CN111136714A - Efficient feeding and discharging device of lens cutting machine - Google Patents
Efficient feeding and discharging device of lens cutting machine Download PDFInfo
- Publication number
- CN111136714A CN111136714A CN202010095761.5A CN202010095761A CN111136714A CN 111136714 A CN111136714 A CN 111136714A CN 202010095761 A CN202010095761 A CN 202010095761A CN 111136714 A CN111136714 A CN 111136714A
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- lens
- linear
- vertical
- tray
- material pushing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
- B26D7/0608—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by pushers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
- B26D7/0625—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by endless conveyors, e.g. belts
- B26D7/0633—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by endless conveyors, e.g. belts by grippers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/27—Means for performing other operations combined with cutting
- B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D2007/0012—Details, accessories or auxiliary or special operations not otherwise provided for
- B26D2007/0018—Trays, reservoirs for waste, chips or cut products
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- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packaging Frangible Articles (AREA)
Abstract
The invention provides a high-efficiency loading and unloading device of a lens cutting machine, which comprises a mechanical arm mechanism, a material pushing mechanism and a material storing mechanism, wherein the mechanical arm mechanism is connected with the material pushing mechanism; the mechanical arm mechanism is used for sequentially taking the lens blanks from a reserved material taking position in the material pushing mechanism to feed materials, and feeding the cut lens finished products to the material storage mechanism; the material pushing mechanism is used for stacking a plurality of lens blanks and sequentially moving the lens blanks to a preset material taking position; this application has accomplished the function of unloading the lens on the automation in the cutting lens operation flow through mechanical arm mechanism, pushing equipment and storage mechanism three cooperate to replace the artifical unloading of accomplishing the lens, improve work efficiency, reduce the cost of labor. This application has the off-the-shelf storage mechanism of lens that possesses, makes things convenient for the off-the-shelf storage of lens and takes out.
Description
Technical Field
The invention relates to the field of lens cutting, in particular to a high-efficiency loading and unloading device of a lens cutting machine.
Background
In recent years, the production of spectacle lenses with various shapes mainly adopts a process of cutting and grinding, and the low-grade spectacle lenses mainly adopt the traditional manual copying machine and a single-spindle numerical control lathing machine at present, and adopt a mode of manually feeding to a lens cutting workbench and manually blanking; the existing feeding and discharging work cannot be automated, the labor cost is high, and the efficiency is low; therefore, a device capable of automatically feeding lens blanks and automatically discharging lens finished products needs to be developed.
Disclosure of Invention
The invention provides a high-efficiency loading and unloading device of a lens cutting machine. The automatic feeding and discharging device aims at solving the problems that feeding and discharging work cannot be automated, labor cost is high and efficiency is low in cutting operation of low-grade glasses lenses.
In order to solve the technical problems, the invention adopts the following technical measures:
a high-efficiency loading and unloading device of a lens cutting machine comprises a mechanical arm mechanism, a material pushing mechanism and a material storing mechanism.
The mechanical arm mechanism is used for sequentially taking the lens blanks out from a reserved material taking position in the material pushing mechanism to feed the materials, and feeding the cut lens finished products to the material storage mechanism.
The material pushing mechanism is used for stacking and placing a plurality of lens blanks and sequentially moving the lens blanks to a predetermined material taking position.
Wherein, the manipulator mechanism includes:
the vacuum suction nozzle is used for adsorbing or releasing the lens;
the vertical driver is used for driving the vacuum suction nozzle to move up and down;
the linear driver is used for driving the vertical driver to do linear motion in the horizontal direction;
and the rotary driver is used for driving the linear driver to rotate on a horizontal plane.
The invention can be further perfected by the following technical measures:
as a further improvement, the pushing mechanism comprises a pushing shell, the pushing shell is provided with a vertical cavity for limiting the lens blank to vertically move in the pushing shell, and the upper part of the vertical cavity is provided with a preset material taking position for a feeding manipulator to take materials; the driving unit is used for pushing the lens blank to move up and down in the vertical cavity; the detection unit is in signal connection with the driving unit and used for detecting whether a lens blank exists at a preset material taking position or not and transmitting a signal which does not detect the lens blank to the driving unit, and the driving unit drives the lens blank to move upwards by the distance of the thickness of the lens blank at a single time.
As a further improvement, the driving unit comprises a PLC controller, a stepping motor, a ball screw assembly and a lens tray, and the lens tray is used for supporting a lens blank located in the vertical cavity; the stepping motor is used for controlling the lens tray to move up and down in the vertical cavity through the ball screw assembly; and the PLC is used for controlling the working state of the stepping motor according to the signal.
As a further improvement, the device also comprises a first limit sensor and a second limit sensor; the upward movement limit position of the preset lens tray in the vertical cavity is defined as a first limit position, and the downward movement limit position of the preset lens tray in the vertical cavity is defined as a second limit position.
The first limiting sensor is used for detecting whether the lens tray is located at a first limiting position or not, and sending a signal for detecting that the lens tray is located at the first limiting position to the driving unit, so that the driving unit does not drive the lens tray to move upwards any more.
The second limit sensor is used for detecting whether the lens tray is located at a second limit position or not and sending a signal for detecting that the lens tray is located at the second limit position to the driving unit so that the driving unit can not drive the lens tray to move downwards any more.
As a further improvement, when the lens tray is located at the first limit position, the lens blank on the lens tray is just located at a preset material taking position; the distance difference between the first limit position and the second limit position is integral multiple of the thickness of the lens blank.
As a further improvement, the material pushing shell is internally provided with two vertical cavities side by side, the detection unit is provided with an optical fiber amplifier and a sensing receiving end which are arranged on two sides of the vertical cavities, and the upper part of the material pushing shell is provided with a notch for mutual sensing between the optical fiber amplifier and the sensing receiving end.
As a further improvement, two groups of vacuum suction nozzles are arranged on the driving end of the vertical driver, and the two groups of vacuum suction nozzles are arranged corresponding to the two vertical cavities.
As a further improvement, the pushing mechanism has two pushing mechanisms; two sides of the driving end of the linear driver are respectively provided with a vertical driver; the vacuum suction nozzles of the two vertical drivers are used for respectively taking materials from the two material pushing mechanisms; the storage mechanism is provided with two symmetrically arranged storage boxes, and the two storage boxes are used for storing two lens finished products discharged by the vertical driver.
As a further improvement, the storage mechanism comprises a rotary cylinder, a rotary disc and four storage boxes arranged on the rotary disc, and the four storage boxes are symmetrically arranged in pairs. Two storage boxes which are symmetrically arranged are defined as a group of storage boxes, and the rotary cylinder is used for rotating the rotary disc so that one group of empty storage boxes replaces the other group of storage boxes to receive the lens finished products which are discharged.
As a further improvement, the linear actuator comprises a linear guide rail, a linear long rod and a linear cylinder, the linear guide rail is arranged on the driving end of the rotary actuator, the linear long rod is in sliding fit with the linear guide rail, and the linear cylinder is used for driving the linear long rod to slide relative to the linear guide rail.
Compared with the prior art, the invention has the following advantages:
this application has accomplished the function of unloading the lens on the automation in the cutting lens operation flow through mechanical arm mechanism, pushing equipment and storage mechanism three cooperate to replace the artifical unloading of accomplishing the lens, improve work efficiency, reduce the cost of labor.
The storage mechanism is provided with the storage mechanism for the finished lens products, so that the finished lens products can be conveniently stored and taken out; and the manipulator mechanism of this application comprises vacuum suction nozzle, vertical driver, linear actuator and rotary actuator to the flexibility of its manipulator is high, can adapt to most numerical control lens car mascerating machine at present.
In addition, the feeding and discharging device is low in cost and convenient to assemble and use.
Furthermore, the pushing mechanism adopts a pushing shell with a vertical cavity to place the lens blanks, so that the space is saved, and a plurality of lens blanks can be vertically placed. Whether a lens blank exists at a preset material taking position is detected by using the detection unit, a signal that the lens blank is not detected is transmitted to the driving unit, and the driving unit drives the lens blank to move upwards by the distance of one lens blank thickness at a time, so that the effect of accurate automatic material pushing is achieved.
Drawings
Fig. 1 is a schematic structural diagram of a first view angle of a high-efficiency loading and unloading device of a lens cutting machine according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a second view angle of the efficient loading and unloading device of the lens cutting machine according to the embodiment of the invention;
FIG. 3 is a schematic structural diagram of a manipulator mechanism of a cutting machine according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a pushing mechanism of the cutting machine according to the embodiment of the invention;
FIG. 5 is a schematic view of the pusher housing of FIG. 4;
fig. 6 is a schematic configuration diagram of a driving unit of the pusher mechanism in fig. 4.
Description of the main elements
A material pushing mechanism 1, a material pushing shell 11, a vertical cavity 111,
The device comprises a driving unit 12, a stepping motor 122, a ball screw assembly 123, a lens tray 124, a first limit sensor 13, a second limit sensor 14, a detection plate 15, an optical fiber amplifier 161 and a sensing receiving end 162. A manipulator mechanism 2, a vacuum suction nozzle 21, a vertical driver 22, a linear driver 23, a rotary driver 24, a linear guide rail 231, a linear long rod 232, a linear air cylinder 233,
The storage mechanism 3, a rotary cylinder 31, a rotary disc 32 and a storage box 33.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 6, an efficient loading and unloading device for a lens cutting machine includes a manipulator mechanism 2, a material pushing mechanism 1 and a material storing mechanism 3.
The mechanical arm mechanism 2 is used for sequentially taking the lens blanks out of the reserved material taking positions in the material pushing mechanism 1 to feed the lens blanks, and feeding the cut lens finished products to the material storage mechanism 3.
The material pushing mechanism 1 is used for stacking and placing a plurality of lens blanks and sequentially moving the lens blanks to a predetermined material taking position.
Wherein, the manipulator mechanism includes:
a vacuum nozzle 21 for sucking or releasing the lens;
a vertical driver 22 for driving the vacuum suction nozzle 21 to move up and down;
the linear driver 23 is used for driving the vertical driver 22 to do linear motion in the horizontal direction;
and the rotary driver 24 is used for driving the linear driver 23 to rotate on the horizontal plane.
This application has accomplished the function of unloading the lens on the automation in the cutting lens operation flow through mechanical hand mechanism 2, pushing equipment 1 and the cooperation of 3 three of storage mechanism to replace the artifical unloading of accomplishing the lens, improve work efficiency, reduce the cost of labor.
The storage mechanism 3 with the finished lens products is provided, so that the finished lens products can be conveniently stored and taken out; and the manipulator mechanism 2 of this application comprises vacuum suction nozzle 21, vertical driver 22, linear actuator 23 and rotary actuator 24 to the flexibility of its manipulator is high, can adapt to most numerical control lens car mascerating machine at present.
In addition, the feeding and discharging device is low in cost and convenient to assemble and use.
A pushing mechanism 1 for automatically feeding lenses comprises a pushing shell 11, a driving unit 12 and a detection unit.
The material pushing device comprises a material pushing shell 11, wherein the material pushing shell 11 is provided with a vertical cavity 111 used for limiting the lens blank to vertically move in the vertical cavity, and the upper part of the vertical cavity 111 is provided with a preset material taking position for a feeding manipulator to take materials.
And the driving unit 12 is used for pushing the lens blank to move up and down in the vertical cavity 111.
The detection unit is in signal connection with the driving unit 12 and used for detecting whether a lens blank exists at a preset material taking position or not and transmitting a signal which does not detect the lens blank to the driving unit, and the driving unit drives the lens blank to move upwards by the distance of the thickness of one lens blank at a time.
By adopting the material pushing shell 11 with the vertical cavity 111 to place the lens blanks, the space is saved, and a plurality of lens blanks can be vertically placed. Whether a lens blank exists at a preset material taking position is detected by using a detection unit, a signal that the lens blank is not detected is transmitted to the driving unit 12, and the driving unit 12 drives the lens blank to move upwards by the distance of one lens blank thickness at a time, so that the effect of accurate automatic material pushing is achieved.
The driving unit 12 includes a PLC controller, a stepping motor 122, a ball screw assembly 123, and a lens tray 124, and the lens tray 124 is used for holding a lens blank located in the vertical cavity 111; the stepping motor 122 is used for controlling the lens tray to move up and down in the vertical cavity 111 through the ball screw assembly 123; the PLC controller is configured to control a working state of the stepping motor 122 according to a signal.
The device also comprises a first limit sensor 13 and a second limit sensor 14; defining an upper limit position of the preset lens tray 124 in the vertical cavity 111 as a first limit position, and defining a lower limit position of the preset lens tray 124 in the vertical cavity 111 as a second limit position; the first limit sensor 13 is used for detecting whether the lens tray 124 is located at the first limit position, and sending a signal for detecting that the lens tray 124 is located at the first limit position to the driving unit, so that the driving unit 12 does not drive the lens tray to move upwards any more.
The second limit sensor 14 is used for detecting whether the lens tray 124 is located at the second limit position, and sending a signal for detecting that the lens tray 124 is located at the second limit position to the driving unit, so that the driving unit 12 does not drive the lens tray to move downwards any more.
The first limit sensor 13 and the second limit sensor 14 are adopted, so that instrument damage or other problems caused by excessive movement of the driving unit 12 are prevented.
When the lens tray 124 is in the first limit position, the lens blank on the lens tray 124 is located at the predetermined picking position. The distance difference between the first limit position and the second limit position is integral multiple of the thickness of the lens blank. Therefore, in the application, the distance difference between the first limit position and the second limit position is an integral multiple of the thickness of the lens blank, so that the lens can be conveniently placed and taken; the positioning is accurate and the use is good.
The ball assembly 123 comprises a vertical screw rod, a nut seat and a vertical guide rail; the nut seat is in sliding fit with the vertical guide rail and in threaded fit with the vertical screw rod, the lens tray 124 is fixedly connected with the nut seat, and the stepping motor 122 is used for driving the vertical screw rod to rotate so as to move the lens tray 124 up and down.
Further, a vertical opening is formed in the side wall of the vertical cavity 111, the vertical guide rail and the nut seat are located outside the material pushing shell 11, one end of the lens tray 124 is fixedly arranged on the nut seat, and the other end of the lens tray extends into the vertical cavity 111 to lift the lens.
The first limit sensor 13 and the second limit sensor 14 are disposed on the outer side wall of the material pushing housing 11.
The nut seat is provided with a detection plate 15, the detection plate 15 is used for moving up and down along with the nut seat, and is in induction fit with the first limit sensor 13 or the second limit sensor 14 when passing through the first limit sensor 13 or the second limit sensor 14.
Further, in this application the detecting unit includes optical fiber amplifier 161 and response receiving terminal 162, just the upper portion of pushing away material casing 11 is equipped with the breach that supplies mutual induction between optical fiber amplifier 161 and the response receiving terminal 162, not only can be accurate detect, can also let the lens blank get the material position, also protected by pushing away material casing, be difficult to drop.
Two vertical cavities 111 are arranged in the material pushing shell 11 side by side, and the optical fiber amplifier 161 and the sensing receiving end 162 are arranged on two sides of the two vertical cavities 111. Two vertical cavities 111 can adorn more lens blanks, and convenient while material loading improves the operating efficiency.
In the present embodiment, the pushing mechanism 1 has two, and the vacuum suction nozzle 21 has four corresponding to the pushing mechanism 1. Referring to fig. 3, for the structural flexibility, in the present embodiment, two vertical drivers 22 are adopted, and each vertical driver 22 is provided with two vacuum suction nozzles 21.
The linear actuator 23 comprises a linear guide rail 231, a linear long rod 232 and a linear air cylinder 233, the linear guide rail 231 is arranged at the driving end of the rotary actuator 24, the linear long rod 232 is in sliding fit with the linear guide rail 231, and the linear air cylinder 233 is used for driving the linear long rod 232 to slide relative to the linear guide rail 231. The linear driver 23 is ingenious in design, flexible in rotation and stable in structure, and is an innovative design of the inventor.
Wherein, the storage mechanism 3 includes a rotary cylinder 31, a rotary table 32 and four storage boxes 33 arranged on the rotary table, and the four storage boxes 33 are arranged in two-to-two symmetry. Two symmetrically arranged storage cases 33 are defined as a set of storage cases, and the rotary cylinder 31 is used for rotating the rotary disk 32, so that one set of empty storage cases 33 is replaced with the other set of storage cases 33 to receive the lens finished products.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A high-efficiency loading and unloading device of a lens cutting machine, which is characterized in that,
the device comprises a mechanical arm mechanism, a material pushing mechanism and a material storing mechanism;
the mechanical arm mechanism is used for sequentially taking the lens blanks from a reserved material taking position in the material pushing mechanism to feed materials, and feeding the cut lens finished products to the material storage mechanism;
the material pushing mechanism is used for stacking a plurality of lens blanks and sequentially moving the lens blanks to a preset material taking position;
wherein, the manipulator mechanism includes:
the vacuum suction nozzle is used for adsorbing or releasing the lens;
the vertical driver is used for driving the vacuum suction nozzle to move up and down;
the linear driver is used for driving the vertical driver to do linear motion in the horizontal direction;
and the rotary driver is used for driving the linear driver to rotate on a horizontal plane.
2. The efficient loading and unloading device for lens cutting machine according to claim 1,
the material pushing mechanism comprises a pushing device and a pushing device,
the lens blank pushing device comprises a material pushing shell, a positioning device and a positioning device, wherein the material pushing shell is provided with a vertical cavity used for limiting the lens blank to vertically move in the material pushing shell, and the upper part of the vertical cavity is provided with a preset material taking position for a feeding mechanical arm to take materials;
the driving unit is used for pushing the lens blank to move up and down in the vertical cavity;
the detection unit is in signal connection with the driving unit and used for detecting whether a lens blank exists at a preset material taking position or not and transmitting a signal which does not detect the lens blank to the driving unit, and the driving unit drives the lens blank to move upwards by the distance of the thickness of the lens blank at a single time.
3. The efficient loading and unloading device for lens cutting machine according to claim 2,
the driving unit comprises a PLC (programmable logic controller), a stepping motor, a ball screw assembly and a lens tray, and the lens tray is used for supporting a lens blank positioned in the vertical cavity; the stepping motor is used for controlling the lens tray to move up and down in the vertical cavity through the ball screw assembly; and the PLC is used for controlling the working state of the stepping motor according to the signal.
4. The efficient loading and unloading device for the lens cutting machine according to claim 3, further comprising a first limit sensor and a second limit sensor;
defining an upward movement limit position of a preset lens tray in a vertical cavity as a first limit position, and defining a downward movement limit position of the preset lens tray in the vertical cavity as a second limit position;
the first limiting sensor is used for detecting whether the lens tray is located at a first limiting position or not, and sending a signal for detecting that the lens tray is located at the first limiting position to the driving unit so that the driving unit does not drive the lens tray to move upwards any more;
the second limit sensor is used for detecting whether the lens tray is located at a second limit position or not and sending a signal for detecting that the lens tray is located at the second limit position to the driving unit so that the driving unit can not drive the lens tray to move downwards any more.
5. The efficient loading and unloading device for the lens cutting machine according to claim 4, wherein when the lens tray is located at the first limit position, the lens blank on the lens tray is located at a preset material taking position; the distance difference between the first limit position and the second limit position is integral multiple of the thickness of the lens blank.
6. The efficient loading and unloading device for lens cutting machine according to claim 2,
the material pushing shell is internally provided with two vertical cavities side by side, the detection unit optical fiber amplifier and the induction receiving end are arranged on two sides of the vertical cavities, and the upper part of the material pushing shell is provided with a notch for mutual induction between the optical fiber amplifier and the induction receiving end.
7. The efficient loading and unloading device for lens cutting machines according to claim 6, wherein two sets of vacuum suction nozzles are disposed at the driving end of the vertical driver, and the two sets of vacuum suction nozzles are disposed corresponding to the two vertical cavities.
8. The efficient loading and unloading device for lens cutting machine according to claim 7,
the number of the material pushing mechanisms is two; two sides of the driving end of the linear driver are respectively provided with a vertical driver; the vacuum suction nozzles of the two vertical drivers are used for respectively taking materials from the two material pushing mechanisms; the storage mechanism is provided with two symmetrically arranged storage boxes, and the two storage boxes are used for storing two lens finished products discharged by the vertical driver.
9. The efficient loading and unloading device for the lens cutting machine according to claim 8, wherein the storage mechanism comprises a rotary cylinder, a rotary table and four storage boxes arranged on the rotary table, and the four storage boxes are arranged in a pairwise symmetry manner;
two storage boxes which are symmetrically arranged are defined as a group of storage boxes, and the rotary cylinder is used for rotating the rotary disc so that one group of empty storage boxes replaces the other group of storage boxes to receive the lens finished products which are discharged.
10. The efficient loading and unloading device for lens cutting machines according to claim 1, wherein the linear actuator includes a linear guide rail, a linear rod and a linear cylinder, the linear guide rail is disposed on the driving end of the rotary actuator, the linear rod is slidably engaged with the linear guide rail, and the linear cylinder is used for driving the linear rod to slide relative to the linear guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010095761.5A CN111136714A (en) | 2020-02-17 | 2020-02-17 | Efficient feeding and discharging device of lens cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010095761.5A CN111136714A (en) | 2020-02-17 | 2020-02-17 | Efficient feeding and discharging device of lens cutting machine |
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| Publication Number | Publication Date |
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| CN111136714A true CN111136714A (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010095761.5A Pending CN111136714A (en) | 2020-02-17 | 2020-02-17 | Efficient feeding and discharging device of lens cutting machine |
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| Country | Link |
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| CN (1) | CN111136714A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112277057A (en) * | 2020-10-13 | 2021-01-29 | 吴国强 | Automatic unloader that goes up of slicer |
-
2020
- 2020-02-17 CN CN202010095761.5A patent/CN111136714A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112277057A (en) * | 2020-10-13 | 2021-01-29 | 吴国强 | Automatic unloader that goes up of slicer |
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