CN209903960U - Single motor gear drive's 3D printer supplies to spread powder mechanism - Google Patents
Single motor gear drive's 3D printer supplies to spread powder mechanism Download PDFInfo
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- CN209903960U CN209903960U CN201920122895.4U CN201920122895U CN209903960U CN 209903960 U CN209903960 U CN 209903960U CN 201920122895 U CN201920122895 U CN 201920122895U CN 209903960 U CN209903960 U CN 209903960U
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- lead screw
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Abstract
The utility model provides a single motor gear drive's 3D printer supplies to spread powder mechanism, including two tailstocks, the equal fixed mounting polished rod in the outside of tailstock top surface, the inboard of polished rod is equipped with the lead screw, the through-hole is seted up to the inboard of tailstock top surface, the lower extreme of lead screw is arranged in the through-hole and is passed through bearing fixed mounting with the through-hole, the equal fixed mounting footstock in upper end of polished rod, the tailstock all with powder case fixed mounting in front of footstock, the inboard of footstock bottom surface passes through bearing fixed mounting with the upper end of corresponding lead screw, the swivel nut of periphery suit with the polished rod of one side and lead screw, the screw hole and the lead screw of swivel nut cooperate, the unthreaded hole and the polished rod of swivel nut cooperate. The utility model has compact structure and simple control; the gear transmission mode is adopted, the D printing precision is improved, the gear is convenient to assemble and disassemble, and the gear can be freely replaced according to the transmission ratio requirement; and the single motor is adopted for transmission, so that the occupied space of the structure is saved.
Description
Technical Field
The utility model belongs to the 3D printer field, specifically speaking are single motor gear drive's 3D printer supplies to spread whitewashed mechanism.
Background
With the development of economy and the progress of society, 3D printing technology and linear module technology have been applied to many fields; the requirement on the precision of the 3D printer is higher and higher; the powder supply and the powder spreading of the existing 3D printer are respectively independently completed by two mechanisms with independent control cylinders, the arrangement of the two independent cylinders enables the volume of the whole equipment to be greatly increased, the complexity of operation is increased, the powder spreading thickness is not easy to grasp, and the processing quality is not guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a single motor gear drive's 3D printer supplies to spread whitewashed mechanism for solve the defect among the prior art.
The utility model discloses a following technical scheme realizes:
a single-motor gear-driven 3D printer powder spreading mechanism comprises two tailstocks, polished rods are fixedly mounted on the outer sides of the top surfaces of the tailstocks, lead screws are arranged on the inner sides of the polished rods, through holes are formed in the inner sides of the top surfaces of the tailstocks, the lower ends of the lead screws are arranged in the through holes and fixedly mounted with the through holes through bearings, ejector bases are fixedly mounted at the upper ends of the polished rods, the front surfaces of the tailstocks and the ejector bases are fixedly mounted with a powder box, the inner sides of the bottom surfaces of the ejector bases and the upper ends of the corresponding lead screws are fixedly mounted through bearings, the polished rods and the outer peripheries of the lead screws on the same side are sleeved with screw sleeves, threaded holes of the screw sleeves are matched with the lead screws, the polished holes of the screw sleeves are matched with the polished rods, the screw sleeves can move up and down along the lead screws and the polished rods, a box body with an opening in the, the left side is a forming box, the right side is a powder supplying box, the forming box and the powder supplying box are both provided with powder bearing plates, the periphery of each powder bearing plate is respectively contacted with the inner walls of the forming box and the powder supplying box, the front sides of the forming box and the powder supplying box are both provided with two first chutes, the upper ends of the first chutes are flush with the top surface of the box body, the first chutes are internally provided with first sliding blocks, the rear ends of the first sliding blocks are fixedly arranged with the front surfaces of the corresponding powder bearing plates, the front ends of the first sliding blocks are fixedly arranged with the rear surfaces of the screw sleeves, the periphery of the lower end of the screw rod at the left side is sleeved with a first gear, the periphery of the lower end of the screw rod at the right side is sleeved with a second gear, the diameter of the first gear is smaller than that of the second gear, the first gear is meshed with the second gear, the lower end of the screw rod at the right side is fixedly arranged with a motor, the, the motor and the scraping device are both controlled by a control center.
According to the powder spreading mechanism of the single-motor gear-driven 3D printer, the lead screw on the right side and the motor are fixedly installed through the coupler.
The single-motor gear-driven 3D printer powder spreading mechanism is characterized in that the scraper is made of a fluororubber material.
According to the powder spreading mechanism of the single-motor gear-driven 3D printer, the first gear and the second gear are convenient to disassemble.
As above a single motor gear drive's 3D printer supplies shop powder mechanism, the equal fixed mounting second slider in front side that holds the powder board, the second spout is all seted up with supplying the powder incasement portion back to the shaping case, the upper end of second spout and the top surface parallel and level of box, the second slider just can follow the second spout and reciprocate in arranging the second spout in.
According to the powder spreading mechanism of the single-motor gear-driven 3D printer, the top surface of the powder bearing plate is flat and smooth.
The utility model has the advantages that: the utility model has compact structure and simple control; the gear transmission mode is adopted, the D printing precision is improved, the gear is convenient to assemble and disassemble, and the gear can be freely replaced according to the transmission ratio requirement; the single motor is adopted for transmission, so that the occupied space of the structure is saved; when the utility model is used, the motor is turned on, the motor rotates intermittently, the motor drives the right screw to rotate, the screw is matched with the threaded hole of the screw sleeve, the right screw sleeve moves upwards along the right screw rod and the polished rod, the right screw sleeve drives the right powder bearing plate to move upwards, the right powder bearing plate drives the powder to move upwards, meanwhile, the right screw rod drives the second gear to rotate, the second gear is meshed with the first gear, the first gear drives the left screw rod to rotate, the left screw rod is opposite to the right screw rod in rotation direction, and the left screw sleeve drives the powder bearing plate to move downwards, because the diameter of the second gear is smaller than that of the first gear, the number of turns of the right screw rod is larger than that of the left screw rod, the rising height of the right powder bearing plate is larger than that of the left powder bearing plate falling, and the sufficiency of powder supply, when the motor stops rotating, the scraping device runs, the scraper moves leftwards along the top surface of the box body, the powder on the powder bearing plate in the powder supply box is pushed into the top surface of the powder bearing plate in the forming box by the scraper, the scraper moves to the leftmost side of the forming box and moves rightwards to reset, the D printing head prints the powder according to a blueprint in a computer, and after one layer is printed, the motor continues to rotate, and the motor prints the materials in a layered mode in the same movement process as the movement process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of the present invention; fig. 2 is a sectional view taken along line a-a of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A powder spreading mechanism of a single-motor gear-driven 3D printer comprises two tailstocks 1, wherein a polished rod 2 is fixedly arranged on the outer side of the top surface of the tailstocks 1, a lead screw 3 is arranged on the inner side of the polished rod 2, a through hole 4 is formed in the inner side of the top surface of the tailstocks 1, the lower end of the lead screw 3 is arranged in the through hole 4 and fixedly arranged with the through hole 4 through a bearing, a top seat 5 is fixedly arranged on the upper end of the polished rod 2, the front surfaces of the tailstocks 1 and the top seat 5 are fixedly arranged with a powder box, the inner side of the bottom surface of the top seat 5 is fixedly arranged with the upper end of the corresponding lead screw 3 through a bearing, a threaded sleeve 6 is sleeved on the polished rod 2 and the periphery of the lead screw 3 on the same side, a threaded hole of the threaded sleeve 6 is matched with the lead screw 3, the threaded sleeve 6 is matched with the polished rod 2, the threaded sleeve 6 can move up and, the periphery of a vertical plate 8 is fixedly installed on the inner wall corresponding to the box body 7, the box body 7 is averagely divided into two parts by the vertical plate 8, the left side is provided with a forming box 9, the right side is provided with a powder supplying box 10, the forming box 9 and the powder supplying box 10 are internally provided with powder bearing plates 11, the periphery of each powder bearing plate 11 is respectively contacted with the inner walls of the forming box 9 and the powder supplying box 10, the front sides of the forming box 9 and the powder supplying box 10 are respectively provided with two first sliding grooves 12, the upper ends of the first sliding grooves 12 are flush with the top surface of the box body 7, first sliding blocks 13 are arranged in the first sliding grooves 12, the rear ends of the first sliding blocks 13 are fixedly installed on the front sides of the corresponding powder bearing plates 11, the front ends of the first sliding blocks 13 are fixedly installed on the rear sides of screw sleeves 6, the periphery of the lower end of a left lead screw 3 is sleeved with a first gear 14, the periphery of the lower end of the right lead screw 3 is sleeved with a second, the lower extreme fixed mounting motor 16 of lead screw 3 on right side, the preceding and powder case fixed mounting of motor 16, the top of box 7 is equipped with the strickle device, and the scraper blade 18 of the strickle device contacts with the top surface of box 7, and motor 16 and strickle device all pass through control center control. The utility model has compact structure and simple control; the gear transmission mode is adopted, the 3D printing precision is improved, the gear is convenient to assemble and disassemble, and the gear can be freely replaced according to the transmission ratio requirement; the single motor is adopted for transmission, so that the occupied space of the structure is saved; when the utility model is used, the motor 16 is opened, the motor 16 intermittently rotates, the motor 16 drives the right screw rod 3 to rotate, the screw rod 3 is matched with the threaded hole of the screw sleeve 6, the right screw sleeve 6 moves upwards along the right screw rod 3 and the polished rod 2, the right screw sleeve 6 drives the right powder bearing plate 11 to move upwards, the right powder bearing plate 11 drives the powder to move upwards, meanwhile, the right screw rod 3 drives the second gear 15 to rotate, the second gear 15 is meshed with the first gear 14, the first gear 14 drives the left screw rod 3 to rotate, the left screw rod 3 is opposite to the right screw rod 4 in rotation direction, and contrary to the above process, the left screw sleeve 6 drives the powder bearing plate 11 to move downwards, because the diameter of the second gear 15 is smaller than that of the first gear 14, the number of turns of the right screw rod 3 to rotate is greater than that of the left screw rod 3 to rotate, so that the rising height of the right powder bearing plate 11 is greater, can guarantee to supply the abundant of powder, when motor 16 stall, strickle the device operation, scraper blade 18 moves along the top surface left side of box 7, scraper blade 18 will supply the powder on the powder board 11 in the powder case 10 to push the top surface that holds powder board 11 in the shaping case 9, scraper blade 18 moves to the leftmost side of shaping case 9, scraper blade 18 moves to the right side and resets, 3D beats printer head and prints the powder according to the blueprint in the computer, after having printed the one deck, motor 16 continues to rotate, the same with above-mentioned motion process, print the material layering.
Specifically, as shown in the drawing, the right lead screw 3 and the motor 16 according to the present embodiment are fixedly mounted via a coupling 17. The coupler 17 can play a role in transmitting rotary torque, absorbing vibration of equipment and buffering load impact, so that vibration caused by the motor 16 is reduced, and the equipment is more stable.
Specifically, as shown in the figure, the scraper 18 of the present embodiment is made of a fluororubber material. The fluororubber material has excellent heat resistance and oxidation resistance, and can prolong the service life of the blade 18.
Further, as shown in the drawings, the first gear 14 and the second gear 15 are convenient to disassemble. By changing the transmission ratio of the first gear 14 to the second gear 15, the lifting ratio of the powder supply box 10 to the forming box 9 is changed, the powder supply amount is changed, and the powder feeder is more flexible to use.
Furthermore, as shown in the figure, the front side of the powder bearing plate 11 in this embodiment is fixedly provided with a second sliding block 19, the back of the inside of the forming box 9 and the powder supply box 10 is provided with a second sliding groove 20, the upper end of the second sliding groove 20 is flush with the top surface of the box body 7, and the second sliding block 19 is disposed in the second sliding groove 20 and can move up and down along the second sliding groove 20. When the powder bearing plate 11 moves up and down, the second sliding block 19 is driven to move up and down along the second sliding groove 20, so that the stability of the powder bearing plate 11 in the up-and-down moving process is improved, and the error in the printing process is reduced.
Further, as shown in the figure, the top surface of the powder bearing plate 11 of the present embodiment is flat and smooth. The top surface of the powder bearing plate 11 is flat and smooth, so that the quality of a processed finished product is ensured, and the processed finished product is taken down from the powder bearing plate 11.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The utility model provides a single motor gear drive's 3D printer supplies to spread powder mechanism which characterized in that: comprises two tailstocks (1), a polished rod (2) is fixedly arranged on the outer side of the top surface of the tailstocks (1), a lead screw (3) is arranged on the inner side of the polished rod (2), a through hole (4) is formed on the inner side of the top surface of the tailstocks (1), the lower end of the lead screw (3) is arranged in the through hole (4) and fixedly arranged with the through hole (4) through a bearing, a top seat (5) is fixedly arranged on the upper end of the polished rod (2), the front surfaces of the tailstocks (1) and the top seat (5) are fixedly arranged with a powder box, the inner side of the bottom surface of the top seat (5) is fixedly arranged with the upper end of the corresponding lead screw (3) through a bearing, a threaded sleeve (6) is sleeved on the polished rod (2) and the periphery of the lead screw (3) on the same side, a threaded hole of the threaded sleeve (6) is matched with the lead screw (3), a smooth hole of the threaded sleeve (6), a box body (7) with an opening on the top surface is arranged at the rear side of the screw sleeve (6), a vertical plate (8) is arranged in the box body (7), the periphery of the vertical plate (8) is fixedly installed on the inner wall corresponding to the box body (7), the vertical plate (8) averagely divides the box body (7) into two parts, the left side is a forming box (9), the right side is a powder supply box (10), powder bearing plates (11) are arranged in the forming box (9) and the powder supply box (10), the periphery of each powder bearing plate (11) is respectively contacted with the inner walls of the forming box (9) and the powder supply box (10), two first sliding grooves (12) are respectively arranged at the front sides of the forming box (9) and the powder supply box (10), the upper ends of the first sliding grooves (12) are flush with the top surface of the box body (7), first sliding blocks (13) are arranged in the first sliding grooves (12), the rear ends of the first sliding blocks (13) are fixedly installed on the front sides of the corresponding powder bearing plates (11), the front ends of the first sliding blocks, the periphery suit first gear (14) of left lead screw (3) lower extreme, the periphery suit second gear (15) of lead screw (3) lower extreme on right side, the diameter of first gear (14) is less than the diameter of second gear (15), first gear (14) mesh with second gear (15), lower extreme fixed mounting motor (16) of lead screw (3) on right side, the preceding and powder case fixed mounting of motor (16), the top of box (7) is equipped with the strickle device, strickle the top surface contact of scraper blade (18) and box (7) of strickleing the device, motor (16) and strickle the device and all control through control center.
2. The single motor gear driven 3D printer powder laying mechanism according to claim 1, characterized in that: the right lead screw (3) and the motor (16) are fixedly arranged through a coupler (17).
3. The single motor gear driven 3D printer powder laying mechanism according to claim 1, characterized in that: the scraper (18) is made of fluororubber.
4. The single motor gear driven 3D printer powder laying mechanism according to claim 1, characterized in that: the first gear (14) and the second gear (15) are convenient to disassemble.
5. The single motor gear driven 3D printer powder laying mechanism according to claim 1, characterized in that: bear equal fixed mounting second slider (19) of front side of powder board (11), second spout (20) are all seted up with supplying the inside back of powder case (10) to shaping case (9), the upper end of second spout (20) and the top surface parallel and level of box (7), second slider (19) are arranged in second spout (20) and can be followed second spout (20) and reciprocate.
6. The single motor gear driven 3D printer powder laying mechanism according to claim 1, characterized in that: the top surface of the powder bearing plate (11) is flat and smooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122895.4U CN209903960U (en) | 2019-01-24 | 2019-01-24 | Single motor gear drive's 3D printer supplies to spread powder mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122895.4U CN209903960U (en) | 2019-01-24 | 2019-01-24 | Single motor gear drive's 3D printer supplies to spread powder mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209903960U true CN209903960U (en) | 2020-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920122895.4U Expired - Fee Related CN209903960U (en) | 2019-01-24 | 2019-01-24 | Single motor gear drive's 3D printer supplies to spread powder mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209903960U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113524669A (en) * | 2021-07-07 | 2021-10-22 | 山东创瑞激光科技有限公司 | Powder falling and scraping structure suitable for double-laser printing equipment |
-
2019
- 2019-01-24 CN CN201920122895.4U patent/CN209903960U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113524669A (en) * | 2021-07-07 | 2021-10-22 | 山东创瑞激光科技有限公司 | Powder falling and scraping structure suitable for double-laser printing equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200107 Termination date: 20210124 |