CN113175509B - Synchronous rotation friction transmission mechanism of gear lapping device - Google Patents
Synchronous rotation friction transmission mechanism of gear lapping device Download PDFInfo
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- CN113175509B CN113175509B CN202110608283.8A CN202110608283A CN113175509B CN 113175509 B CN113175509 B CN 113175509B CN 202110608283 A CN202110608283 A CN 202110608283A CN 113175509 B CN113175509 B CN 113175509B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H13/00—Gearing for conveying rotary motion with constant gear ratio by friction between rotary members
- F16H13/02—Gearing for conveying rotary motion with constant gear ratio by friction between rotary members without members having orbital motion
- F16H13/04—Gearing 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
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- Friction Gearing (AREA)
Abstract
The invention belongs to the technical field of gear machining, and relates to a synchronous rotary friction transmission mechanism of a gear lapping device, which comprises a driven friction belt wheel, a dense bead shaft sleeve, a mandrel, a rubber ring, a U-shaped frame, a fastening block, a fastening screw, a coupler A, a motor A, V 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 collar and a connecting rod B. The mechanism utilizes a plurality of groups of rubber rings which are distributed in a staggered manner to be sleeved in the U-shaped ring grooves of the rigid friction wheels, the two friction wheels are contacted along the bus direction under the action of clamping force, and the synchronous rotary friction transmission mechanism has the advantages of both rigid friction wheel transmission and flexible friction wheel transmission, can ensure synchronous rotary precision of the two friction wheels, and is suitable for the processing and measuring fields with higher synchronous transmission requirements.
Description
Technical Field
The invention belongs to the technical field of gear machining, and relates to a synchronous rotation friction transmission mechanism of a gear lapping device.
Background
Gears are important mechanical transmission parts, and are widely applied to various aspects of machine tools, smelting, aerospace, ship transportation, precise instruments, national defense and military industry and the like, and the number of gears produced in each year in the world is 2.5 hundred million according to statistics, wherein the number of high-quality gears (with the precision grade of IT 5 and above) is 1000-1400 ten thousand, and the sales amount exceeds 1000 hundred million Euro. At present, the processing method of the gear mainly comprises gear hobbing, gear shaping and gear shaving, and the highest processing precision of the three processing methods is 5 grades; the gear grinding process can process high-precision gears, the highest processing precision is above 3 levels, 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 cannot improve the gear precision. A lapping device and a lapping method (ZL 201810466326.1) for improving the machining precision of gears have been disclosed, and a high-precision gear lapping device and a lapping method have been proposed, by which a high-precision gear can be machined, but many key technologies and specific mechanisms are not given in the patent.
The relative error of two opposite grinding gear transmission ratios is not more than 2 percent, and two friction wheels and a flat belt transmission mechanism are adopted, but in the existing friction transmission mechanism, rigid friction wheels are used for transmission, the materials of the two friction wheels are quenched steel, the relative error of the transmission ratio of the friction transmission is generally 0.5-3 percent, and the transmission friction factor of the two rigid friction transmissions is only 0.1-0.2 although the requirements are met, so that slipping is easy to occur, and the inaccuracy of the transmission ratio is easy to cause; the friction transmission of the quenched steel and the rubber can reach 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 synchronous rotation of two lapping gears in a gear lapping device, the invention provides a synchronous rotation friction transmission mechanism of the gear lapping device, which combines the characteristics of flexible friction transmission and high load and the characteristics of rigid friction transmission and high rotation precision, increases transmission friction force, and respectively drives one lapping gear by two friction wheels to synchronously rotate the two lapping gears so as to correct the tooth pitch machining precision of the two lapping gears, thereby ensuring that the relative error of the transmission ratio of the two lapping gears is not more than 2 percent and simultaneously having high load capacity.
The specific technical scheme is as follows:
the synchronous rotary friction transmission mechanism of the gear lapping device comprises a driven friction belt wheel, a dense bead 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;
the U-shaped frame is provided with U-shaped grooves on the two side plates, and the grooves are used for installing bearings and mandrels; the driving friction belt wheel shaft is provided with uniformly distributed U-shaped ring grooves, the interval between every two U-shaped ring grooves is the same, the interval between the U-shaped ring grooves is more than 2mm greater than the width of the U-shaped ring grooves, 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 installing the driving flat belt A, the width of the rectangular ring groove is larger than that of the driving flat belt A, and the driving flat belt A is prevented from tilting due to friction at two side edges; firstly, three bearings are arranged on a driving friction belt wheel shaft, and the outer ring of one bearing is fixed in a connecting rod A; the other two bearing outer rings are fixed in a U-shaped groove in the U-shaped frame, and are clamped by two V-shaped clamping blocks matched with a fastening block and a fastening screw, and the bearing outer rings 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 circular surface of the driven friction belt wheel is provided with a U-shaped annular groove and a rectangular annular groove which are uniformly distributed and used for installing a rubber ring and a transmission flat belt B, the shape of the U-shaped annular groove is the same as that of the U-shaped annular groove on the driving friction belt wheel shaft, and the shape and the position of the rectangular annular grooves of the two friction wheels are consistent; a center hole is arranged on the driven friction belt wheel along the axis direction and is used for installing a dense bead shaft sleeve; the ball-sealing shaft sleeve is arranged on a mandrel, the driven friction belt wheel rotates around the mandrel, a bearing is arranged on the mandrel, the outer ring of the bearing is fixed on a connecting rod B, and the connecting rod B rotates around the mandrel; and then the whole dense bead shafting is arranged in a U-shaped groove of the U-shaped frame, the V-shaped block is used for propping up, and the mandrel is fixed relative to the U-shaped frame in a clamping state.
Further, a plurality of uniformly distributed O-shaped rubber rings are arranged in the U-shaped ring grooves of the two friction wheels, 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 the rubber rings are fixed in the U-shaped ring grooves by means of self elasticity; 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 contacted with the metal surface of the other friction wheel, the two friction wheels are also in rigid contact with the metal part, and the transmission torque is generated through the contact friction force of the two friction wheels.
Further, the maximum size of the outer ring of each rubber ring is about 1-2 mm larger than the diameter of the outer ring of the friction wheel, so that the rubber rings 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 wheels is increased, and the transmission friction force is increased.
Furthermore, a gap of 1mm is reserved between the end face of the driven friction belt wheel and the side face of the U-shaped frame, and a guide rail soft belt is stuck in the gap, so that friction force between the driven friction belt wheel and the side face of the U-shaped frame due to gravity can be reduced.
Further, the mandrel and the bottom of the U-shaped groove of the U-shaped frame have a movable allowance of 1mm, so that the adjustment space of the mandrel shafting in the groove is ensured, and after the set screw is screwed down, the two friction wheels are kept in rigid contact at all times.
Further, the rubber ring is installed in the U-shaped annular groove, the inner diameter of the rubber ring is smaller than the bottom diameter of the U-shaped annular groove, the surface roughness of the U-shaped annular groove is large, and relative sliding between the rubber ring and the friction wheel cannot occur in the friction transmission process.
Furthermore, the driven friction belt pulley shafting is in floating installation, and the contact pressure between the driven friction belt pulley and the driving friction belt pulley shaft and the pose of the driven friction belt pulley can be adjusted by adjusting the set screws at two sides, so that the bus contact rigidity of the two friction belt pulleys is ensured.
Further, 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.
The synchronous rotary friction transmission mechanism of the gear lapping device has the advantages that the synchronous rotary friction transmission mechanism has the advantages of rigid and flexible friction wheel transmission, can ensure synchronous rotary precision of the two friction wheels, and is suitable for the processing and measuring fields with higher synchronous transmission requirements.
Drawings
The synchronous rotary friction transmission mechanism of the gear lapping device in fig. 1.
Fig. 2 is a side view of the synchro-rotary friction drive mechanism.
Fig. 3 is an axial side cross-sectional view of the synchronous rotary friction drive.
Fig. 4 active friction pulley shaft.
Fig. 5 driven friction pulley.
Figure 6U type rack.
Fig. 7 driven friction wheel shaft bearing.
In the figure: 1, a driven friction belt wheel; 2 dense bead shaft sleeve; 3, a mandrel; 4, a rubber ring; a 5U-shaped frame; 6, tightly fixing the block; 7, setting a screw; 8, a shaft coupling; 9, a motor; a 10V block; 11 guide rail soft belts; 12, driving a flat belt B;12 bearings; 14V-shaped clamping blocks; 15 driving a flat belt A;16 actively friction pulley shafts; 17 connecting rod A;18 end caps; a 19 collar; 20 link B.
Detailed Description
The synchronous rotary friction transmission mechanism of the 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 the driving friction belt wheel through a direct current brushless motor, bearings are arranged at two ends of a driving friction belt wheel shaft, and the driving friction belt wheel shaft system is integrally placed into 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 bead shaft sleeve. The method of assembling and adjusting the synchro-rotary friction drive of the gear counter-grinding device is described in detail below.
First, (1) active friction pulley shafting composition and assembly method
The driving friction belt pulley shafting mainly comprises a motor 9, a coupler 8, a driving friction belt pulley shaft 16, 3 bearings 13, a V-shaped clamping block 14, a driving 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, rated torque of the motor is 1.2Nm, working voltage 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 8mm; the 3 bearings have the same model, and 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 28mm; the transmission flat belt A15 is a nylon sheet base rubber flat belt with the bandwidth of 4mm, the belt thickness of 1mm and the circumference of the outermost ring of 460mm;
the driving friction pulley shaft 16 is formed by integrating a friction pulley, a pulley and a rotary shaft, and is made of 40Cr, and after quenching, HRC is 45-50. The diameter of the stepped shaft section is 8mm, the stepped shaft section can be connected with a shaft section with the diameter of 9mm, the stepped shaft section is used for installing three 609-2Z bearings, the diameter of a pulley groove is 30mm, the width of the pulley groove is 5mm, the diameter of a friction shaft section is 36mm, the cylindricity tolerance is within 1 mu m, the circle runout tolerance is within 3 mu m based on the shaft section with the diameter of 8mm at both ends, U-shaped annular 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 the U-shaped annular groove is semicircular with the diameter of 3.5mm, the rubber ring 4 is placed in the groove, the rubber ring 4 can be fixed in the groove by means of tension, the outermost diameter of the rubber ring 4 is 37mm, and the section diameter of the rubber ring is 3.5mm; mounting the connecting rod A17 on a bearing in the middle of the shaft; after all parts on the driving friction belt wheel shaft are assembled in place, the whole is assembled into two large U-shaped ring grooves of the U-shaped frame according to the positions of bearings on two sides, the U-shaped ring grooves are matched with the outer ring of the bearing by adopting small interference, 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 two M3 screws are used for screwing the U-shaped frame.
Secondly, (2) driven friction pulley shafting composition and assembly method
The shafting of driven friction pulley mainly includes driven friction pulley 1, close pearl axle sleeve 2, dabber 3, rubber circle 4, tight fixed block 6, holding screw 7, V type piece 10, guide rail soft belt 11, transmission flat belt B12, bearing 13, connecting rod B20. The material for manufacturing the mandrel 3 is 40Cr, after quenching, HRC 45-50 is provided with a shaft section with the diameter of 9mm and used for installing a bearing, so that the bearing is in small interference fit with the shaft, the outer ring of the bearing is in interference fit with the connecting rod B12, and the shaft section with the diameter of 14mm is provided for installing a dense ball bearing; the dense bead shaft sleeve 2 uses steel balls of G3 level with the diameter of 3.965mm, the material can be selected as bearing steel or silicon nitride, the hardness is not lower than HRC60, the dense beads are uniformly divided into 5 layers, and 30 steel balls are arranged in a staggered way; the outer surface of the dense bead shaft sleeve 2 is arranged in the inner hole of the driven friction belt pulley 1, the diameter of the hole is 22mm, and the unilateral interference between the high-precision steel ball on the dense bead shaft sleeve 2 and the inner hole of the driven friction belt pulley 1 is controlled to be 0-2 mu m.
The driven friction belt pulley 1 is provided with three uniformly distributed U-shaped ring grooves and belt pulley grooves, the shape and the size of the U-shaped ring grooves and belt pulley grooves are the same as those of the driving friction belt pulley shaft 16, and the difference is that the U-shaped ring grooves on the driven friction belt pulley and the driving friction belt pulley are staggered after being assembled in place, and the interval is 5mm. The assembled driven friction belt pulley shafting is installed in a small U-shaped groove of a U-shaped frame 5, two ends of the small U-shaped groove are placed into a V-shaped block 10, one end of the V-shaped block is a plane, the other end of the V-shaped block is a V-shaped groove, an included angle is 120 degrees, 4M 3 set screws 7 are used for pushing the V-shaped block 10 to the plane end of the V-shaped block 10, the set screws 7 are screwed on the set screws 6, and 2M 3 screws are used for fastening the set screws 6 on the U-shaped frame; the driven friction belt wheel shafting adopts a floating design, the center distance of the two groups of friction rotary shafting is adjusted by two V-shaped blocks 10 in a micro-scale, and when the center distance is 36mm, the rubber ring is extruded by 0.5mm.
The two friction wheels of the synchronous rotation friction transmission mechanism of the gear lapping device provided by the invention have higher synchronous rotation precision, the relative rotation error of the two friction wheels is not more than 2%, the technical requirement of the gear lapping device is completely met, the friction transmission mechanism provided by the invention can ensure higher synchronous rotation precision, in the gear lapping device, the driving friction wheel and the driven friction wheel respectively drive the two lapping gears, and the two gears are required to have high synchronous rotation precision, so that the four M3 set screws 7 for fastening the driven friction pulley shafting are required to be adjusted, the center distance of the two friction pulley shafting is ensured to be 36mm, the two friction wheels are contacted along buses, the six rubber rings are respectively contacted with metal parts of the corresponding friction wheels, and the metal parts of the two friction wheels are also provided with contact widths. The friction transmission mechanism provided by the invention can also be used in some precise transmission chains, for example, in some occasions needing closed-loop feedback, and the output shaft is inconvenient to install the feedback device, so that the friction transmission mechanism can be applied to changing the sizes of two friction shafting according to specific working conditions, taking a driving friction shaft as the output shaft of the transmission chain, and installing the feedback device on a driven friction wheel shaft, so that the rotation data of the driving shaft can be accurately recorded in real time.
Claims (8)
1. The synchronous rotary friction transmission mechanism of the gear lapping device is characterized by comprising a driven friction belt wheel (1), a dense bead shaft sleeve (2), a mandrel (3), a rubber ring (4), a U-shaped frame (5), a tightening block (6), a tightening screw (7), a coupler (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 collar (19) and a connecting rod B (20);
the U-shaped frame (5) is provided with U-shaped grooves on two side plates, and the grooves are used for installing a bearing (13) and a mandrel (3); the driving friction belt wheel shaft (16) is provided with uniformly distributed U-shaped ring grooves, the interval between every two U-shaped ring grooves is the same, the interval between the U-shaped ring grooves is more than 2mm of the width of the U-shaped ring grooves, 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 installing the driving flat belt A (15), the width of the rectangular ring groove is larger than that of the driving flat belt A (15), and the driving flat belt A (15) is prevented from tilting due to friction of two side edges; firstly, three bearings (13) are installed on a driving friction pulley shaft (16), and 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 the 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 the motor (9) through the coupler (8), and the motor (9) rotates to drive the driving friction belt wheel shaft (16) to rotate in the bearing (13);
the outer circular surface of the driven friction belt wheel (1) is provided with uniformly distributed U-shaped ring grooves and a rectangular ring groove, the U-shaped ring grooves are used for installing a rubber ring (4) and a transmission flat belt B (12), the shape of the U-shaped ring grooves is the same as that of the U-shaped ring grooves on a driving friction belt wheel shaft (16), and the shape and the position of the rectangular ring grooves of the two friction wheels are consistent; a center hole is arranged on the driven friction belt wheel (1) along the axial direction and is used for installing a dense bead shaft sleeve (2); the ball-sealing shaft sleeve (2) is arranged on the mandrel (3), the driven friction belt wheel (1) rotates around the mandrel (3), the bearing (13) is arranged on the mandrel (3), the outer ring of the bearing (13) is fixed in the connecting rod B (20), and the connecting rod B (20) rotates around the mandrel (3); and then the whole dense bead shafting is arranged in a U-shaped groove of the U-shaped frame (5), the dense bead shafting 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 rotary 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 the rubber rings are fixed in the U-shaped ring grooves by virtue of self elasticity; 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 contacted with the metal surface of the other friction wheel, the two friction wheels are also 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 is 1-2 mm larger than the diameter of the outer ring of the friction wheel, so that the rubber ring is deformed under the condition that two friction wheels are pressed and contacted, and the contact area between the rubber ring and the rigid part of the friction wheel is increased, thereby increasing the transmission friction force.
4. The synchronous rotary friction transmission mechanism of the gear lapping device according to claim 1 or 2, wherein a gap of 1mm 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 stuck in the gap, so that friction between the driven friction pulley and the side face of the U-shaped frame due to gravity is reduced.
5. The synchronous rotary friction transmission mechanism of a gear lapping device according to claim 1 or 4, wherein the mandrel and the bottom of the U-shaped groove of the U-shaped frame have a movable allowance of 1mm, so that the adjustment space of the mandrel shafting in the groove is ensured, and after the set screw is tightened, the two friction wheels are kept in rigid contact at all times.
6. The synchronous rotary friction transmission 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 bottom diameter of the U-shaped ring groove, the surface roughness of the U-shaped ring groove is large, and no relative sliding occurs between the rubber ring and the friction wheel during the friction transmission.
7. The synchronous rotary friction transmission mechanism of the gear lapping device according to claim 1 or 2, wherein a driven friction pulley shaft is arranged in a floating mode, and the contact pressure between the driven friction pulley and a driving friction pulley shaft and the pose of the driven friction pulley are adjusted by adjusting set screws on two sides, so that the bus contact rigidity of the two friction pulleys is ensured.
8. The synchronous rotary friction transmission mechanism of the 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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| CN202110608283.8A CN113175509B (en) | 2021-06-01 | 2021-06-01 | Synchronous rotation friction transmission mechanism of gear lapping device |
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| CN202110608283.8A CN113175509B (en) | 2021-06-01 | 2021-06-01 | Synchronous rotation friction transmission mechanism of gear lapping device |
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| CN113175509B true CN113175509B (en) | 2023-10-13 |
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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 |
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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 |
| CN103286388A (en) * | 2013-06-19 | 2013-09-11 | 山东英才学院 | Gear finish machining device and method |
| JP2014018918A (en) * | 2012-07-19 | 2014-02-03 | Toyota Motor Corp | Lapping device and lapping 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 |
| CN209444764U (en) * | 2019-01-05 | 2019-09-27 | 深圳路辉物流设备有限公司 | A kind of highspeed sorters frictional drive structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019213872A1 (en) * | 2018-05-09 | 2019-11-14 | 大连理工大学 | Opposite grinding apparatus and opposite grinding method for improving machining precision of gears |
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2021
- 2021-06-01 CN CN202110608283.8A patent/CN113175509B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN209444764U (en) * | 2019-01-05 | 2019-09-27 | 深圳路辉物流设备有限公司 | A kind of highspeed sorters frictional drive structure |
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