CN113175509A - Synchronous rotary friction transmission mechanism of gear lapping device - Google Patents

Synchronous rotary friction transmission mechanism of gear lapping device Download PDF

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CN113175509A
CN113175509A CN202110608283.8A CN202110608283A CN113175509A CN 113175509 A CN113175509 A CN 113175509A CN 202110608283 A CN202110608283 A CN 202110608283A CN 113175509 A CN113175509 A CN 113175509A
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friction
shaped
shaft
ring
groove
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CN113175509B (en
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凌四营
圣宏杰
刘远航
凌明
刘祥生
王立鼎
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Dalian University of Technology
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H13/00Gearing for conveying rotary motion with constant gear ratio by friction between rotary members
    • F16H13/02Gearing for conveying rotary motion with constant gear ratio by friction between rotary members without members having orbital motion
    • F16H13/04Gearing for conveying rotary motion with constant gear ratio by friction between rotary members without members having orbital motion with balls or with rollers acting in a similar manner
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/028Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)

Abstract

The invention belongs to the technical field of gear processing, and relates to a synchronous rotary friction transmission mechanism of a gear lapping device, which comprises a driven friction belt wheel, a dense ball shaft sleeve, a mandrel, a rubber ring, a U-shaped frame, a fastening block, a fastening screw, a coupling A, a motor A, V-shaped block, a guide rail soft belt, a transmission flat belt B, a bearing, a V-shaped clamping block, a transmission flat belt A, a driving friction belt wheel shaft, a connecting rod A, an end cover, a shaft collar and a connecting rod B. The mechanism utilizes a plurality of groups of rubber rings which are distributed in a staggered mode to be sleeved in a U-shaped ring groove of a rigid friction wheel, the two friction wheels are contacted along the bus direction under the action of clamping force, the synchronous rotation friction transmission mechanism has the advantages of rigid and flexible friction wheel transmission, can ensure the synchronous rotation precision of the two friction wheels, and is suitable for the field of processing and measurement with higher synchronous transmission requirements.

Description

Synchronous rotary friction transmission mechanism of gear lapping device
Technical Field
The invention belongs to the technical field of gear machining, and relates to a synchronous rotary friction transmission mechanism of a gear lapping device.
Background
The gears are important mechanical transmission parts, are widely applied to various aspects such as machine tools, smelting, aerospace, ship transportation, precision instruments, national defense and military industry and the like, and according to statistics, the number of the gears produced in the world every year is 2.5 hundred million, wherein the number of high-quality gears (the precision grade is IT 5 and above) is between 1000 and 1400 million, and the turnover exceeds 1000 hundred million euros. At present, gear machining methods mainly comprise gear hobbing, gear shaping and gear shaving, and the highest machining precision of the three machining methods is 5 grades; the gear grinding process can be used for processing high-precision gears, the highest processing precision is above grade 3, but the gear grinding process is high in difficulty and low in efficiency in processing the high-precision gears; the gear honing and lapping process is mainly used for finishing the gear, can reduce the roughness of the tooth surface, but can not improve the precision of the gear. A facing apparatus and a facing method (ZL201810466326.1) for improving the machining accuracy of gears have been disclosed, and a high-precision gear facing apparatus and a facing method using which high-precision gears can be machined have been proposed, but many key techniques and specific mechanisms have not been given in this patent.
The patent discloses a lapping device and a lapping method (ZL201810466326.1) for improving gear machining precision, wherein the relative error of the transmission ratio of two lapping gears is required to be not more than 2%, two friction wheels and a flat belt transmission mechanism are proposed, but in the existing friction transmission mechanism, rigid friction wheel transmission exists, the two friction wheels are made of hardened steel, the relative error of the transmission ratio of the friction transmission is generally 0.5% -3%, although the requirement is met, the transmission friction factor of the two rigid friction transmissions is only 0.1-0.2, the phenomenon of slipping easily occurs, and the inaccuracy of the transmission ratio is easily caused; the friction transmission of hardened steel and rubber can reach a transmission friction factor of 0.7, but the relative error of the transmission ratio is 4-10%, and the requirement that the relative error of the transmission ratio is not more than 2% is difficult to realize.
Disclosure of Invention
In order to realize the synchronous rotation of two counter-grinding gears in the gear counter-grinding device, the invention provides a synchronous rotary friction transmission mechanism of the gear counter-grinding device, which combines the characteristics of flexible friction transmission and high load and the characteristics of rigid friction transmission and high rotary precision to increase the transmission friction force, and the two friction wheels respectively drive one counter-grinding gear to ensure that the two counter-grinding gears synchronously rotate to correct the tooth pitch processing precision of the two counter-grinding gears, thereby ensuring that the relative error of the transmission ratio of the two counter-grinding gears is not more than 2 percent and simultaneously having high load capacity.
The specific technical scheme is as follows:
a synchronous rotation friction transmission mechanism of a gear lapping device comprises a driven friction belt wheel, a dense ball shaft sleeve, a mandrel, a rubber ring, a U-shaped frame, a fastening block, a fastening screw, a coupler, a motor, a V-shaped block, a guide rail soft belt, a transmission flat belt B, a bearing, a V-shaped clamping block, a transmission flat belt A, a driving friction belt wheel shaft, a connecting rod A, an end cover, a shaft collar and a connecting rod B;
u-shaped grooves are formed in the two side plates of the U-shaped frame, and bearings and mandrels are installed in the grooves; the active friction belt wheel shaft is provided with uniformly distributed U-shaped ring grooves, the distance between every two U-shaped ring grooves is the same, the distance between every two U-shaped ring grooves is more than 2mm larger than the width of each U-shaped ring groove, and the bottom of each groove is semicircular; the rear end of the driving friction belt wheel shaft is provided with a rectangular ring groove for mounting a transmission flat belt A, the width of the rectangular ring groove is larger than that of the transmission flat belt A, and the transmission flat belt A is prevented from tilting due to friction of two side edges; the driving friction belt wheel shaft is firstly provided with three bearings, wherein the outer ring of one bearing is fixed in the connecting rod A; the other two bearing outer rings are fixed in a U-shaped groove in a U-shaped frame, are clamped by two V-shaped clamping blocks matched with a fastening block and a fastening screw, and are fixed relative to the U-shaped frame in a clamping state; one end of the driving friction belt wheel shaft is connected with a motor through a coupler, and the motor rotates to drive the driving friction belt wheel shaft to rotate in the bearing;
the outer circle surface of the driven friction belt wheel is provided with a U-shaped ring groove and a rectangular ring groove which are uniformly distributed and used for installing a rubber ring and a transmission flat belt B, the shape of the U-shaped ring groove is the same as that of the U-shaped ring groove on the shaft of the driving friction belt wheel, and the shapes and the positions of the rectangular ring grooves of the two friction wheels are consistent; a central hole is formed in the driven friction pulley along the axis direction and used for mounting the dense ball shaft sleeve; the dense ball shaft sleeve is arranged on the mandrel, the driven friction pulley rotates around the mandrel, the mandrel is provided with a bearing, the outer ring of the bearing is fixed on the connecting rod B, and the connecting rod B rotates around the mandrel; and then the whole dense ball shaft system is arranged in a U-shaped groove of a U-shaped frame and is tightly propped by a V-shaped block, and the mandrel is fixed relative to the U-shaped frame in a clamping state.
Furthermore, a plurality of uniformly distributed O-shaped rubber rings are arranged in the U-shaped ring grooves of the two friction wheels, the diameter size of the bottom of each U-shaped ring groove is 2-5 mm larger than the inner diameter size of each rubber ring, the width of each U-shaped ring groove is consistent with the diameter of the cross section of each O-shaped rubber ring, and each rubber ring is fixed in each U-shaped ring groove by means of the elasticity of the rubber ring; after the two friction wheels are installed in place, the rubber rings on the two friction wheels are staggered for a certain distance, the rubber ring on one friction wheel is in contact with the metal surface of the other friction wheel, the two friction wheels are in rigid contact with the metal part, and the transmission torque is generated through the contact friction force of the two friction wheels.
Furthermore, the maximum size of the outer ring of each rubber ring after being installed is larger than the diameter of the outer ring of the friction wheel by about 1-2 mm, so that the rubber rings can deform in a pressing contact state of the two friction wheels, the contact area between the rubber rings and the rigid part of the friction wheel is increased, and the transmission friction force is increased.
Furthermore, a 1mm gap is reserved between the end face of the driven friction pulley and the side face of the U-shaped frame, and a guide rail soft belt is attached to the gap, so that the friction force between the driven friction pulley and the side face of the U-shaped frame due to the action of gravity can be reduced.
Furthermore, the mandrel and the bottom of a U-shaped groove of the U-shaped frame have a movement allowance of 1mm, so that an adjustment space of a mandrel shaft system in the groove is ensured, and after a set screw is screwed down, two friction wheels keep rigid contact constantly.
Further, the rubber ring is arranged in the U-shaped ring groove, the inner diameter of the rubber ring is smaller than the diameter of the groove bottom of the U-shaped ring groove, the surface roughness of the U-shaped ring groove is large, and relative sliding cannot occur between the rubber ring and the friction wheel in the friction transmission process.
Furthermore, the driven friction pulley shaft system is installed in a floating mode, the contact pressure between the driven friction pulley and the driving friction pulley shaft and the pose of the driven friction pulley can be adjusted by adjusting the set screws on the two sides, and the contact rigidity of buses of the two friction pulleys is ensured.
Furthermore, the materials of the two parts of the driving friction pulley shaft and the driven friction pulley are 40Cr, and after quenching and medium temperature tempering at 250 ℃, the hardness of the parts needs to reach more than HRC 45.
The synchronous rotation friction transmission mechanism of the gear lapping device has the advantages that the synchronous rotation friction transmission mechanism of the gear lapping device utilizes a plurality of groups of rubber rings which are distributed in a staggered mode to be sleeved in the U-shaped ring groove of the rigid friction wheel, the two friction wheels are contacted along the bus direction under the action of clamping force, the synchronous rotation friction transmission mechanism has the advantages of rigid and flexible friction wheel transmission, the synchronous rotation precision of the two friction wheels can be guaranteed, and the synchronous rotation friction transmission mechanism is suitable for the field of machining and measurement with high synchronous transmission requirements.
Drawings
FIG. 1 shows a synchronous rotary friction drive of a gear lapping device.
FIG. 2 is a side view of the synchronous slewing friction drive mechanism.
FIG. 3 is a cross-sectional axial view of the synchronous slewing friction drive mechanism.
Figure 4 shows an active friction pulley shaft.
Fig. 5 driven friction pulley.
Figure 6U-shaped frame.
FIG. 7 shows a driven friction wheel shafting dense ball bearing.
In the figure: 1 a driven friction pulley; 2, a dense ball shaft sleeve; 3, a mandrel; 4, rubber rings; 5U-shaped frames; 6, a fastening block; 7 fastening the screw; 8, a coupler; 9, a motor; a 10V-shaped block; 11, a guide rail soft belt; 12 driving the flat belt B; 12 bearing; a 14V-shaped clamping block; 15 driving the flat belt A; 16 actively rubbing against the pulley shaft; 17 connecting rod A; 18 end caps; 19 a collar; 20 link B.
Detailed Description
A synchronous rotary friction transmission mechanism of a gear lapping device mainly comprises a driven friction belt wheel 1, a dense ball shaft sleeve 2, a mandrel 3, a rubber ring 4, a U-shaped frame 5, a fastening block 6, a fastening screw 7, a coupler 8, a motor 9, a V-shaped block 10, a guide rail soft belt 11, a transmission flat belt B12, a bearing 13, a V-shaped clamping block 14, a transmission flat belt A15, a driving friction belt wheel shaft 16, a connecting rod A17, an end cover 18, a shaft collar 19 and a connecting rod B20.
The synchronous rotary friction transmission mechanism of the gear lapping device is divided into two shafting: the driving friction belt wheel shaft system is connected with a driving friction belt wheel through a direct current brushless motor, bearings are arranged at two ends of the driving friction belt wheel shaft, and then the whole driving friction belt wheel shaft system is placed in a groove of the U-shaped frame; the driven friction belt wheel shaft system consists of a driven friction belt wheel, a mandrel and a dense ball shaft sleeve. The method of assembling and adjusting the synchronous rotary friction drive of the gear lapping device is described in detail below.
Firstly, (1) the shaft system composition of the driving friction belt wheel and the assembling method
The driving friction belt wheel shafting mainly comprises a motor 9, a coupler 8, a driving friction belt wheel shaft 16, 3 bearings 13, a V-shaped clamping block 14, a transmission flat belt A15, a connecting rod A17, an end cover 18, a U-shaped frame 5 and a rubber ring 4. The motor 9 is a direct-current brushless motor, the rated torque of the motor is 1.2Nm, the working voltage is DC 24V, and the motor has high efficiency, long service life and excellent reliability; the coupler 8 is a threaded elastic coupler, and the diameter of an inner hole is 8 mm; the models of the 3 bearings are the same, the selected standard number is GB/T276-1994, and the model number is 609-2Z; the section of the O-shaped rubber ring 4 is circular, the diameter is 3.5mm, and the inner diameter of the circular ring is 28 mm; the transmission flat belt A15 is a nylon sheet base rubber flat belt, the belt width is 4mm, the belt thickness is 1mm, and the circumference of the outermost ring is 460 mm;
the driving friction pulley shaft 16 integrates a friction pulley, a pulley and a rotating shaft, is made of 40Cr, and is HRC 45-50 after quenching. The diameter of the stepped shaft section is 8mm, the stepped shaft section can be connected with a coupler 8 and a shaft section with the diameter of 9mm, the stepped shaft section is used for mounting three 609-2Z bearings, the diameter of a belt wheel groove is 30mm, the width of the belt wheel groove is 5mm, the diameter of a friction wheel shaft section is 36mm, the shaft section with the diameter of two ends of 8mm is taken as a reference, the cylindricity tolerance is within 1 mu m, the circle run-out tolerance is within 3 mu m, U-shaped ring grooves with the interval of 7mm, the groove width of 3.6mm and the groove bottom diameter of 30mm are uniformly arranged on the shaft section, the groove bottom of each U-shaped ring is in a semicircular shape with the diameter of 3.5mm, a rubber ring 4 is placed in the groove and can be fixed in the groove by means of tension, the outermost diameter of 37mm of the rubber ring 4 is 3.5mm, and the diameter of the cross section is 3.5 mm; mounting the connecting rod A17 on a bearing in the middle of the shaft; after all parts on the active friction belt wheel shaft are assembled in place, the whole body is assembled into two large U-shaped ring grooves of a U-shaped frame according to the positions of bearings on two sides, the U-shaped ring grooves and the outer ring of the bearing are matched in a small interference range, the outer ring of the bearing is clamped by a V-shaped clamping block 14, the V-shaped clamping block 14 is provided with a V-shaped groove, the groove opening angle is 120 degrees, and the two M3 screws are screwed onto the U-shaped frame.
Secondly, (2) driven friction pulley shafting composition and assembly method
The shaft system of the driven friction pulley mainly comprises a driven friction pulley 1, a dense ball shaft sleeve 2, a mandrel 3, a rubber ring 4, a fastening block 6, a fastening screw 7, a V-shaped block 10, a guide rail soft belt 11, a transmission flat belt B12, a bearing 13 and a connecting rod B20. The mandrel 3 is made of 40Cr, after quenching, the HRC is 45-50, a shaft section with the diameter of 9mm is used for mounting a bearing, the bearing and the shaft are in small interference fit, the outer ring of the bearing is in interference fit with the connecting rod B12, and a shaft section with the diameter of 14mm is used for mounting a dense-bead bearing; g3-grade steel balls are used in the dense ball shaft sleeve 2, the diameter of the dense ball shaft sleeve is 3.965mm, the material can be bearing steel or silicon nitride, the hardness of the dense ball shaft sleeve is not lower than HRC60, dense balls are uniformly divided into 5 layers, the dense balls are arranged among the layers in a staggered mode, and 30 steel balls are used in total; the outside of the dense ball shaft sleeve 2 is arranged in the inner hole of the driven friction belt wheel 1, the diameter of the hole is 22mm, and the unilateral interference amount between the high-precision steel ball on the dense ball shaft sleeve 2 and the inner hole of the driven friction belt wheel 1 is controlled to be 0-2 mu m.
The driven friction belt wheel 1 is provided with three uniformly distributed U-shaped ring grooves and belt wheel grooves, the shape and size of the driven friction belt wheel are the same as those of the U-shaped ring grooves and the belt wheel grooves on the driving friction belt wheel shaft 16, the difference is that after the driven friction belt wheel and the driving friction belt wheel are assembled in place, the U-shaped ring grooves on the driven friction belt wheel and the driving friction belt wheel are arranged in a staggered mode, and the distance is 5 mm. Installing the assembled driven friction pulley shaft system into a small U-shaped groove of a U-shaped frame 5, placing a V-shaped block 10 at two ends, wherein one end of the V-shaped block is a plane, the other end of the V-shaped block is a V-shaped groove with an included angle of 120 degrees, jacking 4M 3 set screws 7 to the plane end of the V-shaped block 10 for jacking the V-shaped block 10, screwing the set screws 7 on the set blocks 6, and fastening the set blocks 6 on the U-shaped frame by using 2M 3 screws; the driven friction belt wheel shafting adopts the floating design, the center distance of two groups of friction rotary shafting is adjusted by two V-shaped blocks 10, and when the center distance is 36mm, the rubber ring is extruded by 0.5 mm.
The two friction wheels of the synchronous rotation friction transmission mechanism of the gear lapping pair device have higher synchronous rotation precision, the relative rotation error of the two friction wheels is not more than 2%, the technical requirements of the gear lapping pair device are completely met, the friction transmission mechanism provided by the invention can ensure higher synchronous rotation precision, in the gear lapping pair device, a driving friction wheel and a driven friction wheel need to respectively drive the two lapping pair gears, and the high synchronous rotation precision of the two gears is ensured, so that four M3 fastening screws 7 for fastening a driven friction pulley shaft system need to be adjusted to ensure that the center distance of the two friction pulley shaft systems is 36mm, the two friction wheels are in contact along a bus, six rubber rings are respectively in contact with metal parts of the corresponding friction wheels, and the metal parts of the two friction wheels also have contact width. The friction transmission mechanism provided by the invention can also be used in some precise transmission chains, for example, in some occasions requiring closed-loop feedback, and the output shaft is inconvenient to install a feedback device, so that the friction transmission mechanism can be applied, the sizes of two friction shaft systems are changed according to specific working conditions, the driving friction shaft is used as the output shaft of the transmission chain, the feedback device is installed on a driven friction wheel shaft, and the rotation data of the driving shaft can be accurately recorded in real time.

Claims (8)

1. A synchronous rotary friction transmission mechanism of a gear lapping device is characterized by comprising a driven friction belt wheel (1), a dense ball shaft sleeve (2), a mandrel (3), a rubber ring (4), a U-shaped frame (5), a fastening block (6), a fastening screw (7), a shaft coupling (8), a motor (9), a V-shaped block (10), a guide rail soft belt (11), a transmission flat belt B (12), a bearing (13), a V-shaped clamping block (14), a transmission flat belt A (15), a driving friction belt wheel shaft (16), a connecting rod A (17), an end cover (18), a shaft collar (19) and a connecting rod B (20);
u-shaped grooves are formed in two side plates of the U-shaped frame (5), and bearings (13) and the core shaft (3) are installed in the grooves; the active friction belt wheel shaft (16) is provided with uniformly distributed U-shaped ring grooves, the distance between every two U-shaped ring grooves is the same, the distance between every two U-shaped ring grooves is more than 2mm larger than the width of each U-shaped ring groove, and the bottom of each groove is semicircular; the rear end of the driving friction belt wheel shaft (16) is provided with a rectangular ring groove for mounting a transmission flat belt A (15), the width of the rectangular ring groove is greater than that of the transmission flat belt A (15), and the transmission flat belt A (15) is prevented from tilting due to the friction of two side edges; the driving friction belt wheel shaft (16) is firstly provided with three bearings (13), wherein the outer ring of one bearing (13) is fixed in a connecting rod A (17); the other two bearing outer rings are fixed in a U-shaped groove in a U-shaped frame (5), then an active friction pulley shaft (16) is installed in a large U-shaped ring groove of the U-shaped frame (5), two V-shaped clamping blocks (14) are matched with a fastening block (6) and a fastening screw (7) to clamp, and the bearing (13) outer ring is fixed relative to the U-shaped frame (5) in a clamping state; one end of the driving friction belt wheel shaft (16) is connected with a motor (9) through a coupler (8), and the motor (9) rotates to drive the driving friction belt wheel shaft (16) to rotate in a bearing (13);
the outer circle surface of the driven friction belt wheel (1) is provided with a U-shaped ring groove and a rectangular ring groove which are uniformly distributed and used for installing a rubber ring (4) and a transmission flat belt B (12), the shape of the U-shaped ring groove is the same as that of the U-shaped ring groove on the driving friction belt wheel shaft (16), and the shapes and the positions of the rectangular ring grooves of the two friction wheels are the same; a central hole is formed in the driven friction pulley (1) along the axis direction and used for mounting the dense ball shaft sleeve (2); the dense ball shaft sleeve (2) is arranged on the mandrel (3), the driven friction pulley (1) rotates around the mandrel (3), the mandrel (3) is provided with a bearing (13), the outer ring of the bearing (13) is fixed in a connecting rod B (20), and the connecting rod B (20) rotates around the mandrel (3); and then the whole dense ball shaft system is arranged in a U-shaped groove of a U-shaped frame (5) and is tightly propped by a V-shaped block (10), and the mandrel (3) is fixed relative to the U-shaped frame (5) in a clamping state.
2. The synchronous rotation friction transmission mechanism of the gear lapping device according to claim 1, wherein the U-shaped ring grooves of the two friction wheels are internally provided with uniformly distributed O-shaped rubber rings, the diameter of the bottom of each U-shaped ring groove is 2-5 mm larger than the inner diameter of each rubber ring, the width of each U-shaped ring groove is consistent with the diameter of the cross section of each O-shaped rubber ring, and each rubber ring is fixed in each U-shaped ring groove by means of the elasticity of the rubber ring; after the two friction wheels are installed in place, the rubber rings on the two friction wheels are staggered, the rubber ring on one friction wheel is in contact with the metal surface of the other friction wheel, the two friction wheels are in rigid contact with the metal part, and the transmission torque is generated through the contact friction force of the two friction wheels.
3. The synchronous rotary friction transmission mechanism of a gear lapping device according to claim 1 or 2, wherein the maximum size of the outer ring of each rubber ring after being installed is 1-2 mm larger than the diameter of the outer ring of the friction wheel, so that the rubber ring is deformed to increase the contact area with the rigid part of the friction wheel under the pressing contact state of the two friction wheels, and the transmission friction force is increased.
4. The synchronous rotary friction transmission mechanism of a gear lapping device according to claim 1 or 2, wherein a gap of 1mm is left between the end face of the driven friction pulley and the side face of the U-shaped frame, and a guide rail soft belt is attached in the gap to reduce the friction force between the driven friction pulley and the side face of the U-shaped frame due to the action of gravity.
5. The synchronous rotary friction transmission mechanism of a gear lapping device according to claim 1 or 4, wherein the mandrel has a clearance of 1mm with the bottom of the U-shaped groove of the U-shaped frame, so as to ensure the adjustment space of the mandrel shaft in the groove, and after the set screw is tightened, the two friction wheels are kept in rigid contact all the time.
6. The synchronous rotary friction drive mechanism of a gear lapping device according to claim 1 or 2, wherein the rubber ring is installed in the U-shaped ring groove, the inner diameter of the rubber ring is smaller than the groove bottom diameter of the U-shaped ring groove, the surface roughness of the U-shaped ring groove is large, and the rubber ring and the friction wheel do not slide relatively during the friction drive.
7. The synchronous rotary friction transmission mechanism of a gear lapping device according to claim 1 or 2, wherein the driven friction pulley shaft is installed in a floating manner, and the contact pressure between the driven friction pulley and the driving friction pulley shaft and the pose of the driven friction pulley are adjusted by adjusting the set screws on both sides, so that the contact rigidity of the generatrix of the two friction pulleys is ensured.
8. The synchronous rotary friction transmission mechanism of a gear lapping device according to claim 1 or 2, wherein the materials of the two parts of the driving friction pulley shaft and the driven friction pulley are 40Cr, and after quenching and medium temperature tempering at 250 ℃, the hardness of the parts is required to reach more than HRC 45.
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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN115157349A (en) * 2022-05-31 2022-10-11 宁波中科毕普拉斯新材料科技有限公司 Roller shearing device capable of cleaning material edges and roller shearing method
CN118204573A (en) * 2024-05-06 2024-06-18 江苏丰泰流体机械科技有限公司 Synchronous rotation friction transmission mechanism of gear lapping device
CN118204573B (en) * 2024-05-06 2024-10-25 江苏丰泰流体机械科技有限公司 Synchronous rotation friction transmission mechanism of gear lapping device

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EP0248344A2 (en) * 1986-06-04 1987-12-09 Kabushiki Kaisha Koganei Seiki Seisakusho Method of finishing gear tooth surfaces
CN2030666U (en) * 1987-04-02 1989-01-11 姚犖 Ceiling fan with driving belt deceleration device
JP2014018918A (en) * 2012-07-19 2014-02-03 Toyota Motor Corp Lapping device and lapping method
CN103286388A (en) * 2013-06-19 2013-09-11 山东英才学院 Gear finish machining device and method
CN108581080A (en) * 2018-05-09 2018-09-28 大连理工大学 It is a kind of improve Gear Processing precision to grinding device with to the method for grinding
US20210046565A1 (en) * 2018-05-09 2021-02-18 Dalian University Of Technology Mutual-lapping device for improving gear machining accuracy and the mutual-lapping method thereof
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CN115157349A (en) * 2022-05-31 2022-10-11 宁波中科毕普拉斯新材料科技有限公司 Roller shearing device capable of cleaning material edges and roller shearing method
CN118204573A (en) * 2024-05-06 2024-06-18 江苏丰泰流体机械科技有限公司 Synchronous rotation friction transmission mechanism of gear lapping device
CN118204573B (en) * 2024-05-06 2024-10-25 江苏丰泰流体机械科技有限公司 Synchronous rotation friction transmission mechanism of gear lapping device

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