CN109986141A - A kind of quick-replaceable gear-hobbing clamp - Google Patents
A kind of quick-replaceable gear-hobbing clamp Download PDFInfo
- Publication number
- CN109986141A CN109986141A CN201910357248.6A CN201910357248A CN109986141A CN 109986141 A CN109986141 A CN 109986141A CN 201910357248 A CN201910357248 A CN 201910357248A CN 109986141 A CN109986141 A CN 109986141A
- Authority
- CN
- China
- Prior art keywords
- quick
- elastic jacket
- holder
- mandrel
- hobbing clamp
- 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.)
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Classifications
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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
Abstract
The invention belongs to Gear Processing fields, disclose a kind of quick-replaceable gear-hobbing clamp, the upper and lower holder of the upper and lower side including lathe base is arranged in；Upper holder is connect with lathe base by upper cover, mounted inside have it is upper top, wherein upper top middle part is equipped with boss, and spring is equipped between boss and upper cover；Lower holder bottom end connect with pedestal, is top under mounted inside, wherein lower holder it is intracavitary and under it is top between be equipped with elastic jacket, elastic jacket and the contact surface at the top of lower holder are one group of opposite conical surface；Elastic jacket is connect with hydraulic pressure draw-bar seat by rod piece, and rod piece passes through pedestal and do not contact with it；It is upper and lower it is top between be equipped with mandrel, mandrel upper and lower end face top is contacted with upper and lower respectively, wherein mandrel lower part is assemblied in elastic jacket, top is for being set with workpiece.When the present invention solves gear hobbing process multiple workpiece, it is difficult to rise by hydraulic expansion or oil and realizes the positioning of two or three product, and the problem that artificial loading and unloading large labor intensity, production efficiency are low.
Description
Technical field
The invention belongs to Gear Processing field, in particular to a kind of quick-replaceable gear-hobbing clamp.
Background technique
Electric tool is used widely in production and living, but in the small inner hole of electric tool low module (in especially
Hole D≤25 5≤φ of φ) in processing, when general low module roller gear gear hobbing process, is substantially by inner hole and end face positioning,
For product of the inner hole of workpiece diameter within 20, hydraulic expansion or the oil fixture that rises disposably are wanted to process 2-3 part when Internal hole positioning
When product, since inner hole has tolerance, if gear blank inner hole consistency is bad, thinks two or three while tensioner is difficult to realize substantially, and
And the liquid oil fixture that rises that rises manufactures that degree-of-difficulty factor is big, and cost is also high, therefore gear-hobbing clamp is always during roller gear gear hobbing process
Rub, when traditional manual loading/unloading products, wherein worker when polished rod locknut compresses product large labor intensity (daily plus
Hundreds and thousands of products of work, nut must be elastic thousands of time back and forth), production efficiency it is low, and while not tightening with nut also, makes
At quality accident and it is serious when forge a knife, the risks such as collide personnel cost is high, it is therefore necessary to it is convenient to design and produce a kind of quick-changing type
The grip device of succinct high-efficiency and low-cost meets production requirement.
Summary of the invention
When the present invention is for gear hobbing process multiple workpiece, two or three product is realized for being difficult to rise by hydraulic expansion or oil
Positioning, and the problem that artificial loading and unloading large labor intensity, production efficiency are low proposes a kind of quick-replaceable gear-hobbing clamp.
Technology contents
A kind of quick-replaceable gear-hobbing clamp, including being separately positioned on holder on the upper and lower side of lathe base, lower holder；On described
Holder top is connect by upper cover with lathe base, mounted inside have it is upper top, wherein the upper top middle part circumferentially side
To boss is equipped with, the upper top position between boss and upper cover bottom end face is arranged with spring；The lower holder bottom
End connect with pedestal, is top under mounted inside has, wherein in the lower holder cavity and under it is top between be additionally provided with elastic clip
Set, the elastic jacket are one group of opposite conical surface with the contact surface at the top of lower holder；The elastic jacket bottom and hydraulic drawing
Pole socket is connected by rod piece, and the rod piece passes through pedestal and do not contact with it；It is described it is it is top, under it is top between be equipped with mandrel,
The mandrel upper and lower end face respectively with it is upper it is top, under top contact, wherein the mandrel lower part is assemblied in elastic jacket, on
Portion is for being set with workpiece.
Further: the taper of the conical surface is between 10 ° to 15 °.
Further: described, elastic jacket bottom is connect by transition nuts with hydraulic pressure draw-bar seat.
It is further: groove to be machined at the top of the upper holder, the upper cover bottom is equipped with the boss to match with groove.
Further: the lower holder side is machined with through-hole, the through-hole perpendicular to it is top, be equipped with pivot pin, it is described
Elastic jacket external peripheral surface is machined with stroke groove relative to the position of pivot pin.
Further: the pedestal is relative to spacer is equipped in the through-hole of rod piece, the spacer inner hole is in rod piece outer diameter
Match.
Further: the mandrel upper and lower end face is respectively equipped with the Type B center to match with upper and lower top, the head ° conical surface
Hole and shield are bored.
Further: the elastic jacket material is spring steel, and top is axially cut with wire casing, and the wire casing is at least
More than a, it is distributed along elastic jacket even circumferential.
It is further: plastic cement is filled in the wire casing.
Further: top bottom is equipped with screw boss under described, and the screw boss is stretched out base groove and stretched out
Part is equipped with double nut, is provided with gasket between the top nut and pedestal.
Beneficial effect
The present invention is clamped and is replaced to workpiece by the cooperation of top, mandrel, elastic jacket, by the end face of mandrel and upper
Gland contacts workpiece and presss from both sides, and ensure that the consistency for clamping multiple workpiece, is clamped by elastic jacket to mandrel, facilitates mandrel
Dismounting, reduce worker dismounting time and labor intensity；The taper of elastic jacket and the contact surface of lower holder is arrived at 10 °
Between 15 °, meet self-locking demand；Elastic jacket bottom leads to transition nuts and connect with hydraulic pressure draw-bar seat, easy disassembly；Upper holder with
Upper cover guarantees the stability of assembly by groove and boss assembly connection；Through-hole is processed in lower holder side and assembles pin shaft, it can
To prevent elastic jacket moving radially at work；Position on pedestal relative to rod piece is equipped with spacer, for limiting bar
The movement position of part guarantees the stability of movement；Mandrel upper and lower end face is machined with Type B centre bore and shield is bored, so that with top 60 °
Point contact is converted to face contact by angular compliance, extends top and mandrel service life；When elastic jacket uses spring material
When, be axially machined with wire casing and in wire casing processing be marked with plastic cement, avoid in product processing iron filings from entering, prevent from grinding
It damages and influences its precision, ensure that the elasticity and service life of elastic jacket；Under top bottom fixed by double nut, ensure that
Fixed stability.
Detailed description of the invention
Fig. 1 is a kind of quick-replaceable gear-hobbing clamp assembling schematic diagram.
Fig. 2 shows that structure is intended to be top on a kind of quick-replaceable gear-hobbing clamp.
Fig. 3 is a kind of quick-replaceable gear-hobbing clamp elastic jacket structural schematic diagram.
Fig. 4 is top tip structure schematic diagram under a kind of quick-replaceable gear-hobbing clamp.
Fig. 5 is a kind of quick-replaceable gear-hobbing clamp core shaft structure schematic diagram.
Fig. 6 is schematic diagram when a kind of quick-replaceable gear-hobbing clamp is processed.
Specific embodiment
A kind of quick-replaceable gear-hobbing clamp, as shown in Figures 1 to 4, including upper holder 1, lower holder 2, the upper holder 1,
Lower holder 2 is separately positioned on the upper and lower side of lathe base；1 top of upper holder is connect with lathe base by upper cover 3, is internal
Top 4 are equipped with, as shown in Figure 1, processing fluted at the top of upper holder 1,3 bottom of upper cover is equipped with to match with groove
Boss, the boss are assemblied in groove, ensure that holder 1 and the stability that upper cover 3 is assembled, upper holder 1 pass through with upper cover 3
Bolt is fixedly connected, wherein as shown in Fig. 2, boss 41 is circumferentially equipped in the middle part of in the of described top 4, described top 4
Position between 1 bottom end face of boss 41 and upper cover is arranged with spring 5, the opposite position of adjustable upper cover 3 and upper holder 1
It sets to adjust the deflection of spring 5, and then adjustable top 4 pressure for withstanding object；2 bottom end of lower holder and pedestal
6 connections, mounted inside are top 7 under having, as shown in figure 5, top 7 bottom is equipped with screw boss 71, the screw boss under described
71 stretching 6 grooves of pedestal and extension be equipped with double nut 18,19, be provided with gasket between the top nut 18 and pedestal
20, in such a way that double nut fastens, enhance down the stability of top fastening, wherein in lower 2 cavity of holder and lower top
Elastic jacket 8 is additionally provided between point, the elastic jacket 8 is one group of opposite conical surface 13, institute with the contact surface at lower 2 top of holder
The taper of the conical surface 13 is stated between 10 ° to 15 °, meets self-locking demand；Lower 2 side of holder is machined with through-hole, and the through-hole hangs down
Directly in it is top, be equipped with pivot pin 15,8 external peripheral surface of elastic jacket is machined with stroke groove 16 relative to the position of pivot pin,
For preventing elastic jacket 8 and preventing it from radial displacement occurs, stroke groove 16 is used to move up and down when spring collet 8 pivot pin 15
When, leave the movement travel of pivot pin 15 for, 8 material of elastic jacket is elastic material or spring steel, when for spring steel, is such as schemed
Shown in 4,8 top of elastic jacket is axially cut with wire casing 81, and the wire casing 81 is at least 3, along 8 circumference of elastic jacket
It is uniformly distributed, is filled with plastic cement in the wire casing 81, prevents iron filings when machining from entering in elastic jacket 8, to prevent from grinding
It damages and influences its precision, ensure that the elasticity and service life of elastic jacket；8 bottom of elastic jacket and hydraulic pressure draw-bar seat 10
It is connected by rod piece 9, in Fig. 1,8 bottom of elastic jacket connects transition nuts 14, and rod piece 9 passes through transition nuts 14 and hydraulic pressure draw-bar
Seat 10 connects, and the rod piece 9 passes through pedestal 6 and do not contact with it, and in Fig. 1, the pedestal 6 is pacified in the through-hole relative to rod piece 9
Equipped with spacer 17,17 inner hole of spacer matches in 9 outer diameter of rod piece, and rod piece 9 can move up and down in spacer 17；On described
Top 4, mandrel 11 is connected between top 7 under, the mandrel 11 as shown in figure 5,11 upper and lower end face of the mandrel respectively with it is upper
Top 4, top 7 contact under, wherein 11 lower part of mandrel is assemblied in elastic jacket 8, top is for being set with workpiece 12, institute
It states 11 upper and lower end face of mandrel and further respectively has the Type B centre bore to match with upper and lower top (4,7) head and shield cone, in this way when upper
Under top (4,7) 11 when withstanding mandrel, centre head portion is located in centre bore, is held out against by 60 ° of top conical surfaces, so not
Top service life can only be increased, and face contact is become by point contact, increase the stability of clamping, need to clamp core
When axis 11, hydraulic pressure draw-bar seat 10 is moved downward under the driving of hydraulic mechanism with elastic jacket 8, and elastic jacket 8 passes through top
The movement of the conical surface clamps mandrel 11, the inner hole of upper holder 1, lower holder 2, upper cover 3, pedestal 6 in fixture and it is upper top 4, under
Top 7, axis when elastic jacket 8, mandrel 11 assemble is overlapped and is located at the rotation center of lathe.
In use, it is unstretched state that hydraulic base 10, which is in, mandrel 11 is not clamped, and mandrel 11 can be arbitrarily at this time
Take, by workpiece 12 mounted in the top of mandrel 11, then mandrel 11 mounted in upper top 4 and under between top 7, hydraulic mechanism pulls down
Hydrodynamic pressure bracket base 10, elastic jacket 8 hydraulic pressure draw-bar seat 10, rod piece 9, transition nuts 14 drive under move down and
Mandrel 11, while 12 upper end of workpiece pressing under the action of pressure under tailstock on lathe of upper press cover 1 are clamped under the cooperation of the conical surface 13
Face, pedestal 6 is rotated under the drive of lathe at this time, so that quick change mandrel 11 and workpiece 12 be driven to do circumference uniform distribution fortune together
It is dynamic.As shown in fig. 6, the from top to bottom cutting workpiece of cutting tool 21 when processing.
Claims (10)
1. a kind of quick-replaceable gear-hobbing clamp, which is characterized in that
Including being separately positioned on holder (1) on the upper and lower side of lathe base, lower holder (2)；
Upper holder (1) top is connect by upper cover (3) with lathe base, mounted inside has upper top (4), wherein described
Boss (41) circumferentially are equipped in the middle part of upper top (4), described top (4) are located at boss (41) and upper cover (1) bottom
Position between end face is arranged with spring (5)；
Under lower holder (2) bottom end is connect with pedestal (6), mounted inside has top (7), wherein lower holder (2) cavity
It is interior and under it is top between be additionally provided with elastic jacket (8), the contact surface at the top of the elastic jacket (8) and lower holder (2) is one group
The opposite conical surface (13)；Elastic jacket (8) bottom is connect with hydraulic pressure draw-bar seat (10) by rod piece (9), the rod piece (9)
It does not contact across pedestal (6) and with it；
Upper top (4), under be equipped with mandrel (11) between top (7), mandrel (11) upper and lower end face respectively with it is upper top
(4), (7) top under contact, wherein mandrel (11) lower part is assemblied in elastic jacket (8), top is for being set with workpiece
(12).
2. a kind of quick-replaceable gear-hobbing clamp according to claim 1, which is characterized in that the taper of the conical surface (13) exists
Between 10 ° to 15 °.
3. a kind of quick-replaceable gear-hobbing clamp according to claim 1, which is characterized in that described, elastic jacket (8) bottom
It is connect by transition nuts (14) with hydraulic pressure draw-bar seat (10).
4. a kind of quick-replaceable gear-hobbing clamp according to claim 1, which is characterized in that add at the top of the upper holder (1)
Work is fluted, and upper cover (3) bottom is equipped with the boss to match with groove.
5. a kind of quick-replaceable gear-hobbing clamp according to claim 1, which is characterized in that lower holder (2) side adds
Work has a through-hole, the through-hole perpendicular to it is top, be equipped with pivot pin (15), elastic jacket (8) external peripheral surface is relative to axis
The position of pin is machined with stroke groove (16).
6. a kind of quick-replaceable gear-hobbing clamp according to claim 1, which is characterized in that the pedestal (6) is relative to bar
It is equipped in the through-hole of part (9) spacer (17), spacer (17) inner hole matches in rod piece (9) outer diameter.
7. a kind of quick-replaceable gear-hobbing clamp according to claim 1, which is characterized in that mandrel (11) upper and lower end face
It is respectively equipped with the Type B centre bore to match with upper and lower top (4,7) 60 ° of the head conical surface and shield is bored.
8. a kind of quick-replaceable gear-hobbing clamp according to claim 1, which is characterized in that elastic jacket (8) material
For spring steel, top is axially cut with wire casing (81), and the wire casing (81) is at least 3 or more, along elastic jacket (8)
Even circumferential distribution.
9. a kind of quick-replaceable gear-hobbing clamp according to claim 8, which is characterized in that be filled in the wire casing (81)
Plastic cement.
10. a kind of quick-replaceable gear-hobbing clamp according to claim 1, which is characterized in that top bottom is equipped under described
Screw boss (71), the screw boss (71) stretches out pedestal (6) groove and extension be equipped with double nut (18),
(19), gasket (20) are provided between the top nut (18) and pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910357248.6A CN109986141A (en) | 2019-04-29 | 2019-04-29 | A kind of quick-replaceable gear-hobbing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910357248.6A CN109986141A (en) | 2019-04-29 | 2019-04-29 | A kind of quick-replaceable gear-hobbing clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109986141A true CN109986141A (en) | 2019-07-09 |
Family
ID=67135560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910357248.6A Withdrawn CN109986141A (en) | 2019-04-29 | 2019-04-29 | A kind of quick-replaceable gear-hobbing clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109986141A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112276257A (en) * | 2020-10-29 | 2021-01-29 | 温岭市明华齿轮有限公司 | A anchor clamps frock for gear machining |
| CN112958853A (en) * | 2021-03-26 | 2021-06-15 | 陕西法士特齿轮有限责任公司 | Floating self-centering quick-change gear shaping clamp |
| CN113857506A (en) * | 2021-09-14 | 2021-12-31 | 北京工业大学 | Rapid clamping device for readjusting installation length of cylindrical workpiece |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH555218A (en) * | 1972-03-01 | 1974-10-31 | Werkzeugmasch Okt Veb | DEVICE FOR CLAMPING A WORKPIECE BETWEEN TWO POINTS ON A MACHINE TOOL, IN PARTICULAR TOOTH FLANGE GRINDING MACHINE. |
| CN202010826U (en) * | 2011-03-22 | 2011-10-19 | 浙江双环传动机械股份有限公司 | Internal expanding type gear hobbing fixture |
| CN103143793A (en) * | 2013-04-01 | 2013-06-12 | 重庆永达精密机械有限公司 | Hobbing fixture |
| CN109128396A (en) * | 2018-11-23 | 2019-01-04 | 重庆机床(集团)有限责任公司 | A kind of automatic gear-hobbing clamp of aperture multiple workpieces |
| CN210080885U (en) * | 2019-04-29 | 2020-02-18 | 江苏双环齿轮有限公司 | Quick replacement gear hobbing anchor clamps |
-
2019
- 2019-04-29 CN CN201910357248.6A patent/CN109986141A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH555218A (en) * | 1972-03-01 | 1974-10-31 | Werkzeugmasch Okt Veb | DEVICE FOR CLAMPING A WORKPIECE BETWEEN TWO POINTS ON A MACHINE TOOL, IN PARTICULAR TOOTH FLANGE GRINDING MACHINE. |
| CN202010826U (en) * | 2011-03-22 | 2011-10-19 | 浙江双环传动机械股份有限公司 | Internal expanding type gear hobbing fixture |
| CN103143793A (en) * | 2013-04-01 | 2013-06-12 | 重庆永达精密机械有限公司 | Hobbing fixture |
| CN109128396A (en) * | 2018-11-23 | 2019-01-04 | 重庆机床(集团)有限责任公司 | A kind of automatic gear-hobbing clamp of aperture multiple workpieces |
| CN210080885U (en) * | 2019-04-29 | 2020-02-18 | 江苏双环齿轮有限公司 | Quick replacement gear hobbing anchor clamps |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112276257A (en) * | 2020-10-29 | 2021-01-29 | 温岭市明华齿轮有限公司 | A anchor clamps frock for gear machining |
| CN112958853A (en) * | 2021-03-26 | 2021-06-15 | 陕西法士特齿轮有限责任公司 | Floating self-centering quick-change gear shaping clamp |
| CN113857506A (en) * | 2021-09-14 | 2021-12-31 | 北京工业大学 | Rapid clamping device for readjusting installation length of cylindrical workpiece |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190709 |