CN117161483B - Bevel gear cutting lathe - Google Patents
Bevel gear cutting lathe Download PDFInfo
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- CN117161483B CN117161483B CN202311451355.8A CN202311451355A CN117161483B CN 117161483 B CN117161483 B CN 117161483B CN 202311451355 A CN202311451355 A CN 202311451355A CN 117161483 B CN117161483 B CN 117161483B
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- 238000005520 cutting process Methods 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000010720 hydraulic oil Substances 0.000 claims description 9
- 239000013013 elastic material Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000003754 machining Methods 0.000 abstract description 4
- 230000033001 locomotion Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
Abstract
The invention belongs to the technical field of machining, in particular to a bevel gear cutting lathe; comprising the following steps: a gear hobbing machine, comprising: a base; the gear hobbing mechanism is connected with the base in a sliding manner and can perform gear hobbing; clamping a material changing unit; the clamping and material changing unit is arranged on the gear hobbing machine tool and comprises a first clamping disc, a second clamping disc, a clamping piece, a first plate and a second plate; the first chuck and the second chuck can clamp the workpiece for the gear hobbing mechanism to hobbing, the clamping piece conveys the workpiece after hobbing to the second plate, and conveys the unprocessed workpiece on the first plate to the first chuck for the gear hobbing machine tool to process, so that the workpiece after hobbing is unloaded, and the workpiece without gear hobbing is fed for the gear hobbing mechanism to hobbing continuously; the manpower and material resources are saved, the downtime of the gear hobbing machine tool is reduced, and the production efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a bevel gear cutting lathe.
Background
Bevel gears are a type of mechanical element for transmitting force and motion; the tooth surface of the bevel gear is a conical surface and is mainly used in the fields of gearboxes, automobile differentials, machine tool transmission and the like; it is characterized by stable transmission, high transmission efficiency, etc.; common bevel gears are of the conical gear, spiral bevel gear and the like.
A gear hobbing machine is often used for producing bevel gears; when the gear hobbing machine is used for producing bevel gears, a workpiece is required to be fixed on a special fixture, and the workpiece is taken down after the production is finished; when the workpiece is loaded and unloaded, a worker is required to perform manual operation, and the gear hobbing machine tool is required to be stopped; therefore, the manual operation process consumes manpower and material resources, and the production efficiency is delayed by stopping the gear hobbing machine.
In view of this, the present invention solves the above-described technical problems by proposing a bevel gear cutting lathe.
Disclosure of Invention
In order to make up the deficiency of the prior art, the use automation degree of the gear hobbing machine tool is improved, and the downtime of the gear hobbing machine tool during feeding and discharging is reduced; the invention provides a bevel gear cutting lathe.
The technical scheme adopted for solving the technical problems is as follows: bevel gear cutting lathe, comprising: a gear hobbing machine, comprising: a base; the gear hobbing mechanism is connected with the base in a sliding manner and can perform gear hobbing; the bevel gear cutting lathe further includes: the clamping and material changing unit is arranged on the gear hobbing machine tool and can clamp the workpiece for gear hobbing of the gear hobbing mechanism, discharge the workpiece after gear hobbing, and then feed the workpiece without gear hobbing for gear hobbing of the gear hobbing mechanism;
the clamping and reloading unit comprises a first clamping disc, a second clamping disc, a clamping piece, a first plate and a second plate; the first chuck and the second chuck can clamp the workpiece for the gear hobbing mechanism to hobbing, the clamping piece conveys the workpiece after hobbing to the second plate, and conveys the unprocessed workpiece on the first plate to the first chuck for the gear hobbing machine tool to process, so that the workpiece after hobbing is unloaded, and the workpiece without gear hobbing is fed for the gear hobbing mechanism to hobbing continuously; the manpower and material resources are saved, the downtime of the gear hobbing machine tool is reduced, and the production efficiency is improved;
in this application, the gear hobbing machine can carry out the gear hobbing to the work piece, and similar prior art, gear hobbing machine can slide on the base, adjusts the distance with centre gripping reload unit to this satisfies the gear hobbing requirement of different size, different parameter work pieces.
Preferably, the clamping and reloading unit comprises: the first seat is fixedly arranged at the top of the base, and a first telescopic rod is fixedly arranged between the first seat and the gear hobbing mechanism; the top part of the first seat is rotationally connected with a first column, the top of the first column is fixedly connected with an I-shaped rod, a first motor is arranged in the first seat, and an output shaft of the first motor is fixedly connected with the first column; the two ends of the I-shaped rod are fixedly provided with first cylinder bodies near the bottom, each first cylinder body is connected with a first rod body in a sliding mode, the top of each first rod body is fixedly connected with a first chuck, the two ends of the I-shaped rod are fixedly connected with fixing rods near the top, and the bottom of each fixing rod is fixedly connected with a second chuck; the first seat is fixedly connected with the second seat, a first cavity and a second cavity are formed in the top of the second seat, a first plate is connected in the first cavity in a sliding mode, and a second plate is connected in the second cavity in a sliding mode; a driving unit for driving the first plate and the second plate to ascend or descend is arranged in the second seat; the clamping piece is fixedly provided with first brackets on two sides of the second seat, a sliding rail is fixedly arranged at the top of each first bracket, a moving block is connected in a sliding manner in each sliding rail, and the moving blocks can move back and forth along the sliding rails; two the one side that the movable block is close to each other has linked firmly No. two barrels, every No. two barrels sliding connection has No. two body of rod, every No. two body of rod's tip has linked firmly the holder.
Preferably, the first column is provided with two first grooves, the two first grooves are collinear, two first electromagnets are fixedly arranged at the positions corresponding to the first grooves inside the first seat, the end parts of the two first electromagnets are fixedly connected with first springs, and the other ends of the two first springs are fixedly connected with first bolts.
Preferably, the bottom of each first cylinder is fixedly provided with a second telescopic rod, the top of each second telescopic rod is fixedly connected with the bottom of the first rod body, a first pipeline is arranged inside the I-shaped rod and the first column, the bottom of the first column is provided with a rotary joint, the rotary joint is fixedly connected with a connecting pipe, and the other end of the connecting pipe is communicated with the inside of the second cylinder; the inside of the first cylinder is communicated with the inside of the second cylinder through a first pipeline, a rotary joint and a connecting pipe; the first cylinder, the first pipeline, the connecting pipe and the second cylinder are filled with hydraulic oil.
Preferably, the end part of each second rod body is fixedly connected with a second spring, the end part of each second spring is fixedly connected with a first plug, and each first plug is in sliding connection with the inner wall of the second cylinder;
a first telescopic rod is fixedly arranged between the first seat and the gear hobbing mechanism, and the distance between the gear hobbing mechanism and the clamping and material changing unit is adjusted through the telescopic action of the first telescopic rod, so that the gear hobbing requirements of workpieces with different sizes and different parameters are met; the two ends of the I-shaped rod are respectively provided with a first chuck and a second chuck, the first chuck is matched with the second chuck to clamp the workpiece, when in hobbing, the workpiece clamped by the first chuck and the second chuck which are close to the hobbing mechanism is used for hobbing by the hobbing mechanism, the workpiece clamped by the first chuck and the second chuck which are far away from the hobbing mechanism is an unprocessed workpiece, after hobbing, the first motor drives the first column and the I-shaped rod to rotate 180 degrees, the unprocessed workpiece and the workpiece after hobbing are transposed, then the hobbing mechanism can immediately hobbing the unprocessed workpiece, and the workpiece just processed in the hobbing process is unloaded and fed; the first cavity and the second cavity are of semi-enclosed structures with the top and one transparent side, and when the device works, the first plate is positioned near the bottom of the first cavity, the top of the second plate is flush with the top of the second cavity, and a plurality of unprocessed workpieces are placed on the first plate and stacked with each other; the machined workpieces are placed on a second plate after unloading, the second plate is lowered, the first plate is raised, the amplitude is the thickness of the workpieces, the machined workpieces are stored in a second cavity for stacking, the workpieces in the first cavity are fed onto a first chuck when being ejected out of the clamping pieces one by one for returning, and after the workpieces in the second cavity are stacked, workers can take the workpieces out from the side surfaces; the moving block can move back and forth in the sliding track in a way of being driven by a screw nut pair, and the screw is driven by a motor to rotate; the clamping piece can be in a semi-arc shape and is used for adapting to the contour of the bevel gear; the first slots are distributed at 180 degrees, and the first bolts are inserted into the first slots after each rotation, so that the purpose of stabilizing the I-shaped rod is achieved, the machining process is not affected, the first bolts are made of materials which can be absorbed by magnets, such as iron, the first bolts can be absorbed by the first electromagnet, and the first springs are in a compressed state after the absorption; the second telescopic rod stretches to realize lifting of the first chuck, and when the first chuck descends to the maximum, the height of the second telescopic rod just corresponds to the clamping piece; the workpiece is placed on the first chuck, the first chuck ascends to contact and press the second chuck, and the workpiece is clamped and fixed; when the second telescopic rod contracts, hydraulic oil in the first cylinder is extruded to enter the second cylinder to drive the second rod body to extend, and when the first chuck descends to the maximum limit, the second rod body extends to the maximum limit, namely, after the first chuck and the second chuck loosen a workpiece, the clamping piece clamps the workpiece; when No. one chuck is provided with a workpiece, the No. two rod bodies stretch, the No. two springs are in the original positions, when No. one chuck is provided with a workpiece, the No. two rod bodies are blocked, so hydraulic oil extrudes a No. one plug, the No. two springs shrink, and the No. two springs shrink to different degrees according to the workpieces with different sizes, so that the hydraulic oil is suitable for the workpieces with different sizes.
Preferably, the driving unit includes: the driving shaft is rotatably connected to the bottom of the second seat and positioned in the middle of the first plate and the second plate, and the driven shaft is rotatably connected to the right upper part of the driving shaft; and the driving shaft and the driven shaft are sleeved with a rotating belt, and the first plate and the second plate are fixedly connected to the rotating belt.
Preferably, the auxiliary block is fixedly connected to one side, away from each other, of the first plate and the second plate, the top and the bottom of the part, corresponding to the auxiliary block, inside the second seat are respectively and rotatably connected with the guide roller, the top of each auxiliary block is respectively and fixedly connected with the traction rope, and each traction rope is wound on the driving shaft by bypassing the corresponding guide roller.
Preferably, two pressure sensors are arranged on each sliding track, and the two pressure sensors are positioned on the running route of the moving block and correspond to the positions of the first plate and the second plate;
the driving shaft can be driven by the band-type brake motor, namely, when the motor does not work, the output shaft cannot rotate randomly; in the initial state, the first plate is positioned at a position of the first cavity close to the bottom, and the top of the second plate is flush with the top of the second cavity; the first plate and the second plate are fixedly connected with a rotating belt, and the rotating belt rotates to realize the ascending and descending of the first plate and the second plate; when the second plate descends, the first plate ascends, the movement amplitude is consistent, the rotation time of the driving shaft can be controlled, and the movement amplitude is controlled to be exactly equal to the thickness of the bevel gear; the first plate and the second plate are fixedly connected with traction ropes, the other ends of the two traction ropes are wound on the driving shaft, when the driving shaft rotates, one traction rope is wound, and the other traction rope is released, so that the driving shaft rotates to drive the rotating belt to rotate, the first plate rises, the second plate descends, at the moment, the driving shaft winds the traction rope connected with the first plate, the traction rope connected with the second plate is released, and the connection relationship is shown in fig. 8 and 9, so that the traction ropes cooperate with the rotating belt to act together, the rotating belt drives one side of the first plate to rise, and the other side of the rotating belt is pulled by the traction rope to rise; the second plate descends in the same way, and the first plate and the second plate are uniformly stressed at the two sides when ascending and descending, so that the second plate is not easy to clamp; each sliding track is provided with two pressure sensors, the two pressure sensors are positioned on the running route of the moving block and correspond to the first plate and the second plate, when the moving block moves to the position of the pressure sensor corresponding to the second plate, the moving block stops, the corresponding second telescopic rod stretches, namely the clamping piece releases the clamping, then the driving shaft starts, the second plate descends, the first plate ascends, then the moving block returns, when the moving block moves to the position of the pressure sensor corresponding to the first plate, the moving block stops, the corresponding second telescopic rod shortens, the clamping piece clamps a workpiece, and then the workpiece is moved to the first chuck; note that the moving block needs to contact the pressure sensor corresponding to the second plate before the pressure sensor corresponding to the first plate acts.
Preferably, the end of each clamping piece is made of elastic material;
the end of the clamping piece is made of elastic materials, such as rubber, and is used for protecting the workpiece from being worn by the clamping piece.
The beneficial effects of the invention are as follows:
1. the bevel gear cutting lathe is characterized in that a clamping and material changing unit is arranged on a gear hobbing machine tool and comprises a first chuck, a second chuck, a clamping piece, a first plate and a second plate; the first chuck and the second chuck can clamp the workpiece for the gear hobbing mechanism to hobbing, the clamping piece conveys the workpiece after hobbing to the second plate, and conveys the unprocessed workpiece on the first plate to the first chuck for the gear hobbing machine tool to process, so that the workpiece after hobbing is unloaded, and the workpiece without gear hobbing is fed for the gear hobbing mechanism to hobbing continuously; the manpower and material resources are saved, the downtime of the gear hobbing machine tool is reduced, and the production efficiency is improved.
2. According to the bevel gear cutting lathe, a workpiece is clamped by a first chuck and a second chuck for gear hobbing of a gear hobbing mechanism, after gear hobbing is completed, the machine is stopped briefly, the processed workpiece and an unprocessed workpiece are transposed, and starting machining is continued; then the clamping piece moves the work piece to No. two boards department, and No. two boards drive the work piece to descend, and so on, the work piece that processes stacks on No. two boards, simultaneously, no. one board is piled on having a plurality of unprocessed work piece, and No. one board drives unprocessed work piece and risees, and the clamping piece is with unprocessed work piece centre gripping and the motion on No. one board, is placed on No. one chuck afterwards, and No. one chuck cooperation No. two chucks are with work piece centre gripping later, the next processing of being convenient for.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a second embodiment of the present invention;
FIG. 3 is a schematic perspective view of the first and second chambers of the present invention;
FIG. 4 is a cross-sectional view of an I-beam of the present invention;
FIG. 5 is an enlarged view of a portion at A of FIG. 4;
FIG. 6 is a top cross-sectional view of the slide rail of the present invention;
FIG. 7 is a partial enlarged view at B of FIG. 6;
FIG. 8 is a cross-sectional view of a second seat of the present invention;
FIG. 9 is a partial enlarged view at C of FIG. 8;
in the figure: 1. a base; 2. a gear hobbing mechanism; 21. a first telescopic rod; 3. clamping a material changing unit; 31. a first seat; 32. a first column; 321. a first groove; 322. a first electromagnet; 323. a first spring; 324. a first bolt; 33. an I-shaped rod; 34. a motor I; 35. a first cylinder; 351. a first rod body; 352. a first chuck; 36. a fixed rod; 361. a second chuck; 37. a second seat; 371. a first cavity; 372. a second cavity; 373. a first plate; 374. a second plate; 38. a clamping member; 381. a first bracket; 382. a sliding rail; 383. a moving block; 384. a second cylinder; 385. a second rod body; 4. a second telescopic rod; 41. a first pipeline; 42. a rotary joint; 43. a connecting pipe; 5. a second spring; 51. a first plug; 6. a driving shaft; 61. a driven shaft; 62. rotating the belt; 63. an auxiliary block; 64. a guide roller; 65. pulling the rope; 7. a pressure sensor.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 and 2, the bevel gear cutting lathe according to the present invention includes: a gear hobbing machine, comprising: a base 1; the gear hobbing mechanism 2 is connected with the base 1 in a sliding manner, and the gear hobbing mechanism 2 can perform gear hobbing; the bevel gear cutting lathe further includes: the clamping and reloading unit 3 is arranged on the gear hobbing machine tool, the clamping and reloading unit 3 can clamp the workpiece and feed the gear hobbing mechanism 2 for hobbing, and can discharge the workpiece after hobbing, and then the workpiece which is not hobbing is fed for continuous gear hobbing of the gear hobbing mechanism 2.
When the bevel gear is produced by a gear hobbing machine tool in work, a workpiece is required to be fixed on a special fixture, and the workpiece is taken down after the production is finished; when the workpiece is loaded and unloaded, a worker is required to perform manual operation, and the gear hobbing machine tool is required to be stopped; the manual operation process consumes manpower and material resources, and the production efficiency is delayed by stopping the gear hobbing machine; the gear hobbing machine is provided with a clamping and reloading unit 3, and the clamping and reloading unit 3 comprises a first clamping plate 352, a second clamping plate 361, a clamping piece 38, a first plate 373 and a second plate 374; the first chuck 352 and the second chuck 361 can clamp the workpiece for the gear hobbing mechanism 2 to hobbing, the clamping piece 38 conveys the workpiece after the gear hobbing to the second plate 374, and then conveys the unprocessed workpiece on the first plate 373 to the first chuck 352 for the gear hobbing machine to process, so that the unloading of the workpiece after the gear hobbing is realized, and the feeding of the workpiece without the gear hobbing is continued for the gear hobbing mechanism 2 to hobbing; the manpower and material resources are saved, the downtime of the gear hobbing machine tool is reduced, and the production efficiency is improved;
in this application, gear hobbing machine 2 can be to the work piece hobbing, and similar prior art, gear hobbing machine 2 can slide on base 1, adjusts the distance with centre gripping reload unit 3 to this meets the gear hobbing requirement of different size, different parameter work pieces.
As a specific embodiment of the present invention, as shown in fig. 1, 2, 3, 4, 6, and 7; the clamp reloading unit 3 comprises: a first seat 31, a first seat 31 is fixedly arranged at the top of the base 1, and a first telescopic rod 21 is fixedly arranged between the first seat 31 and the gear hobbing mechanism 2; the top part of the first seat 31 is rotationally connected with a first column 32, the top of the first column 32 is fixedly connected with an I-shaped rod 33, a first motor 34 is arranged in the first seat 31, and an output shaft of the first motor 34 is fixedly connected with the first column 32; the parts of the two ends of the I-shaped rod 33, which are close to the bottom, are fixedly provided with first cylinder bodies 35, first rod bodies 351 are connected in a sliding manner in each first cylinder body 35, first chucks 352 are fixedly connected to the top of each first rod body 351, the parts of the two ends of the I-shaped rod 33, which are close to the top, are fixedly connected with fixed rods 36, and second chucks 361 are fixedly connected to the bottom of each fixed rod 36; the second seat 37 is fixedly connected with one end of the base 1, a first cavity 371 and a second cavity 372 are formed in the top of the second seat 37, a first plate 373 is connected in the first cavity 371 in a sliding mode, and a second plate 374 is connected in the second cavity 372 in a sliding mode; a driving unit for driving the first plate 373 and the second plate 374 to ascend or descend is arranged in the second seat 37; the clamping piece 38, two sides of the second seat 37 are fixedly provided with first brackets 381, the top of each first bracket 381 is fixedly provided with a sliding rail 382, each sliding rail 382 is connected with a moving block 383 in a sliding manner, and the moving blocks 383 can move back and forth along the sliding rails 382; one surface of the two moving blocks 383, which is close to each other, is fixedly connected with a second cylinder 384, a second rod 385 is slidably connected in each second cylinder 384, and the end part of each second rod 385 is fixedly connected with a clamping piece 38;
as shown in fig. 5; two first grooves 321 are formed in the first post 32, the two first grooves 321 are collinear, two first electromagnets 322 are fixedly arranged in the first seat 31 at positions corresponding to the first grooves 321, the ends of the two first electromagnets 322 are fixedly connected with first springs 323, and a first bolt 324 is fixedly connected with the other ends of the two first springs 323;
as shown in fig. 4, 5, 6, 7; the bottom of each first cylinder 35 is fixedly provided with a second telescopic rod 4, the top of each second telescopic rod 4 is fixedly connected with the bottom of a first rod body 351, a first pipeline 41 is arranged inside the I-shaped rod 33 and the first column 32, a rotary joint 42 is arranged at the bottom of the first column 32, the rotary joint 42 is fixedly connected with a connecting pipe 43, and the other end of the connecting pipe 43 is communicated with the inside of the second cylinder 384; the interior of the first cylinder 35 is communicated with the interior of the second cylinder 384 through a first pipeline 41, a rotary joint 42 and a connecting pipe 43; the first cylinder 35, the first pipeline 41, the connecting pipe 43 and the second cylinder 384 are filled with hydraulic oil;
as shown in fig. 7; the end part of each second rod 385 is fixedly connected with a second spring 5, the end part of each second spring 5 is fixedly connected with a first plug 51, and each first plug 51 is in sliding connection with the inner wall of a second cylinder 384;
during operation, a first telescopic rod 21 is fixedly arranged between the first seat 31 and the gear hobbing mechanism 2, and the distance between the gear hobbing mechanism 2 and the clamping and material changing unit 3 is adjusted through the telescopic action of the first telescopic rod 21, so that the gear hobbing requirements of workpieces with different sizes and different parameters are met; the first chuck 352 and the second chuck 361 are arranged at two ends of the I-shaped rod 33, the first chuck 352 is matched with the second chuck 361 to clamp a workpiece, during hobbing, the workpiece clamped by the first chuck 352 and the second chuck 361 which are close to the hobbing mechanism 2 is used for hobbing by the hobbing mechanism 2, the workpiece clamped by the first chuck 352 and the second chuck 361 which are far away from the hobbing mechanism 2 is an unprocessed workpiece, after hobbing, the first motor 34 drives the first column 32 and the I-shaped rod 33 to rotate 180 degrees, the unprocessed workpiece and the workpiece after hobbing are transposed, then the hobbing mechanism 2 can immediately hobbing the unprocessed workpiece, and during hobbing, the workpiece just processed is unloaded and fed; the first cavity 371 and the second cavity 372 are of semi-enclosed structures with the top and one side being transparent, and when the device works, the first plate 373 is located near the bottom of the first cavity 371, the top of the second plate 374 is flush with the top of the second cavity 372, and a plurality of unprocessed workpieces are placed on the first plate 373 and stacked with each other; the machined workpieces are placed on a second plate 374 after unloading, the second plate 374 is lowered, the first plate 373 is lifted, the amplitude is the thickness of the workpieces, the machined workpieces are stored in a second cavity 372 for stacking, the workpieces in the first cavity 371 are fed onto a first chuck 352 when being ejected out of clamping pieces 38 one by one for returning, and after the workpieces in the second cavity 372 are stacked, workers can take the workpieces out from the side surfaces; the moving block 383 can move back and forth in the sliding track 382 in a screw-nut pair driving mode, and the motor drives the screw to rotate; the clamp 38 may be semi-arcuate to accommodate the contour of the bevel gear; the first slots 321 are distributed at 180 degrees, and the first bolts 324 are inserted into the first slots 321 after each rotation, so that the purpose of stabilizing the I-shaped rod 33 is to not influence the processing process, the first bolts 324 are made of materials which can be absorbed by magnets, such as iron, the first electromagnet 322 can absorb the first bolts 324, and the first springs 323 after absorption are in a compressed state; the second telescopic rod 4 stretches to realize lifting of the first chuck 352, and when the first chuck 352 descends to the maximum, the height of the second telescopic rod corresponds to the clamping piece 38; the workpiece is placed on the first chuck 352, the first chuck 352 ascends to contact and press the second chuck 361, so that the workpiece is clamped and fixed; when the second telescopic rod 4 is contracted, hydraulic oil in the first cylinder 35 is extruded to enter the second cylinder 384 to drive the second rod 385 to extend, and when the first clamping plate 352 is lowered to the maximum limit, the second rod 385 extends to the maximum limit, namely, after the first clamping plate 352 and the second clamping plate 361 loosen a workpiece, the clamping piece 38 clamps the workpiece; when the first chuck 352 is provided with a workpiece, the second rod 385 is stretched, the second spring 5 is in the original position, and when the first chuck 352 is provided with a workpiece, the second rod 385 is blocked, so that hydraulic oil extrudes the first plug 51, and the second spring 5 is contracted, so that the second spring 5 is contracted to different degrees according to the workpieces with different sizes, and the hydraulic oil is suitable for the workpieces with different sizes;
during processing, the first chuck 352 and the second chuck 361 clamp a workpiece for gear hobbing of the gear hobbing mechanism 2, after gear hobbing is completed, the machine is stopped briefly, the first electromagnet 322 is electrified to attract the first plug pin 324 to be separated from the first groove 321 to unlock the first column 32, then the first motor 34 rotates 180 degrees to replace the processed workpiece with an unprocessed workpiece, and starting processing is continued; the second telescopic rod 4 close to the second seat 37 is contracted to drive the first chuck 352 to move downwards, meanwhile, the second rod 385 is extended, when the first chuck 352 drives the processed workpiece to move downwards to the maximum extent, the clamping piece 38 clamps the workpiece, then the moving block 383 moves to drive the clamping piece 38 to move, when the second telescopic rod 4 close to the second seat 37 moves to the second plate 374, the second telescopic rod 4 is extended to drive the second rod 385 to shorten, the processed workpiece is placed above the second plate 374, the second plate 374 drives the workpiece to move downwards, and the like, the processed workpiece is piled on the second plate 374, meanwhile, a plurality of unprocessed workpieces are piled on the first plate 373, the first plate 373 drives the unprocessed workpieces to rise, then the clamping piece 38 returns, when the first telescopic rod 4 close to the first plate 373 moves to the first plate 373, the first chuck 352 descends, the second telescopic rod 385 continues to extend, the unprocessed workpiece on the first plate 373 clamps and moves, then the first chuck is placed on the first chuck 352, the second chuck 352 is stretched, the first telescopic rod 373 is lifted up, the first chuck 385 is matched with the first chuck 373, and the second chuck 385 is convenient to loosen the processed workpiece by the second chuck 385.
As a specific embodiment of the present invention, as shown in fig. 8 and 9; the drive unit includes: the driving shaft 6 is rotatably connected with the bottom of the second seat 37 and the middle parts of the first plate 373 and the second plate 374, and a driven shaft 61 is rotatably connected right above the driving shaft 6; the rotating belt 62 is sleeved on the driving shaft 6 and the driven shaft 61, and the first plate 373 and the second plate 374 are fixedly connected to the rotating belt 62;
as shown in fig. 8 and 9; the auxiliary blocks 63 are fixedly connected to one sides, far away from each other, of the first plate 373 and the second plate 374, the top and the bottom of the part, corresponding to the auxiliary blocks 63, inside the second seat 37 are respectively and rotatably connected with the guide rollers 64, the top of each auxiliary block 63 is fixedly connected with a traction rope 65, and each traction rope 65 is wound on the driving shaft 6 by bypassing the corresponding guide roller 64;
as shown in fig. 6; each sliding track 382 is provided with two pressure sensors 7, and the two pressure sensors 7 are positioned on the running route of the moving block 383 and correspond to the parts of the first plate 373 and the second plate 374;
when in work, the driving shaft 6 can be driven by the band-type brake motor, namely, when the motor is not in work, the output shaft cannot rotate at will; in the initial state, the first plate 373 is positioned at a position of the first cavity 371 near the bottom, and the top of the second plate 374 is flush with the top of the second cavity 372; the first plate 373 and the second plate 374 are fixedly connected with the rotating belt 62, and the rotating belt 62 rotates to realize the ascending and descending of the first plate 373 and the second plate 374; when the second plate 374 descends, the first plate 373 ascends, the movement amplitude is consistent, the rotation time of the driving shaft 6 can be controlled, and the movement amplitude is controlled to be exactly equal to the thickness of the bevel gear; the first plate 373 and the second plate 374 are fixedly connected with the traction ropes 65, the other ends of the two traction ropes 65 are wound on the driving shaft 6, when the driving shaft 6 rotates, one traction rope 65 is wound, the other traction rope 65 is released, so when the driving shaft 6 rotates to drive the rotating belt 62 to rotate, the first plate 373 rises, the second plate 374 descends, at the moment, the driving shaft 6 winds the traction rope 65 connected with the first plate 373, the traction rope 65 connected with the second plate 374 is released, the connection relationship is shown in fig. 8 and 9, and the traction ropes 65 cooperate with the rotating belt 62 to enable the rotating belt 62 to drive one side of the first plate 373 to rise, and the other side of the rotating belt 62 is pulled by the traction rope 65 to rise; the second plate 374 descends, so that the first plate 373 and the second plate 374 are uniformly stressed at the two sides when ascending and descending, and are not easy to be blocked; each sliding track 382 is provided with two pressure sensors 7, the two pressure sensors 7 are positioned on the running route of the moving block 383 and correspond to the positions of the first plate 373 and the second plate 374, when the moving block 383 moves to the position of the pressure sensor 7 corresponding to the second plate 374, the moving block 383 stops, the corresponding second telescopic rod 4 stretches, namely the clamping piece 38 releases the clamping, then the driving shaft 6 starts, the second plate 374 descends, the first plate 373 ascends, then the moving block 383 returns, when the moving block 383 moves to the position of the pressure sensor 7 corresponding to the first plate 373, the moving block 383 stops, the corresponding second telescopic rod 4 shortens, the clamping piece 38 clamps a workpiece, and then the workpiece is moved to the first clamping disc 352; it should be noted that, after the moving block 383 contacts the pressure sensor 7 corresponding to the second plate 374, the pressure sensor 7 corresponding to the first plate 373 will not function.
The end of each clamping piece 38 is made of elastic material;
in operation, the end of the clamping member 38 is made of an elastic material, such as rubber, to protect the workpiece from abrasion by the clamping member 38.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the protection scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. Bevel gear cutting lathe, comprising: a gear hobbing machine, comprising:
a base (1);
the gear hobbing machine comprises a gear hobbing mechanism (2), wherein the gear hobbing mechanism (2) is connected to the base (1) in a sliding manner, and the gear hobbing mechanism (2) can perform gear hobbing;
the method is characterized in that: the bevel gear cutting lathe further includes:
the clamping and material changing unit (3) is arranged on the gear hobbing machine tool, the clamping and material changing unit (3) can clamp a workpiece to be subjected to gear hobbing by the gear hobbing mechanism (2), can discharge the workpiece subjected to gear hobbing, and then can feed the workpiece which is not subjected to gear hobbing to continue to be subjected to gear hobbing by the gear hobbing mechanism (2);
the clamping and reloading unit (3) comprises:
the first seat (31) is fixedly arranged at the top of the base (1), and a first telescopic rod (21) is fixedly arranged between the first seat (31) and the gear hobbing mechanism (2); the top part of the first seat (31) is rotationally connected with a first column (32), the top of the first column (32) is fixedly connected with an I-shaped rod (33), a first motor (34) is arranged in the first seat (31), and an output shaft of the first motor (34) is fixedly connected with the first column (32); a first cylinder body (35) is fixedly arranged at the position, close to the bottom, of the two ends of the I-shaped rod (33), a first rod body (351) is connected in a sliding manner in each first cylinder body (35), a first chuck (352) is fixedly connected to the top of each first rod body (351), a fixed rod (36) is fixedly connected to the position, close to the top, of the two ends of the I-shaped rod (33), and a second chuck (361) is fixedly connected to the bottom of each fixed rod (36);
the base (1) is fixedly connected with a second seat (37), a first cavity (371) and a second cavity (372) are formed in the top of the second seat (37), a first plate (373) is connected in the first cavity (371) in a sliding mode, and a second plate (374) is connected in the second cavity (372) in a sliding mode; a driving unit for driving the first plate (373) and the second plate (374) to ascend or descend is arranged in the second seat (37);
the clamping piece (38), two sides of the second seat (37) are fixedly provided with first brackets (381), the top of each first bracket (381) is fixedly provided with a sliding track (382), each sliding track (382) is connected with a moving block (383) in a sliding manner, and the moving blocks (383) can move back and forth along the sliding tracks (382); one surface that two movable blocks (383) are close to each other has linked firmly No. two barrels (384), every No. two barrels (384) sliding connection has No. two body of rod (385), every No. two body of rod (385)'s tip has linked firmly clamping piece (38).
2. The bevel gear cutting lathe of claim 1 wherein: two slots (321) are formed in the first column (32), the two slots (321) are collinear, two first electromagnets (322) are fixedly arranged at the positions, corresponding to the slots (321), inside the first seat (31), of the first seat, the end parts of the two first electromagnets (322) are fixedly connected with first springs (323), and the other ends of the two first springs (323) are fixedly connected with first bolts (324).
3. The bevel gear cutting lathe of claim 2 wherein: the bottom of each first cylinder body (35) is fixedly provided with a second telescopic rod (4), the top of each second telescopic rod (4) is fixedly connected with the bottom of a first rod body (351), a first pipeline (41) is arranged inside each I-shaped rod (33) and a first column (32), a rotary joint (42) is arranged at the bottom of each first column (32), a connecting pipe (43) is fixedly connected with the rotary joint (42), and the other end of the connecting pipe (43) is communicated with the inside of each second cylinder body (384); the inside of the first cylinder (35) is communicated with the inside of the second cylinder (384) through a first pipeline (41), a rotary joint (42) and a connecting pipe (43), and the inside of the first cylinder (35), the first pipeline (41), the connecting pipe (43) and the inside of the second cylinder (384) are filled with hydraulic oil.
4. A bevel gear cutting lathe according to claim 3 wherein: the end part of each second rod body (385) is fixedly connected with a second spring (5), the end part of each second spring (5) is fixedly connected with a first plug (51), and each first plug (51) is in sliding connection with the inner wall of a second cylinder body (384).
5. The bevel gear cutting lathe of claim 4 wherein: the driving unit includes:
the driving shaft (6) is rotatably connected to the bottom of the second seat (37) and the middle parts of the first plate (373) and the second plate (374), and a driven shaft (61) is rotatably connected to the right upper part of the driving shaft (6);
and the driving shaft (6) and the driven shaft (61) are sleeved with a rotating belt (62), and the first plate (373) and the second plate (374) are fixedly connected to the rotating belt (62).
6. The bevel gear cutting lathe of claim 5 wherein: one side that board (373), no. two boards (374) kept away from each other has linked firmly auxiliary block (63), the inside position top and the bottom that corresponds auxiliary block (63) of No. two seat (37) all rotate and are connected with guide roll (64), every the top of auxiliary block (63) has all linked firmly traction rope (65), every traction rope (65) all winds on driving shaft (6) around corresponding guide roll (64).
7. The bevel gear cutting lathe of claim 6 wherein: two pressure sensors (7) are arranged on each sliding track (382), and the two pressure sensors (7) are positioned on the running route of the moving block (383) and correspond to the positions of the first plate (373) and the second plate (374).
8. The bevel gear cutting lathe of claim 7 wherein: the end of each clamping piece (38) is made of elastic materials.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311451355.8A CN117161483B (en) | 2023-11-03 | 2023-11-03 | Bevel gear cutting lathe |
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| CN202311451355.8A CN117161483B (en) | 2023-11-03 | 2023-11-03 | Bevel gear cutting lathe |
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| CN117161483B true CN117161483B (en) | 2024-02-23 |
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| CN218487373U (en) * | 2022-08-02 | 2023-02-17 | 山东庆昌传动科技有限公司 | High-speed gear hobbing machine for motor production |
| CN219358165U (en) * | 2023-01-03 | 2023-07-18 | 烟台迈赛特精密机械有限公司 | Gear hobbing device for gear ring machining |
| CN219704321U (en) * | 2023-04-26 | 2023-09-19 | 日照市亚昊机械科技有限公司 | Feeding device for three-head boring machine tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4519733A (en) * | 1981-08-05 | 1985-05-28 | Carl Hurth Maschinen- Und Zahnradfabrik Gmbh & Co. | Method and apparatus for automatically exchanging a workpiece in a machine tool |
| CN213004052U (en) * | 2020-06-01 | 2021-04-20 | 大连职业技术学院 | Automatic feeding and discharging clamping device of numerical control machine tool |
| CN112238266A (en) * | 2020-10-24 | 2021-01-19 | 上海万众实业股份有限公司 | Numerical control gear hobbing machine tool |
| CN113579373A (en) * | 2021-07-05 | 2021-11-02 | 厦门珍雪科技有限公司 | A industrial robot for gear machining |
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| CN114505545A (en) * | 2022-03-10 | 2022-05-17 | 六安江淮永达机械制造有限公司 | Automatic go up unloading formula major axis gear hobbing processing equipment |
| CN218487373U (en) * | 2022-08-02 | 2023-02-17 | 山东庆昌传动科技有限公司 | High-speed gear hobbing machine for motor production |
| CN219358165U (en) * | 2023-01-03 | 2023-07-18 | 烟台迈赛特精密机械有限公司 | Gear hobbing device for gear ring machining |
| CN219704321U (en) * | 2023-04-26 | 2023-09-19 | 日照市亚昊机械科技有限公司 | Feeding device for three-head boring machine tool |
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| Publication number | Publication date |
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| CN117161483A (en) | 2023-12-05 |
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