CN104057158A - Gear shaping and expanding fixture - Google Patents

Gear shaping and expanding fixture Download PDF

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Publication number
CN104057158A
CN104057158A CN201310089401.4A CN201310089401A CN104057158A CN 104057158 A CN104057158 A CN 104057158A CN 201310089401 A CN201310089401 A CN 201310089401A CN 104057158 A CN104057158 A CN 104057158A
Authority
CN
China
Prior art keywords
ringfeder
processed
gear shaping
base
external toothing
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.)
Pending
Application number
CN201310089401.4A
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Chinese (zh)
Inventor
宋森林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taizhou City Li Hua Gear Factory
Original Assignee
Taizhou City Li Hua Gear Factory
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Taizhou City Li Hua Gear Factory filed Critical Taizhou City Li Hua Gear Factory
Priority to CN201310089401.4A priority Critical patent/CN104057158A/en
Publication of CN104057158A publication Critical patent/CN104057158A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a gear shaping and expanding fixture which comprises a screw rod, a taper shaft screwed with the lower part of the screw rod and an expansion sleeve arranged on the outer side of the taper shaft in a sleeving manner, wherein a to-be-processed outer gear ring is arranged on the outer side of the expansion sleeve in a sleeving manner; and the expansion sleeve is formed by fixedly connecting an expansion sleeve body and an expansion sleeve base, the expansion sleeve body comprises 2-6 expansion ribs which are fixedly connected with the expansion sleeve base, are coaxial and have the same diameter, and an inner ring surface of the expansion sleeve is in wedged matching with an outer cylindrical surface of the taper shaft. According to the gear shaping and expanding fixture, through the wedged matching between the taper shaft and the expansion sleeve, the expansion sleeve expands and loosens the to-be-processed outer gear ring when the taper shaft moves up and down, that is, the zero clearance fit between the to-be-processed outer gear ring and the gear shaping fixture is guaranteed, the end surface of the to-be-processed outer gear ring is pressed tightly, the influence of clearance and end surface run-out on the product quality is eliminated, accordingly, a workpiece is convenient to load and unload, the gear shaping fixture is convenient to replace, the stability of the product quality and the qualified rate are improved, and the auxiliary time is shortened.

Description

The gear shaping heart fixture that rises
Technical field
The present invention relates to a kind of gear-shaping clamp, be specifically related to a kind of gear shaping that facilitates replacement of products heart fixture that rises.
Background technology
At present, slotting endoporus is that the external tooth of the external toothing of spline adopts optical axis fixture and the heart fixture that rises more, wherein optical axis fixture as shown in Figure 1, comprise for carrying the flange of external toothing, being coaxially inserted in the mandrel in flange and 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, then Gear Shaping.This optical axis clamp structure is simple, still, for the external toothing of internal spline size different (variation is in 0~0.2 left and right), need to prepare the many mandrels that external diameter is different, with when internal spline size changes, changes, and clamp-replacing is complicated.
Rise by heart fixture as shown in Figure 2, comprise for carry the flange of external toothing, be coaxially inserted in the mandrel in flange and 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 mandrel, its clamping principle is: the internal spline centering of tensioner external toothing, location, external toothing lower surface, then Gear Shaping.This heart fixture that rises can solve use that optical axis fixture exists need change according to different internal spline sizes the problem of various outer diameter mandrel, but, existence due to external toothing lower end clamp face runout, the lower surface of external toothing and fixture locating surface cannot be adjacent to, external toothing tilts with respect to mandrel, so can produce frightened cutter phenomenon in gear shaping process, external toothing machined surface is coarse, the easy tipping of cutter, and serious wear.
Summary of the invention
The present invention seeks to that unstable product quality, the tooth runout used after existing gear-shaping clamp processing are excessive, size is unstable in order to overcome, frightened cutter and change the deficiency of trouble, a kind of gear shaping heart fixture that rises is provided, improve machining accuracy and the working (machining) efficiency of product, change easily and fast.
For achieving the above object, the technical solution used in the present invention is: a kind of gear shaping heart fixture that rises, comprise screw rod, be bolted in this screw rod below taper shaft, be sheathed on the ringfeder in this taper shaft outside, external toothing to be processed is sheathed on the outside of this ringfeder;
Described screw rod consists of epimere bar portion, stage casing boss and hypomere bar portion, and described hypomere bar portion is provided with the external screw thread being spirally connected with described taper shaft, 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 and is formed by ringfeder body and ringfeder base, described ringfeder body is connected with described ringfeder base by 2~6, the expansion muscle in coaxial same footpath forms, the outer cylinder wedge-like engagement of the inner ring surface of described ringfeder body and described taper shaft, the inner side, 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 lower end of described external toothing to be processed is installed with in the upper end of described ringfeder base, and the lower end of described ringfeder base is fixed with flange;
Described taper shaft is connected and is formed by diminished shaft and d-axis, and described diminished shaft is provided with the internal thread being 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 form key with described flange to be connected.
In technique scheme, the lower end of the d-axis of described taper shaft is provided with threaded portion, can be used for being connected with hydraulic connecting rod having under the situation of hydraulics, reduces labor strength.
In technique scheme, between the lower end of described external toothing to be processed and the upper end of described ringfeder base, be provided with pad, this pad is fixed on the upper end of described ringfeder base, the lower surface of described external toothing to be processed and the laminating of the upper surface of this pad.
In technique scheme, between described nut and described external toothing to be processed, be provided with pressure pad.
In 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, the expansion muscle in coaxial same footpath forms.
Described taper shaft is processed by diminished shaft and d-axis one.
Further technical scheme, the lower end of the d-axis of described taper shaft is provided with internal thread part.
In 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 invention is as follows:
Utilize interlock and restriction relation between ringfeder, screw rod and taper shaft three, during external toothing clamping to be processed, rotary screw drives taper shaft to move up and struts the internal spline that ringfeder is tightened external toothing 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 gapless of heart fixture of splined hole and gear shaping coordinated, again workpiece pressing;
After external toothing gear shaping to be processed completes, oppositely unclamp screw rod, utilize the effect of screw thread that taper shaft is oppositely moved, ringfeder inwardly shrinks until external toothing to be processed can easily take out, and work-handling is easily and fast.
Because technique scheme is used, the present invention compared with prior art has following advantages:
1. the present invention utilizes the wedge-like engagement between taper shaft and ringfeder, when the moving up and down of taper shaft, realize ringfeder to the tensioner of external toothing to be processed with loosen, guaranteed that external toothing to be processed and the gapless of gear-shaping clamp coordinate and compress the end face of external toothing to be processed, eliminated the impact on product quality of gap and end face run-out, the handling of workpiece and gear-shaping clamp are changed convenient, the stability of improving the quality of products and qualification rate, reduce non-cutting time.
2. different for interior hole dimension, the product that length is different, when changing gear shaping of the present invention and rising by heart fixture, as long as change ringfeder and screw rod, replacing speed is fast, and precision is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of optical axis fixture in background technology;
Fig. 2 is the structural representation of heart fixture of rising in background technology
Fig. 3 is the structural representation of the embodiment of the present invention one;
Fig. 4 is the front view of external toothing to be processed in embodiment mono-;
Fig. 5 is the front view of screw rod in embodiment mono-;
Fig. 6 is the front view of ringfeder in embodiment mono-;
Fig. 7 is the left view of ringfeder in embodiment mono-;
Fig. 8 is the front view of taper shaft in embodiment mono-;
Fig. 9 is the front view of flange in embodiment mono-;
Figure 10 is the front view of pressure pad in embodiment mono-;
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, taper shaft; 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 invention will be further described:
Embodiment mono-: shown in Fig. 3,4, a kind of gear shaping heart fixture that rises, clamping position during for gear ring 6 gear shaping to be processed, this gear shaping rise heart fixture comprise screw rod 5, be bolted in these screw rod 5 belows taper shaft 8, be sheathed on the ringfeder 7 in these taper shaft 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 being spirally connected with described taper shaft 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.
Between described nut 1 and described external toothing to be processed 6, be provided with pressure pad 4, its structure is as Figure 10, and 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, coaxially the expansion muscle with footpath forms, the outer cylinder wedge-like engagement of the inner ring surface of described ringfeder body 70 and described taper shaft 8, the inner side, 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 lower end of described external toothing to be processed 6 is installed with in the upper end of described ringfeder base 71, the lower end of described ringfeder base 71 is fixed with flange 12.
As 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 taper shaft 8 is processed by diminished shaft 80 and d-axis 81 one, described diminished shaft 80 is provided with the internal thread being 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 form keys with described flange 12 to be connected.
The lower end of the d-axis 81 of described taper shaft 8 is provided with internal thread part, can be used for being connected with hydraulic connecting rod having under the situation of hydraulics, reduces labor strength.
Between the upper end of the lower end of described external toothing to be processed 6 and described ringfeder base 71, be provided with pad 9, this pad 9 is fixed on the upper end of described ringfeder base 71, the upper surface laminating of the lower surface of described external toothing 6 to be processed and this pad 9.
Operation principle of the present invention is as follows:
Utilize interlock and restriction relation between ringfeder, screw rod and taper shaft three, during external toothing clamping to be processed, rotary screw drives taper shaft to move up and struts the internal spline that ringfeder is tightened external toothing 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 gapless of heart fixture of splined hole and gear shaping coordinated, again workpiece pressing;
After external toothing gear shaping to be processed completes, oppositely unclamp screw rod, utilize the effect of screw thread that taper shaft is oppositely moved, ringfeder inwardly shrinks until external toothing to be processed can easily take out, and work-handling is easily and fast.
The present invention utilizes the wedge-like engagement between taper shaft and ringfeder, when the moving up and down of taper shaft, realize ringfeder to the tensioner of external toothing to be processed with loosen, guaranteed that external toothing to be processed and the gapless of gear-shaping clamp coordinate and compress the end face of external toothing to be processed, eliminated the impact on product quality of gap and end face run-out, the handling of workpiece and gear-shaping clamp are changed convenient, the stability of improving the quality of products and qualification rate, reduce non-cutting time.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (10)

1. the gear shaping heart fixture that rises, it is characterized in that, comprise screw rod (5), be bolted in this screw rod (5) below taper shaft (8), be sheathed on the ringfeder (7) in this taper shaft (8) outside, external toothing to be processed (6) is sheathed on the outside of this ringfeder (7);
Described screw rod (5) consists 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 being spirally connected with described taper shaft (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 and is formed by ringfeder body (70) and ringfeder base (71), described ringfeder body (70) is connected with described ringfeder base (71) by 2~6, coaxially the expansion muscle with footpath forms, the outer cylinder wedge-like engagement of the inner ring surface of described ringfeder body (70) and described taper shaft (8), the inner side, 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 lower end of described external toothing to be processed (6) is installed with in the upper end of described ringfeder base (71), the lower end of described ringfeder base (71) is fixed with flange (12),
Described taper shaft (8) is connected and is formed by diminished shaft (80) and d-axis (81), described diminished shaft (80) is provided with the internal thread being 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 fixture that rises, is characterized in that, the lower end of the d-axis (81) of described taper shaft (8) is provided with threaded portion.
3. the gear shaping according to claim 1 heart fixture that rises, it is characterized in that, between the upper end of the lower end of described external toothing to be processed (6) and described ringfeder base (71), be provided with pad (9), this pad (9) is fixed on the upper end of described ringfeder base (71), the upper surface laminating 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 fixture that rises, is characterized in that, between described nut (1) and described external toothing to be processed (6), is provided with pressure pad (4).
5. the gear shaping according to claim 1 heart fixture that rises, 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 fixture that rises, 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. the gear shaping according to claim 1 heart fixture that rises, 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, the expansion muscle in coaxial same footpath forms.
8. the gear shaping according to claim 1 heart fixture that rises, is characterized in that, described taper shaft (8) is processed by diminished shaft (80) and d-axis (81) one.
9. the gear shaping according to claim 2 heart fixture that rises, is characterized in that, the lower end of the d-axis (81) of described taper shaft (8) is provided with internal thread part.
10. the gear shaping according to claim 1 heart fixture that rises, 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).
CN201310089401.4A 2013-03-20 2013-03-20 Gear shaping and expanding fixture Pending CN104057158A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310089401.4A CN104057158A (en) 2013-03-20 2013-03-20 Gear shaping and expanding fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310089401.4A CN104057158A (en) 2013-03-20 2013-03-20 Gear shaping and expanding fixture

Publications (1)

Publication Number Publication Date
CN104057158A true CN104057158A (en) 2014-09-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310089401.4A Pending CN104057158A (en) 2013-03-20 2013-03-20 Gear shaping and expanding fixture

Country Status (1)

Country Link
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105345170A (en) * 2015-12-05 2016-02-24 綦江县赛普雷多汽车齿轮厂 Tool for positioning synchronizer cone nave
CN105364211A (en) * 2015-12-05 2016-03-02 綦江县赛普雷多汽车齿轮厂 Fixture suitable for synchronizer cone hub
CN105364209A (en) * 2015-12-05 2016-03-02 綦江县赛普雷多汽车齿轮厂 Synchronizer cone hub positioning tool
CN105364206A (en) * 2015-12-05 2016-03-02 綦江县赛普雷多汽车齿轮厂 Device suitable for synchronizer cone hub
CN105364217A (en) * 2015-12-05 2016-03-02 綦江县赛普雷多汽车齿轮厂 Synchronizer cone hub positioning device
CN105397206A (en) * 2015-12-05 2016-03-16 綦江县赛普雷多汽车齿轮厂 Synchronizer cone hub positioning mechanism
CN105478924A (en) * 2015-12-05 2016-04-13 綦江县赛普雷多汽车齿轮厂 Device for processing synchronizer cone nave

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105345170A (en) * 2015-12-05 2016-02-24 綦江县赛普雷多汽车齿轮厂 Tool for positioning synchronizer cone nave
CN105364211A (en) * 2015-12-05 2016-03-02 綦江县赛普雷多汽车齿轮厂 Fixture suitable for synchronizer cone hub
CN105364209A (en) * 2015-12-05 2016-03-02 綦江县赛普雷多汽车齿轮厂 Synchronizer cone hub positioning tool
CN105364206A (en) * 2015-12-05 2016-03-02 綦江县赛普雷多汽车齿轮厂 Device suitable for synchronizer cone hub
CN105364217A (en) * 2015-12-05 2016-03-02 綦江县赛普雷多汽车齿轮厂 Synchronizer cone hub positioning device
CN105397206A (en) * 2015-12-05 2016-03-16 綦江县赛普雷多汽车齿轮厂 Synchronizer cone hub positioning mechanism
CN105478924A (en) * 2015-12-05 2016-04-13 綦江县赛普雷多汽车齿轮厂 Device for processing synchronizer cone nave

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Application publication date: 20140924