CN203140905U - Gear shaping tensioning fixture - Google Patents
Gear shaping tensioning fixture Download PDFInfo
- Publication number
- CN203140905U CN203140905U CN 201320127263 CN201320127263U CN203140905U CN 203140905 U CN203140905 U CN 203140905U CN 201320127263 CN201320127263 CN 201320127263 CN 201320127263 U CN201320127263 U CN 201320127263U CN 203140905 U CN203140905 U CN 203140905U
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- China
- Prior art keywords
- ringfeder
- processed
- gear shaping
- anchor clamps
- rise
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Abstract
The utility model discloses a gearing shaping tensioning fixture. The gearing shaping tensioning fixture comprises a screw, a taper shaft connected with the lower portion of the screw in a threaded mode and a tensioning sleeve which is sleeved outside the taper shaft. An outer gear ring to be machined is sleeved outside the tensioning sleeve. The tensioning sleeve is formed by a tensioning sleeve body and a tensioning sleeve base which are fixedly connected. The tensioning sleeve body is composed of 2-6 expanding ribs which are fixedly connected and coaxial with the tensioning sleeve base and equal to the tensioning sleeve body in diameter. An inner annular face of the tensioning sleeve body is matched with an outer cylindrical face of the taper shaft in a wedge-shaped mode. The wedge-shaped matching between the taper shaft and the tensioning sleeve is used for realizing tensioning and releasing of the outer gear ring to be machined when the taper shaft moves up and down, wherein the tensioning and the releasing of the outer gear ring are realized through the tensioning sleeve. Therefore, non-interference fit between the outer gear ring to be machined and the gear shaping fixture is guaranteed, end faces of the outer gear ring to be machined are compressed, the influences of gaps and end face run-out on product quality are eliminated, workpiece assembling and gear shaping fixture replacing are convenient, stability and percent of pass of the product quality are improved, and time consumed by auxiliary operations is reduced.
Description
Technical field
The utility model relates to a kind of gear shaping anchor clamps, is specifically related to a kind of gear shaping that makes things convenient for replacement of products heart anchor clamps that rise.
Background technology
At present, the slotting endoporus is that the external tooth of the external toothing of spline adopts the optical axis anchor clamps and the heart anchor clamps that rise more, wherein the optical axis anchor clamps as shown in Figure 1, comprise flange, the coaxial mandrel that is inserted in flange and the external toothing for the carrying external toothing, its clamping principle is: with internal spline centering, the location, external toothing lower surface of external toothing, and utilize nut to compress the upper surface of external toothing, Gear Shaping then.This optical axis clamp structure is simple, still for the external toothing of internal spline size difference (variation is about 0～0.2), needs to prepare the many mandrels that external diameter is different,, changes the clamp-replacing complexity with when the internal spline size changes.
Rise by heart anchor clamps as shown in Figure 2, comprise for the carrying external toothing flange, coaxial be inserted in the mandrel in flange and the external toothing and be located at mandrel and external toothing between the heart cover that rises, the described heart cover that rises is sheathed on the mandrel, its clamping principle is: the internal spline centering of tensioner external toothing, location, external toothing lower surface, Gear Shaping then.These heart anchor clamps that rise can solve the need that use the optical axis anchor clamps to exist are changed the various outer diameter mandrel according to different internal spline sizes problem, but, because the existence of external toothing lower end clamp face runout, the lower surface of external toothing and anchor clamps locating surface can't be adjacent to, external toothing tilts with respect to mandrel, so can produce frightened cutter phenomenon in the gear shaping process, the external toothing machined surface is coarse, the easy tipping of cutter, and serious wear.
Summary of the invention
The utility model purpose is that unstable product quality, the tooth runout used after the existing gear shaping anchor clamps processing are excessive, size is unstable in order to overcome, frightened cutter and change the deficiency of trouble, a kind of gear shaping heart anchor clamps that rise are provided, improve machining accuracy and the working (machining) efficiency of product, change easily and fast.
For achieving the above object, the technical solution adopted in the utility model is: a kind of gear shaping heart anchor clamps that rise, comprise screw rod, be bolted in this screw rod below the tapering axle, be sheathed on the ringfeder in this tapering axle outside, external toothing to be processed is sheathed on the outside of this ringfeder;
Described screw rod is made of epimere bar portion, stage casing boss and hypomere bar portion, and described hypomere bar portion is provided with the external screw thread that is spirally connected with described tapering axle, and the end that is exposed to described external toothing to be processed top of described epimere bar portion is provided with nut;
Described ringfeder is connected by ringfeder body and ringfeder base and forms, described ringfeder body is connected with described ringfeder base by 2～6, coaxial expansion muscle with the footpath constitutes, the outer cylinder wedge-like engagement of the inner ring surface of described ringfeder body and described tapering axle, the inboard, upper end of described ringfeder body is provided with inwardly outstanding ringfeder boss, and this ringfeder boss is located at the top of described stage casing boss, the upper end of being located at described ringfeder base is pressed in the lower end of described external toothing to be processed, and the lower end of described ringfeder base is fixed with flange;
Described tapering axle is connected by diminished shaft and d-axis and forms, and described diminished shaft is provided with the internal thread that is spirally connected with described hypomere bar portion, and the outer cylinder of described diminished shaft is taper surface, and described d-axis utilizes antirotation keys to constitute key with described flange to be connected.
In the technique scheme, the lower end of the d-axis of described tapering axle is provided with the threaded portion, can be used under the situation of hydraulics being connected with hydraulic connecting rod having, and reduces labor strength.
In the technique scheme, be provided with pad between the upper end of the lower end of described external toothing to be processed and described ringfeder base, this pad is fixed on the upper end of described ringfeder base, fits in the lower surface of described external toothing to be processed and the upper surface of this pad.
In the technique scheme, be provided with pressure pad between described nut and the described external toothing to be processed.
In the technique scheme, the epimere bar portion of described screw rod is polished rod.
Preferably, described screw rod is processed by epimere bar portion, stage casing boss and hypomere bar portion one.
Described ringfeder is processed by ringfeder body and ringfeder base one, and described ringfeder body is connected with described ringfeder base by 6, coaxial expansion muscle with the footpath constitutes.
Described tapering axle is processed by diminished shaft and d-axis one.
Further technical scheme, the lower end of the d-axis of described tapering axle is provided with internal thread part.
In the technique scheme, the upper end of described flange is provided with cavity, and the lower end of described ringfeder base is inserted in this cavity, and the bottom of described cavity is provided with packing ring.
Operation principle of the present utility model is as follows:
Utilize interlock and restriction relation between ringfeder, screw rod and the tapering axle three, rotary screw drives tapering and axially goes up the mobile internal spline that ringfeder is tightened external toothing to be processed that struts during external toothing clamping to be processed, utilize nut and pressure pad to compress the upper surface of external toothing to be processed simultaneously, both guaranteed that the rise no gap of heart anchor clamps of splined hole and gear shaping cooperated, again workpiece pressing;
After external toothing gear shaping to be processed is finished, oppositely unclamp screw rod, utilize the effect of screw thread that the tapering axle is oppositely mobile, ringfeder inwardly shrinks and can easily take out until external toothing to be processed, and work-handling is easily and fast.
Because technique scheme is used, the advantage that the utility model compared with prior art has is:
1. the utility model utilizes the wedge-like engagement between tapering axle and the ringfeder, when the moving up and down of tapering axle, realize ringfeder to the tensioner of external toothing to be processed with loosen, guaranteed that namely external toothing to be processed and the no gap of gear shaping anchor clamps cooperate and compress the end face of external toothing to be processed, gap and end face run-out have been eliminated to the influence of product quality, the loading and unloading of workpiece and gear shaping clamp-replacing are convenient, the stability of improving the quality of products and qualification rate reduce non-cutting time.
2. at interior hole dimension difference, the product that length is different, when changing gear shaping described in the utility model and rising by heart anchor clamps, as long as change ringfeder and screw rod, replacing speed is fast, the precision height.
Description of drawings
Fig. 1 is the structural representation of optical axis anchor clamps in the background technology;
Fig. 2 is the structural representation of heart anchor clamps of rising in the background technology
Fig. 3 is the structural representation of the utility model embodiment one;
Fig. 4 is the front view of external toothing to be processed among the embodiment one;
Fig. 5 is the front view of screw rod among the embodiment one;
Fig. 6 is the front view of ringfeder among the embodiment one;
Fig. 7 is the left view of ringfeder among the embodiment one;
Fig. 8 is the front view of tapering axle among the embodiment one;
Fig. 9 is the front view of flange among the embodiment one;
Figure 10 is the front view of pressure pad among the embodiment one;
Wherein: 1, nut; 4, pressure pad; 5, screw rod; 50, epimere bar portion; 51, stage casing boss; 52, hypomere bar portion; 6, external toothing to be processed; 7, ringfeder; 70, ringfeder body; 71, ringfeder base; 72, ringfeder boss; 8, tapering axle; 80, diminished shaft; 81, d-axis; 9, pad; 11, packing ring; 12, flange; 13, antirotation keys.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment one: shown in Fig. 3,4, a kind of gear shaping heart anchor clamps that rise, clamping location when being used for gear ring 6 gear shapings to be processed, this gear shaping rise heart anchor clamps comprise screw rod 5, be bolted in these screw rod 5 belows tapering axle 8, be sheathed on the ringfeder 7 in these tapering axle 8 outsides, external toothing 6 to be processed is sheathed on the outside of this ringfeder 7.
As shown in Figure 5, described screw rod 5 is processed by epimere bar portion 50, stage casing boss 51 and hypomere bar portion 52 one, described epimere bar portion 50 is polished rod, described hypomere bar portion 52 is provided with the external screw thread that is spirally connected with described tapering axle 8, and the end that is exposed to described external toothing to be processed 6 tops of described epimere bar portion 50 is bolted with nut 1.
Be provided with pressure pad 4 between described nut 1 and the described external toothing to be processed 6, its structure such as Figure 10, pressure pad 4 is provided with U-shaped opening.
As Fig. 6, shown in 7, described ringfeder 7 is processed by ringfeder body 70 and ringfeder base 71 one, described ringfeder body 70 is connected with described ringfeder base 71 by 6, coaxial expansion muscle with the footpath constitutes, the outer cylinder wedge-like engagement of the inner ring surface of described ringfeder body 70 and described tapering axle 8, the inboard, upper end of described ringfeder body 70 is provided with inwardly outstanding ringfeder boss 72, and this ringfeder boss 72 is located at the top of described stage casing boss 51, the upper end of being located at described ringfeder base 71 is pressed in the lower end of described external toothing to be processed 6, and the lower end of described ringfeder base 71 is fixed with flange 12.
Shown in Fig. 1,9, the upper end of described flange 12 is provided with cavity, and the lower end of described ringfeder base 71 is inserted in this cavity, and the bottom of described cavity is provided with packing ring 11.
As shown in Figure 8, described tapering axle 8 is processed by diminished shaft 80 and d-axis 81 one, described diminished shaft 80 is provided with the internal thread that is spirally connected with described hypomere bar portion 52, and the outer cylinder of described diminished shaft 80 is taper surface, and described d-axis 81 utilizes antirotation keys 13 to constitute keys with described flange 12 to be connected.
The lower end of the d-axis 81 of described tapering axle 8 is provided with internal thread part, can be used under the situation of hydraulics being connected with hydraulic connecting rod having, and reduces labor strength.
Be provided with pad 9 between the upper end of the lower end of described external toothing to be processed 6 and described ringfeder base 71, this pad 9 is fixed on the upper end of described ringfeder base 71, fits in the upper surface of the lower surface of described external toothing 6 to be processed and this pad 9.
Operation principle of the present utility model is as follows:
Utilize interlock and restriction relation between ringfeder, screw rod and the tapering axle three, rotary screw drives tapering and axially goes up the mobile internal spline that ringfeder is tightened external toothing to be processed that struts during external toothing clamping to be processed, utilize nut and pressure pad to compress the upper surface of external toothing to be processed simultaneously, both guaranteed that the rise no gap of heart anchor clamps of splined hole and gear shaping cooperated, again workpiece pressing;
After external toothing gear shaping to be processed is finished, oppositely unclamp screw rod, utilize the effect of screw thread that the tapering axle is oppositely mobile, ringfeder inwardly shrinks and can easily take out until external toothing to be processed, and work-handling is easily and fast.
The utility model utilizes the wedge-like engagement between tapering axle and the ringfeder, when the moving up and down of tapering axle, realize ringfeder to the tensioner of external toothing to be processed with loosen, guaranteed that namely external toothing to be processed and the no gap of gear shaping anchor clamps cooperate and compress the end face of external toothing to be processed, gap and end face run-out have been eliminated to the influence of product quality, the loading and unloading of workpiece and gear shaping clamp-replacing are convenient, the stability of improving the quality of products and qualification rate reduce non-cutting time.
The above is preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. gear shaping heart anchor clamps that rise is characterized in that, comprise screw rod (5), be bolted in this screw rod (5) below tapering axle (8), be sheathed on the ringfeder (7) in this tapering axle (8) outside, external toothing to be processed (6) is sheathed on the outside of this ringfeder (7);
Described screw rod (5) is made of epimere bar portion (50), stage casing boss (51) and hypomere bar portion (52), described hypomere bar portion (52) is provided with the external screw thread that is spirally connected with described tapering axle (8), and the end that is exposed to described external toothing to be processed (6) top of described epimere bar portion (50) is provided with nut (1);
Described ringfeder (7) is connected by ringfeder body (70) and ringfeder base (71) and forms, described ringfeder body (70) is connected with described ringfeder base (71) by 2～6, coaxial expansion muscle with the footpath constitutes, the outer cylinder wedge-like engagement of the inner ring surface of described ringfeder body (70) and described tapering axle (8), the inboard, upper end of described ringfeder body (70) is provided with inwardly outstanding ringfeder boss (72), and this ringfeder boss (72) is located at the top of described stage casing boss (51), the upper end of being located at described ringfeder base (71) is pressed in the lower end of described external toothing to be processed (6), and the lower end of described ringfeder base (71) is fixed with flange (12);
Described tapering axle (8) is connected by diminished shaft (80) and d-axis (81) and forms, described diminished shaft (80) is provided with the internal thread that is spirally connected with described hypomere bar portion (52), the outer cylinder of described diminished shaft (80) is taper surface, and described d-axis (81) utilizes antirotation keys (13) formation key to be connected with described flange (12).
2. the gear shaping according to claim 1 heart anchor clamps that rise is characterized in that the lower end of the d-axis (81) of described tapering axle (8) is provided with the threaded portion.
3. gear shaping according to claim 1 heart anchor clamps that rise, it is characterized in that, be provided with pad (9) between the upper end of the lower end of described external toothing to be processed (6) and described ringfeder base (71), this pad (9) is fixed on the upper end of described ringfeder base (71), fits in the upper surface of the lower surface of described external toothing to be processed (6) and this pad (9).
4. the gear shaping according to claim 1 heart anchor clamps that rise is characterized in that, are provided with pressure pad (4) between described nut (1) and the described external toothing to be processed (6).
5. the gear shaping according to claim 1 heart anchor clamps that rise is characterized in that the epimere bar portion (50) of described screw rod (5) is polished rod.
6. the gear shaping according to claim 1 heart anchor clamps that rise is characterized in that described screw rod (5) is processed by epimere bar portion (50), stage casing boss (51) and hypomere bar portion (52) one.
7. gear shaping according to claim 1 heart anchor clamps that rise, it is characterized in that, described ringfeder (7) is processed by ringfeder body (70) and ringfeder base (71) one, and described ringfeder body (70) is connected with described ringfeder base (71) by 6, coaxial expansion muscle with the footpath constitutes.
8. the gear shaping according to claim 1 heart anchor clamps that rise is characterized in that described tapering axle (8) is processed by diminished shaft (80) and d-axis (81) one.
9. the gear shaping according to claim 2 heart anchor clamps that rise is characterized in that the lower end of the d-axis (81) of described tapering axle (8) is provided with internal thread part.
10. the gear shaping according to claim 1 heart anchor clamps that rise is characterized in that the upper end of described flange (12) is provided with cavity, and the lower end of described ringfeder base (71) is inserted in this cavity, and the bottom of described cavity is provided with packing ring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320127263 CN203140905U (en) | 2013-03-20 | 2013-03-20 | Gear shaping tensioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320127263 CN203140905U (en) | 2013-03-20 | 2013-03-20 | Gear shaping tensioning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203140905U true CN203140905U (en) | 2013-08-21 |
Family
ID=48968461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320127263 Expired - Fee Related CN203140905U (en) | 2013-03-20 | 2013-03-20 | Gear shaping tensioning fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203140905U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737372A (en) * | 2014-01-02 | 2014-04-23 | 无锡倍安杰机械科技有限公司 | Expansion sleeve linkage compression mechanism |
| CN104801785A (en) * | 2015-03-30 | 2015-07-29 | 江苏太平洋齿轮传动有限公司 | Radial positioning type external gear ring gear shaping clamp |
| 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 |
| CN112620985A (en) * | 2020-12-16 | 2021-04-09 | 大族激光科技产业集团股份有限公司 | Laser welding fixture and laser welding system |
-
2013
- 2013-03-20 CN CN 201320127263 patent/CN203140905U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737372A (en) * | 2014-01-02 | 2014-04-23 | 无锡倍安杰机械科技有限公司 | Expansion sleeve linkage compression mechanism |
| CN103737372B (en) * | 2014-01-02 | 2016-06-08 | 无锡倍安杰机械科技有限公司 | Expansion sleeve linkage compression mechanism |
| CN104801785A (en) * | 2015-03-30 | 2015-07-29 | 江苏太平洋齿轮传动有限公司 | Radial positioning type external gear ring gear shaping clamp |
| 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 |
| CN112620985A (en) * | 2020-12-16 | 2021-04-09 | 大族激光科技产业集团股份有限公司 | Laser welding fixture and laser welding system |
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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: TAIZHOU LIHUA GEAR MANUFACTURING CO., LTD. Free format text: FORMER NAME: TAIZHOU LIHUA GEAR FACTORY |
|
| CP03 | Change of name, title or address |
Address after: 225516 Jiangsu city in Taizhou Province town of Jiangyan District Lihuacun Huagang Patentee after: TAIZHOU LIHUA GEAR MANUFACTURING CO., LTD. Address before: 225516, Jiangsu, Jiangyan, Taizhou District, China Town, ship Road, China gear factory Patentee before: Taizhou City Li Hua Gear Factory |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20160320 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |