Damping gap bridge device

Abstract

The utility model discloses a damping gap bridge device which comprises a gear ring driving seat fixedly installed on polishing equipment, a motor and a speed reducer are fixedly installed on the gear ring driving seat, and an output shaft of the motor is fixedly connected with an input shaft of the speed reducer. The idler shaft is fixedly installed on the upper surface of the gear ring driving seat, an idler wheel is arranged on the outer side of the idler shaft, and a damping assembly is installed between the idler shaft and the idler wheel; the driving gear is fixedly installed on the outer side of the output end of the speed reducer, the damping assembly comprises deep groove ball bearings and oil seals, the deep groove ball bearings and the oil seals are installed between the idle wheel shaft and the idle wheel, the number of the deep groove ball bearings is two, and the idle wheel and the oil seals in the idle wheel can absorb vibration in the transmission process. The damping gap bridge device can conveniently replace an original driving part, is good in interchangeability, can increase the output torque of a motor, and can effectively improve the stability of a transmission system in the working process.

Description

TECHNICAL FIELD

[0001] The utility model relates to transmission mechanism technical field, concretely is a kind of shock-absorbing overbridge device. BACKGROUND

[0002] Gear ring driving part is the important component of polishing machine, gear ring driving part can drive planet wheel to rotate under the action of output power, to realize efficient polishing, and in order to avoid the phenomenon of peristalsis of gear ring transmission system, overbridge device is needed to realize transmission effect.

[0003] In prior art, such as the publication No. CN104772697B, a kind of planet wheel type polishing machine gear ring lifting mechanism, it includes gear ring and center shaft, the gear ring is arranged on gear ring support, the gear ring support is fixed with gear ring sleeve below, the gear ring sleeve is respectively fixed with gear ring gear and gear ring lifting sleeve, the gear ring lifting sleeve is fixed with synchronous lifting upper plate below, the synchronous lifting upper plate is fixed with synchronous rod below, the synchronous rod is screwed together with a lifting nut, the lifting nut is positioned in support sleeve by stop ring and corresponding shaft stop washer, and the lifting nut is rotatably arranged in support sleeve by bearing, the lifting nut is fixed with a lifting gear, the lifting gear is engaged with a lifting outer gear ring to drive;

[0004] Such as the publication No. CN206925733U, a kind of upper disc structure of grinder or polishing machine, rack, upper disc lifting mechanism and upper disc stop lock mechanism, rack includes hollow column, upper disc lifting mechanism includes lifting sliding seat and two sets of linear guide rail pairs, lifting sliding seat is respectively connected with the slider of two sets of linear guide rail pairs;Two sets of linear guide rail pairs are arranged separately, the side plate of inside of column includes vertical slot, vertical slot is located between two guide rails;Upper disc stop lock mechanism includes limit block and two sets of lock latch driving mechanism, limit block is fixed at one end of lifting sliding seat and slider connection, passes through the vertical slot, inserts into the cavity of column;Two sets of lock latch driving mechanism are fixed on the inner wall of inside of column side plate, symmetrically arranged on both sides of vertical slot;When upper disc is at upper stop point, lock latch is below limit block.

[0005] But in polishing process, if the damping cloth with high frictional resistance is used to polish product, the planet wheel will be subjected to considerable resistance, especially in the case of very thin product, adsorption force will be formed between upper and lower disc working surface, and then the resistance is increased. In this way, gear ring driving part needs large output power to drive planet wheel to rotate, otherwise the whole gear ring transmission system will appear the phenomenon of peristalsis, which is quite unfavorable for processing product, in order to solve this problem, a kind of shock-absorbing overbridge device is specially developed to replace original gear ring driving part. UTILITY MODEL CONTENTS

[0006] The utility model discloses a purpose at providing a kind of shock-absorbing bridge crossing device to solve the phenomenon that the gear ring transmission system of polishing machine in current market appears in the above background technology.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of shock-absorbing bridge crossing device, including the gear ring drive seat of fixed installation on polishing equipment, motor and speed reducer are fixedly installed on the gear ring drive seat, and the output shaft of motor and the input shaft of speed reducer are fixedly connected;

[0008] Still include: idler shaft, fixedly installed on the upper surface of gear ring drive seat, the outside of the idler shaft is provided with idler, and shock-absorbing assembly is installed between idler shaft and idler;

[0009] Driving gear, fixedly installed on the output end outside of speed reducer.

[0010] Preferably, the gear ring drive seat is set to inverted trapezoidal structure, and the gear ring drive seat is fixedly installed by bolt and polishing equipment.

[0011] By adopting the above technical scheme, the gear ring drive seat can be stably supported to bridge crossing mechanism outside polishing equipment, to ensure the stable operation of driving structure.

[0012] Preferably, the shock-absorbing assembly includes deep groove ball bearing and oil seal installed between idler shaft and idler, and the deep groove ball bearing is provided with two groups, and the oil seal in idler and idler can absorb vibration during transmission.

[0013] By adopting the above technical scheme, when bridge crossing device operates, the oil seal in idler and idler can effectively absorb the vibration generated during transmission, to maximize the elimination of vibration generated during power transmission.

[0014] Preferably, the upper end of the idler shaft is fixedly installed with end cover, and the end cover, idler shaft, deep groove ball bearing and idler are coaxially arranged, and the outer diameter of the end cover is greater than the inner diameter of the deep groove ball bearing.

[0015] By adopting the above technical scheme, when the end cover is fixedly connected with the idler shaft, the deep groove ball bearing can be limited, to ensure the rotation stability of idler.

[0016] Preferably, the idler and driving gear are engagedly connected, and the number of teeth on the idler and driving gear is same.

[0017] By adopting the above technical scheme, when driving gear rotates, the idler can be driven to rotate synchronously through meshing effect, compared with traditional large gear, transmission speed ratio is doubled, i.e. under the same output speed, the rotation speed of input end is doubled, and the output torque of motor is increased within rated rotation speed.

[0018] Preferably, a pressure block is fixedly installed at the output end of the reducer, and the outer diameter of the pressure block is larger than the inner diameter of the driving gear.

[0019] By adopting the above technical solution, the pressing block can limit the driving gear, ensuring that the driving gear can be stably installed on the output end of the reducer, thereby ensuring the stability of power output.

[0020] Compared with the prior art, the beneficial effects of the present invention are: the shock-absorbing bridge device can conveniently replace the original drive part without changing any other structure, and has good interchangeability. The original large drive gear is evenly divided into two small gears according to the number of teeth, and the transmission speed ratio is doubled, that is, at the same output speed, the input end speed is doubled. Within the rated speed, the output torque of the motor is increased. At the same time, the vibration generated during the transmission process is absorbed by the idler gear and the oil seal inside the idler gear, which eliminates the vibration generated during the power transmission process to the greatest extent and effectively improves the stability of the transmission system during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0022] Figure 2 This is a rear view structural diagram of the utility model;

[0023] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0024] Figure 4 This is a schematic diagram of the split structure of the idler gear and the drive gear of the utility model;

[0025] Figure 5 This is a schematic cross-sectional view of the deep groove ball bearing and idler pulley of the utility model.

[0026] In the figure: 1. Ring gear drive seat; 2. Idler shaft; 3. Deep groove ball bearing; 4. Idler; 5. End cover; 6. Drive gear; 7. Pressure block; 8. Motor; 9. Reducer. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figure 1-Figure 5The utility model provides a technical solution: a shock-absorbing bridge device, comprising a gear ring drive seat 1 fixedly mounted on a polishing device, a motor 8 and a reducer 9 fixedly mounted on the gear ring drive seat 1, and an output shaft of the motor 8 and an input shaft of the reducer 9 fixedly connected;

[0029] The system further comprises: an idler shaft 2 fixedly mounted on the upper surface of the ring gear drive seat 1, an idler wheel 4 being arranged on the outer side of the idler shaft 2, and a shock absorbing assembly being installed between the idler shaft 2 and the idler wheel 4;

[0030] Drive gear 6 is fixedly mounted on the outside of the output end of reducer 9. Ring gear drive seat 1 is arranged in an inverted trapezoidal structure and is fixed in place using bolts and polishing equipment. A pressure block 7 is fixedly mounted on the output end of reducer 9, and its outer diameter is larger than the inner diameter of drive gear 6. An end cap 5 is fixedly mounted on the upper end of idler shaft 2. End cap 5, idler shaft 2, deep groove ball bearing 3, and idler 4 are all coaxially arranged, and the outer diameter of end cap 5 is larger than the inner diameter of deep groove ball bearing 3.

[0031] like Figures 1-4 As shown, when the bridge device needs to be installed, the output end of the motor 8 and the input end of the reducer 9 are fixedly connected, and then the drive gear 6 is sleeved on the outside of the output end of the reducer 9, and then the pressure block 7 and the output end of the reducer 9 are fixedly connected to realize the positioning of the drive gear 6, and then the deep groove ball bearing 3 is sleeved on the outside of the idler shaft 2 and limited by the end cover 5, and then the idler 4 is installed on the outside of the deep groove ball bearing 3, so that the idler 4 and the drive gear 6 are meshed and connected.

[0032] The shock absorbing assembly includes a deep groove ball bearing 3 and an oil seal installed between the idler shaft 2 and the idler 4. Two groups of deep groove ball bearings 3 are provided, and the idler 4 and the oil seal inside the idler 4 can absorb vibrations during transmission.

[0033] The idler gear 4 and the driving gear 6 are meshingly connected, and the number of teeth on both the idler gear 4 and the driving gear 6 is the same.

[0034] like Figure 2-Figure 5 As shown, when polishing is required, the motor 8 is started, so that the motor 8 drives the driving gear 6 to rotate through the reducer 9, and the driving gear 6 will drive the idler gear 4 to rotate synchronously through the meshing action during the rotation process. At this time, the rotation speed of the idler gear 4 is effectively increased than the rotation speed of the original large gear structure, and the output torque of the motor 8 is increased. The vibration generated during the transmission process is absorbed by the idler gear 4 and the oil seal inside the idler gear 4, thereby eliminating the vibration generated during the power transmission process to the greatest extent.

[0035] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A shock-absorbing bridge device, comprising a gear ring drive seat (1) fixedly mounted on a polishing device, wherein a motor (8) and a reducer (9) are fixedly mounted on the gear ring drive seat (1), and an output shaft of the motor (8) and an input shaft of the reducer (9) are fixedly connected; It is characterized in that Also includes: An idler shaft (2) is fixedly mounted on the upper surface of the gear ring drive seat (1), an idler wheel (4) is provided on the outer side of the idler shaft (2), and a shock absorbing assembly is installed between the idler shaft (2) and the idler wheel (4); The driving gear (6) is fixedly mounted on the outer side of the output end of the speed reducer (9).

2. The shock-absorbing bridge device according to claim 1, characterized in that: The gear ring drive seat (1) is arranged in an inverted trapezoidal structure, and the gear ring drive seat (1) is fixedly installed by means of bolts and polishing equipment.

3. The shock-absorbing bridge device according to claim 1, characterized in that: The shock absorbing assembly comprises a deep groove ball bearing (3) and an oil seal installed between the idler shaft (2) and the idler (4), wherein two groups of deep groove ball bearings (3) are provided, and the idler (4) and the oil seal inside the idler (4) can absorb vibration during the transmission process.

4. The shock-absorbing bridge device according to claim 1, characterized in that: An end cover (5) is fixedly mounted on the upper end of the idler shaft (2), and the end cover (5), the idler shaft (2), the deep groove ball bearing (3), and the idler (4) are all coaxially arranged, and the outer diameter of the end cover (5) is larger than the inner diameter of the deep groove ball bearing (3).

5. The shock-absorbing bridge device according to claim 1, characterized in that: The idler wheel (4) and the driving gear (6) are meshed and connected, and the number of teeth on the idler wheel (4) and the driving gear (6) is the same.

6. The shock-absorbing bridge device according to claim 1, characterized in that: A pressure block (7) is fixedly mounted on the output end of the reducer (9), and the outer diameter of the pressure block (7) is larger than the inner diameter of the driving gear (6).

Images