CN115194417B - Gear blank processing technology - Google Patents
Gear blank processing technology Download PDFInfo
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- CN115194417B CN115194417B CN202211015237.8A CN202211015237A CN115194417B CN 115194417 B CN115194417 B CN 115194417B CN 202211015237 A CN202211015237 A CN 202211015237A CN 115194417 B CN115194417 B CN 115194417B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B41/02—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for boring deep holes; Trepanning, e.g. of gun or rifle barrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
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- 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
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
- B23Q15/22—Control or regulation of position of tool or workpiece
- B23Q15/26—Control or regulation of position of tool or workpiece of angular position
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- Drilling And Boring (AREA)
Abstract
The application relates to a processing technology of a gear blank, which is applied to the field of gear processing technology and comprises the following steps: s1, cutting materials; s2, drilling a central hole; s3, drilling a lightening hole; s4, processing an inner ruler and an outer gear; s5, performing heat treatment on the rough gear; s6, polishing a coarse gear; s3.1, starting a moving device to drive a plurality of sliding blocks to move to the lower part of the tooth blank, and starting a clamping driving mechanism to drive a clamping mechanism to abut against the tooth blank; s3.2, starting the drilling mechanism, driving the drilling mechanism to descend to drill the lightening holes by the lifting mechanism, starting the lifting mechanism to ascend, starting the steering mechanism to enable the drilling mechanism to rotate by a set angle, starting the lifting mechanism to enable the drilling mechanism to descend to drill the lightening holes, and repeating the step S3.2 until the drilling of the lightening holes of the set number is completed; s3.3, stopping the drilling mechanism, starting the lifting mechanism and the steering mechanism to reset, starting the clamping driving mechanism to reset the clamping mechanism, and taking out the tooth blank. The application has the effect of improving gear machining efficiency.
Description
Technical Field
The application relates to the technical field of gear machining, in particular to a machining process of a gear blank.
Background
The gear is a mechanical part with teeth on the rim and capable of mutually meshing to transfer motion and power, and the gear transmission can achieve the functions of speed reduction, speed increase, direction change and the like, so that the gear is widely applied to production and life. In order to reduce the weight of the gear and to allow more lubricant to flow through the gear to lubricate the gear during operation of the gear, a plurality of weight reducing holes are typically drilled in the gear during processing of the gear. The machined lightening holes need to be uniformly distributed on the end face of the gear, namely the lightening holes need to have the same coaxiality with the gear, so that the gear can normally run without deflection when in operation. In the related art, a lightening hole is processed on the gear blank through a punching die.
In view of the above-mentioned related art, the inventors consider that a plurality of punches are required for simultaneously processing a plurality of lightening holes, and that the larger the number of punches, the more easily the lightening holes are punched, and the less easily the gear blank is caught on the punches and is dropped off, thereby easily affecting the processing efficiency of the gear.
Disclosure of Invention
In order to solve the problem that gear blanks are not easy to fall off when being clamped on a punch and the gear machining efficiency is affected, the application provides a gear blank machining process.
The processing technology of the gear blank provided by the application adopts the following technical scheme:
a processing technology of a gear blank, comprising the following steps:
s1, blanking, and manufacturing a blank;
s2, drilling a central hole, carrying out plane milling and excircle turning treatment on the end face and the surface of the blank by a milling machine, and drilling the central hole at the axis of the blank by the milling machine to form a tooth blank;
s3, drilling a lightening hole, and drilling the lightening hole on the tooth blank through a drilling device;
s4, processing an inner ruler and an outer gear, processing inner teeth on the hole wall of the central hole through a gear shaper, and processing an outer gear through a gear shaper to form a rough machined gear;
s5, performing heat treatment on the rough machined gear, namely placing the rough machined gear into a smelting furnace for heat treatment, firstly heating the rough gear to 600-650 ℃, spraying a metal surface hardening material on the rough machined gear, then heating the rough gear to 700-730 ℃, and taking out the rough gear and immersing the rough gear into cold oil after maintaining for 1-2 hours;
s6, polishing the rough gear, namely performing fine polishing on the rough gear subjected to heat treatment through a grinding machine to form a gear meeting the specification requirement;
the method is characterized in that: s3.1, enabling a central hole of a tooth blank to pass through a positioning column arranged on a workbench, starting a moving device to drive a plurality of fixing devices to move towards the direction close to the tooth blank until a sliding block of the fixing device moves to the lower side of the tooth blank, stopping the moving device, and starting a clamping driving mechanism of the fixing device to drive a clamping mechanism of the fixing device to abut against the tooth blank;
s3.2, starting a drilling mechanism of the drilling device, starting a lifting mechanism of the drilling device to drive the drilling mechanism to descend so as to drill the lightening holes, starting the lifting mechanism to ascend, starting a steering mechanism of the drilling device to drive the drilling mechanism to rotate a set angle, then starting the lifting mechanism to drive the drilling mechanism to descend so as to drill the lightening holes, and repeating S3.2 until the drilling of the lightening holes of the set number is completed;
s3.3, stopping the drilling mechanism, starting the lifting mechanism to reset, starting the steering mechanism to reset, starting the clamping driving mechanism to drive the clamping mechanism to reset, starting the moving device to reset, and taking out the tooth blank with the weight-reducing hole drilled.
Through adopting above-mentioned technical scheme, through the fixed tooth base of a plurality of clamping driving mechanism drive clamping mechanism, rethread elevating system cooperatees with drilling mechanism, drills out the lightening hole, compares in punching out the lightening hole through the mould, can reduce the condition that the tooth base card is difficult for droing on the drift to can save the time of getting off the tooth base from the drift, and then can improve the production efficiency of gear.
The drilling mechanism can be driven to rotate by a set angle through the steering mechanism, so that the set number of lightening holes can be uniformly distributed on the tooth blank, and the possibility of deviation of the gear in the running process can be reduced. Meanwhile, compared with the process of punching the lightening holes through the die, the possibility that the blanks are deformed due to uneven stress in the punching process can be reduced, and therefore the accuracy of the gear can be improved.
Optionally, the steering mechanism includes steering driving motor and rotates the carousel of being connected on the elevating system, steering driving motor install in on the elevating system, just steering driving motor's output shaft with carousel coaxial coupling, drilling mechanism locates on the carousel.
Through adopting above-mentioned technical scheme, through elevating system and drilling mechanism matched with, after drilling the lightening hole, start elevating system and rise, then start steering drive motor drive carousel rotation settlement angle after, start elevating system drive drilling mechanism again and descend, bore and establish the lightening hole. And (5) circulating the process until the set number of weight reducing holes are completely drilled. Through setting for steering driving motor's rotation angle, make carousel rotation settlement angle to can drive drilling mechanism rotation settlement angle, and then can make the more even distribution of the lightening hole of settlement quantity on tooth base, make the finished gear can be more stable in the operation in-process.
Optionally, the drilling mechanism comprises a drilling driving motor, a driving sprocket, a chain, a plurality of drill bits and a driven sprocket arranged on the drill bits, wherein the drilling driving motor is arranged on the turntable, and the drill bits are rotatably connected to the turntable;
the driving sprocket is coaxially connected to an output shaft of the drilling driving motor, the drilling driving motor drives the driving sprocket to rotate, and the driving sprocket drives a plurality of driven sprockets to rotate through the chain.
Through adopting above-mentioned technical scheme, through drilling driving motor drive driving sprocket rotation, driving sprocket passes through the chain and drives a plurality of driven sprocket synchronous rotation to can drive a plurality of drill bits synchronous rotation, bore a plurality of lightening holes simultaneously on the tooth base, and then can improve the brill of lightening hole and establish efficiency, in order to improve the production efficiency of gear.
Optionally, the elevating system includes the leading truck, installs the cylinder on the leading truck and slides the lifter plate of locating on the leading truck, the lifter plate is located on the driving end of cylinder, the carousel rotate connect in on the lifter plate.
Through adopting above-mentioned technical scheme, can drive the lifter plate through the cylinder and go up and down to can drive the drill bit and go up and down, make the bull stick can bore on tooth base and establish the lightening hole.
Optionally, the fixture includes locating ejector block and clamp plate on the clamping driving mechanism, the ejector block supports tightly on the lateral wall of tooth base, the clamp plate supports tightly on the top surface of tooth base.
Through adopting above-mentioned technical scheme, the slider pad is located tooth base below, and a plurality of fixture equipartitions are around the tooth base, support tightly on the lateral wall of tooth base through centre gripping actuating mechanism kicking block, and the clamp plate supports tightly on the roof of tooth base to can be more stable fix the tooth base, in order to reduce the drill bit and bore the possibility that the tooth base takes place to remove when establishing the lightening hole, and then can improve the drilling precision of lightening hole, improve the quality of finished gear.
Optionally, the clamping driving mechanism comprises a clamping driving motor, a screw rod, a driving gear and a rack, wherein the sliding block is provided with a mounting frame, the clamping driving motor is mounted on the mounting frame, the screw rod is coaxially connected to an output shaft of the clamping driving motor, and one end of the screw rod, far away from the clamping driving motor, is rotationally connected to the sliding block;
the pressing plate is sleeved on the screw rod in a threaded manner, a limiting block is arranged on the pressing plate, a limiting groove for the limiting block to slide in a matched manner is formed in the mounting frame, and the limiting block is arranged in the limiting groove;
the ejector block is arranged on the rack, the rack is arranged on the sliding block in a sliding mode, the driving gear is coaxially connected to the screw rod, and the driving gear is meshed with the rack.
Through adopting above-mentioned technical scheme, through centre gripping driving motor drive screw rod rotation, screw rod rotation drive clamp plate goes up and down, and screw rod rotation drives drive gear simultaneously and rotates to can drive rack and kicking block and move towards the direction that is close to or keeps away from the tooth base. When the tooth blank needs to be fixed, the clamping driving motor is started, so that the ejector block and the pressing plate are simultaneously abutted against the tooth blank to fix the tooth blank.
Optionally, the moving device comprises a traction driving mechanism, a plurality of traction mechanisms for driving the sliding block to move towards the tooth blank and a reset spring for driving the sliding block to reset, a containing cavity is arranged in the workbench, the traction driving mechanism is arranged in the containing cavity, and the traction driving mechanism is connected with the traction mechanism;
the sliding block is provided with a first dovetail block, the workbench is provided with a first dovetail groove for the first dovetail block to slide in a matched manner, and the first dovetail block is arranged in the first dovetail groove;
one end of the traction mechanism, which is far away from the traction driving mechanism, is arranged on the first dovetail block;
the reset spring is located between the first dovetail block and the positioning column, one end of the reset spring is arranged on the first dovetail block, and the other end of the reset spring is arranged on the groove wall of the first dovetail groove.
Through adopting above-mentioned technical scheme, when needs are fixed the tooth base, through traction drive mechanism drive traction mechanism, traction mechanism drive a plurality of sliders, fixture and clamping drive mechanism move towards the direction that is close to the tooth base simultaneously, make each kicking block support tightly on the tooth base simultaneously to can reduce tooth base and take place the skew, make the lightening hole take place the possibility of skew, and then can improve the quality of finished gear.
When the lightening hole is drilled and the tooth blank is required to be taken out, the sliding block can move more stably in the direction away from the tooth blank through the cooperation of the reset spring and the traction driving mechanism, so that the tooth blank can be taken out by a worker conveniently.
Optionally, the traction mechanism includes haulage rope and fixed pulley, be equipped with the gallows on the chamber wall in holding chamber, the fixed pulley rotate connect in on the gallows, the haulage rope overlap joint in on the fixed pulley, just the one end of haulage rope is located on the first forked tail piece, the other end of haulage rope is located on the traction drive mechanism.
Through adopting above-mentioned technical scheme, can change the direction of haulage rope through the fixed pulley, make traction drive mechanism can pull a plurality of haulage ropes simultaneously to make a plurality of sliders can remove towards the direction that is close to the tooth base simultaneously, make each slider remove to tooth base below simultaneously, thereby can reduce the possibility that the tooth base takes place the skew.
Optionally, the traction driving mechanism comprises a connecting frame and a traction electric push rod, the traction electric push rod is installed in the accommodating cavity, the connecting frame is arranged on the driving end of the traction electric push rod, and the traction rope is arranged on the connecting frame.
Through adopting above-mentioned technical scheme, a plurality of haulage ropes are fixed on the link, descend through traction electric putter drive link, can drive the haulage rope simultaneously and remove, make each slider remove towards the direction that is close to the tooth base simultaneously. When the tooth blank of completion is bored to the lightening hole that needs to take out, start and pull electric putter drive link and rise, make the haulage rope no longer pull the slider, drive the slider and reset under reset spring's elasticity effect simultaneously to the staff of being convenient for takes out the tooth blank.
Optionally, a guide post is arranged on the top wall of the accommodating cavity, the connecting frame comprises a connecting plate, a connecting ring and a plurality of connecting rods, the connecting plate is arranged on the driving end of the traction electric push rod, the connecting rods are arranged on the connecting plate, and one end of each connecting rod, which is far away from the connecting plate, is arranged on the connecting ring;
the connecting ring is slidably sleeved on the guide post and is attached to the guide post, and the traction rope is arranged on the connecting ring.
Through adopting above-mentioned technical scheme, cooperate with the go-between through the guide post, make the go-between can be more stable go up and down to make the haulage rope can be more stable pull the slider.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the clamping mechanism is driven by the clamping driving mechanisms to fix the tooth blank, and then the lifting mechanism is matched with the drilling mechanism to drill the lightening hole;
2. the drilling mechanism can be driven to rotate by a set angle through the steering mechanism, so that the set number of weight reducing holes can be uniformly distributed on the tooth blank, and the possibility of deviation of the gear in the running process can be reduced;
3. compared with the process of punching the lightening hole through the die, the possibility of deformation of the blank caused by uneven stress in the punching process can be reduced, and therefore the accuracy of the gear can be improved.
Drawings
Fig. 1 is a schematic view of a fixture and a drilling device in an embodiment of the present application.
Fig. 2 is a cross-sectional view of a fixture and drilling apparatus in an embodiment of the present application.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is an enlarged view of a portion B in fig. 1.
Fig. 5 is a partial schematic view of a drilling apparatus in an embodiment of the present application.
Fig. 6 is an enlarged view of a portion C in fig. 5.
Fig. 7 is a schematic view of a drilling apparatus in an embodiment of the present application.
Fig. 8 is an enlarged view of a portion D in fig. 5.
Reference numerals: 1. tooth blank; 2. a work table; 21. a receiving chamber; 22. a first dovetail groove; 3. positioning columns; 4. a mobile device; 41. a traction drive mechanism; 411. traction electric push rod; 412. a connecting frame; 4121. a connecting plate; 4122. a connecting ring; 4123. a connecting rod; 413. a guide post; 42. a traction mechanism; 421. a traction rope; 422. a fixed pulley; 423. a hanging bracket; 43. a return spring; 5. a fixing device; 51. a clamping driving mechanism; 511. clamping a driving motor; 512. a screw; 513. a drive gear; 514. a rack; 515. a second dovetail block; 52. a clamping mechanism; 521. a top block; 522. a pressing plate; 523. a limiting block; 53. a slide block; 531. a second dovetail groove; 54. a first dovetail block; 55. a mounting frame; 551. a limit groove; 6. a drilling device; 61. a drilling mechanism; 611. a drill drive motor; 612. a drill bit; 613. a drive sprocket; 614. a driven sprocket; 615. a chain; 62. a lifting mechanism; 621. a guide frame; 6211. a guide groove; 622. a cylinder; 623. a lifting plate; 624. a guide block; 63. a steering mechanism; 631. a steering drive motor; 632. a turntable; 6321. a mounting groove; 633. a limit component; 6331. a sleeve; 6332. a telescopic rod; 63321. an inner rod; 63322. an outer tube; 63323. a limit spring; 63324. a retaining plate; 63325. a ball; 6333. a limiting ring; 63331. a limiting hole; 6334. a buffer spring; 6335. a buffer plate; 634. a reset assembly; 6341. resetting the electric push rod; 6342. resetting the pull rope; 7. a frame.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-8.
The embodiment of the application discloses a fixing device. Referring to fig. 1, 2 and 3, the fixture 5 includes a plurality of sliders 53, a clamping mechanism 52, and a clamping driving mechanism 51 for driving the clamping mechanism 52, the clamping driving mechanism 51 being mounted on the sliders 53. A positioning column 3 is fixed on the workbench 2, and the tooth blank 1 with the drilled central hole is placed on the positioning column 3, so that the positioning column 3 penetrates through the central hole to position the tooth blank 1. The sliding blocks 53 are uniformly distributed along the outer periphery of the positioning column 3, and in this embodiment, the number of the fixing devices 5 is four.
Referring to fig. 3 and 4, a first dovetail block 54 is integrally formed at the bottom of the sliding block 53, a first dovetail groove 22 for the first dovetail block 54 to slide in a matching manner is formed on the workbench 2, the first dovetail block 54 is arranged in the first dovetail groove 22, a containing cavity 21 is formed in the workbench 2, and a moving device 4 for driving the first dovetail block 54 to slide is installed in the containing cavity 21, so that the sliding block 53 can drive the clamping mechanism 52 and the clamping driving mechanism 51 to move towards a direction close to or far away from the tooth blank 1 so as to clamp or release the tooth blank 1.
Referring to fig. 3 and 4, the clamping mechanism 52 includes a top block 521, a pressing plate 522, and a limiting block 523 integrally formed on the pressing plate 522, the clamping driving mechanism 51 includes a clamping driving motor 511, a screw rod 512, a driving gear 513, and a rack 514, a mounting frame 55 is fixed on the sliding block 53, the clamping driving motor 511 is mounted on the mounting frame 55, one end of the screw rod 512 is coaxially connected to an output shaft of the clamping driving motor 511, the other end of the screw rod 512 is rotatably connected to the sliding block 53, and the screw rod 512 can be driven to rotate by the clamping driving motor 511. The clamp plate 522 threaded connection is on screw 512, is equipped with the spacing groove 551 that supplies the cooperation of stopper 523 to slide on the mounting bracket 55, and in the spacing groove 551 was arranged in to the stopper 523, through the cooperation of stopper 523 and spacing groove 551, can reduce the synchronous pivoted possibility of clamp plate 522 along with screw 512 when screw 512 rotates to make clamp plate 522 can more stable lift along screw 512.
Referring to fig. 3 and 4, a driving gear 513 is coaxially coupled to the screw 512, and the driving gear 513 is positioned below the pressing plate 522, and the driving gear 513 is engaged with the rack 514. The second dovetail block 515 is fixed on the gear, the second dovetail groove 531 for the second gear to slide in a matching way is arranged on the sliding block 53, the second dovetail block 515 is arranged in the second dovetail groove 531, and the rack 514 can move towards the direction close to or far from the tooth blank 1 more stably under the driving of the driving gear 513 through the matching of the second dovetail block 515 and the second dovetail groove 531. The top block 521 is fixed at one end of the rack 514 facing the tooth blank 1, and one side of the top block 521 facing the tooth blank 1 is an arc shape matched with the tooth blank 1, so that the contact area between the top block 521 and the tooth blank 1 can be increased, and the top block 521 can be more stably abutted against the tooth blank 1.
When the tooth blank 1 needs to be clamped and fixed, the moving device 4 is started to drive each sliding block 53 to move towards the direction close to the tooth blank 1, and the positioning column 3 penetrates through the center hole of the tooth blank 1 to limit the tooth blank 1, so that the sliding blocks 53 can stably move to the lower side of the tooth blank 1 and are attached to the tooth blank 1. Then, the clamping driving motor 511 is started to drive the screw 512 to rotate, the screw 512 rotates to drive the pressing plate 522 to descend and abut against the top surface of the tooth blank 1, meanwhile, the screw 512 rotates to drive the driving gear 513 to rotate, and the driving rack 514 moves towards the direction approaching to the tooth blank 1, so that the ejector block 521 abuts against the side wall of the tooth blank 1. The pressing plate 522 and the top block 521 are simultaneously abutted against the tooth blank 1, so that the tooth blank 1 can be fixed more stably, the possibility that the tooth blank 1 moves when a lightening hole is drilled can be reduced, the drilling precision of the lightening hole can be improved, and the quality of a finished gear can be improved.
Referring to fig. 2 and 3, the moving device 4 includes a traction driving mechanism 41, a plurality of traction mechanisms 42 and a return spring 43, the traction mechanisms 42 include a traction rope 421, a fixed pulley 422 and a hanger 423 fixed on the top wall of the accommodating cavity 21, the fixed pulley 422 is rotatably connected to the hanger 423, the traction rope 421 is lapped on the fixed pulley 422, one end of the traction rope 421 is fixed on the first dovetail block 54, and the other end of the traction rope 421 is fixed on the traction driving mechanism 41. The direction of the traction ropes 421 can be changed through the fixed pulleys 422, so that the traction driving mechanism 41 can simultaneously traction a plurality of traction ropes 421, a plurality of sliding blocks 53 can simultaneously move towards the direction close to the tooth blank 1, each sliding block 53 simultaneously moves to the lower side of the tooth blank 1, the deviation of the tooth blank 1 is reduced, the uniformity of each drilled lightening hole on the tooth blank 1 is reduced, and the deviation of a finished gear in the running process is reduced.
Referring to fig. 2 and 3, the traction driving mechanism 41 includes a traction electric push rod 411 and a connection frame 412, the connection frame 412 includes a connection plate 4121, a connection ring 4122 and a plurality of connection rods 4123, the traction electric push rod 411 is mounted on the bottom wall of the accommodating cavity 21, the driving end of the traction electric push rod 411 is fixedly connected with the connection plate 4121, the plurality of connection rods 4123 are fixed on the connection plate 4121, the connection ring 4122 is fixed on the plurality of connection rods 4123, and each traction rope 421 is fixed on the connection ring 4122. The connecting ring 4122 can be driven to descend by pulling the electric push rod 411, and the connecting ring 4122 simultaneously drives each pulling rope 421 to move, so that each slider 53 can be pulled by the pulling rope 421 to move in the direction approaching to the tooth blank 1.
In addition, a guiding post 413 perpendicular to the ground is fixed on the top wall of the accommodating cavity 21, a connecting ring 4122 is slidably sleeved on the guiding post 413, the inner wall of the connecting ring 4122 is attached to the outer wall of the guiding post 413, and the connecting ring 4122 is matched with the guiding post 413 to enable the connecting ring 4122 to be lifted more stably, so that the traction rope 421 can be pulled more stably by the traction sliding block 53.
When the tooth blank 1 needs to be fixed, the traction electric push rod 411 is started to drive the connecting ring 4122 to descend, the connecting ring 4122 drives the traction rope 421 to move, each sliding block 53 moves towards the direction close to the tooth blank 1 at the same time, and then the clamping driving mechanism 51 drives the pressing plate 522 and the top block 521 to abut against the tooth blank 1, so that the tooth blank 1 is fixed.
Referring to fig. 2 and 3, the return spring 43 is located between the first dovetail block 54 and the positioning post 3, one end of the return spring 43 is fixed on the first dovetail block 54, the other end of the return spring 43 is fixed on the wall of the first dovetail groove 22, and when the traction rope 421 pulls the slider 53 to move in a direction approaching the tooth blank 1, the first dovetail block 54 compresses the return spring 43. When the tooth blank 1 with the weight reducing hole drilled is required to be taken out, the traction driving mechanism 41 is started to drive the pressing plate 522 and the top block 521 to reset, then the traction electric push rod 411 is started to drive the connecting frame 412 to ascend, so that the traction rope 421 does not drag the sliding block 53 any more, and meanwhile, the sliding block 53 is driven to reset under the elastic force of the reset spring 43, so that the tooth blank 1 is convenient for a worker to take out.
The implementation principle of the fixing device in the embodiment of the application is as follows: when the tooth blank 1 needs to be clamped and fixed, the traction electric push rod 411 is started to drive the connecting ring 4122 to descend, and the connecting ring 4122 drives the traction rope 421 to move, so that each sliding block 53 moves towards the direction close to the tooth blank 1 at the same time until the sliding blocks 53 move to the lower side of the tooth blank 1 and are attached to the tooth blank 1. The simultaneous movement of each slider 53 below the blank 1 reduces the likelihood of the blank 1 shifting, reducing the uniformity of the drilled lightening holes in the blank 1 and thus reducing the likelihood of the finished gear shifting during operation.
Then, the clamping driving motor 511 is started to drive the screw 512 to rotate, the screw 512 rotates to drive the pressing plate 522 to descend and abut against the top surface of the tooth blank 1, meanwhile, the screw 512 rotates to drive the driving gear 513 to rotate, and the driving rack 514 moves towards the direction approaching to the tooth blank 1, so that the ejector block 521 abuts against the side wall of the tooth blank 1. The pressing plate 522 and the top block 521 are simultaneously abutted against the tooth blank 1, so that the tooth blank 1 can be fixed more stably, the possibility that the tooth blank 1 moves when a lightening hole is drilled can be reduced, the drilling precision of the lightening hole can be improved, and the quality of a finished gear can be improved.
When the tooth blank 1 with the weight reducing hole drilled is required to be taken out, the clamping driving motor 511 is started to drive the pressing plate 522 and the top block 521 to reset, and then the traction electric push rod 411 is started to drive the connecting frame 412 to ascend, so that the traction rope 421 does not drag the sliding block 53 any more, and meanwhile, the sliding block 53 is driven to reset under the elastic force of the reset spring 43, so that the tooth blank 1 is convenient for a worker to take out.
The embodiment of the application discloses a drilling device. Referring to fig. 1 and 5, the drilling device 6 includes a drilling mechanism 61, a lifting mechanism 62 for driving the drilling mechanism 61 to lift and lowering, and a steering mechanism 63 for driving the drilling mechanism 61 to steer.
Referring to fig. 6 and 7, the drilling mechanism 61 includes a drilling driving motor 611, a driving sprocket 613, a chain 615, a plurality of drill bits 612, and a driven sprocket 614 coaxially sleeved on the drill bits 612, the drilling driving motor 611 is mounted on the rotating mechanism, the plurality of drill bits 612 are rotatably connected to the rotating mechanism, in this embodiment, the number of drill bits 612 takes two as an example, and by setting the steering angle of the steering mechanism 63, the drill bits 612 can drill weight reducing holes with different numbers on the tooth blank 1.
The driving sprocket 613 is coaxially connected to the output shaft of the drilling driving motor 611, the drilling driving motor 611 drives the driving sprocket 613 to rotate, and the driving sprocket 613 drives the driven sprockets 614 to synchronously rotate through the chain 615, so that the drill bits 612 can be driven to synchronously rotate. The steering mechanism 63 is driven to descend by the lifting mechanism 62, so that the rotary drill bit 612 can be driven to descend, a plurality of lightening holes are drilled on the gear blank 1 at the same time, and the drilling efficiency of the lightening holes can be improved, so that the production efficiency of gears is improved.
Referring to fig. 1 and 5, the elevating mechanism 62 includes a guide frame 621, an air cylinder 622 mounted on the guide frame 621, and an elevating plate 623 slidably provided on the guide frame 621, and in this embodiment, the number of the guide frames 621 is set as a pair, and the fixing device 5 is located between the pair of guide frames 621. Both ends of lifter plate 623 are all integrated into one piece is equipped with guide block 624, is equipped with the guide slot 6211 that supplies guide block 624 cooperation to slide on the leading truck 621, and guide block 624 one-to-one is arranged in guide slot 6211, cooperatees with guide slot 6211 through guide block 624, can make lifter plate 623 more stable lift. The cylinder 622 is installed on the guide frame 621, the driving end of the cylinder 622 is fixedly connected with the lifting plate 623, the steering mechanism 63 is installed on the lifting plate 623, and the lifting plate 623 can be driven to lift through the cylinder 622, so that the steering mechanism 63 can be driven to lift, the drill bit 612 is driven to lift, and the lightening hole is drilled on the gear blank 1. Compared with the condition that the lightening hole is punched through the die, the condition that the tooth blank 1 is clamped on the punch and is not easy to fall off can be reduced, so that the time for taking the tooth blank 1 off from the punch is saved, and the production efficiency of the gear can be improved.
Referring to fig. 5 and 6, the steering mechanism 63 includes a steering driving motor 631, a turntable 632, a limiting unit 633 for limiting the turntable 632, and a resetting unit 634 for resetting the limiting unit 633, the steering driving motor 631 is mounted on the lifting plate 623 through the frame 7, the turntable 632 is coaxially connected to an output shaft of the steering driving motor 631, the turntable 632 is rotatably connected to the lifting plate 623, and the turntable 632 can be driven to rotate by a set angle by setting a rotation angle of the steering driving motor 631. The rotary table 632 is provided with the mounting groove 6321, the steering driving motor 631 is mounted in the mounting groove 6321, and the drill bits 612 are rotatably connected to the rotary table 632, so that the drill bits 612 can be driven by the air cylinders 622 to lift, the lightening holes can be drilled on the gear blank 1, meanwhile, the set angle can be rotated, and the lightening holes with set number can be uniformly drilled on the gear blank 1, so that the possibility of deviation of gears in the running process is reduced. Compared with the process of punching the lightening hole through the die, the possibility of deformation of the blank caused by uneven stress in the punching process can be reduced, and therefore the accuracy of the gear can be improved.
Referring to fig. 2, 5 and 8, the limiting assembly 633 includes a sleeve 6331, a telescopic rod 6332, a limiting ring 6333 and a buffer spring 6334, the limiting ring 6333 is coaxially sleeved on the outer side of the steering driving motor 631 and fixed on the lifting plate 623, the sleeve 6331 is sleeved on and fixed on the output shaft of the steering driving motor 631, the telescopic rod 6332 is arranged parallel to the lifting plate 623, one end of the telescopic rod 6332 is fixed on the sleeve 6331, and the other end of the telescopic rod 6332 abuts against the inner wall of the limiting ring 6333.
The limiting ring 6333 is provided with a plurality of limiting holes 63331 along the periphery, in this embodiment, the number of the drill bits 612 is two, the number of the lightening holes with a set number is six, by matching with the lifting mechanism 62, the drill bits 612 rotate by a set angle (60 degrees in this embodiment) twice under the driving of the steering driving motor 631, so that the drilling of the six lightening holes can be completed, and then the steering driving motor 631 is started to continue to rotate (240 degrees in this embodiment) until the resetting is performed, so that the lightening holes of the next tooth blank 1 are drilled, so the number of the limiting holes 63331 in this embodiment is three.
Referring to fig. 5 and 8, one end of the buffer spring 6334 is fixed to a hole wall of the limit hole 63331 facing the rotation direction of the telescopic rod 6332, and the other end of the buffer spring 6334 is fixed with a buffer plate 6335. When the steering driving motor 631 drives the turntable 632 to rotate, one end of the telescopic rod 6332, which is far away from the sleeve 6331, abuts against the inner wall of the limit ring 6333 and synchronously rotates with the turntable 632. When the steering driving motor 631 rotates to a set angle to stop, the telescopic rod 6332 is inserted into the limiting hole 63331 and is driven by the inertia of the output shaft of the steering driving motor 631 to push the buffer plate 6335, so that the buffer spring 6334 is in a compressed state. After the telescopic rod 6332 is stopped, the telescopic rod 6332 is driven to return to a position where the telescopic rod 6332 should be stopped after the output shaft of the steering drive motor 631 rotates by a set angle under the elastic action of the buffer spring 6334. Therefore, when the rotation angle of the output shaft of the steering driving motor 631 is larger than the set angle under the action of inertia, the telescopic rod 6332 can be driven to reset under the action of the buffer spring 6334, that is, the position where the telescopic rod 6332 should stop after the rotation of the output shaft of the steering driving motor 631 by the set angle is restored. Further, the accuracy of the rotation setting angle of the turntable 632 can be improved, the accuracy of the rotation setting angle of the drill bit 612 can be improved, the uniformity of a plurality of lightening holes formed on the gear blank 1 by the drill bit 612 can be improved, and the quality of the finished gear is better.
In addition, due to the buffer action of the spring, the possibility of the output shaft of the steering drive motor 631 suddenly stopping, resulting in damage to the steering drive motor 631, can also be reduced.
Referring to fig. 5 and 8, the telescopic rod 6332 includes an outer tube 63322, an inner rod 63321, a limit spring 63323, a retaining plate 63324 and balls 63325, the outer tube 63322 is fixed on the sleeve 6331, the inner rod 63321 is slidably sleeved in the outer tube 63322, and the balls 63325 are rotatably connected to an end of the inner rod 63321 remote from the sleeve 6331, so that the length of the telescopic rod 6332 is adjustable. The retaining plate 63324, the limiting spring 63323 and the reset component 634 are all located in the outer tube 63322, the retaining plate 63324 is fixed on the outer tube 63322, one end of the limiting spring 63323 is fixed on the retaining plate 63324, the other end of the limiting spring 63323 is fixed on the inner rod 63321, when the outer tube 63322 is driven by the output shaft of the steering driving motor 631 to rotate, under the elastic force of the limiting spring 63323, the balls 63325 are abutted against the inner wall of the limiting ring 6333, and as the balls 63325 rotate on the limiting ring 6333, friction between the inner rod 63321 and the limiting ring 6333 can be reduced, and noise generated when the telescopic rod 6332 rotates is reduced. When the steering driving motor 631 rotates by a set angle, the inner rod 63321 extends into the limiting hole 63331 and pushes against the buffer plate 6335, and then the inner rod 63321 is driven by the buffer spring 6334, so that the inner rod 63321 is restored to a position where the inner rod 63321 should stop after the output shaft of the steering driving motor 631 rotates by the set angle, and the rotation angle of the turntable 632 is limited. Further, the accuracy of the rotation setting angle of the turntable 632 can be improved, the accuracy of the rotation setting angle of the drill bit 612 can be improved, the uniformity of a plurality of lightening holes formed on the gear blank 1 by the drill bit 612 can be improved, and the quality of the finished gear is better.
The reset assembly 634 includes a reset electric push rod 6341 and a reset pull rope 6342, the reset electric push rod 6341 is mounted on the inner wall of the outer tube 63322 and located on one side of the retaining plate 63324 opposite to the inner rod 63321, one end of the reset pull rope 6342 is fixed on the driving end of the reset electric push rod 6341, and the other end of the reset pull rope 6342 penetrates the retaining plate 63324 and is fixed on the inner rod 63321. When the drilling of the pair of weight reducing holes is completed, the steering driving motor 631 needs to be started to drive the turntable 632 to rotate by a set angle, at this time, the reset electric push rod 6341 is started to pull the reset pull rope 6342, and the pull rope pulls the inner rod 63321 to move towards the direction close to the sleeve 6331, so that the inner rod 63321 is pulled out from the limiting hole 63331, so as to reduce the possibility that the inner rod 63321 affects the steering driving motor 631 to drive the turntable 632 to rotate.
After the inner rod 63321 is pulled out of the limit hole 63331, the steering driving motor 631 is started, and then the reset electric push rod 6341 is started to enable the reset electric push rod 6341 not to pull the reset pull rope 6342 any more, so that the ball 63325 is abutted against the inner wall of the limit ring 6333, and after the steering driving motor 631 rotates for a set angle, the inner rod 63321 can be inserted into the limit hole 63331 to limit the turntable 632 under the action of the limit spring 63323.
The implementation principle of the drilling device in the embodiment of the application is as follows: after the gear blank 1 is fixed by the fixing device 5, the drilling driving motor 611 is started to drive the driving sprocket 613 to rotate, the driving sprocket 613 drives the driven sprockets 614 to synchronously rotate through the chain 615 to drive the drill bits 612 to synchronously rotate, and then the cylinder 622 is started to enable the lifting plate 623 to descend, so that the drill bits 612 can be driven to lift, a plurality of lightening holes are drilled on the gear blank 1, drilling efficiency of the lightening holes can be improved, and production efficiency of gears is improved. Compared with the condition that the lightening hole is punched through the die, the condition that the tooth blank 1 is clamped on the punch and is not easy to fall off can be reduced, the time for taking the tooth blank 1 off from the punch is saved, and the production efficiency of the gear can be further improved.
When the weight-reducing hole drilling is completed, the starting cylinder 622 drives the lifting plate 623 to ascend, then the steering driving motor 631 is started to rotate by a set angle, and the starting cylinder 622 drives the lifting plate 623 to descend, so that the drill bit 612 continues to drill the weight-reducing holes, and the cycle is completed until all the weight-reducing holes with the set number are drilled. The starting cylinder 622 drives the lifting plate 623 to reset, and the steering driving motor 631 is started to continue to rotate and reset so as to process the next tooth blank 1.
When the steering driving motor 631 rotates to a set angle to stop, the inner rod 63321 is inserted into the limiting hole 63331 under the action of the limiting spring 63323, and pushes the buffer plate 6335 under the inertia of the output shaft of the steering driving motor 631, so that the buffer spring 6334 is in a compressed state. After the inner rod 63321 is stopped, the driving telescopic rod 6332 is reset to a position where the telescopic rod 6332 should be stopped after the output shaft of the steering driving motor 631 rotates by a set angle under the elastic action of the buffer spring 6334. Therefore, when the rotation angle of the output shaft of the steering driving motor 631 is larger than the set angle under the action of inertia, the telescopic rod 6332 can be driven to reset under the action of the buffer spring 6334, that is, the position where the telescopic rod 6332 should stop after the rotation of the output shaft of the steering driving motor 631 by the set angle is restored. Further, the accuracy of the rotation setting angle of the turntable 632 can be improved, the accuracy of the rotation setting angle of the drill bit 612 can be improved, the uniformity of a plurality of lightening holes formed on the gear blank 1 by the drill bit 612 can be improved, and the quality of the finished gear is better.
The embodiment of the application discloses a processing technology of a gear blank.
A processing technology of a gear blank, comprising the following steps:
s1, cutting materials, namely cutting a gear blank column into blanks with the same thickness as that of a gear through an automatic band saw.
S2, drilling a central hole, carrying out plane milling and excircle turning treatment on the end face and the surface of the blank by a lathe, and drilling the central hole at the axis of the blank by the lathe to form the tooth blank 1.
S3, drilling a lightening hole, fixing the tooth blank 1 through the fixing device 5, and then drilling the lightening hole on the tooth blank 1 through the drilling device 6.
The specific step of S3 includes S3.1, penetrating the central hole of the tooth blank 1 through the positioning column 3 provided on the workbench 2, starting the traction electric push rod 411 to drive the connecting ring 4122 to descend, and driving the traction rope 421 by the connecting ring 4122 to move, so that each sliding block 53 moves towards the direction close to the tooth blank 1 until the sliding blocks 53 move to the lower side of the tooth blank 1 and are attached to the tooth blank 1, stopping traction of the electric push rod 411, starting the clamping driving motor 511 to enable the pressing plate 522 to abut against the top surface of the tooth blank 1, and enabling the top block 521 to abut against the side wall of the tooth blank 1 to fix the tooth blank 1.
S3.2, a drilling driving motor 611 is started to drive a plurality of drill bits 612 to rotate, a lifting plate 623 is started to descend by a cylinder 622, so that the drill bits 612 can be driven to lift, a plurality of lightening holes are drilled on a tooth blank 1, drilling efficiency of the lightening holes can be improved, and production efficiency of gears is improved.
After the weight-reducing hole drilling is completed, the starting cylinder 622 drives the lifting plate 623 to ascend, then the steering driving motor 631 is started to rotate for a set angle, when the steering driving motor 631 stops rotating for a set angle, the inner rod 63321 is inserted into the limiting hole 63331 to limit the rotation of the rotary table 632 under the action of the limiting spring 63323, the starting cylinder 622 drives the lifting plate 623 to descend, so that the drill bit 612 continues to drill the weight-reducing hole, the accuracy of the rotation of the rotary table 632 for the set angle can be improved by limiting the rotation of the rotary table 632, the accuracy of the rotation of the drill bit 612 for the set angle is improved, the uniformity of a plurality of weight-reducing holes drilled on the tooth blank 1 by the drill bit 612 is improved, and the quality of a finished gear is better.
After the weight-reducing hole is drilled again, the lifting plate 623 is driven to rise by the starting cylinder 622, the reset electric push rod 6341 is started to drive the inner rod 63321 to be pulled out of the limiting hole 63331, then the steering driving motor 631 is started, the reset electric push rod 6341 is started again to enable the reset electric push rod 6341 to not pull the reset pull rope 6342 any more, the ball 63325 is abutted against the inner wall of the limiting ring 6333, and after the steering driving motor 631 rotates for a set angle, the inner rod 63321 can be inserted into the limiting hole 63331 again to limit the turntable 632. And S3.2, repeating until the set number of weight-reducing holes are completely drilled.
S3.3, stopping the drilling driving motor 611, starting the cylinder 622 to drive the lifting plate 623 to reset, starting the steering driving motor 631 to continue to rotate to drive the turntable 632 to reset, starting the clamping driving motor 511 to drive the top block 521 and the pressing plate 522 to reset, starting the traction electric push rod 411 to reset the sliding block 53, and taking out the gear blank 1 with the drilling weight-reducing hole completed.
S4, processing an inner ruler and an outer gear, processing inner teeth on the hole wall of the central hole through a gear shaper, and processing an outer gear through a gear shaper to form a rough machined gear.
S5, performing heat treatment on the rough gear, namely placing the rough gear into a smelting furnace for heat treatment, firstly heating the rough gear to 600-650 ℃, weighing a metal surface hardening material, adding the metal surface hardening material into water, uniformly stirring, spraying the metal surface hardening material onto the surface of the rough gear, heating the rough gear to 700-730 ℃, maintaining the temperature for 1-2 hours, and taking out the rough gear, immersing the rough gear into cold oil for quenching.
And S6, polishing the rough gear, and carrying out fine polishing on the rough gear subjected to heat treatment through a grinding machine to form the gear meeting the specification requirement.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (6)
1. A processing technology of a gear blank, comprising the following steps:
s1, blanking, and manufacturing a blank;
s2, drilling a central hole, carrying out surface milling and excircle turning treatment on the end face and the surface of the blank by a milling machine, and drilling the central hole at the axis of the blank by the milling machine to form a tooth blank (1);
s3, drilling a lightening hole, and drilling the lightening hole on the tooth blank (1) through a drilling device (6);
s4, processing an inner ruler and an outer gear, processing inner teeth on the hole wall of the central hole through a gear shaper, and processing an outer gear through a gear shaper to form a rough machined gear;
s5, performing heat treatment on the rough machined gear, namely placing the rough machined gear into a smelting furnace for heat treatment, firstly heating the rough gear to 600-650 ℃, spraying a metal surface hardening material on the rough machined gear, then heating the rough gear to 700-730 ℃, and taking out the rough gear and immersing the rough gear into cold oil after maintaining for 1-2 hours;
s6, polishing the rough gear, namely performing fine polishing on the rough gear subjected to heat treatment through a grinding machine to form a gear meeting the specification requirement;
the method is characterized in that: s3.1, enabling a central hole of a tooth blank (1) to penetrate through a positioning column (3) arranged on a workbench (2), starting a moving device (4) to drive a plurality of fixing devices (5) to move towards a direction close to the tooth blank (1), stopping the moving device (4) until a sliding block (53) of the fixing devices (5) moves to the position below the tooth blank (1), and starting a clamping driving mechanism (51) of the fixing devices (5) to drive a clamping mechanism (52) of the fixing devices (5) to abut against the tooth blank (1);
s3.2, starting a drilling mechanism (61) of the drilling device (6), starting a lifting mechanism (62) of the drilling device (6) to drive the drilling mechanism (61) to descend to drill the lightening holes, starting the lifting mechanism (62) to ascend, starting a steering mechanism (63) of the drilling device (6) to drive the drilling mechanism (61) to rotate a set angle, and starting the lifting mechanism (62) to drive the drilling mechanism (61) to descend to drill the lightening holes, and repeating S3.2 until the lightening holes of the set number are drilled;
s3.3, stopping the drilling mechanism (61), starting the lifting mechanism (62) to reset, starting the steering mechanism (63) to reset, starting the clamping driving mechanism (51) to drive the clamping mechanism (52) to reset, starting the moving device (4) to reset, and taking out the tooth blank (1) with the weight-reducing holes drilled;
the steering mechanism (63) in the step S3.2 comprises a steering driving motor (631) and a turntable (632) rotatably connected to the lifting mechanism (62), the steering driving motor (631) is installed on the lifting mechanism (62), an output shaft of the steering driving motor (631) is coaxially connected with the turntable (632), and the drilling mechanism (61) is arranged on the turntable (632);
the drilling mechanism (61) in the step S3.2 comprises a drilling driving motor (611), a driving sprocket (613), a chain (615), a plurality of drill bits (612) and driven sprockets (614) arranged on the drill bits (612), wherein the drilling driving motor (611) is arranged on the turntable (632), and the drill bits (612) are rotatably connected to the turntable (632);
the driving sprocket (613) is coaxially connected to an output shaft of the drilling driving motor (611), the drilling driving motor (611) drives the driving sprocket (613) to rotate, and the driving sprocket (613) drives the driven sprockets (614) to rotate through the chain (615);
the moving device (4) in the step S3.1 comprises a traction driving mechanism (41), a plurality of traction mechanisms (42) for driving the sliding blocks (53) to move towards the tooth blank (1) and a reset spring (43) for driving the sliding blocks (53) to reset, a containing cavity (21) is arranged in the workbench (2), the traction driving mechanism (41) is arranged in the containing cavity (21), and the traction driving mechanism (41) is connected with the traction mechanisms (42);
the sliding block (53) is provided with a first dovetail block (54), the workbench (2) is provided with a first dovetail groove (22) for the first dovetail block (54) to slide in a matched manner, and the first dovetail block (54) is arranged in the first dovetail groove (22);
one end of the traction mechanism (42) away from the traction driving mechanism (41) is arranged on the first dovetail block (54);
the return spring (43) is positioned between the first dovetail block (54) and the positioning column (3), one end of the return spring (43) is arranged on the first dovetail block (54), and the other end of the return spring (43) is arranged on the groove wall of the first dovetail groove (22); traction mechanism (42) are equipped with gallows (423) including haulage rope (421) and fixed pulley (422) on the chamber wall of holding chamber (21), fixed pulley (422) rotate connect in on gallows (423), haulage rope (421) overlap joint in on fixed pulley (422), just one end of haulage rope (421) is located on first forked tail piece (54), the other end of haulage rope (421) is located on traction drive mechanism (41).
2. A process for machining a gear blank according to claim 1, wherein: the lifting mechanism (62) comprises a guide frame (621), an air cylinder (622) arranged on the guide frame (621) and a lifting plate (623) arranged on the guide frame (621) in a sliding mode, the lifting plate (623) is arranged on the driving end of the air cylinder (622), and the turntable (632) is connected to the lifting plate (623) in a rotating mode.
3. A process for machining a gear blank according to claim 1, wherein: the clamping mechanism (52) comprises a top block (521) and a pressing plate (522) which are arranged on the clamping driving mechanism (51), the top block (521) abuts against the side wall of the tooth blank (1), and the pressing plate (522) abuts against the top surface of the tooth blank (1).
4. A process for machining a gear blank according to claim 3, wherein: the clamping driving mechanism (51) comprises a clamping driving motor (511), a screw rod (512), a driving gear (513) and a rack (514), wherein a mounting frame (55) is arranged on the sliding block (53), the clamping driving motor (511) is mounted on the mounting frame (55), the screw rod (512) is coaxially connected to an output shaft of the clamping driving motor (511), and one end, far away from the clamping driving motor (511), of the screw rod (512) is rotatably connected to the sliding block (53);
the pressing plate (522) is sleeved on the screw rod (512) in a threaded mode, a limiting block (523) is arranged on the pressing plate (522), a limiting groove (551) for the limiting block (523) to slide in a matched mode is formed in the mounting frame (55), and the limiting block (523) is arranged in the limiting groove (551);
the top block (521) is arranged on the rack (514), the rack (514) is arranged on the sliding block (53) in a sliding mode, the driving gear (513) is coaxially connected to the screw (512), and the driving gear (513) is meshed with the rack (514).
5. A process for machining a gear blank according to claim 1, wherein: traction drive mechanism (41) include link (412) and traction electric putter (411), traction electric putter (411) install in accommodation chamber (21), link (412) are located on the drive end of traction electric putter (411), haulage rope (421) are located on link (412).
6. A process for machining a gear blank according to claim 5, wherein: the top wall of the accommodating cavity (21) is provided with a guide post (413), the connecting frame (412) comprises a connecting plate (4121), a connecting ring (4122) and a plurality of connecting rods (4123), the connecting plate (4121) is arranged at the driving end of the traction electric push rod (411), the connecting rods (4123) are arranged on the connecting plate (4121), and one end, far away from the connecting plate (4121), of the connecting rods (4123) is arranged on the connecting ring (4122);
the connecting ring (4122) is slidably sleeved on the guide post (413) and is attached to the guide post (413), and the traction rope (421) is arranged on the connecting ring (4122).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211015237.8A CN115194417B (en) | 2022-08-23 | 2022-08-23 | Gear blank processing technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211015237.8A CN115194417B (en) | 2022-08-23 | 2022-08-23 | Gear blank processing technology |
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| CN115194417A CN115194417A (en) | 2022-10-18 |
| CN115194417B true CN115194417B (en) | 2023-06-16 |
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| JPS55150940A (en) * | 1979-05-04 | 1980-11-25 | Nissho Seikou Kk | Method of producing gear and drilling device therefore |
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| CN107962203A (en) * | 2017-12-29 | 2018-04-27 | 重庆顺淮机械制造有限公司 | Gear loss of weight hole forming method |
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| CN209477170U (en) * | 2018-12-28 | 2019-10-11 | 合肥伊斯特电气有限公司 | A kind of power engineering cable shearing equipment |
| CN213230133U (en) * | 2020-07-15 | 2021-05-18 | 广西久盈建筑工程有限公司 | Fragment of brick handling device is used in civil engineering construction |
| CN113134747A (en) * | 2021-03-16 | 2021-07-20 | 安徽久信钢业有限公司 | Fixed-section cutting device for preparing cylindrical steel casting and casting process of fixed-section cutting device |
| CN114226804A (en) * | 2022-01-26 | 2022-03-25 | 江苏汇九齿轮有限公司 | Punching device with positioning mechanism for gear machining |
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2022
- 2022-08-23 CN CN202211015237.8A patent/CN115194417B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55150940A (en) * | 1979-05-04 | 1980-11-25 | Nissho Seikou Kk | Method of producing gear and drilling device therefore |
| CN103056629A (en) * | 2012-12-27 | 2013-04-24 | 重庆机床(集团)有限责任公司 | Shaft gear composite processing machine tool |
| CN107962203A (en) * | 2017-12-29 | 2018-04-27 | 重庆顺淮机械制造有限公司 | Gear loss of weight hole forming method |
| CN208005701U (en) * | 2018-04-02 | 2018-10-26 | 河北农业大学 | Lockable constant force clamping manipulator end effector apparatus |
| CN209477170U (en) * | 2018-12-28 | 2019-10-11 | 合肥伊斯特电气有限公司 | A kind of power engineering cable shearing equipment |
| CN213230133U (en) * | 2020-07-15 | 2021-05-18 | 广西久盈建筑工程有限公司 | Fragment of brick handling device is used in civil engineering construction |
| CN113134747A (en) * | 2021-03-16 | 2021-07-20 | 安徽久信钢业有限公司 | Fixed-section cutting device for preparing cylindrical steel casting and casting process of fixed-section cutting device |
| CN114226804A (en) * | 2022-01-26 | 2022-03-25 | 江苏汇九齿轮有限公司 | Punching device with positioning mechanism for gear machining |
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| Publication number | Publication date |
|---|---|
| CN115194417A (en) | 2022-10-18 |
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