CN109530820A - A kind of gear-shaping clamp of the slotting internal tooth of precision positioning - Google Patents
A kind of gear-shaping clamp of the slotting internal tooth of precision positioning Download PDFInfo
- Publication number
- CN109530820A CN109530820A CN201811617445.9A CN201811617445A CN109530820A CN 109530820 A CN109530820 A CN 109530820A CN 201811617445 A CN201811617445 A CN 201811617445A CN 109530820 A CN109530820 A CN 109530820A
- Authority
- CN
- China
- Prior art keywords
- positioning
- gear
- pull rod
- sleeve
- internal tooth
- Prior art date
- 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.)
- Pending
Links
- 238000010862 gear shaping Methods 0.000 title claims abstract description 18
- 229920000642 polymer Polymers 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000000806 elastomer Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000004807 localization Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000012797 qualification 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
- B23F23/02—Loading, unloading or chucking arrangements for workpieces
- B23F23/06—Chucking arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Processing (AREA)
Abstract
The invention discloses a kind of gear-shaping clamps of the slotting internal tooth of precision positioning, including clamp body, the clamp body is equipped with the positioning disk for positioning workpiece, the elastic expansion-sleeve for fixing workpiece is provided with above the positioning disk, the elastic expansion-sleeve inner wall is the compressive plane of pyramidal structure, its outer wall is the positioning surface to match with the workpiece inner wall shape, is provided with pull rod in the elastic expansion-sleeve, described pull rod one end matches with the compressive plane shape.The present invention positions internal spline tooth form by elastic expansion-sleeve, this localization method, and positioning accuracy is high, can prevent location eccentricity, and well convenient for knife, gear blank is convenient to mount and dismount；Not only it ensure that the processing quality of spline, but also improved the processing efficiency of product.
Description
Technical field
The present invention relates to field of machining, and in particular to a kind of gear-shaping clamp of the slotting cone tooth of precision positioning.
Background technique
For the Gear Shaping of the teeth of shuttle-type shifter collar and synchronizer gear sleeve internal spline involved in the present invention,
The processing method traditional for the teeth of internal spline using pattern extrusion molding, but due to extruder squeeze when squeeze
Power is uneven, when gear blank hardness unevenness；To cause the teeth squeezed not enough in place, profile error is larger.When using gear shaping
The case where when machining teeth, and because difficult to tooth, the precision of positioning is not high, is easy to appear offset, internal spline teeth
Tooth shape locating, which is unable to get, to be precisely controlled；The spline teeth of processing is unable to get guarantee, and the process qualification rate of product is very low.
Summary of the invention
The present invention carries out precise positioning to solve the problems, such as to insert internal tooth, provides a kind of gear shaping of the slotting internal tooth of precision positioning
Fixture, including clamp body, the clamp body are equipped with the positioning disk for positioning workpiece, are provided with and are used for above the positioning disk
The elastic expansion-sleeve of fixed workpiece, the elastic expansion-sleeve inner wall are the compressive plane of pyramidal structure, and outer wall is and the workpiece inner wall
The positioning surface that shape matches is provided with pull rod, described pull rod one end and the compressive plane shape phase in the elastic expansion-sleeve
Match.
Preferably, being equipped with circular arc concave surface at the top of the pull rod, the circular arc concave surface is connected to channel of chip removal, the chip removal
The bottom of the channel is additionally provided with chip-removal hole, and the chip-removal hole is connected to the channel of chip removal, and the elastic expansion-sleeve is equipped with relief hole, institute
Chip-removal hole is stated to be connected to the relief hole.The circular arc concave surface facilitates the bits that will be processed to fall into chip removal along circular arc concave surface to lead to
In road, the chip-removal hole of the relief hole and pull rod cooperates, and the bits in channel of chip removal are discharged.
Further, the positioning disk upper surface offers positioning quartering slot, and the positioning disk lower end surface offers row
Consider quartering slot to be worth doing, the chip removal quartering slot is connected to the relief hole.The positioning disk upper surface and gear blank lower end face contact,
The contact surface with gear blank is advantageously reduced, positioning accuracy is reinforced.The positioning disk lower end surface opens up chip removal quartering slot, described
Chip removal quartering slot is connected to the relief hole, is conducive to the discharge of chip waste material.
Preferably, the elastic expansion-sleeve further includes support base, the support base be located at the positioning disk and clamp body it
Between, the inner hole that the elastic expansion-sleeve bottom passes through the positioning disk is connect with the support base.
Further, it is additionally provided with caging bolt hole on the support base, is equipped with caging bolt, institute in the caging bolt hole
Pull rod is stated equipped with limiting slot corresponding with the caging bolt hole, the limit groove width and the caging bolt diameter phase
Corresponding, the limit slot length is longer than the caging bolt diameter.The caging bolt hole is for placing the caging bolt, institute
It states limiting slot and controls the pull rod axial displacement, prevent pull rod from pushing excessive, destroy the loosening rotation of elastic expansion-sleeve and pull rod.
Preferably, the pull rod in step type, is equipped with breakage-proof washer between the pull rod cascaded surface and the support base.
The breakage-proof washer prevents the cascaded surface from squeezing the elastic expansion-sleeve, for limiting pull rod axial direction displacement stroke, protection elasticity
Ringfeder is not pulled bad and distort.
It further, further include the cylindrical surface that the cascaded surface lower end is set, the cylindrical surface and institute on the pull rod
Support base inner wall is stated to be coupled.The cylindrical surface and the support base inner wall cooperate, and ensure that the coaxial of pull rod and support base
Precisely, and prevent chip from flowing into clamp body.
Preferably, the elastic expansion-sleeve is enclosed by several pieces that rise, high score is filled between the two neighboring piece that rises
Elastic body.So that elastic expansion-sleeve bulging, resetting relatively reliable, the requirement of the repetitive positioning accuracy of fixture not only ensure that, but also really
The service life of fixture is protected.
Further, the pull rod is equipped with threaded hole, is convenient for the pull rod stress so that pull rod it is more convenient be screwed into it is hydraulic
In the piston rod of cylinder.
Preferably, the positioning surface is equipped with tooth corresponding with workpiece inner wall tooth form, that realizes fixture and workpiece can
By positioning, and it is easy to process to knife.
The utility model has the advantages that the present invention positions internal spline tooth form by elastic expansion-sleeve, and this localization method, positioning accuracy
Height can prevent location eccentricity well, and convenient for knife, gear blank is convenient to mount and dismount；Not only it ensure that the processing quality of spline, but also improved
The processing efficiency of product.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is elastic expansion-sleeve top view of the present invention；
Fig. 3 is B-B sectional view in Fig. 2 of the present invention
Fig. 4 is positioning disk left view schematic diagram of the present invention；
Fig. 5 is positioning disk top view illustration of the present invention；
Fig. 6 is drawbar structure diagram of the present invention；
1, clamp body；2, elastic expansion-sleeve；3, positioning disk；4, workpiece；5, channel of chip removal；6, chip-removal hole；7, relief hole；8, prevent
Broken washer；9, caging bolt hole；10, caging bolt；11, pull rod；12, cascaded surface；13, compressive plane；14, positioning surface；15, it limits
Slot；16, support base；17, circular arc concave surface；18, quartering slot is positioned；19, rise piece；20, cylindrical surface；21, chip removal quartering slot.
Specific embodiment
As shown in Figure 1, a kind of gear-shaping clamp of the slotting internal tooth of precision positioning, including clamp body 1, used on the clamp body 1
The elastic expansion-sleeve 2 for fixing workpiece 4, the elastic expanding are provided with above the positioning disk 3 of positioning workpiece 4, the positioning disk 3
Set 2 is enclosed by several pieces 19 that rise, filled high polymer elastomer between the two neighboring piece 19 that rises.The high polymer elastic
Body both ensure that the requirement of the repetitive positioning accuracy of fixture, also ensure the service life of fixture.2 inner wall of elastic expansion-sleeve is
The compressive plane 13 of pyramidal structure, outer wall are the positioning surface 14 to match with 4 inner wall shape of workpiece, on the positioning surface 14
Equipped with tooth corresponding with 4 inner wall tooth form of workpiece.Pull rod 11, described 11 one end of pull rod and institute are provided in the elastic expansion-sleeve 2
13 shape of compressive plane is stated to match.
As shown in figure 3, being additionally provided with caging bolt hole 9 on the support base 16, limit spiral shell is equipped in the caging bolt hole 9
Bolt 10, the pull rod 11 be equipped with limiting slot 15 corresponding with the caging bolt hole 9,15 width of limiting slot with it is described
10 diameter of caging bolt is corresponding, and 15 length of limiting slot is longer than 10 diameter of caging bolt.It uses in the caging bolt hole 9
In placing the caging bolt 10, the limiting slot 15 controls 11 axial displacement of pull rod, prevents pull rod 11 from pushing excessive, breaks
The loosening rotation of bad elastic expansion-sleeve 2 and pull rod 11.
As shown in fig. 6, circular arc concave surface 17 is equipped at the top of the pull rod 11, the circular arc concave surface 17 and the channel of chip removal 5
Connection, 5 bottom of channel of chip removal are additionally provided with chip-removal hole 6, and the elastic expansion-sleeve 2 is equipped with relief hole 7,6 He of chip-removal hole
The relief hole 7 is connected to.The circular arc concave surface 17 facilitates the bits that will be processed to fall into channel of chip removal 5 along circular arc concave surface 17
It is interior, chip-removal hole 6 is fallen into after then gathering, chip-removal hole 6 and the relief hole 7 cooperate, when the chip-removal hole 6 and the relief hole 7
When connection, fixture is discharged in bits.As shown in Figures 4 and 5,3 upper surface of positioning disk offers positioning quartering slot 18, described fixed
Position 3 lower end surface of disk offers chip removal quartering slot 21, and the chip removal quartering slot 21 is connected to the relief hole 7.The positioning
3 upper surface of disk and gear blank lower end face contact open up positioning quartering slot 18, advantageously reduce the contact surface with gear blank, and it is fixed to reinforce
Position precision.3 lower end surface of positioning disk opens up chip removal quartering slot 21, is conducive to the discharge of chip waste material.The elastic expanding
Set 2 further includes support base 16, and the support base 16 is arranged between the positioning disk 3 and the clamp body 1, the elastic expansion-sleeve
The inner hole that 2 bottoms pass through the positioning disk 3 is connect with the support base 16.The pull rod 11 is in step type, the pull rod 11
Breakage-proof washer 8 is equipped between cascaded surface 12 and the support base 16.It is described that the breakage-proof washer 8 prevents the cascaded surface 12 from squeezing
Elastic expansion-sleeve 2 protects elastic expansion-sleeve 2 not to be pulled bad and distort for limiting 11 axial displacement stroke of pull rod.It is set on the pull rod 11
There is threaded hole, the pull rod 11 is connect by threaded hole with hydraulic cylinder.As shown in fig. 6, further including that setting exists on the pull rod 11
The cylindrical surface of 12 lower end of cascaded surface, the cylindrical surface 20 are coupled with 16 inner wall of support base.The cylindrical surface 20
Cooperate with 16 inner wall of support base, ensure that pull rod 11 and support base 16 it is coaxial precisely, and prevent chip from flowing into clamp body
It is interior.The present invention no matter straight-tooth, or cone tooth is processable.
Specific working mode: firstly, entire fixture is fixed on digital control gear shaper platen, gear gear blank is put
Enter in vertical elastic expansion-sleeve 2, gear gear blank is put into vertical spring ringfeder 2 and is positioned, gear blank lower end surface and positioning
Plane offsets on disk 3, and gear blank inner wall and the positioning surface 14 of vertical spring ringfeder 2 fit, and realizes the axial direction and diameter of gear blank
To limit.Pull rod 11 passes through elastic expansion-sleeve 2, and pull rod 11 is limited by the caging bolt 10 in the caging bolt hole 9 on elastic expansion-sleeve 2
Position controls the loosening rotation of axial displacement and taper pull rod 11.Pass through the threaded hole and pull rod on the hydraulic cylinder piston rod of lathe
The connection of 11 screw threads, by the tension of hydraulic cylinder piston rod, the conical surface of pull rod 11 is implemented to elastic expansion-sleeve 2 to gear gear blank
Internal spline tooth form wall site squeezes, stretches tight and rise, and tightens workpiece 4, realizes the stationary positioned of gear blank.At this point, gear gear blank is by accurately fixed
Position is on fixture.Start lathe, by slotting tool to internal spline to knife, trial cut is cut；After being adjusted in place.Start continuous work journey
Sequence once completes the processing to gear blank spline inner cone tooth as the rotation of workbench upper fixture carries out continuous cutting.Starting oil
The upward thrust of cylinder piston rod, pull rod 11 move up, and have unclamped elastic expansion-sleeve 2 and have been bonded with pull rod 11, and elastic expansion-sleeve 2 resets；
Gear gear blank can be easily removed, the gear gear blank processed is removed.So far, whole process is completed.
Claims (10)
1. a kind of gear-shaping clamp of the slotting internal tooth of precision positioning, it is characterised in that: including clamp body (1), on the clamp body (1)
Equipped with the positioning disk (3) for positioning workpiece (4), the elastic expanding for fixing workpiece (4) is provided with above the positioning disk (3)
It covers (2), elastic expansion-sleeve (2) inner wall is the compressive plane (13) of pyramidal structure, and outer wall is and the workpiece (4) inner wall shape
The positioning surface (14) to match, the elastic expansion-sleeve (2) is interior to be provided with pull rod (11), described pull rod (11) one end and the extruding
Face (13) shape matches.
2. according to right want 1 described in a kind of gear-shaping clamp of the slotting internal tooth of precision positioning, it is characterised in that: the pull rod (11)
Top is equipped with circular arc concave surface (17), and the circular arc concave surface (17) is connected to channel of chip removal (5), and channel of chip removal (5) bottom is also
Equipped with chip-removal hole (6), the chip-removal hole (6) is connected to the channel of chip removal (5), and the elastic expansion-sleeve (2) is equipped with relief hole
(7), the chip-removal hole (6) is connected to the relief hole (7).
3. according to right want 2 described in a kind of gear-shaping clamp of the slotting internal tooth of precision positioning, it is characterised in that: the positioning disk
(3) upper surface offers positioning quartering slot (18), and positioning disk (3) lower end surface offers chip removal quartering slot (21), institute
Chip removal quartering slot (21) is stated to be connected to the relief hole (7).
4. according to right want 1 described in a kind of gear-shaping clamp of the slotting internal tooth of precision positioning, it is characterised in that: further include support base
(16), for the support base (16) between the positioning disk (3) and clamp body (1), elastic expansion-sleeve (2) bottom passes through institute
The inner hole for stating positioning disk (3) is connect with the support base (16).
5. according to right want 4 described in a kind of gear-shaping clamp of the slotting internal tooth of precision positioning, it is characterised in that: the support base
(16) it is additionally provided on caging bolt hole (9), is equipped with caging bolt (10) in the caging bolt hole (9), on the pull rod (11)
Equipped with limiting slot (15) corresponding with caging bolt hole (9), limiting slot (15) width and the caging bolt
(10) diameter is corresponding, and limiting slot (15) length is longer than the caging bolt (10) diameter.
6. according to right want 5 described in a kind of gear-shaping clamp of the slotting internal tooth of precision positioning, it is characterised in that: the pull rod (11)
In step type, breakage-proof washer (8) are equipped between pull rod (11) cascaded surface (12) and the support base (16).
7. according to right want 6 described in a kind of gear-shaping clamp of the slotting internal tooth of precision positioning, it is characterised in that: the pull rod (11)
On further include setting on the cylindrical surface (20) of the cascaded surface (12) lower end, in the cylindrical surface (20) and the support base (16)
Wall is coupled.
8. according to right want 1 described in a kind of gear-shaping clamp of the slotting internal tooth of precision positioning, it is characterised in that: the elastic expansion-sleeve
(2) it is enclosed by several pieces that rise (19), the two neighboring filled high polymer elastomer between piece (19) that rises.
9. according to right want 1 described in a kind of gear-shaping clamp of the slotting internal tooth of precision positioning, it is characterised in that: the pull rod (11)
It is equipped with threaded hole.
10. a kind of gear-shaping clamp of the slotting internal tooth of precision positioning according to wanting 1 according to right, it is characterised in that: described fixed
Plane (14) is equipped with tooth corresponding with workpiece (4) inner wall tooth form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811617445.9A CN109530820A (en) | 2018-12-28 | 2018-12-28 | A kind of gear-shaping clamp of the slotting internal tooth of precision positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811617445.9A CN109530820A (en) | 2018-12-28 | 2018-12-28 | A kind of gear-shaping clamp of the slotting internal tooth of precision positioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109530820A true CN109530820A (en) | 2019-03-29 |
Family
ID=65856993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811617445.9A Pending CN109530820A (en) | 2018-12-28 | 2018-12-28 | A kind of gear-shaping clamp of the slotting internal tooth of precision positioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109530820A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109940228A (en) * | 2019-04-30 | 2019-06-28 | 株洲齿轮有限责任公司 | Gear-shaping clamp |
| CN110587043A (en) * | 2019-10-09 | 2019-12-20 | 株洲齿轮有限责任公司 | Clamp apparatus |
| CN112427747A (en) * | 2020-11-20 | 2021-03-02 | 晋江市安海联诚机械有限公司 | Internal gear fine slotting workpiece rotating tool setting loading and unloading tool |
| CN112427749A (en) * | 2020-12-04 | 2021-03-02 | 东风汽车有限公司 | Gear fixed-phase hobbing clamp |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2235079A (en) * | 1936-11-15 | 1941-03-18 | Magdeburger Werkzeugmaschfab | Turning lathe |
| CN101698281A (en) * | 2009-11-04 | 2010-04-28 | 上海纳铁福传动轴有限公司 | Centering fixture for excircle finish turning by evolvent spline housing |
| CN204353817U (en) * | 2014-12-16 | 2015-05-27 | 重庆第二机床厂有限责任公司 | Automobile tooth cover fork slot processing expansion sleeve fixture |
| CN205765059U (en) * | 2016-06-02 | 2016-12-07 | 温岭市欧亚达机械配件厂（普通合伙） | Swollen fixture in manually |
| CN209565578U (en) * | 2018-12-28 | 2019-11-01 | 江苏沃得农业机械配件制造有限公司 | A kind of gear-shaping clamp of the slotting internal tooth of precision positioning |
-
2018
- 2018-12-28 CN CN201811617445.9A patent/CN109530820A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2235079A (en) * | 1936-11-15 | 1941-03-18 | Magdeburger Werkzeugmaschfab | Turning lathe |
| CN101698281A (en) * | 2009-11-04 | 2010-04-28 | 上海纳铁福传动轴有限公司 | Centering fixture for excircle finish turning by evolvent spline housing |
| CN204353817U (en) * | 2014-12-16 | 2015-05-27 | 重庆第二机床厂有限责任公司 | Automobile tooth cover fork slot processing expansion sleeve fixture |
| CN205765059U (en) * | 2016-06-02 | 2016-12-07 | 温岭市欧亚达机械配件厂（普通合伙） | Swollen fixture in manually |
| CN209565578U (en) * | 2018-12-28 | 2019-11-01 | 江苏沃得农业机械配件制造有限公司 | A kind of gear-shaping clamp of the slotting internal tooth of precision positioning |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109940228A (en) * | 2019-04-30 | 2019-06-28 | 株洲齿轮有限责任公司 | Gear-shaping clamp |
| CN110587043A (en) * | 2019-10-09 | 2019-12-20 | 株洲齿轮有限责任公司 | Clamp apparatus |
| CN112427747A (en) * | 2020-11-20 | 2021-03-02 | 晋江市安海联诚机械有限公司 | Internal gear fine slotting workpiece rotating tool setting loading and unloading tool |
| CN112427749A (en) * | 2020-12-04 | 2021-03-02 | 东风汽车有限公司 | Gear fixed-phase hobbing clamp |
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