CN203471084U - Double-piece gear hobbing clamp - Google Patents
Double-piece gear hobbing clamp Download PDFInfo
- Publication number
- CN203471084U CN203471084U CN201320498280.4U CN201320498280U CN203471084U CN 203471084 U CN203471084 U CN 203471084U CN 201320498280 U CN201320498280 U CN 201320498280U CN 203471084 U CN203471084 U CN 203471084U
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- pull bar
- cone
- hole
- multidiameter
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Abstract
The utility model discloses a machine tool component, and particularly relates to a double-piece gear hobbing clamp. The double-piece gear hobbing clamp comprises a taper mandrel, an upper upright and a first pull rod, the taper mandrel comprises a stepped shaft and a cone, the upper end of the stepped shaft is connected with the end, with a larger diameter, of the cone, the upper end of the stepped shaft is equal to the end, with the larger diameter, of the cone in size, and a first through hole is formed in the lower end face of the taper mandrel in the axial direction; a positioning sleeve is arranged on the stepped shaft and a spring expansion sleeve is arranged on the cone; one end of the first pull rod is provided with a circular truncated cone arranged coaxially with the first pull rod and arranged with the diameter no larger than the outer diameter of the spring expansion sleeve, and the other end of the first pull rod penetrates through the first through hole; the upper upright coaxially arranged with the first pull rod is arranged above the first pull rod and the upper upright is fixedly connected with a pressing sleeve. After the structure is adopted, a machine tool hydraulic cylinder and the upper upright are thoroughly utilized, the assembly and disassembly time of a workpiece is shortened, and the labor efficiency is improved; meanwhile, the rigidity of the clamp is enhanced; due to the fact that sliding sleeves which move relatively are omitted, the workpiece positioning accuracy is high, and the machining accuracy of a gear is stably guaranteed.
Description
Technical field
The utility model relates to a kind of machine tool accessories, is specifically related to a kind of pair of part gear-hobbing clamp.
Background technology
In mechanical processing process, after usually needing workpiece to fix, then carry out workpiece processing.Fixture is the conventional machinery device that is used for fixing workpiece in Gear Processing.Add man-hour carrying out gear hobbing, existing fixture used as shown in Figure 1, after workpiece 16 is installed, move clockwise nut 31, nut 31 promotes single head cone blocking 36 downwards, and single head cone blocking 36 promotes the first spring housing 35 and moves down, the first spring housing 35 promotes double end cone blocking 34 and moves down, double end cone blocking 34 promotes the second spring housings 33 downwards, until below the second spring housing 33 tensioners after workpiece 16 endoporus, when the second spring housing 33 stops deformation, double end cone blocking 34 stops moving down.Workpiece 16 endoporus above the first spring housing 35 tensioners, when the first spring housing 35 stops deformation, single head cone blocking 36 stops moving down.Now, because two workpiece 16 endoporus are by tensioner, move clockwise nut 31, nut 31 can not move down, and has completed location and the clamping of workpiece to be machined 16, just can carry out gear hobbing processing to workpiece 16.After gear hobbing machines, with spanner, move counterclockwise nut 31, nut 31 moves up, and now because single head cone blocking 36 has lost nut 31 to its downward thrust, it can move up under the effect of the first spring housing 35 restoring forces; Now, double end cone blocking 34 has lost the first spring housing 35 to its downward thrust, also can under the effect of the second spring housing 33 restoring forces, move up, and finally unclamps two workpiece 16 of gear hobbing.
The defect of this gear-hobbing clamp: the one, workman still needs to consume larger muscle power, use spanner handling workpiece to be machined, and clamping is consuming time, and efficiency is low; The 2nd, due to malcompression part end face, only depend on tensioner endoporus to resist cutting hobbing power, rigidity is not enough will to make fixture seem, and the teeth directional uniformity of the product processing is poor; The 3rd, because single head cone blocking and double end cone blocking are sliding sleeve and can slide vertically, the radial clearance that must existence between single head cone blocking and double end cone blocking and axle can slide, so its positioning precision is not still very high, part processing precision can not get Reliable guarantee.
Utility model content
The technical problems to be solved in the utility model comprises: in prior art, gear-hobbing clamp makes workman's physical demands large, and clamping is consuming time, working (machining) efficiency is low, the shortcoming that fixture rigidity deficiency and positioning precision are not high.
In order to solve the problems of the technologies described above, the utility model provides a kind of pair of part gear-hobbing clamp, comprise tapering mandrel, upper pillar stand and the first pull bar, described tapering mandrel comprises multidiameter and cone, multidiameter upper end is connected and equal and opposite in direction with the larger one end of cone diameter, and tapering mandrel lower surface is provided with the first through hole vertically; On multidiameter, be fixedly connected with and be useful on the positioning sleeve that limits workpiece to be machined position, be provided with spring ringfeder on cone, spring ringfeder axially extending bore is the bellmouth adapting with cone; Described first pull bar one end is provided with the round platform that and diameter coaxial with it is not more than spring ringfeder overall diameter, and the other end is through the first through hole, and the first pull bar drives by machine tool hydraulic cylinder, can move along the first through hole, and round platform is compressed spring ringfeder; The first pull bar top is provided with the upper pillar stand coaxial with the first pull bar, and upper pillar stand is fixedly connected with the gland that is useful on compressing component, and gland diameter of bore is greater than the diameter of the first pull bar upper end round platform, and interior hole depth is greater than frustum cone height.
Tapering mandrel lower end means one end of multidiameter diameter maximum.
Adopt two part gear-hobbing clamps of such scheme, by hydraulic cylinder, drive the first pull bar, making round platform on the first pull bar can promote fast spring ringfeder moves axially and by its compression along cone, because tapering mandrel is motionless, spring ringfeder axially extending bore moves down along cone surface, make the radially continuous swell of spring ringfeder, rapidly by inner hole of workpiece tensioner; Upper pillar stand drives gland, and workpiece is fixed between positioning sleeve and gland fast.Treat gear hobbing process finishing, gland moves with upper pillar stand, away from workpiece; Hydraulic Cylinder the first pull bar, makes round platform away from spring ringfeder.Along with spring ringfeder is under the effect of restoring force, spring ringfeder radially dwindles, and unclamps the workpiece of gear hobbing.Take full advantage of machine tool hydraulic cylinder and upper pillar stand, significantly alleviated workman's labour intensity, shortened piece handling time, improved efficiency; Upper pillar stand has compressed workpiece end face by gland, has strengthened fixture rigidity; Due to the sliding sleeve not can be movable relatively, by having eliminated radial clearance completely after spring ringfeder tensioner, make workpiece positioning precision very high, and can stablize assurance Gear Processing precision.
As preferred version, on described round platform, be provided with the axis of guide coaxial with the first pull bar, upper pillar stand lower surface is provided with and the corresponding pilot hole of the axis of guide, and upper pillar stand side is provided with the steam vent being connected with pilot hole.
Adopt after such structure, under the effect of pilot hole and the axis of guide, make gland when moving with upper pillar stand, can be pressed in more accurately workpiece end face.
As preferred version, described tapering mandrel lower surface is provided with the counterbore of settling the second pull bar, and the second pull bar diameter is greater than the diameter of the larger one end of cone, and is fixedly connected with the first pull bar; On the step surface of multidiameter, be provided with the second through hole being communicated with counterbore, push rod one end is passed the second through hole and is contacted with the second pull bar.
Adopt after such structure, the second pull bar promotes push rod, and push rod promotes spring ringfeder, makes spring ringfeder accelerate to move along cone axial direction, shortens spring ringfeder turnaround time, thereby further shortens the time of discharging workpieces, increases work efficiency.
As preferred version, between described push rod and spring ringfeder, be provided with top cover, top cover and multidiameter are in axial direction slidably matched.
Adopt after such structure, by top cover, promote spring ringfeder, make spring ringfeder stressed evenly, not fragile.
As preferred version, on described gland, be provided with the anti-rotation pin that prevents that gland and upper pillar stand from relatively rotating; On described positioning sleeve and multidiameter, be equipped with the anti-rotation pin that prevents that positioning sleeve and multidiameter from relatively rotating.
Adopt after such structure, can guarantee that gland and positioning sleeve add man-hour carrying out gear hobbing, can not rotate, improve Gear Processing precision.
As preferred version, described multidiameter side is provided with the screwed hole being connected with the first through hole, and anti-turn screw stretches in the first through hole through screwed hole; The first pull bar lower end is provided with and the corresponding anti-rotation chute of anti-turn screw.
Accompanying drawing explanation
Fig. 1 is the structural representation of gear-hobbing clamp in prior art;
Fig. 2 is the structural representation of the two part gear-hobbing clamp embodiment of the utility model.
In figure, the 1st, upper pillar stand, the 2nd, gland, the 3rd, round platform, the 4th, cone, the 5th, spring ringfeder, 6 is first pull bars, and 7 is first through holes, the 8th, and positioning sleeve, the 9th, multidiameter, 10 is second pull bars, the 11st, counterbore, the 12nd, push rod, the 13rd, anti-rotation pin, 14 is second through holes, the 15th, top cover, the 16th, workpiece, the 17th, endoporus, the 18th, the axis of guide, the 19th, pilot hole, the 20th, steam vent, the 21st, anti-rotation chute, the 22nd, screwed hole, the 23rd, anti-turn screw, the 31st, nut, 33 is second spring housings, the 34th, double end cone blocking, 35 is first spring housings, the 36th, and single head cone blocking.
The specific embodiment
Below in conjunction with drawings and Examples, technical solutions of the utility model are described in further detail:
For sake of convenience, hereinafter restriction effect, with the upper and lower of accompanying drawing 2 own to consistent, but does not play to structure of the present utility model in alleged " making progress " " downwards ".
Two part gear-hobbing clamps as shown in Figure 2, comprise tapering mandrel, upper pillar stand 1 and the first pull bar 6, described tapering mandrel comprises multidiameter 9 and cone 4, multidiameter 9 upper ends are connected and external diameter equal and opposite in direction with cone 4 larger one end of diameter, tapering mandrel lower surface is provided with the first through hole 7 and vertically for settling counterbore 11, the first through holes 7 of the second pull bar 10 to be positioned at same straight line with the center line of counterbore 11; The outer spring ringfeder 5 that is arranged with of cone 4, spring ringfeder 5 axially extending bores are the bellmouth adapting with cone 4, and multidiameter 9 is outer to be arranged with for limiting the positioning sleeve 8 of workpiece to be machined 16 axial locations, and positioning sleeve 8 is fixedly connected with by screw with multidiameter 9; Positioning sleeve 8 can guarantee that workpiece is identical with spring ringfeder 5 at the axial location that adds man-hour.First pull bar 6 one end are provided with the round platform 3 that and diameter coaxial with it is not more than spring ringfeder 5 overall diameters, and the other end is through the first through hole 7 and be fixedly connected with by screw thread with the second pull bar 10 in counterbore 11; The second pull bar 10 diameters are greater than the diameter of cone 4 larger one end, and the second pull bar 10 is driven and moved down by machine tool hydraulic cylinder, and round platform 3 is compressed spring ringfeder 5; The first pull bar 6 tops are provided with the upper pillar stand 1 coaxial with the first pull bar 6, and upper pillar stand 1 is fixedly connected with the gland 2 that is useful on compressing component, and gland 2 endoporus 17 diameters are greater than the diameter of the first pull bar 6 upper end round platforms 3, and endoporus 17 degree of depth are greater than round platform 3 height.On round platform 3, be welded with the axis of guide 18 coaxial with the first pull bar 6, upper pillar stand 1 lower surface is provided with and the corresponding pilot hole 19 of the axis of guide 18, and upper pillar stand 1 side is provided with the steam vent 20 being connected with pilot hole 19.
On the step surface of multidiameter 9, be provided with the second through hole 14 being communicated with counterbore 11, push rod 12 one end are passed the second through hole 14 and are offseted with the second pull bar 10, between push rod 12 and spring ringfeder 5, be provided with top cover 15, top cover 15 is in axial direction slidably matched with multidiameter 9.
On gland 2, be provided with the anti-rotation pin 13 that prevents that gland 2 and upper pillar stand 1 from relatively rotating; On described positioning sleeve 8 and multidiameter 9, be equipped with the anti-rotation pin 13 that prevents that positioning sleeve 8 and multidiameter 9 from relatively rotating.The second pull bar 10 lower ends are also provided with gathering sill, and multidiameter 9 sides are provided with the screwed hole 22 being connected with the first through hole 7, and anti-turn screw 23 stretches in the first through hole 7 through screwed hole 22; The first pull bar 6 lower ends are provided with and the corresponding anti-rotation chute 21 of anti-turn screw 23.
Before processing, after workpiece to be machined 16 is installed, start lathe hydraulic cylinder button, by hydraulic cylinder, drive the second pull bar 10 to move down, the second pull bar 10 drives the first pull bar 6 to move down, because tapering mandrel is motionless, making round platform 3 on the first pull bar 6 can promote fast spring ringfeder 5 moves axially along cone 4, spring ringfeder 5 axially extending bores move down along cone 4 surfaces, make the radially continuous swell of spring ringfeder 5, rapidly by workpiece 16 endoporus tensioners; Restart upper pillar stand 1 button, make upper pillar stand 1 drive gland 2 to move down, the guide effect by the axis of guide 18 with pilot hole 19, is fixed on workpiece 16 between positioning sleeve 8 and gland 2 fast.
Treat gear hobbing process finishing, gland 2 moves up with upper pillar stand 1; Hydraulic Cylinder the second pull bar 10, the second pull bars 10 promote the first pull bar 6 and push rod 12 simultaneously, also make push rod 12 promote top covers 15 when making round platform 3 away from spring ringfeder 5, and then make top cover 15 promote spring ringfeders 5 to move up.Along with spring ringfeder 5 is under the effect of restoring force, spring ringfeder 5 radially dwindles, and unclamps the workpiece 16 of gear hobbing, just the workpiece of gear hobbing 16 can be unloaded.
Above-described is only preferred embodiment of the present utility model; should be understood that; for a person skilled in the art; do not departing under the prerequisite of the utility model structure; can also make some distortion and improvement; these also should be considered as protection domain of the present utility model, and these can not affect effect and practical applicability that the utility model is implemented.
Claims (6)
1. a two part gear-hobbing clamp, it is characterized in that: comprise tapering mandrel, upper pillar stand and the first pull bar, described tapering mandrel comprises multidiameter and cone, and multidiameter upper end is connected and equal and opposite in direction with the larger one end of cone diameter, and tapering mandrel lower surface is provided with the first through hole vertically; On multidiameter, be fixedly connected with and be useful on the positioning sleeve that limits workpiece to be machined position, be provided with spring ringfeder on cone, spring ringfeder axially extending bore is the bellmouth adapting with cone; Described first pull bar one end is provided with the round platform that and diameter coaxial with it is not more than spring ringfeder overall diameter, and the other end is through the first through hole, and the first pull bar drives by hydraulic cylinder, can move along the first through hole, and round platform is compressed spring ringfeder; The first pull bar top is provided with the upper pillar stand coaxial with the first pull bar, and upper pillar stand is fixedly connected with the gland that is useful on compressing component, and gland diameter of bore is greater than the diameter of the first pull bar upper end round platform, and interior hole depth is greater than frustum cone height.
2. according to claim 1 pair of part gear-hobbing clamp, it is characterized in that: on described round platform, be provided with the axis of guide coaxial with the first pull bar, upper pillar stand lower surface is provided with and the corresponding pilot hole of the axis of guide, and upper pillar stand side is provided with the steam vent being connected with pilot hole.
3. according to claim 1 pair of part gear-hobbing clamp, is characterized in that: described tapering mandrel lower surface is provided with the counterbore of settling the second pull bar, and the second pull bar diameter is greater than the diameter of the larger one end of cone, and is fixedly connected with the first pull bar; On the step surface of multidiameter, be provided with the second through hole being communicated with counterbore, push rod one end is passed the second through hole and is contacted with the second pull bar.
4. according to claim 3 pair of part gear-hobbing clamp, is characterized in that: between described push rod and spring ringfeder, be provided with top cover, top cover and multidiameter are in axial direction slidably matched.
5. according to claim 1 pair of part gear-hobbing clamp, is characterized in that: on described gland, be provided with the anti-rotation pin that prevents that gland and upper pillar stand from relatively rotating; On described positioning sleeve and multidiameter, be equipped with the anti-rotation pin that prevents that positioning sleeve and multidiameter from relatively rotating.
6. according to claim 1 pair of part gear-hobbing clamp, is characterized in that: described multidiameter side is provided with the screwed hole being connected with the first through hole, and anti-turn screw stretches in the first through hole through screwed hole; The first pull bar lower end is provided with and the corresponding anti-rotation chute of anti-turn screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320498280.4U CN203471084U (en) | 2013-08-15 | 2013-08-15 | Double-piece gear hobbing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320498280.4U CN203471084U (en) | 2013-08-15 | 2013-08-15 | Double-piece gear hobbing clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203471084U true CN203471084U (en) | 2014-03-12 |
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ID=50219494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320498280.4U Withdrawn - After Issue CN203471084U (en) | 2013-08-15 | 2013-08-15 | Double-piece gear hobbing clamp |
Country Status (1)
| Country | Link |
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| CN (1) | CN203471084U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103418856A (en) * | 2013-08-15 | 2013-12-04 | 重庆渝青机械配件制造有限公司 | Dual-piece hobbing fixture |
| CN103934515A (en) * | 2014-04-30 | 2014-07-23 | 泰州市兴华齿轮制造有限公司 | Hydraulic tensioning method for fixing gear |
| 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 |
| CN106735604A (en) * | 2016-11-18 | 2017-05-31 | 四川法斯特机械制造有限责任公司 | A kind of frock and application method that thin-walled hollow major axis is machined with vertical gear shaping |
| CN106825788A (en) * | 2017-04-07 | 2017-06-13 | 桂林福达齿轮有限公司 | A kind of driving wheel spring chuck of gear lapping |
| CN113909336A (en) * | 2020-07-08 | 2022-01-11 | 天津阿瑞斯工业炉有限公司 | Automatic calibration equipment and method for auxiliary frame workpiece of automobile chassis |
-
2013
- 2013-08-15 CN CN201320498280.4U patent/CN203471084U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103418856A (en) * | 2013-08-15 | 2013-12-04 | 重庆渝青机械配件制造有限公司 | Dual-piece hobbing fixture |
| CN103418856B (en) * | 2013-08-15 | 2016-06-29 | 重庆渝青机械配件制造有限公司 | Double-piece gear-hobbing clamp |
| CN103934515A (en) * | 2014-04-30 | 2014-07-23 | 泰州市兴华齿轮制造有限公司 | Hydraulic tensioning method for fixing gear |
| 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 |
| CN106735604A (en) * | 2016-11-18 | 2017-05-31 | 四川法斯特机械制造有限责任公司 | A kind of frock and application method that thin-walled hollow major axis is machined with vertical gear shaping |
| CN106825788A (en) * | 2017-04-07 | 2017-06-13 | 桂林福达齿轮有限公司 | A kind of driving wheel spring chuck of gear lapping |
| CN113909336A (en) * | 2020-07-08 | 2022-01-11 | 天津阿瑞斯工业炉有限公司 | Automatic calibration equipment and method for auxiliary frame workpiece of automobile chassis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: BAZHONG YUXIANG MACHINERY MANUFACTURING CO., LTD. Assignor: Chongqing Yuqing Machinery Manufacture Co., Ltd. Contract record no.: 2015510000067 Denomination of utility model: Dual-piece hobbing fixture Granted publication date: 20140312 License type: Exclusive License Record date: 20150610 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20160629 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20160629 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |