CN212144821U - Rotary worktable of numerical control gear hobbing machine - Google Patents
Rotary worktable of numerical control gear hobbing machine Download PDFInfo
- Publication number
- CN212144821U CN212144821U CN202020363784.5U CN202020363784U CN212144821U CN 212144821 U CN212144821 U CN 212144821U CN 202020363784 U CN202020363784 U CN 202020363784U CN 212144821 U CN212144821 U CN 212144821U
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- gear
- hobbing
- rotary table
- motor
- rotary
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Abstract
The utility model discloses a rotary worktable of a numerical control gear hobbing machine, which comprises a base, a ball slide rail, a rotary table, a rotary motor, a motor gear, a hobbing station, a hobbing swivel base, a transmission shaft, a positioning rod, a pressure plate, a pressure arm, a lifting mechanism, a hobbing feed box and a gear feed motor, when the pressure arm moves downwards under the drive of the lifting mechanism, the pressure plate is aligned with the transmission shaft and pressed down by the top of the positioning rod, and the top of the stacked gear pieces is pressed tightly, driven by the rotary table to be conveyed to a processing station, the cut gear pieces are unloaded on a hobbing station at the back side of the rotary table, the gear pieces to be hobbed are stacked on a hobbing station at the left side of the top surface of the rotary table, the device has simple structure, small occupied area, enough space for clamping and unloading, convenience and rapidness, and the turntable rotates and is positioned through the gear, so that the machining error is small, and the efficiency of machining the gears by hobbing in batches can be greatly improved.
Description
Technical Field
The utility model relates to a gear machining technical field specifically is a numerical control gear hobbing machine swivel work head.
Background
The numerical control gear hobbing machine is the most widely used machine tool in gear processing machine tools, and can machine straight teeth, helical cylindrical gears, worm gears, chain wheels and the like on the numerical control gear hobbing machine, and workpieces are arranged on a workbench, are driven to rotate by an indexing worm gear pair and form generating motion together with the motion of a hob. The existing numerical control gear hobbing machine tool can only be provided with one workbench generally. When the numerical control gear hobbing machine is used for machining a workpiece, only one group of gears can be machined at a time, the gear piece to be machined is troublesome to clamp and unload, and the workbench which moves linearly along the guide rail is troublesome to position after moving, transferring and unloading, so that the machining efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a numerical control gear hobbing machine swivel work head to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a rotary worktable of a numerical control gear hobbing machine comprises a base, ball slide rails, a rotary table, a rotary motor, a motor gear, a hobbing station, a hobbing swivel base, a transmission shaft, a positioning rod, a pressure plate, a pressure arm, a lifting mechanism, a hobbing feed box and a gear feed motor, wherein the base is a circular table top with four support legs at the bottom surface, a circle of ball slide rails is concentrically fixed on the top surface of the base, the ball slide rails are of a ring body structure with semicircular grooves at the top surface, the rotary table is placed on the top surface of the base, the rotary table is of a cylinder structure with a circular through hole at the center of the top surface and is concentrically placed on the top surface of the rotary table, an annular groove is formed in the bottom surface of the rotary table corresponding to the position of the ball slide rails, a house-shaped groove is formed in the center of the bottom surface of the groove, a plurality of steel balls, when the rotary table is placed on the base, the bottom of the groove in the bottom of the rotary table is in contact with the tops of the balls on the ball slide rails, so that the bottom of the rotary table is suspended, and the friction force generated when the rotary table rotates can be greatly reduced;
the side surface of the rotary table is provided with gear convex teeth which are meshed with a motor gear, the motor gear is in key connection with an output shaft of a rotary motor, the rotary motor is fixedly connected to the left side of the base through a support, the output shaft of the rotary motor is vertically arranged upwards, and the rotary motor can drive the motor gear to rotate so as to drive the rotary table to rotate intermittently, and rotate ninety degrees anticlockwise each time;
the top surface of the rotary table is provided with four hobbing stations in a circular array, each hobbing station is provided with a hobbing swivel mount, the hobbing stations are of a cuboid structure, the top surface of each hobbing station is provided with a circular through hole, a bottom rotating shaft of each hobbing swivel mount is fixedly connected in each circular through hole through a tapered roller bearing, each hobbing swivel mount is of a circular plate-shaped structure, the center of the bottom surface of each hobbing swivel mount is provided with a rotating shaft, the centers of the top surfaces of the hobbing swivel mounts are fixedly connected with two cylindrical positioning rods symmetrically and fixedly positioned at two sides of each rotating shaft, each rotating shaft is of a cylindrical structure, splines are arranged on the top surface of each rotating shaft, shaft holes on gear pieces to be hobbed are aligned with the rotating;
the center of the top surface of the base is provided with a lifting mechanism, the top of a working end telescopic cylinder of the lifting mechanism is fixedly connected with the left end of a pressing arm, the pressing arm is of a cuboid structure, the right end of the pressing arm is provided with a circular rotary seat, a top rotating shaft of a pressing plate is fixedly connected in the circular rotary seat through a bearing, the pressing plate is of a circular plate-shaped structure, the center of the bottom surface of the pressing plate is provided with a spline groove, the center of the top surface of the pressing plate is provided with a rotating shaft, the position, corresponding to the positioning rod, of the bottom surface of the pressing plate is provided with a circular through hole, a rotary motor drives the rotary table to rotate ninety degrees anticlockwise every time, so that four hobbing stations are sequentially positioned under the right end of the pressing arm, and when;
a gear hobbing feeding box is arranged on the right side of the top of the pressure arm, a rotating shaft on the top of the pressure plate penetrates through the right side of the pressure arm and extends into the gear hobbing feeding box, the gear hobbing feeding box drives the gear hobbing feeding box to feed, a gear feeding motor is fixedly mounted on the top of the gear hobbing feeding box, the inner end of an indexing worm of the gear hobbing feeding box and a back-side output shaft of the gear feeding motor are driven by a reduction gear box, the indexing worm of the gear hobbing feeding box is driven by the gear feeding motor to rotate, and therefore the laminated gear pieces are driven by the pressure plate to rotate radially;
as a further aspect of the present invention: the lifting mechanism comprises a cylinder sleeve, a telescopic cylinder, a screw sleeve and a screw rod, wherein the cylinder sleeve and the telescopic cylinder are of circular cylindrical structures, the bottom surface of the cylinder sleeve is fixedly connected to the top surface of the base, the top part of the telescopic cylinder is fixedly connected to the bottom surface of the left end of the pressure arm, the outer diameter of the telescopic cylinder is equal to the inner diameter of the cylinder sleeve, the telescopic cylinder is slidably connected to the inner wall of the cylinder sleeve, the screw sleeve is arranged in an inner cavity of the telescopic cylinder on the top surface of the base, the screw sleeve is a circular cylindrical structure with threads on the inner wall, the screw sleeve is meshed with the screw rod, the top part of the screw rod is fixedly connected to a through hole at the left end of the pressure arm through a tapered roller bearing, the top end of the screw rod penetrates through the left end of the pressure arm to be connected with an output shaft coupling of a lifting motor, the lifting motor drives the screw, the looseness and instability caused by the load of the pressure arm are prevented;
as a further aspect of the present invention: the hobbing feeding box is composed of an indexing feeding box, a worm and worm wheel transmission mechanism and a reduction gear box, the indexing feeding box is of a cuboid structure, a cavity is formed in the indexing feeding box, the worm and worm wheel transmission mechanism is arranged in the cavity and consists of an indexing worm and a worm wheel, the indexing worm is fixedly connected to the front side wall and the rear side wall of the inner cavity of the indexing feeding box through bearings, the inner end of the indexing worm penetrates through the indexing feeding box to be connected with an output key hole of the reduction gear box at the inner end, the worm wheel is connected to the top end of a rotating shaft of the pressure plate through a key, and the gear feeding motor drives the indexing worm to rotate through the reduction gear box, so that the pressure plate is driven;
as a further aspect of the present invention: the base is positioned on the left side of a hobbing cutter of the numerical control hobbing machine, and a hobbing station on the right side of the rotary table is a machining station of the hobbing machine;
as a further aspect of the present invention: the tops of the transmission shaft and the positioning rod are chamfered, so that the pressing disc can be conveniently positioned when inserted;
as a further aspect of the present invention: the top end of a rotating shaft of a pressure plate in the hobbing feeding box is provided with a magnetic powder brake and a torque rotating speed inductor, and the magnetic powder brake and the torque rotating speed inductor are connected with a control device of a numerical control hobbing machine, so that the feeding condition can be fed back in time and the parking position of a gear piece can be ensured.
Compared with the prior art, the beneficial effects of the utility model are that: the rotary motor drives the rotary table to rotate ninety degrees counterclockwise each time, so that four hobbing stations are sequentially positioned under the right end of the pressure arm, when the pressure arm moves downwards under the driving of the lifting mechanism, the pressure plate is aligned with the top of the transmission shaft and the positioning rod and presses down the top of the stacked gear pieces, the indexing worm of the hobbing feeding box is driven to rotate by the gear feeding motor, so that the stacked gear pieces are driven to rotate radially by the pressure plate, the radial feeding of the gear pieces during cutting is controlled, the hobbing is matched with the hobbing cutter, the rotary motor drives the rotary table to rotate after the hobbing is finished, the gear pieces to be hobbed are unloaded on the hobbing stations on the back side of the rotary table, and the gear pieces to be hobbed are stacked on the hobbing stations on the left side of the top surface of the rotary table, the device has a simple structure, small floor area, enough space is provided for clamping and unloading rapidly, the rotary table is convenient, and, machining error is little, can great improvement in batches the efficiency of gear hobbing processing gear.
Drawings
Fig. 1 is a schematic structural diagram of a rotary table of a numerical control gear hobbing machine.
Fig. 2 is a schematic structural diagram of a lifting mechanism in a rotary table of the numerical control gear hobbing machine.
Fig. 3 is a schematic structural diagram of a hobbing feed box in a rotary table of the numerical control hobbing machine.
In the figure: the device comprises a base 1, a ball slide rail 2, a rotary table 3, a rotary motor 4, a motor gear 5, a gear hobbing station 6, a gear hobbing rotary seat 7, a transmission shaft 8, a positioning rod 9, a pressure plate 10, a pressure arm 11, a lifting mechanism 12, a lifting motor 13, a gear hobbing feed box 14, a gear feed motor 15, a cylinder sleeve 121, a telescopic cylinder 122, a screw sleeve 123, a screw rod 124, an indexing feed box 141, a worm and worm gear transmission mechanism 142 and a reduction gear box 143.
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.
Referring to fig. 1 to 3, in the embodiment of the present invention, a rotary table of a numerical control gear hobbing machine includes a base 1, a ball slide rail 2, a rotary table 3, a rotary motor 4, a motor gear 5, a hobbing station 6, a hobbing swivel 7, a transmission shaft 8, a positioning rod 9, a pressure plate 10, a pressure arm 11, a lifting mechanism 12, a hobbing feed box 14 and a gear feed motor 15, wherein the base 1 is a circular table top with four support legs on the bottom surface, a circle of ball slide rail 2 is concentrically fixed on the top surface of the base, the ball slide rail 2 is a circular ring structure with a semicircular groove on the top surface, the rotary table 3 is placed on the top surface of the base 1, the rotary table 3 is a cylindrical structure with a circular through hole on the top surface center, the rotary table 3 is concentrically placed on the top surface of the rotary table 3, an annular groove is provided on the bottom surface of the rotary table 3 corresponding to the position of the ball slide rail 2, a house-type, the balls are contacted with each other and are closely arranged in the grooves on the top surface of the ball slide rail 2, when the rotary table 3 is placed on the base 1, the bottom of the groove on the bottom surface of the rotary table 3 is contacted with the tops of the balls on the ball slide rail 2, so that the bottom surface of the rotary table 3 is suspended, and the friction force generated when the rotary table 3 rotates can be greatly reduced;
the side surface of the rotary table 3 is provided with gear convex teeth which are meshed with a motor gear 5, the motor gear 5 is connected to an output shaft of a rotary motor 4 in a key mode, the rotary motor 4 is fixedly connected to the left side of the base 1 through a support, the output shaft of the rotary motor is arranged vertically upwards, and the rotary motor 4 can drive the motor gear 5 to rotate so as to drive the rotary table 3 to rotate intermittently and rotate ninety degrees anticlockwise at each time;
the top surface of the rotary table 3 is provided with four hobbing stations 6 in a circular array, each hobbing station 6 is provided with a hobbing swivel mount 7, the hobbing stations 6 are of a cuboid structure with a circular through hole in the top surface, a bottom rotating shaft of the hobbing swivel mount 7 is fixedly connected in the circular through hole through a tapered roller bearing, the hobbing swivel mount 7 is of a circular plate-shaped structure with a rotating shaft in the center of the bottom surface, the center of the top surface of the hobbing swivel mount is fixedly connected with a transmission shaft 8, two cylindrical positioning rods 9 are symmetrically and fixedly connected to positions, which are positioned at two sides of the transmission shaft 8, of the hobbing swivel mount 7, the transmission shaft 8 is of a cylindrical structure with splines in the top surface, shaft holes in gear pieces to be hobbed are aligned to the transmission shaft 8, the positioning holes;
the center of the top surface of the base 1 is provided with a lifting mechanism 12, the top of a working end telescopic cylinder 122 of the lifting mechanism 12 is fixedly connected with the left end of a pressure arm 11, the pressure arm 11 is of a cuboid structure with a round swivel mount at the right end, a top rotating shaft of a pressure plate 10 is fixedly connected in the round swivel mount through a bearing, the pressure plate 10 is of a round plate-shaped structure with a spline groove at the bottom center, a rotating shaft is arranged at the top center, a round through hole is formed in the position, corresponding to the positioning rod 9, of the bottom surface of the pressure plate 10, the rotary motor 4 drives the rotary table 3 to rotate ninety degrees anticlockwise each time, so that four gear hobbing stations 6 are sequentially located under the right end of the pressure arm 11, and when the pressure arm 11 moves downwards under the driving of the lifting mechanism 12, the pressure plate 10 is aligned with the tops of the transmission shaft;
a gear hobbing feeding box 14 is arranged on the right side of the top of the pressure arm 11, a rotating shaft on the top of the pressure plate 10 penetrates through the right side of the pressure arm 11 and extends into the gear hobbing feeding box 14, the gear hobbing feeding box 14 drives the gear hobbing feeding box 14 to feed, a gear feeding motor 15 is fixedly mounted on the top of the gear hobbing feeding box 14, the inner end of an indexing worm of the gear hobbing feeding box 14 and a back-side output shaft of the gear feeding motor 15 are in transmission through a reduction gear box 143, the gear feeding motor 15 drives the indexing worm of the gear hobbing feeding box 14 to rotate, and therefore the laminated gear pieces are driven to rotate radially through the pressure plate 10;
the lifting mechanism 12 is composed of a cylinder sleeve 121, a telescopic cylinder 122, a threaded sleeve 123 and a screw 124, the cylinder sleeve 121 and the telescopic cylinder 122 are in a circular cylindrical structure, the bottom surface of the cylinder sleeve 121 is fixedly connected to the top surface of the base 1, the top of the telescopic cylinder 122 is fixedly connected to the bottom surface of the left end of the pressure arm 11, the outer diameter of the telescopic cylinder 122 is equal to the inner diameter of the cylinder sleeve 121, the telescopic cylinder 122 is slidably connected to the inner wall of the cylinder sleeve 121, the threaded sleeve 123 is arranged in the inner cavity of the telescopic cylinder 122 on the top surface of the base 1, the threaded sleeve 123 is a circular cylindrical mechanism with threads on the inner wall, the screw 124 is meshed in the threaded sleeve 123, the top of the screw 124 is fixedly connected to a through hole at the left end of the pressure arm 11 through a tapered roller bearing, the top end of the screw passes through the left end of the pressure arm 11 and is connected with an output shaft of the lifting motor 13 through a coupler, the, the matching of the cylinder sleeve 121 and the telescopic cylinder 122 enables the lifting structure 12 to lift more stably, and looseness and instability caused by the load of the pressure arm 11 are prevented;
the hobbing feeding box 14 is composed of an indexing feeding box 141, a worm and worm gear transmission mechanism 142 and a reduction gear box 143, the indexing feeding box 141 is of a cuboid structure with a cavity inside, the worm and worm gear transmission mechanism 142 is arranged in the cavity, the worm and worm gear transmission mechanism 142 is composed of an indexing worm and a worm wheel, the indexing worm is fixedly connected to the front side wall and the rear side wall of the inner cavity of the indexing feeding box 141 through bearings, the inner end of the indexing worm penetrates through the indexing feeding box 141 to be connected with an output key hole of the reduction gear box 143 at the inner end, the worm wheel is connected to the top end of a rotating shaft of the pressure plate 10 through a key, and the gear feeding motor 15 drives the indexing worm to rotate through the reduction gear box 143, so that the pressure plate 10 is;
the base 1 is positioned on the left side of a hobbing cutter of the numerical control hobbing machine, and a right hobbing station 6 of the rotary table 3 is a machining station of the hobbing machine;
the tops of the transmission shaft 8 and the positioning rod 9 are chamfered, so that the pressing plate 10 can be conveniently positioned when inserted;
a magnetic powder brake and a torque and rotation speed sensor are arranged at the top end of a rotating shaft of the pressure plate 10 in the hobbing feeding box 14 and connected with a control device of the numerical control hobbing machine, so that feeding conditions can be fed back in time and the parking position of a gear piece can be ensured.
The utility model discloses a theory of operation is: slewing motor 4 drives revolving stage 3 and rotates ninety degrees anticlockwise at every turn, make four gear hobbing stations 6 be located in proper order under the right-hand member of pressure arm 11, when pressure arm 11 moves down under the drive of elevating system 12, the top that pressure disk 10 aligns transmission shaft 8 and locating lever 9 is pushed down, and compress tightly range upon range of gear piece top, it rotates to drive the dividing worm of gear hobbing feed box 14 through gear feed motor 15, thereby it radially rotates to drive range upon range of gear piece through pressure disk 10, the gear piece radial feed during control cutting, cooperation gear hobbing cutter gear hobbing, slewing motor 4 drives revolving stage 3 and rotates after the hobbing is accomplished, the gear piece uninstallation that is cut on the dorsal gear hobbing station 6 of revolving stage 3, be located the gear piece of waiting the hobbing on the pile up neatly on the left gear hobbing station 6 of revolving stage 3 top surface.
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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A rotary worktable of a numerical control gear hobbing machine comprises a base, a ball slide rail, a rotary table, a rotary motor, a motor gear, a hobbing station, a hobbing swivel base, a transmission shaft, a positioning rod, a pressure plate, a pressure arm, a lifting mechanism, a hobbing feed box and a gear feed motor, and is characterized in that the base is a circular table top with four support legs at the bottom surface, a circle of ball slide rail is concentrically fixed on the top surface of the base, the ball slide rail is of a ring body structure with a semicircular groove at the top surface, the rotary table is placed on the top surface of the base, the rotary table is of a cylinder structure with a circular through hole at the center of the top surface and is concentrically placed on the top surface of the rotary table, an annular groove is arranged at the position of the bottom surface of the rotary table corresponding to the ball slide rail, a house-shaped groove is arranged at the center of the bottom surface of the groove, a plurality of, when the rotary table is placed on the base, the bottom of the groove on the bottom surface of the rotary table is in contact with the top of the ball on the ball slide rail, so that the bottom surface of the rotary table is suspended;
the side surface of the rotary table is provided with gear convex teeth which are meshed with a motor gear, the motor gear is in key connection with an output shaft of a rotary motor, the rotary motor is fixedly connected to the left side of the base through a support, the output shaft of the rotary motor is vertically arranged upwards, and the rotary motor can drive the motor gear to rotate so as to drive the rotary table to rotate intermittently, and rotate ninety degrees anticlockwise each time;
the top surface of the rotary table is provided with four hobbing stations in a circular array, each hobbing station is provided with a hobbing swivel mount, the hobbing stations are of a cuboid structure with a circular through hole in the top surface, a bottom rotating shaft of the hobbing swivel mount is fixedly connected in the circular through hole through a tapered roller bearing, the hobbing swivel mount is of a circular plate-shaped structure with a rotating shaft in the center of the bottom surface, the center of the top surface of the hobbing swivel mount is fixedly connected with a transmission shaft, two cylindrical positioning rods are symmetrically and fixedly connected to the positions, located on two sides of the transmission shaft, of the hobbing swivel mount, and the transmission shaft is of a;
the center of the top surface of the base is provided with a lifting mechanism, the top of a working end telescopic cylinder of the lifting mechanism is fixedly connected with the left end of a pressure arm, the pressure arm is of a cuboid structure, the right end of the pressure arm is provided with a circular rotary seat, a top rotating shaft of a pressure plate is fixedly connected in the circular rotary seat through a bearing, the pressure plate is of a circular plate-shaped structure, the center of the bottom surface of the pressure plate is provided with a spline groove, the center of the top surface of the pressure plate is provided with a rotating shaft, and a;
the gear hobbing machine is characterized in that a gear hobbing feeding box is arranged on the right side of the top of the pressing arm, a top rotating shaft of the pressure plate penetrates through the right side of the pressing arm to extend into the gear hobbing feeding box and is driven to feed through the gear hobbing feeding box, a gear feeding motor is fixedly mounted at the top of the gear hobbing feeding box, and the inner end of an indexing worm of the gear hobbing feeding box and a back-side output shaft of the gear feeding motor are in transmission through a reduction gear box.
2. The numerical control gear hobbing machine rotary table of claim 1, characterized in that the lifting mechanism is composed of a cylinder sleeve, a telescopic cylinder, a threaded sleeve and a screw rod, the cylinder sleeve and the telescopic cylinder are of circular cylindrical structures, the bottom surface of the cylinder sleeve is fixedly connected to the top surface of the base, the top of the telescopic cylinder is fixedly connected to the bottom surface of the left end of the pressure arm, the outer diameter of the telescopic cylinder is equal to the inner diameter of the cylinder sleeve, the telescopic cylinder is slidably connected to the inner wall of the cylinder sleeve, the threaded sleeve is arranged in an inner cavity of the telescopic cylinder on the top surface of the base, the threaded sleeve is a circular cylindrical structure with threads on the inner wall, the screw rod is meshed in the threaded sleeve, the top of the screw rod is fixedly connected to a through hole in the left end of the pressure arm through a tapered roller bearing, and the top end of the.
3. The numerical control gear hobbing machine rotary table according to claim 1, characterized in that the gear hobbing feed box is composed of an indexing feed box, a worm and worm gear transmission mechanism and a reduction gear box, the indexing feed box is of a cuboid structure with a cavity arranged inside, the worm and worm gear transmission mechanism is arranged in the cavity and consists of an indexing worm and a worm gear, the indexing worm is fixedly connected to the front side wall and the rear side wall of the inner cavity of the indexing feed box through bearings, the inner end of the indexing worm penetrates through the indexing feed box to be connected with an output key hole of the reduction gear box at the inner end, and the worm gear is connected to the top end of a rotating shaft of the pressure plate through a worm gear key.
4. The rotary table of a numerically controlled gear hobbing machine according to claim 1, wherein the base is located on the left side of a hobbing cutter of the numerically controlled gear hobbing machine, and the right hobbing station of the turntable is a machining station of the gear hobbing machine.
5. The numerically controlled gear hobbing machine rotary table of claim 1, wherein the tops of the drive shaft and locating bar are chamfered.
6. The rotary table of a numerically controlled gear hobbing machine according to claim 1, characterized in that a magnetic powder brake and a torque rotation speed sensor are arranged at the top end of the rotating shaft of the pressure plate in the hobbing feeding box, and the magnetic powder brake and the torque rotation speed sensor are connected with a control device of the numerically controlled gear hobbing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020363784.5U CN212144821U (en) | 2020-03-20 | 2020-03-20 | Rotary worktable of numerical control gear hobbing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020363784.5U CN212144821U (en) | 2020-03-20 | 2020-03-20 | Rotary worktable of numerical control gear hobbing machine |
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| Publication Number | Publication Date |
|---|---|
| CN212144821U true CN212144821U (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020363784.5U Expired - Fee Related CN212144821U (en) | 2020-03-20 | 2020-03-20 | Rotary worktable of numerical control gear hobbing machine |
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| CN (1) | CN212144821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI798005B (en) * | 2022-02-25 | 2023-04-01 | 鎂金精密企業有限公司 | Indexing device of roller rotary seat interlocking tooth disc |
-
2020
- 2020-03-20 CN CN202020363784.5U patent/CN212144821U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI798005B (en) * | 2022-02-25 | 2023-04-01 | 鎂金精密企業有限公司 | Indexing device of roller rotary seat interlocking tooth disc |
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Granted publication date: 20201215 |