CN214448530U - Lifting device for be used for 3D to print - Google Patents
Lifting device for be used for 3D to print Download PDFInfo
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- CN214448530U CN214448530U CN202120445220.0U CN202120445220U CN214448530U CN 214448530 U CN214448530 U CN 214448530U CN 202120445220 U CN202120445220 U CN 202120445220U CN 214448530 U CN214448530 U CN 214448530U
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- base plate
- movable rods
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- guide
- bearing
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- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000010146 3D printing Methods 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 230000003028 elevating effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012255 powdered metal Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a elevating gear for 3D prints. It includes: the device comprises an object stage and a base plate, wherein an expansion bracket mechanism is arranged between the object stage and the base plate and comprises n groups of movable rods, each group of movable rods comprises 2 movable rods, the middle parts of the 2 movable rods are hinged and crossed, the base plate is provided with two connecting blocks arranged at intervals, and the lower ends of the group of 2 movable rods at the lowest side are correspondingly hinged with the two connecting blocks respectively; the upper ends of the 2 movable rods positioned at the top are connected with upper bearings, and the upper bearings are abutted to the objective table; when n >1, and when being the natural number, 2 adjacent groups of movable rod distribute from top to bottom, and the lower extreme that is located a set of 2 movable rods of top is articulated with the upper end one-to-one that is located a set of 2 movable rods of below respectively, and the base plate is connected with the actuating mechanism who is used for driving two connecting blocks to move in opposite directions or back on the other hand. The utility model discloses a set up expansion bracket mechanism and drive the objective table and go up and down, overall structure is simple, and the cost is lower relatively.
Description
Technical Field
The utility model relates to a 3D printer technical field relates to a elevating gear for 3D prints.
Background
The 3D printer is also called as a three-dimensional printer, a technology of constructing an object by using a bonding material such as powdered metal or plastic and the like and a layer-by-layer printing mode is adopted, when the 3D printer is used for printing a large-volume object, in order to reduce the complexity of a moving mechanism connected with a spray head, a lifting device is arranged on an objective table by the 3D printer, the spray head changes the position in the transverse direction and the longitudinal direction in the printing process, and the printed object continuously changes the height on the objective table; the lifting mechanism for driving the objective table to lift is generally driven by a single-side screw rod, and the other side of the lifting mechanism is assisted with a guide moving mechanism; the lead screw on one side bears not only gravity but also moment; the stability is poor; in order to improve the stability of the printer, a bilateral lifting mechanism is adopted in many 3D printers, and the name of the bilateral lifting mechanism is as follows, for example, the patent number is CN 2017201263978: the utility model provides a lifting mechanism of 3D printer, this lifting mechanism has adopted screw-nut piece mechanism respectively in both sides, and the structure is comparatively complicated, the cost is higher.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that exists among the prior art, provide a elevating gear for 3D prints, this elevating gear's cargo platform simple structure, the cost is lower.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a lift device for 3D printing, comprising: the telescopic frame mechanism comprises n groups of movable rods, each group of movable rods comprises 2 movable rods, hinge holes are formed in the two ends and the middle of each movable rod, the middle parts of the 2 movable rods are hinged and arranged in a crossed mode, the base plate is provided with two connecting blocks arranged at intervals, and the lower ends of the 2 movable rods at the lowest side are correspondingly hinged with the two connecting blocks respectively; the upper ends of the 2 movable rods positioned at the top are connected with upper bearings, and the upper bearings are abutted to the objective table; when n >1, and when being the natural number, 2 adjacent groups of movable rod distribute from top to bottom, and the lower extreme that is located a set of 2 movable rods of top is articulated with the upper end one-to-one that is located a set of 2 movable rods of below respectively, and the base plate is connected with the actuating mechanism who is used for driving two connecting blocks to move in opposite directions or back on the other hand.
Furthermore, the base plate is provided with a guide groove, one connecting block is located in the guide groove and is in sliding connection with the guide groove, the other connecting block is fixed on the base plate, the driving mechanism comprises a motor, a screw rod and a bearing seat, the motor is in driving connection with the screw rod through a coupler, one connecting block is provided with a threaded through hole and is in threaded connection with the screw rod, and the screw rod is connected with a bearing in the bearing seat.
Furthermore, the base plate is provided with a guide groove, one connecting block is located in the guide groove and is in sliding connection with the guide groove, the other connecting block is fixed on the base plate, the driving mechanism comprises a motor, the motor is connected with a driving gear, one connecting block is connected with a rack, the rack is embedded in the guide groove, and the driving gear is connected with the rack.
Furthermore, the base plate is provided with a guide groove, the two connecting blocks are located in the guide groove, the driving mechanism comprises a motor, a screw rod and a bearing seat, the motor is in driving connection with the screw rod through a coupler, the connecting blocks are provided with threaded through holes and are in threaded connection with the screw rod, the screw rod is connected with a bearing in the bearing seat, the screw rod comprises two thread sections with opposite thread turning directions, and the thread turning directions of the threaded through holes of the two connecting blocks are opposite.
Furthermore, the upper end of the connecting block is provided with a movable groove, the side surface of the connecting block is connected with a fixed shaft, the lower end of the movable rod positioned at the lowest part is inserted into the corresponding movable groove, and the fixed shaft penetrates through the hinge hole corresponding to the lower end of the movable rod.
Furthermore, a hinged shaft is arranged in a hinged hole at the upper end of the uppermost movable rod, at least one of two ends of the hinged shaft extends out of the hinged hole and is connected with the upper bearing, and the upper end face of the upper bearing is higher than the upper end face of the movable rod; the lower extreme of objective table is equipped with the sliding tray, upper bearing and sliding tray sliding connection.
Preferably, the outer end of the hinge shaft extends out of the upper bearing, and a clamping groove matched with the hinge shaft is formed in the side face of the sliding groove.
Furthermore, the base plate is provided with a plurality of guide posts, the objective table is provided with guide holes matched with the guide posts, and the guide posts penetrate through the guide holes.
Preferably, a vertical bearing is arranged in the guide hole, and the guide column is connected with the vertical bearing.
The utility model has the advantages that: the utility model discloses a set up expansion bracket mechanism and drive the objective table and go up and down, overall structure is simple, and the cost is lower relatively.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic diagram of the present embodiment.
Fig. 2 is another view of fig. 1.
Fig. 3 is a schematic view of the stage of fig. 1 removed.
Fig. 4 is a second schematic diagram of the present embodiment.
Fig. 5 is a third schematic diagram of the present embodiment.
Fig. 6 is an enlarged schematic view of a portion a in fig. 2.
The reference numerals include:
1-object stage; 2-guide post; 3-vertical bearing; 4-a movable rod; 5-connecting block; 6-movable groove; 7-concave hole; 8-a substrate; 9-bearing seat; 10-coupling; 11-electric motor; 12-screw mandrel; 13-upper bearing; 14-articulated shaft; 16-driving gear; 17-rack; 18-guide groove; 19-sliding groove; 20-card slot.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The invention will now be further described with reference to the accompanying drawings.
As shown in fig. 1-6.
Example 1: a lift device for 3D printing, comprising: the device comprises an object stage 1 and a base plate 8, wherein an expansion bracket mechanism is arranged between the object stage 1 and the base plate 8, the expansion bracket mechanism comprises n groups of movable rods 4, each group of movable rods 4 comprises 2 movable rods 4, hinge holes are formed in the two ends and the middle of each movable rod 4, the middle parts of the 2 movable rods 4 are hinged and crossed, the base plate 8 is provided with two connecting blocks 5 which are arranged at intervals, and the lower ends of one group of 2 movable rods 4 positioned at the lowest side are correspondingly hinged with the two connecting blocks 5 respectively; the upper ends of the 2 movable rods 4 positioned at the top are connected with an upper bearing 13, and the upper bearing 13 is abutted against the objective table 1; when n >1, and when being the natural number, 2 adjacent groups of movable rod 4 distribute from top to bottom, and the lower extreme that is located a set of 2 movable rod 4 of top is articulated with the upper end one-to-one that is located a set of 2 movable rod 4 of below respectively, and base plate 8 is connected with the actuating mechanism that is used for driving two connecting blocks 5 and moves towards each other or carry on the back mutually.
According to the technical scheme, the object stage 1 is lifted by adopting the telescopic frame mechanism, one group of 2 movable rods 4 is equivalent to two diagonal lines of a rectangle, when the group of 2 movable rods 4 positioned at the bottom moves towards or away from each other, the height of the rectangle formed by the two movable rods 4 serving as the diagonal lines is increased or reduced, and the states of each group of movable rods 4 are consistent, so that the object stage 1 is lifted or lowered along with the lifting; the objective table 1 operates stably, and the lifting of the objective table 1 is related to the distance between the hinge holes at the lower ends of the two lowermost movable rods 4, so that the height of the objective table 1 can be adjusted by adjusting the distance between the lower ends of the two movable rods 4. When n is 1, the set of active levers 4 is not only the uppermost active lever 4 but also the lowermost active lever 4.
Referring to fig. 5, further, the base plate 8 is provided with a guide groove 18, one of the connecting blocks 5 is located in the guide groove 18 and slidably connected with the guide groove 18, the other connecting block 5 is fixed to the base plate 8, the driving mechanism includes a motor 11, a screw rod 12 and a bearing seat 9, the motor 11 is in driving connection with the screw rod 12 through a coupling 10, one of the connecting blocks 5 is provided with a threaded through hole and is in threaded connection with the screw rod 12, and the screw rod 12 is connected with a bearing in the bearing seat 9.
One of the two connecting blocks 5 is fixed on the base plate 8 in a fixed connection mode, for example, by welding and a bolt connection mode is fixed on the base plate 8; the other connecting block 5 can move along the guide groove 18, the motor 11 drives the screw rod 12 to rotate and drive the connecting block 5 to move linearly, and the two connecting blocks 5 move towards or away from each other.
Referring to fig. 4, further, the base plate 8 is provided with a guide groove 18, one of the connecting blocks 5 is located in the guide groove 18 and slidably connected with the guide groove 18, the other connecting block 5 is fixed to the base plate 8, the driving mechanism includes a motor 11, the motor 11 is connected with a driving gear 16, one of the connecting blocks 5 is connected with a rack 17, the rack 17 is embedded in the guide groove 18, and the driving gear 16 is connected with the rack 17.
The motor 11 drives the driving gear 16 to rotate, and the driving gear 16 drives the rack 17 to move along the guide groove 18, so as to drive the connecting block 5 to move along the guide groove 18. Thereby achieving the purpose of changing the distance between the two connecting blocks 5.
See fig. 1, 2, 3; further, the base plate 8 is provided with a guide groove 18, the two connecting blocks 5 are located in the guide groove 18, the driving mechanism comprises a motor 11, a screw rod 12 and a bearing seat 9, the motor 11 is in driving connection with the screw rod 12 through a coupler 10, the connecting blocks 5 are provided with threaded through holes and in threaded connection with the screw rod 12, the screw rod 12 is connected with a bearing in the bearing seat 9, the screw rod 12 comprises two thread sections with opposite thread turning directions, and the thread turning directions of the threaded through holes of the two connecting blocks 5 are opposite.
In the technical scheme, the screw rod 12 is adopted to drive the two connecting blocks 5 to move towards or away from each other; simple structure and convenient operation.
Further, the upper end of the connecting block 5 is provided with a movable groove 6, the side surface of the connecting block 5 is connected with a fixed shaft, the lower end of the movable rod 4 positioned at the lowest part is inserted into the corresponding movable groove 6, and the fixed shaft penetrates through the hinge hole corresponding to the lower end of the movable rod 4.
For the convenience with connecting block 5 articulated with movable rod 4, this technical scheme is equipped with movable groove 6 in the upper end of connecting block 5 to pass the hinge hole of movable rod 4 lower extreme through the fixed axle and realize articulating with movable rod 4.
Further, a hinge shaft 14 is arranged in a hinge hole at the upper end of the uppermost movable rod 4, at least one of two ends of the hinge shaft 14 extends out of the hinge hole and is connected with the upper bearing 13, and the upper end face of the upper bearing 13 is higher than the upper end face of the movable rod 4; the lower end of the object stage 1 is provided with a sliding groove 19, and the upper bearing 13 is connected with the sliding groove 19 in a sliding manner.
For making the movable rod 4 of the top when bearing objective table 1, the atress is comparatively even, in this embodiment, articulated shaft 14's both ends all stretch out the hinge hole and connect upper bearing 13, bear the gravity of objective table 1 through two upper bearing 13. The occurrence of moment is avoided, causing the bending of the hinge shaft 14. After the movable groove 6 is provided, the upper bearing 13 is guided in the sliding groove 19. Avoiding shaking.
Preferably, the outer end of the hinge shaft 14 extends out of the upper bearing 13, and the side of the sliding groove 19 is provided with a locking groove 20 matched with the hinge shaft 14.
After the clamping groove 20 is arranged, the hinge shaft 14 is limited in the clamping groove 20 to move; thereby preventing the stage 1 from being separated from the upper bearing 13. Preferably, the middle of the lower end surface of the object stage 1 is provided with a concave hole 7 communicated with the sliding groove 19. The recessed hole 7 is provided to facilitate the movement of the upper bearing 13 and the hinge shaft 14 into the sliding groove 19 and the locking groove 20.
Further, base plate 8 is equipped with many guide posts 2, objective table 1 is equipped with the guiding hole with guide post 2 matched with, and guide post 2 passes the guiding hole.
Preferably, a vertical bearing 3 is arranged in the guide hole, and the guide column 2 is connected with the vertical bearing 3.
The object stage 1 can move directionally in the lifting process by arranging the guide posts 2 and the guide holes. The vertical bearing 3 is provided to reduce friction.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; 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 or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (9)
1. A lift device for 3D printing, comprising: objective table and base plate are equipped with expansion bracket mechanism, its characterized in that between objective table and the base plate: the telescopic frame mechanism comprises n groups of movable rods, each group of movable rods comprises 2 movable rods, hinge holes are formed in the two ends and the middle of each movable rod, the middle parts of the 2 movable rods are hinged and crossed, the base plate is provided with two connecting blocks arranged at intervals, and the lower ends of the group of 2 movable rods at the lowest side are correspondingly hinged with the two connecting blocks respectively; the upper ends of the 2 movable rods positioned at the top are connected with upper bearings, and the upper bearings are abutted to the objective table; when n >1, and when being the natural number, 2 adjacent groups of movable rod distribute from top to bottom, and the lower extreme that is located a set of 2 movable rods of top is articulated with the upper end one-to-one that is located a set of 2 movable rods of below respectively, and the base plate is connected with the actuating mechanism who is used for driving two connecting blocks to move in opposite directions or back on the other hand.
2. Lifting device for 3D printing according to claim 1, characterized in that: the base plate is equipped with the guide way, one of them connecting block be located the guide way and with guide way sliding connection, another connecting block is fixed in the base plate, and actuating mechanism includes motor, lead screw and bearing frame, and the motor passes through the shaft coupling and is connected with the lead screw drive, one of them connecting block be equipped with the screw thread perforation and with lead screw threaded connection, the lead screw is connected with the bearing in the bearing frame.
3. Lifting device for 3D printing according to claim 1, characterized in that: the base plate is equipped with the guide way, and one of them connecting block is located the guide way and with guide way sliding connection, and another connecting block is fixed in the base plate, and actuating mechanism includes the motor, and the motor is connected with the driving gear, one of them connecting block is connected with the rack, and the guide way is located to the rack inlays, and the driving gear is connected with the rack.
4. Lifting device for 3D printing according to claim 1, characterized in that: the base plate is provided with a guide groove, the two connecting blocks are located in the guide groove, the driving mechanism comprises a motor, a screw rod and a bearing seat, the motor is in driving connection with the screw rod through a coupler, the connecting blocks are provided with threaded through holes and are in threaded connection with the screw rod, the screw rod is connected with a bearing in the bearing seat, the screw rod comprises two thread sections with opposite thread turning directions, and the thread turning directions of the threaded through holes of the two connecting blocks are opposite.
5. Lifting device for 3D printing according to claim 1 or 2 or 3 or 4, characterized in that: the upper end of the connecting block is provided with a movable groove, the side surface of the connecting block is connected with a fixed shaft, the lower end of the movable rod positioned at the lowest part is inserted into the corresponding movable groove, and the fixed shaft penetrates through the hinge hole corresponding to the lower end of the movable rod.
6. Lifting device for 3D printing according to claim 1 or 2 or 3 or 4, characterized in that: a hinged shaft is arranged in the hinged hole at the upper end of the uppermost movable rod, at least one of two ends of the hinged shaft extends out of the hinged hole and is connected with the upper bearing, and the upper end surface of the upper bearing is higher than the upper end surface of the movable rod; the lower extreme of objective table is equipped with the sliding tray, upper bearing and sliding tray sliding connection.
7. Lifting device for 3D printing according to claim 6, characterized in that: the outer tip of articulated shaft stretches out upper bearing, the side of sliding tray is equipped with the draw-in groove with articulated shaft matched with.
8. Lifting device for 3D printing according to claim 1, characterized in that: the base plate is provided with a plurality of guide posts, the objective table is provided with guide holes matched with the guide posts, and the guide posts penetrate through the guide holes.
9. Lifting device for 3D printing according to claim 8, characterized in that: and a vertical bearing is arranged in the guide hole, and the guide column is connected with the vertical bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120445220.0U CN214448530U (en) | 2021-03-01 | 2021-03-01 | Lifting device for be used for 3D to print |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120445220.0U CN214448530U (en) | 2021-03-01 | 2021-03-01 | Lifting device for be used for 3D to print |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214448530U true CN214448530U (en) | 2021-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120445220.0U Expired - Fee Related CN214448530U (en) | 2021-03-01 | 2021-03-01 | Lifting device for be used for 3D to print |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214448530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116538386A (en) * | 2023-07-06 | 2023-08-04 | 南京欧能机械有限公司 | Mould temperature machine convenient to location |
-
2021
- 2021-03-01 CN CN202120445220.0U patent/CN214448530U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116538386A (en) * | 2023-07-06 | 2023-08-04 | 南京欧能机械有限公司 | Mould temperature machine convenient to location |
| CN116538386B (en) * | 2023-07-06 | 2023-09-01 | 南京欧能机械有限公司 | Mould temperature machine convenient to location |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |
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| CF01 | Termination of patent right due to non-payment of annual fee |