CN204770706U - Indexing spindle case of numerical control gear -hobbing machine - Google Patents
Indexing spindle case of numerical control gear -hobbing machine Download PDFInfo
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- CN204770706U CN204770706U CN201520383609.1U CN201520383609U CN204770706U CN 204770706 U CN204770706 U CN 204770706U CN 201520383609 U CN201520383609 U CN 201520383609U CN 204770706 U CN204770706 U CN 204770706U
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Abstract
The utility model discloses an indexing spindle case of numerical control gear -hobbing machine, including main shaft box, indexing spindle, anchor clamps, high -speed angling cylinder, the indexing spindle pin joint is internal at the headstock, the front end at the indexing spindle is installed to anchor clamps, the rear end at the indexing spindle is installed to high -speed angling cylinder, indexing spindle cavity, hollow indexing spindle interpolation are equipped with the pull rod, and high -speed angling cylinder and anchor clamps are connected to the pull rod, the internal synchronous machine that is equipped with of headstock, synchronous machine's rotor is fixed on the indexing spindle, synchronous machine's stator is installed on the motor support, the motor support is fixed at the headstock internally. According to above -mentioned technical scheme, synchronous machine's rotor snap -on is on the indexing spindle, thus, the motor does not have intermediate link ground and gives the indexing spindle with the power transmission, has realized the fragmentary transmission of power transmission, has avoided the driving error, is favorable to the improvement of machining precision.
Description
Technical field:
The utility model relates to gear-hobbing machine equipment, in particular to a kind of indexing spindle case of chain digital control gear hobbing machine.
Background technology:
The indexing spindle case of chain digital control gear hobbing machine, by prior art, motor by the transmission device (as gear mechanism) of intermediate link by power transmission to the indexing spindle in indexing spindle case.Because transmission device certainly exists driving error, so the transmission device of intermediate link is unfavorable for the raising of Workpiece Machining Accuracy.
Utility model content:
The technical problem that the utility model solves: the indexing spindle case of chain digital control gear hobbing machine of the prior art, due to motor by the transmission device of intermediate link by power transmission to the indexing spindle in indexing spindle case, therefore, the driving error that transmission device itself has will affect the machining accuracy of workpiece.
The utility model provides following technical scheme:
An indexing spindle case for chain digital control gear hobbing machine, comprises main spindle box body, indexing spindle, fixture, high speed angling cylinder;
Described indexing spindle is articulated in main spindle box body, and main spindle box body is given prominence in the front-end and back-end of indexing spindle, and front-end and back-end and the main spindle box body of the indexing spindle of outstanding main spindle box body are tightly connected; Described fixture is arranged on the front end of indexing spindle, and described high speed angling cylinder is arranged on the rear end of indexing spindle, and described indexing spindle hollow, is inserted with pull bar in the indexing spindle of hollow, and pull bar connects high speed angling cylinder and fixture;
Be provided with synchronous motor in described main spindle box body, the rotor of described synchronous motor is fixed on indexing spindle, and the stator of described synchronous motor is arranged on electric machine support, and described electric machine support is fixed in main spindle box body.
By technique scheme, the rotor of synchronous motor described in the utility model is directly fixed on indexing spindle, so, motor described in the utility model saves land power transmission to indexing spindle without adapter ring, achieve the Zero-drive Chain of power transmission, avoid driving error, be conducive to the raising of machining accuracy.
Illustrate the one of technique scheme as the utility model, the operation principle of described fixture is: described high speed angling cylinder pulls fixture by pull bar, makes clamp or loosens workpiece.
Improve as one of the present utility model, in described main spindle box body, offer main shaft chamber; Along the axis of indexing spindle, in described main shaft chamber, be provided with radial flange; Main shaft chamber is divided into front chamber and rear chamber by described radial flange, described radial flange is fixed with main shaft rear flange, and described indexing spindle is arranged on main shaft rear flange by rear taper roll bearing; The front end of described main spindle box body is fixed with main shaft forward flange, and described indexing spindle is arranged on main shaft forward flange by front cone roller bearing; Described synchronous motor is positioned at rear chamber.
Main spindle box is ensure the high installation accuracy of indexing spindle, and the utility model is broken the normal procedure, on main spindle box body two main dead eyes not on casing direct boring hit.Because no matter adopt which kind of process means, directly on main spindle box body, boring is hit diaxon bearing bore and is always had error.By above-mentioned improvement, the utility model is by the boring of diaxon bearing bore difference on main shaft forward flange and main shaft rear flange, then by mounting and adjusting, guarantees that the concentricity of diaxon bearing bore reaches optimum value.Improvement like this, the rotating accuracy that not only strong guarantee indexing spindle is extra-high, and, also make indexing spindle support stiffness reach very high.
Based on above-mentioned improvement, described indexing spindle is provided with collar bush, described collar bush is arranged with rear rotary sealing ring, and described rear rotary sealing ring is arranged with main shaft rear flange lid, and described main shaft rear flange lid is fixed on main shaft rear flange; Described indexing spindle is provided with locking nut, and described locking nut is against on collar bush, and described collar bush is against on rear taper roll bearing, and described rear taper roll bearing is against on the shaft shoulder of indexing spindle.
Based on above-mentioned improvement, described indexing spindle is arranged with front rotary sealing ring, described front rotary sealing ring is arranged with main shaft forward flange lid, described main shaft forward flange lid is fixed on main shaft forward flange; On the shaft shoulder that the front end face of described front cone roller bearing and rear end face are against indexing spindle respectively and on main shaft forward flange.
Based on above-mentioned improvement, described indexing spindle is fixed with motor fixed cover, the front end side wall of the rotor of described synchronous motor is fixed on motor fixed cover; The rear end of described electric machine support is fixed on the rear end sidewall of main spindle box body.As described above, the rear end of described electric machine support is provided with radial mounting flange, and the rear end of electric machine support is fixed on the rear end sidewall of main spindle box body by this radial mounting flange.
By above-mentioned explanation, indexing spindle case compact overall structure described in the utility model, volume is little, and rigidity is high.
Illustrate the one of high speed angling cylinder as the utility model, the rear end of described indexing spindle is provided with locknut, and the rear end sidewall of locknut has the first adapter sleeve, and described high speed angling cylinder is arranged on the rear end sidewall of the first adapter sleeve; The rear end face of described electric machine support is provided with noncontacting switch, described first adapter sleeve be provided with noncontacting switch with the use of sender switch base.
Illustrate the one of fixture as the utility model, described fixture comprises the second adapter sleeve, collet, and the front end of described pull bar is connected with the second adapter sleeve, and the second adapter sleeve is connected with collet; Described high speed angling cylinder pulls the second adapter sleeve by pull bar, and the second adapter sleeve pulls collet clamp or loosen workpiece.
Accompanying drawing illustrates:
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the general structure schematic diagram of the indexing spindle case of a kind of chain digital control gear hobbing machine of the utility model;
The structural representation of fixture 30 and the rear gained of high speed angling cylinder 40 removed by the indexing spindle case that Fig. 2 is chain digital control gear hobbing machine shown in Fig. 1.
Symbol description in figure:
10, main spindle box body; 100, main shaft chamber; 11, radial flange; 101, front chamber; 102, rear chamber;
20, indexing spindle;
30, fixture; 31, the second adapter sleeve; 32, collet;
40, high speed angling cylinder;
50, pull bar;
60, synchronous motor; 61, the rotor of synchronous motor; 62, the stator of synchronous motor; 63, electric machine support; 64, motor fixed cover; 65, noncontacting switch; 66, sender switch base;
71, main shaft rear flange; 72, rear taper roll bearing; 73, main shaft forward flange; 74, front cone roller bearing; 75, collar bush; 76, rear rotary sealing ring; 77, main shaft rear flange lid; 78, locking nut; 79, front rotary sealing ring; 81, main shaft forward flange lid; 82, locknut; 83, the first adapter sleeve.
Detailed description of the invention:
As Fig. 1, a kind of indexing spindle case of chain digital control gear hobbing machine, comprises main spindle box body 10, indexing spindle 20, fixture 30, high speed angling cylinder 40, synchronous motor 60.
As Fig. 1, described indexing spindle 20 is articulated in main spindle box body, and main spindle box body is given prominence in the front-end and back-end of indexing spindle, and front-end and back-end and the main spindle box body of the indexing spindle of outstanding main spindle box body are tightly connected.Described fixture is arranged on the front end of indexing spindle, and described high speed angling cylinder is arranged on the rear end of indexing spindle, and described indexing spindle hollow, is inserted with pull bar 50 in the indexing spindle of hollow, and pull bar connects high speed angling cylinder and fixture.Described have synchronous motor 60 to be located in main spindle box body, and the rotor 61 of described synchronous motor is fixed on indexing spindle, and the stator 62 of described synchronous motor is arranged on electric machine support 63, and described electric machine support is fixed in main spindle box body.
As Fig. 2, in described main spindle box body 10, offer main shaft chamber 100; Along the axis of indexing spindle 20, in described main shaft chamber, be provided with radial flange 11; Main shaft chamber is divided into front chamber 101 and rear chamber 102 by described radial flange, described radial flange is fixed with main shaft rear flange 71, and described indexing spindle is arranged on main shaft rear flange by rear taper roll bearing 72; The front end of described main spindle box body is fixed with main shaft forward flange 73, and described indexing spindle is arranged on main shaft forward flange by front cone roller bearing 74; Described synchronous motor 60 is positioned at rear chamber.
As Fig. 2, described indexing spindle 20 is provided with collar bush 75, described collar bush is arranged with rear rotary sealing ring 76, and described rear rotary sealing ring is arranged with main shaft rear flange lid 77, and described main shaft rear flange lid is fixed on main shaft rear flange 71; Described indexing spindle is provided with locking nut 78, and described locking nut is against on collar bush, and described collar bush is against on rear taper roll bearing 72, and described rear taper roll bearing is against on the shaft shoulder of indexing spindle.
As Fig. 2, described indexing spindle 20 is arranged with front rotary sealing ring 79, described front rotary sealing ring is arranged with main shaft forward flange lid 81, described main shaft forward flange lid is fixed on main shaft forward flange 73; On the shaft shoulder that the front end face of described front cone roller bearing 74 and rear end face are against indexing spindle respectively and on main shaft forward flange.
As Fig. 1, described indexing spindle 20 is fixed with motor fixed cover 64, the front end side wall of the rotor 61 of described synchronous motor is fixed on motor fixed cover; The rear end of described electric machine support 63 is fixed on the rear end sidewall of main spindle box body 10.
As Fig. 1, the rear end of described indexing spindle 20 is provided with locknut 82, the rear end sidewall of locknut has the first adapter sleeve 83, and described high speed angling cylinder 40 is arranged on the rear end sidewall of the first adapter sleeve; The rear end face of described electric machine support 63 is provided with noncontacting switch 65, described first adapter sleeve be provided with noncontacting switch with the use of sender switch base 66.
As Fig. 1, described fixture 30 comprises the second adapter sleeve 31, collet 32, and the front end of described pull bar 50 is connected with the second adapter sleeve, and the second adapter sleeve is connected with collet; Described high speed angling cylinder 40 pulls the second adapter sleeve by pull bar, and the second adapter sleeve pulls collet clamp or loosen workpiece.
When processing indexing spindle case described in the utility model, diaxon bearing bore for pivot joint indexing spindle distinguishes boring at main shaft forward flange and main shaft rear flange, pass through mounting and adjusting again, guarantee that the concentricity of diaxon bearing bore reaches optimum value, to ensure the rotating accuracy that indexing spindle is extra-high, and, also make indexing spindle support stiffness reach very high.In addition, the rotor of the synchronous motor in indexing spindle case described in the utility model is directly fixed on indexing spindle, so, described synchronous motor saves land power transmission to indexing spindle without adapter ring, achieve the Zero-drive Chain of power transmission, avoid driving error, be conducive to the raising of machining accuracy.
Above content is only better embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (7)
1. an indexing spindle case for chain digital control gear hobbing machine, comprises main spindle box body (10), indexing spindle (20), fixture (30), high speed angling cylinder (40); Described indexing spindle is articulated in main spindle box body, and main spindle box body is given prominence in the front-end and back-end of indexing spindle, and front-end and back-end and the main spindle box body of the indexing spindle of outstanding main spindle box body are tightly connected; Described fixture is arranged on the front end of indexing spindle, and described high speed angling cylinder is arranged on the rear end of indexing spindle, described indexing spindle hollow, is inserted with pull bar (50) in the indexing spindle of hollow, and pull bar connects high speed angling cylinder and fixture; It is characterized in that: in described main spindle box body, be provided with synchronous motor (60), the rotor (61) of described synchronous motor is fixed on indexing spindle, the stator (62) of described synchronous motor is arranged on electric machine support (63), and described electric machine support is fixed in main spindle box body.
2. the indexing spindle case of a kind of chain digital control gear hobbing machine as claimed in claim 1, is characterized in that: offer main shaft chamber (100) in described main spindle box body; Along the axis of indexing spindle (20), in described main shaft chamber, be provided with radial flange (11); Main shaft chamber is divided into front chamber (101) and rear chamber (102) by described radial flange, described radial flange is fixed with main shaft rear flange (71), described indexing spindle is arranged on main shaft rear flange by rear taper roll bearing (72); The front end of described main spindle box body is fixed with main shaft forward flange (73), and described indexing spindle is arranged on main shaft forward flange by front cone roller bearing (74); Described synchronous motor (60) is positioned at rear chamber.
3. the indexing spindle case of a kind of chain digital control gear hobbing machine as claimed in claim 2, it is characterized in that: described indexing spindle (20) is provided with collar bush (75), described collar bush is arranged with rear rotary sealing ring (76), described rear rotary sealing ring is arranged with main shaft rear flange lid (77), and described main shaft rear flange lid is fixed on main shaft rear flange (71); Described indexing spindle is provided with locking nut (78), and described locking nut is against on collar bush, and described collar bush is against on rear taper roll bearing (72), and described rear taper roll bearing is against on the shaft shoulder of indexing spindle.
4. the indexing spindle case of a kind of chain digital control gear hobbing machine as claimed in claim 2, it is characterized in that: described indexing spindle (20) is arranged with front rotary sealing ring (79), described front rotary sealing ring is arranged with main shaft forward flange lid (81), and described main shaft forward flange lid is fixed on main shaft forward flange (73); On the shaft shoulder that the front end face of described front cone roller bearing (74) and rear end face are against indexing spindle respectively and on main shaft forward flange.
5. the indexing spindle case of a kind of chain digital control gear hobbing machine as claimed in claim 2, it is characterized in that: described indexing spindle (20) is fixed with motor fixed cover (64), the front end side wall of the rotor (61) of described synchronous motor is fixed on motor fixed cover; The rear end of described electric machine support (63) is fixed on the rear end sidewall of main spindle box body (10).
6. the indexing spindle case of a kind of chain digital control gear hobbing machine as claimed in claim 1, it is characterized in that: the rear end of described indexing spindle (20) is provided with locknut (82), the rear end sidewall of locknut has the first adapter sleeve (83), described high speed angling cylinder (40) is arranged on the rear end sidewall of the first adapter sleeve; The rear end face of described electric machine support (63) is provided with noncontacting switch (65), described first adapter sleeve be provided with noncontacting switch with the use of sender switch base (66).
7. the indexing spindle case of a kind of chain digital control gear hobbing machine as claimed in claim 1, it is characterized in that: described fixture (30) comprises the second adapter sleeve (31), collet (32), the front end of described pull bar (50) is connected with the second adapter sleeve, and the second adapter sleeve is connected with collet; Described high speed angling cylinder (40) pulls the second adapter sleeve by pull bar, and the second adapter sleeve pulls collet clamp or loosen workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520383609.1U CN204770706U (en) | 2015-06-04 | 2015-06-04 | Indexing spindle case of numerical control gear -hobbing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520383609.1U CN204770706U (en) | 2015-06-04 | 2015-06-04 | Indexing spindle case of numerical control gear -hobbing machine |
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| Publication Number | Publication Date |
|---|---|
| CN204770706U true CN204770706U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520383609.1U Active CN204770706U (en) | 2015-06-04 | 2015-06-04 | Indexing spindle case of numerical control gear -hobbing machine |
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| CN (1) | CN204770706U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827059A (en) * | 2015-06-04 | 2015-08-12 | 浙江日创机电科技有限公司 | Indexing spindle box of numerically-controlled gear hobbing machine |
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2015
- 2015-06-04 CN CN201520383609.1U patent/CN204770706U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827059A (en) * | 2015-06-04 | 2015-08-12 | 浙江日创机电科技有限公司 | Indexing spindle box of numerically-controlled gear hobbing machine |
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