CN112124880A

CN112124880A - Synchronous belt driving mechanism for annular guide rail

Info

Publication number: CN112124880A
Application number: CN202011039874.XA
Authority: CN
Inventors: 孙雅华
Original assignee: Suzhou Shinetek Grinding Technology Co ltd
Current assignee: Suzhou Shinetek Grinding Technology Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2020-12-25

Abstract

A synchronous belt driving mechanism for an annular guide rail comprises a frame of the annular guide rail, and a plurality of traveling devices, wherein the outer edge of the frame of the annular guide rail extends along the circumferential direction, the traveling devices are arranged on the annular guide rail in a sliding manner, each traveling device comprises a traveling frame arranged on the annular guide rail in a sliding manner, a traveling power mechanism used for driving the traveling frame to move along the annular guide rail is arranged between the frame and the traveling frame, and the traveling power mechanism comprises at least two traveling belt wheels, inner teeth and traveling transmission belts, the axial lines of the traveling power mechanisms extend along the vertical direction, and the traveling transmission belts are matched with the at; the invention provides a novel synchronous belt driving mechanism for an annular guide rail, wherein the novel synchronous belt driving mechanism is characterized in that a walking working belt is driven to move by a walking belt wheel, all walking devices are synchronously driven to move annularly, and the novel synchronous belt driving mechanism is simple in structure, stable in walking and convenient to control.

Description

Synchronous belt driving mechanism for annular guide rail

Technical Field

The invention belongs to the field of metal processing equipment, and particularly relates to a synchronous belt driving mechanism for an annular guide rail.

Background

The synchronous belt driving structure adopts synchronous belt transmission, the traditional remote transmission mostly adopts V belt transmission or chain transmission, but the elastic sliding of the V belt transmission and the noise and the tremble vibration in the chain transmission greatly influence the performance of mechanical equipment, so the synchronous belt transmission is widely used in high-speed equipment, numerical control machine tools, robot industries, automobile industries and light textile industries.

In the prior art, for example, patent publication No. CN206189053U discloses a double synchronous belt driving structure of a numerical control sewing center, which comprises a frame, a motor driving assembly, a left synchronous belt assembly and a right synchronous belt assembly; the motor driving assembly comprises a motor, a motor support for supporting the motor, a driving synchronous wheel fixedly connected with a motor spindle, a speed reduction synchronous wheel, a driving synchronous belt, a driving shaft fixedly connected with the speed reduction synchronous wheel spindle, a left bearing seat arranged on the left side of the driving shaft and used for supporting the driving shaft, and a right bearing seat arranged on the right side of the driving shaft and used for supporting the driving shaft; the driving synchronous wheel drives the speed-reducing synchronous wheel to rotate through the driving synchronous belt.

Disclosure of Invention

The invention aims to solve the technical problem and particularly relates to a synchronous belt driving mechanism for an annular guide rail.

In order to solve the technical problems, the invention adopts the technical scheme that: a synchronous belt driving mechanism for an annular guide rail comprises a frame of the annular guide rail, and a plurality of traveling devices, wherein the outer edge of the frame of the annular guide rail extends along the circumferential direction, the traveling devices are arranged on the annular guide rail in a sliding manner, each traveling device comprises a traveling frame arranged on the annular guide rail in a sliding manner, a traveling power mechanism used for driving the traveling frame to move along the annular guide rail is arranged between the frame and the traveling frame, and the traveling power mechanism comprises at least two traveling belt wheels, inner teeth and traveling transmission belts, the axial lines of the traveling power mechanisms extend along the vertical direction, and the traveling transmission belts are matched with the at; the walking frame comprises walking bodies, and the positions of the walking bodies are relatively fixedly arranged on the walking transmission belt.

In some embodiments, the walking body is provided with a toothed plate having walking fit flat teeth, and the walking fit flat teeth are matched with the outer teeth of the walking transmission belt.

In some embodiments, the traveling power mechanism further includes a traveling power device fixed to the frame, and a traveling power sprocket fixed to an output shaft of the traveling power device, at least two driven shafts extending along a vertical direction are rotatably provided on the frame, a corresponding traveling pulley is fixed to one of the at least two driven shafts, a traveling driven sprocket is further fixed to the driven shaft, the traveling driven sprocket is connected to the traveling power sprocket through a traveling chain, and the other driven shafts of the at least two driven shafts are rotatably connected to the other corresponding traveling pulleys through bearings.

In some embodiments, an actuating shaft with a vertically extending center line as a rotating shaft center line is rotatably connected to the walking frame, and an actuating power mechanism for driving the actuating shaft to rotate is arranged between the frame and the actuating shaft.

In some embodiments, the actuating power mechanism includes at least two actuating pulleys and an actuating transmission belt, the axis of the actuating power mechanism extends along the vertical direction and is rotatably disposed on the frame, the inner teeth of the actuating transmission belt are matched with the at least two actuating pulleys, an actuating matching gear is fixed on the actuating shaft, and the actuating matching gear is matched with the outer teeth of the actuating transmission belt.

In some embodiments, the actuating power mechanism further includes an actuating power device fixed to the frame, and an actuating power sprocket fixed to an output shaft of the actuating power device, wherein one of the at least two driven shafts is fixed with a corresponding actuating pulley, and the driven shaft is further fixed with an actuating driven sprocket, the actuating driven sprocket and the actuating power sprocket are connected by an actuating chain, and the other driven shaft of the at least two driven shafts is rotatably connected with the other actuating pulleys by bearings.

In some embodiments, all the traveling belt pulleys and all the actuating belt pulleys are respectively disposed on the corresponding driven shafts in a one-to-one correspondence, and all the actuating belt pulleys are located above or below all the traveling belt pulleys.

In some embodiments, the frame includes a upper ring rail protruding upward from the upper portion, a lower ring rail protruding downward from the lower portion, the upper ring rail and the lower ring rail are symmetrically disposed up and down, the walking frame further includes a walking upper seat located on the upper portion of the walking body, and a walking lower seat located on the lower portion of the walking body, the upper ring rail and the lower ring rail are located between the walking upper seat and the walking lower seat, an upper roller with a shaft axis parallel to the horizontal plane is fixed on the walking upper seat, an upper outer bearing and an upper inner bearing with a shaft axis perpendicular to the horizontal plane and located on two sides of the upper roller are fixed on the lower surface of the walking upper seat, the upper outer bearing, the upper inner bearing and the upper roller are respectively abutted against the outer side wall, the inner side wall and the top wall of the upper ring rail, and a lower roller with a shaft axis parallel to the horizontal plane is fixed on the walking lower seat, the upper surface of the upper walking seat is fixed with a lower outer bearing and a lower inner bearing, the axial leads of the lower outer bearing and the lower inner bearing are perpendicular to the horizontal plane and located on two sides of the lower roller respectively, and the lower outer bearing, the lower inner bearing and the lower roller are respectively abutted to the outer side wall, the inner side wall and the top wall of the lower circular rail.

In some embodiments, the upper walking seat is provided with an upper roller groove penetrating up and down and located above the upper ring rail, the lower walking seat is provided with a lower roller groove penetrating up and down and located below the lower ring rail, the upper roller is located in the upper roller groove, and the lower roller is located in the lower roller groove.

In some embodiments, the diameter of the upper outer bearing is greater than the diameter of the upper inner bearing and the diameter of the lower outer bearing is greater than the diameter of the lower inner bearing.

The scope of the present invention is not limited to the specific combinations of the above-described features, and other embodiments in which the above-described features or their equivalents are arbitrarily combined are also intended to be encompassed. For example, the above features and the technical features (but not limited to) having similar functions disclosed in the present application are mutually replaced to form the technical solution.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the invention provides a novel synchronous belt driving mechanism for an annular guide rail, which drives a walking working belt to move through a walking belt wheel, synchronously drives all walking devices to move annularly, and has the advantages of simple structure, stable walking and convenient control.

Drawings

FIG. 1 is a front view of a synchronous belt driving mechanism of an annular guide rail;

FIG. 2 is a perspective view of a synchronous belt driving mechanism of an annular guide rail;

FIG. 3 is a top view of a synchronous belt driving mechanism of an annular guide rail;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a cross-sectional view taken along line C-C of FIG. 4;

FIG. 6 is a cross-sectional view taken along line D-D of FIG. 3;

FIG. 7 is a side view of a timing belt drive mechanism for an endless track;

wherein, the device comprises a frame 1, an annular guide rail 11, an upper annular rail 11a, a lower annular rail 11b, a driven shaft 12; 2. 21, a walking frame 211, a walking upper seat; 211a, an upper roller; 211b, an upper outer bearing; 211c, an upper inner bearing; 212. 212a, a lower roller; 212b, a lower outer bearing; 212c, a lower inner bearing; 213. a traveling body; 213a, toothed plate; 22. 3, an execution shaft, a walking power mechanism, 31, a walking belt wheel; 32. a traveling transmission belt; 33. a walking power device; 34. a walking power sprocket; 35. a walking driven sprocket; 36. a traveling chain; 4. 41, an execution power mechanism; 42. executing a transmission belt; 43. an execution power device; 44. an actuation power sprocket; 45. an execution driven sprocket; 46. an execution chain; 5. and a polishing assembly.

Detailed Description

As shown in the figures, the endless track synchronous belt driving mechanism comprises a frame 1 of an endless track 11 with an outer edge extending along the circumferential direction, and a plurality of traveling devices 2 arranged on the endless track 11 in a sliding manner, wherein each traveling device 2 comprises a traveling frame 21 arranged on the endless track 11 in a sliding manner, a traveling power mechanism 3 for driving the traveling frame 21 to move along the endless track 11 is arranged between the frame 1 and the traveling frame 21, and the traveling power mechanism 3 comprises two traveling belt wheels 31 with axial leads extending along the vertical direction, and a traveling transmission belt 32 with inner teeth matched with the two traveling belt wheels 31; the walking frame 21 includes walking bodies 213, each walking body 213 is relatively fixedly disposed on the walking belt 32, a toothed plate 213a having walking-fit flat teeth is disposed on the walking body 213, and the walking-fit flat teeth are fitted with the external teeth of the walking belt 32, so that each walking device 2 is fixedly disposed on the walking belt 32.

In this embodiment, as shown in the figures, the traveling power mechanism 3 further includes a traveling power device 33 fixed on the frame 1 and powered by the revolving motor, and a traveling power sprocket 34 fixed on the output shaft of the revolving motor, two driven shafts 12 with axes extending along the vertical direction are rotatably provided on the frame 1, a corresponding traveling pulley 31 is fixed on one of the two driven shafts 12, a traveling driven sprocket 35 is further fixed on the driven shaft 12, the traveling driven sprocket 35 is connected with the traveling power sprocket 34 by a traveling chain 36, the other driven shaft 12 of the two driven shafts 12 is rotatably connected with the other corresponding traveling pulley 31 by a bearing, so that when the revolving motor works, the traveling power sprocket 34 connected with the output end of the revolving motor is driven to rotate, the traveling driven sprocket 35 is driven to rotate by the traveling chain 36, and the entire traveling transmission belt 32 is driven to rotate, at this time, fifteen traveling frames 21 fixedly installed on the traveling belt 32 start to revolve along with the traveling belt 32.

In this embodiment, as shown in fig. 4, first, an execution shaft 22 having a vertically extending center line as a rotation axis is rotatably connected to the traveling frame 21, an execution power mechanism 4 for driving the execution shaft 22 to rotate is disposed between the frame 1 and the execution shaft 22, the execution power mechanism 4 includes two execution belt wheels 41 having an axis line extending in a vertical direction and rotatably disposed on the frame 1, an execution transmission belt 42 having an inner tooth matched with the two execution belt wheels 41, an execution matching gear is fixed on the execution shaft 22, and the execution matching gear is matched with the outer tooth of the execution transmission belt 42, such that the execution transmission belt 42 drives the execution matching gear to further drive the execution shaft 22 to rotate.

The actuating power mechanism 4 further includes an actuating power device 43 fixed to the frame 1 and powered by the rotation motor, an actuating power sprocket 44 fixed to an output shaft of the rotation motor, a corresponding actuating pulley 41 fixed to one of the two driven shafts 12, an actuating driven sprocket 45 fixed to the driven shaft 12, the actuating driven sprocket 45 and the actuating power sprocket 44 connected by an actuating chain 46, and the other driven shaft 12 of the two driven shafts 12 is rotatably connected to the other actuating pulley 41 through a bearing.

Finally, as shown in fig. 1 and 2, two traveling pulleys 31 and two actuating pulleys 41 are respectively disposed on the corresponding driven shafts 12 in a one-to-one correspondence, and all the actuating pulleys 41 are located above all the traveling pulleys, so that the actuating belts 42 and the traveling belts 32 can rotate the actuating shafts 22 on the traveling devices 2 synchronously while the plurality of traveling devices 2 revolve around the traveling belts 32 when the revolving motors and the rotating motors start to operate.

In this embodiment, as shown in fig. 2, the frame 1 includes a circle of upper ring rail 11a protruding upward from the upper portion, a circle of lower ring rail 11b protruding downward from the lower portion, the upper ring rail 11a and the lower ring rail 11b are symmetrically disposed up and down, the walking frame 21 further includes a walking upper seat 211 disposed on the upper portion of the walking body 213, a walking lower seat 212 disposed on the lower portion of the walking body 213, the upper ring rail 11a and the lower ring rail 11b are disposed between the walking upper seat 211 and the walking lower seat 212, an upper roller 211a having an axis parallel to the horizontal plane is fixed on the walking upper seat 211, an upper outer bearing 211b and an upper inner bearing 211c having axes perpendicular to the horizontal plane and disposed on both sides of the upper roller 211a are fixed on the lower surface of the walking upper seat 211, the upper outer bearing 211b, the upper inner bearing 211c and the upper roller 211a respectively abut against the outer side wall, the inner side wall and the inner side wall of the upper ring rail 11a, a lower roller 212a having an axis parallel to the horizontal plane, the upper surface of the upper walking seat 211 is fixed with a lower outer bearing 212b and a lower inner bearing 212c, the axes of which are perpendicular to the horizontal plane and located on two sides of the lower roller 212a, the lower outer bearing 212b, the lower inner bearing 212c and the lower roller 212a are respectively abutted against the outer side wall, the inner side wall and the top wall of the lower circular rail 11b, the diameters of all the upper outer bearings 211b are larger than the diameter of the upper inner bearing 211c, the diameter of the lower outer bearing 212b is larger than the diameter of the lower inner bearing 212c, and when the upper walking seat 21 is used for the circular sliding of the lower circular rail 11b, the friction is reduced through the form that the lower outer bearing 212b, the lower inner bearing 212c and the lower roller 212a roll on the lower circular rail 11b, so that the excessive abrasion is avoided.

In the present embodiment, as shown in fig. 1, 2 and 3, the upper traveling base 211 is provided with an upper roller groove penetrating up and down and located above the upper ring rail 11a, the lower traveling base 212 is provided with a lower roller groove penetrating up and down and located below the lower ring rail 11b, the upper roller 211a is located in the upper roller groove, and the lower roller 212a is located in the lower roller groove.

In addition, the actuating sprocket, the actuating driven sprocket 45 and the actuating chain 46 of the actuating power mechanism 44 can be replaced by a V-belt pulley, a driven V-belt pulley and a V-belt, that is, a structure that can realize the transmission function of the motor is within the protection scope of the present invention, and the details of the traveling power mechanism 3 are omitted.

In the embodiment, as shown in the figures, when the circular guide rail synchronous belt driving mechanism is applied to a polishing machine, the polishing assembly 5 is arranged on the execution shaft 22, and the walking frame 21 is driven by the walking power mechanism 3 and the execution power mechanism 4 to perform polishing operation, so that the structure is simple and the installation is convenient; the walking frame 21 is driven by the walking power mechanism 3 to rotate synchronously while being driven by the execution power mechanism 4 to rotate, so that the execution shaft 22 rotates to drive the polishing component 5 to work, workpieces are polished synchronously and uniformly, and the polishing effect is better.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an annular guide hold-in range actuating mechanism, includes frame (1), the slip of the annular guide (11) that the outer fringe extends along circumference set up in a plurality of running gear (2) on annular guide (11), its characterized in that: each walking device (2) comprises a walking frame (21) which is arranged on the annular guide rail (11) in a sliding mode, a walking power mechanism (3) which is used for driving the walking frame (21) to move along the annular guide rail (11) is arranged between the rack (1) and the walking frame (21), the walking power mechanism (3) comprises at least two walking belt wheels (31) with axial leads extending along the vertical direction, and a walking transmission belt (32) with internal teeth matched with the at least two walking belt wheels (31); the walking frame (21) comprises walking bodies (213), and the positions of the walking bodies (213) are relatively and fixedly arranged on the walking transmission belt (32).

2. The endless track synchronous belt drive mechanism of claim 1, further comprising: a toothed plate (213 a) with walking matching flat teeth is arranged on the walking body (213), and the walking matching flat teeth are matched with the outer teeth of the walking transmission belt (32).

3. The endless track timing belt drive mechanism of claim 2, further comprising: the walking power mechanism (3) further comprises a walking power device (33) fixed on the rack (1) and a walking power chain wheel (34) fixed on an output shaft of the walking power device (33), at least two driven shafts (12) with shaft axes extending along the vertical direction are rotatably arranged on the rack (1), one of the driven shafts (12) is correspondingly fixed with the walking belt wheel (31), a walking driven chain wheel (35) is further fixedly arranged on the driven shaft (12), the walking driven chain wheel (35) is connected with the walking power chain wheel (34) through a walking chain (36), and at least two other driven shafts (12) in the driven shafts (12) are rotatably connected with other corresponding walking belt wheels (31) through bearings.

4. The endless track timing belt drive mechanism of claim 3, wherein: an execution shaft (22) taking a vertically extending central line as a rotation shaft axis is rotatably connected to the walking frame (21), and an execution power mechanism (4) used for driving the execution shaft (22) to rotate is arranged between the frame (1) and the execution shaft (22).

5. The endless track timing belt drive mechanism of claim 4, wherein: the actuating power mechanism (4) comprises at least two actuating belt wheels (41), internal teeth and at least two actuating driving belts (42) which are arranged on the rack (1) in a manner of extending and rotating along the vertical direction, actuating matching gears are fixed on the actuating shafts (22), and the actuating matching gears are matched with the external teeth of the actuating driving belts (42).

6. The endless track timing belt drive mechanism of claim 5, wherein: the executing power mechanism (4) further comprises an executing power device (43) fixed on the rack (1) and an executing power chain wheel (44) fixed on an output shaft of the executing power device (43), one of the at least two driven shafts (12) is fixed with the corresponding executing belt wheel (41), the driven shaft (12) is further fixed with an executing driven chain wheel (45), the executing driven chain wheel (45) is connected with the executing power chain wheel (44) through an executing chain (46), and the other driven shaft (12) of the at least two driven shafts (12) is rotatably connected with the other executing belt wheel (41) through a bearing.

7. The endless track timing belt drive mechanism of claim 6, wherein: all the walking belt wheels (31) and all the execution belt wheels (41) are respectively arranged on the corresponding driven shafts (12) in a one-to-one correspondence mode, and all the execution belt wheels (41) are located above or below all the travelling belt wheels.

8. An endless guide synchronous belt drive mechanism as claimed in any one of claims 1 to 7, wherein: the frame (1) comprises a circle of upper ring rail (11 a) with an upward convex upper part and a circle of lower ring rail (11 b) with a downward convex lower part, the upper ring rail (11 a) and the lower ring rail (11 b) are symmetrically arranged from top to bottom, the walking frame (21) further comprises a walking upper seat (211) with an upper part located on the walking body (213) and a walking lower seat (212) with a lower part located on the walking body (213), the upper ring rail (11 a) and the lower ring rail (11 b) are located between the walking upper seat (211) and the walking lower seat (212), an upper roller (211 a) with an axial lead parallel to the horizontal plane is fixed on the walking upper seat (211), an upper outer bearing (211 b) and an upper inner bearing (211 c) with axial leads perpendicular to the horizontal plane and located on two sides of the upper roller (211 a) are fixed on the lower surface of the walking upper seat (211), go up outer bearing (211 b), go up inner bearing (211 c) and go up gyro wheel (211 a) and support respectively on the lateral wall, inside wall and the roof of last circular rail (11 a), be fixed with lower gyro wheel (212 a) that the axial lead is on a parallel with the horizontal plane on walking lower seat (212), the last fixed surface of walking upper seat (211) has the axial lead and is perpendicular to the horizontal plane respectively and is located lower outer bearing (212 b) and lower inner bearing (212 c) of gyro wheel (212 a) both sides down, outer bearing (212 b) down inner bearing (212 c) with lower gyro wheel (212 a) support respectively on the lateral wall, inside wall and the roof of lower circular rail (11 b).

9. The endless track timing belt drive mechanism of claim 8, wherein: an upper roller groove which penetrates through the upper and lower portions of the upper walking seat (211) and is located above the upper ring rail (11 a), a lower roller groove which penetrates through the lower walking seat (212) and is located below the lower ring rail (11 b), the upper roller (211 a) is located in the upper roller groove, and the lower roller (212 a) is located in the lower roller groove.

10. The endless track timing belt drive mechanism of claim 8, wherein: the diameter of the upper outer bearing (211 b) is larger than the diameter of the upper inner bearing (211 c), and the diameter of the lower outer bearing (212 b) is larger than the diameter of the lower inner bearing (212 c).