CN202428064U

CN202428064U - Gear shaping fixture for second shaft gear

Info

Publication number: CN202428064U
Application number: CN 201120509662
Authority: CN
Inventors: 张霞
Original assignee: Qijiang Gear Transmission Co Ltd
Current assignee: Qijiang Gear Transmission Co Ltd
Priority date: 2011-12-09
Filing date: 2011-12-09
Publication date: 2012-09-12
Anticipated expiration: 2021-12-09

Abstract

The utility model discloses a gear shaping fixture for a second shaft gear. A mandrel is composed of a connection plate, a conical surface section and a thread section, wherein the connection plate is connected with a transition plate, and the conical surface section and the thread section are used for sleeving the second shaft gear. An expansion sleeve is sleeved on the conical surface section, a pressing board is in clearance fit with the mandrel and is used for pressing the expansion sleeve, a nut is connected with the thread section of the mandrel, and the connection plate of the mandrel is provided with a first connection hole, a second connection hole, a third connection hole, a fourth connection hole, a fifth connection hole and a sixth connection hole, wherein the first connection hole, the second connection hole, the third connection hole and the fourth connection hole quarter a same circumference and are distributed on the same circumference to form a first set of connection holes, and the first connection hole, the fifth connection hole and the sixth connection hole trisect a same circumference and are distributed on the same circumference to form a second set of connection holes. According to the gear shaping fixture for the second shaft gear, not only can the investment on fixtures be reduced to reduce the manufacturing costs of the fixtures, but also time for changing the fixtures on two machine tools can be saved to improve working efficiency.

Description

Two shaft gear gear shaping anchor clamps

Technical field

The clamping device of a kind of two shaft gears of the utility model is specifically related to a kind of two shaft gear gear shaping anchor clamps.

Background technology

Two shaft gears various in style; Its endoporus specifically is of a size of φ 64.6, φ 69.6, φ 70.6, φ 72.6, φ 77.6, φ 87.6, φ 89.6, φ 92. 6, φ 97.6, φ 99.6, φ 102.6, φ 103.6 totally ten two kinds of apertures from φ 64.6～φ 103.6.Need process the flank of tooth of two shaft gears with shaping machine; The shaping machine that adopts at present is Y54 and YS5132 lathe; Before two shaft gears are carried out Gear Shaping; Need with clamps on the transition disc on the shaping machine, with on the fixing anchor clamps again of two shaft gear clampings, just can process again.Transition disc on the Y54 type shaping machine is as shown in Figure 1, and the transition disc on the YS5132 type shaping machine is as shown in Figure 2:

With reference to Fig. 3, two shaft gear end faces are enclosed within on the axle 1, are provided with expansion set 3 between two shaft gear endoporus and the axle 1, turn nut and promote pressing plate 4, and expansion set 3 moves axially and locatees and compress two shaft gears 2, and the base with axle is connected through screw with filtering table again.The anchor clamps of Y54 type shaping machine link to each other with transition disc with the trisection screw among Fig. 1; The anchor clamps of YM5132 type shaping machine link to each other with transition disc with quarter screws among Fig. 2; Because the stroke (being the setting height(from bottom) of product to be processed) of two kinds of slotting machine tooling products is different; So in design in the past; When the product in same aperture carried out gear shaping, the anchor clamps of Y54 type shaping machine and YS5132 type shaping machine can not be general, all processing of the minimum needs 20 fourth officer anchor clamps of two shaft gears in 12 kinds of apertures so.These anchor clamps are not only injected capital into many, and the instrument warehouse area of taking is also many.And because the production scene rhythm of production is fast; Two shaft gears are changed frequent, and are when changing two shaft gears, as shown in Figure 4: the beating of end face A that needs to proofread and correct transition disc 5; If the transition disc end face run-out is smaller or equal to 0.01mm; Then can the axle 1 of gear shaping anchor clamps be assembled with transition disc, proofread and correct the location end face B and the centre of gyration Φ D of axle 1 again, two processed shaft gear centers are overlapped with the shaping machine centre of gyration.Frequent replacing two shaft gears have not only increased the auxiliary replacing anchor clamps time and the time of clamping fixture for correcting, and have reduced work efficiency.

Summary of the invention

To the problems referred to above; The purpose of the utility model is to provide a kind of two can be on above-mentioned two kinds of shaping machines general shaft gear gear shaping anchor clamps, not only reduces the input of anchor clamps, reduces the anchor clamps manufacturing cost; And can save the time of on two lathes, changing anchor clamps, to increase work efficiency.

The technical scheme that realizes above-mentioned purpose is following:

Two shaft gear gear shaping anchor clamps; Comprise axle, nut, pressing plate and expansion set with taper hole; Axle is made up of the conical surface section and the thread segment of the terminal pad that connects transition disc, confession two shaft gear suits; Expansion set is enclosed within on the conical surface section; Platen gap is engaged on the conical surface section of axle and pushes down expansion set, and nut is connected with the thread segment of axle, and the terminal pad of axle is provided with first connecting hole, second connecting hole, the 3rd connecting hole, the 4th connecting hole, the 5th connecting hole and the 6th connecting hole; Wherein first connecting hole, second connecting hole, the 3rd connecting hole and the 4th connecting hole are distributed on first group of connecting hole of formation on the same circumference with the form of the same circumference of the quartering, and first connecting hole, the 5th connecting hole and the 6th connecting hole are distributed on second group of connecting hole of formation on the same circumference with the form of the same circumference of trisection.

Adopted such scheme, after being provided with first group of connecting hole and second group of connecting hole on the terminal pad, can fixture application carried out two shaft gears are processed to different lathes; And every secondary anchor clamps have certain aperture range of work, process for two shaft gears in this pore diameter range; Need not to change anchor clamps, total input amount of anchor clamps has reduced aborning, helps reducing the manufacturing cost of anchor clamps; And need not to change anchor clamps, help enhancing productivity.

Description of drawings

Fig. 1 is the structure chart of the transition disc of Y54 type shaping machine in the prior art;

Fig. 2 is the structure chart of the transition disc of YS5132 type shaping machine in the prior art;

Fig. 3 is the structure chart of two shaft gear anchor clamps in the prior art;

Fig. 4 is the correction sketch map of transition disc;

Fig. 5 is the structural representation of two shaft gear gear shaping anchor clamps, first embodiment of the utility model;

Fig. 6 is the structural representation of two shaft gear gear shaping anchor clamps, second embodiment of the utility model;

Fig. 7 is the vertical view of axle;

In the accompanying

drawing

5,6,7,1 is axle, and 2 is plug screw, and 3 is expansion set, and 4 is pressing plate, and 5 is nut, and 6 is packing ring;

10 is terminal pad, and 11 is conical surface section, and 12 is thread segment, and 13 is first connecting hole, and 14 is second connecting hole, and 15 is the 3rd connecting hole, and 16 is the 4th connecting hole, and 17 is the 5th connecting hole, and 18 is the 6th connecting hole.

The specific embodiment

At first, two shaft gears of φ 64.6～φ 77.6 are divided into first group, two shaft gears of this group can be accomplished processing through a sleeve clamp; Two shaft gears of φ 87.6～φ 92.6 are divided into second group, and two shaft gears of this group can be accomplished processing through a sleeve clamp; φ 99.6～φ 103.6 two shaft gears are divided into the 3rd group, and two shaft gears of this group can be accomplished processing through three sleeve clamps.

Embodiment one, this embodiment are the two shaft gear gear shaping anchor clamps that are used to process φ 64.6～φ 77.6.

With reference to Fig. 5 and Fig. 6, the two shaft gear gear shaping anchor clamps of the utility model comprise axle 1, plug screw 2, expansion set 3, pressing plate 4, nut 5, packing ring 6.

Axle 1 is made up of the conical surface section 11 and the thread segment 12 of the terminal pad 10 that connects transition disc, confession two shaft gear suits; Conical surface section 11 is between terminal pad 10 and thread segment 12; Expansion set 3 is enclosed within on the conical surface section 11; The terminal pad 10 of axle is provided with first connecting hole 13, second connecting hole 14, the 3rd connecting hole 15, the 4th connecting hole 16, the 5th connecting hole 17 and the 6th connecting hole 18; Wherein first connecting hole 13, second connecting hole 14, the 3rd connecting hole 15 and the 4th connecting hole 16 are distributed on the form of the same circumference of the quartering and form first group of connecting hole on the same circumference, and this first group of connecting hole is used to connect YS5132 type shaping machine.First connecting hole 13, the 5th connecting hole 17 and the 6th connecting hole 18 are distributed on the form of the same circumference of trisection and form second group of connecting hole on the same circumference, and this second group of connecting hole is used to connect Y54 type shaping machine.Therefore, the axle of the utility model can be assemblied on the lathe of two kinds of models.

In process, owing to only can use first group of connecting hole or second group of connecting hole, if untapped one group of connecting hole is not protected; The iron filings that produce in the process can be dropped into wherein, and not only easy cleaning not, and iron filings is piled up many; Very tiny iron filings penetrate into the contact-making surface of anchor clamps and transition disc; Influence the positioning accuracy of anchor clamps end face, so in the anchor clamps of the utility model, be equipped with plug screw 2 in second connecting hole 14, the 3rd connecting hole 15, the 4th connecting hole 16, the 5th connecting hole 17 and the 6th connecting hole 18; Through the barrier effect of plug screw 2, with iron filings refuse in the outside of connecting hole.

The expansion set of expansion set 3 for adopting 50CrVA to process, the taper ratio of the conical surface section of the taper hole of expansion set and axle is 1:3.Utilize the harmomegathus rate of expansion set, to two shaft gears in different inner diameters hole, be enclosed within them on anchor clamps after, only need to adopt the expansion set 3 of different size can make its location, and need not change axle, can process two shaft gears in different inner diameters hole.Expansion set 3 is for changing part; Add up the tired height that needs the processing tooth of every group of two teeth, confirm the location height (or height overall of axle 1 and packing ring 6) of axle 1 and the length of expansion set 3, make design of Clamping Apparatus must satisfy the processing of this group gear; Through changing expansion set 3; Can change product fast, reduce the auxiliary clamp-replacing time and the time of clamping fixture for correcting, adapt to the rhythm of producing.

Pressing plate 4 matched in clearance are on the conical surface section of axle and push down expansion set, and nut 5 is connected with the thread segment 12 of axle.Because the taper ratio of the taper hole of 3 expansion sets and the conical surface section of axle is 1:3 pressing plate 4 and axle 1 matched in clearance, fit clearance is 0.5～1mm, and the end face of pressing plate 4 contacts with nut 5 with expansion set 3; When compressing the bidentate arbor wheel; With spanner rotation nut 5, nut 5 moves axially, thereby lets expansion set 3 move axially through pressing plate 4; Expansion set 3 compresses the bidentate arbor wheel thereby radial deformation takes place under the effect of 1:4 tapering.

Packing ring 6 is enclosed within on the expansion set 3; The processing endoporus is that the two shaft gear gear shaping anchor clamps of φ 87.6～φ 92.6 and φ 99.6～φ 103.6 are compared; Therefore the two shaft gear gear shaping anchor clamps of processing φ 64.6～φ 77.6 are provided with packing ring 6 because the end face structural change of two shaft gears location is big in this embodiment.It is convenient to change packing ring when the design of packing ring 6 should be considered to change product, will consider that also packing ring 6 is suitable with the gap of expansion set 3, because expansion set 3 is when compressing product, expansion set 3 outside dimensions increase, and hole dimensions can not be interfered the distortion of expansion set 3 in this moment packing ring 6.And work in-process has tiny iron filings to produce, and the gap between packing ring 6 and the expansion set 3 can not be too big, and generally the gap between the two is 0.3mm～0.4mm.

Embodiment two, this embodiment are the two shaft gear gear shaping anchor clamps that are used to process φ 87.6～φ 92.6, and this embodiment is compared with first embodiment, need not adopt packing ring 6, and all the other structures are identical with embodiment one.

Likewise, be used to process the two shaft gear gear shaping anchor clamps of φ 99.6～φ 103.6, except the size of part, structure aspects is identical with embodiment two.

Above three secondary anchor clamps are installed on three lathes on the production line, can process, can change two shaft gears fast, reduce the auxiliary clamp-replacing time and the time of clamping fixture for correcting, adapt to the rhythm of producing two shaft gears in any aperture.

Claims

1. shaft gear gear shaping anchor clamps; Comprise axle, nut, pressing plate and expansion set with taper hole; Axle is made up of the conical surface section and the thread segment of the terminal pad that connects transition disc, confession two shaft gear suits; Expansion set is enclosed within on the conical surface section; Platen gap is engaged on the conical surface section of axle and pushes down expansion set; Nut is connected with the thread segment of axle; It is characterized in that: the terminal pad of axle is provided with first connecting hole, second connecting hole, the 3rd connecting hole, the 4th connecting hole, the 5th connecting hole and the 6th connecting hole, and wherein first connecting hole, second connecting hole, the 3rd connecting hole and the 4th connecting hole are distributed on first group of connecting hole of formation on the same circumference with the form of the same circumference of the quartering, and first connecting hole, the 5th connecting hole and the 6th connecting hole are distributed on second group of connecting hole of formation on the same circumference with the form of the same circumference of trisection.

2. two shaft gear gear shaping anchor clamps according to claim 1 is characterized in that: two shaft gear gear shaping anchor clamps also comprise a packing ring, and this gasket sleeve is on expansion set.

3. two shaft gear gear shaping anchor clamps according to claim 2, it is characterized in that: the gap between packing ring and the expansion set is 0.3mm～0.4mm.

4. two shaft gear gear shaping anchor clamps according to claim 1, it is characterized in that: the taper ratio of the conical surface section of the taper hole of expansion set and axle is 1:3.

5. according to any described two shaft gear gear shaping anchor clamps of claim 1 to 4, it is characterized in that: be equipped with plug screw in said second connecting hole, the 3rd connecting hole, the 4th connecting hole, the 5th connecting hole, the 6th connecting hole.

6. according to any described two shaft gear gear shaping anchor clamps of claim 1 to 4, it is characterized in that: the expansion set of said expansion set for adopting 50CrVA to process.