CN220464774U - Synchronous belt tensioning mechanism and 3D printer - Google Patents
Synchronous belt tensioning mechanism and 3D printer Download PDFInfo
- Publication number
- CN220464774U CN220464774U CN202321804244.6U CN202321804244U CN220464774U CN 220464774 U CN220464774 U CN 220464774U CN 202321804244 U CN202321804244 U CN 202321804244U CN 220464774 U CN220464774 U CN 220464774U
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- tensioning mechanism
- belt tensioning
- mounting
- synchronous belt
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 33
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000010146 3D printing Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses a synchronous belt tensioning mechanism and a 3D printer, wherein the synchronous belt tensioning mechanism can adjust the synchronous belt to a proper tightness, has a simple and reliable structure and is suitable for popularization and use. The technical problems to be solved by the utility model are realized by the following technical means: the utility model provides a synchronous belt tensioning mechanism, which comprises a mounting seat, a synchronous belt and a tensioning wheel, wherein a rotating shaft is arranged at the center of the tensioning wheel, a through groove is formed in the mounting seat, the rotating shaft downwards penetrates through the through groove, a penetrating end at the lower part of the rotating shaft is arranged on a moving part, the moving part can reciprocate along a straight line, at least one screw hole and at least one mounting hole are formed in the moving part, the center line of the screw hole is parallel to the moving direction of the moving part, the center line of the mounting hole is perpendicular to the moving direction of the moving part, and a locking part for detachably connecting the moving part to the mounting seat is arranged in the mounting hole. The utility model relates to the technical field of 3D printing.
Description
Technical Field
The utility model relates to the technical field of 3D printing, in particular to a synchronous belt tensioning mechanism and a 3D printer.
Background
Some 3D printers adopt synchronous belts to drive and displace the printing heads or the printing platforms, and the synchronous belts loosen and influence the printing precision of the 3D printers along with the extension of the service time; the patent number 2021109150466 discloses a 3D printer with a synchronous belt tensioning mechanism, and the technical scheme is that after the synchronous belt is loosened, the position of an idler wheel can be adjusted through an adjusting assembly, tensioning of the synchronous belt is achieved, the adjusting assembly comprises a screw rod and a handle, and when the synchronous belt needs to be tensioned, the handle and the screw rod are rotated, so that a sliding sleeve is driven to slide to enable the idler wheel to move, and the synchronous belt can be tensioned; the patent number 2016212316315, named a device for adjusting the tension of the synchronous belt in the 3D printer, also discloses a device which is connected through screw threads and is used for driving a moving block to move, so that the wheels move in position and the effect of tensioning the synchronous belt is achieved; the technology of the aforesaid patent adopts screw rod, bolt to drive the moving part through screwing and remove the back make the synchronizing wheel remove in order to realize tensioning, in this design, firstly, the screw rod is arranged in the outside of 3D printer and can be seen, so aesthetic measure is greatly discounted, secondly, singly lean on the frictional force locking synchronous pulley of screw rod, can appear adjusting screw rod to after the hold-in range tensioning is suitable, when loosening the screw rod, the screw rod can reverse the little portion of callback and lead to the hold-in range to loosen a bit again, and then there is little problem when adjusting the elasticity.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides the synchronous belt tensioning mechanism and the 3D printer, and the synchronous belt tensioning mechanism can adjust the synchronous belt to a proper tightness, has a simple and reliable structure and is suitable for popularization and use.
The technical problems to be solved by the utility model are realized by the following technical means: the utility model provides a synchronous belt tensioning mechanism, which comprises a mounting seat, a synchronous belt and a tensioning wheel, wherein a rotating shaft is arranged at the center of the tensioning wheel, a through groove is formed in the mounting seat, the rotating shaft downwards penetrates through the through groove, a penetrating end at the lower part of the rotating shaft is arranged on a moving part, the moving part can reciprocate along a straight line, at least one screw hole and at least one mounting hole are formed in the moving part, the central line of the screw hole is parallel to the moving direction of the moving part, the central line of the mounting hole is perpendicular to the moving direction of the moving part, and a locking part for detachably connecting the moving part to the mounting seat is arranged in the mounting hole.
In the scheme, the moving part is used for driving the tensioning wheel, and tensioning operation of the synchronous belt can be realized after the tensioning wheel moves; the screw hole on the moving part is used for realizing movement adjustment of the moving part by abutting against an external adjusting bolt as in the prior art, in addition, after the position of the moving part is adjusted by the external adjusting bolt, the moving part is locked on the mounting seat through the locking part at the mounting hole, the mounting seat is a part of the 3D printer, and the tensioning wheel, the rotating shaft and the moving part can be fixed through the locking of the locking part, so that the adjusting bolt cannot be reversely retracted even if the adjusting bolt is loosened, and the synchronous belt cannot be loosened; on the other hand, the adjusting bolt for adjusting the position of the moving part can be detached and taken away after the locking part locks the moving part, so that the adjusting bolt is only an auxiliary tool and is simply used for adjusting the position of the moving part and then is detached, the adjusting bolt is not arranged outside the subsequent 3D printer, and the problem that the adjusting bolt influences the aesthetic feeling of the appearance of the 3D printer is avoided.
In one embodiment, the through groove is a waist-shaped groove, and the length direction of the through groove is parallel to the moving direction of the moving member.
In one embodiment, the mounting hole is a counter bore, the locking member comprises a nut and a bolt, the nut is mounted in the mounting hole in a matched mode, the bolt is screwed with the nut, a countersunk waist-shaped groove matched with the bolt is formed in the mounting seat, and the length direction of the countersunk waist-shaped groove is parallel to the moving direction of the moving member.
In the scheme, the inner hexagon bolt can be selected as the bolt, when the bolt is screwed down, the head of the bolt is positioned in the countersunk waist-shaped groove, and the stud part of the bolt is screwed and locked with the nut.
In one embodiment, the number of the mounting holes arranged on the moving member is 4, the 4 mounting holes are arranged at four corners of a rectangular area of the moving member, and the countersunk waist-shaped grooves are in one-to-one correspondence with the mounting holes and have the same number.
In the scheme, a plurality of mounting holes are provided with a plurality of bolts for connection, so that the movable piece can be locked more firmly.
In one embodiment, the mounting hole is a hex counterbore.
In one embodiment, the moving member is provided with a vertical plate, the screw hole is mounted on the vertical plate, and the mounting seat is provided with a through hole corresponding to the screw hole on the vertical plate.
In one embodiment, a space is provided between the vertical plate and the mount.
In the scheme, the external adjusting bolt is inserted into the through hole and then screwed into the screw hole, so that the moving part can change in position when the adjusting bolt is screwed.
In one embodiment, a driving motor matched with the tensioning wheel is arranged at the lower part of the moving part, and the rotating shaft is an output shaft of the driving motor.
Another aspect of the present utility model provides a 3D printer, which is characterized by comprising the synchronous belt tensioning mechanism.
Drawings
FIG. 1 is a schematic diagram of a timing belt tensioning mechanism in one embodiment;
FIG. 2 is a schematic view of another angle of the timing belt tensioning mechanism in one embodiment;
FIG. 3 is a schematic diagram of the structure of a mover in one embodiment;
fig. 4 is a schematic diagram of the structure of the through slot in one embodiment.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
As shown in fig. 1 to 4, the technical scheme adopted by the utility model is as follows: according to the technical scheme, the synchronous belt tensioning mechanism comprises a mounting seat 1, a synchronous belt 2 and a tensioning wheel 3, wherein a rotating shaft is arranged in the center of the tensioning wheel 3, a through groove 5 is formed in the mounting seat 1, the rotating shaft penetrates through the through groove 5 downwards, a penetrating end at the lower part of the rotating shaft is mounted on a moving piece 6, the moving piece 6 can reciprocate along a straight line, at least one screw hole 7 and at least one mounting hole 8 are formed in the moving piece 6, the center line of the screw hole 7 is parallel to the moving direction of the moving piece 6, the center line of the mounting hole 8 is perpendicular to the moving direction of the moving piece 6, and a locking piece 9 used for detachably connecting the moving piece 6 to the mounting seat 1 is arranged in the mounting hole 8.
In the above scheme, the moving part 6 is used for driving the tensioning wheel 3, and the tensioning operation of the synchronous belt 2 can be realized after the tensioning wheel 3 moves; the screw hole 7 on the moving part 6 is used for realizing the movement adjustment of the moving part 6 by abutting against an external adjusting bolt as in the prior art, in addition, after the position of the moving part 6 is adjusted by the external adjusting bolt, the moving part 6 is locked on the mounting seat 1 through the locking part 9 at the mounting hole 8, the mounting seat 1 is a part of the 3D printer, and the tensioning wheel 3, the rotating shaft and the moving part 6 can be fixed through the locking of the locking part 9, so that the adjusting bolt cannot be reversely retracted even if the adjusting bolt is loosened, and the condition that the synchronous belt 2 is loosened again cannot be caused; on the other hand, the adjusting bolt for adjusting the position of the moving part 6 can be detached and removed after the moving part 6 is locked by the locking part 9, so that the adjusting bolt is only an auxiliary tool and is simply used for adjusting the position of the moving part 6 to be detached, and the adjusting bolt is not arranged outside the subsequent 3D printer, so that the problem that the adjusting bolt influences the aesthetic feeling of the appearance of the 3D printer is avoided.
In one embodiment, the through groove 5 is a waist-shaped groove, and the length direction of the through groove 5 is parallel to the moving direction of the moving member 6.
In one embodiment, the mounting hole 8 is a counter bore, the locking member 9 includes a nut 13 adapted to be mounted in the mounting hole 8 and a bolt 14 screwed with the nut 13, the mounting seat 1 is provided with a countersunk waist-shaped groove 10 matched with the bolt 14, and the length direction of the countersunk waist-shaped groove 10 is parallel to the moving direction of the moving member 6.
In the above scheme, the bolt 14 may be a socket head cap bolt 14, and when the bolt 14 is screwed down, the head of the bolt 14 is located in the countersunk waist-shaped groove 10, and the stud portion of the bolt 14 is screwed and locked with the nut 13.
In one embodiment, the number of the mounting holes 8 provided on the moving member 6 is 4, the 4 mounting holes 8 are arranged at four corners of a rectangular area of the moving member 6, and the countersunk waist-shaped grooves 10 are in one-to-one correspondence with the mounting holes 8 and have the same number.
In the above-described embodiment, the plurality of mounting holes 8 are provided with the plurality of bolts 14 for connection, thereby realizing more stable locking of the moving member 6.
In one embodiment, the mounting hole 8 is a hexagonal counterbore.
In one embodiment, the moving member 6 is provided with a vertical plate 11, the screw hole 7 is mounted on the vertical plate 11, and the mounting seat 1 is provided with a through hole 12 corresponding to the screw hole 7 on the vertical plate 11.
In one embodiment, a space is provided between the vertical plate 11 and the mounting base 1.
In the above-mentioned scheme, the external adjusting bolt passes through the screw hole 7 after inserting through hole 12, can realize that moving member 6 is the position change when the adjusting bolt is screwed.
In one embodiment, a driving motor 15 matched with the tensioning wheel 3 is arranged at the lower part of the moving part 6, and the rotating shaft is an output shaft of the driving motor 15.
Another aspect of the present utility model provides a 3D printer, which is characterized by comprising the synchronous belt tensioning mechanism.
Claims (9)
1. Synchronous belt tensioning mechanism, its characterized in that: the novel tension device comprises a mounting seat (1), a synchronous belt (2) and a tension wheel (3), wherein a rotating shaft is arranged at the center of the tension wheel (3), a through groove (5) is formed in the mounting seat (1), the rotating shaft downwards penetrates through the through groove (5), the penetrating end of the lower part of the rotating shaft is arranged on a moving piece (6), the moving piece (6) can reciprocate along a straight line, at least one screw hole (7) and at least one mounting hole (8) are formed in the moving piece (6), the center line of the screw hole (7) is parallel to the moving direction of the moving piece (6), the center line of the mounting hole (8) is perpendicular to the moving direction of the moving piece (6), and a locking piece (9) which is used for detachably connecting the moving piece (6) to the mounting seat (1) is arranged in the mounting hole (8).
2. The timing belt tensioning mechanism of claim 1, wherein: the through groove (5) is a waist-shaped groove, and the length direction of the through groove (5) is parallel to the moving direction of the moving piece (6).
3. The timing belt tensioning mechanism of claim 1, wherein: the mounting hole (8) is a counter bore, the locking piece (9) comprises a nut (13) which is mounted in the mounting hole (8) in a matching mode and a bolt (14) which is in threaded connection with the nut (13), a countersunk head waist-shaped groove (10) which is matched with the bolt (14) is arranged on the mounting seat (1), and the length direction of the countersunk head waist-shaped groove (10) is parallel to the moving direction of the moving piece (6).
4. A timing belt tensioning mechanism as defined in claim 3, wherein: the number of the mounting holes (8) arranged on the moving part (6) is 4, the 4 mounting holes (8) are arranged at four corners of a rectangular area of the moving part (6), and the countersunk waist-shaped grooves (10) are in one-to-one correspondence with the mounting holes (8) and are the same in number.
5. A timing belt tensioning mechanism as defined in claim 3, wherein: the mounting hole (8) is a hexagonal counter bore.
6. The timing belt tensioning mechanism of claim 1, wherein: the movable part (6) is provided with a vertical plate (11), the screw holes (7) are arranged on the vertical plate (11), and the mounting base (1) is provided with through holes (12) corresponding to the screw holes (7) on the vertical plate (11).
7. The timing belt tensioning mechanism of claim 6, wherein: and a space is arranged between the vertical plate (11) and the mounting seat (1).
8. The timing belt tensioning mechanism of claim 1, wherein: the lower part of the moving part (6) is fixedly provided with a driving motor (15) matched with the tensioning wheel (3), and the rotating shaft is an output shaft of the driving motor (15).
A 3D printer comprising a timing belt tensioning mechanism as claimed in any one of claims 1 to 8.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320982873 | 2023-04-27 | ||
| CN2023209828731 | 2023-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220464774U true CN220464774U (en) | 2024-02-09 |
Family
ID=89805217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321804244.6U Active CN220464774U (en) | 2023-04-27 | 2023-07-11 | Synchronous belt tensioning mechanism and 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220464774U (en) |
-
2023
- 2023-07-11 CN CN202321804244.6U patent/CN220464774U/en active Active
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