CN212386017U - Dead Z axle balancing unit of anti-sticking and have this balancing unit's 3D printer - Google Patents
Dead Z axle balancing unit of anti-sticking and have this balancing unit's 3D printer Download PDFInfo
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- CN212386017U CN212386017U CN202020868463.0U CN202020868463U CN212386017U CN 212386017 U CN212386017 U CN 212386017U CN 202020868463 U CN202020868463 U CN 202020868463U CN 212386017 U CN212386017 U CN 212386017U
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Abstract
The utility model relates to a dead Z axle balancing unit of anti-sticking and have this balancing unit's 3D printer have solved lead screw and slide rail nonparallel and lead to the problem that Z axle platform blocked on the current 3D printer Z axle direction easily. It includes the lead screw and the slide rail of vertical setting, the thread bush is equipped with the silk braid on the lead screw, the outside cover of silk braid is equipped with the connecting block, be connected with the connecting piece between lead screw and the slide rail, be provided with the balancing piece on the connecting piece, first through-hole has been seted up on the connecting piece, the second through-hole has been seted up on the balancing piece, the silk braid wear to locate in first through-hole and the second through-hole and all have the clearance between the inner wall of first through-hole and second through-hole, the balancing piece is close to one side of connecting piece and has been seted up the compensating groove. The utility model discloses relative movement can take place for connecting block and balancing piece, and then avoids the in-process connecting piece card of going up and down to die.
Description
Technical Field
The utility model belongs to the technical field of the technique of 3D printer and specifically relates to a dead Z axle balancing unit of anti-sticking and have this balancing unit's 3D printer is related to.
Background
The 3D printing technology is a rapid prototyping technology, utilizes the meltable material, and is based on digital file, through the successive layer and a technique that produces the product, when printing, the printer beat printer head and realize through the removal of XYZ axle, and XY axle makes and beats printer head and move at the horizontal plane, and Z axle platform makes and beats printer head and rise and fall in vertical direction, and the successive layer is printed, and current 3D printer structure is more and more simple, and the function is also more and more powerful.
The existing 3D printer is generally connected with a motor for driving through a screw rod, and some of the existing 3D printers also use double screw rods to enable a Z-axis platform to ascend or add a smooth guide rail to stably guide the Z-axis platform to ascend or descend, and the main purpose of the existing 3D printer is to enable the Z-axis platform to ascend or descend along the vertical direction.
But the lead screw and the guide rail cannot be arranged in an absolute vertical parallel mode, so that when the Z-axis platform rises to a certain height, the Z-axis platform is clamped due to the fact that the lead screw and the guide rail are not parallel, and equipment operation is affected.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a first discovery provides an anti-sticking dies Z axle balancing unit, its advantage lies in: can guarantee that elevating system steadily rises or descends, avoids the card dead.
A second object of the present invention is to provide a 3D printer, which is advantageous in that: guarantee that the ascending and descending of 3D printer in Z axle direction keeps steady, improved the precision that 3D printed.
The utility model discloses a first discovery is realized through following technical scheme:
an anti-jamming Z-axis balancing device comprises a vertically arranged lead screw and a vertically arranged slide rail, wherein the bottom end of the lead screw is connected with a driving piece, the slide rail is connected with a lifting mechanism in a sliding manner, a thread sleeve is sleeved on the lead screw, a connecting block is fixedly sleeved on the outer side of the thread sleeve, a connecting piece is connected between the lead screw and the slide rail, a balancing block is arranged on the connecting piece, a first through hole is formed in the connecting piece, a second through hole corresponding to the first through hole is formed in the balancing block, the thread sleeve is arranged in the first through hole and the second through hole in a penetrating manner and has a gap with the inner wall of the first through hole and the inner wall of the second through hole, the balancing block is arranged at one side close to the connecting piece and has a balancing groove, the connecting block is positioned in the balancing groove and has a gap with the side, the connecting piece and the balance weight clamp the connecting block.
Through adopting above-mentioned technical scheme, driving piece drive lead screw rotates and then drives connecting piece and elevating system and go up and down during the use, in connecting piece and elevating system lift in-process, if not completely parallel between lead screw and the slide rail, because all there is the clearance and there is the clearance between the lateral wall of connecting block and compensating groove between the inner wall of silk braid and first through-hole and second through-hole, along with connecting piece and elevating system's lift, can take place relative movement between silk braid and connecting block and the balancing piece, and then finely tune the relative position of connecting piece and elevating system and lead screw, make connecting piece and elevating system can keep steady lift, avoid leading to the card to die because of the local deviation of lead screw and slide rail is great in the lift in-process.
The utility model discloses further set up to: the balancing piece with the connecting piece can be dismantled and be connected, fixing bolt wears to be equipped with along vertical direction on the connecting piece, fixing bolt threaded connection in the balancing piece, the connecting piece with the balancing piece passes through fixing bolt fixes.
Through adopting above-mentioned technical scheme, the balancing piece is convenient regularly to pull down the balancing piece with dismantling of connecting piece and is rectified or change the silk braid, makes silk braid and lead screw keep good cooperation, and fixing bolt is used for fixing the balancing piece, makes balancing piece and connecting piece firmly connected.
The utility model discloses further set up to: the fixing bolt is sleeved with a gasket, and the gasket is located between a nut of the fixing bolt and the connecting piece.
Through adopting above-mentioned technical scheme, the setting up of gasket can improve the fastness that fixing bolt and connecting piece are connected, and then consolidates the balancing piece, prevents not hard up, also can reduce the wearing and tearing between fixing bolt's the nut and the connecting piece simultaneously, avoids fixing bolt's the nut and the long-time wearing and tearing of connecting piece and leads to being connected not hard up.
The utility model discloses further set up to: rubber layers are arranged between the connecting block and the connecting piece and between the connecting block and the balance block, and the cross sectional area of each rubber layer is not larger than that of the balance block.
Through adopting above-mentioned technical scheme, when connecting piece and elevating system move to the position that can take place relative movement between connecting block and the balancing piece, the rubber layer can take place deformation along with the relative movement of connecting block and balancing piece, makes connecting block and balancing piece take place relative movement more easily, has reduced the resistance that receives when connecting block and balancing piece take place relative movement, and then guarantees that connecting piece and elevating system can steadily go up and down.
The utility model discloses further set up to: the driving piece is a stepping motor.
Through adopting above-mentioned technical scheme, step motor control accuracy is high, conveniently carries out accurate control to the lift of lead screw.
The utility model discloses further set up to: the lifting mechanism comprises a pulley which is rotatably connected with the connecting piece and a translation module which is fixedly arranged on the connecting piece, a sliding groove is formed in the sliding rail, and the pulley is in sliding fit with the sliding groove.
Through adopting above-mentioned technical scheme, the pulley drives lifter plate and translation module in spout sliding fit and goes up and down when using, and the spout can carry on spacingly to the pulley, makes the pulley slide from top to bottom along vertical direction.
The utility model discloses further set up to: chamfering processing is conducted on the edge of the pulley to form a first inclined plane, chamfering processing is conducted on the edge of the notch of the sliding groove to form a second inclined plane, and the first inclined plane is matched with the second inclined plane.
Through adopting above-mentioned technical scheme, the setting on first inclined plane and second inclined plane can reduce the frictional force between pulley and the spout, makes the pulley slide more easily, and then has reduced the resistance that receives when lead screw and silk braid rotate, has reduced wearing and tearing, has prolonged the life of lead screw and silk braid.
The second purpose of the present invention is realized by the following technical solution:
A3D printer comprises the anti-jamming Z-axis balancing device in the scheme.
Through adopting above-mentioned technical scheme, the dead Z axle guider of anti-sticking can guarantee that the lift of 3D printer in Z axle side keeps steady, has improved the precision that 3D printed.
To sum up, the utility model discloses a beneficial technological effect does:
in the lifting process of the connecting piece and the lifting mechanism, if the screw rod and the slide rail are not completely parallel, relative movement can occur between the screw sleeve and the connecting block and the balance block along with the lifting of the connecting piece and the lifting mechanism, so that the relative positions of the connecting piece and the lifting mechanism and the screw rod are finely adjusted, the connecting piece and the lifting mechanism can be stably lifted, and the phenomenon that the screw rod and the slide rail are stuck due to large local deviation in the lifting process is avoided;
by arranging the rubber layer, when the connecting piece and the lifting mechanism move to the position where the connecting piece and the balance block can move relatively, the rubber layer can deform along with the relative movement of the connecting piece and the balance block, so that the connecting piece and the balance block can move relatively easily, the resistance force applied when the connecting piece and the balance block move relatively is reduced, and the connecting piece and the lifting mechanism can be stably lifted;
the arrangement of the first inclined plane and the second inclined plane reduces the friction force between the pulley and the sliding groove, so that the pulley can slide more easily, the resistance of the screw rod and the screw sleeve when rotating is reduced, the abrasion is reduced, and the service life of the screw rod and the screw sleeve is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a lead screw and a thread sleeve.
Fig. 3 is a schematic structural diagram of a Z-axis balancing device according to an embodiment.
Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.
Fig. 5 is a schematic structural diagram of another view angle of the Z-axis balance device in the first embodiment.
Fig. 6 is a partially enlarged schematic view of a portion B in fig. 5.
Fig. 7 is a schematic structural view of a Z-axis balancing device in the second embodiment.
Fig. 8 is a partially enlarged schematic view of a portion C in fig. 7.
Fig. 9 is a schematic structural diagram of another view angle of the Z-axis balance device in the second embodiment.
Fig. 10 is a partially enlarged schematic view of a portion D in fig. 9.
In the figure, 1, a machine body; 2. a stepping motor; 3. a screw rod; 4. a slide rail; 41. a chute; 411. a second inclined plane; 5. sleeving the silk; 51. connecting blocks; 6. a connecting member; 61. a first through hole; 62. fixing the bolt; 621. a gasket; 63. a pulley; 631. a first inclined plane; 7. a counterbalance; 71. a second through hole; 72. a balancing tank; 8. a rubber layer; 9. and a translation module.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1, for the utility model discloses a 3D printer, including organism 1, fixed mounting step motor 2 on organism 1, vertical lead screw 3 and the vertical slide rail 4 of fixed mounting on organism 1 of connecting in step motor 2 output shaft.
Referring to fig. 1 and 2, a screw sleeve 5 is sleeved on the screw rod 3 in a threaded manner, a connecting block 51 is fixedly sleeved on the outer side of the screw sleeve 5, the connecting block 51 and the screw sleeve 5 are integrated, and a connecting piece 6 is fixedly installed between the screw rod 3 and the slide rail 4 through a bolt.
Referring to fig. 3 and 6, a balance weight 7 with a circular cross section is mounted on the lower surface of the connecting member 6, a circular first through hole 61 is formed on the upper surface of the connecting member 6, a second through hole 71 corresponding to the first through hole 61 is formed on the balance weight 7, and the size of the first through hole 61 is the same as that of the second through hole 71. Two fixing bolts 62 are arranged on the connecting piece 6 in a penetrating manner along the vertical direction, the two fixing bolts 62 penetrate through the connecting piece 6 and are connected to the balance block 7 in a threaded manner, and the two fixing bolts 62 are symmetrically distributed on two sides of the first through hole 61.
The screw sleeve 5 is movably arranged in the first through hole 61 and the second through hole 71 in a penetrating way, and gaps are formed between the screw sleeve and the inner walls of the first through hole 61 and the second through hole 71. The upper surface of the balance weight 7 is provided with a balance groove 72, two ends of the balance groove 72 penetrate through the side wall of the balance weight 7, and the connecting block 51 is positioned in the balance groove 72 and has a gap with the side wall of the balance groove 72. The upper surface of the connecting block 51 abuts against the lower surface of the connecting piece 6, and the lower surface of the connecting block 51 abuts against the bottom of the inner wall of the balance groove 72.
Referring to fig. 4, one side of the connecting member 6 is rotatably provided with a pulley 63 and a translation module 9 for controlling the 3D printer to move in the Y-axis direction, a sliding groove 41 is formed in the side wall of the sliding rail 4, two ends of the sliding groove 41 extend to the upper end and the lower end of the sliding rail 4 along the vertical direction, and the pulley 63 is in sliding fit with the sliding groove 41.
When in use, the stepping motor 2 drives the screw rod 3 to rotate so as to drive the connecting piece 6 and the translation module 9 to lift, in the lifting process of the connecting piece 6, if the screw rod 3 is not completely parallel to the slide rail 4, because gaps exist between the inner walls of the screw sleeve 5 and the first through hole 61 and the inner wall of the second through hole 71, and gaps exist between the side walls of the connecting block 51 and the balance groove 72, along with the lifting of the connecting piece 6, relative movement can occur between the screw sleeve 5 and the connecting block 51 and the balance block 7, and further, the connecting piece 6 and the translation module 9 are finely adjusted, so that the connecting piece 6 and the translation module 9 can be stably lifted, and the phenomenon that the clamping is dead due to the large local deviation of the screw rod 3 and the slide rail 4 in.
Referring to fig. 4, in this embodiment, the edge of the pulley 63 is chamfered to form a first inclined surface 631, the edge of the notch of the sliding groove 41 is chamfered to form a second inclined surface 411, and the first inclined surface 631 is matched with the second inclined surface 411 when the pulley 63 slides, so that the friction between the pulley 63 and the sliding groove 41 is reduced, the pulley 63 slides more easily, the resistance of the screw rod 3 and the thread sleeve 5 during rotation is reduced, the abrasion is reduced, and the service life of the screw rod 3 and the thread sleeve 5 is prolonged.
Example two:
referring to fig. 7 and 8, the difference from the first embodiment is that a rubber gasket 621 is sleeved on each of the two fixing bolts 62, and the gasket 621 is located between the nut of the fixing bolt 62 and the connecting member 6. The gasket 621 can improve the firmness of the connection between the fixing bolt 62 and the connecting member 6, further reinforce the balance block 7, prevent looseness, and reduce the wear between the nut of the fixing bolt 62 and the connecting member 6.
Referring to fig. 9 and 10, rubber layers 8 are installed between the connection block 51 and the connection member 6 and between the connection block 51 and the weight 7, and the cross-sectional area of the rubber layer 8 is equal to that of the weight 7. When the connecting piece 6 and the translation module 9 move to the position where the relative movement between the connecting block 51 and the balance block 7 occurs, the rubber layer 8 deforms along with the relative movement between the connecting block 51 and the balance block 7, so that the connecting block 51 and the balance block 7 move relatively more easily, the resistance received when the connecting block 51 and the balance block 7 move relatively is reduced, and the connecting piece 6 and the translation module 9 can be stably lifted.
The implementation principle of the embodiment is as follows: in the lifting process of the connecting piece 6 and the lifting mechanism, if the screw rod 3 is not completely parallel to the slide rail 4, along with the lifting of the connecting piece 6 and the lifting mechanism, because gaps exist between the inner walls of the screw sleeve 5 and the first through hole 61 and the inner walls of the second through holes 71 and gaps exist between the connecting blocks 51 and the side walls of the balance grooves 72, relative movement can occur between the screw sleeve 5 and the connecting blocks 51 and the balance blocks 7, and further the relative positions of the connecting piece 6 and the lifting mechanism and the screw rod 3 are finely adjusted, so that the connecting piece 6 and the lifting mechanism can be stably lifted, and the phenomenon that the screw rod 3 and the slide rail 4 are blocked due to large local deviation in the lifting process is avoided.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a dead Z axle balancing unit of anti-sticking, includes lead screw (3) of vertical setting and slide rail (4) of vertical setting, the bottom of lead screw (3) is connected with the driving piece, sliding connection has elevating system, its characterized in that on slide rail (4): the screw rod (3) is provided with a thread sleeve (5) in a threaded sleeve manner, a connecting block (51) is fixedly sleeved on the outer side of the thread sleeve (5), a connecting piece (6) is connected between the screw rod (3) and the sliding rail (4), a balance block (7) is arranged on the connecting piece (6), a first through hole (61) is formed in the connecting piece (6), a second through hole (71) corresponding to the first through hole (61) is formed in the balance block (7), the thread sleeve (5) is arranged in the first through hole (61) and the second through hole (71) in a penetrating manner and has a gap between the inner wall of the first through hole (61) and the inner wall of the second through hole (71), a balance groove (72) is formed in one side, close to the connecting piece (6), of the balance block (7), and a gap exists between the side walls of the balance groove (72) and the connecting block (51), the connecting piece (6) and the balance weight (7) clamp the connecting block (51).
2. The anti-seize Z-axis counterbalance apparatus of claim 1, wherein: balance weight (7) with connecting piece (6) can be dismantled and be connected, wear to be equipped with fixing bolt (62) along vertical direction on connecting piece (6), fixing bolt (62) threaded connection in balance weight (7), connecting piece (6) with balance weight (7) pass through fixing bolt (62) are fixed.
3. The anti-seize Z-axis counterbalance apparatus of claim 2, wherein: the cover is equipped with gasket (621) on fixing bolt (62), gasket (621) are located fixing bolt (62) the nut with between connecting piece (6).
4. The anti-seize Z-axis counterbalance apparatus of claim 1, wherein: rubber layers (8) are arranged between the connecting block (51) and the connecting piece (6) and between the connecting block (51) and the balance block (7), and the cross sectional area of each rubber layer (8) is not larger than that of the balance block (7).
5. The anti-seize Z-axis counterbalance apparatus of claim 1, wherein: the driving piece is a stepping motor (2).
6. The anti-seize Z-axis counterbalance apparatus of claim 1, wherein: the lifting mechanism comprises a pulley (63) which is rotatably connected to the connecting piece (6) and a translation module (9) which is fixedly installed on the connecting piece (6), a sliding groove (41) is formed in the sliding rail (4), and the pulley (63) is in sliding fit with the sliding groove (41).
7. The anti-seize Z-axis counterbalance device of claim 6, wherein: the edge of the pulley (63) is chamfered to form a first inclined surface (631), the edge of the notch of the sliding groove (41) is chamfered to form a second inclined surface (411), and the first inclined surface (631) is matched with the second inclined surface (411).
8. The utility model provides a 3D printer which characterized in that: comprising an anti-seize Z-axis balancing device according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020868463.0U CN212386017U (en) | 2020-05-21 | 2020-05-21 | Dead Z axle balancing unit of anti-sticking and have this balancing unit's 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020868463.0U CN212386017U (en) | 2020-05-21 | 2020-05-21 | Dead Z axle balancing unit of anti-sticking and have this balancing unit's 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212386017U true CN212386017U (en) | 2021-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020868463.0U Expired - Fee Related CN212386017U (en) | 2020-05-21 | 2020-05-21 | Dead Z axle balancing unit of anti-sticking and have this balancing unit's 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212386017U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606285A (en) * | 2021-08-10 | 2021-11-05 | 河北洛工致物智能科技有限公司 | Shock insulation platform and working method thereof |
| WO2023051016A1 (en) * | 2021-09-30 | 2023-04-06 | 深圳市创想三维科技股份有限公司 | Z-axis structure and 3d printer |
-
2020
- 2020-05-21 CN CN202020868463.0U patent/CN212386017U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606285A (en) * | 2021-08-10 | 2021-11-05 | 河北洛工致物智能科技有限公司 | Shock insulation platform and working method thereof |
| WO2023051016A1 (en) * | 2021-09-30 | 2023-04-06 | 深圳市创想三维科技股份有限公司 | Z-axis structure and 3d printer |
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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 |
Granted publication date: 20210122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |