CN203197299U - Grooving clamp for clamping synchronizer duplicate gear - Google Patents
Grooving clamp for clamping synchronizer duplicate gear Download PDFInfo
- Publication number
- CN203197299U CN203197299U CN 201320157666 CN201320157666U CN203197299U CN 203197299 U CN203197299 U CN 203197299U CN 201320157666 CN201320157666 CN 201320157666 CN 201320157666 U CN201320157666 U CN 201320157666U CN 203197299 U CN203197299 U CN 203197299U
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- Prior art keywords
- mandrel
- hole
- sleeve
- terminal pad
- clamping
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- Withdrawn - After Issue
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Abstract
The utility model discloses a grooving clamp for clamping a synchronizer duplicate gear. The left end of a mandrel is inserted into a small-diameter section of a connecting disc inner hole. An annular mounting boss at the left end of the mandrel is fixed with a connecting disc. A sliding sleeve is coaxially sleeved in the middle of the mandrel. A cylinder pin is connected in a radial hole in the sliding sleeve. After the inner end of the cylinder pin penetrates through a strip-shaped sliding hole in the mandrel, the inner end of the cylinder pin extends into a central hole. A locating sleeve is sleeved outside the sliding sleeve. The left portion of the locating sleeve is fixed with an annular mounting boss. A large-end-left cone-shaped part is arranged on the right portion of the mandrel. An expanding sleeve is sleeved on the cone-shaped part. A cone-shaped inner hole of the expanding sleeve is matched with the cone-shaped part of the mandrel. Axial grooves are formed in the left portion of the expanding sleeve in the periphery direction. An outer spline is arranged on the expanding sleeve between two adjacent axial grooves. After a gasket is sleeved on a rod portion of a bolt, the rod portion of the bolt is inserted into the central hole of the mandrel and is connected with an inner thread hole in the right end portion of a pulling rod which is arranged on the left side of the cylinder pin. An outer thread section on the left portion of the pulling rod extends into a large-hole-diameter section of the connecting disc inner hole. According to the grooving clamp, locating is carried out on an inner spline hole of a gear blank through the expanding sleeve, expanding sleeve deformation in the periphery direction is even, and accordingly clamping accuracy can be improved, gear assembling and disassembling are convenient, and accordingly the shortcoming of a traditional grooving clamp is overcome.
Description
Technical field
The utility model belongs to the anchor clamps field, specifically, relates in particular to a kind of cutting groove jig for clamping synchronized duplicate gear.
Background technology
Duplicate gear is a kind of vitals on the synchronized, and its endoporus usually is splined hole.At present, we usually adopt lathe to process the middle cannelure of synchronized duplicate gear, processing comes the tooth base P of clamping gear often by cutting groove jig as shown in Figure 1, this cutting groove jig comprises clamp shaft 1, this clamp shaft 1 is two-part hierarchic structure left large and right small, wherein large footpath section has external splines, and is installed with the cover 2 that is located by connecting in the left part of large footpath section by welding, this cover 2 scroll chucks chucking by lathe that is located by connecting during installation.The miner diameter end of described clamp shaft 1 is set with packing ring 3 and locking nut 4 from left to right successively.During clamping tooth base P, tooth base P is sleeved on the right part of the large footpath of clamp shaft 1 section, and tooth base P is clamped in and is located by connecting between cover 2 and the packing ring 3.In use, we find that mainly there is following defective in existing cutting groove jig:
1, because clamp shaft 1 positions by the internal splined hole of its external splines to tooth base P, positioning accuracy is low, so just causes clamping precision poor;
When 2, tearing tooth base P open after toothing base P and the processing, all need dismounting packing ring 3 and locking nut 4, complicated operation is wasted time and energy.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of cutting groove jig for clamping synchronized duplicate gear, and wish guarantees clamping precision, and is convenient to install and remove the tooth base.
The technical solution of the utility model is as follows: a kind of cutting groove jig for clamping synchronized duplicate gear, it is characterized in that: comprise terminal pad (5), mandrel (6) and bolt (11), wherein have axial installing hole (5a) on the terminal pad (5), the endoporus of this terminal pad is two-part shoulder hole left large and right small; The axial line of the axial line of described mandrel (6) and terminal pad (5) is on the same straight line, and the left end of this mandrel inserts the path section of terminal pad (5) endoporus, and the annular installation base (6a) of mandrel (6) left part is fixing with terminal pad (5);
Described mandrel (6) middle part coaxial sleeve is equipped with sliding sleeve (7), is connected with straight pin (8) in the radial hole on sliding sleeve, and the inner of this straight pin reaches in the centre bore of mandrel (6) after passing bar shaped sliding eye (6b) on the mandrel (6); The outer coaxial sleeve of described sliding sleeve (7) has positioning sleeve (9), and the left part of this positioning sleeve and described annular installation base (6a) are fixing;
Described mandrel (6) right part is tapered portion left large and right small, at this position coaxial sleeve an expansion set (10) is housed, the tapered portion of the cone-shaped inner hole of expansion set (10) and mandrel (6) adapts, the left part of this expansion set is along being circumferentially with axial groove, and the expansion set (10) between adjacent two axial grooves is provided with external splines, and the diameter of this external splines is less than the external diameter of described positioning sleeve (9);
Behind the bar section packing ring of suit (12) of described bolt (11), insert in the centre bore of described mandrel (6), and link to each other with the internal thread hole of pull bar (13) right part, and the diameter of packing ring (12) is less than the external diameter of described expansion set (10); Described pull bar (13) is positioned at the left side of straight pin (8), and the left part of pull bar (13) is external thread section, and this external thread section reaches in the large aperture section of described terminal pad (5) endoporus.
Clamping tooth base (P) is front, terminal pad (5) is fixed by the hollow spindle that is located in screw (17) and lathe in its axial installing hole (5a), and the thread segment of pull bar (13) left part links to each other with drawing cylinder in the lathe hollow spindle.During clamping tooth base (P), directly tooth base (P) is sleeved on first the external splines place of expansion set (10), driving expansion set (10) by drawing cylinder again moves axially left, thereby the endoporus of expansion set (10) is matched with the tapered portion of mandrel (6), internal splined hole to tooth base (P) positions with regard to by expansion set (10) swelling the time like this, in order to tooth base (P) is carried out grooving processing.Deformation comparison is even in a circumferential direction owing to expansion set (10), and so just location, the clamping precision than traditional cutting groove jig is high.
After cutting groove, driving expansion set (10) by drawing cylinder moves axially to the right, thereby driving expansion set (10) by sliding sleeve (7) and straight pin (8) moves axially to the right, thereby recovery deformation, so just the tooth base (P) after the processing can be unclamped, in order to directly tooth base (P) is taken off, simple to operation.
Adopt above technical scheme, the utility model comes the internal splined hole of tooth base (P) is positioned by expansion set (10), and deformation comparison is even in a circumferential direction for expansion set (10), so just can improve clamping precision, and these anchor clamps mounting or dismounting tooth bases (P) are all more convenient, thereby effectively overcome the defective of traditional cutting groove jig, had good applicability, be suitable for extensively promoting the use.
As the optimal design value, the tapered portion tapering of described mandrel (6) right part is 10 ° to 15 °.In above structure, the tapering of mandrel (6) conical section can not be excessive, again can not be too small, and excessive words easily make tension force excessive, and then expansion set (10) was lost efficacy, and too small words easily cause again self-locking.
As preferably, in the radial hole of described mandrel (6) left part anti-turn screw (14) is housed, the inner of this anti-turn screw is stretched in the axial groove of described pull bar (13) right part, so just can prevent well that pull bar (13) from rotating.
In the utility model, the annular installation base (6a) of described mandrel (6) is fixing with terminal pad (5) by the screw (15) that axially arranges, and the left part of described positioning sleeve (9) is set in outside this annular installation base (6a), and the two is fixedly connected with by the cone end holding screw (16) that radially arranges.
Beneficial effect: the utility model comes the internal splined hole of tooth base (P) is positioned by expansion set (10), and deformation comparison is even in a circumferential direction for expansion set (10), so just can improve clamping precision, and these anchor clamps mounting or dismounting tooth bases (P) are all more convenient, thereby effectively overcome the defective of traditional cutting groove jig, have good applicability, be suitable for extensively promoting the use.
Description of drawings
Fig. 1 is the structural representation of conventional brace;
Fig. 2 is the clamp structure schematic diagram after improving.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 2, the utility model mainly is made of terminal pad 5, mandrel 6, sliding sleeve 7, straight pin 8, positioning sleeve 9, expansion set 10, bolt 11, packing ring 12, pull bar 13, anti-turn screw 14, screw 15 and cone end holding screw 16.Wherein, have a plurality of axial installing hole 5a on the described terminal pad 5, terminal pad 5 links to each other with the main shaft of lathe by the attachment screw 17 that is located among this axial installing hole 5a.The endoporus of described terminal pad 5 is two-part shoulder hole left large and right small, and the left side of its large pore section is taper seat.
The axial line of the axial line of described mandrel 6 and terminal pad 5 is on the same straight line, and the left end of this mandrel 6 inserts the path section of terminal pad 5 endoporus, and the annular installation base 6a of mandrel 6 left parts is fixing with terminal pad 5 by many screws that axially arrange 15.
As can be seen from Figure 2, the middle part coaxial sleeve of described mandrel 6 is equipped with sliding sleeve 7, is connected with straight pin 8 in the radial hole on sliding sleeve 7, after bar shaped sliding eye 6b on the mandrel 6 is passed in the inner of this straight pin 8, reach in the centre bore of mandrel 6, and bar shaped sliding eye 6b is along the axial setting of mandrel 6.Described sliding sleeve 7 outer coaxial sleeves have a positioning sleeve 9, and the left part of this positioning sleeve 9 is set in outside the annular installation base 6a of described mandrel 6, and the two is fixedly connected with by the cone end holding screw 16 that radially arranges.
As can be seen from Figure 2, described mandrel 6 right parts are tapered portion left large and right small, and the tapering of this tapered portion is 10 ° to 15 °.Tapered portion coaxial sleeve at described mandrel 6 right parts is equipped with an expansion set 10, the tapered portion of the cone-shaped inner hole of expansion set 10 and mandrel 6 adapts, the left part of this expansion set 10 is along being circumferentially with axial groove, and the expansion set 10 between adjacent two axial grooves is provided with external splines, the diameter of this external splines is less than the external diameter of described positioning sleeve 9, and the left part of expansion set 10 stretches into the right part of positioning sleeve 9 endoporus.
Also can further find out from Fig. 2, behind packing ring 12 of bar section suit of described bolt 11, insert in the centre bore of described mandrel 6, and link to each other with the internal thread hole of pull bar 13 right parts, and the diameter of packing ring 12 be less than the external diameter of described expansion set 10.Described pull bar 13 is positioned at the left side of straight pin 8, and the left part of pull bar 13 is external thread section, and this external thread section reaches in the large aperture section of described terminal pad 5 endoporus.In addition, in the radial hole of described mandrel 6 left parts anti-turn screw 14 is housed, the inner of this anti-turn screw 14 is stretched in the axial groove of described pull bar 13 right parts.
The above only is preferred embodiment of the present utility model; not take the utility model as restriction; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. cutting groove jig that is used for clamping synchronized duplicate gear, it is characterized in that: comprise terminal pad (5), mandrel (6) and bolt (11), wherein have axial installing hole (5a) on the terminal pad (5), the endoporus of this terminal pad is two-part shoulder hole left large and right small; The axial line of the axial line of described mandrel (6) and terminal pad (5) is on the same straight line, and the left end of this mandrel inserts the path section of terminal pad (5) endoporus, and the annular installation base (6a) of mandrel (6) left part is fixing with terminal pad (5);
Described mandrel (6) middle part coaxial sleeve is equipped with sliding sleeve (7), is connected with straight pin (8) in the radial hole on sliding sleeve, and the inner of this straight pin reaches in the centre bore of mandrel (6) after passing bar shaped sliding eye (6b) on the mandrel (6); The outer coaxial sleeve of described sliding sleeve (7) has positioning sleeve (9), and the left part of this positioning sleeve and described annular installation base (6a) are fixing;
Described mandrel (6) right part is tapered portion left large and right small, at this position coaxial sleeve an expansion set (10) is housed, the tapered portion of the cone-shaped inner hole of expansion set (10) and mandrel (6) adapts, the left part of this expansion set is along being circumferentially with axial groove, and the expansion set (10) between adjacent two axial grooves is provided with external splines, and the diameter of this external splines is less than the external diameter of described positioning sleeve (9);
Behind the bar section packing ring of suit (12) of described bolt (11), insert in the centre bore of described mandrel (6), and link to each other with the internal thread hole of pull bar (13) right part, and the diameter of packing ring (12) is less than the external diameter of described expansion set (10); Described pull bar (13) is positioned at the left side of straight pin (8), and the left part of pull bar (13) is external thread section, and this external thread section reaches in the large aperture section of described terminal pad (5) endoporus.
2. described cutting groove jig for clamping synchronized duplicate gear according to claim 1, it is characterized in that: the tapered portion tapering of described mandrel (6) right part is 10 ° to 15 °.
3. described cutting groove jig for clamping synchronized duplicate gear according to claim 1 and 2, it is characterized in that: in the radial hole of described mandrel (6) left part anti-turn screw (14) is housed, the inner of this anti-turn screw is stretched in the axial groove of described pull bar (13) right part.
4. described cutting groove jig for clamping synchronized duplicate gear according to claim 3, it is characterized in that: the annular installation base (6a) of described mandrel (6) is fixing with terminal pad (5) by the screw (15) that axially arranges, and the left part of described positioning sleeve (9) is set in outside this annular installation base (6a), and the two is fixedly connected with by the cone end holding screw (16) that radially arranges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320157666 CN203197299U (en) | 2013-04-01 | 2013-04-01 | Grooving clamp for clamping synchronizer duplicate gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320157666 CN203197299U (en) | 2013-04-01 | 2013-04-01 | Grooving clamp for clamping synchronizer duplicate gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203197299U true CN203197299U (en) | 2013-09-18 |
Family
ID=49141439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320157666 Withdrawn - After Issue CN203197299U (en) | 2013-04-01 | 2013-04-01 | Grooving clamp for clamping synchronizer duplicate gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203197299U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170654A (en) * | 2013-04-01 | 2013-06-26 | 重庆永达精密机械有限公司 | Grooving jig used for clamping synchronizer duplicate gear |
| CN109570866A (en) * | 2018-12-03 | 2019-04-05 | 北京星驰恒动科技发展有限公司 | A kind of nest positioning device |
| CN111195822A (en) * | 2020-02-19 | 2020-05-26 | 江山市发发科技有限公司 | Method for processing outer peripheral surface of circular ring and cylinder driving type machine tool for processing outer peripheral surface of circular ring |
-
2013
- 2013-04-01 CN CN 201320157666 patent/CN203197299U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170654A (en) * | 2013-04-01 | 2013-06-26 | 重庆永达精密机械有限公司 | Grooving jig used for clamping synchronizer duplicate gear |
| CN109570866A (en) * | 2018-12-03 | 2019-04-05 | 北京星驰恒动科技发展有限公司 | A kind of nest positioning device |
| CN111195822A (en) * | 2020-02-19 | 2020-05-26 | 江山市发发科技有限公司 | Method for processing outer peripheral surface of circular ring and cylinder driving type machine tool for processing outer peripheral surface of circular ring |
| CN111195822B (en) * | 2020-02-19 | 2021-05-04 | 江山市发发科技有限公司 | Method for processing outer peripheral surface of circular ring and cylinder driving type machine tool for processing outer peripheral surface of circular ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130918 Effective date of abandoning: 20141231 |
|
| RGAV | Abandon patent right to avoid regrant |