CN212122361U - Turning and milling mechanism on gear scraping machine - Google Patents
Turning and milling mechanism on gear scraping machine Download PDFInfo
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- CN212122361U CN212122361U CN202020815227.2U CN202020815227U CN212122361U CN 212122361 U CN212122361 U CN 212122361U CN 202020815227 U CN202020815227 U CN 202020815227U CN 212122361 U CN212122361 U CN 212122361U
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- 238000003801 milling Methods 0.000 title claims abstract description 91
- 238000007790 scraping Methods 0.000 title claims abstract description 23
- 239000003921 oil Substances 0.000 claims description 45
- 238000007789 sealing Methods 0.000 claims description 18
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 6
- 230000003139 buffering effect Effects 0.000 description 3
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model discloses a turn-milling mechanism on gear scraping machine, including frame and turn-milling device, still be equipped with X axle translation device, Y axle translation device of control turn-milling device along X axle, Y axle translation in the frame, the turn-milling device articulates on the Y flashboard of Y axle translation device, and the turn-milling device can be around the articulated shaft rotation through the relative Y flashboard of rotary device, is equipped with positioner between turn-milling device and Y flashboard to make after the turn-milling device rotated to the position, the turn-milling device is fixed state relative Y flashboard; the turning and milling device comprises a rotating body, a fine adjustment screw rod device arranged in the rotating body and a tool rest body which is connected with the fine adjustment screw rod device and can translate along the Y axis. The utility model discloses carrying out gear machining to the work piece and adding, machining efficiency is high, and stability is good, and off-the-shelf precision is high.
Description
Technical Field
The utility model relates to a scrape turn-milling machine on tooth machine constructs.
Background
The existing gear scraping machine has the problems of low precision, low processing efficiency and the like of a processed gear.
Disclosure of Invention
The utility model discloses solve the current technical problem that the turnning and milling machine on scraping the tooth machine machining efficiency is low.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
the utility model discloses a turn-milling mechanism on gear scraping machine, including frame and turn-milling device, still be equipped with X axle translation device, Y axle translation device of control turn-milling device along X axle, Y axle translation in the frame, the turn-milling device articulates on Y flashboard of Y axle translation device, and the turn-milling device can be around the articulated shaft rotation through the relative Y flashboard of rotary device, is equipped with positioner between turn-milling device and Y flashboard to make after the turn-milling device rotated to the position, the turn-milling device is fixed state relative Y flashboard; the turning and milling device comprises a rotating body, a fine adjustment screw rod device arranged in the rotating body and a tool rest body which is connected with the fine adjustment screw rod device and can translate along the Y axis.
The positioning device comprises an annular groove which is of a T shape and is arranged on a side face of the turning and milling device just opposite to the Y flashboard, and a plurality of positioning structures which are arranged on a rotating body and are matched with the annular groove in a corresponding mode, wherein each positioning structure comprises a shell, a disc spring, an oil cylinder piston rod and a sealing cover, the sealing cover is screwed on the opening end face of the shell, so that the disc spring and the oil cylinder piston rod are always in the shell, one end of the disc spring is abutted to the inner end face of the shell, the other end of the disc spring is abutted to the end face of the oil cylinder piston rod, an oil inlet hole is formed in the sealing cover, oil is injected or discharged through the oil inlet hole, axial movement of the oil cylinder piston rod is achieved, a sliding rod is installed on the oil cylinder piston rod, the sliding rod is provided with a clamping head.
The ring channel includes narrower groove, broad groove and sets up the breach on narrower groove, the thickness in narrower groove is in the interval distance interval within range between screens head and the casing, the breach matches with the screens head.
The oil cylinder piston rod is provided with a guide hole, and one surface of the sealing cover, which is opposite to the oil cylinder piston rod, is provided with a positioning pin correspondingly matched with the guide hole.
The outer end face of the sealing cover is provided with a plurality of locking holes.
The fine setting screw rod device is including setting up lead screw, the spiro union on the lead screw of rotating body and fixing the connecting seat on the lead screw flange, the tool holder body is fixed on the connecting seat, the lead screw passes through the worm gear device and realizes around the axis rotation to drive the tool holder body and reciprocate along the lead screw axis.
The worm and gear device comprises a motor, a worm connected to a rotating shaft of the motor and a worm gear arranged on the screw rod and meshed with the worm.
The tool rest body comprises a seat body, a power shaft is arranged in the seat body, a rotor is arranged on the power shaft, and a stator correspondingly matched with the rotor is arranged in the seat body.
Be equipped with buffer structure between knife rest body and the rotator, buffer structure is including setting up the pressurize hydro-cylinder in the rotator, setting up the connecting block on the knife rest body, the piston rod fixed connection of pressurize hydro-cylinder is on the connecting block.
The rotating device comprises a rotating motor, a driving gear connected with an output shaft of the rotating motor and a driven gear arranged on the hinged shaft, and the driving gear is meshed with the driven gear.
A three-surface guide mechanism is arranged between the tool rest body and the rotating body, the three-surface guide mechanism comprises a left inclined surface and a right inclined surface which are arranged on the rotating body and a middle surface which is connected with the left inclined surface and the right inclined surface, the tool rest body is provided with a plane which is matched and attached with the left inclined surface, the middle surface and the right inclined surface, the left inclined surface, the right inclined surface and the middle surface are respectively provided with an oil groove, and lubricating oil is arranged in the oil groove; the outer sides of the rotating body, which are positioned on the left inclined plane and the right inclined plane, are also provided with a left pressing plate and a right pressing plate, and the left pressing plate and the right pressing plate are correspondingly matched on the left side and the right side of the tool rest body.
The utility model has the advantages that:
compared with the prior art, the turning and milling mechanism on the gear scraping machine of the utility model realizes the left and right and up-and-down movement of the turning and milling device in the X-axis and Y-axis directions through the X-axis translation device and the Y-axis translation device, thereby enabling the power shaft of the tool rest body to rapidly reach the upper part of the workpiece and accurately reach the target position;
compared with the prior art, the turning and milling mechanism on the gear scraping machine of the utility model needs to drive the turning and milling device to rotate through the rotating device when processing gears, and after the turning and milling mechanism rotates to a position, a positioning device is specially designed to ensure the processing precision and stability, so that the rotating body and the Y flashboard are relatively fixed;
compared with the prior art, the turning and milling mechanism on the gear scraping machine of the utility model has the advantages that the cutter frame body realizes the axial movement along the screw rod through the fine adjustment screw rod device, so as to avoid the situation that the stability is poor due to the stall of the cutter frame body during the axial movement, and the buffer structure is added, thereby balancing the impact force brought by the fine adjustment screw rod device;
compared with the prior art, the utility model discloses a scrape turn-milling mechanism on tooth machine has trilateral guiding mechanism between the tool holder body and the rotator, has both avoided the tool holder body to rock the problem about when reciprocating, has avoided the upper and lower both ends tup of tool holder body when reciprocating or the problem of pitching on the head again, has guaranteed the stability of tool holder body when removing.
To sum up, the utility model discloses a scrape turn-milling mechanism on tooth machine carries out gear machining to the work piece and adds man-hour, and machining efficiency is high, and stability is good, and off-the-shelf precision is high.
Drawings
Fig. 1 is a perspective view of an angle of a turn-milling mechanism of the gear shaving machine of the present invention;
fig. 2 is a perspective view of another angle of the turn-milling mechanism of the gear shaving machine of the present invention;
fig. 3 is an exploded perspective view of the turn-milling mechanism of the gear scraping machine of the present invention;
fig. 4 is a perspective view of the turning and milling mechanism of the gear shaving machine of the present invention with the X-axis translation device and the Y-axis translation device removed;
fig. 5 is a perspective view of a turning and milling device of the turning and milling mechanism of the gear scraping machine of the present invention;
fig. 6 is a perspective view of another view angle of the turn-milling device of the turn-milling mechanism of the gear scraping machine of the present invention;
fig. 7 is a rear view of the turn-milling device of the turn-milling mechanism of the gear scraping machine of the present invention;
FIG. 8 is a sectional view A-A of FIG. 7;
fig. 9 is a structural sectional view of the positioning device of the turn-milling mechanism on the gear scraping machine of the present invention in a clamping state;
fig. 10 is a structural sectional view of the positioning device of the turn-milling mechanism of the gear scraping machine according to the present invention in a released state;
fig. 11 is an exploded perspective view of the positioning device of the turn-milling mechanism of the gear shaving machine of the present invention;
fig. 12 is an exploded perspective view of a buffering structure of a turn-milling mechanism of the gear scraping machine of the present invention;
fig. 13 is a perspective view of the turning and milling device of the turning and milling mechanism of the gear shaving machine of the present invention with the holder body removed;
fig. 14 is an exploded perspective view of the fine adjustment screw device of the turning and milling mechanism of the gear scraping machine of the present invention.
Detailed Description
The invention will be described in further detail with reference to the following drawings and detailed description:
referring to fig. 1 to 14, the utility model provides a turn-milling mechanism on a gear scraping machine, which comprises a frame 1 and a turn-milling device 2, wherein the frame 1 is further provided with an X-axis translation device 3 and a Y-axis translation device 4 for controlling the turn-milling device 2 to translate along an X axis and a Y axis, the turn-milling device 2 is hinged on a Y gate 5 of the Y-axis translation device 4, the turn-milling device 2 can rotate around a hinge shaft 7 relative to the Y gate 5 through a rotation device 6, and a positioning device 8 is arranged between the turn-milling device 2 and the Y gate 5, so that the turn-milling device 2 is in a fixed state relative to the Y gate 5 after the turn-milling device 2 rotates in place; the turn-milling device 2 comprises a rotating body 9, a fine adjustment screw rod device 10 arranged in the rotating body 9 and a tool rest body 11 which is connected with the fine adjustment screw rod device 10 and can translate along the Y axis.
The positioning device 8 comprises a T-shaped annular groove 12 arranged on one side surface of the Y gate plate 5 facing the turn-milling device 2, and a plurality of positioning structures 13 arranged on the rotating body 9 and correspondingly matched with the annular groove 12, wherein the number of the positioning structures 13 is 5, the positioning structures are respectively arranged in 5 mounting holes 55 of the rotating body 9, and each positioning structure comprises a shell 14, a disc spring 15, an oil cylinder piston rod 16 and a sealing cover 17, the sealing cover 17 is screwed on the opening end surface of the shell 14, an O-shaped ring 18 is arranged between the sealing cover 17 and the shell 14, so that the disc spring 15 and the oil cylinder piston rod 16 are always sealed in the shell 14, one end of the disc spring 15 abuts against the inner end surface of the shell 14, the other end of the disc spring abuts against the end surface of the oil cylinder piston rod 16, an oil inlet hole 19 is arranged on the sealing cover 17, and the oil injection or oil discharge is carried out on the, a sliding rod 20 is mounted on the oil cylinder piston rod 16, the sliding rod 20 is provided with a clamping head 21, and the clamping head 21 is located in the annular groove 12, so that clamping or loosening of the clamping head 21 and the annular groove 12 is realized.
The annular groove 12 comprises a narrow groove 22, a wide groove 23 and a notch 24 arranged on the narrow groove 22, the thickness D of the narrow groove 22 is within the interval range of the spacing distance D between the position clamping head 21 and the shell 14, the notch 24 is matched with the position clamping head 21, and the notch 24 is used for installing the position clamping head 21, namely: the catch head 21 is inserted from the notch 24 so that the catch head 21 enters the annular groove 12 and so that the catch head 21 fits in the wider groove 23 position and the slide 20 is in the narrower groove 22 position so that movement of the catch head 21 within the annular groove 12 is not disengaged.
The position clamping head 21 is of a flat square structure, and two opposite planes 25 respectively correspond to two side walls of the wider groove 23, so that the oil cylinder piston rod 16 is prevented from rotating.
The oil cylinder piston rod 16 is provided with a guide hole 26, and one surface of the sealing cover 17, which is opposite to the oil cylinder piston rod 16, is provided with a positioning pin 27 correspondingly matched with the guide hole 26. When the cylinder piston rod 16 moves in the axial direction, the positioning pin 27 is matched with the guide hole 26, so that the movement of the cylinder piston rod 16 is more stable.
The outer end face of the sealing cover 17 is provided with a plurality of locking holes 28. When the sealing cover 17 and the shell 14 are installed, a special tool is used for clamping the sealing cover 17 and the shell 14 in the locking hole 28, so that the sealing cover 17 and the shell 14 are fastened in a threaded mode.
The fine adjustment screw rod device 10 comprises a screw rod 29 arranged in the rotating body 9, a screw rod flange 30 screwed on the screw rod 29 and a connecting seat 31 fixed on the screw rod flange 30, the tool rest body 11 is fixed on the connecting seat 31, and the screw rod 29 rotates around an axis through a worm gear device, so that the tool rest body 11 is driven to move up and down along the axis of the screw rod 29.
The worm gear and worm device comprises a motor 32, a worm 33 connected to the rotating shaft of the motor 32 and a worm wheel 34 arranged on the screw 29 and meshed with the worm 33.
The tool rest body 11 comprises a seat body 35, a power shaft 36 is arranged in the seat body 35, a rotor 37 is arranged on the power shaft 36, and a stator 38 correspondingly matched with the rotor 37 is arranged in the seat body 35. During machining, a tool needs to be mounted on the power shaft 36, so that the tool can rotate at a high speed for scraping teeth.
Be equipped with buffer structure between the tool holder body 11 and the rotator 9, buffer structure is including setting up pressurize hydro-cylinder 39 in the rotator 9, setting up the connecting block 40 on the tool holder body 11, the piston rod 41 fixed connection of pressurize hydro-cylinder 39 is on connecting block 40. When the tool rest body 11 moves, the moving acting force of the pressure maintaining oil cylinder 39 of the buffering structure is opposite to the moving acting force of the tool rest body 11 all the time, so that the buffering effect is achieved, and the tool rest body 11 is prevented from stalling.
The rotating means 6 includes a rotating motor (not shown), a driving gear 43 connected to an output shaft of the rotating motor (not shown), and a driven gear 44 provided on the hinge shaft 7, the driving gear 43 being engaged with the driven gear 44.
A three-surface guide mechanism is arranged between the tool holder body 11 and the rotating body 9, the three-surface guide mechanism comprises a left inclined surface 45 and a right inclined surface 46 which are arranged on the rotating body 9, and a middle surface 47 which connects the left inclined surface 45 and the right inclined surface 46, the tool holder body 11 is provided with a plane which is matched and attached with the left inclined surface 45, the middle surface 47 and the right inclined surface 46, oil grooves 48 are respectively arranged on the left inclined surface 45, the right inclined surface 46 and the middle surface 47, and lubricating oil is arranged in the oil grooves 48; the rotating body 9 is further provided with a left pressing plate 49 and a right pressing plate (not shown) at the outer sides of the left inclined surface 45 and the right inclined surface 46, and the left pressing plate 49 and the right pressing plate (not shown) are correspondingly matched with the left side and the right side of the tool holder body 11.
The following is to the working principle of the turning and milling mechanism on the gear scraping machine of the utility model is explained:
the utility model discloses a scrape turn-milling mechanism on tooth machine, X axle translation device 3, Y axle translation device 4 all include motor 51, reduction gear 52, lead screw 53, nut cover 54, and X axle translation device 3 drives the relative frame 1 of base 56 and removes along the X axle, and Y axle translation device 4 is fixed on base 56, and Y axle translation device 4 drives Y flashboard 5 and reciprocates, and turn-milling device 2 sets up on Y flashboard 5.
During operation, the X-axis translation device 3 and the Y-axis translation device 4 enable the turn-milling device 2 to quickly reach the upper part of a workpiece, then the X-axis translation device 3 and the Y-axis translation device 4 stop working, and then the turn-milling device 2 works, specifically: firstly, the rotating device 6 is operated, a rotating motor (not shown in the figure) drives the driving gear 43, the driving gear 43 drives the driven gear 44 to rotate, and since a rotating shaft (i.e. a hinge shaft 7) of the driven gear 44 is fixedly connected with the rotating body 9 of the turn-milling device 2, so as to drive the turn-milling device 2 to rotate integrally around the hinge shaft 7, before the turn-milling device 2 rotates, the rotating body 9 needs to be unlocked relative to the Y gate 5, that is: by injecting oil and pressurizing the oil inlet hole 19, the oil cylinder piston rod 16 presses the disc spring 15 and the oil cylinder piston rod 16 moves along the axial direction, at this time, the slide rod 20 fixed on the oil cylinder piston rod 16 moves outwards, that is, the spacing distance D between the clamping head 21 at the outer end of the slide rod 20 and the end surface of the shell 14 is larger than the thickness D of the narrow groove 22 of the annular groove 12, and the end surface of the shell 14 is matched with the end surface of the rotating body 9, so that the end surface of the rotating body 9 is not attached to the Y gate plate 5 and is in a separated state, so that the turn-milling device 2 can rotate relative to the Y gate plate 5, in order to ensure that the fastening between the rotating body 9 and the Y gate plate 5 is stable, five groups of positioning devices 8 are adopted and scientifically distributed and installed in five installation holes 55 of the rotating body 9, and the oil inlet holes 19 of each positioning device 8 are connected in series, to ensure that the actions of each positioning device 8 are consistent; when a gear is machined, the rotation angle of the turn-milling device 2 generally does not exceed 30 degrees deviated from the central axis, after the turn-milling device 2 rotates by a specified angle to a certain position, the rotating body 9 needs to be fastened relative to the Y gate 5, at this time, oil needs to be returned to the oil inlet 19 of the positioning device 8, at this time, under the elastic force action of the disc spring 15, the cylinder piston rod 16 moves in the opposite direction along the axial direction, so that the spacing distance D between the clamping head 21 and the end surface of the shell 14 is gradually reduced, and the thickness D position of the narrow groove 22 is clamped, that is, the clamping head 21 is close to the end surface of the shell 14, so that the thickness D position of the narrow groove 22 is located between the clamping head 21 and the end surface of the shell 14, so that the rotating body 9 is fixed relative to the Y gate 5, and finally, the fine adjustment screw rod device 10 and: the motor 32 of the fine adjustment screw rod device 10 drives the worm 33 to rotate, because the worm 33 is meshed with the worm wheel 34 arranged on the screw rod 29, the screw rod 29 is driven to rotate, the screw rod 29 is in threaded connection with the screw rod flange 30, and the tool rest body 11 is fixed on the screw rod flange 30 through the connecting seat 31, in this way, the tool rest body 11 moves downwards and upwards along the axial direction of the screw rod 29, namely, the tool rest body 11 moves towards the direction of a workpiece and away from the direction of the workpiece, meanwhile, the X-axis translation device 3 enables the whole turning and milling device 2 to move towards the direction close to the workpiece and away from the direction of the workpiece along the X-axis, so that the tool rest body 11 is in reciprocating motion of scraping tooth tracks, meanwhile, the power shaft 36 of the tool rest body.
The turning and milling mechanism on the gear scraping machine provided by the embodiment of the invention is described in detail, a specific example is applied in the description to explain the principle and the implementation mode of the invention, and the description of the above embodiment is only used for helping to understand the technical scheme disclosed by the invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. The utility model provides a turn-milling mechanism on scraping tooth machine which characterized in that: the automatic turning and milling device comprises a rack and a turning and milling device, wherein the rack is also provided with an X-axis translation device and a Y-axis translation device which are used for controlling the turning and milling device to translate along an X axis and a Y axis, the turning and milling device is hinged on a Y flashboard of the Y-axis translation device, the turning and milling device can rotate around a hinged shaft relative to the Y flashboard through a rotating device, and a positioning device is arranged between the turning and milling device and the Y flashboard, so that the turning and milling device is in a fixed state relative to the Y flashboard after the turning and milling device rotates to a certain position; the turning and milling device comprises a rotating body, a fine adjustment screw rod device arranged in the rotating body and a tool rest body which is connected with the fine adjustment screw rod device and can translate along the Y axis.
2. The turn-milling mechanism on a gear shaving machine according to claim 1, characterized in that: the positioning device comprises an annular groove which is of a T shape and is arranged on a side face of the turning and milling device just opposite to the Y flashboard, and a plurality of positioning structures which are arranged on a rotating body and are matched with the annular groove in a corresponding mode, wherein each positioning structure comprises a shell, a disc spring, an oil cylinder piston rod and a sealing cover, the sealing cover is screwed on the opening end face of the shell, so that the disc spring and the oil cylinder piston rod are always in the shell, one end of the disc spring is abutted to the inner end face of the shell, the other end of the disc spring is abutted to the end face of the oil cylinder piston rod, an oil inlet hole is formed in the sealing cover, oil is injected or discharged through the oil inlet hole, axial movement of the oil cylinder piston rod is achieved, a sliding rod is installed on the oil cylinder piston rod, the sliding rod is provided with a clamping head.
3. The turn-milling mechanism on a gear shaving machine according to claim 2, characterized in that: the ring channel includes narrower groove, broad groove and sets up the breach on narrower groove, the thickness in narrower groove is in the interval distance interval within range between screens head and the casing, the breach matches with the screens head.
4. The turn-milling mechanism on a gear shaving machine according to claim 2, characterized in that: the oil cylinder piston rod is provided with a guide hole, and one surface of the sealing cover, which is opposite to the oil cylinder piston rod, is provided with a positioning pin correspondingly matched with the guide hole.
5. The turn-milling mechanism on a gear shaving machine according to claim 1, characterized in that: the fine setting screw rod device is including setting up lead screw, the spiro union on the lead screw of rotating body and fixing the connecting seat on the lead screw flange, the tool holder body is fixed on the connecting seat, the lead screw passes through the worm gear device and realizes around the axis rotation to drive the tool holder body and reciprocate along the lead screw axis.
6. The turn-milling mechanism on a gear shaving machine according to claim 5, characterized in that: the worm and gear device comprises a motor, a worm connected to a rotating shaft of the motor and a worm gear arranged on the screw rod and meshed with the worm.
7. The turn-milling mechanism on a gear shaving machine according to claim 1 or 5, characterized in that: the tool rest body comprises a seat body, a power shaft is arranged in the seat body, a rotor is arranged on the power shaft, and a stator correspondingly matched with the rotor is arranged in the seat body.
8. The turn-milling mechanism on a gear shaving machine according to claim 1, characterized in that: be equipped with buffer structure between knife rest body and the rotator, buffer structure is including setting up the pressurize hydro-cylinder in the rotator, setting up the connecting block on the knife rest body, the piston rod fixed connection of pressurize hydro-cylinder is on the connecting block.
9. The turn-milling mechanism on a gear shaving machine according to claim 1, characterized in that: the rotating device comprises a rotating motor, a driving gear connected with an output shaft of the rotating motor and a driven gear arranged on the hinged shaft, and the driving gear is meshed with the driven gear.
10. The turn-milling mechanism on a gear shaving machine according to claim 1, characterized in that: a three-surface guide mechanism is arranged between the tool rest body and the rotating body, the three-surface guide mechanism comprises a left inclined surface and a right inclined surface which are arranged on the rotating body and a middle surface which is connected with the left inclined surface and the right inclined surface, the tool rest body is provided with a plane which is matched and attached with the left inclined surface, the middle surface and the right inclined surface, the left inclined surface, the right inclined surface and the middle surface are respectively provided with an oil groove, and lubricating oil is arranged in the oil groove; the outer sides of the rotating body, which are positioned on the left inclined plane and the right inclined plane, are also provided with a left pressing plate and a right pressing plate, and the left pressing plate and the right pressing plate are correspondingly matched on the left side and the right side of the tool rest body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020815227.2U CN212122361U (en) | 2020-05-16 | 2020-05-16 | Turning and milling mechanism on gear scraping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020815227.2U CN212122361U (en) | 2020-05-16 | 2020-05-16 | Turning and milling mechanism on gear scraping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212122361U true CN212122361U (en) | 2020-12-11 |
Family
ID=73668868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020815227.2U Active CN212122361U (en) | 2020-05-16 | 2020-05-16 | Turning and milling mechanism on gear scraping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212122361U (en) |
-
2020
- 2020-05-16 CN CN202020815227.2U patent/CN212122361U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 318050 xialiang village, Jinqing Town, Luqiao District, Taizhou City, Zhejiang Province Patentee after: ZHEJIANG LAOLUNSI MACHINE TOOL Co.,Ltd. Address before: 318059 Ruquan village, Linjia village, Jinqing Town, Luqiao District, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG LAOLUNSI MACHINE TOOL Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Turning milling mechanism on gear scraping machine Effective date of registration: 20210916 Granted publication date: 20201211 Pledgee: Zhejiang Tailong commercial bank Taizhou branch of Limited by Share Ltd. Pledgor: ZHEJIANG LAOLUNSI MACHINE TOOL Co.,Ltd. Registration number: Y2021990000848 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20201211 Pledgee: Zhejiang Tailong commercial bank Taizhou branch of Limited by Share Ltd. Pledgor: Zhejiang Laolunsi Machine Tool Co.,Ltd. Registration number: Y2021990000848 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |