CN212804139U - Damping mechanism with transmission device - Google Patents

Abstract

The utility model relates to a take drive arrangement's damper, including fixed cover in proper order establish the plane bearing outside the pivot and ball bearing and be used for installing plane bearing's mount pad, plane bearing is equipped with two, is located synchronous pulley's both sides respectively and supports tight synchronous pulley, ball bearing is equipped with two equally, is located two plane bearings respectively and keeps away from synchronous pulley one side and its lateral wall fixed connection in mount pad. This application has the absorbing effect of transmission.

Description

Damping mechanism with transmission device

Technical Field

The application relates to the field of belt drives, in particular to a damping mechanism of a belt drive.

Background

The synchronous belt and the synchronous belt wheel are mainly used for the occasions of transmitting power in a long distance, such as the output of small diesel engine power, machining equipment, textile machinery, packaging machinery, the transmission of small horsepower motorcycle power, the transmission of agricultural machinery power and the like.

In the related art, a belt transmission device is also generally used for synchronous transmission of two rotating shaft parts, and the belt transmission device includes a driving rotating shaft, a driven rotating shaft, two synchronous pulleys respectively fixedly arranged outside the driving rotating shaft and the driven rotating shaft, a synchronous belt sleeved outside the two synchronous pulleys in a tensioning manner, and a driving motor for driving one of the synchronous pulleys to rotate. The driving motor is started, the synchronous belt pulley connected with the driving motor rotates to drive the synchronous belt in the outer side to drive the other synchronous belt pulley to rotate synchronously and in the same direction, and the purpose of synchronous rotation of the two rotating shafts is achieved.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that loosening of pins for fixing the synchronous pulley and the like causes the synchronous pulley to shake and increases wear of equipment in the process of high-speed rotation of the synchronous pulley.

Disclosure of Invention

In order to reduce the vibration of the transmission, the application provides a damping mechanism with the transmission.

The application provides a take drive's damper adopts following technical scheme:

the utility model provides a damping mechanism with transmission, includes that fixed cover establishes the plane bearing and the ball bearing outside the pivot in proper order and is used for installing the mount pad of plane bearing, plane bearing is equipped with two, is located synchronous pulley's both sides respectively and supports tight synchronous pulley, ball bearing is equipped with two equally, is located two plane bearings respectively and keeps away from synchronous pulley one side and its lateral wall fixed connection in mount pad.

Through adopting above-mentioned technical scheme, the pivot rotates at a high speed, probably has slight radial shake during the use, and the pivot passes through ball bearing and is connected with the mount pad, when guaranteeing its rotation smoothness degree, provides radial spacing for the pivot, reduces the degree of its shake. In addition, plane bearings are installed at two ends of the synchronous belt wheel, and the synchronous belt wheel is tightly propped by the two plane bearings. When the synchronous pulley shakes axially, the synchronous pulley impacts the plane bearing, the plane bearing can bear larger axial force, and the impact resistance and the vibration absorption effect are better.

Preferably, the mount pad includes the mounting panel, is the interior plate and the outer panel of U-shaped fixed mounting on the mounting panel, interior plate and outer panel opening all face the hold-in range, the mounting groove that supplies the pivot to wear to establish is seted up along vertical direction to interior plate and outer panel upper end, ball bearing outer wall fixed connection is in the mounting groove inner wall.

Through adopting above-mentioned technical scheme, the hold-in range of being convenient for install of interior plate and outer panel opening part, ball bearing inlay to establish and fix in the mounting groove, and during the radial shake of pivot, the mounting groove provides spacingly, reaches absorbing effect.

Preferably, one end of the plane bearing, which is far away from the synchronous pulley, abuts against the inner side wall of the inner side plate.

By adopting the technical scheme, one end of the plane bearing tightly supports the synchronous belt pulley, the other end tightly supports the inner side plate side wall, one end of the plane bearing is static relative to the inner side plate, the other end rotates along with the synchronous belt pulley, tightly supports or even fixedly connects the inner side plate side wall, and the relative rotation inside the plane bearing can be ensured as much as possible. The contact area between the inner wall of the plane bearing and the roller inside the plane bearing is large, the axial force born by the plane bearing is large, and the plane bearing has good impact resistance.

Preferably, the outer side wall of the ball bearing close to one end of the synchronous pulley is fixedly provided with a limiting ring, and a limiting gap for embedding the limiting ring in the vertical direction is formed between the inner side plate side wall and the outer side plate side wall.

Through adopting above-mentioned technical scheme, ball bearing inboard and pivot fixed connection set up the spacing ring outside ball bearing, and between spacing ring embedding interior plate and the outer panel, reach for the spacing effect of pivot axial.

Preferably, the limiting ring and the limiting gap are in transition fit.

Through adopting above-mentioned technical scheme, for transition fit between spacing ring and the spacing clearance, ball bearing can directly penetrate from the mounting groove upper end, is convenient for install ball bearing, and nevertheless, the space between spacing ring both sides lateral wall and the spacing clearance is very little, and the spacing effect that reaches is better, can reduce the axial vibration of pivot.

Preferably, the mounting grooves include a first groove formed on the inner side plate and a second groove formed on the outer side plate, and a width of the first groove is smaller than a width of the second groove.

Through adopting above-mentioned technical scheme, pivot and first inslot wall contactless, and both relative rotations. The width of the second groove is approximately equal to the diameter of the ball bearing. When the width of the first groove is far smaller than that of the second groove, the abutting area of the inner side plate and the plane bearing is increased on the premise that the first groove is not interfered with the rotating shaft, the friction force between the inner side plate and the plane bearing is large, and the relative rotation inside the plane bearing can be guaranteed as far as possible.

Preferably, the bottom of the second groove is an arc-shaped surface with an upward opening, and the arc-shaped surface is completely attached to the outer wall of the ball bearing.

Through adopting above-mentioned technical scheme, the bottom and the ball bearing of second inslot wall laminate completely, and area of contact increase between its the two all forms spacingly except vertical ascending direction radially, and fixed effect is better.

Preferably, the inner side plate and the outer side plate are connected through a bolt and a nut, the bolt penetrates through the side wall of the outer side plate on the side far away from the opening along the thickness direction of the outer side plate, and a damping gasket is arranged between the outer side plate and the nut.

Through adopting above-mentioned technical scheme, because be connected between second inslot wall and the ball bearing, outer panel and ball bearing lug connection promptly, nevertheless between inner panel and the ball bearing and between inner panel and the pivot contactless, when pivot radial vibration, the connection between inner panel and the outer panel has the absorbing effect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the two ends of the synchronous belt wheel are provided with the plane bearings, the synchronous belt wheel is tightly supported by the two plane bearings, the plane bearings can bear larger axial force, and the vibration absorption effect is better.

2. When the pivot was shaken radially, the mounting groove provided spacing, reached absorbing effect.

3. The ball bearing is externally provided with a limiting ring, and the limiting ring is embedded between the inner side plate and the outer side plate, so that the axial limiting effect of the rotating shaft is achieved.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is a partially exploded view of the present embodiment;

FIG. 3 is a top plan view of the transmission of the present embodiment;

FIG. 4 is a structurally disassembled view of the damper mechanism of the present embodiment;

FIG. 5 is a schematic view of the connection between the square tube and the rotating shaft in this embodiment.

Description of reference numerals: 10. a base plate; 11. a fixing plate; 12. bending edges; 13. a sliding member; 131. a U-shaped plate; 132. a square tube; 14. a kidney-shaped groove; 15. a drive nut; 20. a transmission device; 21. a rotating shaft; 22. a first timing pulley; 23. a first synchronization belt; 24. a drive member; 25. a second timing pulley; 26. a second synchronous belt; 27. a drive motor; 30. a mounting seat; 31. mounting a plate; 32. an inner side plate; 33. an outer panel; 35. a nut; 36. a shock-absorbing pad; 40. mounting grooves; 401. a first groove; 402. a second groove; 41. a damping mechanism; 42. a flat bearing; 43. a ball bearing; 44. a limiting ring; 45. limiting the gap; 50. a guide groove; 51. a lifting groove; 511. a lifting section; 512. a stopping section; 52. and (4) a lifting piece.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses ink stack elevating gear with damper. Referring to fig. 1 and 2, the device includes a base plate 10, a fixed plate 11 mounted on the base plate 10, a sliding member 13, and a driving unit 20 for driving the sliding member 13 to move relative to the fixed plate 11. Two sliding parts 13 are arranged at intervals, and two groups of fixing plates 11 are arranged and are respectively positioned at two sides of the sliding parts 13. The fixed plate 11 is close to the sliding piece 13 and is seted up the guide way 50, and the roll connection has lifting 52 in the guide way 50, and the sliding piece 13 is close to fixed plate 11 and is seted up the lifting groove 51 that is used for guiding lifting 52 relative guide way 50 along vertical direction removal.

When the ink stack is lifted or lowered, the transmission device 20 is started to drive the two sliding pieces 13 to move oppositely or backwards. Relative displacement is formed between the sliding piece 13 and the fixing plate 11, and the overlapped position of the guide groove 50 and the lifting groove 51 moves to drive the lifting piece 52 to ascend or descend so as to achieve the effect of stably adjusting the ascending and descending of the ink stack.

Specifically, referring to fig. 2, each set of two fixing plates 11 is arranged at intervals along the width direction of the bottom plate 10. The lower extreme of fixed plate 11 lateral wall offsets with the lateral wall of sliding part 13, is equipped with the clearance between the upper end of fixed plate 11 lateral wall and the lateral wall of sliding part 13. The lower end of the fixing plate 11 is bent to be L-shaped, the lower end of the fixing plate abuts against the bottom plate 10 and is connected to the bottom plate 10 through a bolt, a bent edge 12 is arranged at one side, close to the sliding part 13, of the upper end of the fixing plate 11, and a limiting surface for vertically limiting the sliding part 13 is formed at the lower end of the bent edge 12.

The guide groove 50 is a vertically extending kidney-shaped groove 14, which communicates with a side wall of the fixing plate 11 away from the sliding member 13. The lifting slot 51 comprises a lifting section 511 and step-stopping sections 512 positioned at two ends of the lifting section 511, the lifting section 511 is an arc-shaped track with a height difference formed at two ends, the lifting section 511 inclines upwards from one end close to the center of the bottom plate 10 to one end far away from the center of the bottom plate 10, and the two step-stopping sections 512 are horizontal tracks connected with the lifting section 511. The lifting member 52 is a bolt bearing, which is embedded and connected with the guide groove 50 and the lifting groove 51 in a rolling manner, and the lifting member 52 is provided with a cleaning device with one end of a bolt directly connected with the ink stack.

When the sliding member 13 moves relative to the fixing plate 11, the lifting member 52 slides in the lifting groove 51 and the guide groove 50 simultaneously, and when the lifting member 52 rolls from the step stop section 512 at the bottom to the step stop section 512 at the upper end, the lifting member 52 is simultaneously located at the upper end of the guide groove 50, and the cleaning device of the ink stack is lifted to the highest point. At this time, the step-stopping section 512 is a horizontal section, and the gravity of the lifting element 52 is perpendicular to the inner wall of the step-stopping section 512, so that the downward rolling tendency is not brought.

Specifically, referring to fig. 1 and 3, the transmission device 20 includes a rotating shaft 21, two first synchronous pulleys 22, two first synchronous belts 23 and a driving member 24, the rotating shaft 21 is spaced and arranged in parallel along the width direction of the base plate 10, and the two first synchronous pulleys 22 are also arranged and respectively fixedly sleeved on the middle portions of the two rotating shafts 21. The first timing belt 23 is tightly fitted over the two first timing pulleys 22. The driving member 24 includes a second timing pulley 25, a second timing belt 26, and a driving motor 27. The driving motor 27 is located at one side of the rotating shaft 21 and is fixedly installed on the bottom plate 10, two first synchronous belt pulleys are provided, one second synchronous belt pulley 25 is fixedly sleeved on the rotating shaft 21 of the driving motor 27, and the same one is fixedly sleeved on the adjacent rotating shaft 21. The second synchronous belt 26 is tightly sleeved outside the two second synchronous belt pulleys 25.

Referring to fig. 1 and 4, two mounting seats 30 are fixedly mounted on the bottom plate 10, a damping mechanism 41 for reducing the vibration amplitude of the rotating shaft 21 is disposed on the mounting seats 30, and the two mounting seats 30 are located in the middle of the bottom plate 10 in the length direction and are arranged at intervals in the width direction of the bottom plate 10. The mounting seat 30 includes a mounting plate 31, an inner side plate 32 and an outer side plate 33 fixedly mounted on the mounting plate 31 in a U-shape. The openings of the inner side plate 32 and the outer side plate 33 face the first synchronous belt 23, the inner side plate and the outer side plate are connected through a bolt and a nut 35, the bolt penetrates through the outer side plate 33 along the thickness direction of the outer side plate 33 and is far away from the side wall of the opening, a damping gasket 36 is arranged between the outer side plate 33 and the nut 35, the nut 35 is connected to the bolt in a threaded mode, and one end of the nut abuts against the damping gasket 36 tightly. The mounting groove 40 has been seted up along vertical direction to interior plate 32 and outer panel 33 upper end, and the mounting groove 40 is including offering the first groove 401 on interior plate 32 and offering the second groove 402 on outer panel 33, and first groove 401 communicates the interior lateral wall of interior plate 32, and second groove 402 communicates the interior lateral wall of outer panel 33, and the width in first groove 401 is less than the width in second groove 402.

Waist-shaped grooves 14 are formed in the mounting plate 31, two waist-shaped grooves 14 are arranged at intervals along the width direction of the mounting plate 31, bolts penetrate through the waist-shaped grooves 14 along the vertical direction, and the lower ends of the bolts are connected to the bottom plate 10 in a threaded mode.

The damping mechanism 41 includes two plane bearings 42 and two ball bearings 43 fixedly sleeved outside the rotating shaft 21, the two plane bearings 42 are respectively located at two sides of the synchronous pulley, one end of each plane bearing abuts against the synchronous pulley, and the other end abuts against the inner wall of the opening end of the inner side plate 32. The ball bearings 43 are likewise provided in two, one on each side of the two flat bearings 42 remote from the synchronous pulley. The bottoms of the first groove 401 and the second groove 402 are both arc surfaces with upward openings, the ball bearing 43 is fixedly embedded in the second groove 402, and the arc surfaces are completely attached to the outer wall of the ball bearing 43. The outer side wall of the ball bearing 43 is fixedly provided with a limiting ring 44, the limiting ring 44 is arranged on one side, close to the synchronous pulley, of the ball bearing 43, a limiting gap 45 is arranged between the side wall of the inner side plate 32 and the side wall of the outer side plate 33, the limiting ring 44 is embedded into the limiting gap 45, and the limiting ring 44 and the limiting gap 45 are in transition fit.

After the driving motor 27 is started, the second synchronous pulley 25 connected to the rotating shaft 21 rotates to drive the second synchronous belt 26 around the outer wall of the rotating shaft to transmit, and the second synchronous belt 26 drives another second synchronous pulley 25 to rotate while transmitting, so as to drive the rotating shaft 21 connected with the second synchronous pulley 25 to rotate.

The rotating shafts 21 rotate and drive one of the first synchronous belt pulleys 22 to rotate, and the other first synchronous belt pulley 22 is driven to rotate by being wound around the first synchronous belt pulley 22 in the transmission process, so that the two rotating shafts 21 rotate synchronously to drive the sliding parts 13 at the two sides to approach the transmission device 20, and the lifting parts 52 are driven to lift while the sliding parts 13 move relative to the fixed plate 11.

In the process of high-speed rotation of the rotating shaft 21, slight radial vibration may occur, the rotating shaft 21 is connected with the mounting base 30 through the ball bearing 43, and radial limiting is provided for the rotating shaft 21 while the smooth degree of rotation of the rotating shaft is ensured, so that the vibration degree of the rotating shaft is reduced. After the transmission 20 is used for a long time, there may be a looseness between the first synchronous pulley 22 and the rotation shaft 21, causing vibration thereof. The two ends of the plane bearing 42 respectively abut against the first synchronous pulley 22 and the inner side plate 32. The plane bearing 42 can bear large axial force and has good impact resistance.

Specifically, referring to fig. 1 and 5, the sliding member 13 includes a U-shaped plate 131 opened upward and a square tube 132 mounted on the U-shaped plate 131. The side wall of the fixing plate 11 abuts against the outer side wall of the U-shaped plate 131, the side wall of the square tube 132 is also provided with a waist-shaped groove 14, and the waist-shaped groove 14 extends along the length direction of the square tube 132 and is communicated with the opposite side wall. The embedded two drive nuts 15 that are equipped with of square pipe 132, drive nut 15 lateral wall support tight square pipe 132 inner wall, and pivot 21 threaded connection is in drive nut 15, and the screw thread trend in connecting the drive nut 15 of same root pivot 21 is opposite.

In the process of rotating the rotating shaft 21, because the driving nuts 15 are in threaded connection with the rotating shaft 21, and the threads at the two ends are opposite in direction, the driving nuts 15 at the two sides have a tendency of moving in the opposite direction or in the back direction in the rotating process of the rotating shaft 21, and the sliding pieces 13 at the two sides are driven to move.

The implementation principle of the ink stack lifting device with the damping mechanism 41 in the embodiment of the application is as follows: when the ink stack is lifted, the driving part 24 is started, the first synchronous belt wheel 22 rotates, the first synchronous belt 23 drives the other first synchronous belt wheel 22 to rotate in a transmission mode, the two rotating shafts 21 rotate synchronously, the vibration absorption mechanism 41 reduces the amplitude of the rotating shafts 21 in the rotating process, and the service life of the vibration absorption mechanism is prolonged. Relative displacement is formed between the sliding piece 13 and the fixed plate 11, and the overlapped position of the guide groove 50 and the lifting groove 51 is lifted, that is, the lifting piece 52 is driven to vertically lift, so as to drive the cleaning device to stably lift.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a band transmission's damper which characterized in that: including fixed cover in proper order establish plane bearing (42) and ball bearing (43) outside pivot (21) and be used for installing mount pad (30) of plane bearing (42), plane bearing (42) are equipped with two, are located synchronous pulley's both sides respectively and support tight synchronous pulley, ball bearing (43) are equipped with two equally, are located two plane bearing (42) respectively and keep away from synchronous pulley one side and its lateral wall fixed connection in mount pad (30).

2. The belt drive damper mechanism according to claim 1, wherein: mounting seat (30) include mounting panel (31), be interior plate (32) and outer panel (33) of U-shaped fixed mounting on mounting panel (31), interior plate (32) and outer panel (33) opening all are towards the hold-in range, mounting groove (40) that supply pivot (21) to wear to establish are seted up along vertical direction to interior plate (32) and outer panel (33) upper end, ball bearing (43) outer wall fixed connection is in mounting groove (40) inner wall.

3. The belt transmission damper mechanism according to claim 2, wherein: one end of the plane bearing (42) far away from the synchronous pulley abuts against the inner side wall of the inner side plate (32).

4. The belt transmission damper mechanism according to claim 2, wherein: the outer side wall of one end, close to the synchronous pulley, of the ball bearing (43) is fixedly provided with a limiting ring (44), and a limiting gap (45) for the limiting ring (44) to be embedded in the vertical direction is arranged between the side wall of the inner side plate (32) and the side wall of the outer side plate (33).

5. The belt transmission damper mechanism according to claim 4, wherein: the limiting ring (44) and the limiting gap (45) are in transition fit.

6. The belt transmission damper mechanism according to claim 2, wherein: the mounting groove (40) comprises a first groove (401) formed in the inner side plate (32) and a second groove (402) formed in the outer side plate (33), and the width of the first groove (401) is smaller than that of the second groove (402).

7. The belt transmission damper mechanism according to claim 6, wherein: the bottom of the second groove (402) is an arc surface with an upward opening, and the arc surface is completely attached to the outer wall of the ball bearing (43).

8. The belt transmission damper mechanism according to claim 2, wherein: the inner side plate (32) and the outer side plate (33) are connected through bolts and nuts (35), the bolts penetrate through the side wall of the outer side plate (33) on one side far away from the opening along the thickness direction of the outer side plate (33), and a damping gasket (36) is arranged between the outer side plate (33) and the nuts (35).

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