CN209831316U - High-temperature-resistant high-rotation-speed gear lapping fixture for producing central transmission gear - Google Patents

Abstract

The utility model discloses a high temperature resistant high rotational speed central drive gear production is with lapping tooth anchor clamps, it stretches out the rotation plug including lapping tooth power take off head left, the right-hand member of rotation plug passes through the rotation dabber of a ball-type of bolt fixedly connected with, the rotation dabber is equipped with a right connection plug, the left end opening part sphere cooperation of rotation dabber and connection plug, it has a nut to revolve from the left end of connecting the plug right, the left section inner wall of nut and the right section screw-thread fit of rotation plug, the right section outer wall of nut and the left end opening part inner wall screw-thread fit of being connected the plug, the right-hand member of connecting the plug is through connecting screw and a grinding plug of connecting nut fixedly connected with.

Description

High-temperature-resistant high-rotation-speed gear lapping fixture for producing central transmission gear

Technical Field

The utility model belongs to the technical field of circular arc bevel gear mechanism is relevant, concretely relates to production of high temperature resistant high rotational speed central drive gear is with lapping tooth anchor clamps.

Background

The gear is used as a basic transmission element in mechanical transmission and is widely applied to the fields of industry, agriculture, medicine, national defense and military, aerospace and the like. The development of modern industrial equipment further increases the requirements on the quality and performance of gear transmission parts, and diversified gear meshing forms and diversified tooth-shaped structures corresponding to the gear meshing forms appear.

The prior central transmission gear technology has the following problems: the meshing principle of the involute bevel gear mechanism of the existing central transmission gear follows the curved surface meshing theory, so that the problems that the service life and the reliability of a gear pair are seriously influenced and the bearing capacity is limited due to common failure modes of gear transmission such as tooth surface abrasion, tooth surface gluing, tooth surface plastic deformation and the like cannot be avoided. In addition, a high-temperature-resistant high-rotating-speed central transmission gear production line and a processing technology are urgently needed.

The requirement for gear lapping is high in the production process of the high-temperature-resistant high-rotation-speed central transmission gear, so that a gear lapping fixture for producing the high-temperature-resistant high-rotation-speed central transmission gear is also required to be used for gear lapping operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature resistant high rotational speed central drive gear to solve the current central drive gear flank of tooth wearing and tearing that proposes in the above-mentioned background art, flank of tooth veneer and flank of tooth plastic deformation etc. gear drive's general inefficacy form, and bearing capacity is also limited problem.

In order to achieve the above object, the utility model provides a following technical scheme:

high temperature resistant high rotational speed central drive gear production is with lapping tooth anchor clamps, it includes that lapping tooth power take off head stretches out the rotation plug left, the right-hand member of rotation plug passes through a spherical rotation dabber of bolt fixedly connected with, the cover is equipped with a connection plug right on the rotation dabber, the rotation dabber cooperates with the left end opening part sphere of connecting the plug, it has a nut to revolve right from the left end of connecting the plug, the left section inner wall of nut and the right section screw-thread fit of rotation plug, the right section outer wall of nut and the left end opening part inner wall screw-thread fit of connecting the plug, the right-hand member of connecting the plug passes through connecting screw and connecting nut fixedly connected with one and grinds the plug.

The production line of the high-temperature-resistant high-rotation-speed central transmission gear sequentially comprises a normalizing device, a high-temperature tempering device, a rough turning device, an ultrasonic flaw detection device, a semi-finish turning gear blank device, a rough grinding reference device, a gear milling device, a chamfering and deburring device, an anti-seepage coating device, a carburizing device, a first tempering device, a shot blasting device, a carbonitriding device, a quenching device, a cold treatment device, a second tempering device, a shot blasting device, a copper removing device, a gear grinding device, a second semi-finish grinding reference device, a finish turning device, a drilling device, a stress-relief tempering device, a third semi-finish grinding reference device, an arc tooth grinding device, a finish grinding excircle, an inner hole device, a rounding polishing device, a magnetic particle flaw detection device, an acid etching detection device, a finished product detection device and a cleaning device from front to back; wherein the lapping device comprises the lapping fixture for producing the high-temperature-resistant high-rotating-speed central transmission gear.

The shot blasting device comprises a shot blasting chamber, shot blasting ports are arranged on the upper, lower, left, right, front and rear sides of the shot blasting chamber, a floating seat is arranged on each of the front side and the rear side of the shot blasting chamber, a hanging rod is supposed to be arranged between two hanging rod supporting seats, a semi-finished product to be shot blasted is hung on each hanging rod, each hanging rod supporting seat comprises a fixed seat, an upward lifting seat is arranged in each fixed seat, control bases are arranged on the left and right sides of each lifting seat, a control gear is arranged at the inner side edge of each control base, lifting racks are arranged on the left and right sides of each lifting seat, the control gear is matched with the lifting racks, a floating seat is connected to the top of each lifting seat, a guide sleeve is connected between the left section and the right section of the bottom of the floating seat and the left section and the right section of the top of the, the supporting seat is used for placing a hanging rod, the left section and the right section of the top of the floating seat are respectively provided with an oil cylinder mounting seat, a floating oil cylinder which points to the upper portion of the supporting seat in the transverse direction is mounted on the oil cylinder mounting seat, a transverse floating oil cylinder guide groove is formed in the oil cylinder mounting seat and located above and below the floating oil cylinder, a transverse floating spring is arranged between a cylinder body of the floating oil cylinder and the oil cylinder mounting seat, the telescopic end of the floating oil cylinder is provided with a roller, and the roller abuts against the upper half section of the hanging rod.

The drilling device comprises an angle adjusting frame positioned on the drilling machine platform and a drill bit above the angle adjusting frame, the angle adjusting frame comprises a fixed base plate, the right end of the fixed base plate is hinged with an adjusting plate which is inclined to the left and above through an adjusting rotating shaft, the adjusting plate is provided with a pointer rod which is inclined to the left and above and is parallel to the plate surface of the adjusting plate in an inclined manner, the left end of the fixed base plate is upwards provided with an alignment rod, the alignment rod is provided with vertical scales, in addition, the alignment rod is provided with an angle indicator which can lift up and down along the alignment rod, the adjusting device is characterized in that a transverse moving groove which is transversely arranged is arranged on the fixed base plate, a vertical adjusting support frame is upwards connected onto the transverse moving groove, the lower end of the adjusting support frame and the transverse moving groove are locked through a first nut, and the upper end of the adjusting support frame and an adjusting rod which longitudinally extends out of the adjusting plate are locked through a second nut. .

Compared with the prior art, the utility model provides a high temperature resistant high rotational speed central drive gear possesses following beneficial effect: the utility model relates to a but in high temperature resistant high rotational speed central drive gear through compare traditional plane orthogonal axis driven straight bevel gear at the spiral arc tooth, the bigger tooth thickness of mechanism design such as skewed tooth bevel gear, thereby higher intensity and rigidity have, possess bigger bearing capacity, and be fit for small, micromachine and conventional machinery field popularization and application, and this spiral arc tooth's meshing is the no relative sliding engagement transmission of point contact, consequently can avoid flank of tooth wearing and tearing in the gear transmission, veneer and flank of tooth plastic deformation, high transmission efficiency. In addition, the high-temperature-resistant and high-rotation-speed central transmission gear production gear lapping fixture is used for lapping, the lapping efficiency and quality are improved, and the high-temperature-resistant and high-rotation-speed central transmission gear production line can be used for carrying out streamlined production on the high-temperature-resistant and high-rotation-speed central transmission gear, so that the production efficiency is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of a central transmission gear structure provided by the present invention;

fig. 2 is a schematic view of a bull wheel structure provided by the present invention;

fig. 3 is a schematic view of a helical circular-arc tooth structure of a small wheel provided by the utility model;

fig. 4 is a schematic view of a transition fillet structure provided by the present invention;

FIG. 5 is a schematic view of a high temperature and high rotational speed resistant central transmission gear production line.

Fig. 6 is a schematic view of a blasting apparatus.

Fig. 7 is a sectional view a-a of fig. 6.

FIG. 8 is a schematic view of a lapping device.

Fig. 9 is a schematic view of an angle adjustment bracket.

In the figure: 1. a large gear helical tooth; 2. a bull wheel; 21. a tooth sheet connecting end; 22. a bull wheel axle bore; 3. a small wheel is provided with a spiral circular arc tooth; 4. a small axle hole; 5. transition fillets; 51. a groove; 52. a body; 53. a clamping block; 6. a connecting shaft; 7. a small wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a high temperature resistant high rotational speed central drive gear, including bull wheel helical tooth 1, bull wheel 2, the flight link 21, bull wheel shaft hole 22, bull wheel spiral circular arc tooth 3, bull wheel shaft hole 4, transition fillet 5, recess 51, body 52, fixture block 53, connecting axle 6 and bull wheel 7, the outside surface of bull wheel 2 is connected with bull wheel helical tooth 1, the outside of bull wheel 2 is connected with bull wheel 7 through bull wheel helical tooth 1 meshing transmission, the surface of bull wheel 7 is provided with bull wheel spiral circular arc tooth 3, and bull wheel 7 is connected with bull wheel spiral tooth 1 meshing transmission on the bull wheel 2 through bull wheel spiral circular arc tooth 3, the inside of bull wheel 7 is provided with connecting axle 6, outside a week of connecting axle 6 is provided with transition fillet 5, the inside of connecting axle 6 is provided with bull wheel shaft hole 4.

Further, bull wheel 2 includes bull wheel shaft hole 22 and teeth piece link 21, and bull wheel shaft hole 22's external connection has teeth piece link 21, and bull wheel 2 passes through teeth piece link 21 and bull wheel helical tooth 1 fixed connection.

Further, the large wheel 2 and the small wheel 7 are both conical structures.

Further, the transition fillet 5 comprises a groove 51, a body 52 and a fixture block 53, the groove 51 is arranged on the lower side of the right end of the body 52, the fixture block 53 is arranged on the right end of the groove 51, and the transition fillet 5 is fixedly connected with the small axle hole 4 through the fixture block 53.

Further, the small axle hole 4 is of a cylindrical structure, and the length of the small axle hole 4 is three centimeters.

Furthermore, the large wheel 2 and the small wheel 7 are both made of 12Cr1MoV metal materials.

Further, the inner wall of the small axle hole 4 is a smooth surface.

The utility model discloses a theory of operation and use flow: when the central transmission gear is used, a connecting shaft of external equipment is respectively inserted into a large gear shaft hole 22 in a large gear 2 and the small gear shaft hole 4 in a small gear 7 for connection, the connected equipment can start to work, when the central transmission gear works, the external equipment drives the large gear 2 to rotate as the large gear helical teeth 1 outside the large gear 2 and the small gear helical arc teeth 3 outside the small gear 7 are meshed with each other for transmission, the large gear 2 drives the small gear helical arc teeth 3 to move by utilizing the large gear helical teeth 1 outside, so that the small gear 7 is driven to move, further the connecting equipment inside the small gear shaft hole 4 is driven to rotate, and the small gear helical arc teeth 3 can be designed to have larger tooth thickness compared with the traditional straight bevel gear, oblique bevel gear and other mechanisms which are driven by a plane orthogonal shaft, so that the central transmission gear has higher strength and rigidity and has larger bearing capacity, the small-wheel spiral arc tooth 3 is suitable for popularization and application in the fields of micro, micro-machinery and conventional machinery, and the meshing of the small-wheel spiral arc tooth 3 is point-contact non-relative-sliding meshing transmission, so that tooth surface abrasion, gluing and tooth surface plastic deformation in gear transmission can be avoided, and the transmission efficiency is high.

The large wheel and the small wheel of the high-temperature-resistant high-rotating-speed central transmission gear are produced by a high-temperature-resistant high-rotating-speed central transmission gear production line, and the high-temperature-resistant high-rotating-speed central transmission gear production line sequentially comprises a normalizing device 100, a high-temperature tempering device 200, a rough turning device 300, an ultrasonic flaw detection device 400, a semi-fine turning gear blank device 500, a rough grinding reference device 600, a gear milling device 700, a chamfering and deburring device 800, an impermeable coating device 900, a carburizing device 1000, a first tempering device 1100, a shot blasting device 1200, a first semi-fine grinding reference device 1300, a copper plating device 1400, a gear shaping device 1500, a carbon and nitrogen co-infiltrating device 1600, a quenching device 1700, a cold treatment device 1800, a second tempering device 1900, a shot blasting device 2000, a copper removing device, a gear grinding device 2200, a second semi-fine grinding reference device 2300, a fine turning device 2400, a, The third semi-fine grinding reference device 2700, the arc tooth grinding device 2800, the outer circle fine grinding, the inner hole device 2900, the rounding and polishing device 3000, the magnetic powder inspection device 3100, the acid etching inspection device 3200, the finished product inspection device 3300 and the cleaning device 3400.

The processing technology of the high-temperature-resistant high-rotating-speed central transmission gear comprises the following steps:

forging → normalizing + high temperature tempering → rough turning → ultrasonic testing → semi-finish turning of tooth blank → rough grinding datum → milling tooth → chamfering deburring → coating of anti-seepage coating → carburizing, tempering → shot blasting → semi-finish grinding datum → copper plating → gear shaping → carbonitriding → quenching, cold treatment, tempering → shot blasting → decoppering → grinding tooth → semi-finish grinding datum → finish turning → drilling → de-stressing tempering → semi-finish grinding datum → grinding arc tooth → finish grinding outer circle, inner hole → rounding polishing → magnetic powder testing → acid etching testing → finished product testing → cleaning → assembling → packaging and warehousing.

Wherein:

the shot blasting device 2000 comprises a shot blasting chamber 2001, shot blasting ports 2002 are respectively arranged at the upper, lower, left, right, front and rear sides of the shot blasting chamber 2001, a hanging rod supporting seat 2003 is respectively arranged at the front side and the rear side in the shot blasting chamber 2001, a hanging rod 2004 is supposed between the two hanging rod supporting seats 2003, a semi-finished product 2005 to be shot blasted is hung on the hanging rod 2004, the hanging rod supporting seats 2003 comprise fixed seats 2003.1, an upward lifting seat 2003.2 is arranged in the fixed seats 2003.1, control bases 2003.3 are respectively arranged at the left side and the right side of the lifting seat 2003.2, control gears 2003.5 are arranged at the inner side edges of the control bases 2003.3, lifting racks 2003.6 are arranged at the left side and the right side of the lifting seat 2003.2, the control gears 2003.5 and the lifting racks 2003.6 are mutually matched, the top of the lifting seat 2003.2 is connected with a hanging rod supporting seat 2003.7, a guide sleeve is respectively connected between the left section and the right section, a lifting floating spring 2003.8 is arranged in the guide sleeve, a support 2003.9 with a concave arc top surface is arranged at the top center of the hanging rod support 2003.7, a hanging rod 2004 is placed on the support 2003.9, a cylinder mounting seat 2003.10 is respectively arranged at the left section and the right section of the top of the hanging rod support 2003.7, a floating cylinder 2003.11 transversely pointing above the support 2003.9 is arranged on the cylinder mounting seat 2003.10, a transverse floating cylinder guide groove 2003.12 is arranged above and below the floating cylinder 2003.11 in the cylinder mounting seat 2003.10, a transverse floating spring 2003.13 is arranged between the cylinder body of the floating cylinder 2003.11 and the cylinder mounting seat 2003.10, a roller 2003.4 is arranged at the telescopic end of the floating cylinder 2003.11, the roller 2003.4 abuts against the upper half section of the hanging rod 2004, and when the shot blasting device 2000 performs the operation, the semi-finished product 2005 is hit by the acting force of shot blasting, so that eight sides of the semi-finished product 2005 are different in size, The forces with different directions are not uniform, and then the semi-finished products are shelved and floated in the vertical and horizontal directions on the hanging rod, so that the stress complexity is increased, and the shot blasting quality is improved.

The lapping device 2200 comprises a lapping power output head which extends out of a lapping clamp leftwards, the lapping clamp comprises a rotating core rod 2201, the right end of the rotating core rod 2201 is fixedly connected with a spherical rotating core rod 2203 through a bolt, the rotating core rod 2203 is sleeved with a right connecting core rod 2204, the rotating core rod 2203 is in spherical fit with an opening at the left end of the connecting core rod 2204, a nut 2202 is screwed rightwards from the left end of the connecting core rod 2204, the inner wall of the left section of the nut 2202 is in threaded fit with the right section of the rotating core rod 2201, the outer wall of the right section of the nut 2202 is in threaded fit with the inner wall of the opening at the left end of the connecting core rod 2204, and the right end of the connecting core rod 2204 is fixedly connected with a grinding core rod 2206 through a connecting screw 2205 and; when the lapping device 2200 is used for lapping, a certain load is required on the workpiece to be lapped; the realization principle is as follows: the rotating core rod 2201 has the function of axial forward and backward movement; the rotating mandrel 2203 and the connecting core rod 2204 are connected with a certain degree of freedom in a spherical manner; the workpiece to be processed is connected with the equipment spindle and can rotate in two directions, and the part can drive the grinding spindle to rotate after rotating, so that a certain load can be generated.

The drilling device 2500 comprises an angle adjusting frame and a drill bit, the angle adjusting frame is positioned on a drilling machine table, the drill bit is positioned above the angle adjusting frame, the angle adjusting frame comprises a fixed base plate 2501, the right end of the fixed base plate 2501 is hinged with an adjusting plate 2503 which is obliquely and leftwards and upwards through an adjusting rotating shaft 2502, the adjusting plate 2503 is provided with an indicator rod 2504 which is obliquely and leftwards and upwards, the indicator rod 2504 is obliquely parallel to the plate surface of the adjusting plate 2503, the left end of the fixed base plate 2501 is upwards provided with an aligning rod 2505, the aligning rod 2505 is provided with vertical scales, in addition, the aligning rod 2505 is provided with an angle indicator 2506, the angle indicator 2506 can vertically lift along the aligning rod 2505, the fixed base plate 2501 is provided with a transverse moving groove 2507 which is transversely arranged, the transverse moving groove 2507 is upwards connected with a vertical adjusting support 2508, the lower end of the adjusting support 2508 is locked with, the upper end of the adjusting support 2508 is locked with an adjusting rod 2511 which longitudinally extends out of the adjusting plate 2503 through a second nut 2510. When drilling device 2500 bored the inclined hole operation, loosened first nut and second nut, adjusted vertical regulation support frame, observed the finger rod and counterpoint the position relation of pole and angle indicator's angle indication, after the required inclination is appointed to the regulating plate, locked first nut and second nut, then fixed part drills on the regulating plate.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (1)

1. The high-temperature-resistant high-rotating-speed central transmission gear production gear lapping fixture is characterized by comprising a lapping power output head, wherein a rotating core rod (2201) extends leftwards, the right end of the rotating core rod (2201) is fixedly connected with a spherical rotating core rod (2203) through a bolt, a rightward connecting core rod (2204) is sleeved on the rotating core rod (2203), the rotating core rod (2203) is in spherical fit with an opening at the left end of the connecting core rod (2204), a nut (2202) is screwed rightwards from the left end of the connecting core rod (2204), the inner wall of the left section of the nut (2202) is in threaded fit with the right section of the rotating core rod (2201), the outer wall of the right section of the nut (2202) is in threaded fit with the inner wall of the opening at the left end of the connecting core rod (2204), and the right end of the connecting core rod (2204) is fixedly connected with a grinding core rod (2206) through.