CN107876906B - Gear quick alignment and gear cutting tool with end face convex claws - Google Patents
Gear quick alignment and gear cutting tool with end face convex claws Download PDFInfo
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- CN107876906B CN107876906B CN201711043774.2A CN201711043774A CN107876906B CN 107876906 B CN107876906 B CN 107876906B CN 201711043774 A CN201711043774 A CN 201711043774A CN 107876906 B CN107876906 B CN 107876906B
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- gear
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- mandrel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/02—Loading, unloading or chucking arrangements for workpieces
- B23F23/06—Chucking arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
- Turning (AREA)
Abstract
The utility model provides a gear cutting frock of counterpointing fast of gear with terminal surface convex claw, which comprises a mounting base, the dabber, the gear locating piece, the one end and the mounting base of dabber are fixed continuous, the other end of dabber is the gear clamping section, this gear clamping section includes spacing shaft shoulder, gear positioning section and screw thread section, be equipped with the tangent plane on the gear positioning section, be equipped with circumference location shaft hole on the gear locating piece, the shape in this circumference location shaft hole is identical with the cross sectional shape of gear positioning section, gear locating piece periphery is equipped with the location breach, the gear locating piece passes through circumference location shaft hole cover on the gear positioning section, install gland nut on the screw thread section, the gear clamping that will wait to cut the tooth processing through gland nut and gear locating piece is fixed. The gear cutting machine is simple in structure and convenient to use, can quickly and accurately correspond to a gear to be subjected to gear cutting and provided with the end face convex claw, ensures the machining efficiency and the machining precision, and effectively meets the production requirements of enterprises.
Description
Technical Field
The invention relates to the field of gear machining, in particular to a gear rapid alignment and cutting tool with end face convex claws for a gear.
Background
The gear is a mechanical element widely used for motion and power transmission, and some gears need to be provided with end surface convex claws on the end surface of a shaft due to the function of the gear. At present, when a gear with end-face convex claws is subjected to gear cutting processing, the end-face convex claws on the end face of the gear need to be ensured to be consistent with tooth grooves of external teeth of the gear, and when the gear to be processed is clamped, a first processed tooth groove needs to be accurately positioned so as to ensure that the tooth grooves on the end-face convex claws correspond to the tooth groove positions of the gear.
However, at present, the gears to be subjected to gear cutting machining are usually subjected to visual alignment, and during batch gear cutting machining, the gears must be clamped and aligned through visual alignment every time, so that clamping alignment time is too long, and production efficiency is seriously affected; moreover, due to the adoption of visual alignment clamping, clamping errors are caused by manual operation during clamping every time, the problem of inaccurate alignment eccentricity is caused, the processing quality rejection rate of products is caused, defective products are more, and the production requirements of enterprises can not be met.
Disclosure of Invention
The invention aims to provide a gear rapid alignment and gear cutting tool with end-face convex claws, which is simple in structure and convenient to use, can rapidly and accurately correspond to a gear to be subjected to gear cutting and provided with the end-face convex claws, ensures the machining efficiency and the machining precision and effectively meets the production requirements of enterprises.
The technical scheme of the invention is as follows: a gear rapid alignment gear cutting tool with end face convex claws comprises a mounting base, a mandrel and a gear positioning block, one end of the mandrel is fixedly connected with the mounting base, the other end of the mandrel is a gear clamping section, the gear clamping section comprises a limiting shaft shoulder, a gear positioning section and a thread section, the gear positioning section is provided with a tangent plane for circumferential positioning, the gear positioning block is provided with a circumferential positioning shaft hole, the shape of the circumferential positioning shaft hole is matched with the shape of the cross section of the gear positioning section, the periphery of the gear positioning block is provided with a positioning gap for inserting a convex claw on the end surface of the gear to be processed by cutting teeth, the gear positioning block is sleeved on the gear positioning section through the circumferential positioning shaft hole, the thread section is provided with a compression nut, and the gear to be subjected to gear cutting processing is clamped and fixed on the gear positioning section through the compression nut and the gear positioning block.
The installation base is provided with a through Morse taper hole, one end of the mandrel is provided with a Morse taper, one end of the mandrel is in static fit with the Morse taper hole of the installation base, and the mandrel is in threaded fit with the tensioning nut to form fixed connection.
One end of the mandrel is provided with a tensioning shaft neck, the tensioning shaft neck is provided with external threads, one end of the mandrel is arranged in a Morse taper hole of the mounting base in a static fit mode, and the tensioning shaft neck is in threaded fit with a tensioning nut to form fixed connection.
The other end of the mandrel is a third-stage stepped shaft, an annular surface between a large-diameter section and a middle-diameter section of the third-stage stepped shaft is a limiting shaft shoulder, a cutting plane for circumferential positioning is arranged on the middle-diameter section of the third-stage stepped shaft to form a gear positioning section, and an external thread forming thread section is arranged on the small-diameter section of the third-stage stepped shaft.
The other end of the mandrel is a secondary stepped shaft, an annular surface between a large-diameter section and a small-diameter section of the secondary stepped shaft is a limiting shaft shoulder, a tangent plane used for circumferential positioning is arranged on the small-diameter section of the secondary stepped shaft, a small-diameter section close to the limiting shaft shoulder forms a gear positioning section for a light section, and an external thread forming thread section is arranged on the small-diameter section far away from the limiting shaft shoulder.
One side edge of the gear positioning block is a long arc section, the positioning notch is arranged on the long arc section, the side edge of the gear positioning block, which is opposite to the long arc section, is a short arc section, the side edge between the long arc section and the short arc section of the gear positioning block is a straight edge, and an area outside the straight edge forms a yielding space for other end face convex claws of the gear to be subjected to gear cutting processing.
The gear axial positioning device is characterized by further comprising a pressing bushing, wherein the pressing bushing is sleeved on the gear positioning section and is used for pressing the gear to be subjected to gear cutting machining through a pressing nut to be axially positioned.
And the limiting shaft shoulder is provided with an air relief groove surrounding the gear positioning section.
And a plurality of through mounting holes are formed in the mounting base.
Adopt above-mentioned technical scheme to have following beneficial effect:
1. the quick alignment gear cutting tool for the gear with the end face convex claw comprises a mounting base, a mandrel and a gear positioning block, wherein one end of the mandrel is fixedly connected with the mounting base, and the mounting base is used for being fixedly connected with a dividing head of a gear cutting machine tool and driving the mandrel to rotate. The other end of dabber is the gear clamping section, and this gear clamping section includes spacing shaft shoulder, gear location section and screw thread section, be equipped with the tangent plane that is used for circumference location on the gear location section, be equipped with circumference location shaft hole on the gear locating piece, the shape in this circumference location shaft hole is identical with the cross sectional shape of gear location section, gear locating piece periphery is equipped with the terminal surface convex claw male location breach that supplies to treat the gear of cutting tooth processing, and the location breach is located the periphery of gear locating piece, does not interfere the gear cutting cutter, guarantees the gear cutting cutter and cuts the tooth smoothly. The gear positioning block is sleeved on the gear positioning section through the circumferential positioning shaft hole, and the circumferential positioning shaft hole is matched with the cross section of the gear positioning section in shape, so that the gear positioning block is accurately and firmly circumferentially positioned through a cutting plane on the gear positioning section, and meanwhile, the gear positioning block clamping device has the advantages of convenience in installation and replacement, and is suitable for clamping and positioning gears with end face convex claws of different sizes. Install gland nut on the screw thread section, treat the gear sleeve of gear cutting processing on the gear location section, one of them terminal surface protruding claw inserts in the location breach of gear locating piece, treat the gear of gear cutting processing promptly and form circumferential direction location, do not need artifical range estimation counterpoint, rethread gland nut compresses tightly forms axial positioning, the realization is treated the gear of gear cutting processing quick, accurate clamping and is fixed the purpose on the gear location section, the follow-up process of being convenient for carries out gear cutting processing, effectively guarantee the machining efficiency and the machining precision of the gear that has the terminal surface protruding claw.
2. Be equipped with the morse taper hole that runs through on the mounting base, the one end of dabber has the morse tapering, and the one end of dabber is through the static fit in the morse taper hole of mounting base, and the taut nut of screw-thread fit forms fixed connection, and the conic section of dabber and the morse taper hole of mounting base form the static fit, realize the technological effect of quick centering, guarantee to wait to cut the machining precision of the gear that has the terminal surface convex claw of tooth processing.
3. Still include a compress tightly bush, compress tightly the bush cover on gear positioning section, and compress tightly the gear axial positioning who treats the gear cutting processing through gland nut, avoid gland nut to treat the gear shaft terminal surface of gear cutting processing and cause the fish tail when the gear rotation of treating the gear cutting processing relatively, guarantee to treat the processing quality of the gear of gear cutting processing.
The following further description is made with reference to the accompanying drawings and detailed description.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a mandrel of the present invention;
FIG. 3 is a cross-sectional view F-F of FIG. 2;
FIG. 4 is a schematic structural view of a gear positioning block of the present invention;
FIG. 5 is a cross-sectional view of FIG. 4;
FIG. 6 is a schematic view of the construction of the compression sleeve of the present invention;
FIG. 7 is a schematic view of the present invention clamping a gear to be processed for gear cutting.
In the attached drawing, 1 is the mounting base, 2 is the dabber, 3 is the gear locating piece, 4 is the gear clamping section, 5 is spacing shaft shoulder, 6 is the gear locating section, 7 is the screw thread section, 8 is tangent plane, 9 is the circumference location shaft hole, 10 is the location breach, 11 is gland nut, 12 is morse taper hole, 13 is tensioning nut, 14 is the tensioning axle journal, 15 is the space of stepping down, 16 is the compression bush, 17 is the groove of letting out gas, 18 is the mounting hole.
Detailed Description
Referring to fig. 1 to 6, a specific embodiment of a gear rapid alignment gear cutting tool for a gear with end-face pawls is shown. Quick counterpoint gear cutting frock of gear with terminal surface convex claw includes mounting base 1, dabber 2, gear locating piece 3, the one end and the mounting base 1 of dabber 2 are fixed continuous, in this embodiment, be equipped with the morse taper hole 12 that runs through on the mounting base 1 to a plurality of mounting holes 18 that run through, the circumference evenly distributed of a plurality of mounting holes ring morse taper hole for pass through bolt fixed mounting on the dividing head of gear cutting lathe with the mounting base. One end of the mandrel 2 is provided with a Morse taper and a tensioning shaft neck 14, the tensioning shaft neck 14 is provided with an external thread, one end of the mandrel 2 is in static fit in a Morse taper hole 12 of the mounting base, the tensioning shaft neck penetrates through the Morse taper hole of the mounting base, and a tensioning nut 13 in threaded fit on the tensioning shaft neck 14 forms fixed connection through tensioning. The other end of the mandrel 2 is a gear clamping section 4, the gear clamping section 4 comprises a limiting shaft shoulder 5, a gear positioning section 6 and a thread section 7, a cutting plane 8 for circumferential positioning is arranged on the gear positioning section 6, in the embodiment, the other end of the mandrel 2 is a three-stage stepped shaft, an annular surface between a large-diameter section and a middle-diameter section of the three-stage stepped shaft is the limiting shaft shoulder 5, the middle-diameter section of the three-stage stepped shaft is provided with the cutting plane 8 for circumferential positioning to form the gear positioning section 6, a small-diameter section of the three-stage stepped shaft is provided with an external thread to form the thread section 7, and when the diameter difference between the small-diameter section and the middle-diameter section of the three-stage stepped shaft is not large, the cutting plane arranged on the middle-diameter section of the; the other end of the mandrel 2 can also be a secondary stepped shaft, an annular surface between a large-diameter section and a small-diameter section of the secondary stepped shaft is a limiting shaft shoulder 5, a tangent plane 8 used for circumferential positioning is arranged on the small-diameter section of the secondary stepped shaft, the small-diameter section close to the limiting shaft shoulder 5 is a smooth section forming gear positioning section 6, and an external thread forming thread section 7 is arranged on the small-diameter section far away from the limiting shaft shoulder 5. The gear positioning block 3 is provided with a circumferential positioning shaft hole 9, the shape of the circumferential positioning shaft hole 9 is matched with the cross section shape of the gear positioning section 6, the periphery of the gear positioning block 3 is provided with a positioning gap 10 for inserting an end face convex claw of a gear to be processed by cutting teeth, in the embodiment, according to the condition that the gear to be processed by cutting teeth has three end face convex claws, one side edge of the gear positioning block 3 is arranged to be a long arc section, the positioning gap 10 is arranged on the long arc section, the side edge of the gear positioning block 3 opposite to the long arc section is a short arc section, and the side edge between the long arc section and the short arc section of the gear positioning block 3 is a straight edge, so that an area outside the straight edge forms an abdicating space 15 of other end face convex claws of the gear to be processed by cutting teeth, one end face convex claw of the gear to be processed by cutting teeth is ensured to pass through the gear positioning gap, and the circumferential positioning is, the rest end face convex claws penetrate through the gear positioning block through the abdicating space to avoid interference, so that a plurality of positioning notches can be arranged according to actual needs to meet the requirement that the end face convex claws penetrate through the gear positioning block and form circumferential positioning. The gear positioning block 3 is sleeved on the gear positioning section 6 through the circumferential positioning shaft hole 9, so that the gear positioning block and the mandrel are circumferentially fixed. And a compression nut 11 is arranged on the thread section 7, and a gear to be subjected to gear cutting machining is clamped and fixed on the gear positioning section 6 through the compression nut 11 and the gear positioning block 3.
In order to prevent the compression nut from damaging the gear to be subjected to gear cutting and ensure the processing quality of the gear, the gear axial positioning device further comprises a compression bush 16, wherein the compression bush 16 is sleeved on the gear positioning section 6 and compresses the gear to be subjected to gear cutting through the compression nut 11 for axial positioning.
In order to conveniently assemble the gear positioning block and ensure that the gear positioning block is tightly attached to the limiting shaft part, the limiting shaft shoulder 5 is provided with an air leakage groove 17 surrounding the gear positioning section 6.
Referring to fig. 7, when the fixture is used for clamping a gear to be subjected to gear cutting machining, the fixture firstly penetrates through a corresponding mounting hole on a mounting base through a bolt, and the mounting base is fixedly mounted on an index head of a gear cutting machine tool; sleeving a gear to be subjected to gear cutting processing on the gear positioning section, wherein the shaft end face with the end face convex claw faces the limiting shaft shoulder; moving the gear to be subjected to gear cutting processing towards a limiting shaft shoulder, inserting one end face convex claw into a positioning notch on the periphery of a gear positioning block, and circumferentially positioning the gear to be subjected to gear cutting processing; and finally, sleeving a compression bushing, installing a compression nut on the thread section, tightly pressing the gear positioning block and the gear to be subjected to gear cutting processing on the limiting shaft shoulder by screwing the compression nut, and axially positioning the gear to be subjected to gear cutting processing to realize the purpose of quickly and accurately clamping and fixing the gear to be subjected to gear cutting processing on the gear positioning section.
The tool can be used for rapidly and accurately clamping and fixing multiple batches of gears to be subjected to gear cutting machining, can ensure accurate alignment and no error, ensures the machining efficiency and the machining precision, and effectively meets the production requirements of enterprises.
Claims (8)
1. The utility model provides a gear quick counterpoint gear cutting frock with terminal surface convex claw which characterized in that: comprises a mounting base (1), a mandrel (2) and a gear positioning block (3), wherein one end of the mandrel (2) is fixedly connected with the mounting base (1), the other end of the mandrel (2) is a gear clamping section (4), the gear clamping section (4) comprises a limiting shaft shoulder (5), a gear positioning section (6) and a thread section (7), a tangent plane (8) for circumferential positioning is arranged on the gear positioning section (6), a circumferential positioning shaft hole (9) is arranged on the gear positioning block (3), the shape of the circumferential positioning shaft hole (9) is matched with the cross section shape of the gear positioning section (6), a positioning notch (10) for inserting a terminal surface convex claw of a gear to be processed by tooth cutting is arranged on the periphery of the gear positioning block (3), one side edge of the gear positioning block (3) is a long arc section, and the positioning notch (10) is arranged on the long arc section, gear locating piece (3) are the short arc section with the relative side of long arc section, and the side between the long arc section of gear locating piece (3) and the short arc section is the straight flange, and the outer region of straight flange forms the space of stepping down (15) of waiting the other terminal surface convex claws of the gear of cut tooth processing, gear locating piece (3) are overlapped on gear locating section (6) through circumference location shaft hole (9), install gland nut (11) on screw thread section (7), will wait to cut the gear clamping of tooth processing through gland nut (11) and gear locating piece (3) and fix on gear locating section (6).
2. The quick alignment gear cutting tool for the gear with the end-face convex claws, as claimed in claim 1, is characterized in that: the mounting base (1) is provided with a through Morse taper hole (12), one end of the mandrel (2) is provided with Morse taper, one end of the mandrel (2) is in the Morse taper hole (12) of the mounting base through static fit, and the tightening nut (13) is in threaded fit to form fixed connection.
3. The quick alignment gear cutting tool for the gear with the end-face convex claws, as claimed in claim 2, is characterized in that: one end of the mandrel (2) is provided with a tensioning journal (14), an external thread is arranged on the tensioning journal (14), one end of the mandrel (2) is arranged in a Morse taper hole (12) of the mounting base through static fit, and a tensioning nut (13) is in threaded fit on the tensioning journal (14) to form fixed connection.
4. The quick alignment gear cutting tool for the gear with the end-face convex claws, as claimed in claim 1, is characterized in that: the other end of dabber (2) is tertiary stepped shaft, and the annular face between the major diameter section of tertiary stepped shaft and the path section is spacing shaft shoulder (5), is equipped with tangent plane (8) that are used for circumference location on the path section of tertiary stepped shaft and forms gear location section (6), is equipped with external screw thread formation screw thread section (7) on the path section of tertiary stepped shaft.
5. The quick alignment gear cutting tool for the gear with the end-face convex claws, as claimed in claim 1, is characterized in that: the other end of dabber (2) is second grade stepped shaft, and the toroidal surface between the big footpath section of second grade stepped shaft and the path section is spacing shaft shoulder (5), is equipped with tangent plane (8) that are used for circumference location in the path section of second grade stepped shaft, and the path section of nearly spacing shaft shoulder (5) is equipped with external screw thread formation screw thread section (7) for smooth section formation gear location section (6) on keeping away from the path section of spacing shaft shoulder (5).
6. The quick alignment gear cutting tool for the gear with the end-face convex claws, as claimed in claim 1, is characterized in that: the gear axial positioning device is characterized by further comprising a pressing bushing (16), wherein the pressing bushing (16) is sleeved on the gear positioning section (6) and is used for pressing the gear to be subjected to gear cutting machining through a pressing nut (11) to axially position the gear.
7. The quick alignment gear cutting tool for the gear with the end-face convex claws, as claimed in claim 1, is characterized in that: and the limiting shaft shoulder (5) is provided with an air leakage groove (17) surrounding the gear positioning section (6).
8. The quick alignment gear cutting tool for the gear with the end-face convex claws, as claimed in claim 1, is characterized in that: the mounting base (1) is provided with a plurality of through mounting holes (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711043774.2A CN107876906B (en) | 2017-10-31 | 2017-10-31 | Gear quick alignment and gear cutting tool with end face convex claws |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711043774.2A CN107876906B (en) | 2017-10-31 | 2017-10-31 | Gear quick alignment and gear cutting tool with end face convex claws |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107876906A CN107876906A (en) | 2018-04-06 |
| CN107876906B true CN107876906B (en) | 2020-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711043774.2A Active CN107876906B (en) | 2017-10-31 | 2017-10-31 | Gear quick alignment and gear cutting tool with end face convex claws |
Country Status (1)
| Country | Link |
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| CN (1) | CN107876906B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605254A (en) * | 2018-12-26 | 2019-04-12 | 内蒙古北方重型汽车股份有限公司 | Flexible clamping rigidly fixes the assembly method of equipment and its workpiece with hole |
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|---|---|---|---|---|
| CN202239981U (en) * | 2011-09-20 | 2012-05-30 | 益阳康益机械发展有限公司 | Fixture for processing crowned-tooth gear |
| CN202963669U (en) * | 2012-12-27 | 2013-06-05 | 重庆秋田齿轮有限责任公司 | Clamp for gear hob |
| CN104162835A (en) * | 2013-05-17 | 2014-11-26 | 昆山江锦机械有限公司 | Grinding tooling of fuel adjustment fork lever of diesel engine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3446921B2 (en) * | 1996-04-10 | 2003-09-16 | 日産自動車株式会社 | Work holding device |
| DE19900011B4 (en) * | 1999-01-02 | 2005-12-15 | Reishauer Ag | Device for simultaneous gear cutting and bore finishing on gear spur gears |
| CN201084447Y (en) * | 2007-05-15 | 2008-07-09 | 深圳Tcl新技术有限公司 | A panel-TV wall-hanging device |
| CN202428065U (en) * | 2011-12-13 | 2012-09-12 | 綦江齿轮传动有限公司 | Spiral adjustable end face limiting gear grinding fixture |
| CN203337048U (en) * | 2013-07-02 | 2013-12-11 | 重庆秋田齿轮有限责任公司 | Apparatus for detecting convex claw location degree of gear wheel |
| CN203357246U (en) * | 2013-07-23 | 2013-12-25 | 重庆秋田齿轮有限责任公司 | Tension-type gear clamping device |
| CN205784966U (en) * | 2016-07-17 | 2016-12-07 | 綦江县晨光齿轮有限公司 | A kind of device detecting gear dog position degree |
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2017
- 2017-10-31 CN CN201711043774.2A patent/CN107876906B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202239981U (en) * | 2011-09-20 | 2012-05-30 | 益阳康益机械发展有限公司 | Fixture for processing crowned-tooth gear |
| CN202963669U (en) * | 2012-12-27 | 2013-06-05 | 重庆秋田齿轮有限责任公司 | Clamp for gear hob |
| CN104162835A (en) * | 2013-05-17 | 2014-11-26 | 昆山江锦机械有限公司 | Grinding tooling of fuel adjustment fork lever of diesel engine |
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| CN107876906A (en) | 2018-04-06 |
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