CN218875056U - Multi-working-shaft transmission mechanism - Google Patents
Multi-working-shaft transmission mechanism Download PDFInfo
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- CN218875056U CN218875056U CN202222541252.8U CN202222541252U CN218875056U CN 218875056 U CN218875056 U CN 218875056U CN 202222541252 U CN202222541252 U CN 202222541252U CN 218875056 U CN218875056 U CN 218875056U
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Abstract
The utility model discloses a multiplex working shaft transmission mechanism, belong to the burnishing device field, including the hollow shaft, final drive shaft, carousel and multiunit rotate the working shaft that sets up on the carousel, the hollow shaft lower extreme is equipped with the fixed pulley, final drive shaft rotates and sets up in the hollow shaft, the carousel is connected with the final drive shaft lower extreme, the key-type is connected with driving pulley on the working shaft, around being equipped with the drive belt on driving pulley and the fixed pulley, rotate through final drive shaft, drive the carousel revolution, driving pulley is under the drive of drive belt, relative carousel rotation, when the carousel drives the working shaft and revolves around the hollow shaft promptly, the synchronous rotation of working shaft, thereby make and to pass through single driving source, it polishes to drive a plurality of bistriques in step, compared in prior art, through synchronous drive multiunit working shaft, very big simplification drive mechanism's overall structure, very big reduction the degree of difficulty and the cost of maintenance.
Description
Technical Field
The utility model relates to a burnishing device field, in particular to multi-working-shaft transmission mechanism.
Background
When large-area plate-shaped materials are ground and polished, a plurality of groups of grinding heads are often arranged to improve the treatment efficiency. At present, a plurality of groups of grinding and polishing grinding heads mostly adopt independent driving units, and the arrangement mode increases the overall cost of equipment, simultaneously makes the overall structure of the equipment more complicated, and is inconvenient for equipment maintenance in the subsequent use process.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides a multi-working-shaft transmission mechanism.
The utility model provides a technical scheme that its technical problem adopted is: a multi-work-shaft transmission comprising:
a hollow shaft;
the main transmission shaft is rotatably arranged in the hollow shaft;
the rotary table is connected with the lower end of the main transmission shaft;
the working shafts are provided with a plurality of groups and are rotatably arranged on the turntable;
the key-type is connected with driving pulley on the working shaft, winds on the lower extreme of hollow shaft and the driving pulley and is equipped with the drive belt, rotates, drives the carousel revolution through final drive shaft, and driving pulley is under the drive of drive belt, relative carousel rotation.
Preferably, the multi-working-shaft transmission mechanism further comprises a tensioning adjusting guide wheel, the tensioning adjusting guide wheel is arranged on the rotating disc in a sliding mode through an adjusting seat, and the tensioning adjusting guide wheel is tightly pressed on the transmission belt.
Preferably, the tensioning adjusting guide wheel is rotatably arranged on the adjusting seat, a tensioning adjusting guide groove is formed in the tensioning adjusting seat along the length direction, and the rotary table is connected with the tensioning adjusting guide groove through a positioning bolt.
Preferably, the lower end of the hollow shaft is provided with a fixed belt wheel, and the transmission belt is wound on the transmission belt wheel and the fixed belt wheel.
Preferably, the plurality of groups of working shafts are arranged on the rotating disc in a rotating mode at intervals along the circumferential direction of the rotating disc, the transmission belt is wound on the plurality of groups of transmission belt wheels from the direction of the outer side of the rotating disc, and the fixed belt wheel and the transmission belt wheels are respectively connected with different belt surfaces of the transmission belt.
Preferably, the belt surface of the tension adjusting guide wheel connected with the transmission belt is the same as the belt surface of the fixed pulley connected with the transmission belt.
Preferably, the area of the fixed belt wheel connected with the transmission belt is not less than one half of the total area of the outer side surface of the fixed belt wheel.
Preferably, the main transmission shaft is sleeved with positioning deep groove ball bearings, the positioning deep groove ball bearings are arranged in the hollow shaft in a sliding mode, and at least two groups of the positioning deep groove ball bearings are arranged at intervals along the axial direction of the main transmission shaft.
Preferably, the rotary table is internally provided with a shaft seat, the working shaft is rotatably connected with the shaft seat through a deep groove ball bearing, the shaft seat is provided with a convex part protruding downwards, and the convex part is internally provided with an accommodating cavity for accommodating the deep groove ball bearing and radially limiting the deep groove ball bearing.
Preferably, the deep groove ball bearings are at least provided with two groups, the deep groove ball bearings are sleeved on the working shaft at intervals, a middle spacer sleeve is arranged between the deep groove ball bearings at intervals, the middle spacer sleeve is sleeved on the working shaft, and two ends of the middle spacer sleeve are only connected with the inner rings or the outer rings of the two groups of deep groove ball bearings.
The utility model has the advantages that: compared with the prior art, the transmission mechanism has the advantages that the overall structure of the transmission mechanism is greatly simplified by synchronously driving the multiple groups of working shafts, only the abrasion conditions of the main transmission shaft and the working shafts need to be checked regularly in later use, the tension degree and the abrasion degree of the transmission belt are increased, the damaged component is replaced very conveniently, and the difficulty and the cost of maintenance are greatly reduced.
Drawings
Fig. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
fig. 3 is a top view of a first embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a first embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of the working shaft and the shaft seat according to the embodiment of the present invention;
fig. 6 is a top view of a second embodiment of the present invention;
fig. 7 is a perspective view of a hollow mandrel according to an embodiment of the present invention.
In the figure, 10, a hollow shaft; 11. a fixed belt wheel; 12. an annular recessed locating slot; 20. a main drive shaft; 21. positioning a deep groove ball bearing; 30. a turntable; 31. a shaft seat; 32. a convex portion; 33. an accommodating cavity; 34. a middle spacer sleeve; 40. a working shaft; 41. a drive pulley; 50. a transmission belt; 61. tensioning and adjusting guide wheels; 62. an adjusting seat; 63. a tension adjusting guide groove; 64. and (6) positioning the bolt.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example one
As shown in fig. 1-5, the present invention provides a multi-working-shaft transmission mechanism, which comprises:
the lower end of the hollow shaft 10 is provided with a fixed belt wheel 11;
a main transmission shaft 20 rotatably disposed in the hollow shaft 10;
a turntable 30 connected to the lower end of the main transmission shaft 20;
a plurality of groups of working shafts 40 are arranged and rotatably arranged on the turntable 30;
the upper end key of the working shaft 40 is connected with a transmission belt wheel 41, a transmission belt 50 is wound on the transmission belt wheel 41 and the fixed belt wheel 11, the main transmission shaft 20 rotates to drive the turntable 30 to revolve, and the transmission belt wheel 41 is driven by the transmission belt 50 to rotate relative to the turntable 30.
Specifically, drive carousel 30 through final drive shaft 20 and rotate, make work spindle 40 revolve round relative hollow shaft 10, it is synchronous, because drive belt 50 is synchronous around establishing on fixed band pulley 11 and driving band pulley 41, under the circumstances that fixed band pulley 11 does not rotate, drive belt 50 drives work spindle 40 and carries out the rotation relative carousel 30, namely under operating condition, when carousel 30 drives work spindle 40 and revolves round hollow shaft 10, through the drive of drive belt 50, work spindle 40 rotates in step, thereby make and to pass through a single driving source, it polishes to drive a plurality of bistriques in step, compare in prior art, through synchronous drive multiunit work spindle 40, the very big overall structure who has simplified drive mechanism, in the later stage use, only need regular inspection final drive shaft 20 and the wearing and tearing condition of work spindle 40, and drive belt 50 rate of tension and degree of wear, it is also very convenient to change the damage component, very big degree of difficulty and the cost of overhauing and maintaining has been reduced.
Further, many working shafts drive mechanism still includes the tensioning adjustment guide pulley 61 that is used for adjusting the drive belt 50 rate of tension, tensioning adjustment guide pulley 61 passes through adjustment seat 62 and slides and sets up on carousel 30, tensioning adjustment guide pulley 61 compresses tightly on drive belt 50, wherein, tensioning adjustment guide pulley 61 rotates and sets up on adjustment seat 62, tensioning adjustment seat 62 is last to be equipped with tensioning adjustment guide slot 63 along length direction, carousel 30 is connected with tensioning adjustment guide slot 63 through two sets of positioning bolt 64, when needing to adjust drive belt 50 rate of tension, only need loosen two sets of positioning bolt 64, through the direction of tensioning adjustment guide slot 63, promote adjustment seat 62 and slide, make tensioning adjustment guide pulley 61 further compress tightly on drive belt 50 can, through loosening tensioning adjustment guide pulley 61, can be when needs dismouting working shaft 40 or change drive belt 50, quick unloading drive belt 50.
Further, a plurality of groups of working shafts 40 are arranged on the rotating disc 30 in a rotating mode at intervals along the circumferential direction of the rotating disc 30, the transmission belt 50 is wound on a plurality of groups of transmission belt wheels 41 from the direction of the outer side of the rotating disc 30, the fixed belt wheel 11 and the transmission belt wheel 41 are respectively connected with different belt surfaces of the transmission belt 50, the belt surfaces of the tension adjusting guide wheel 61 connected with the transmission belt 50 are the same as the belt surfaces of the fixed belt wheel 11 connected with the transmission belt 50, by adopting the arrangement, the transmission belt 50 can be wound on the fixed belt wheel 11 in an anti-bow mode, and further, in a tension state, the transmission belt 50 can be tightly attached to the fixed belt wheel 11, so that the friction force between the fixed belt wheel and the transmission belt is increased, wherein in order to further increase the direct friction force between the transmission belt 50 and the fixed belt wheel 11, the area of the fixed belt wheel 11 connected with the transmission belt 50 is not less than one half of the total area of the outer side surface of the fixed belt wheel 11.
Further, in order to ensure the transmission stability of the main transmission shaft 20 and avoid interference between the main transmission shaft 20 and the hollow shaft 10, the main transmission shaft 20 is sleeved with positioning deep groove ball bearings 21, the positioning deep groove ball bearings 21 are slidably arranged in the hollow shaft 10, and at least two groups of the positioning deep groove ball bearings 21 are axially arranged along the main transmission shaft 20 at intervals.
Further, because the working shaft 40 can keep being subjected to transverse pressure in the rotating process, in order to avoid the influence of the transverse pressure on the working shaft 40, the shaft seat 31 is arranged in the turntable 30, the working shaft 40 is rotatably connected with the shaft seat 31 through the deep groove ball bearings, the shaft seat 31 is provided with the convex part 32 protruding downwards, the convex part 32 is internally provided with the accommodating cavity 33 used for accommodating the deep groove ball bearings and forming radial limit for the deep groove ball bearings, at least two groups of deep groove ball bearings are arranged, the deep groove ball bearings are sleeved on the working shaft 40 at intervals, the middle spacer sleeves 34 are arranged among the deep groove ball bearings at intervals, the middle spacer sleeves 34 are sleeved on the working shaft 40, and two ends of the middle spacer sleeves 34 are only connected with the inner rings or the outer rings of the two groups of deep groove ball bearings, so that the rotating stability of the working shaft 40 is improved through the multiple groups of deep groove ball bearings and the matching of the middle spacer sleeves 34.
Example two
As shown in fig. 6-7, the difference between the present embodiment and the above embodiments is that the transmission belt 50 is wound around the lower end of the hollow shaft 10 and the transmission belt wheel 41, specifically, when the main transmission shaft 20 drives the rotary table 30 to rotate and the working shaft 40 revolves relative to the hollow shaft 10, because the transmission belt 50 is synchronously wound around the lower end of the hollow shaft 10 and the transmission belt wheel 41, under the condition that the hollow shaft 10 does not rotate, the transmission belt 50 drives the working shaft 40 to rotate relative to the rotary table 30, that is, the same, under the working condition, when the rotary table 30 drives the working shaft 40 to revolve around the hollow shaft 10, the working shaft 40 synchronously rotates by the driving of the transmission belt 50, and further, the grinding and polishing can be performed by synchronously driving a plurality of grinding heads through a single driving source.
Wherein, in order to realize the location of drive belt 50, can set up annular indent constant head tank 12 on hollow shaft 10 lower extreme, when installation drive belt 50, with drive belt 50 around establishing in driving pulley 41 and annular indent constant head tank 12, in order to increase the frictional force between annular indent constant head tank 12 and drive belt 50, can set up the knurling pattern in the annular indent constant head tank.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (10)
1. A multi-work-axis transmission, comprising:
a hollow shaft (10);
a main transmission shaft (20) rotatably arranged in the hollow shaft (10);
a rotary table (30) connected with the lower end of the main transmission shaft (20);
the working shafts (40) are provided with a plurality of groups and are rotatably arranged on the turntable (30);
the upper end key of the working shaft (40) is connected with a transmission belt wheel (41), a transmission belt (50) is wound on the lower end of the hollow shaft (10) and the transmission belt wheel (41), the rotary table (30) is driven to revolve by the rotation of the main transmission shaft (20), and the transmission belt wheel (41) rotates relative to the rotary table (30) under the driving of the transmission belt (50).
2. Multiple-work-shaft transmission according to claim 1, further comprising a tension-adjusting guide wheel (61), wherein the tension-adjusting guide wheel (61) is slidably arranged on the turntable (30) through an adjusting seat (62), and the tension-adjusting guide wheel (61) is pressed on the transmission belt (50).
3. The multi-working-shaft transmission mechanism as claimed in claim 2, wherein the tension adjusting guide wheel (61) is rotatably arranged on the adjusting seat (62), a tension adjusting guide groove (63) is formed in the tension adjusting seat (62) along the length direction, and the rotary plate (30) is connected with the tension adjusting guide groove (63) through a positioning bolt (64).
4. Multiple-working-shaft transmission according to claim 2, wherein the hollow shaft (10) is provided at its lower end with a fixed pulley (11), and the transmission belt (50) is wound around the transmission pulley (41) and the fixed pulley (11).
5. The multi-working-shaft transmission mechanism according to claim 4, wherein a plurality of groups of working shafts (40) are arranged on the rotary table (30) in a circumferentially spaced manner around the rotary table (30), the transmission belt (50) is wound around a plurality of groups of transmission belt wheels (41) from the direction outside the rotary table (30), and the fixed belt wheel (11) and the transmission belt wheels (41) are respectively connected with different belt surfaces of the transmission belt (50).
6. Multi-working-shaft transmission mechanism according to claim 5, wherein the belt surface of the tension adjusting guide wheel (61) connected with the transmission belt (50) is the same as the belt surface of the fixed belt wheel (11) connected with the transmission belt (50).
7. The multi-working-shaft transmission mechanism according to claim 5, wherein the area of the connection between the fixed pulley (11) and the transmission belt (50) is not less than half of the total area of the outer side surface of the fixed pulley (11).
8. The multi-working-shaft transmission mechanism according to claim 1, wherein the main transmission shaft (20) is sleeved with positioning deep groove ball bearings (21), the positioning deep groove ball bearings (21) are slidably arranged in the hollow shaft (10), and at least two groups of the positioning deep groove ball bearings (21) are axially arranged along the main transmission shaft (20) at intervals.
9. Multi-working-shaft transmission according to claim 1, wherein the rotary plate (30) is provided with a shaft seat (31), the working shaft (40) is rotatably connected to the shaft seat (31) through a deep groove ball bearing, the shaft seat (31) is provided with a protrusion (32) protruding downwards, and the protrusion (32) is provided with a receiving cavity (33) for receiving and radially limiting the deep groove ball bearing.
10. The transmission mechanism with multiple working shafts as claimed in claim 9, wherein there are at least two groups of deep groove ball bearings, and the deep groove ball bearings are arranged on the working shaft (40) at intervals, and there are intermediate spacer sleeves (34) between the deep groove ball bearings at intervals, the intermediate spacer sleeves (34) are arranged on the working shaft (40), and both ends of the intermediate spacer sleeves (34) are only connected with the inner rings or the outer rings of the two groups of deep groove ball bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222541252.8U CN218875056U (en) | 2022-09-26 | 2022-09-26 | Multi-working-shaft transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222541252.8U CN218875056U (en) | 2022-09-26 | 2022-09-26 | Multi-working-shaft transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218875056U true CN218875056U (en) | 2023-04-18 |
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ID=85953440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222541252.8U Active CN218875056U (en) | 2022-09-26 | 2022-09-26 | Multi-working-shaft transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218875056U (en) |
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2022
- 2022-09-26 CN CN202222541252.8U patent/CN218875056U/en active Active
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