CN211135803U - Gear hobbing machine cutter locking mechanism - Google Patents
Gear hobbing machine cutter locking mechanism Download PDFInfo
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- CN211135803U CN211135803U CN201922178300.XU CN201922178300U CN211135803U CN 211135803 U CN211135803 U CN 211135803U CN 201922178300 U CN201922178300 U CN 201922178300U CN 211135803 U CN211135803 U CN 211135803U
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- gear
- cutter
- base
- hobbing machine
- locking mechanism
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Abstract
The utility model discloses a gear hobbing machine cutter locking mechanism, which comprises a base, be provided with actuating mechanism on the base, actuating mechanism is connected with drive mechanism, the last cutter arbor support that is provided with of drive mechanism, still be provided with the blade holder on the base, be provided with the cutter on the blade holder, still be provided with the fixed establishment who is used for locking on the base, actuating mechanism includes the hand wheel, be provided with the handle on the hand wheel. When the tool is used, the locking of the tool can be controlled by rotating the hand wheel, the driving mechanism comprises a first gear, the first gear is in transmission connection with a second gear, a lead screw is arranged in the second gear, and the lead screw is connected with the cutter bar support. The first gear drives the second gear to rotate, the second gear drives the screw to move back and forth, the screw drives the cutter bar support to move back and forth, so that the cutter is fixed, the fixing mechanism adopts the fixing pin to lock, and the elastic mechanism adopts the disc reed.
Description
Technical Field
The utility model relates to the gear hobbing machine especially involves a gear hobbing machine cutter locking mechanism.
Background
The high-efficiency gear hobbing machine appeared in the 20 th century and the 60 s later mainly adopts a hard alloy hob as high-speed and large-feed-rate gear hobbing, and a hob main shaft usually adopts a hydrostatic bearing, so that oil mist can be automatically treated and chips can be automatically removed. Such a gear hobbing machine is suitable for mass production of gears. The large high-precision hobbing machine is mainly used for processing gears with high requirements on motion stability and service life, such as large high-precision high-speed gear pairs of a steam turbine, a ship propulsion device and the like. Generally, the development is matched with the development of the vertical type and the horizontal type. In addition to strict manufacturing and fine assembly and adjustment requirements, some gear hobbing machines also have a motion error detection device arranged on the hob spindle and the working table, and automatically feed back and compensate errors so as to improve the precision. In order to avoid the influence of internal and external heat sources on the gear hobbing machine, the temperatures of a hydraulic and cooling system are strictly controlled, and the gear hobbing machine must be arranged on a firm foundation in a constant-temperature factory and provided with a vibration-proof isolation groove. The small gear hobbing machine is used for processing instrument gears. The watch gear hobbing machine generally uses a hard alloy hob to machine a watch cycloid gear, the cycle beat is fast, the requirement on the reliability of a machine tool is high, and each machine tool is provided with an automatic feeding and discharging device to perform single-machine automatic machining. In addition, there are also a variety of gear hobbing machines for special purposes, such as indexing worm gear hobbing machines for machining high-precision worm gears.
In the tool locking mechanism in the prior art, hydraulic locking is utilized, specifically, an inner hole of a spindle box is locked by a four-jaw blind rivet, the other end of the spindle box is locked by a hydraulic ejection mechanism or a nut, and the tool cannot be well stabilized and positioned by hydraulic locking or nut locking.
SUMMERY OF THE UTILITY MODEL
The utility model provides a gear hobbing machine cutter locking mechanism through the transmission of gear, drives the back-and-forth movement of lead screw to the back-and-forth movement of drive cutter arbor support realizes the locking of cutter, and can be to the location of cutter through the fixed pin.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a gear hobbing machine cutter locking mechanism, includes the base, be provided with actuating mechanism on the base, actuating mechanism is connected with drive mechanism, the last cutter arbor support that is provided with of drive mechanism, still be provided with the blade holder on the base, be provided with the cutter on the blade holder, still be provided with the fixed establishment who is used for locking the cutter arbor support on the base.
The above scheme is further that the driving mechanism comprises a hand wheel, and a handle is arranged on the hand wheel. When the tool locking device is used, the locking of the tool can be controlled by rotating the hand wheel.
In addition, the driving mechanism comprises a first gear, the first gear is in transmission connection with a second gear, a lead screw is arranged in the second gear, and the lead screw is connected with the cutter bar support. The first gear drives the second gear to rotate, the second gear drives the screw rod to move back and forth, and the screw rod drives the cutter bar support to move back and forth, so that the cutter is fixed.
Above-mentioned scheme is further, fixed establishment adopts the fixed pin to lock.
In the above scheme, the elastic mechanism is a disc spring. The disc spring can bear great load in a small space, and the disc spring has good buffering and shock absorbing capacity due to the large volume of the gear hobbing machine.
The utility model discloses a technical advantage and effect: before using, at first extract the fixed pin, through clockwise rotation hand wheel, the hand wheel drives first gear revolve, and first gear drives second gear drive to second gear drive feed screw linear motion, simultaneously, can extrude the dish spring, mainly for the buffering inhale shake, thereby the feed screw is driving cutter arbor support rectilinear movement, thereby fixes the cutter between cutter arbor support and blade holder through the fixed pin.
Drawings
Fig. 1 is a schematic structural view of a locking mechanism of a gear hobbing machine.
Fig. 2 is a schematic view of a fixing pin structure of a locking mechanism of a gear hobbing machine.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, a gear hobbing machine cutter locking mechanism comprises a base 1, wherein the base 1 is made of rectangular block-shaped cast iron, a spindle box 3 is arranged on the right side of the base 1, power transmission and speed of gear machining are mainly completed through the spindle box, a stator 10 and a rotor 11 are arranged in the spindle box, a rotor shaft of the rotor 11 is a hollow cylindrical steel component, the left end of a tube cavity of the rotor shaft is a taper, the right end of the tube cavity of the rotor shaft is provided with an internal thread pipe orifice thread, a cover is arranged on the stator, and impurities such as dust and the like are mainly prevented from entering the stator in the working process.
Still be provided with cutter arbor support 2 on the base 1, the rotor shaft left part is fixed in through antifriction bearing the intracavity of cutter arbor support, be provided with the cutter arbor in the cutter arbor support, the cutter arbor is the cylinder steel component, be provided with the cutter on the cutter arbor, can place the cutter of different specifications on the cutter arbor.
In order to realize the locking of cutter, it is preferred, be provided with actuating mechanism on the gear hobbing machine base 1, actuating mechanism includes hand wheel 4, for convenient the rotation, be provided with handle 5 on the hand wheel 4, of course, other actuating mechanism also can use the utility model discloses in, the hand wheel sets up suitable height on the base according to the requirement of work, in the course of the work, avoids the workman to bow for a long time and rotates the hand wheel, influences the efficiency of work.
The hand wheel 1 is connected with a first gear 3, the first gear 3 is in transmission connection with a second gear 7, a lead screw is arranged in the second gear 7, and the rotation of the second gear is mainly converted into linear motion, so that the lead screw is connected with the cutter bar support, and the lead screw drives the cutter bar support to do linear motion. And the cutter bar support is pressed against the cutter to realize the locking of the cutter.
Still be provided with the fixed establishment who is used for locking and location on the base 1, its fixed establishment adopts fixed pin 8 to lock, fixed pin 8 cooperates with the lead screw and locks, of course, fixed pin 8 also can cooperate second gear 7 to lock for the unable gyration of second gear realizes fixed function, and it can be understood that other locking mechanism also can use the utility model discloses in, at the in-process of operation, when the cutter arbor support has coincided with the cutter, insert the fixed pin and fix locking. As shown in FIG. 2, the cross section of the screw rod matched with the fixing pin is hexagonal, so that the fixing pin can be contacted with any surface of the screw rod to realize fixing, and the fixing is firmer.
The second gear 7 with be provided with elastic mechanism between the lead screw, elastic mechanism adopts dish reed 9, and it can be understood that other elastic mechanism, for example spring etc. also can use the utility model discloses in. The disc spring can bear great load in a small space, and the disc spring has good buffering and shock absorbing capacity due to the large volume of the gear hobbing machine. The precision of the product can be improved in the operation process.
Before using, at first extract the fixed pin, through clockwise rotation hand wheel, the hand wheel drives first gear revolve, first gear drives second gear drive, thereby second gear drive feed screw linear motion, and simultaneously, can extrude the dish spring, it shakes mainly to inhale for the buffering, the feed screw is driving cutter arbor support rectilinear movement, thereby push up the cutter arbor support on the cutter, thereby rethread fixed pin fixes the cutter between cutter arbor support and blade holder, when the cutter has locked, L ED lamp on the terminal switch can light, its locking work has been accomplished.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a gear hobbing machine cutter locking mechanism, includes base (1), its characterized in that, be provided with actuating mechanism on base (1), actuating mechanism is connected with drive mechanism, the last cutter arbor support (2) that is provided with of drive mechanism, still be provided with headstock (3) on base (1), be provided with the cutter on headstock (3), still be provided with the fixed establishment who is used for locking the cutter arbor support on base (1).
2. A gear hobbing machine tool locking mechanism according to claim 1, characterized in that the drive mechanism comprises a hand wheel (4), a grip (5) being provided on the hand wheel (4).
3. A hobbing machine tool locking mechanism according to claim 1, characterized in that the drive mechanism comprises a first gear (6), the first gear (6) is drivingly connected to a second gear (7), a lead screw is arranged in the second gear (7), and the lead screw is connected to the tool holder support (2).
4. A hobber cutter locking mechanism according to claim 1, characterised in that the locking mechanism is locked with a fixing pin (8).
5. A hobber knife locking mechanism according to claim 3, characterised in that an elastic mechanism is arranged between the second gear wheel (7) and the lead screw.
6. A hobbing machine tool locking mechanism as claimed in claim 5, characterized in that the resilient means employs a disc spring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922178300.XU CN211135803U (en) | 2019-12-06 | 2019-12-06 | Gear hobbing machine cutter locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922178300.XU CN211135803U (en) | 2019-12-06 | 2019-12-06 | Gear hobbing machine cutter locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211135803U true CN211135803U (en) | 2020-07-31 |
Family
ID=71746440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922178300.XU Active CN211135803U (en) | 2019-12-06 | 2019-12-06 | Gear hobbing machine cutter locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211135803U (en) |
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2019
- 2019-12-06 CN CN201922178300.XU patent/CN211135803U/en active Active
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