CN116460372B - Cooling structure for gear hobbing machine - Google Patents
Cooling structure for gear hobbing machine Download PDFInfo
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- CN116460372B CN116460372B CN202310721859.0A CN202310721859A CN116460372B CN 116460372 B CN116460372 B CN 116460372B CN 202310721859 A CN202310721859 A CN 202310721859A CN 116460372 B CN116460372 B CN 116460372B
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- cooling
- gear hobbing
- gear
- hobbing machine
- machine body
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- 238000001816 cooling Methods 0.000 title claims abstract description 80
- 239000007788 liquid Substances 0.000 claims abstract description 102
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 239000000110 cooling liquid Substances 0.000 claims abstract description 31
- 239000007921 spray Substances 0.000 claims abstract description 20
- 238000001914 filtration Methods 0.000 claims description 47
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 36
- 229910052742 iron Inorganic materials 0.000 claims description 18
- 238000007664 blowing Methods 0.000 claims description 14
- 238000004064 recycling Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 4
- 238000000429 assembly Methods 0.000 claims 4
- 238000003754 machining Methods 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 10
- 239000002826 coolant Substances 0.000 description 19
- 239000002893 slag Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 15
- 238000000926 separation method Methods 0.000 description 15
- 239000010410 layer Substances 0.000 description 12
- 230000008569 process Effects 0.000 description 12
- 210000001161 mammalian embryo Anatomy 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
The application relates to the technical field of gear blank processing, in particular to a cooling structure for a gear hobbing machine, which comprises a cooling mechanism arranged on a gear hobbing machine body, wherein the cooling mechanism comprises a cooling pipe, a cooling spray head and a liquid supply assembly, two cooling pipes are arranged on the gear hobbing machine body, the cooling pipes are respectively provided with the cooling spray heads, one cooling spray head faces to a gear top frame of the gear hobbing machine body, and the other cooling spray head faces to a gear hobbing cutter position of the gear hobbing machine body; the liquid supply assembly is arranged on the gear hobbing machine body and supplies cooling liquid for the cooling pipe. The application has the effects of reducing the temperature in the gear machining process and improving the machining precision of the gear.
Description
Technical Field
The application relates to the technical field of gear blank processing, in particular to a cooling structure for a gear hobbing machine.
Background
At present, a gear hobbing machine is the most widely applied machine tool in gear machining machine tools, and can cut straight-tooth and helical-tooth cylindrical gears, worm gears, chain wheels and the like. And (3) machining the straight-tooth, helical-tooth and herringbone-tooth cylindrical gears and gear blanks of the worm gears by using a hobbing cutter according to a generating method. When the machine tool uses a special gear hobbing cutter, various workpieces with special tooth shapes such as a spline, a chain wheel and the like can be processed.
The existing gear hobbing machine generally uses a mandrel to fix a gear blank, then uses a top frame to prop against the gear blank and then rotates the mandrel to enable the gear blank to rotate, meanwhile, a rotary hobbing cutter is arranged on one side of the gear blank to process the rotating gear blank, and cooling water is used for cooling the processing positions of the hobbing cutter and the gear blank in the processing process.
In the process of realizing the application, the inventor finds that at least the following problems exist in the technology, the processing position of the gear blank is only cooled in the processing process, the temperature of the top frame is also raised after the top frame rotates at a high speed, and for the long-time use of the top frame, the continuous temperature rise easily leads the top frame to generate fine deformation, so that the rotation track of the gear blank is changed, and the processing precision is changed.
Disclosure of Invention
In order to reduce the temperature of parts of the gear hobbing machine in the gear processing process and improve the processing precision of the gear, the application provides a cooling structure for the gear hobbing machine.
The application provides a cooling structure for a gear hobbing machine, which adopts the following technical scheme:
the cooling mechanism comprises a cooling pipe, a cooling spray head and a liquid supply assembly, wherein the cooling pipe, the cooling spray head and the liquid supply assembly are arranged on a gear hobbing machine body; the liquid supply assembly is arranged on the gear hobbing machine body and supplies cooling liquid for the cooling pipe.
Through adopting above-mentioned technical scheme, at first will wait to process the gear blank fixed on the gear hobbing machine body, then carry out the gear hobbing work to the gear blank with the gear hobbing machine body, in gear hobbing work goes on, the liquid feed subassembly is the cooling tube provides the coolant liquid, the coolant liquid sprays respectively on the gear roof-rack of gear hobbing machine and gear blank processing position department through two cooling shower nozzles, cool down the gear roof-rack of gear hobbing machine body, gear blank and gear hobbing cutter, the continuous irregular deformation that heaies up of gear roof-rack in the in-process of processing gear has been reduced, the change of gear blank central axis position that leads to has reduced the condition that the machining precision that the gear blank rotation track changed leads to appears, make gear blank, gear roof-rack and the gear hobbing cutter of gear hobbing machine body keep suitable scope in gear blank course of working, and then make the machining precision keep.
Optionally, the liquid supply assembly includes a liquid supply tank and a liquid supply pump, the liquid supply tank is arranged on the gear hobbing machine body and is positioned below the gear blank and the gear hobbing cutter of the gear hobbing machine body, and the liquid supply pump is arranged in the liquid supply tank and is connected with the two cooling pipes; the recycling mechanism comprises a blowing component and a filtering component, the blowing component is arranged on the gear hobbing machine body and used for blowing cooling liquid sprayed on a top frame of the gear hobbing machine body into the liquid supply tank, and the filtering component is arranged in the liquid supply tank and used for filtering scrap iron.
Through adopting above-mentioned technical scheme, in gear blank processing's in-process, drive the coolant liquid with the feed pump and take out from the feed liquor pond and put into the cooling tube, the coolant liquid gets into the cooling shower nozzle through the cooling tube and sprays on gear blank, gear roof-rack and the gear hobbing cutter of gear hobbing machine body, the coolant liquid that is used for the gear roof-rack cooling of gear hobbing machine flows to on the gear blank, then through blast module, blow it to in the feed liquor pond, then filter the iron slag among them through filtering module, when retrieving the mechanism through feed liquor subassembly, make the coolant liquid obtain retrieving the use, iron slag too much has been reduced simultaneously, the influence to gear blank processingquality, make machining precision keep.
Optionally, the filter component includes first filter frame, first filter screen, second filter screen and third filter screen, first filter frame sets up on the liquid feed pond, first filter screen the second filter screen with the second filter screen sets gradually on the first filter frame, first filter screen the second filter screen with the aperture of third filter screen reduces in proper order.
By adopting the technical scheme, the cooling liquid falls on the gear blank, the fan is started, and the fan conveys wind to the gear blank, so that the cooling liquid flows along the gear blank, flows and falls in the liquid supply tank; the arranged blowing component is simple in structure, and the situation that the cooling liquid flows to the outer side of the liquid supply tank is reduced by applying power to the cooling liquid, so that the waste of resources is reduced, meanwhile, the phenomenon that the cooling liquid flies in disorder due to the centrifugal force when the gear blank is driven by the gear hobbing machine body to rotate can be overcome, and further, the working environment is kept clean and tidy, and the waste of the cooling liquid is reduced; meanwhile, the whole gear blank can be cooled, and the influence of temperature rise in the processing process on the processing precision is reduced.
Optionally, the air blowing assembly further includes a deflector disposed on the gear hobbing machine body and located below the gear blank for guiding the cooling liquid into the liquid supply tank.
Through adopting above-mentioned technical scheme, when the coolant liquid on the gear embryo spare flows to the guide plate on, then in the water supply pond is got into in the water conservancy diversion of guide plate, the guide plate that sets up carries out the water conservancy diversion to the coolant liquid, has reduced the condition appearance that the coolant liquid was flowed outward, further has reduced the waste of coolant liquid.
Optionally, the filter component includes first filter frame, first filter screen, second filter screen and third filter screen, first filter frame sets up on the liquid feed pond, first filter screen the second filter screen with the second filter screen sets gradually on the first filter frame, first filter screen the second filter screen with the aperture of third filter screen reduces in proper order.
Through adopting above-mentioned technical scheme, after the coolant liquid flows to first filter screen on from the gear embryo spare, carries out the filtration of great iron slag through first filter screen, then accomplishes the multilayer through second filter screen and third filter screen in proper order and filter the effect better, and reduce the iron slag gathering of multiple equidimension, influence the filtration for the filter effect can be kept, can reduce the iron slag simultaneously and get into the coolant liquid and participate in the cooling once more, makes the machining precision can keep.
Optionally, the filter component is provided with the multiunit, and multiunit filter component is in through slide mechanism slides and is set up on the feed tank.
Through adopting above-mentioned technical scheme, when the filter component filter effect on upper strata worsens, drive the filter component on upper strata with slide mechanism and keep away from the confession pond for the filter component on next floor carries out the filter effect, and the multilayer filter component of setting can slide, makes the filter effect keep, and makes the filtration efficiency keep, and then does not influence the use of coolant liquid, reduces the coolant liquid simultaneously and detains and overflow and flow into in the confession pond, then makes the iron slag participate in the cooling work of next time, makes machining precision keep.
Optionally, the sliding mechanism includes link, mount and slip subassembly, the mount sets up on the gear hobbing machine body and is located supply liquid bath top, slide on the mount and be connected with the multiunit the link, all be provided with on the link filter assembly, the slip subassembly sets up on the mount, a plurality of the link all with the slip subassembly is connected, the slip subassembly drives a plurality of the link batch slides.
Through adopting above-mentioned technical scheme, when the iron slag on the filter component is accumulated more, it slides to drive the filter component on the link with sliding component, the filter component who gathers more iron slag's impurity slides along with the link, make the filter component of lower floor carry out filtration work, sliding mechanism who sets up, make the separable work of multilayer filter component, make the filter effect of filter component keep, the frequency of clearance filter component has been reduced, only need all to block up the back of a plurality of filter components, unified clearance once, and then make work efficiency's improvement, multiunit filter component can make more thoroughly to the filtration of coolant liquid simultaneously, reduce the iron slag that misses and get into and participate in the next cooling process, reduce the influence to gear embryo machining precision.
Optionally, the slip subassembly includes hoist engine, haulage rope and linkage, and is a plurality of the filter component passes through the linkage is connected, the hoist engine sets up on the mount, the haulage rope twines on the hoist engine, the haulage rope with the linkage can dismantle and be connected, the hoist engine twines when the haulage rope, the haulage rope passes through the linkage drives a plurality of the filter component batch rises.
Through adopting above-mentioned technical scheme, when the filter equipment on upper strata filters more iron slag, start the hoist engine, the hoist engine drives the haulage rope winding, and the haulage rope passes through the link of link drive upper strata and slides, and the link drives filter equipment and slides to when the iron slag on lower floor filter equipment is more, drive lower floor filter equipment and slide, the slip subassembly simple structure of setting, and convenient operation.
Optionally, the linkage piece includes a slider, a clamping block and a clamping spring, the traction rope is sleeved with a plurality of sliders, the sliders are respectively connected with a plurality of connecting frames, the clamping block is slidably arranged on the sliders, the clamping spring is arranged on the sliders, and the clamping spring is connected with the clamping block and drives the clamping block to prop against the traction rope; the fixing frame is provided with a separating mechanism which is used for driving the clamping blocks to be far away from the traction ropes.
By adopting the technical scheme, when the filtering component on the upper layer filters more iron slag, the winch is started, the winch drives the traction rope to wind, the clamping spring drives the clamping block to tightly prop against the traction rope, the traction rope drives the sliding block on the connecting frame on the upper layer to slide, the connecting frame drives the filtering component to slide, then the separating mechanism drives the clamping block to be far away from the traction rope, the winch is continuously driven, the winch drives the traction rope to slide, and the traction rope drives the filtering component on the connecting frame on the lower layer to slide; the linkage assembly is simple in structure, the filter assembly can slide conveniently, meanwhile, the connection between the clamping block and the traction rope can be realized through the separating mechanism at any time, the operation is convenient, and the filtering effect is kept.
Optionally, the separating mechanism includes a separating block and a driving block, the separating block is slidingly connected to the fixing frame and has the same sliding direction as the clamping block, and the separating block is abutted to the clamping block and drives the clamping block to slide; the driving block is connected with the sliding block and slides along the length direction of the fixing frame, and the driving block is abutted with the separating block and drives the separating block to slide.
By adopting the technical scheme, in the process that the sliding block slides along the fixing frame, the sliding block drives the driving block to slide, the driving block is abutted with the separating block, the driving block drives the separating block to slide, the separating block drives the clamping block to slide, the clamping block overcomes the elastic force of the clamping spring and is separated from the traction rope, then the traction rope continues to slide, and the upper-layer sliding block is separated from the traction rope and does not slide along with the traction rope; the separating mechanism is simple in structure and does not need to be additionally operated, so that the separation of the traction rope and the single-layer filtering component is more convenient and quick, and the working efficiency is improved.
Optionally, the separating mechanism further comprises a limiting plate, the limiting plate is arranged on one side, close to the separating block, of the sliding block, and the limiting block is abutted to the side wall, close to the liquid supply tank, of the separating block.
By adopting the technical scheme, when the traction rope drives the sliding block to ascend, the separation block is abutted with the side wall of the limiting block far away from the liquid supply tank, so that the traction rope penetrates through the sliding block and slides relative to the sliding block, the sliding block can be limited by the arranged limiting block to slide continuously, and the traction rope can be separated from the sliding block; the limiting plate that sets up simple structure, and can realize the separation of slider and haulage rope fast, reduced the people and participated in the degree.
Optionally, a sub-filtering assembly is further arranged on the gear hobbing machine body, the sub-filtering assembly comprises a second filtering frame and a fourth filtering screen, the second filtering frame is arranged on the gear hobbing machine body, the blowing assembly blows cooling liquid for cooling the gear top frame to the second filtering frame, and the fourth filtering screen is arranged on the second filtering frame.
Through adopting above-mentioned technical scheme, comparatively clean to fixed establishment refrigerated coolant liquid, separately filter, can reduce the coolant liquid and concentrate on filtering assembly department and filter for filtering assembly department is crowded, makes the feed efficiency of coolant liquid lower, and comparatively clean coolant liquid filtration rate is faster, and then can supply the cooling that is used as gear embryo spare, fixed establishment and gear hobbing machine fast, reduces the deformation of equipment, makes the machining precision of gear embryo spare keep.
In summary, the application has the following beneficial technical effects:
1. firstly, fixing a gear blank to be machined on a gear hobbing machine body, then, carrying out gear hobbing on the gear blank by using the gear hobbing machine body, wherein in the gear hobbing process, a liquid supply assembly supplies cooling liquid to a cooling pipe, the cooling liquid is respectively sprayed on a gear top frame of the gear hobbing machine and a gear blank machining position by two cooling spray heads, the gear top frame of the gear hobbing machine body, the gear blank and a gear hobbing cutter are cooled, the continuous temperature rising irregular deformation of the gear top frame in the gear machining process is reduced, the change of the central axis position of the gear blank is caused, the occurrence of the reduction of machining precision caused by the change of the rotation track of the gear blank is reduced, and the temperature of the gear top frame of the gear hobbing machine body and the gear hobbing cutter is kept in a proper range in the gear blank machining process, so that the machining precision is kept;
2. when the upper layer filtering component filters more iron slag, starting a winch, enabling the winch to drive a traction rope to wind, enabling a clamping spring to drive a clamping block to tightly prop against the traction rope, enabling the traction rope to drive a sliding block on a connecting frame of the upper layer to slide, enabling the connecting frame to drive the filtering component to slide, then enabling the clamping block to be far away from the traction rope by using a separating mechanism, continuing to drive the winch, enabling the winch to drive the traction rope to slide, and enabling the traction rope to drive the filtering component on the connecting frame of the lower layer to slide; the arranged linkage piece has a simple structure, is convenient for the sliding of the filtering component, can realize the connection of the clamping block and the traction rope through the separating mechanism at any time, and is convenient for operation, so that the filtering effect is maintained;
3. when the traction rope drives the sliding block to ascend, the separation block is abutted with the side wall of the limiting block far away from the liquid supply tank, so that the traction rope penetrates through the sliding block and slides relative to the sliding block, the sliding block can be limited by the limiting block to slide continuously, and the traction rope can be separated from the sliding block; the limiting plate that sets up simple structure, and can realize the separation of slider and haulage rope fast, reduced the people and participated in the degree.
Drawings
FIG. 1 is an elevation view of a cooling structure for a gear hobbing machine in an embodiment of the present application;
FIG. 2 is a schematic view of the mounting position of the cooling mechanism according to the embodiment of the present application;
FIG. 3 is a schematic diagram of a blower assembly according to an embodiment of the present application;
FIG. 4 is a schematic view of a filter assembly according to an embodiment of the present application;
FIG. 5 is a schematic view of the installation position of a second filter frame according to an embodiment of the present application;
FIG. 6 is a schematic view of a sliding mechanism according to an embodiment of the present application;
FIG. 7 is a schematic view of a separating mechanism according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a filter assembly according to an embodiment of the present application.
Reference numerals: 100. a gear hobbing machine body; 110. a gear top frame; 120. hobbing cutter; 200. a gear blank; 400. a cooling mechanism; 410. a cooling tube; 420. cooling the spray head; 430. a liquid supply assembly; 431. a liquid supply tank; 432. a liquid supply pump; 500. a recovery mechanism; 510. a blowing assembly; 511. a liquid baffle; 512. a blower; 513. a deflector; 514. a wind deflector; 520. a filter assembly; 521. a partition plate; 522. a first filter frame; 523. a first filter screen; 524. a second filter screen; 525. a third filter screen; 526. a filter box; 530. a sub-filtering component; 531. a second filter frame; 532. a fourth filter screen; 600. a sliding mechanism; 610. a connecting frame; 620. a fixing frame; 630. a sliding assembly; 631. a hoist; 632. a traction rope; 633. a linkage member; 634. a slide block; 635. a clamping block; 636. a clamping spring; 637. a limit joint; 638. a relief groove; 700. a separation mechanism; 710. separating the blocks; 720. a driving block; 730. a limiting plate; 740. a fixed block; 741. a sliding hole; 742. a driving groove; 743. a sliding groove; 750. pushing the frame.
Detailed Description
The present application is described in further detail below with reference to fig. 1-8.
The embodiment of the application discloses a cooling structure for a gear hobbing machine.
Referring to fig. 1, the cooling structure for a gear hobbing machine includes a cooling mechanism 400 disposed on a gear hobbing machine body 100, the cooling mechanism 400 is used for cooling a gear head frame 110 and a gear hobbing cutter 120 of the gear hobbing machine body 100, and when gear processing is performed, a gear blank 200 is fixed on the gear head frame 110 of the gear hobbing machine body 100, and then the gear blank 200 is processed by the gear hobbing cutter 120, and in the gear hobbing process, the cooling mechanism 400 is used for cooling the gear blank 200, the head frame of the gear hobbing machine body 100 and the gear hobbing cutter 120 of the gear hobbing machine body 100.
Referring to fig. 1 and 3, the cooling mechanism 400 includes two cooling pipes 410, one of the two cooling pipes 410 is fixedly connected to the gear top frame 110 of the gear hobbing machine body 100 and can slide along with the gear top frame 110, the other cooling pipe 410 is fixedly connected to the gear hobbing machine body 100 and is located above the contact position of the gear blank 200 and the gear hobbing cutter 120, cooling spray heads 420 are fixedly connected to the cooling pipes 410, one cooling spray head 420 is arranged around the gear top frame 110 of the gear hobbing machine body 100 and is provided with spray holes, and the other cooling spray head 420 is flat and has an opening parallel to the axis of the gear hobbing cutter 120, so that the spray range of cooling liquid is increased; the gear hobbing machine body 100 is provided with a liquid supply assembly 430, the liquid supply assembly 430 comprises a liquid supply tank 431 fixedly connected to the gear hobbing machine body 100, and the liquid supply tank 431 is positioned below the gear blank 200 and the gear hobbing cutter 120; a liquid supply pump 432 is fixedly connected in the liquid supply tank 431, and the water outlet end of the liquid supply pump 432 is connected with the cooling pipe 410 and pumps the cooling liquid in the liquid supply tank 431 into the cooling pipe 410.
Referring to fig. 3 and 4, a recovery mechanism 500 is provided on the gear hobbing machine body 100, the recovery mechanism 500 includes a blowing component 510, the blowing component 510 includes a wind guard 514 fixedly connected to the gear hobbing machine body 100, the gear spindle passes through the wind guard 514, the wind guard 514 is located at one side of the gear blank 200 near the liquid supply tank 431, and one end of the wind guard 514 near the gear hobbing cutter 120 is inclined toward the direction near the liquid supply tank 431; the wind shield 514 is fixedly connected with a liquid baffle 511, and the liquid baffle 511 is arc-shaped and circumferentially arranged along the gear blank 200; a fan 512 is fixedly connected to the liquid baffle 511, and an air outlet of the fan 512 penetrates through the liquid baffle 511 and faces one side, far away from the liquid supply tank 431, of the wind baffle 514; the gear hobbing machine body 100 is fixedly connected with a guide plate 513, the guide plate 513 is bent and arranged at the processing position of the gear blank 200 and the gear hobbing cutter 120, and one end of the guide plate 513 away from the liquid baffle 511 is obliquely arranged towards the direction close to the liquid supply tank 431.
Referring to fig. 4 and 5, a sub-filter assembly 530 is disposed on the liquid supply tank 431, the sub-filter assembly 530 includes a second filter frame 531, the second filter frame 531 is fixedly connected to the liquid supply tank 431, a fourth filter screen 532 is fixedly connected to the second filter frame 531, the fourth filter screen 532 is located below an end of the wind shield 514 near the liquid supply tank 431, the wind shield 514 guides the cooling liquid to the fourth filter screen 532 for filtering, and then flows into the liquid supply tank 431.
Referring to fig. 6, 7 and 8, a sliding mechanism 600 is disposed on a liquid supply tank 431, the sliding mechanism 600 includes a fixing frame 620 fixedly connected to the liquid supply tank 431, three connecting frames 610 are slidably connected to the fixing frame 620, a sliding component 630 driving the connecting frames 610 to slide is disposed on the fixing frame 620, the sliding component 630 includes a winch 631 fixedly connected to the fixing frame 620, the winch 631 is located at one end of the fixing frame 620 far away from the liquid supply tank 431, a traction rope 632 is wound on the winch 631, a linkage 633 connected to the connecting frames 610 is disposed on the traction rope 632, the linkage 633 includes a plurality of sliding blocks 634 fixedly connected to the connecting frames 610, penetrating holes for the traction rope 632 to penetrate are formed on the sliding blocks 634, the traction rope 632 sequentially penetrates through the penetrating holes of the sliding blocks 634, a plurality of limiting joints 637 are fixedly connected to the traction rope 632, and the limiting joints 637 can penetrate through the penetrating holes, and a traction rope 632 is reserved between two adjacent connecting frames 610; the sliding block 634 is provided with a sliding cavity, a clamping block 635 is slidably connected in the sliding cavity, the clamping block 635 can be abutted with the traction rope 632, an abutting groove is formed in one end, close to the traction rope 632, of the clamping block 635, and the abutting groove is matched with the traction rope 632 and abuts against the traction rope 632; a clamping spring 636 is fixedly connected in the sliding cavity, the clamping spring 636 is fixedly connected with a clamping block 635, and the clamping spring 636 pushes the clamping block 635 to tightly prop against the traction rope 632; the fixing frame 620 is provided with a separating mechanism 700, and the separating mechanism 700 is used for driving the clamping block 635 to be far away from the traction rope 632, so as to separate the clamping block 635 from the traction rope 632.
Referring to fig. 7, the separating mechanism 700 includes a plurality of fixing blocks 740 fixedly connected to the fixing frame 620, the fixing blocks 740 being disposed along a length direction of the fixing frame 620, and three fixing blocks 740 are preferably disposed in a row along a width direction of the fixing frame 620 in the present embodiment; the side wall of each fixed block 740, which is close to the sliding block 634, is provided with sliding holes 741, and the distances between the three sliding holes 741 and the liquid supply tank 431 are sequentially shortened; the sliding hole 741 is slidably connected with a separating block 710, the sliding direction of the separating block 710 is perpendicular to the moving direction of the sliding block 634, and the separating block 710 can be abutted with the clamping block 635 and drive the clamping spring 636 connected with the clamping block 635 to shrink; each slider 634 is provided with a yielding groove 638 which is convenient for the sliding of the separation block 710, the three yielding grooves 638 on the three sliders 634 respectively correspond to the three separation blocks 710, the side wall of the yielding groove 638, which is close to the liquid supply tank 431, is fixedly connected with a limiting plate 730, and the limiting plate 730 can be abutted with the separation block 710 and limit the separation block 710 to pass through the sliders 634; a driving groove 742 communicated with the sliding hole 741 is formed at one end of the fixed block 740 close to the separation block 710, a driving block 720 is slidably connected in the driving groove 742, the driving block 720 can be abutted against the separation block 710, a guide surface is formed at one end of the driving block 720 abutted against the separation block 710, the guide surface is obliquely arranged, one end of the guide surface, which is far away from the liquid supply tank 431, is inclined towards a direction away from the separation block 710, and the driving block 720 drives the separation block 710 to approach the clamping block 635 when sliding towards a direction away from the liquid supply tank 431; in order to facilitate the sliding of the driving block 720, a sliding groove 743 is formed on the side wall of the fixed block 740, the sliding blocks 634 are fixedly connected with pushing frames 750, one end of each pushing frame 750, which is far away from the sliding block 634, slides in the sliding groove 743, and the pushing frames 750 can be abutted with the driving block 720 and drive the driving block 720 to slide; when the pushing frame 750 is abutted against the driving block 720, the driving block 720 drives the separating block 710 to push the clamping block 635 away from the traction rope 632, and the separating block 710 is inserted into the sliding cavity.
Referring to fig. 4, 6 and 8, the filter assembly 520 includes a filter box 526, a filter cavity is formed in the filter box 526, a liquid inlet hole communicated with the filter cavity is formed on an outer sidewall of the filter box 526, a baffle 521 is integrally formed at one end of the baffle 513 near the liquid supply tank 431, the baffle 521 is obliquely arranged, and one end of the baffle 521 far from the baffle 513 is close to the liquid supply tank 431 and extends to the liquid inlet hole; the filter box 526 is fixedly connected to the fixing frame 620, the side wall of the filter box 526, which is close to the fixing frame 620, is provided with a mounting hole, the fixing frame 620 covers the mounting hole of the filter box 526, and the bottom wall of the filter box 526 is provided with a plurality of filter holes communicated with the liquid supply tank 431; the connecting frame 610 is integrally provided with a first filter frame 522, the side wall of the first filter frame 522 far away from the liquid supply tank 431 is sequentially connected with a third filter screen 525, a second filter screen 524 and a first filter screen 523 in a sliding manner, the pore diameters of the first filter screen 523, the second filter screen 524 and the third filter screen 525 are sequentially reduced, and a space for accommodating iron slag is formed between the first filter screen 523 and the second filter screen 524, and between the third filter screen 525 and the second filter screen 524. When the three filter screens on the connecting frame 610 are plugged by the iron slag, the winch 631 is started, the winch 631 drives the traction rope 632 to slide, the traction rope 632 drives the limit joint 637 to be abutted with the clamping block 635, the traction rope 632 drives the sliding block 634 to slide, the sliding block 634 drives the connecting frame 610 to slide, and the first filter screen 523, the second filter screen 524 and the third filter screen 525 on the lower layer are exposed under the liquid inlet holes, so that the flowing-in cooling liquid is convenient to filter.
The implementation principle of the cooling structure for the gear hobbing machine provided by the embodiment of the application is as follows: when the gear blank 200 is processed, firstly, the gear blank 200 to be processed is installed on a gear mandrel, the gear blank 200 rotates along with the gear hobbing machine body 100, the gear hobbing cutter 120 rotates, and turning and hobbing are carried out on the gear blank 200; in the gear hobbing operation process, a liquid supply pump 432 is started, the liquid supply pump 432 conveys cooling liquid in a liquid supply tank 431 into a cooling pipe 410, then the cooling liquid is sprayed on a gear mandrel and a top frame through a cooling spray head 420, and part of the cooling liquid is sprayed at the processing positions of the gear blank 200 and the gear hobbing cutter 120; then part of the cooling liquid spreads along the gear blank 200, the fan 512 is started, the fan 512 drives the cooling liquid flowing onto the wind shield 514 to flow onto the fourth filter screen 532, less iron slag is remained on the fourth filter screen 532 after the cooling liquid is filtered by the fourth filter screen 532, and the filtered cooling liquid enters the liquid supply tank 431; the other part of the cooling liquid for cooling the gear blank 200 and the gear hobbing cutter 120 flows onto the first filter screen 523 through the guide plate 513 and the partition plate 521, and then is filtered through the first filter screen 523, the second filter screen 524 and the third filter screen 525, so that clean cooling liquid is formed and enters the liquid supply tank 431, and the cooling liquid is conveniently provided for processing the gear blank 200.
When the first filter screen 523, the second filter screen 524 and the third filter screen 525 on the upper layer are blocked, a winch 631 is started, the winch 631 drives a traction rope 632 to slide, a clamping spring 636 drives a clamping block 635 to tightly prop against the traction rope 632, a limiting joint 637 on the traction rope 632 is propped against the clamping block 635 and drives a sliding block 634 to slide along a fixed frame 620, the sliding block 634 drives a pushing frame 750 to slide, the pushing frame 750 is propped against a driving block 720 and then drives the driving block 720 to slide, the driving block 720 drives a separating block 710 to slide, the separating block 710 drives the clamping block 635 to slide, the separating block 710 is inserted into a sliding cavity of the clamping block 635, the clamping block 635 is separated from the traction rope 632, and the first filter screen 523, the second filter screen 524 and the third filter screen 525 on the second layer perform filtering work; when the second layer filter component 520 is blocked, the winch 631 continues to drive the traction rope 632 to ascend, and the traction rope 632 stretches to drive the second layer filter component 520 to ascend.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (5)
1. The cooling structure for the gear hobbing machine comprises a cooling mechanism (400) arranged on a gear hobbing machine body (100), and is characterized in that the cooling mechanism (400) comprises a cooling pipe (410), a cooling spray head (420) and a liquid supply assembly (430), two cooling pipes (410) are arranged on the gear hobbing machine body (100), the cooling spray heads (420) are arranged on the cooling pipes (410), one cooling spray head (420) faces to a gear top frame (110) of the gear hobbing machine body (100), and the other cooling spray head (420) faces to a gear hobbing cutter (120) of the gear hobbing machine body (100); the liquid supply assembly (430) is arranged on the gear hobbing machine body (100) and supplies cooling liquid for the cooling pipe (410);
the liquid supply assembly (430) comprises a liquid supply tank (431) and a liquid supply pump (432), the liquid supply tank (431) is arranged on the gear hobbing machine body (100) and is positioned below the gear blank (200) and the gear hobbing cutter (120) of the gear hobbing machine body (100), and the liquid supply pump (432) is arranged in the liquid supply tank (431) and is connected with the two cooling pipes (410); the recycling mechanism (500) is arranged on the liquid supply tank (431), the recycling mechanism (500) comprises a blowing component (510) and a filtering component (520), the blowing component (510) is arranged on the gear hobbing machine body (100) and is used for blowing cooling liquid sprayed on a gear top frame (110) of the gear hobbing machine body (100) into the liquid supply tank (431), and the filtering component (520) is arranged in the liquid supply tank (431) and is used for filtering scrap iron;
the filter assemblies (520) are provided with a plurality of groups, and the filter assemblies (520) are slidably arranged on the liquid supply tank (431) through a sliding mechanism (600);
the sliding mechanism (600) comprises a connecting frame (610), a fixing frame (620) and a sliding assembly (630), wherein the fixing frame (620) is arranged on the gear hobbing machine body (100) and is positioned above the liquid supply tank (431), a plurality of groups of the connecting frames (610) are connected to the fixing frame (620) in a sliding mode, the filtering assembly (520) is arranged on the connecting frames (610), the sliding assembly (630) is arranged on the fixing frame (620), a plurality of the connecting frames (610) are connected with the sliding assembly (630), and the sliding assembly (630) drives a plurality of the connecting frames (610) to slide in batches;
the sliding assembly (630) comprises a winch (631), a traction rope (632) and a linkage piece (633), a plurality of filtering assemblies (520) are connected through the linkage piece (633), the winch (631) is arranged on the fixing frame (620), the traction rope (632) is wound on the winch (631), the traction rope (632) is detachably connected with the linkage piece (633), and when the winch (631) winds the traction rope (632), the traction rope (632) drives a plurality of filtering assemblies (520) to ascend in batches through the linkage piece (633);
the linkage piece (633) comprises a sliding block (634), a clamping block (635) and a clamping spring (636), a plurality of sliding blocks (634) are sleeved on the traction rope (632), the sliding blocks (634) are respectively connected with the connecting frames (610), the clamping block (635) is arranged on the sliding blocks (634) in a sliding mode, the clamping spring (636) is arranged on the sliding blocks (634), and the clamping spring (636) is connected with the clamping block (635) and drives the clamping block (635) to prop against the traction rope (632); the fixing frame (620) is provided with a separating mechanism (700), and the separating mechanism (700) is used for driving the clamping block (635) to be far away from the traction rope (632).
2. The cooling structure for a gear hobbing machine according to claim 1, characterized in that the air blowing assembly (510) comprises a wind deflector (514) and a fan (512), the wind deflector (514) is arranged on the gear hobbing machine body (100) and is arranged around a gear blank (200) on the gear hobbing machine body (100), the fan (512) is arranged on the gear hobbing machine body (100) and an air outlet is arranged on the wind deflector (514), and the fan (512) blows cooling liquid dropping on a gear top frame (110) of the gear hobbing machine body (100) into the liquid supply tank (431).
3. The cooling structure for a gear hobbing machine according to claim 1 or 2, characterized in that the filter assembly (520) includes a first filter frame (522), a first filter screen (523), a second filter screen (524) and a third filter screen (525), the first filter frame (522) being provided on the liquid supply tank (431), the first filter screen (523), the second filter screen (524) and the third filter screen (525) being provided in this order on the first filter frame (522), the apertures of the first filter screen (523), the second filter screen (524) and the third filter screen (525) being reduced in this order.
4. The cooling structure for a gear hobbing machine according to claim 1, characterized in that the separating mechanism (700) comprises a separating block (710) and a driving block (720), the separating block (710) is slidingly connected to the fixing frame (620) and has the same sliding direction as the clamping block (635), and the separating block (710) abuts against the clamping block (635) and drives the clamping block (635) to slide; the driving block (720) is connected with the sliding block (634) and slides along the length direction of the fixing frame (620), and the driving block (720) is abutted with the separating block (710) and drives the separating block (710) to slide.
5. The cooling structure for a gear hobbing machine according to claim 1, characterized in that a sub-filtering assembly (530) is further provided on the gear hobbing machine body (100), the sub-filtering assembly (530) includes a second filtering frame (531) and a fourth filtering screen (532), the second filtering frame (531) is provided on the gear hobbing machine body (100), the air blowing assembly (510) blows cooling liquid for cooling the gear top frame (110) onto the second filtering frame (531), and the fourth filtering screen (532) is provided on the second filtering frame (531).
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| CN202310721859.0A CN116460372B (en) | 2023-06-19 | 2023-06-19 | Cooling structure for gear hobbing machine |
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| CN202310721859.0A CN116460372B (en) | 2023-06-19 | 2023-06-19 | Cooling structure for gear hobbing machine |
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|---|---|
| CN116460372A (en) | 2023-07-21 |
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