CN107030338A - Gearbox gear conjunction gear locking face extruding machining apparatus - Google Patents
Gearbox gear conjunction gear locking face extruding machining apparatus Download PDFInfo
- Publication number
- CN107030338A CN107030338A CN201710294901.XA CN201710294901A CN107030338A CN 107030338 A CN107030338 A CN 107030338A CN 201710294901 A CN201710294901 A CN 201710294901A CN 107030338 A CN107030338 A CN 107030338A
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- CN
- China
- Prior art keywords
- locking face
- nut
- machining apparatus
- cutter
- clamping seats
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F15/00—Methods or machines for making gear wheels of special kinds not covered by groups B23F7/00 - B23F13/00
- B23F15/06—Making gear teeth on the front surface of wheels, e.g. for clutches or couplings with toothed faces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/02—Loading, unloading or chucking arrangements for workpieces
- B23F23/06—Chucking arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/12—Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth
- B23F23/1237—Tool holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
This patent is related to automobile gearbox gear manufacturing technology field, discloses a kind of gearbox gear conjunction gear locking face extruding machining apparatus, including rotating mechanism, clamp system and squeezing knife tool head, and squeezing knife tool head is used to clamp cutter;Clamp system includes being used to install the clamping seats of the workpiece in conjunction gear locking face to be processed and for the pressing device by Work-sheet pressing on clamping seats, and pressing device is detachably connected on clamping seats;Rotating mechanism can drive clamp system and workpiece to rotate using structures such as chuck, the tailstocks on conventional lathe.This patent is intended to provide a kind of gearbox gear conjunction gear locking face extruding machining apparatus, to reduce the processing cost in small lot processing conjunction gear locking face.
Description
Technical field
The present invention relates to automobile gearbox gear manufacturing technology field.
Background technology
Usually require to use the gear with toothing is combined, vapour during current small and medium-sized car gearbox conversion meshing gear
The conjunction gear that car gearbox gear is used needs to process an opposed facets in conjunction gear, to use conjunction gear
Firmly combine, do not influenceed by load change in journey.This opposed facets is generally referred to as locking face.
The processing method in the locking face of conjunction gear is typically to take extrusion forming, machining to cut on gearbox gear
The methods such as type.Although the process technology in locking face is very ripe, special equipment and special tooling, such as crowded teeth are needed
Machine, or digital control special machine and special fixture and cutter, or even the complicated nc program of exploitation, therefore be not appropriate for small quantities of
The modes of production such as amount, single-piece trial-production.Crowded teeth processing, but crowded teeth are carried out to the locking face of conjunction gear using gear tooth burnishing machine in the prior art
Machine is expensive, and its special equipment and frock manufacturing cycle are long, and investment is big, high processing costs.
It is different from common conjunction gear locking face, common conjunction gear for conjunction gear locking face as shown in figure 5 and figure 7
Locking face only exists an end face or two end faces, and is tightly to be connected in one for the conjunction gear locking face shown in Fig. 5 and Fig. 7
The two ends locking face risen, higher to requirement on machining accuracy respectively in spindle-type and shaker type, difficulty of processing is big, and with existing
Not only processing efficiency is low for gear tooth burnishing machine, and processing cost is also higher.
The content of the invention
The invention is intended to provide a kind of gearbox gear conjunction gear locking face extruding machining apparatus, to reduce small lot processing
The processing cost in conjunction gear locking face.
Gearbox gear conjunction gear locking face extruding machining apparatus in this programme, including rotating mechanism, clamp system and
Squeezing knife tool head, squeezing knife tool head includes clamping part, body, cutter shaft, the first nut, cutter and the second nut, and body is fixed
On the holder portion, axis hole is provided with body, cutter shaft is rotatably connected in axis hole, the length of cutter shaft is more than the depth of axis hole,
The two ends of cutter shaft are equipped with screw thread, and the first nut and the equal screw thread of the second nut coordinate on the two ends of cutter shaft, in cutter shaft
Provided with first shaft shoulder, cutter is placed between the first nut and first shaft shoulder;The clamp system includes being used to install knot to be processed
Close the clamping seats of the workpiece in tooth locking face and for the pressing device by Work-sheet pressing on clamping seats, pressing device detachably connects
It is connected on clamping seats;The clamp system is connected to the rotating mechanism for driving clamp system to rotate.
The technical principle of this programme and have the beneficial effect that:The clamping part of squeezing knife tool head is clamped in part processing and commonly used
To lathe on, whole squeezing knife tool head is fixed on lathe will to be clamped on the knife rest of lathe by optimum way
Knife rest on.
The tooth for being machined with and being processed for workpiece crowded teeth on corresponding cutter, the periphery of cutter is produced as needed, by knife
Tool is installed in cutter shaft, and cutter is offseted with first shaft shoulder, rotates the first nut and cutter is clamped on first shaft shoulder.
The workpiece for needing to process conjunction gear locking face is placed into clamping seats, pressing device is adjusted by Work-sheet pressing on clamping seats,
Cutter is engaged and offseted with conjunction gear locking face.Start rotating mechanism, rotating mechanism driving clamp system and workpiece are rotated, and will be squeezed
Cutterhead is pressed gradually to be moved to the center of rotation of workpiece:Such as adjust the clip position of clamping part;If clamping part is clamped in lathe
The position of knife rest is then adjusted on knife rest so that cutter is extruded with conjunction gear locking face, to the conjunction gear locking face on workpiece
Extrusion process is carried out, until the conjunction gear locking face on workpiece is molded and reaches requirement.
The present invention using between squeezing knife tool head and clamp system rotate against with radial direction pressure mode, utilize forming cutter
Tool, by the conjunction gear locking face extrusion forming of workpiece;Squeezing knife tool head and clamp system are simple in construction simultaneously, easy to manufacture, system
It is short to make the cycle, with low cost, just with common parts machining equipment, reduces production cost, is particularly suitable for small
Batch and trial-production process are used.
Scheme based on above-mentioned, based on scheme prioritization scheme one:The clamping seats are mandrel, the pressing device
For clamp nut, mandrel one end is provided with second shaft shoulder, and the mandrel other end is provided with the thread segment being engaged with clamp nut, compresses spiral shell
Box thread coordinates on thread segment.When needing to extrude conjunction gear locking face on the periphery of workpiece, that is, need extruding
During external tooth, using the axis hole that itself is present on gear, mandrel and shaft hole matching.Workpiece is arranged on mandrel by axis hole, then
Clamp nut is screwed, by between second shaft shoulder of the Work-sheet pressing on mandrel and clamp nut, so that by Workpiece clamping.
It is used as the prioritization scheme two of prioritization scheme one:The rotating mechanism is to include on the main shaft and tailstock of lathe, tailstock
It is top.Lathe spindle refers to the axle that workpiece or cutter rotation are driven on lathe.Tailstock is to be used to coordinate main shaft supporting on lathe
Workpiece component, tailstock is provided with top, top and spindle alignment.Axial movement is top, you can by the main shaft of lathe and top support
On two end faces of mandrel, between being clipped in main shaft by mandrel and be top, it is easy to the rotation of mandrel, while being also convenient for that knife will be extruded
Tool head is correspondingly clamped on the knife rest of lathe.
It is used as the prioritization scheme three of prioritization scheme one:Shifting block is provided with close to one end of second shaft shoulder on the mandrel,
Shifting block is provided with driving lever.Driving lever is connected on the chuck of lathe, facilitates chuck to drive shifting block to rotate when rotation, Jin Erfang
It will pass through shifting block band moving mandrel and workpiece rotated.
Based on scheme prioritization scheme four:The clamping seats are cylindrical, and one end of clamping seats is pinching end, is clamped
End is provided with screwed hole, and the pressing device is trim ring and bolt, and bolt is closed with corresponding threaded holes, and trim ring is provided with and bolt phase
The screw of cooperation;The inwall of clamping seats is provided with convex shoulder, and convex shoulder is less than the width of workpiece apart from the distance of pinching end end face.For
The situation in the extruding conjunction gear locking face on the inwall of workpiece is needed, that is, when needing extruding internal tooth, workpiece is placed on clamping seats
Convex shoulder on, trim ring is covered, and trim ring is fixed on the pinching end of clamping seats by bolt, so that by Workpiece clamping in trim ring
Between convex shoulder, and cutter can engage with the inwall of workpiece through circular trim ring and offset and carry out extrusion process.
It is used as the prioritization scheme five of prioritization scheme four:The rotating mechanism is the chuck of lathe.Chuck is used on lathe
The mechanical device of workpiece is clamped, chuck is generally connected on main shaft.By chuck can by clamping seats and workpiece together clamping in card
On disk, clamping seats and workpiece is driven to rotate to carry out extrusion process by chuck.
Brief description of the drawings
Fig. 1 is the structural representation of squeezing knife tool head;
The relative position figure of squeezing knife tool head and clamp system when Fig. 2 is extruding external tooth;
The relative position figure of squeezing knife tool head and clamp system when Fig. 3 is extruding internal tooth;
Fig. 4 is the workpiece full sectional view for needing to extrude internal tooth;
Fig. 5 be internal tooth K to expansion partial view;
Fig. 6 is the workpiece full sectional view for needing to extrude external tooth;
Fig. 7 be external tooth B to expansion partial view.
Embodiment
Below by embodiment, the present invention is further detailed explanation:
Reference in Figure of description includes:Clamping part 1, body 2, cutter shaft 3, the second nut 4, top 5, mandrel 6, pressure
Tight nut 7, workpiece 8, shifting block 9, driving lever 10, main shaft 11, the first nut 12, cutter 13, clamping seats 14, trim ring 15, bolt 16.
Embodiment 1
Gearbox gear conjunction gear locking face extruding machining apparatus, including rotating mechanism, clamp system and squeezing knife tool head, extruding
Cutterhead as shown in Figure 1, including clamping part 1, body 2, cutter shaft 3, the first nut 12, the nut 4 of cutter 13 and second, body
2 are fixed on clamping part 1, and axis hole is provided with body 2, and cutter shaft 3 is rotatably connected in axis hole, and the length of cutter shaft 3 is more than axle
The depth in hole, the two ends of cutter shaft 3 are equipped with screw thread, and the first nut 12 and the equal screw thread of the second nut 4 coordinate the two of cutter shaft 3
On end, cutter 13 is rotatably connected in cutter shaft 3, and cutter shaft 3 is provided with first shaft shoulder, and cutter 13 is placed in the first nut 12 and the
Between one shaft shoulder;The clamp system includes mandrel 6 and clamp nut 7, and the one end of mandrel 6 is provided with second shaft shoulder, and the other end is provided with
The thread segment being engaged with clamp nut 7, the screw thread of clamp nut 7 coordinates on thread segment, close to second shaft shoulder on mandrel 6
One end be provided with shifting block 9, shifting block 9 be provided with driving lever 10;Rotating mechanism is including top on the main shaft 11 and tailstock of lathe, tailstock
5。
Embodiment 1 as shown in Figure 6, clamping part 1 is clamped in the knife rest of lathe mainly for the situation of extruding external tooth
On, workpiece 8 is arranged on mandrel 6 by axis hole, then clamp nut 7 is screwed, workpiece 8 is pressed on to the second axle on mandrel 6
Between shoulder and clamp nut 7, so that workpiece 8 be clamped.Move axially top 5 so that the main shaft 11 of lathe and top 5 is against core
On two end faces of axle, mandrel 6 is clipped between main shaft 11 and top 5.Cutter 13 is installed to locomotive bed in cutter shaft 3
Knife rest, makes cutter 13 engage and offset with workpiece 8, and driving lever 10 is connected on the chuck of lathe, and chuck drives when rotation
Shifting block 9 is rotated, and then is rotated by shifting block 9 with moving mandrel 6 and workpiece.The follow rest again of workpiece 8, make squeezing knife tool head gradually to
The center of rotation movement of workpiece 8 so that cutter 13 is extruded with conjunction gear locking face, and extrusion process is carried out to workpiece 8, until
Conjunction gear locking face is set to be molded and reach requirement.As shown in Figure 2, after the completion of extruding, clamp nut 7 is backed out, you can will process
Good workpiece 8 is removed.
Embodiment 2
Gearbox gear conjunction gear locking face extruding machining apparatus, the difference with embodiment 1 is:Clamping seats 14 are cylindrical,
One end of clamping seats 14 is pinching end, and pinching end is provided with screwed hole, and the pressing device is trim ring 15 and bolt 16, bolt 16
Closed with corresponding threaded holes, trim ring 15 is provided with the screw being engaged with bolt 16;The inwall of clamping seats 14 is provided with convex shoulder, convex shoulder
Distance apart from pinching end end face is less than the width of workpiece 8;Rotating mechanism is the chuck of lathe.
Clamping seats 14 as shown in Figure 3, folder can be connected by chuck by embodiment 2 mainly for the situation of extruding internal tooth
The workpiece 8 clamped on tight seat 14 is together clamped on chuck, and chuck drives clamping seats 14 and workpiece 8 to rotate.Workpiece 8 is placed on
On the convex shoulder of clamping seats 14, trim ring 15 is covered, and trim ring 15 is fixed on the pinching end of clamping seats 14 by bolt 16, cutter
13 can engage with the inwall of workpiece 8 through circular trim ring 15 and offset and carry out extrusion process.As shown in Figure 4, extrude
After the completion of, bolt 16 is backed out, trim ring 15 is removed, you can the workpiece 8 processed is removed.
Above-described is only that the known general knowledge such as concrete structure and characteristic is not made herein in embodiments of the invention, scheme
Excessive description., without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these are implemented all without the influence present invention
Effect and practical applicability.The scope of protection required by this application should be based on the content of the claims, in specification
Embodiment etc. records the content that can be used for explaining claim.
Claims (6)
1. gearbox gear conjunction gear locking face extruding machining apparatus, it is characterised in that:Including rotating mechanism, clamp system and squeeze
Cutterhead is pressed, squeezing knife tool head includes clamping part, body, cutter shaft, the first nut, cutter and the second nut, and body is fixed on
On clamping part, axis hole is provided with body, cutter shaft is rotatably connected in axis hole, the length of cutter shaft is more than the depth of axis hole, knife
The two ends of tool axle are equipped with screw thread, and the first nut and the equal screw thread of the second nut coordinate on the two ends of cutter shaft, set in cutter shaft
There is first shaft shoulder, cutter is placed between the first nut and first shaft shoulder;The clamp system includes being used to install combination to be processed
Clamping seats of the workpiece in tooth locking face and for the pressing device by Work-sheet pressing on clamping seats, pressing device is detachably connected
On clamping seats;The clamp system is connected to the rotating mechanism for driving clamp system to rotate.
2. gearbox gear conjunction gear locking face according to claim 1 extruding machining apparatus, it is characterised in that:The folder
Tight seat is mandrel, and the pressing device is clamp nut, and mandrel one end is provided with second shaft shoulder, and the mandrel other end is provided with compressing spiral shell
The thread segment that parent phase coordinates, clamp nut screw thread coordinates on thread segment.
3. gearbox gear conjunction gear locking face according to claim 2 extruding machining apparatus, it is characterised in that:Described turn
Motivation structure is including top on the main shaft and tailstock of lathe, tailstock.
4. gearbox gear conjunction gear locking face according to claim 3 extruding machining apparatus, it is characterised in that:The core
Shifting block is provided with close to one end of second shaft shoulder on axle, shifting block is provided with driving lever.
5. gearbox gear conjunction gear locking face according to claim 1 extruding machining apparatus, it is characterised in that:The folder
Tight seat is cylindrical, and one end of clamping seats is pinching end, and pinching end is provided with screwed hole, and the pressing device is trim ring and spiral shell
Bolt, bolt is closed with corresponding threaded holes, and trim ring is provided with the screw being engaged with bolt;The inwall of clamping seats is provided with convex shoulder, convex
Shoulder is less than the width of conjunction gear apart from the distance of pinching end end face.
6. gearbox gear conjunction gear locking face according to claim 5 extruding machining apparatus, it is characterised in that:Described turn
Motivation structure is the chuck of lathe.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710294901.XA CN107030338A (en) | 2017-04-28 | 2017-04-28 | Gearbox gear conjunction gear locking face extruding machining apparatus |
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CN201710294901.XA CN107030338A (en) | 2017-04-28 | 2017-04-28 | Gearbox gear conjunction gear locking face extruding machining apparatus |
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CN107030338A true CN107030338A (en) | 2017-08-11 |
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CN201710294901.XA Pending CN107030338A (en) | 2017-04-28 | 2017-04-28 | Gearbox gear conjunction gear locking face extruding machining apparatus |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112406320A (en) * | 2020-10-28 | 2021-02-26 | 上海汉图科技有限公司 | Cutter, paper feeding shaft forming device and forming method thereof |
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CN112406320A (en) * | 2020-10-28 | 2021-02-26 | 上海汉图科技有限公司 | Cutter, paper feeding shaft forming device and forming method thereof |
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Application publication date: 20170811 |