CN212321953U - Laser collimation focusing device capable of being accurately adjusted - Google Patents
Laser collimation focusing device capable of being accurately adjusted Download PDFInfo
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- CN212321953U CN212321953U CN202021348536.XU CN202021348536U CN212321953U CN 212321953 U CN212321953 U CN 212321953U CN 202021348536 U CN202021348536 U CN 202021348536U CN 212321953 U CN212321953 U CN 212321953U
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- front lens
- lens cone
- cone
- translation mechanism
- focusing device
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Abstract
The utility model relates to a but laser alignment focusing device of accurate adjustment. The lens barrel comprises a main lens barrel (2) and a front lens barrel (3), wherein a plano-convex lens, an aspherical mirror and a biconcave lens are sequentially arranged on the main lens barrel (2) and the front lens barrel (3) according to the incidence direction of a laser light source; a rotation translation mechanism is connected with the front lens cone (3), and the rotation translation mechanism drives the front lens cone (3) to translate, so that the horizontal distance between the main lens cone (2) and the front lens cone (3) is changed; and a positioning structure is arranged to contact with the front lens cone (3), so that after the front lens cone (3) is adjusted, the front lens cone (3) is fixed through the positioning structure. When the laser light source has small deviation, the position of the front lens cone is adjusted through the rotary translation mechanism, and the laser can be accurately re-collimated and focused at one point; the inner hexagonal cylinder end fastening screws are arranged on two sides of the front end of the metal shell, the front lens barrel can be fixed by screwing the inner hexagonal cylinder end fastening screws, and the front lens barrel is prevented from moving due to vibration, so that the adjusting precision is improved.
Description
Technical Field
The utility model relates to a but laser alignment focusing device of accurate adjustment belongs to laser technical field.
Background
In a general laser collimation focusing device, the position of an optical lens group in the device is fixed and cannot be moved, and if a laser light source has small deviation, the position of the optical lens group cannot be adjusted, so that the laser collimation focusing precision is influenced.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect, the utility model aims to provide a but position of accurate adjustment optics lens group to improve the laser collimation focusing device that can accurate adjustment of laser collimation focusing accuracy.
The technical scheme of the utility model is that: a laser collimation focusing device capable of being accurately adjusted comprises a main lens cone (2) and a front lens cone (3), wherein a plano-convex lens, an aspherical lens and a biconcave lens are sequentially arranged on the main lens cone (2) and the front lens cone (3) according to the incidence direction of a laser light source;
a rotation translation mechanism is connected with the front lens cone (3), and the rotation translation mechanism drives the front lens cone (3) to translate, so that the horizontal distance between the main lens cone (2) and the front lens cone (3) is changed;
and a positioning structure is arranged to contact with the front lens cone (3), so that after the front lens cone (3) is adjusted, the front lens cone (3) is fixed through the positioning structure.
Furthermore, the rotating and translating mechanism comprises a sleeve (6) which is connected with the front lens cone (3) and drives the front lens cone (3) to translate, the sleeve (6) is connected with a screw rod (5), and a knob (4) which drives the screw rod (5) to rotate is arranged outside the screw rod (5).
Furthermore, a stud matched with the sleeve (6) is arranged on one side, facing the sleeve (6), of the front lens barrel (3), and the sleeve (6) sleeves the stud so that the rotary translation mechanism is connected with the front lens barrel (3).
Furthermore, the main lens cone (2) and the front lens cone (3) are arranged in a metal shell (1).
Furthermore, a base is arranged at the lower part of the metal shell (1), and the base is used for positioning the rotary translation mechanism and forming horizontal guide when the rotary translation mechanism moves.
Furthermore, a fastening hole is formed in the metal shell (1), the positioning structure is a set screw (9), and the set screw (9) penetrates through the fastening hole and tightly abuts against the front lens cone (3) to position the front lens cone (3).
The utility model has the advantages that: when the laser light source has small deviation, the position of the front lens cone is adjusted through the rotary translation mechanism, and the laser can be accurately re-collimated and focused at one point; the inner hexagonal cylinder end fastening screws are arranged on two sides of the front end of the metal shell, the front lens barrel can be fixed by screwing the inner hexagonal cylinder end fastening screws, and the front lens barrel is prevented from moving due to vibration, so that the adjusting precision is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a schematic structural diagram of the rotational-translational mechanism.
Fig. 4 is a schematic structural diagram of the prior art.
In the figure, 1 is a metal shell, 2 is a main lens cone, 3 is a front lens cone, 4 is a knob, 5 is a screw rod, 6 is a sleeve, 7 is a left base, 8 is a right base, and 9 is an inner hexagonal cylinder end fastening screw.
Detailed Description
A laser collimation focusing device capable of being accurately adjusted comprises a main lens cone 2 and a front lens cone 3, wherein a plano-convex lens, an aspherical lens and a biconcave lens are sequentially arranged on the main lens cone 2 and the front lens cone 3 according to the incidence direction of a laser light source;
a rotation translation mechanism is connected with the front lens cone 3, and the rotation translation mechanism drives the front lens cone 3 to translate, so that the horizontal distance between the main lens cone 2 and the front lens cone 3 is changed;
and a positioning structure is arranged to contact with the front lens barrel 3, so that after the front lens barrel 3 is adjusted, the front lens barrel 3 is fixed through the positioning structure.
Further, the rotational translation mechanism comprises a sleeve 6 connected with the front lens barrel 3 and driving the front lens barrel 3 to translate, the sleeve 6 is connected to a screw rod 5, and a knob 4 driving the screw rod 5 to operate is arranged outside the screw rod 5.
Further, a stud matched with the sleeve 6 is arranged on one side, facing the sleeve 6, of the front lens barrel 3, and the sleeve 6 sleeves the stud so that the rotation and translation mechanism and the front lens barrel 3 are connected.
Further, the main barrel 2 and the front barrel 3 are disposed in a metal housing 1.
Further, a base is arranged on the lower portion of the metal shell 1, and the base is used for positioning the rotary translation mechanism and forming horizontal guiding when the rotary translation mechanism moves.
Furthermore, a fastening hole is formed in the metal shell 1, the positioning structure is a set screw (9), and the set screw 9 penetrates through the fastening hole and tightly abuts against the front lens barrel 3 to position the front lens barrel 3.
Following the utility model discloses make further explanation to better understand the utility model discloses: the utility model discloses the incident laser light source is through plano-convex lens, aspherical mirror and biconcave lens in proper order, finally focuses on a point with laser collimation, knob 4, screw rod 5, sleeve 6 have constituteed rotatory translation mechanism, sleeve 6 is fixed in 5 one ends of screw rod, overlaps on preceding lens cone 3 from the double-screw bolt of 1 straight flute mouth expenditure of metal casing, can make screw rod 5 control translation through rotatory knob 4, and sleeve 6 also translates thereupon to drive preceding lens cone 3 translation, left side base 7, right base 8 are used for being fixed in metal casing 1 with rotatory translation mechanism on, hexagonal cylinder holds holding screw 9 and is used for fixed preceding lens cone 3.
When a laser light source has small deviation, the rotary translation mechanism consisting of the knob 4, the screw rod 5 and the sleeve 6 adjusts the position of the front lens barrel 3 through the rotary translation mechanism, laser can be collimated and focused on one point again accurately, the precision of the laser collimating and focusing device is greatly improved, and the operation is also very convenient.
The inner hexagonal cylinder end holding screws 9 are installed on two sides of the front end of the metal shell 1, the front lens barrel can be fixed by screwing the inner hexagonal cylinder end holding screws 9, the front lens barrel is prevented from moving due to vibration, and adjustment precision is improved.
In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The laser collimation focusing device capable of being accurately adjusted is characterized by comprising a main lens cone (2) and a front lens cone (3), wherein a plano-convex lens, an aspherical lens and a biconcave lens are sequentially arranged on the main lens cone (2) and the front lens cone (3) according to the incidence direction of a laser light source;
a rotation translation mechanism is connected with the front lens cone (3), and the rotation translation mechanism drives the front lens cone (3) to translate, so that the horizontal distance between the main lens cone (2) and the front lens cone (3) is changed;
and a positioning structure is arranged to contact with the front lens cone (3), so that after the front lens cone (3) is adjusted, the front lens cone (3) is fixed through the positioning structure.
2. The laser collimation focusing device capable of being adjusted precisely according to claim 1, wherein the rotation and translation mechanism comprises a sleeve (6) connected with the front lens cone (3) and driving the front lens cone (3) to translate, the sleeve (6) is connected to a screw rod (5), and a knob (4) driving the screw rod (5) to operate is arranged outside the screw rod (5).
3. The laser collimation focusing device with the precision adjustment function as claimed in claim 2, characterized in that a side of the front lens barrel (3) facing the sleeve (6) is provided with a stud matched with the sleeve (6), and the sleeve (6) is sleeved on the stud to enable the rotation and translation mechanism and the front lens barrel (3) to be connected.
4. The fine adjustable laser collimation focusing device according to claim 1, wherein the main barrel (2) and the front barrel (3) are placed in a metal housing (1).
5. The device of claim 4, wherein the metal casing (1) is provided with a base at the lower part thereof, the base is used for positioning the rotation and translation mechanism and forming horizontal guide when the rotation and translation mechanism moves.
6. The laser collimation focusing device capable of being adjusted accurately according to claim 4, wherein the metal shell (1) is provided with a fastening hole, the positioning structure is a set screw (9), and the set screw (9) penetrates through the fastening hole and tightly abuts against the front lens cone (3) to position the front lens cone (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021348536.XU CN212321953U (en) | 2020-07-10 | 2020-07-10 | Laser collimation focusing device capable of being accurately adjusted |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021348536.XU CN212321953U (en) | 2020-07-10 | 2020-07-10 | Laser collimation focusing device capable of being accurately adjusted |
Publications (1)
Publication Number | Publication Date |
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CN212321953U true CN212321953U (en) | 2021-01-08 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202021348536.XU Active CN212321953U (en) | 2020-07-10 | 2020-07-10 | Laser collimation focusing device capable of being accurately adjusted |
Country Status (1)
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CN (1) | CN212321953U (en) |
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2020
- 2020-07-10 CN CN202021348536.XU patent/CN212321953U/en active Active
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