CN211768703U - Automatic pushing equipment of material loading lens - Google Patents

Automatic pushing equipment of material loading lens Download PDF

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Publication number
CN211768703U
CN211768703U CN202020175628.6U CN202020175628U CN211768703U CN 211768703 U CN211768703 U CN 211768703U CN 202020175628 U CN202020175628 U CN 202020175628U CN 211768703 U CN211768703 U CN 211768703U
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China
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lens
driving unit
lens blank
vertical
tray
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CN202020175628.6U
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Chinese (zh)
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张欣波
王泽�
弓清忠
李亚
纪玉波
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Xiamen University of Technology
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Xiamen University of Technology
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Abstract

The utility model provides a material pushing mechanism for automatically feeding lenses, which comprises a material pushing shell, a material pushing device and a material pushing device, wherein the material pushing shell is provided with a vertical cavity for limiting the lens blank to vertically move in the vertical cavity; 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 one lens blank at a time. 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.

Description

Automatic pushing equipment of material loading lens
Technical Field
The utility model belongs to the technical field of a lens cutting and specifically relates to an automatic pushing equipment of material loading lens.
Background
In recent years, the production of various shapes of spectacle lenses mainly adopts a process of cutting and grinding, and the low-grade spectacle lenses mainly use the traditional manual copying machine and a single-spindle numerical control lathing machine at present and do not have a manipulator feeding device; the mechanical arm is used for feeding materials in the feeding and discharging process of the high-grade lens cutting machine, but the occupied space is large, the cost is high, and the material pushing mechanism cannot accurately and automatically push materials; therefore, a lens blank feeding device which occupies a small space, has low cost and can accurately and automatically push materials needs to be developed.
SUMMERY OF THE UTILITY MODEL
The utility model provides an automatic pushing equipment of material loading lens. Aims to overcome the defects of large occupied space and inaccurate automatic material pushing when the glasses are loaded.
In order to solve the technical problem, the utility model adopts the following technical measures:
the utility model provides an automatic pushing equipment of material loading lens, includes, pushes away the material casing, it has the vertical cavity that is used for injecing lens blank in its inside vertical removal to push away the material casing, the upper portion of vertical cavity has the predetermined material position of getting that supplies the material loading manipulator to get the material.
And 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.
The utility model discloses can also further perfect through following technical measure:
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; 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.
As a further improvement, when the lens tray is located at the first limit position, the lens blank on the lens tray is located at the preset material taking position.
As a further improvement, the difference between the first extreme position and the second extreme position is an integer multiple of the thickness of the lens blank.
As a further improvement, the ball screw assembly comprises a vertical screw, 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 is fixedly connected with the nut seat, and the stepping motor is used for driving the vertical screw rod to rotate so as to move up and down the lens tray.
As a further improvement, a vertical opening is formed in the side wall of the vertical cavity, the vertical guide rail and the nut seat are both located on the outer side of the material pushing shell, one end of the lens tray is fixedly arranged on the nut seat, and the other end of the lens tray extends into the vertical cavity to support the lens.
As a further improvement, the first limit sensor and the second limit sensor are arranged on the outer side wall of the material pushing shell.
The nut seat is provided with a detection plate, the detection plate is used for moving up and down along with the nut seat and is in induction fit with the first limit sensor or the second limit sensor when passing through the first limit sensor or the second limit sensor.
As a further improvement, the detection unit comprises an optical fiber amplifier and an induction receiving end, the optical fiber amplifier and the induction receiving end are arranged on two sides of the vertical cavity, and a gap for mutual induction between the optical fiber amplifier and the induction receiving end is arranged on the upper portion of the material pushing shell.
As a further improvement, two vertical cavities are arranged in the material pushing shell side by side, and the optical fiber amplifier and the induction receiving end are arranged on two sides of the two vertical cavities.
Compared with the prior art, the utility model has the advantages of it is following:
the lens blanks are placed by the material pushing shell with the vertical cavity, so that 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.
Furthermore, a first limit sensor and a second limit sensor are adopted, so that instrument damage or other problems caused by excessive movement of the driving unit are prevented. And the distance difference between the first limit position and the second limit position is integral multiple of the thickness of the lens blank, so that the lens can be conveniently placed and taken.
Furthermore, the detection unit comprises an optical fiber amplifier and an induction receiving end, and a notch for mutual induction between the optical fiber amplifier and the induction receiving end is formed in the upper portion of the material pushing shell, so that the detection unit can accurately detect the position of the lens blank, and the lens blank can be protected by the material pushing shell and is not easy to drop.
Drawings
Fig. 1 is a schematic structural diagram of a material pushing mechanism for automatically feeding lenses according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the pusher housing of FIG. 1;
fig. 3 is a schematic structural view of the driving unit of fig. 1.
Description of the main elements
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.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1 to 3, a pushing mechanism for automatically feeding lenses includes a pushing housing 11, a driving unit 12 and a detecting 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 screw assembly 123 comprises a vertical screw, 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 can be 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.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A pushing mechanism for automatically feeding lenses is characterized by comprising,
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.
2. The pushing mechanism for automatically feeding lenses according to claim 1,
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.
3. The pushing mechanism for automatically feeding lenses according to claim 2, 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.
4. A pushing mechanism for automatically feeding lenses according to claim 3, wherein when the lens tray is located at the first limit position, the lens blank on the lens tray is located at a preset feeding position.
5. A pushing mechanism for automatically feeding lenses according to claim 4, wherein the difference between the first limit position and the second limit position is an integral multiple of the thickness of the lens blank.
6. The pushing mechanism for automatically feeding lenses according to claim 3,
the ball screw assembly comprises a vertical screw, 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 is fixedly connected with the nut seat, and the stepping motor is used for driving the vertical screw rod to rotate so as to move up and down the lens tray.
7. The material pushing mechanism for automatically feeding the lens as claimed in claim 6, wherein a vertical opening is formed in a sidewall of the vertical cavity, the vertical guide rail and the nut seat are both located at an outer side of the material pushing housing, one end of the lens tray is fixedly disposed on the nut seat, and the other end of the lens tray extends into the vertical cavity to lift the lens.
8. The pushing mechanism for automatically feeding lenses as claimed in claim 7, wherein the first limit sensor and the second limit sensor are disposed on an outer sidewall of the pushing housing;
the nut seat is provided with a detection plate, the detection plate is used for moving up and down along with the nut seat and is in induction fit with the first limit sensor or the second limit sensor when passing through the first limit sensor or the second limit sensor.
9. The pushing mechanism for automatically feeding lenses as claimed in claim 1, wherein the detection unit includes an optical fiber amplifier and an inductive receiving end, the optical fiber amplifier and the inductive receiving end are disposed at two sides of the vertical cavity, and a gap for mutual induction between the optical fiber amplifier and the inductive receiving end is disposed at an upper portion of the pushing housing.
10. The pushing mechanism for automatically feeding lenses as claimed in claim 9, wherein two vertical cavities are disposed in the pushing housing side by side, and the optical fiber amplifier and the sensing receiving end are disposed at two sides of the two vertical cavities.
CN202020175628.6U 2020-02-17 2020-02-17 Automatic pushing equipment of material loading lens Active CN211768703U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020175628.6U CN211768703U (en) 2020-02-17 2020-02-17 Automatic pushing equipment of material loading lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020175628.6U CN211768703U (en) 2020-02-17 2020-02-17 Automatic pushing equipment of material loading lens

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114160445A (en) * 2021-10-27 2022-03-11 杭州晶飞科技有限公司 PCB ink color sorting machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114160445A (en) * 2021-10-27 2022-03-11 杭州晶飞科技有限公司 PCB ink color sorting machine
CN114160445B (en) * 2021-10-27 2024-05-03 杭州晶飞科技有限公司 PCB ink color sorting machine

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