CN203390327U - Quick-changing hobbing clamp - Google Patents
Quick-changing hobbing clamp Download PDFInfo
- Publication number
- CN203390327U CN203390327U CN201320419110.2U CN201320419110U CN203390327U CN 203390327 U CN203390327 U CN 203390327U CN 201320419110 U CN201320419110 U CN 201320419110U CN 203390327 U CN203390327 U CN 203390327U
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- CN
- China
- Prior art keywords
- gland
- taper shaft
- drawhead
- taper
- pull bar
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a quick-changing hobbing clamp. A taper shaft is fixedly arranged on a right end face of a pedestal; a cone section of the taper shaft is positioned at the right end of the taper shaft; a positioning disc is sleeved outside the taper shaft; a tensioning sleeve is sleeved outside the cone section of the taper shaft; both the taper shaft and the pedestal are provided with central holes; a pull rod is arranged in the central holes of the taper shaft and the pedestal; the two ends of the pull rod extend out of the pedestal and the taper shaft respectively; one end, extending out of the taper shaft, of the pull rod is provided with a pull rod head, and an opening and closing positioning sleeve is also sleeved on one end, extending out of the taper shaft, of the pull rod; the opening and closing positioning sleeve is formed by butting an upper opening and closing positioning half sleeve and a lower opening and closing positioning half sleeve; one end of a tightening shaft extends into a gland; the end, extending into the gland, of the tightening shaft extends into the gland, is provided with a groove corresponding to the pull rod head; the pull rod head can extend into the groove. The quick-changing hobbing clamp has the advantages of rational design, simple structure, easiness in implementation, convenience in use, capabilities of realizing quick replacement, adapting to products of different specifications and facilitating quick die exchange and higher fixation accuracy.
Description
Technical field
The utility model relates to a kind of fixture, particularly a kind of gear-hobbing clamp of quick change.
Background technology
Gear hobbing is the basic operation of Gear Processing, adopts to roll to shave processes gear, and gear hobbing precision plays a decisive role to the final precision of gear, generally adopts at present Digit Control Machine Tool machining gears, effectively raises machining accuracy and the working (machining) efficiency of gear.But current numerical control gear-hobbing clamp complex structure, required precision be high, involve great expense, handling are inconvenient; Process the gear of different size simultaneously, need the fixture of different size, the time of changing fixture is long, also causes the manufacturing expense of gear high, is unfavorable for that fast quick change produces.
Utility model content
Technical problem to be solved in the utility model be to provide a kind of can quick-replaceable, precision is high, and can adapt to the quick change gear-hobbing clamp of products of different specifications.
The technical solution of the utility model is as follows: a kind of quick change gear-hobbing clamp, it is characterized in that: comprise lifting axe (1), gland (2), pull bar, chuck (4), folding positioning sleeve (5), ringfeder (7), taper shaft (10), positioning disk (11), base (12), on the right side of described base (12), be fixed with taper shaft (10), the cone segments (10a) of described taper shaft (10) is positioned at the right-hand member of taper shaft (10), the outer positioning disk (11) that is set with of described taper shaft (10), and the cone segments at taper shaft (10) is set with ringfeder (7), the left end of described ringfeder (7) stretches in positioning disk (11), on described taper shaft (10) and base (12), be equipped with centre bore, in the centre bore of taper shaft (10) and base (12), pull bar is housed, outside the two ends difference protuberate basic unit (12) and taper shaft (10) of described pull bar, described pull bar extension taper axle (10) Wai one end is provided with drawhead (3a), described pull bar extension taper axle (10) Wai one end is also set with folding positioning sleeve (5), at the upper cover of folding positioning sleeve (5), there is chuck (4), described chuck (4) is spacing by drawhead (3a), described folding positioning sleeve (5) is comprised of upper folding location half cover (5a) and half cover (5b) docking of lower folding location,
One end of described lifting axe (1) is stretched in gland (2), and described lifting axe (1) stretches into gland (2) Nei one end and is provided with the drawhead groove (1a) corresponding with drawhead (3a), and described drawhead (3a) inserts in this drawhead groove (1a).
Adopt technique scheme, base and lifting axe are fixed on gear hobbing lathe, and one end of pull bar protuberate basic unit is also fixed on lathe.Workpiece is sleeved on ringfeder, then 5a is partly overlapped in upper folding location and 5b docking is partly overlapped in lower folding location, and be contained on pull bar, chuck 4 is put, then in one end of pull bar protuberate basic unit, pull pull bar, make ringfeder tensioner, workpiece is fixed on ringfeder, then lifting axe is laid, drawhead is stretched in the groove of lifting axe, thereby the other end of pull bar is firm, and in process, avoiding beating makes machining accuracy higher like this.When changing the product of different size, only need to change ringfeder and positioning disk, this just makes fixture of the present utility model can be suitable for the product of different size, is conducive to fast quick change and produces.Secondly, folding positioning sleeve of the present utility model adopts the form of upper and lower folding location half cover, shortens the clamping time.
In technique scheme: described gland (2) is tapering shape, its small end is near drawhead (3), this gland (2) is provided with central through hole, the upper position near central through hole of described gland (2) is provided with stepped hole, the large aperture part of this stepped hole communicates with the central through hole of gland (2), pin (13) is housed in this stepped hole, Compress Spring (14) and holding screw (15), described pin (13) has an enlarged diameter section, the enlarged diameter section of described pin (13) is positioned at the large diameter hole of stepped hole, reduced diameter section stretches in the small diameter bore of stepped hole, the larger diameter end of described pin (13) is connected with Compress Spring (14), the other end of described Compress Spring (14) is connected with holding screw (15), described holding screw (15) coordinates with the stepped hole screw thread of gland (2), tighten holding screw (15), thereby the enlarged diameter section of pin (13) is held out against lifting axe (1) in gland (2).When adopting holding screw and pin fixedly during lifting axe, holding screw need to be tightened or unscrew the replacing that just can realize lifting axe, quick and convenient.
In technique scheme: the middle part of described lifting axe (1) is provided with positioning disk (1b), described lifting axe (1) is provided with one end of drawhead groove (1a) and stretches in gland (2) from the centre bore of gland (2), and by screw, positioning disk (1b) is fastened on gland (2) outer face.
In technique scheme: described pull bar is comprised of upper connecting rod (3) and lower link (6), one end of described upper connecting rod (3) is provided with drawhead (3a), the other end is provided with screw thread, one end of described lower link (6) is provided with tapped groove (6a), and the end of thread of described upper connecting rod (3) stretches in groove (6a) and is threaded connection with lower link (6); Described upper connecting rod (3) is contained in the centre bore of taper shaft (10), and described lower link (6) is contained in the centre bore of base (12).A long pull bar is divided into upper connecting rod and lower link, has reduced difficulty of processing.
Beneficial effect: the utility model is reasonable in design, simple in structure, enforcement is easy, easy to use, can realize quick-replaceable, can be suitable for the product of different size, is conducive to fast quick change and produces, and fixed precision is higher.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of lifting axe;
Fig. 3 is the structural representation of gland;
Fig. 4 is the A-A cutaway view of Fig. 3;
Fig. 5 is out the structural representation with positioning sleeve;
Fig. 6 is the structural representation of upper connecting rod;
Fig. 7 is the structural representation of lower link;
Fig. 8 is the structural representation of taper shaft;
Fig. 9 is the structural representation of positioning disk;
Figure 10 is the structural representation of base.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As Figure 1-10 shows, quick change gear-hobbing clamp of the present utility model mainly by lifting axe 1, gland 2, upper connecting rod 3, chuck 4, open with parts such as positioning sleeve 5, lower link 6, ringfeder 7, packing ring 8, sample circle 9, taper shaft 10, positioning disk 11, base 12, pin 13, Compress Spring 14 and holding screws 15 and form.
The waist of described lifting axe 1 is provided with positioning disk 1b, and positioning disk 1b is provided with bolt hole, and one end of described lifting axe 1 is provided with drawhead groove 1a.
Described gland 2 is tapering shape, its small end is near drawhead 3, this gland 2 is provided with central through hole, position near central through hole on described gland 2 is provided with stepped hole, the large aperture part of this stepped hole communicates with the central through hole of gland 2, pin 13 is housed in this stepped hole, Compress Spring 14 and holding screw 15, described pin 13 is comprised of an enlarged diameter section and a reduced diameter section, the enlarged diameter section of described pin 13 is positioned at the large diameter hole of stepped hole, reduced diameter section stretches in the small diameter bore of stepped hole, the larger diameter end of described pin 13 is connected with Compress Spring 14, the other end of described Compress Spring 14 is connected with holding screw 15, described holding screw 15 coordinates with the stepped hole screw thread of gland 2, tighten holding screw 15, thereby the enlarged diameter section of pin 13 is held out against lifting axe 1 in gland 2.
The middle part of described lifting axe 1 is provided with positioning disk 1b, and described lifting axe 1 is provided with drawhead groove 1a one end and stretches in gland 2 from the centre bore of gland 2, and described lifting axe 1 also can be fastened on positioning disk 1b on gland 2 outer faces by screw.
The left end of described base 12 is provided with positioning seat, described base 12 has centre bore, the right-hand member of described base 12 is taper shaft 10 fixedly, described taper shaft 10 also has centre bore, and the left end portion of described taper shaft 10 stretches in base 12, and described taper shaft 10 is provided with large step near the position of left end, the right-hand member of large step is provided with middle step, the right-hand member of middle step is provided with small stair, and the right-hand member of small stair is provided with cone, and described large step is fixed by screws on base 12.
The left part external diameter of described positioning disk 11 is greater than middle part external diameter, middle part external diameter is greater than right part external diameter, in described positioning disk 11, be provided with stepped hole, aperture near left end stepped hole is maximum, described positioning disk 11 is sleeved on outside taper shaft 10, and the left end of described positioning disk 11 is sleeved on outside the middle step section of taper shaft 10, and be bolted on middle step section, the right-hand member of described positioning disk 11 is enclosed within outside the cone segments of taper shaft 10, the cone segments of described taper shaft 10 is set with ringfeder 7 outward, and the left end of described ringfeder 7 stretches in positioning disk 11.
One end of described upper connecting rod 3 is provided with drawhead 3a, drawhead 3a mates with the drawhead groove 1a of lifting axe 1, the other end is provided with screw thread, and one end of described lower link 6 is provided with tapped groove 6a, and the end of thread of described upper connecting rod 3 stretches in groove 6a and is threaded connection with lower link 6; Described upper connecting rod 3 is contained in the centre bore of taper shaft 10, and described lower link 6 is contained in the centre bore of base 12, outside described upper connecting rod 3 band drawhead 3a one end extension taper axles 10, outside one end protuberate basic unit 12 that described lower link 6 is not connected with upper connecting rod 3.Near on the pull bar 3a of taper shaft 10 right-hand members, be set with packing ring 8, described packing ring 8 is near taper shaft 10 right side.
Described upper connecting rod 3 protuberate basic unit 12Wai one end are established and are set with folding positioning sleeve 5, described folding positioning sleeve 5 is split up into from center line that 5a is partly overlapped in upper folding location and 5b is partly overlapped in lower folding location, described upper folding location is partly overlapped after 5b docking is partly overlapped in 5a and lower folding location and is sleeved on upper connecting rod 3, on folding positioning sleeve 5, cover has chuck 4, and described chuck 4 is spacing by drawhead 3a;
During use, base 12 and lifting axe 1 are fixed on gear hobbing lathe, lower link 6 protuberate basic unit 12 one end are also fixed on lathe, sample circle 9 is sleeved on ringfeder 7, then 5a is partly overlapped in upper folding location and 5b docking is partly overlapped in lower folding location, and be contained in and draw on 3 bars, chuck 4 is enclosed within, then in lower link 6 protuberate basic unit 12 one end, pull lower link 6, make ringfeder 7 tensioners, sample circle 9 is fixed on ringfeder 7, then lifting axe 1 is laid, the drawhead 3a of upper connecting rod 3 is stretched in gland 2, and be fixed in the drawhead groove 1a of lifting axe 1, thereby upper connecting rod 3 is firm, like this in process, avoid beating and make machining accuracy higher.When changing the product of different size, only need to change ringfeder 7 and positioning disk 11, this just makes fixture of the present utility model can be suitable for the product of different size, is conducive to fast quick change and produces.Secondly, the form that folding positioning sleeve 5 of the present utility model adopts upper and lower folding location partly to overlap 5a, 5b, shortens the clamping time.When unclamping, should first gland 2 and lifting axe 1 be taken out, and then unclamp ringfeder 7.
Claims (4)
1. a quick change gear-hobbing clamp, it is characterized in that: comprise lifting axe (1), gland (2), pull bar, chuck (4), folding positioning sleeve (5), ringfeder (7), taper shaft (10), positioning disk (11), base (12), on the right side of described base (12), be fixed with taper shaft (10), the cone segments (10a) of described taper shaft (10) is positioned at the right-hand member of taper shaft (10), the outer positioning disk (11) that is set with of described taper shaft (10), and the cone segments at taper shaft (10) is set with ringfeder (7), the left end of described ringfeder (7) stretches in positioning disk (11), on described taper shaft (10) and base (12), be equipped with centre bore, in the centre bore of taper shaft (10) and base (12), pull bar is housed, outside the two ends difference protuberate basic unit (12) and taper shaft (10) of described pull bar, described pull bar extension taper axle (10) Wai one end is provided with drawhead (3a), described pull bar extension taper axle (10) Wai one end is also set with folding positioning sleeve (5), at the upper cover of folding positioning sleeve (5), there is chuck (4), described chuck (4) is spacing by drawhead (3a), described folding positioning sleeve (5) is comprised of upper folding location half cover (5a) and half cover (5b) docking of lower folding location,
One end of described lifting axe (1) is stretched in gland (2), and described lifting axe (1) stretches into gland (2) Nei one end and is provided with the drawhead groove (1a) corresponding with drawhead (3a), and described drawhead (3a) inserts in this drawhead groove (1a).
2. quick change gear-hobbing clamp according to claim 1, it is characterized in that: described gland (2) is tapering shape, its small end is near drawhead (3), this gland (2) is provided with central through hole, the upper position near central through hole of described gland (2) is provided with stepped hole, the large aperture part of this stepped hole communicates with the central through hole of gland (2), pin (13) is housed in this stepped hole, Compress Spring (14) and holding screw (15), described pin (13) has an enlarged diameter section, the enlarged diameter section of described pin (13) is positioned at the large diameter hole of stepped hole, reduced diameter section stretches in the small diameter bore of stepped hole, the larger diameter end of described pin (13) is connected with Compress Spring (14), the other end of described Compress Spring (14) is connected with holding screw (15), described holding screw (15) coordinates with the stepped hole screw thread of gland (2), tighten holding screw (15), thereby the enlarged diameter section of pin (13) is held out against lifting axe (1) in gland (2).
3. according to quick change gear-hobbing clamp described in claim 1 or 2, it is characterized in that: the middle part of described lifting axe (1) is provided with positioning disk (1b), described lifting axe (1) is provided with one end of drawhead groove (1a) and stretches in gland (2) from the centre bore of gland (2), and by screw, positioning disk (1b) is fastened on gland (2) outer face.
4. according to quick change gear-hobbing clamp described in claim 1 or 2, it is characterized in that: described pull bar is comprised of upper connecting rod (3) and lower link (6), one end of described upper connecting rod (3) is provided with drawhead (3a), the other end is provided with screw thread, one end of described lower link (6) is provided with tapped groove (6a), and the end of thread of described upper connecting rod (3) stretches in groove (6a) and is threaded connection with lower link (6); Described upper connecting rod (3) is contained in the centre bore of taper shaft (10), and described lower link (6) is contained in the centre bore of base (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320419110.2U CN203390327U (en) | 2013-07-15 | 2013-07-15 | Quick-changing hobbing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320419110.2U CN203390327U (en) | 2013-07-15 | 2013-07-15 | Quick-changing hobbing clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203390327U true CN203390327U (en) | 2014-01-15 |
Family
ID=49901889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320419110.2U Expired - Lifetime CN203390327U (en) | 2013-07-15 | 2013-07-15 | Quick-changing hobbing clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203390327U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400145A (en) * | 2014-11-10 | 2015-03-11 | 重庆蓝黛动力传动机械股份有限公司 | Gear shaving clamp |
| CN104493308A (en) * | 2014-12-22 | 2015-04-08 | 无锡永凯达齿轮有限公司 | Efficient hobbing clamp for small inner hole gears |
-
2013
- 2013-07-15 CN CN201320419110.2U patent/CN203390327U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400145A (en) * | 2014-11-10 | 2015-03-11 | 重庆蓝黛动力传动机械股份有限公司 | Gear shaving clamp |
| CN104400145B (en) * | 2014-11-10 | 2016-08-24 | 重庆蓝黛动力传动机械股份有限公司 | A kind of Fixture for Gear-shaving |
| CN104493308A (en) * | 2014-12-22 | 2015-04-08 | 无锡永凯达齿轮有限公司 | Efficient hobbing clamp for small inner hole gears |
| CN104493308B (en) * | 2014-12-22 | 2016-08-17 | 无锡永凯达齿轮有限公司 | The little efficient gear-hobbing clamp of endoporus gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 402760, 100, sword Hill Road, Bi Quan street, Bishan District, Chongqing Patentee after: CHONGQING LANDAI POWERTRAIN Corp.,Ltd. Address before: 402760 Hexi Industrial Zone, Bishan County, Chongqing Patentee before: CHONGQING LANDAI POWERTRAIN Corp.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 402760 No.100, Jianshan Road, Biquan street, Bishan District, Chongqing Patentee after: Landai Technology Group Co.,Ltd. Address before: 402760 No.100, Jianshan Road, Biquan street, Bishan District, Chongqing Patentee before: CHONGQING LANDAI POWERTRAIN Corp.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140115 |