CN111070767B - Automatic charging and forming ejection machine - Google Patents
Automatic charging and forming ejection machine Download PDFInfo
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- CN111070767B CN111070767B CN201911330864.9A CN201911330864A CN111070767B CN 111070767 B CN111070767 B CN 111070767B CN 201911330864 A CN201911330864 A CN 201911330864A CN 111070767 B CN111070767 B CN 111070767B
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- stamping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
- B30B11/04—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space co-operating with a fixed mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/30—Feeding material to presses
- B30B15/302—Feeding material in particulate or plastic state to moulding presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/32—Discharging presses
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses an automatic charging molding ejection machine, which comprises a rack, a stamping mechanism arranged on the rack and used for stamping powdery materials, and a material conveying mechanism which is connected to the rack in a sliding manner and used for adding the powdery materials into the stamping mechanism; the material conveying mechanism comprises a material conveying frame connected to the rack in a sliding mode, a material stirring roller used for stirring the powdery material, a motor fixedly connected to the material conveying frame and capable of driving the material stirring roller to rotate, and a pressing plate fixedly connected to the material conveying frame and matched with the punching mechanism to extrude the powdery material; the stamping mechanism comprises a stamping positioning seat fixedly connected to the rack and a plurality of stamping pistons which are connected in the stamping positioning seat in a sliding manner and driven by a motor to stamp the powdery material; when the motor rotates forwards, the motor drives the stirring roller to rotate; when the motor rotates reversely, the motor drives the stamping piston to move, so that power sources are reduced, and cost is saved.
Description
Technical Field
The invention belongs to the technical field of punching machines, and particularly relates to an automatic charging and forming ejection machine.
Background
When the traditional powdery material punching machine is used, after the powdery material is mixed by the mixing mechanism, the powdery material is pushed forwards and settled in the die cavity, compacted by the bottom cylinder and ejected by the bottom cylinder, and the push plate is pushed out, collected and sorted.
In the process, the mixing, the forward pushing and the bottom cylinder compacting of the powdery materials are driven by respective power sources, so that the power sources are too many, and the cost is increased.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the defects in the prior art, the automatic charging and molding ejection machine with one power source for executing two different operations is provided.
In order to realize the purpose of the invention, the following technical scheme is adopted for realizing the purpose: an automatic charging forming ejection machine comprises a rack, a stamping mechanism which is arranged on the rack and used for stamping powdery materials, and a material conveying mechanism which is connected to the rack in a sliding mode and used for adding the powdery materials into the stamping mechanism.
The material conveying mechanism comprises a material conveying frame, a material stirring roller, a motor and a pressing plate, wherein the material conveying frame is slidably connected to the rack, the material stirring roller is used for stirring powdery materials, the motor is fixedly connected to the material conveying frame and can drive the material stirring roller to rotate, and the pressing plate is fixedly connected to the material conveying frame and matched with the punching mechanism to extrude the powdery materials.
The stamping mechanism comprises a stamping positioning seat fixedly connected to the rack and a plurality of stamping pistons which are connected in the stamping positioning seat in a sliding manner and driven by a motor to stamp powdery materials.
When the motor rotates forwards, the motor drives the stirring roller to rotate.
When the motor rotates reversely, the motor drives the stamping piston to move.
And an electric push rod for driving the material conveying mechanism to move is arranged on the rack.
As an optimization scheme: the output shaft of the motor is connected with a driving gear for driving the stamping piston to move, and a driving disc for driving the stirring roller to rotate; and a ratchet wheel assembly is arranged between the output shaft of the motor and the driving gear and between the output shaft of the motor and the driving disk.
When the motor rotates forwards, the driving disk rotates.
When the motor rotates in reverse, the drive gear rotates.
As an optimization scheme: and driving mechanisms which are driven by a motor and further drive the stamping piston to move are respectively installed on two sides of the inner wall of the rack.
The driving mechanism comprises three working gears which are rotatably connected to the inner wall of the rack and driven by a motor.
Each working gear is a lifting gear for driving the stamping piston to move to the upper limit position, a stamping gear for driving the stamping piston to extrude powdery materials and a reset gear for driving the stamping piston to move to the lower limit position.
When the lifting gear is in transmission connection with the motor, the stamping piston is located at the limit position far away from the material conveying mechanism.
When the stamping gear is in transmission connection with the motor, the stamping piston is positioned under the pressure plate.
When the reset gear is in transmission connection with the motor, the stamping piston is positioned below the stirring roller.
As an optimization scheme: the driving mechanism further comprises a driving frame capable of driving the stamping piston to move.
An L-shaped lifting rack meshed with the lifting gear is formed at the upper end of the driving frame; a lifting positioning shaft is formed at one end of the lifting rack close to the rack; the rack is provided with an L-shaped first sliding chute which is in sliding connection with the lifting positioning shaft.
And a vertically arranged stamping rack capable of being meshed with the stamping gear is formed at the upper end of the driving frame.
A reset rack which is horizontally arranged and can be meshed with the reset gear is formed at the upper end of the driving frame; a reset positioning shaft is formed at one end of the reset rack close to the rack; and a second sliding groove with the same shape as the first sliding groove is formed on the frame.
Compared with the prior art, the invention has the beneficial effects that: in an initial state, the stamping piston is located below the trough, the motor is in transmission connection with the reset gear at the moment, the stamping piston is located at an upper limit position, and the driving frame is located in the positioning chute and the second positioning chute (refer to fig. 2, the conveying frame is located at a left limit position at the moment).
When the invention is used, the motor rotates reversely to drive the reset gear to rotate reversely, so that the reset rack moves, finally the reset rack is separated from the reset gear, and the driving frame moves to the lower limit position under the action of self gravity.
The motor corotation sets for time, and motor drive stirring roller rotates, and stirring roller mixes the powdery material in the silo and breaks up, and the powdery material drops into in the punching groove.
Then the electric push rod pushes the material conveying frame to move for a set distance, the pressing plate moves to the position above the stamping piston, the stamping gear is in transmission connection with the motor at the moment, the motor rotates reversely for a set time, the motor drives the stamping rack to move upwards, and the stamping piston and the lower end of the pressing plate press the powdery material into a plate shape (as shown in figure 2, the material conveying frame is located in the middle of the rack at the moment).
Then the electric push rod pushes the material conveying frame to move, the material conveying frame moves to the limit position where the stamping piston is far away from the material conveying mechanism, at the moment, the lifting gear is in transmission connection with the motor, the motor drives the driving frame to move to the upper limit position along the first sliding groove, the stamping piston pushes the plate-shaped material out of the stamping groove, and the driving frame is kept at the upper limit position (refer to fig. 2, at the moment, the material conveying frame is located at the right limit position).
Then the electric push rod drives the material conveying frame to move, so that the stamping piston moves to the lower part of the material groove, in the process, the plate-shaped material pushed out by the stamping piston is abutted against the side wall of the pressing plate and falls into the collecting box, and finally the initial state is recovered so as to carry out next stamping.
The rack is provided with a controller; the motor and the electric push rod are respectively and electrically connected with the controller, and the controller can be a conventional PLC controller.
The controller controls the working time of the motor or the electric push rod, and further controls each part to reach the required position.
The invention drives the stirring roller by controlling the motor to rotate forwards, so that the powdery material can conveniently enter the punching groove; and the stamping piston is driven to move longitudinally by controlling the motor to rotate reversely so as to perform stamping.
According to the invention, the material conveying mechanism is positioned at different positions, so that the motor drives the lifting gear, the stamping gear or the reset gear to rotate, and the stamping piston is positioned at the upper limit position, is positioned in a stamping state for the powdery material and is restored to the lower limit position.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
Fig. 3 is an enlarged schematic view of the portion a of fig. 2 according to the present invention.
Fig. 4 is a schematic structural view of the driving mechanism of the present invention.
Fig. 5 and 6 are schematic exploded structural views of the driving mechanism of the present invention.
Fig. 7 is an enlarged schematic view of the portion B of fig. 6 according to the present invention.
Fig. 8 is a schematic structural view of embodiment 2 of the present invention.
1. A frame; 11. a first chute; 111. a lifting chute; 112. positioning the chute; 113. a sliding wall; 12. a second chute;
2. a material conveying mechanism; 21. a material conveying frame; 211. a gear carriage; 22. a material conveying cover; 23. a motor; 231. a drive gear; 24. a material stirring roller; 25. a compression plate; 26. an electric push rod;
3. a stamping mechanism; 31. punching a positioning seat; 32. stamping a piston; 33. a piston drive plate;
41. lifting the gear; 42. stamping a gear; 43. a reset gear; 44. a driving frame; 441. lifting the rack; 4411. lifting the positioning shaft; 442. stamping a rack; 443. resetting the rack; 4431. resetting the positioning shaft; 444. a drive plate slide slot;
51. a transmission gear rotating frame; 52. a transmission gear; 53. a tension spring.
Detailed Description
Example 1
Referring to fig. 1 to 7, the automatic charge molding ejection machine according to the present embodiment includes a frame 1, a stamping mechanism 3 mounted on the frame for stamping a powdery material, and a feeding mechanism 2 slidably connected to the frame for feeding the powdery material into the stamping mechanism.
The material conveying mechanism comprises a material conveying frame 21 connected to the rack in a sliding mode, a material stirring roller 24 used for stirring the powdery material, a motor 23 fixedly connected to the material conveying frame and capable of driving the material stirring roller to rotate, and a pressing plate 25 fixedly connected to the material conveying frame and matched with the punching mechanism to extrude the powdery material.
A material groove for containing powdery materials is formed in the material conveying frame, and the material stirring roller is rotatably connected in the material groove; the upper end of the trough is fixedly connected with a material conveying cover 22.
The stamping mechanism comprises a stamping positioning seat 31 fixedly connected to the rack and a plurality of stamping pistons 32 which are connected in the stamping positioning seat in a sliding manner and driven by a motor to stamp powdery materials.
The lower end of the pressing plate is flush with the upper end of the stamping positioning seat.
The stamping mechanism further comprises a piston driving plate 33 which is connected below the stamping positioning seat in a sliding mode and fixedly connected with each stamping piston.
When the motor rotates forwards, the motor drives the stirring roller to rotate.
When the motor rotates reversely, the motor drives the stamping piston to move.
An electric push rod 26 for driving the material conveying mechanism to move is arranged on the frame.
A stamping groove in sealing sliding connection with the stamping piston is formed in the stamping positioning seat; when the stamping piston is positioned in the stamping groove, a groove body for storing the powdery material is formed between the stamping piston and the stamping groove.
When the pressing plate moves to the upper end of the punching groove, the punching piston ascends to punch the powdery material into a plate shape.
The output shaft of the motor is connected with a driving gear 231 for driving the stamping piston to move and a driving disc for driving the stirring roller to rotate; and a ratchet wheel assembly is arranged between the output shaft of the motor and the driving gear and between the output shaft of the motor and the driving disk.
The driving disc is connected with the stirring roller through a synchronous belt in a transmission way.
When the motor corotation, the driving-disc rotates, and then drives and stirs the material roller and rotate, mixes the powdery material of breaking up in the silo, is convenient for get into in the punching press inslot.
When the motor rotates reversely, the driving gear rotates to drive the stamping piston to move.
And driving mechanisms which are driven by a motor and further drive the stamping piston to move are respectively installed on two sides of the inner wall of the rack.
The driving mechanism comprises three working gears which are rotationally connected with the inner wall of the rack and driven by a motor; at most one working gear is in transmission connection with the motor at the same time.
Each of the working gears is a lifting gear 41 for driving the ram piston to move to an upper limit position, a ram gear 42 for driving the ram piston to press the powdery material, and a return gear 43 for driving the ram piston to move to a lower limit position.
When the stamping piston is located at the upper limit position, the upper end of the stamping piston is flush with the upper end of the stamping positioning seat.
When the lifting gear is in transmission connection with the motor, the stamping piston is located at the limit position far away from the material conveying mechanism.
When the stamping gear is in transmission connection with the motor, the stamping piston is positioned under the pressure plate.
When the reset gear is in transmission connection with the motor, the stamping piston is located below the stirring roller and is opposite to the trough.
The drive mechanism further includes a drive rack 44 capable of driving the ram piston to move.
The driving frame is provided with a driving plate sliding groove 444 which is in sliding connection with the piston driving plate along the motion direction of the material conveying mechanism, so that when the driving frame is lifted, the driving frame can drive the piston driving plate and the stamping piston to lift together, and when the driving frame moves horizontally, the piston driving plate cannot move horizontally.
An L-shaped lifting rack 441 meshed with the lifting gear is formed at the upper end of the driving frame; a lifting positioning shaft 4411 is formed at one end of the lifting rack close to the rack; the rack is provided with an L-shaped first sliding chute 11 which is connected with the lifting positioning shaft in a sliding way.
The first sliding chute comprises a vertically arranged lifting sliding chute and a horizontally arranged positioning sliding chute positioned at the upper end of the lifting sliding chute; an arc-shaped sliding wall 113 is formed between the lifting chute and the positioning chute.
When the lifting gear is connected with the motor in a transmission mode, the motor drives the lifting gear to rotate reversely, so that the lifting rack moves along the first sliding groove, the driving frame rises along the lifting sliding groove for a fixed distance and then enters the positioning sliding groove, and the driving frame cannot move downwards due to self gravity.
The upper end of the driving frame is formed with a vertically arranged punching rack 442 which can be meshed with the punching gear.
When the lifting positioning shaft is positioned in the lifting sliding groove, the stamping rack is meshed with the stamping gear.
When the lifting positioning shaft is positioned in the positioning sliding groove, the stamping rack is separated from the stamping gear.
When the stamping gear is in transmission connection with the motor, the motor drives the stamping gear to rotate reversely, so that the stamping rack moves upwards to stamp powdery materials on the stamping piston.
A reset rack 443 which is horizontally arranged and can be meshed with the reset gear is formed at the upper end of the driving frame; a reset positioning shaft 4431 is formed at one end of the reset rack close to the rack; a second chute 12 with the same shape as the first chute is formed on the frame.
The second sliding chute comprises a second lifting sliding chute, a second positioning sliding chute and a second sliding wall which are vertically arranged; and a positioning rod is formed between one end of the reset rack and the driving frame.
When the lifting positioning shaft is positioned in the positioning sliding groove, the resetting positioning shaft is positioned in the second positioning sliding groove, and the resetting rack is meshed with the resetting gear.
When the reset gear is in transmission connection with the motor, the motor drives the reset gear to rotate, so that the reset rack moves; when the reset rack moves to be separated from the reset gear, the reset positioning shaft abuts against the second sliding wall, and the lifting positioning shaft abuts against the sliding wall; when the reset rack moves to be separated from the reset gear, the reset positioning shaft enters the second lifting chute and moves to abut against the lower end of the second lifting chute under the action of the gravity of the driving frame, the lifting positioning shaft enters the lifting chute and moves to abut against the lower end of the lifting chute, and the driving frame descends to the limit position below.
And a collecting box for receiving the punched materials is arranged at the lower part of the rack.
In an initial state, the stamping piston is located below the trough, the motor is in transmission connection with the reset gear at the moment, the stamping piston is located at an upper limit position, and the driving frame is located in the positioning chute and the second positioning chute (refer to fig. 2, the conveying frame is located at a left limit position at the moment).
When the invention is used, the motor rotates reversely to drive the reset gear to rotate reversely, so that the reset rack moves, finally the reset rack is separated from the reset gear, and the driving frame moves to the lower limit position under the action of self gravity.
The motor corotation sets for time, and motor drive stirring roller rotates, and stirring roller mixes the powdery material in the silo and breaks up, and the powdery material drops into in the punching groove.
Then the electric push rod pushes the material conveying frame to move for a set distance, the pressing plate moves to the position above the stamping piston, the stamping gear is in transmission connection with the motor at the moment, the motor rotates reversely for a set time, the motor drives the stamping rack to move upwards, and the stamping piston and the lower end of the pressing plate press the powdery material into a plate shape (as shown in figure 2, the material conveying frame is located in the middle of the rack at the moment).
Then the electric push rod pushes the material conveying frame to move, the material conveying frame moves to the limit position where the stamping piston is far away from the material conveying mechanism, at the moment, the lifting gear is in transmission connection with the motor, the motor drives the driving frame to move to the upper limit position along the first sliding groove, the stamping piston pushes the plate-shaped material out of the stamping groove, and the driving frame is kept at the upper limit position (refer to fig. 2, at the moment, the material conveying frame is located at the right limit position).
Then the electric push rod drives the material conveying frame to move, so that the stamping piston moves to the lower part of the material groove, in the process, the plate-shaped material pushed out by the stamping piston is abutted against the side wall of the pressing plate and falls into the collecting box, and finally the initial state is recovered so as to carry out next stamping.
The rack is provided with a controller; the motor and the electric push rod are respectively and electrically connected with the controller, and the controller can be a conventional PLC controller.
The controller controls the working time of the motor or the electric push rod, and further controls each part to reach the required position.
The invention drives the stirring roller by controlling the motor to rotate forwards, so that the powdery material can conveniently enter the punching groove; and the stamping piston is driven to move longitudinally by controlling the motor to rotate reversely so as to perform stamping.
According to the invention, the material conveying mechanism is positioned at different positions, so that the motor drives the lifting gear, the stamping gear or the reset gear to rotate, and the stamping piston is positioned at the upper limit position, is positioned in a stamping state for the powdery material and is restored to the lower limit position.
The principle and the specific circuit structure of the controller for controlling the motor and the electric push rod to work are both easy to realize in the prior art, and are not described in detail herein.
Example 2
According to fig. 8, the present embodiment is modified from embodiment 1 as follows: a gear sliding frame 211 is formed at the position of the side wall of the rack below the driving gear; a transmission gear rotating frame 51 is connected to the gear sliding frame in a sliding mode along the moving direction of the material conveying frame; the transmission gear rotating frame can only slide along the moving direction of the material conveying frame.
A transmission gear 52 is rotatably connected to the transmission gear rotating frame; the driving gear can be meshed with the transmission gear; each working gear can be meshed with the transmission gear; the driving gear drives each working gear to rotate through the transmission gear.
And a tension spring 53 is fixedly connected between the transmission gear rotating frame and the gear sliding frame.
When the stamping piston is positioned at the limit position far away from the material conveying mechanism, the lifting gear, the transmission gear and the driving gear are sequentially meshed and in transmission connection under the action of the tension spring; when the motor rotates reversely, the driving frame moves along the first sliding groove.
When the driving frame moves to the limit position in the positioning sliding chute, the driving frame cannot move continuously, the lifting gear cannot rotate continuously, the motor continues to drive the driving gear to rotate reversely, the driving gear generates thrust to the transmission gear, and when the thrust is greater than the tension of the tension spring, the transmission gear moves in the direction far away from the driving gear, so that the transmission gear is separated from the driving gear; when the transmission gear is separated from the driving gear, the thrust force disappears, the transmission gear is meshed with the driving gear again under the action of the tension spring, the driving gear pushes the transmission gear again, and finally the transmission gear performs reciprocating movement and is meshed with the driving gear intermittently, so that the driving gear cannot continue to drive the lifting gear to rotate, and the phenomenon that the lifting gear and the driving gear cannot rotate to cause the motor to stop rotating after the driving frame cannot move is avoided.
Claims (1)
1. An automatic charging molding ejection machine comprises a frame, a stamping mechanism arranged on the frame and used for stamping powdery materials, and a material conveying mechanism which is connected to the frame in a sliding manner and used for adding the powdery materials into the stamping mechanism; the method is characterized in that:
the material conveying mechanism comprises a material conveying frame, a material stirring roller, a motor and a pressing plate, wherein the material conveying frame is connected to the rack in a sliding mode, the material stirring roller is used for stirring powdery materials, the motor is fixedly connected to the material conveying frame and can drive the material stirring roller to rotate, and the pressing plate is fixedly connected to the material conveying frame and matched with the punching mechanism to extrude the powdery materials;
the stamping mechanism comprises a stamping positioning seat fixedly connected to the rack and a plurality of stamping pistons which are connected in the stamping positioning seat in a sliding manner and driven by a motor to stamp powdery materials;
when the motor rotates forwards, the motor drives the stirring roller to rotate;
when the motor rotates reversely, the motor drives the stamping piston to move;
an electric push rod for driving the material conveying mechanism to move is arranged on the rack;
the output shaft of the motor is connected with a driving gear for driving the stamping piston to move, and a driving disc for driving the stirring roller to rotate; a ratchet wheel assembly is arranged between the output shaft of the motor and the driving gear and between the output shaft of the motor and the driving disk;
when the motor rotates forwards, the driving disc rotates;
when the motor rotates reversely, the driving gear rotates;
two sides of the inner wall of the rack are respectively provided with a driving mechanism which is driven by a motor to drive the stamping piston to move;
the driving mechanism comprises three working gears which are rotationally connected with the inner wall of the rack and driven by a motor;
each working gear is a lifting gear for driving the stamping piston to move to an upper limit position, a stamping gear for driving the stamping piston to extrude powdery materials and a reset gear for driving the stamping piston to move to a lower limit position;
when the lifting gear is in transmission connection with the motor, the stamping piston is positioned at the limit position far away from the material conveying mechanism;
when the stamping gear is in transmission connection with the motor, the stamping piston is positioned right below the pressing plate;
when the reset gear is in transmission connection with the motor, the stamping piston is positioned below the stirring roller;
the driving mechanism also comprises a driving frame capable of driving the stamping piston to move;
an L-shaped lifting rack meshed with the lifting gear is formed at the upper end of the driving frame; a lifting positioning shaft is formed at one end of the lifting rack close to the rack; an L-shaped first sliding groove which is connected with the lifting positioning shaft in a sliding manner is formed on the rack;
a vertically arranged stamping rack which can be meshed with the stamping gear is formed at the upper end of the driving frame;
a reset rack which is horizontally arranged and can be meshed with the reset gear is formed at the upper end of the driving frame; a reset positioning shaft is formed at one end of the reset rack close to the rack; and a second sliding groove with the same shape as the first sliding groove is formed on the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911330864.9A CN111070767B (en) | 2019-12-21 | 2019-12-21 | Automatic charging and forming ejection machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911330864.9A CN111070767B (en) | 2019-12-21 | 2019-12-21 | Automatic charging and forming ejection machine |
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| Publication Number | Publication Date |
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| CN111070767A CN111070767A (en) | 2020-04-28 |
| CN111070767B true CN111070767B (en) | 2021-11-09 |
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| CN115283673B (en) * | 2022-10-10 | 2023-06-30 | 江苏汉诺威铸业有限公司 | Stamping equipment for machining coupler |
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| BE569198A (en) * | 1957-07-12 | |||
| US3238865A (en) * | 1963-09-19 | 1966-03-08 | Aquila D Mast | Apparatus for pelletizing particulate material |
| CN2838937Y (en) * | 2005-09-17 | 2006-11-22 | 郭富卿 | A kind of pressure mill |
| CN1976173A (en) * | 2006-12-13 | 2007-06-06 | 卢能晓 | Double-outputting torque speed reducing electric machine |
| CN102152156A (en) * | 2011-03-07 | 2011-08-17 | 大连佐佐木专用设备制造有限公司 | Transmission gear converting one input into two outputs |
| CN203548713U (en) * | 2013-09-12 | 2014-04-16 | 代傲电子控制（南京）有限公司 | Power transmission device and drive device |
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Effective date of registration: 20211022 Address after: 252000 Room 201, building 106, Baililai Industrial Park, Beixin East Ring Road, Hunan Road, high tech Zone, Liaocheng City, Shandong Province Applicant after: Liaocheng Longtai laser equipment Co.,Ltd. Address before: No. 206, Shunhe street, Shunhe Township, Yongqiao District, Suzhou City, Anhui Province Applicant before: Wu Libao |
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