (en) | Online quantitative weighing system of solid-liquid mixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |