CN202479628U - Gear shaping tooling for positioning by utilizing reducing holes of workpiece - Google Patents
Gear shaping tooling for positioning by utilizing reducing holes of workpiece Download PDFInfo
- Publication number
- CN202479628U CN202479628U CN2012201160502U CN201220116050U CN202479628U CN 202479628 U CN202479628 U CN 202479628U CN 2012201160502 U CN2012201160502 U CN 2012201160502U CN 201220116050 U CN201220116050 U CN 201220116050U CN 202479628 U CN202479628 U CN 202479628U
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- mandrel
- tapered sleeve
- pressing plate
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Abstract
The utility model discloses a gear shaping tooling for positioning by utilizing reducing holes of a workpiece. The gear shaping tooling comprises a core shaft, a pressing plate guide sleeve, an inner-expanding conical sleeve, an expanding bush, a compression spring, a bolt and a pressing sleeve, wherein the upper part of the core shaft is a cone; the upper end surface of the core shaft is provided with a step hole with a cylindrical hole at the upper part and a thread hole at the lower part; the pressing plate guide sleeve is movably inserted into the cylindrical hole at the upper part of the core shaft; an inner hole of the inner-expanding conical sleeve is a conical hole matched with the cone at the upper part of the core shaft, and the inner-expanding conical sleeve is sheathed outside the cone at the upper part of the core shaft in a sliding manner; the outer cylindrical surface at the lower part of the expanding bush is matched with an inner hole at the lower part of the workpiece, the outer cylindrical surface at the upper part of the expanding bush is adaptive to an inner hole at the upper part of the workpiece, and the expanding bush is sheathed outside the inner-expanding conical sleeve; the compression spring is arranged at the bottom part of the cylindrical hole at the upper part of the core shaft; the bolt is inserted into an inner hole of the pressing plate guide sleeve and is in threaded connection into the thread hole at the lower part of the core shaft; and after the workpiece is sheathed outside the expanding bush, the lower end surface of the pressing sleeve abuts against the upper end surface of the workpiece.
Description
Technical field
The utility model relates to the anchor clamps in a kind of machine-building process, is specifically related to a kind of gear shaping frock of utilizing the different diameter hole location of workpiece.
Background technology
In machine industry, technologies such as gear hobbing, gear shaping, gear rolling are used in the processing of gear part always.It is the benchmark location that the gear shaping locate mode of lasso class workpiece generally all adopts the endoporus of tooth base and bottom surface.The locate mode of traditional gear shaping frock has:
1) adopt the periphery of mandrel and the benchmark inner hole surface of workpiece to locate with matched in clearance;
2) adopt the internal expansion type mandrel to cooperate the location with no gap with the benchmark inner hole surface of workpiece.
Adopt often low precision of first kind of locate mode, clamping workpiece is inconvenient, technical process efficient is low, and the location bore area of the workpiece that causes damaging, and the potential risk of locate failure is bigger;
Though adopt second kind of locate mode ratio of precision higher, clamping workpiece is also more convenient, because the positioning reference hole of workpiece is positioned at the bottom of workpiece; Adjacent with the benchmark of bottom surface, cause the axial length of positioning reference shorter, and the gear shaping position is positioned at the top of workpiece; Make the moment of gear shaping power and positioning and fixing power bigger; If adopt general pressing plate, thrust is unbalanced, in the gear shaping technical process owing to receive the effect of slotting tool cutting force; Make workpiece produce displacement and vibration easily, location and fastening inefficacy very risky.
Summary of the invention
The purpose of the utility model is in order to overcome the deficiency of prior art; A kind of gear shaping frock of utilizing the different diameter hole location of workpiece is provided, and it can guarantee the workpiece locating accuracy, makes workpiece rigidity in the gear shaping technical process good; Not yielding, thus gear shaping technical process efficient improved.
A kind of technical scheme that realizes above-mentioned purpose is: a kind of gear shaping frock of utilizing the different diameter hole location of workpiece, and be installed on the shaping machine and comprise mandrel, pressing plate fairlead, internal expanding tapered sleeve, spreading lining, compression spring, bolt and gland, wherein,
The bottom of said mandrel be with said shaping machine on the adaptive cylinder of workpiece installing hole; The middle part is a mounting plane; Top is for going up little cone down greatly; A up big and down small one-level step cylindrical hole coaxial with cone offered in the upper surface of this mandrel, and the lower cylindrical hole is a screwed hole;
Said pressing plate fairlead comprises that a pressing plate and is connected the fairlead on the pressing plate lower surface, and this fairlead is inserted in the top cylindrical hole of said mandrel movably;
The endoporus of said internal expanding tapered sleeve is the conical bore adaptive with the upper cone body of said mandrel; The outer surface of this internal expanding tapered sleeve is the face of cylinder; Axially offer some the straight troughs that are not communicated to the end on the wall of this internal expanding tapered sleeve, this internal expanding tapered sleeve is sleeved on outside the cone on said mandrel top slidably;
The external cylindrical surface of the endoporus of said spreading lining and said internal expanding tapered sleeve is adaptive; The outer surface of this spreading lining is the reducing face of cylinder; And the bottom external cylindrical surface of spreading lining and the bottom endoporus of workpiece are adaptive; The top external cylindrical surface of spreading lining and the top endoporus of workpiece are adaptive, also axially offer some the straight troughs that are not communicated to the end on the wall of this spreading lining, and this spreading lining is sleeved on outside the said internal expanding tapered sleeve;
Said compression spring is placed on the bottom of the top cylindrical hole of said mandrel;
The bottom of said bolt is inserted in movably in the endoporus of said pressing plate fairlead and is connected in the lower thread hole of said mandrel passing said compression spring rear thread;
Said gland is that a perforation is offered in inverted U-shaped structure and upper surface; After outside said workpiece is sleeved on said spreading lining, said gland is installed on the said bolt and through a packing ring and clamp nut the lower surface of gland is pressed on the upper surface of said workpiece.
The gear shaping frock of the above-mentioned different diameter hole location that utilizes workpiece, wherein, said packing ring is an open washer.
The gear shaping frock of the above-mentioned different diameter hole location that utilizes workpiece, wherein, the middle and upper part of said bolt has hex nut.
The technical scheme of the gear shaping frock of the different diameter hole location that utilizes workpiece of the utility model, adopt internal expanding tapered sleeve and internal expanding cylindrical sleeve and with the location, two places, main and auxiliary hole of workpiece, have accurate fairlead to locate during internal expanding; Under responsive to axial force, can guarantee that inner expanding force is balanced, location, main and auxiliary hole and axial location are firmly, reliably; Guaranteed the rigidity in workpiece positioning accuracy and the gear shaping technical process, not yielding, this frock clamps conveniently; Accurate positioning, thus the efficient of gear shaping technical process improved.
Description of drawings
Fig. 1 is the structural representation of the gear shaping frock of the different diameter hole location that utilizes workpiece of the utility model.
The specific embodiment
In order to understand the technical scheme of the utility model better, below through concrete embodiment and combine accompanying drawing at length to explain:
See also Fig. 1, the utility model is a kind of to utilize the gear shaping frock of the different diameter hole location of workpiece, and be installed on the shaping machine and comprise mandrel 1, pressing plate fairlead 2, internal expanding tapered sleeve 3, spreading lining 4, compression spring 5, bolt 6 and gland 7, wherein:
The bottom of mandrel 1 be with shaping machine on the adaptive cylinder of workpiece installing hole; The middle part is a mounting plane; Little cone for down big in top, and a up big and down small one-level step cylindrical hole coaxial with cone offered in the upper surface of this mandrel 1, and lower cylindrical hole 12 is a screwed hole;
Pressing plate fairlead 2 comprises that a pressing plate and is connected the fairlead on the pressing plate lower surface, and this fairlead is inserted in the top cylindrical hole 11 of mandrel 1 movably;
The endoporus of internal expanding tapered sleeve 3 is the conical bore adaptive with the upper cone body of mandrel 1; The outer surface of this internal expanding tapered sleeve 3 is the face of cylinder; Axially offer some the straight troughs that are not communicated to the end on the wall of this internal expanding tapered sleeve 3, this internal expanding tapered sleeve 3 is sleeved on outside the cone on mandrel 1 top slidably;
The external cylindrical surface of the endoporus of spreading lining 4 and internal expanding tapered sleeve 3 is adaptive; The outer surface of this spreading lining 4 is the reducing face of cylinder; And the bottom external cylindrical surface of spreading lining 4 and the bottom endoporus of workpiece 10 are adaptive; The top external cylindrical surface of spreading lining 4 and the top endoporus of workpiece 10 are adaptive, also axially offer some the straight troughs that are not communicated to the end on the wall of this spreading lining 4, and this spreading lining 4 is sleeved on outside the internal expanding tapered sleeve 3;
Compression spring 5 is placed on the bottom of the top cylindrical hole 11 of mandrel 1;
The middle and upper part of bolt 6 has hex nut 60; The bottom of this bolt 6 is inserted in movably in the endoporus of pressing plate fairlead 2 and is connected in the lower thread hole 12 of mandrel 1 passing compression spring 5 rear threads, makes hex nut 60 on the bolt 6 be positioned at the pressing plate upper end of pressing plate fairlead 2;
Gland 7 is offered a perforation for inverted U-shaped structure and upper surface, outside workpiece 10 is sleeved on spreading lining 4 after, gland 7 is sleeved on the bolt 6 and through an open washer 8 and clamp nut 9 lower surface of gland 7 is pressed on the upper surface of workpiece 10.
After workpiece 10 is in place,, forces pressing plate fairlead 2 to overcome the elastic force of compression spring 5 and move down and drive internal expanding tapered sleeve 3 and also move down through the hex nut on the swivel bolt 6 60; The external diameter of internal expanding tapered sleeve 3 is risen greatly, and make the internal diameter of spreading lining 4 also rise by completion greatly simultaneously to the radial location of workpiece 10, at this moment; The bottom external cylindrical surface of spreading lining 4 cooperates with the bottom endoporus of workpiece 10; As the main aperture location, the top external cylindrical surface of spreading lining 4 cooperates with the top endoporus of workpiece 10, as location, auxilliary hole; Compress gland 7 through clamp nut 9 again, guarantee that the axial location of workpiece 10 is reliable.
The gear shaping frock of the different diameter hole location that utilizes workpiece of the utility model is unclamped clamp nut 9 in use, takes off open washer 8; Shed gland 7; Unclamp bolt 6, pressing plate fairlead 2 moves up under the effect of compression spring 5 automatically, and internal expanding tapered sleeve 3 moves up simultaneously automatically; The external diameter of internal expanding tapered sleeve 3 diminishes automatically, and the interior external diameter of the spreading lining 4 that thereupon cooperates with the external diameter of internal expanding tapered sleeve 3 also diminishes simultaneously.This moment, endoporus and spreading lining 4 external diameters major-minor of workpiece 10 cooperated existing gap greatly, and workpiece 10 can take out easily.Refill workpiece 10 after the cleaning frock, the bolt 6 of screwing makes pressing plate fairlead 2 move down compressing internal expanding tapered sleeve 3 and moves down; External diameter rises greatly; The internal diameter of spreading lining 4 rises greatly simultaneously, until the workpiece firm position, installs gland 7 and open washer 8 clamp nuts 9 again additional; Accomplish clamping workpiece, can carry out gear shaping.
The gear shaping frock of the different diameter hole location that utilizes workpiece of the utility model is located accurately and convenient mounting and clamping, solid and reliable, thereby has guaranteed the precision and the specification requirement of gear shaping technology, has improved the efficient of gear shaping technical process.
Those of ordinary skill in the art will be appreciated that; Above embodiment is used for explaining the utility model; And be not the qualification that is used as the utility model; As long as in the connotation scope of the utility model, all will drop in claims scope of the utility model variation, the modification of the above embodiment.
Claims (3)
1. the gear shaping frock of a different diameter hole location that utilizes workpiece is installed on the shaping machine and comprises mandrel, pressing plate fairlead, internal expanding tapered sleeve, spreading lining, compression spring, bolt and gland, it is characterized in that,
The bottom of said mandrel be with said shaping machine on the adaptive cylinder of workpiece installing hole; The middle part is a mounting plane; Top is for going up little cone down greatly; A up big and down small one-level step cylindrical hole coaxial with cone offered in the upper surface of this mandrel, and the lower cylindrical hole is a screwed hole;
Said pressing plate fairlead comprises that a pressing plate and is connected the fairlead on the pressing plate lower surface, and this fairlead is inserted in the top cylindrical hole of said mandrel movably;
The endoporus of said internal expanding tapered sleeve is the conical bore adaptive with the upper cone body of said mandrel; The outer surface of this internal expanding tapered sleeve is the face of cylinder; Axially offer some the straight troughs that are not communicated to the end on the wall of this internal expanding tapered sleeve, this internal expanding tapered sleeve is sleeved on outside the cone on said mandrel top slidably;
The external cylindrical surface of the endoporus of said spreading lining and said internal expanding tapered sleeve is adaptive; The outer surface of this spreading lining is the reducing face of cylinder; And the bottom external cylindrical surface of spreading lining and the bottom endoporus of workpiece are adaptive; The top external cylindrical surface of spreading lining and the top endoporus of workpiece are adaptive, also axially offer some the straight troughs that are not communicated to the end on the wall of this spreading lining, and this spreading lining is sleeved on outside the said internal expanding tapered sleeve;
Said compression spring is placed on the bottom of the top cylindrical hole of said mandrel;
The bottom of said bolt is inserted in movably in the endoporus of said pressing plate fairlead and is connected in the lower thread hole of said mandrel passing said compression spring rear thread;
Said gland is that a perforation is offered in inverted U-shaped structure and upper surface; After outside said workpiece is sleeved on said spreading lining, said gland is installed on the said bolt and through a packing ring and clamp nut the lower surface of gland is pressed on the upper surface of said workpiece.
2. the gear shaping frock of utilizing the different diameter hole location of workpiece according to claim 1 is characterized in that said packing ring is an open washer.
3. the gear shaping frock of utilizing the different diameter hole location of workpiece according to claim 1 is characterized in that the middle and upper part of said bolt has hex nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201160502U CN202479628U (en) | 2012-03-23 | 2012-03-23 | Gear shaping tooling for positioning by utilizing reducing holes of workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201160502U CN202479628U (en) | 2012-03-23 | 2012-03-23 | Gear shaping tooling for positioning by utilizing reducing holes of workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202479628U true CN202479628U (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201160502U Expired - Fee Related CN202479628U (en) | 2012-03-23 | 2012-03-23 | Gear shaping tooling for positioning by utilizing reducing holes of workpiece |
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| CN (1) | CN202479628U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143792A (en) * | 2013-04-01 | 2013-06-12 | 重庆永达精密机械有限公司 | Shaving fixture |
| 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 |
| CN103170684A (en) * | 2013-04-12 | 2013-06-26 | 柳州正菱重型数控机床有限公司 | Hobbing clamp |
| 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 |
| CN104400144A (en) * | 2014-10-30 | 2015-03-11 | 周卫荣 | Fixture of cylindrical shaving core shaft with shoulder |
| CN105382587A (en) * | 2015-12-18 | 2016-03-09 | 天津天海同步科技有限公司 | Self-centering milling die |
| CN106041227A (en) * | 2016-08-02 | 2016-10-26 | 盛瑞传动股份有限公司 | Gear hobbing clamp for large-hole-diameter gear ring |
| 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 |
| CN112496371A (en) * | 2020-10-30 | 2021-03-16 | 广西玉柴机器股份有限公司 | Expansion backspacing type positioning mandrel assembly |
| CN113500432A (en) * | 2021-09-10 | 2021-10-15 | 爱柯迪股份有限公司 | Clamp body positioning mechanism suitable for turning and milling combined machining center |
| CN116141235A (en) * | 2023-04-18 | 2023-05-23 | 宁波优耐特模具有限公司 | Internal positioning device for aluminum die-casting workpiece with peripheral side wall |
-
2012
- 2012-03-23 CN CN2012201160502U patent/CN202479628U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143792A (en) * | 2013-04-01 | 2013-06-12 | 重庆永达精密机械有限公司 | Shaving fixture |
| 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 |
| CN103170684A (en) * | 2013-04-12 | 2013-06-26 | 柳州正菱重型数控机床有限公司 | Hobbing clamp |
| 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 |
| 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 |
| CN104400144A (en) * | 2014-10-30 | 2015-03-11 | 周卫荣 | Fixture of cylindrical shaving core shaft with shoulder |
| CN105382587A (en) * | 2015-12-18 | 2016-03-09 | 天津天海同步科技有限公司 | Self-centering milling die |
| CN106041227A (en) * | 2016-08-02 | 2016-10-26 | 盛瑞传动股份有限公司 | Gear hobbing clamp for large-hole-diameter gear ring |
| 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 |
| CN112496371A (en) * | 2020-10-30 | 2021-03-16 | 广西玉柴机器股份有限公司 | Expansion backspacing type positioning mandrel assembly |
| CN112496371B (en) * | 2020-10-30 | 2024-04-09 | 广西玉柴机器股份有限公司 | Expansion and rollback type positioning mandrel assembly |
| CN113500432A (en) * | 2021-09-10 | 2021-10-15 | 爱柯迪股份有限公司 | Clamp body positioning mechanism suitable for turning and milling combined machining center |
| CN116141235A (en) * | 2023-04-18 | 2023-05-23 | 宁波优耐特模具有限公司 | Internal positioning device for aluminum die-casting workpiece with peripheral side wall |
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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 |
Owner name: SHANGHAI FEIHUA INDUSTRY CO., LTD. Free format text: FORMER NAME: FEIHUA AUTOMOTIVE PARTS CO., LTD., SHANGHAI |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Jiading District Xuhang town 201808 Shanghai city a new road No. 2288 Patentee after: SHANGHAI FEIHUA AUTOPARTS CORPORATION Address before: Jiading District Xuhang town 201808 Shanghai city a new road No. 2288 Patentee before: Feihua Automotive Parts Co., Ltd., Shanghai |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20210323 |