CN215806095U - Hold-in range straining device suitable for FDM3D printer - Google Patents
Hold-in range straining device suitable for FDM3D printer Download PDFInfo
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- CN215806095U CN215806095U CN202121754920.4U CN202121754920U CN215806095U CN 215806095 U CN215806095 U CN 215806095U CN 202121754920 U CN202121754920 U CN 202121754920U CN 215806095 U CN215806095 U CN 215806095U
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- synchronous belt
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Abstract
The utility model discloses a synchronous belt tensioning mechanism suitable for an FDM3D printer, and relates to the technical field of tightness adjustment of X-axis synchronous belts of the FDM3D printer, wherein the synchronous belt tensioning mechanism comprises a synchronous belt tensioner, a main synchronous wheel, an auxiliary synchronous wheel and a synchronous belt, wherein the synchronous belt penetrates through a section bar fixed on a printer body; the synchronous belt tightener comprises an outer cover, a sliding rail, a wheel bracket and a manual driving assembly; the outer cover is fixed on the section bar; the slide rail is fixed in the outer cover; the wheel bracket is connected with the sliding rail in a sliding way; the auxiliary synchronizing wheel is arranged on the wheel bracket; the manual driving assembly is installed in the outer cover, and its manual operation end extends to the outer cover outside, through the manual driving assembly, can drive the wheel support and remove about along the slide rail. When adjusting the elasticity degree of hold-in range, need not to dismantle the dustcoat, only need through the manual operation end, alright control manual drive subassembly drive wheel support removes along the slide rail, realizes then that the position control about the vice synchronizing wheel has realized the elasticity of hold-in range promptly and has adjusted, operates very simply.
Description
Technical Field
The utility model relates to the technical field of adjusting tightness of X-axis synchronous belts of FDM3D printers, in particular to a synchronous belt tensioning mechanism suitable for FDM3D printers.
Background
The FDM3D printer generally adopts a synchronous belt transmission mode, wherein the synchronous belt transmission mode is a simple, economical, stable and durable transmission mode, and is the most common and popular transmission mode in the field of traditional FDM3D printers. However, the installation and tightness degree of the synchronous belt greatly influence the work of the machine, the existing device only fixes the synchronous belt in a driven wheel mode, the tightness adjustment of the synchronous belt is extremely complicated, and the synchronous belt is tightened in a mode of pushing a driven block outwards during assembly; the structure is shown in fig. 1, the synchronous belt is arranged on a left main synchronous wheel and an auxiliary synchronous wheel on a right driven block, and the synchronous belt is connected to an extrusion back plate of the printer to move left and right; in addition, the tightness adjusting mode of the synchronous belt is that the driven block is manually pulled to the right side to be installed so as to tighten the synchronous belt, but the adjusting mode needs to disassemble and assemble a plurality of parts, and the operation is complicated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a synchronous belt tensioning mechanism suitable for an FDM3D printer, which can alleviate the problems.
In order to alleviate the above problems, the technical scheme adopted by the utility model is as follows:
the utility model provides a synchronous belt tensioning mechanism suitable for an FDM3D printer, which comprises a synchronous belt tightener, a main synchronous wheel, an auxiliary synchronous wheel positioned on the right side of the main synchronous wheel, and a synchronous belt for driving and connecting the main synchronous wheel and the auxiliary synchronous wheel, wherein the synchronous belt penetrates through a section bar fixed on a printer body; the synchronous belt tightener comprises an outer cover, a sliding rail, a wheel bracket and a manual driving assembly; the outer cover is fixed on the section bar; the sliding rails are fixed in the outer cover and are arranged along the left-right direction; the wheel bracket is connected to the sliding rail in a sliding manner; the auxiliary synchronizing wheel is arranged on the wheel bracket; the manual driving assembly is arranged on the outer cover, a manual operation end of the manual driving assembly extends to the outside of the outer cover, and the wheel support can be driven to move left and right along the sliding rail through the manual driving assembly.
In a preferred embodiment of the utility model, the manual driving assembly comprises a manual bolt, a driving block I and a driving block II;
a left limiting plate is fixed on the slide rail, a right limiting plate positioned on the right side of the left limiting plate is fixed on the wheel support, and a driving groove with variable left and right width is formed between the left limiting plate and the right limiting plate;
the driving block I is fixed with a square nut, the hand-screwed bolt is rotatably connected to the outer cover and axially fixed, the rear end of the hand-screwed bolt is a manual operation end positioned outside the outer cover, the front end of the hand-screwed bolt extends into the outer cover and is in threaded connection with the square nut, and the driving block I can be driven to move up and down by rotating the hand-screwed bolt;
drive block I and drive block II all install in the drive groove can reciprocate, I butt of drive block in the right flank of left side limiting plate, II butts of drive block in the left surface of right side limiting plate, the opposite face of drive block I and drive block II is provided with intermeshing's latch, the latch of drive block I is provided with the inclined plane of the oblique upper right side of orientation, the latch of drive block II is provided with the inclined plane of the oblique lower left side of orientation, the inclined plane of the oblique upper right side of orientation match sliding contact in the inclined plane of the oblique lower left side of orientation.
In a preferred embodiment of the present invention, the lower surface of the latch of the driving block i is a horizontal surface, the upper surface is the inclined surface facing obliquely right and upper, the upper surface of the latch of the driving block ii is a horizontal surface, and the lower surface is the inclined surface facing obliquely left and lower.
In a preferred embodiment of the utility model, a wheel frame movement reserved vacant position with the left and right width of at least 5cm is arranged between the inner right side wall of the outer cover and the wheel bracket.
In a preferred embodiment of the utility model, the cover is detachably fixed to the profile by means of bolts.
In a preferred embodiment of the present invention, the slide rail is detachably fixed to the housing by a countersunk screw.
Compared with the prior art, the utility model has the beneficial effects that: need not to dismantle the dustcoat, only need through being located the outside manually operation end of dustcoat, alright control manual drive subassembly drive wheel support removes along the slide rail, realizes then that the position control about the vice synchronizing wheel has realized the tight regulation of hold-in range promptly, and whole operation process need not the dismouting part, and the operation is very simple.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic diagram of a prior art synchronous belt tensioning mechanism, wherein (a) is a top view and (b) is a front view;
FIG. 2 is a schematic structural diagram of a synchronous belt tensioning mechanism according to the present invention in a front view;
figure 3 is a schematic view in partial section of a synchronous belt tensioner of the present invention;
in the figure: the device comprises a synchronous belt 1, a main synchronous wheel 2, a driven block 3, an auxiliary synchronous wheel 4, an extrusion back plate 5, a hand-screwed bolt 6, a cover 7, a wheel bracket 8, a driving block I9, a driving block II 10, a driving block II 11, a sliding rail 12, a square nut 13, a synchronous belt tightener 14, a section bar 15, a wheel carrier moving reserved vacancy 16, a left limit plate 17, a right limit plate 17 and a driving groove 18.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 2 and 3, the utility model provides a synchronous belt tensioning mechanism suitable for an FDM3D printer, comprising a synchronous belt tightener 13, a main synchronous wheel 2, an auxiliary synchronous wheel 4 positioned at the right side of the main synchronous wheel 2, and a synchronous belt 1 for driving and connecting the main synchronous wheel 2 and the auxiliary synchronous wheel 4, wherein the synchronous belt 1 passes through a section bar 14 fixed on a printer body; the synchronous belt tightener 13 comprises a housing 7, a sliding rail 11, a wheel bracket 8 and a manual driving component; the outer cover 7 is fixed to the profile 14; the slide rail 11 is fixed in the outer cover 7 and arranged along the left-right direction; the wheel bracket 8 is connected with the slide rail 11 in a sliding way; the auxiliary synchronizing wheel 4 is arranged on a wheel bracket 8; the manual driving assembly is arranged on the outer cover 7, the manual operation end of the manual driving assembly extends to the outside of the outer cover 7, and the wheel support 8 can be driven to move left and right along the sliding rail 11 through the manual driving assembly.
In the utility model, the manual driving component can be a thread driving component or a lever buckle driving component, and the form of the manual driving component can be various, as long as the manual driving component is directly operated outside the outer cover 7 under the condition of not dismounting parts, and the driving wheel bracket 8 moves left and right along the slide rail 11.
In an optional embodiment of the utility model, a wheel frame movement reserved vacant position 15 with the left-right width of at least 5cm is arranged between the inner right side wall of the outer cover 7 and the wheel bracket 8.
In general, the wheel carrier movement reservation bit 15 does not need to be too large, because the tightness adjustment amplitude of the synchronous belt 1 is not too large in general.
In an alternative embodiment of the utility model, the cover 7 is removably fixed to the section bar 14 by means of bolts.
In an alternative embodiment of the utility model, the slide 11 is removably fixed to the housing 7 by means of countersunk screws.
In an alternative embodiment of the utility model, the manual drive assembly comprises a hand bolt 6, a drive block I9 and a drive block II 10;
a left limit plate 16 is fixed on the slide rail 11, a right limit plate 17 positioned on the right side of the left limit plate 16 is fixed on the wheel bracket 8, and a driving groove 18 with variable left and right width is formed between the left limit plate 16 and the right limit plate 17;
the driving block I9 is fixed with a square nut 12, the hand-screwed bolt 6 is rotatably connected to the outer cover 7 and axially fixed, the rear end of the hand-screwed bolt is a manual operation end positioned outside the outer cover 7, the front end of the hand-screwed bolt extends into the outer cover 7 and is in threaded connection with the square nut 12, and the driving block I9 can be driven to move up and down by rotating the hand-screwed bolt 6;
drive block I9 and drive block II 10 all install in drive groove 18 and can reciprocate, drive block I9 butt in the right flank of left limiting plate 16, drive block II 10 butt in the left surface of right limiting plate 17, the opposite face of drive block I9 and drive block II 10 is provided with intermeshing's latch, the latch of drive block I9 is provided with the inclined plane towards oblique upper right, the latch of drive block II 10 is provided with the inclined plane towards oblique lower left, the inclined plane towards oblique upper right matches sliding contact in the inclined plane towards oblique lower left.
Adopt the drive wheel support 8 that the manual drive subassembly described in this embodiment can be easily remove about along slide rail 11, easy operation, the concrete principle is as follows:
the hand-screwed bolt 6 is directly rotated in the positive direction outside the outer cover 7, the principle is similar to that of a common screw transmission mechanism, the driving block I9 is driven to move upwards under the action of screw transmission, the driving block II 10 moves upwards on one side and pushes the right limiting plate 17 to move rightwards on the other side under the action of the pushing of a latch inclined plane of the driving block, the wheel bracket 8 fixed with the right limiting plate 17 into a whole also moves rightwards, the auxiliary synchronizing wheel 4 moves rightwards along with the right limiting plate, then the synchronous belt 1 is tensioned, and the tensioning adjustment of the synchronous belt 1 is realized;
the hand-screwed bolt 6 reversely rotates outside the outer cover 7, the principle is similar to that of a common screw transmission mechanism, the driving block I9 is driven to move downwards under the action of thread transmission, a space for the driving block II 10 to move downwards is reserved, the auxiliary synchronizing wheel 4 moves leftwards under the action of tension of the over-tight synchronous belt 1, the wheel support 8 moves leftwards, the right limiting plate 17 fixed with the wheel support 8 into a whole moves leftwards, and the driving block II 10 moves leftwards and downwards.
In an optional embodiment of the utility model, the lower surface of the latch of the driving block I9 is a horizontal plane, the upper surface is an inclined plane facing to the upper right, the upper surface of the latch of the driving block II 10 is a horizontal plane, and the lower surface is an inclined plane facing to the lower left.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A synchronous belt tensioning mechanism suitable for an FDM3D printer comprises a main synchronous wheel, an auxiliary synchronous wheel positioned on the right side of the main synchronous wheel, and a synchronous belt for driving and connecting the main synchronous wheel and the auxiliary synchronous wheel, wherein the synchronous belt penetrates through a section bar fixed on a printer body; the synchronous belt tightener comprises an outer cover, a sliding rail, a wheel bracket and a manual driving assembly; the outer cover is fixed on the section bar; the sliding rails are fixed in the outer cover and are arranged along the left-right direction; the wheel bracket is connected to the sliding rail in a sliding manner; the auxiliary synchronizing wheel is arranged on the wheel bracket; the manual driving assembly is arranged on the outer cover, a manual operation end of the manual driving assembly extends to the outside of the outer cover, and the wheel support can be driven to move left and right along the sliding rail through the manual driving assembly.
2. The synchronous belt tensioning mechanism suitable for an FDM3D printer as claimed in claim 1,
the manual driving assembly comprises a manual screwing bolt, a driving block I and a driving block II;
a left limiting plate is fixed on the slide rail, a right limiting plate positioned on the right side of the left limiting plate is fixed on the wheel support, and a driving groove with variable left and right width is formed between the left limiting plate and the right limiting plate;
the driving block I is fixed with a square nut, the hand-screwed bolt is rotatably connected to the outer cover and axially fixed, the rear end of the hand-screwed bolt is a manual operation end positioned outside the outer cover, the front end of the hand-screwed bolt extends into the outer cover and is in threaded connection with the square nut, and the driving block I can be driven to move up and down by rotating the hand-screwed bolt;
drive block I and drive block II all install in the drive groove can reciprocate, I butt of drive block in the right flank of left side limiting plate, II butts of drive block in the left surface of right side limiting plate, the opposite face of drive block I and drive block II is provided with intermeshing's latch, the latch of drive block I is provided with the inclined plane of the oblique upper right side of orientation, the latch of drive block II is provided with the inclined plane of the oblique lower left side of orientation, the inclined plane of the oblique upper right side of orientation match sliding contact in the inclined plane of the oblique lower left side of orientation.
3. The synchronous belt tensioning mechanism suitable for the FDM3D printer of claim 2 wherein the lower surface of the latch of drive block i is a horizontal surface, the upper surface is the inclined surface facing obliquely upper right, the upper surface of the latch of drive block ii is a horizontal surface, and the lower surface is the inclined surface facing obliquely lower left.
4. The synchronous belt tensioning mechanism suitable for the FDM3D printer according to claim 1, wherein a wheel frame movement reservation vacancy with a left-right width of at least 5cm is arranged between the inner right side wall of the outer cover and the wheel support.
5. The synchronous belt tensioning mechanism for the FDM3D printer of claim 1 wherein the outer cover is removably secured to the profile by bolts.
6. The synchronous belt tensioning mechanism suitable for an FDM3D printer of claim 1 wherein the slide rail is removably secured to the housing by a countersunk screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121754920.4U CN215806095U (en) | 2021-07-30 | 2021-07-30 | Hold-in range straining device suitable for FDM3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121754920.4U CN215806095U (en) | 2021-07-30 | 2021-07-30 | Hold-in range straining device suitable for FDM3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215806095U true CN215806095U (en) | 2022-02-11 |
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ID=80126647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121754920.4U Active CN215806095U (en) | 2021-07-30 | 2021-07-30 | Hold-in range straining device suitable for FDM3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215806095U (en) |
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2021
- 2021-07-30 CN CN202121754920.4U patent/CN215806095U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Lihua Inventor after: Chen Wenlong Inventor after: Wang Enda Inventor after: Peng Po Inventor before: Yang Lihua Inventor before: Chen Wenlong |
|
| CB03 | Change of inventor or designer information |