CN116460374A - Radial positioning structure for machining large gear ring and positioning method thereof - Google Patents
Radial positioning structure for machining large gear ring and positioning method thereof Download PDFInfo
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- CN116460374A CN116460374A CN202310450549.XA CN202310450549A CN116460374A CN 116460374 A CN116460374 A CN 116460374A CN 202310450549 A CN202310450549 A CN 202310450549A CN 116460374 A CN116460374 A CN 116460374A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000003754 machining Methods 0.000 title claims abstract description 16
- 230000006835 compression Effects 0.000 claims abstract description 13
- 238000007906 compression Methods 0.000 claims abstract description 13
- 230000009471 action Effects 0.000 claims description 36
- 230000005540 biological transmission Effects 0.000 claims description 25
- 238000005520 cutting process Methods 0.000 claims description 25
- 238000003825 pressing Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 11
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 244000309464 bull Species 0.000 claims 2
- 230000006978 adaptation Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000036346 tooth eruption Effects 0.000 description 1
- 210000003781 tooth socket Anatomy 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/02—Loading, unloading or chucking arrangements for workpieces
- B23F23/06—Chucking arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F17/00—Special methods or machines for making gear teeth, not covered by the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses a radial positioning structure for machining a large gear ring and a positioning method thereof, the radial positioning structure comprises a base and a gear ring, wherein the gear ring is coaxially arranged above the base, a driving component for supporting the gear ring to rotate is fixed at the top of the base, a positioning tooth block which stretches into the inner side of the gear ring and is meshed with inner teeth on the inner circumference of the gear ring is fixed at the top of the base, a movable component is arranged above the base, a supporting component for supporting the movable component and the positioning tooth block to move up and down is arranged on the inner side of the base, and an auxiliary component is arranged between the supporting component and the movable component. The beneficial effects are that: according to the invention, the plurality of groups of compression rollers for supporting the rotation of the gear rings are arranged above the base, and the positions of the plurality of groups of compression rollers can be synchronously adjusted through the locking motor in the middle, so that the gear rings placed in the middle of the plurality of groups of compression rollers are automatically centered and locked and clamped, the supporting positions of the clamps do not need to be manually adjusted, the clamping is more convenient, the distance between adjacent internal teeth is ensured to be always consistent, and the quality of the gear rings is ensured.
Description
Technical Field
The invention relates to the field of machining equipment, in particular to a radial positioning structure for machining a large gear ring and a positioning method thereof.
Background
The ring gear part is the basic part of the machine or component, which connects the relevant parts in one piece, so that the parts remain in the correct relative position and work in concert with each other. Thus, the precision of the manufacture of the ring gear parts will directly affect the quality of the assembly of the machine or parts, which in turn affects the usability and the life of the machine. The gear ring generally has higher technical requirements, the gear ring part has various different structural types due to the structural characteristics of a machine and different functions of the gear ring in the machine, but the common characteristics are that the inside of the structure is in a cavity shape, an inner cavity is firstly needed to be cut out when the large gear ring is processed, and then the inner tooth socket is processed after the inner hole is bored, however, the angle of adjacent inner teeth is completely controlled by virtue of a rotating part for fixing the whole large gear ring in the process of cutting the inner teeth along the axial direction of the large gear ring, the large gear ring is inconvenient to clamp in a three-jaw chuck and other types of clamps due to the large integral structure of the large gear ring, the stability is poor in the rotating process, defective products are very easy to generate or even be scrapped due to angle deviation in the rotating gear cutting process, and the precision of the gear ring processing process is poor.
Disclosure of Invention
The invention aims to solve the problems and provide a radial positioning structure for processing a large gear ring and a positioning method thereof, which are used for automatically centering and locking and clamping the gear rings placed in the middle parts of a plurality of groups of press rolls, do not need to manually adjust the supporting positions of clamps, are more convenient to clamp, can adjust the positions of the gear rings through a driving assembly to perform grooving actions of the next group of internal teeth, and ensure the quality of products, and are explained in detail below.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the invention provides a radial positioning structure for processing a large gear ring, which comprises a base and a gear ring, wherein the gear ring is coaxially arranged above the base, a driving component for supporting the gear ring to rotate is fixed at the top of the base, a positioning tooth block which stretches into the inner side of the gear ring and is meshed with inner teeth on the inner circumference of the gear ring is fixed at the top of the base, a movable component is arranged above the base, a supporting movable component and a supporting component for supporting the positioning tooth block to move up and down are arranged on the inner side of the base, and an auxiliary component is arranged between the supporting component and the movable component;
two guide rods extending vertically are penetrated in parallel in the positioning tooth block, the bottom ends of the guide rods are horizontally bent and fixed on the top side of the base, limiting discs are fixed on the top ends of the guide rods, and springs for keeping the positioning tooth block to be propped downwards are sleeved outside the guide rods below the limiting discs.
Preferably, the base comprises a disc-shaped supporting ring, a disc-shaped installation disc is coaxially arranged above the supporting ring, a plurality of groups of transmission frames extending outwards in the radial direction of the installation disc are uniformly distributed on the outer circumference of the installation disc, the transmission frames are rectangular frame bodies, and a plurality of groups of supporting rods vertically connected to the top side of the supporting ring are fixed on the outer sides of the transmission frames.
Preferably, the support frames are in sliding fit with sliding blocks, the sliding blocks are adapted to the I-shaped structures of the support frames, a plurality of groups of mounting grooves are formed in the mounting plate, screws are in running fit with the support frames through bearings, the screws penetrate through the sliding blocks and are in threaded fit with the sliding blocks, one end of each inner side of each screw extends into each mounting groove, and a synchronous gear with one end extending out of each mounting groove from the bottom side is fixed to one end of each inner side of each screw.
Preferably, a locking motor is fixed at the center of the top of the mounting plate, the output end of the locking motor penetrates out of the mounting plate downwards, fluted discs for meshing a plurality of groups of synchronous gears are fixed at the output end of the locking motor, a plurality of groups of slide blocks are in top of the slide blocks and are in rolling fit with a pressing roller, and the pressing roller is of a grooved wheel structure clamped to the outer circumference side of the toothed ring.
Preferably, the driving assembly comprises a motor base fixed on the outer side of the sliding block, a driving motor is fixed on the top side of the motor base, the output end of the driving motor extends downwards to the inner side of the motor base and is in transmission connection with the compression roller through a coupler, a fixing base fixed on the top side of the supporting ring in a welded mode is arranged at the bottom end of the guide rod, a driven rack is fixed on the rear side of the positioning tooth block, and an inclined chip removing surface for guiding chips to drop towards the inner side of the supporting ring is arranged on the top side of the positioning tooth block.
Preferably, the bearing assembly comprises a bottom plate transversely fixed on the top side of the bearing ring, fixing holes penetrating through screws to be connected with the bearing ring are respectively fixed on four corners of the bottom plate, four groups of limiting frames which are distributed in a rectangular mode to support the movable assembly are arranged on the top of the bottom plate, and locking frames for supporting the auxiliary assembly are fixed on the outer side of the bottom plate.
Preferably, the movable assembly comprises a cylinder fixed at the top of the limiting frame, the telescopic end of the cylinder extends downwards into the limiting frame, the telescopic end of the cylinder is fixedly provided with a rotating frame, the rotating frame is a C-shaped frame body with a downward opening, the rotating frame is in vertical sliding fit with the limiting frame, a slotting motor is arranged at the rear side of the rotating frame, an upper gear is fixed at the output end of the bottom of the slotting motor, and a slotting assembly for cutting out internal teeth is arranged at the bottom of the movable assembly.
Preferably, the grooving assembly comprises a longitudinal shaft rotatably arranged in the middle of the rotating frame, a lower gear meshed with the upper gear is fixed at the end part of the longitudinal shaft, the upper gear and the lower gear are of a bevel gear structure meshed with each other, and a disc-shaped cutter is fixed in the middle of the longitudinal shaft.
Preferably, the driving rack extending vertically is fixed at the rear side of the rotating frame, the auxiliary assembly comprises a vertical frame vertically fixed in the locking frame, an auxiliary shaft is rotatably arranged at the top of the vertical frame, and the two sides of the auxiliary shaft are fixed on the outer side of the auxiliary shaft to be respectively meshed with the driving rack and the central gear of the driven rack.
The positioning method of the radial positioning structure for machining the large gear ring comprises the following steps:
a. when the gear ring is required to be clamped so as to open the internal teeth, firstly, the gear ring is placed between a plurality of groups of press rollers, a locking motor drives a fluted disc to rotate, a plurality of groups of synchronous gears are meshed by the fluted disc so as to drive a plurality of groups of screw rods to synchronously rotate, and the sliding blocks are driven to radially move along the gear ring under the guidance of a transmission frame by the screw thread matching action of the screw rods and the sliding blocks, so that the intervals of the press rollers at the tops of the plurality of groups of sliding blocks are synchronously adjusted, the plurality of groups of press rollers are synchronously abutted against the outer circumference of the gear ring, the gear ring and a supporting ring are simultaneously ensured to automatically maintain a concentric state, and the self-centering clamping process of the gear ring is completed;
b. when the inner circumference of the gear ring is cut, the cylinder is used for driving the rotating frame and the grooving assembly to move upwards, the rotating frame is used for driving the driving rack to move upwards, the driven rack and the positioning tooth block are driven to move downwards synchronously under the transmission action of the central gear, the rotating frame is pulled upwards by the shrinkage of the telescopic end of the cylinder until the driven rack moves downwards to a position separated from the central gear, at the moment, the positioning tooth block keeps the driven rack at the rear side of the positioning tooth block to be pressed downwards all the time under the compression action of the upper spring, and then the separation state of the driven rack and the central gear is kept all the time;
c. when the rotating frame is pulled upwards to drive the driven rack to move downwards to be separated from the central gear, the rotating frame is pushed downwards by the air cylinder to drive the grooving assembly to move downwards, the longitudinal shaft and the cutter head are driven to rotate by the grooving motor, the inner circumference of the gear ring is cut into inner teeth by rotating action in the downward moving process of the cutter, the lifting grooving action of the air cylinder and the rotating action of the driving motor on the press roller are alternately performed, so that the cutter is separated from the inner teeth after a group of inner teeth are cut, and at the moment, the driving motor is used for driving the press roller to rotate to drive the gear ring to rotate by an angle of one inner tooth, and then the grooving action of a plurality of inner teeth is alternately performed;
d. the gear ring continuously rotates to cut grooves, when the position of internal teeth cut out by the gear ring rotates to the position corresponding to the driven gear rack, and the cutter is ensured to be positioned above the gear ring and not to be in contact with the gear ring, at the moment, the driven gear rack is pushed upwards to be meshed with the central gear, at the moment, when the cylinder moves downwards to enable the cutter to contact the gear ring to perform gear cutting action, the lower movement of the rotating frame and the driving gear rack is utilized to be matched with the central gear to drive the driven gear rack and the positioning gear block to move upwards, the positioning gear block is in transmission connection with the rotating frame, and the positioning gear block can be driven to move upwards to be clamped into the cut internal teeth when the lower movement of the rotating frame is ensured to realize the groove cutting action;
e. the positioning tooth block is moved upwards to be clamped into the internal teeth so as to position the rotary cutting tooth action of the gear ring, the positioning tooth block is utilized to position the grooving position of the cutting tool on the gear ring under the condition that the angle between the positioning tooth block and the cutting tool is always fixed on the horizontal plane, the positioning tooth block is ensured to be correctly clamped into the position of the internal teeth which are already cut, the cutting tool can move downwards to cut the teeth under the support of the rotating frame, and in addition, the inclined-plane chip removing surface on the top side of the positioning tooth block is utilized to push and discharge chips on the inner side of the cut internal teeth, so that the subsequent cleaning of chips is not needed for the gear ring.
The beneficial effects are that: according to the invention, the plurality of groups of compression rollers for supporting the rotation of the gear rings are arranged above the base, and the positions of the plurality of groups of compression rollers can be synchronously adjusted through the locking motor in the middle, so that the gear rings placed in the middle of the plurality of groups of compression rollers are automatically centered and locked and clamped, the supporting positions of the clamps do not need to be manually adjusted, and the clamping is more convenient;
in addition, a positioning tooth block capable of moving reversely with the cutter is arranged above the base, the cutter moves downwards to perform internal tooth grooving action, and meanwhile, the positioning tooth block is pushed to move upwards to be clamped into the already cut internal tooth so as to position the rotary grooving position of the cutter, the distance between adjacent internal teeth is ensured to be consistent all the time, and the quality of the gear ring is ensured;
when the cutter moves upwards to separate from the gear ring, the positioning tooth block moves downwards to separate from the gear ring synchronously, at the moment, the gear ring is in a free state, the gear ring position can be adjusted through the driving component to perform grooving action of the next group of internal teeth, continuity of gear ring gear cutting teeth is guaranteed, in addition, the inclined plane-shaped chip removing surface on the top surface of the positioning tooth block can be utilized to push and discharge chips remained on the inner side of the internal teeth while the positioning tooth block periodically moves upwards and downwards, and then positioning and cleaning actions are automatically completed in the gear ring rotating and gear cutting process, so that the cutter is convenient to use.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view block diagram of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic view of the structural disassembly of the present invention;
FIG. 4 is a schematic perspective view of a base of the present invention;
FIG. 5 is a partially disassembled schematic illustration of the present invention;
FIG. 6 is a schematic perspective view of another aspect of the present invention;
fig. 7 is a top view of the structure of the present invention.
The reference numerals are explained as follows:
1. a base; 101. a support ring; 102. a mounting plate; 103. a transmission frame; 104. a support rod; 105. a screw; 105a, a synchronizing gear; 106. a slide block; 106a, a press roller; 107. locking a motor; 107a, fluted disc; 2. a drive assembly; 201. a driving motor; 202. a motor base; 3. a gear ring; 301. internal teeth; 4. positioning the tooth block; 401. a guide rod; 402. a limiting disc; 403. a spring; 404. a fixing seat; 405. a driven rack; 406. chip removal surface; 407. a guide hole; 5. a support assembly; 501. a bottom plate; 502. a limiting frame; 503. locking the frame; 504. a fixing hole; 6. a movable assembly; 601. a cylinder; 602. a rotating frame; 603. a slotting motor; 603a, side brackets; 604. a top gear; 605. a driving rack; 7. a slot assembly; 701. a longitudinal axis; 701a, a lower gear; 702. a cutterhead; 8. an auxiliary component; 801. a vertical frame; 802. an auxiliary shaft; 803. a sun gear.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
Referring to fig. 1-7, the invention provides a radial positioning structure for machining a large gear ring, which comprises a base 1 and a gear ring 3, wherein the gear ring 3 is coaxially arranged above the base 1, a driving component 2 for supporting the gear ring 3 to rotate is fixed at the top of the base 1, a positioning tooth block 4 which stretches into the inner side of the gear ring 3 and is meshed with an inner tooth 301 on the inner circumference of the gear ring 3 is fixed at the top of the base 1, the gear ring 3 is fixed above the base 1 for grooving the inner tooth 301, a movable component 6 is arranged above the base 1, a supporting component 5 for supporting the movable component 6 and the positioning tooth block 4 to move up and down is arranged at the inner side of the base 1, an auxiliary component 8 is arranged between the supporting component 5 and the movable component 6, and the auxiliary component 8 is used for connecting the movable component 6 in a transmission way through the positioning tooth block 4;
two guide rods 401 extending vertically to support the positioning tooth block 4 to slide vertically extend in parallel in the positioning tooth block 4, guide holes 407 penetrate through the positioning tooth block 4, the positioning tooth block 4 is matched with the guide rods 401 vertically in a sliding mode through the guide holes 407, the bottom ends of the guide rods 401 are horizontally bent and fixed on the top side of the base 1, limiting plates 402 are fixed on the top ends of the guide rods 401, and springs 403 for keeping the positioning tooth block 4 to be abutted downwards are sleeved on the outer sides of the guide rods 401 below the limiting plates 402.
As an alternative implementation manner, the base 1 comprises a disc-shaped supporting ring 101, a disc-shaped mounting plate 102 is coaxially arranged above the supporting ring 101, a plurality of groups of transmission frames 103 extending outwards along the radial direction of the mounting plate 102 are uniformly distributed on the outer circumference of the mounting plate 102, the transmission frames 103 are rectangular frames, support rods 104 vertically connected to the top side of the supporting ring 101 are fixed on the outer sides of the plurality of groups of transmission frames 103, sliding blocks 106 are slidably matched in the plurality of groups of supporting frames, the sliding blocks 106 are of an I-shaped structure matched with the supporting frames, sliding stability of the sliding blocks 106 in the supporting frames is ensured, a plurality of groups of mounting grooves are formed in the mounting plate 102, a screw 105 is rotatably matched in the supporting frames in a rotating manner, the screw 105 is rotatably matched with the supporting frames through a thrust bearing, the screw 105 penetrates through the sliding blocks 106 and is in threaded engagement with the sliding blocks 106, one end of the inner side of the screw 105 stretches into the mounting grooves, a synchronous gear 105a of the bottom side of the inner side of the screw 105 is fixed with one end of the synchronous gear 105, a locking motor 107 is fixedly arranged at the top center of the mounting plate 102, the output end of the locking motor 107 downwards penetrates out of the mounting plate 102, the sliding blocks 107 are fixedly meshed with the synchronous gears 105a, the sliding blocks 107a are rotatably matched with the tops of the toothed disc 107a, and the upper sides of the sliding blocks 106a can be tightly matched with the outer circumference of the pressing roller 106a, and the pressing roller 106a can be tightly matched with the outer circumference of the pressing roller 106a is tightly matched with the outer circumference of the pressing roller 106a 3;
the driving assembly 2 comprises a motor seat 202 fixed on the outer side of the sliding block 106, a driving motor 201 is fixed on the top side of the motor seat 202, the output end of the driving motor 201 extends downwards to the inner side of the motor seat 202 and is connected with a compression roller 106a through a coupling in a transmission manner, the driving motor 201 is a servo motor with a built-in band brake, the driving motor 201 is ensured to be capable of braking and locking the compression roller 106a, the position supporting stability of the gear ring 3 is ensured, a fixed seat 404 welded and fixed on the top side of the supporting ring 101 is arranged at the bottom end of a guide rod 401, a driven rack 405 is fixed on the rear side of a positioning tooth block 4, an inclined chip removing surface 406 for guiding chips to fall to the inner side of the supporting ring 101 is arranged on the top side of the positioning tooth block 4, the positioning tooth block 4 is ensured to be capable of outwards ejecting the chips remained in the inner teeth 301 when moving upwards to extend into the middle of the inner teeth 301 and outwards roll along the chip removing surface 406, an automatic cleaning action after processing of the inner teeth 301 is realized, the supporting assembly 5 comprises a bottom plate 501 transversely fixed on the top side of the supporting ring 101, fixing holes 504 penetrating and fixing the supporting rings 501 are arranged at four corners of the bottom plate 501 to connect the supporting ring 101, four groups of supporting frames 502 are arranged on the top of the bottom plate are arranged on the rectangular top of the bottom plate to be provided with a movable supporting frame 6, and an auxiliary locking assembly is fixed on the outer side of the supporting frame 503, and is provided with an auxiliary locking frame 503, and is arranged on the supporting frame 503;
the movable assembly 6 comprises an air cylinder 601 fixed at the top of the limiting frame 502, the telescopic end of the air cylinder 601 extends downwards into the limiting frame 502, a rotating frame 602 is fixed at the telescopic end of the air cylinder 601, the rotating frame 602 is a C-shaped frame body with a downward opening, the rotating frame 602 is vertically and slidably matched with the limiting frame 502, a slotting motor 603 is arranged at the rear side of the rotating frame 602, an upper gear 604 is fixed at the output end of the bottom of the slotting motor 603, a slotting assembly 7 used for cutting out the inner teeth 301 is arranged at the bottom of the movable assembly 6, the slotting assembly 7 comprises a longitudinal shaft 701 rotatably arranged at the middle part of the rotating frame 602, a lower gear 701a meshed with the upper gear 604 is fixed at the end part of the longitudinal shaft 701, the upper gear 604 and the lower gear 701a are of an intermeshing bevel gear structure, a disc-shaped cutter is fixed at the middle part of the longitudinal shaft 701, the slotting motor 603 is utilized to drive the cutter to rotate so as to cut out the inner teeth 301 at the inner side of the gear ring 3 when the cutter moves downwards, the driving rack 605 which extends vertically is fixed on the rear side of the rotating frame 602, the auxiliary assembly 8 comprises a vertical frame 801 which is vertically fixed in the locking frame 503, an auxiliary shaft 802 is rotatably arranged at the top of the vertical frame 801, the outer side of the auxiliary shaft 802 is fixedly provided with a central gear 803, two sides of the central gear 803 are respectively meshed with the driving rack 605 and the driven rack 405, the driving rack 605 is in transmission connection with the driven rack 405 through the central gear 803, the driving gear can drive the positioning tooth block 4 to move upwards when the cutter moves downwards, the cutter and the positioning tooth block 4 are ensured to be in opposite movement directions, the positioning tooth block 4 is further used as a positioning structure of the cutter for cutting out the internal teeth 301, the top of the positioning tooth block 4 is in arc transition, when the gear ring 3 rotates to a new position needing to be cut, if deviation exists in rotation angle, the positioning tooth block 4 is caused to have angle deviation with the internal teeth 301 in the upward movement process, at the moment, the arc transition at the top of the positioning tooth block 4 can be utilized to push the gear ring 3 to rotate to generate a deviation angle, so that deviation correcting action is automatically carried out, and the machining precision and stability of the gear ring 3 are improved.
The positioning method of the radial positioning structure for machining the large gear ring 3 comprises the following steps:
a. when the gear ring 3 is required to be clamped so as to open the internal teeth 301, firstly, the gear ring 3 is placed between a plurality of groups of press rollers 106a, the gear disc 107a is driven to rotate by the locking motor 107, a plurality of groups of synchronous gears 105a are meshed by the gear disc 107a so as to drive a plurality of groups of screw rods 105 to synchronously rotate, the screw rods 105 are used for being matched with the screw threads of the sliding blocks 106, so that the sliding blocks 106 are driven to radially move along the gear ring 3 under the guidance of the transmission frame 103, the distance between the press rollers 106a at the top of the plurality of groups of sliding blocks 106 is synchronously adjusted, the plurality of groups of press rollers 106a are synchronously abutted against the outer circumference of the gear ring 3, the gear ring 3 and the supporting ring 101 are simultaneously ensured to automatically keep a concentric state, and the self-centering clamping process of the gear ring 3 is completed;
b. when the inner circumference of the gear ring 3 is cut, the air cylinder 601 is used for driving the rotating frame 602 and the grooving assembly 7 to move upwards as a whole, the rotating frame 602 is used for driving the driving rack 605 to move upwards, under the transmission action of the central gear 803, the driven rack 405 and the positioning tooth block 4 are driven to move downwards synchronously, the rotating frame 602 is pulled upwards by the shrinkage of the telescopic end of the air cylinder 601 until the driven rack 405 moves downwards to a position separated from the central gear 803, at the moment, the positioning tooth block 4 keeps the driven rack 405 at the rear side of the positioning tooth block 4 to be pressed downwards all the time under the compression action of the upper spring 403, and then the separation state of the driven rack 405 and the central gear 803 is kept all the time;
c. when the rotating frame 602 is pulled upwards to drive the driven rack 405 to move downwards to be separated from the central gear 803, the rotating frame 602 is pushed downwards by the air cylinder 601 to drive the grooving assembly 7 to move downwards, the longitudinal shaft 701 and the cutter head 702 are driven to rotate by the grooving motor 603, the inner circumference of the gear ring 3 is cut into the inner teeth 301 by rotating action in the downward moving process of the cutter, the lifting grooving action of the air cylinder 601 and the rotating action of the driving motor 201 on the press roller 106a are alternately performed, so that the cutter is separated from the inner teeth 301 after a group of the inner teeth 301 are cut, and at the moment, the driving motor 201 is used for driving the press roller 106a to rotate to drive the gear ring 3 to rotate by an angle of one inner tooth 301, and then the grooving action of a plurality of inner teeth 301 is alternately performed;
d. when the position of the internal tooth 301 cut by the gear ring 3 rotates to the position corresponding to the driven gear rack 405, the cutter is ensured to be positioned above the gear ring 3 and not to be in contact with the gear ring 3, the driven gear rack 405 is pushed upwards at the moment to be meshed with the central gear 803, when the cylinder 601 moves downwards to enable the cutter to be in contact with the gear ring 3 to perform gear cutting action, the lower movement of the rotating frame 602 and the driving gear rack 605 are utilized to be matched with the central gear 803 to drive the driven gear rack 405 and the positioning gear rack 4 to move upwards, the positioning gear rack 4 is in transmission connection with the rotating frame 602, the rotating frame 602 is ensured to move downwards to realize the gear cutting action, the positioning gear rack 4 can be driven to move upwards to be clamped into the cut internal tooth 301, and simultaneously, in the process of cutting the internal tooth 301 is alternately performed up and down by the later cutter and the positioning gear rack 4, the cutter is ensured not to be pulled upwards to the highest position, namely, the central gear 803 is prevented from being separated from the driven gear rack 405 again, after a plurality of groups of cutting 301 at the initial position on the gear ring 3 are completed, the positioning gear rack 4 can be always in transmission state, and the cutter is positioned with the internal tooth ring 3, and the stability of the positioning gear ring 3 is increased;
e. the positioning tooth block 4 is utilized to move upwards and clamp into the internal teeth 301 so as to position the rotary cutting tooth action of the gear ring 3, the positioning tooth block 4 is utilized to position the cutting groove position of the cutter on the gear ring 3 under the condition that the angle between the positioning tooth block 4 and the cutter is always fixed on the horizontal plane, the positioning tooth block 4 is ensured to be correctly clamped into the position of the already cut internal teeth 301, the cutter can move downwards to cut teeth under the support of the rotating frame 602, and in addition, the inclined plane-shaped chip removing surface 406 on the top side of the positioning tooth block 4 is utilized to push and discharge chips on the inner side of the cut internal teeth 301, so that the subsequent cleaning of chips is not needed for the gear ring 3.
The pressing rollers 106a for supporting the rotation of the gear rings 3 are arranged above the base 1, and the positions of the pressing rollers 106a can be synchronously adjusted through the locking motor 107 in the middle, so that the gear rings 3 in the middle of the pressing rollers 106a are automatically centered and locked and clamped, the supporting positions of the clamps do not need to be manually adjusted, and the clamping is more convenient;
in addition, a positioning tooth block 4 capable of moving reversely with the cutter is arranged above the base 1, the cutter moves downwards to perform grooving action on the inner teeth 301, and meanwhile, the positioning tooth block 4 is pushed to move upwards and be clamped into the already cut inner teeth 301, so that the rotary grooving position of the cutter is positioned, the distance between adjacent inner teeth 301 is ensured to be consistent all the time, and the quality of the gear ring 3 is ensured;
when the cutter moves upwards to separate from the gear ring 3, the positioning tooth block 4 moves downwards to separate from the gear ring 3 synchronously, at this time, the gear ring 3 is in a free state, the position of the gear ring 3 can be adjusted by the driving component 2 to perform the grooving action of the next group of internal teeth 301, the continuity of gear cutting of the gear ring 3 is ensured, in addition, the positioning tooth block 4 can be used for pushing and discharging the chips remained on the inner side of the internal teeth 301 by utilizing the inclined plane-shaped chip discharging surface 406 on the top surface of the positioning tooth block 4 while periodically moving upwards and downwards, and then the positioning and cleaning actions are automatically completed in the gear cutting process of the gear ring 3, so that the cutter is convenient to use.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a radial positioning structure of bull gear processing which characterized in that: the device comprises a base (1) and a gear ring (3), wherein the gear ring (3) is coaxially arranged above the base (1), a driving assembly (2) for supporting the gear ring (3) to rotate is fixed at the top of the base (1), a positioning tooth block (4) extending into the inner side of the gear ring (3) and meshed with inner teeth (301) on the inner circumference of the gear ring (3) is fixed at the top of the base (1), a movable assembly (6) is arranged above the base (1), a supporting assembly (5) for supporting the movable assembly (6) and lifting and moving the positioning tooth block (4) is arranged on the inner side of the base (1), and an auxiliary assembly (8) is arranged between the supporting assembly (5) and the movable assembly (6);
two guide rods (401) extending vertically are penetrated in parallel in the positioning tooth block (4), the bottom ends of the guide rods (401) are horizontally bent and fixed on the top side of the base (1), limiting plates (402) are fixed on the top ends of the guide rods (401), and springs (403) for keeping the positioning tooth block (4) to be propped downwards are sleeved on the outer sides of the guide rods (401) below the limiting plates (402).
2. The radial positioning structure for machining a large gear ring according to claim 1, wherein: the base (1) comprises a disc-shaped supporting ring (101), a disc-shaped mounting plate (102) is coaxially arranged above the supporting ring (101), a plurality of groups of transmission frames (103) extending outwards in the radial direction are uniformly distributed on the outer circumference of the mounting plate (102), the transmission frames (103) are rectangular frame bodies, and a plurality of groups of supporting rods (104) vertically connected to the top side of the supporting ring (101) are fixed on the outer sides of the transmission frames (103).
3. The radial positioning structure for machining a large gear ring according to claim 2, wherein: the multiunit all sliding fit has slider (106) in the bearing frame, slider (106) are the adaptation the I shape structure of bearing frame, correspond multiunit bearing frame on mounting disc (102) and be provided with multiunit mounting groove, the inside normal running fit of bearing frame has screw rod (105), screw rod (105) with bearing frame passes through bearing normal running fit, screw rod (105) run through slider (106) and with this slider (106) screw thread fit, the inboard one end of screw rod (105) stretches into in the mounting groove, just the inboard one end of screw rod (105) is fixed with the downside and stretches out synchronous gear (105 a) of mounting groove.
4. A large gear ring machined radial positioning structure according to claim 3, wherein: the center of the top of the installation disc (102) is fixedly provided with a locking motor (107), the output end of the locking motor (107) downwards penetrates out of the installation disc (102), the output end of the locking motor (107) is fixedly provided with a fluted disc (107 a) which is meshed with a plurality of groups of synchronous gears (105 a), a plurality of groups of sliding blocks (106) are respectively and rotatably matched with a pressing roll (106 a), and the pressing roll (106 a) is clamped to a grooved wheel structure on the outer circumference side of the gear ring (3).
5. The radial positioning structure for machining a large gear ring according to claim 4, wherein: the driving assembly (2) comprises a motor base (202) fixed on the outer side of the sliding block (106), a driving motor (201) is fixed on the top side of the motor base (202), the output end of the driving motor (201) downwards extends to the inner side of the motor base (202) and is connected with the compression roller (106 a) through a coupling in a transmission mode, a fixing base (404) fixed on the top side of the supporting ring (101) in a welding mode is arranged at the bottom end of the guide rod (401), a driven rack (405) is fixed on the rear side of the positioning tooth block (4), and an inclined chip removing surface (406) for guiding chips to drop towards the inner side of the supporting ring (101) is arranged on the top side of the positioning tooth block (4).
6. The radial positioning structure for machining a large gear ring according to claim 5, wherein: the bearing assembly (5) comprises a bottom plate (501) transversely fixed to the top side of the supporting ring (101), fixing holes (504) penetrating through screws to connect the supporting ring (101) are formed in four corners of the bottom plate (501), four groups of limiting frames (502) which are distributed in a rectangular mode and used for supporting the movable assembly (6) are arranged on the top of the bottom plate (501), and locking frames (503) for supporting the auxiliary assembly (8) are fixed on the outer side of the bottom plate (501).
7. The radial positioning structure for machining a large gear ring according to claim 6, wherein: the movable assembly (6) comprises an air cylinder (601) fixed at the top of the limiting frame (502), the telescopic end of the air cylinder (601) downwards stretches into the inside of the limiting frame (502), the telescopic end of the air cylinder (601) is fixedly provided with a rotating frame (602), the rotating frame (602) is a C-shaped frame body with a downward opening, the rotating frame (602) is vertically matched with the limiting frame (502) in a sliding mode, a slotting motor (603) is arranged at the rear side of the rotating frame (602), an upper gear (604) is fixed at the bottom output end of the slotting motor (603), and a slotting assembly (7) used for cutting out internal teeth (301) is arranged at the bottom of the movable assembly (6).
8. The large gear ring machined radial positioning structure according to claim 7, wherein: the grooving assembly (7) comprises a longitudinal shaft (701) which is rotatably arranged in the middle of the rotating frame (602), a lower gear (701 a) which is meshed with the upper gear (604) is fixed at the end part of the longitudinal shaft (701), the upper gear (604) and the lower gear (701 a) are of a bevel gear structure which is meshed with each other, and a disc-shaped cutter is fixed in the middle of the longitudinal shaft (701).
9. The radial positioning structure for machining a large gear ring according to claim 8, wherein: the driving rack (605) extending vertically is fixed on the rear side of the rotating frame (602), the auxiliary assembly (8) comprises a vertical frame (801) fixed in the locking frame (503) vertically, an auxiliary shaft (802) is rotatably arranged at the top of the vertical frame (801), and the two sides of the outer side of the auxiliary shaft (802) are fixed with a central gear (803) of which the two sides are respectively meshed with the driving rack (605) and the driven rack (405).
10. A method for positioning a radial positioning structure for machining a bull gear (3) according to any one of claims 1 to 9, comprising the steps of:
a. when the gear ring (3) is required to be clamped so as to open the internal teeth (301), firstly, the gear ring (3) is placed between a plurality of groups of press rollers (106 a), the gear disc (107 a) is driven to rotate through a locking motor (107), a plurality of groups of synchronous gears (105 a) are meshed with the gear disc (107 a) so as to drive a plurality of groups of screws (105) to synchronously rotate, the screws (105) are used for being matched with the threads of the sliding blocks (106), so that the sliding blocks (106) are driven to radially move along the gear ring (3) under the guidance of a transmission frame (103), the distance between the press rollers (106 a) at the top of the sliding blocks (106) is synchronously adjusted, the plurality of groups of press rollers (106 a) are synchronously abutted against the outer circumference of the gear ring (3), and simultaneously, the gear ring (3) and a supporting ring (101) are ensured to automatically maintain a concentric state, and the self-centering clamping process of the gear ring (3) is completed;
b. when the inner circumference of the gear ring (3) is cut, the air cylinder (601) is used for driving the rotating frame (602) and the grooving assembly (7) to move upwards as a whole, the rotating frame (602) is used for driving the driving rack (605) to move upwards, under the transmission action of the central gear (803), the driven rack (405) and the positioning tooth block (4) are driven to move downwards synchronously, the rotating frame (602) is pulled upwards by the shrinkage of the telescopic end of the air cylinder (601) until the driven rack (405) moves downwards to a position separated from the central gear (803), and at the moment, the positioning tooth block (4) keeps the driven rack (405) at the rear side of the positioning tooth block (4) to be pressed downwards all the time under the compression action of the upper spring (403), so that the separation state of the driven rack (405) and the central gear (803) is kept all the time;
c. when the rotating frame (602) is pulled upwards to drive the driven rack (405) to move downwards to be separated from the central gear (803), the rotating frame (602) is pushed downwards by the air cylinder (601) to drive the grooving assembly (7) to move downwards, the longitudinal shaft (701) and the cutter head (702) are driven to rotate by the grooving motor (603), the inner circumference of the gear ring (3) is cut into inner teeth (301) through rotation in the downward movement process of the cutter, lifting grooving action of the air cylinder (601) and rotation action of the driving motor (201) on the press roller (106 a) are alternately performed, so that the cutter is separated from the inner teeth (301) after a group of inner teeth (301) are cut, and at the moment, the driving motor (201) is used for driving the press roller (106 a) to rotate to drive the gear ring (3) to rotate by an angle of one inner tooth (301), and then grooving actions of a plurality of inner teeth (301) are alternately performed;
d. when the gear ring (3) continuously rotates to cut out the internal teeth (301) and rotate to the position corresponding to the driven gear rack (405), and the cutter is ensured to be positioned above the gear ring (3) and not to be in contact with the gear ring (3), the driven gear rack (405) is pushed upwards at the moment to be meshed with the central gear (803), and the cylinder (601) moves downwards to enable the cutter to contact the gear ring (3) to perform gear cutting action, the lower movement of the rotating frame (602) and the driving gear rack (605) are utilized to be matched with the central gear (803) to drive the driven gear rack (405) and the positioning gear block (4) to move upwards, the positioning gear block (4) is in transmission connection with the rotating frame (602), and the rotating frame (602) is ensured to move downwards to realize the gear cutting action and simultaneously the positioning gear block (4) can be driven to move upwards to be clamped into the cut out internal teeth (301);
e. the positioning tooth block (4) is utilized to move upwards and clamp into the internal teeth (301) so as to position the rotary cutting tooth action of the gear ring (3), the positioning tooth block (4) is utilized to position the cutting groove position of the cutter on the gear ring (3) under the condition that the angle between the positioning tooth block (4) and the cutter is always fixed on the horizontal plane, the positioning tooth block (4) is ensured to be correctly clamped into the position of the already cut internal teeth (301), the cutter can move downwards to cut teeth under the support of the rotating frame (602), and in addition, the inclined-plane chip removing surface (406) on the top side of the positioning tooth block (4) is utilized to push and discharge chips on the inner side of the cut internal teeth (301), so that the subsequent cleaning of chips is not needed for the gear ring (3).
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| CN202310450549.XA CN116460374A (en) | 2023-04-25 | 2023-04-25 | Radial positioning structure for machining large gear ring and positioning method thereof |
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| CN202310450549.XA CN116460374A (en) | 2023-04-25 | 2023-04-25 | Radial positioning structure for machining large gear ring and positioning method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116952102A (en) * | 2023-09-21 | 2023-10-27 | 中铧智能科技(山东)有限公司 | Defective product detection device for cable type steel wire coil core ring |
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| CN117226185A (en) * | 2023-11-16 | 2023-12-15 | 泉州市永兴工程机械有限公司 | Gear ring cutting device and cutting method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116952102A (en) * | 2023-09-21 | 2023-10-27 | 中铧智能科技(山东)有限公司 | Defective product detection device for cable type steel wire coil core ring |
| CN116952102B (en) * | 2023-09-21 | 2023-12-19 | 中铧智能科技(山东)有限公司 | Defective product detection device for cable type steel wire coil core ring |
| CN117123324A (en) * | 2023-10-27 | 2023-11-28 | 烟台金丝猴食品科技有限公司 | Nutlet crusher |
| CN117123324B (en) * | 2023-10-27 | 2023-12-22 | 烟台金丝猴食品科技有限公司 | Nutlet crusher |
| CN117226185A (en) * | 2023-11-16 | 2023-12-15 | 泉州市永兴工程机械有限公司 | Gear ring cutting device and cutting method thereof |
| CN117226185B (en) * | 2023-11-16 | 2024-02-27 | 泉州市永兴工程机械有限公司 | Gear ring cutting device and cutting method thereof |
| CN117681006A (en) * | 2024-02-03 | 2024-03-12 | 山东艾德实业有限公司 | Special fixture for processing flat chain links |
| CN117681006B (en) * | 2024-02-03 | 2024-04-05 | 山东艾德实业有限公司 | Special fixture for processing flat chain links |
| CN117961573A (en) * | 2024-03-28 | 2024-05-03 | 辉县市腾飞机械制造有限公司 | Processing frock of general major diameter mill end cover |
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