CN211928302U - Pneumatic single-axis scanning system - Google Patents
Pneumatic single-axis scanning system Download PDFInfo
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- CN211928302U CN211928302U CN202020461228.1U CN202020461228U CN211928302U CN 211928302 U CN211928302 U CN 211928302U CN 202020461228 U CN202020461228 U CN 202020461228U CN 211928302 U CN211928302 U CN 211928302U
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- air
- gas
- base
- rotary table
- scanning system
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- Mechanical Optical Scanning Systems (AREA)
Abstract
The utility model discloses a pneumatic unipolar scanning system, including base, lens seat, rotation spacing subassembly and branch gas carousel, have the air supply interface that is used for admitting air on the base, divide and have at least one carousel gas outlet on the outer peripheral face of gas carousel, when wherein the gaseous lens seat of sweeping of blowing out of arbitrary carousel gas outlet, the homoenergetic makes the lens seat swing back and forth once, and arbitrary constantly has the gaseous lens seat that can act on of blowing out of a carousel gas outlet at most. The pneumatic single-shaft scanning system adopting the technical scheme has the advantages of simple structure, ingenious design, low cost, high reliability, stable rotating speed, easiness in adjustment and control of the swinging frequency, capability of realizing automatic heat dissipation and dust removal, long service life, maintenance-free property and the like.
Description
Technical Field
The utility model relates to a laser scanning system technical field, concretely relates to pneumatic unipolar scanning system.
Background
In a traditional laser scanning system, the most common scanning modes include an xy plane scanning mode and a high-speed galvanometer scanning mode, and the two scanning modes are generally driven by double shafts, namely, an upper computer graphic software control system is used for controlling the rotation or swing of an x motor and a y motor so as to scan a required track. However, they all have a common disadvantage that the control system is complex and has a complex structure, and an upper computer, graphic editing software, a control circuit board, a motor driving board, a motor and the like are required. If only single-axis scanning is required for some fields, and the scene of graphics and characters does not need to be scanned, the system is large and small in size.
Thus, a single axis scanning system is currently on the market. The existing single-axis scanning system also has two scanning modes: one mode is swing type scanning, such as a bar code scanning gun and the like, and generates a scanning line diameter by continuously controlling the left and right swing of a reflecting mirror surface; another method is rotary scanning in which a polygon mirror is rotated by a high-speed motor to generate a reflection angle cyclic scan. No matter which kind of above-mentioned single-axis scanning's mode, all need complicated control system just can work, and control system that can be competent at is all extremely expensive, leads to current single-axis scanning system to produce manufacturing cost high, and market competition is not enough.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model provides a pneumatic unipolar scanning system.
The technical scheme is as follows:
a pneumatic single-axis scanning system, which is characterized by comprising:
a base having an air supply interface for intake air;
the lens seat is rotatably arranged on the base, and the maximum rotation angle of the forward rotation and the reverse rotation of the lens seat is limited by the rotation limiting component;
the gas distribution rotary table is rotatably arranged on the base, at least one rotary table gas outlet is formed in the outer peripheral surface of the gas distribution rotary table, each rotary table gas outlet is communicated with the gas source interface through a gas passage, the gas outlet direction of each rotary table gas outlet and the corresponding radial direction of the gas distribution rotary table form an included angle of more than 0 degree and less than or equal to 90 degrees, and when any one or more rotary table gas outlets blow gas, the gas distribution rotary table can rotate along the same direction;
when the blown gas at the air outlet of any one of the turntables sweeps across the lens seat, the lens seat can swing back and forth once, and the blown gas at the air outlet of at most one turntable at any moment can act on the lens seat.
By adopting the structure, after the air source interface is connected with the air source, air is blown out from the air outlets of the turntables, the air distribution turntables can be pushed to rotate, and when the air distribution turntables rotate, the air blown out from the air outlets of the turntables continuously sweeps over the lens seat, so that the lens seat swings back and forth (the galvanometer lens is arranged on the lens seat, and can swing back and forth synchronously with the lens seat); when the air pressure of the air source is higher, the rotating speed of the air distribution rotating disc is higher, so that the lens seat is driven to swing faster, namely the swinging frequency is higher, and the back-and-forth scanning frequency of the laser can be controlled; the utility model discloses simple structure, low cost, the reliability is high, and the rotational speed is stable, and swing frequency easily adjusts and controls, can realize automatic heat dissipation and dust removal to long service life has a great deal of advantages such as non-maintaining.
Preferably, the method comprises the following steps: the air outlets of the rotary disc are uniformly distributed on the peripheral surface of the air distribution rotary disc. By adopting the structure, the swinging frequency of the lens seat can be kept as stable as possible.
Preferably, the method comprises the following steps: the air outlet direction of each turntable air outlet is the same as the included angle between the corresponding radial directions of the air distribution turntables. By adopting the structure, the swinging frequency of the lens seat can be kept as stable as possible.
Preferably, the method comprises the following steps: the outer peripheral surface of the gas distribution rotary disc is concavely provided with gas hole steps which are in one-to-one correspondence with the gas outlets of the rotary discs, and the gas outlets of the rotary discs are respectively positioned on the corresponding gas hole steps. By adopting the structure, the air outlet direction of each rotary table air outlet can be approximately tangent to the air distribution rotary table, the utilization efficiency of an air source can be improved, the air distribution rotary table can obtain higher rotating speed under the same air pressure condition, and further higher laser scanning frequency can be obtained, so that the application range is improved.
Preferably, the method comprises the following steps: the air flue comprises a base air conveying channel arranged in the base and rotary disc air conveying channels which are arranged in the air distribution rotary disc and are respectively communicated with corresponding rotary disc air outlets one by one, the air inlet end of each base air conveying channel is an air source interface, the air outlet end of each rotary disc air conveying channel is a base air outlet, the air outlet end of each rotary disc air conveying channel is a corresponding rotary disc air outlet, the air inlet end of each rotary disc air conveying channel is a rotary disc air inlet, and each rotary disc air inlet can be communicated with the base air outlet. By adopting the structure, the structure is simple, stable and reliable.
Preferably, the method comprises the following steps: the base is provided with a rotary table rotating shaft, the gas distribution rotary table is rotatably installed on the rotary table rotating shaft, the base gas transmission channel extends into the rotary table rotating shaft, and the base gas outlets are at least two and are uniformly distributed on the outer peripheral surface of the rotary table rotating shaft. By adopting the structure, the condition that the air outlet of the base is not communicated with the air inlets of the turntables can be avoided, the clamping stagnation of the air distribution turntables can not occur, and the reliability of the scanning system is improved.
Preferably, the method comprises the following steps: the glasses frame is arranged on the base and is of a door-shaped structure, and the lens seat is installed in the glasses frame and is respectively connected with the base and the glasses frame in a rotating mode through a lens rotating shaft. By adopting the structure, the lens rotating shaft can realize two-point support, the reliability is higher, and the lens seat is prevented from inclining after long-term work.
Preferably, the method comprises the following steps: the rotation limiting assembly comprises a stop pin and two limiting columns, the stop pin is horizontally arranged on one side of the lens seat, and the two limiting columns are vertically arranged on two sides of the stop pin. By adopting the structure, the structure is simple, stable and reliable, and the back-and-forth swing radian of the lens seat (and the galvanometer lens) can be effectively limited.
Preferably, the method comprises the following steps: the base below the lens seat is provided with an annular adjusting groove matched with the limiting column, and after the limiting column is arranged at a preset position in the annular adjusting groove, the limiting column can be locked in the annular adjusting groove through a nut. By adopting the structure, the adjustment of the swing radian of the lens seat (and the galvanometer lens) can be realized, so that the adjustment of the laser scanning radian is realized.
Compared with the prior art, the beneficial effects of the utility model are that:
the pneumatic single-shaft scanning system adopting the technical scheme has the advantages of simple structure, ingenious design, low cost, high reliability, stable rotating speed, easiness in adjustment and control of the swinging frequency, capability of realizing automatic heat dissipation and dust removal, long service life, maintenance-free property and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the gas separation turntable of FIG. 1 with the gas separation removed;
FIG. 3 is a schematic view of the internal structure of the base;
FIG. 4 is a schematic structural view of a gas distribution turntable;
fig. 5 is a schematic view of the internal structure of the gas distribution turntable.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
As shown in fig. 1, a pneumatic single-axis scanning system mainly comprises a base 1, a lens holder 2, a rotation limiting assembly 3 and a gas distribution turntable 4. The base 1 has an air source interface 1a, and the air source interface 1a is used for connecting with an air source (such as an air compressor or an air station) and inputting air. Lens seat 2 rotationally installs on base 1, and the biggest turned angle of lens seat 2 corotation and reversal is injectd by rotation limiting component 3, shakes the mirror piece and installs on lens seat 2 to can be with lens seat 2 synchronous swing back and forth, and then realize the scanning back and forth of laser. The gas distribution rotary table 4 is rotatably installed on the base 1, at least one rotary table gas outlet 4a is arranged on the outer peripheral surface of the gas distribution rotary table 4, each rotary table gas outlet 4a is communicated with the gas source interface 1a through a gas channel, the gas outlet direction of each rotary table gas outlet 4a is larger than 0 degree and smaller than or equal to 90 degrees with the corresponding radial included angle of the gas distribution rotary table 4, and when any one or more rotary table gas outlets 4a blow out gas, the gas distribution rotary table 4 can rotate along the same direction.
When the blown-out gas of any one of the turntable air outlets 4a sweeps across the lens holder 2, the lens holder 2 can be swung back and forth once, and at most one blown-out gas of one turntable air outlet 4a can act on the lens holder 2 at any moment.
Referring to fig. 1-3, a base 1 is provided with a rotating shaft 1d, and a gas distribution rotating disc 4 is rotatably mounted on the rotating shaft 1 d. The lens bracket 5 is a door-shaped structure and is fixedly arranged on the base 1, and in order to improve the reliability of the installation of the lens bracket 5 and bear the high-speed swing of the lens base 2, the bottom of the lens bracket 5 is provided with a reinforced support base 5a extending towards two sides. The lens seat 2 is installed in the lens frame 5 and is respectively connected with the base 1 and the lens frame 5 in a rotating way through a lens rotating shaft 6. It should be noted that the rotation axes of the lens holder 2 and the air distribution turntable 4 are parallel to each other, so as to ensure the reliability of the cooperation of the two.
Referring to fig. 1 and 2, the rotation limiting assembly 3 includes a stop pin 3a and two limiting posts 3b, the stop pin 3a is horizontally installed at one side of the lens base 2, the two limiting posts 3b are vertically installed at two sides of the stop pin 3a, that is, one limiting post 3b is used for limiting the maximum angle of forward rotation of the lens base 2, and the other limiting post 3b is used for limiting the maximum angle of reverse rotation of the lens base 2.
Further, in order to realize the adjustment of the swing radian of the lens base 2 (and the galvanometer lens) and to realize the adjustment of the laser scanning radian, an annular adjusting groove 1e matched with the limiting column 3b is arranged on the base 1 below the lens base 2, and after the limiting column 3b is arranged at a preset position in the annular adjusting groove 1e, the limiting column 3b can be locked in the annular adjusting groove 1e through a nut 3 c. Specifically, a plurality of uniformly distributed limiting column mounting holes can be formed in the bottom of the annular adjusting groove 1e, and the swing radian of the lens holder 2 can be adjusted by locking the limiting columns 3b in different limiting column mounting holes; or the groove bottom of the annular adjusting groove 1e is provided with an annular notch, the limiting column 3b can be inserted into any position of the annular notch, and the limiting column 3b can be locked in the annular adjusting groove 1e through the one-over-one-down two nuts 3c, so that the swing radian of the lens seat 2 can be adjusted.
Referring to fig. 1, 4 and 5, in order to keep the swing frequency of the lens holder 2 as stable as possible, in the embodiment, the turntable air outlets 4a are uniformly distributed on the outer circumferential surface of the air distribution turntable 4, and the air outlet directions of the turntable air outlets 4a are respectively the same as the included angles between the corresponding radial directions of the air distribution turntable 4.
Meanwhile, in order to enable the air outlet direction of each turntable air outlet 4a to be approximately tangent to the air distribution turntable 4, the utilization efficiency of an air source can be improved, the air distribution turntable 4 can obtain a higher rotating speed under the same air pressure condition, and further, a higher laser scanning frequency can be obtained, so that the application range is improved, air hole steps 4b corresponding to the turntable air outlets 4a one to one are formed on the peripheral surface of the air distribution turntable 4 in a sunken mode, and the turntable air outlets 4a are located on the corresponding air hole steps 4b respectively.
Referring to fig. 3 and 5, the air passage includes a base air transmission channel 1b disposed in the base 1 and turntable air transmission channels 4c disposed in the air distribution turntable 4 and respectively communicated with the corresponding turntable air outlets 4a one by one, the air inlet end of the base air transmission channel 1b is an air source interface 1a, the air outlet end is a base air outlet 1c, the air outlet end of each turntable air transmission channel 4c is a corresponding turntable air outlet 4a, the air inlet end is a turntable air inlet 4d, and each turntable air inlet 4d can be communicated with the base air outlet 1 c.
After the gas source interface 1a is connected with a gas source, gas is blown out from the turntable gas outlets 4a and can push the gas distribution turntable 4 to rotate, and when the gas distribution turntable 4 rotates, the gas blown out from each turntable gas outlet 4a continuously sweeps over the lens seat 2, so that the lens seat 2 swings back and forth (the galvanometer lens is arranged on the lens seat 2 and can synchronously swing back and forth with the lens seat 2); when the air pressure of the air source is higher, the rotating speed of the air distribution rotating disc 4 is higher, so that the lens base 2 is driven to swing faster, namely the swinging frequency is higher, and the back-and-forth scanning frequency of the laser can be controlled. When the air pressure is large enough, the highest speed per hour of the air distribution rotary table 4 can reach more than 3000 revolutions per second, so that the air distribution rotary table is not only suitable for working scenes such as laser rust removal, but also can be applied to various fields such as laser radar scanning and laser wide-range distance measurement in automobile intelligent navigation.
In this embodiment, referring to fig. 4 and 5, since the air outlet direction of the air outlet 4a of the rotary disk is approximately tangent to the air distribution rotary disk 4, in order to facilitate the processing of the air transmission channel 4c of the rotary disk, the air transmission channel 4c of the rotary disk comprises a first air transmission section 4c1 and a second air transmission section 4c2 which are perpendicular to each other, the first air transmission section 4c1 is drilled on the outer circumferential surface of the air distribution rotary disk 4, and the second air transmission section 4c2 communicated with the first air transmission section 4c1 is drilled on the air hole step 4 b. Due to the process requirement, the first gas transmission section 4c1 will leave a fabrication hole on the outer peripheral surface of the gas distribution turntable 4, and only the plug 4e is used to plug the fabrication hole.
Further, referring to fig. 3, the base gas transmission channel 1b extends into the turntable shaft 1d, and at least two base gas outlets 1c are disposed and uniformly distributed on the outer peripheral surface of the turntable shaft 1 d. Through the design, the condition that the base air outlet 1c is not communicated with the air inlets 4d of the turntables can be avoided, so that the air distribution turntables 4 cannot be blocked, and the reliability of the scanning system is improved.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.
Claims (9)
1. A pneumatic single axis scanning system, comprising:
a base having an air supply interface for intake air;
the lens seat is rotatably arranged on the base, and the maximum rotation angle of the forward rotation and the reverse rotation of the lens seat is limited by the rotation limiting component;
the gas distribution rotary table is rotatably arranged on the base, at least one rotary table gas outlet is formed in the outer peripheral surface of the gas distribution rotary table, each rotary table gas outlet is communicated with the gas source interface through a gas passage, the gas outlet direction of each rotary table gas outlet and the corresponding radial direction of the gas distribution rotary table form an included angle of more than 0 degree and less than or equal to 90 degrees, and when any one or more rotary table gas outlets blow gas, the gas distribution rotary table can rotate along the same direction;
when the blown gas at the air outlet of any one of the turntables sweeps across the lens seat, the lens seat can swing back and forth once, and the blown gas at the air outlet of at most one turntable at any moment can act on the lens seat.
2. A pneumatic single axis scanning system according to claim 1, wherein: the air outlets of the rotary disc are uniformly distributed on the peripheral surface of the air distribution rotary disc.
3. A pneumatic single axis scanning system according to claim 1, wherein: the air outlet direction of each turntable air outlet is the same as the included angle between the corresponding radial directions of the air distribution turntables.
4. A pneumatic single axis scanning system according to claim 1, wherein: the outer peripheral surface of the gas distribution rotary disc is concavely provided with gas hole steps which are in one-to-one correspondence with the gas outlets of the rotary discs, and the gas outlets of the rotary discs are respectively positioned on the corresponding gas hole steps.
5. A pneumatic single axis scanning system according to claim 1, wherein: the air flue comprises a base air conveying channel arranged in the base and rotary disc air conveying channels which are arranged in the air distribution rotary disc and are respectively communicated with corresponding rotary disc air outlets one by one, the air inlet end of each base air conveying channel is an air source interface, the air outlet end of each rotary disc air conveying channel is a base air outlet, the air outlet end of each rotary disc air conveying channel is a corresponding rotary disc air outlet, the air inlet end of each rotary disc air conveying channel is a rotary disc air inlet, and each rotary disc air inlet can be communicated with the base air outlet.
6. A pneumatic single axis scanning system according to claim 5, wherein: the base is provided with a rotary table rotating shaft, the gas distribution rotary table is rotatably installed on the rotary table rotating shaft, the base gas transmission channel extends into the rotary table rotating shaft, and the base gas outlets are at least two and are uniformly distributed on the outer peripheral surface of the rotary table rotating shaft.
7. A pneumatic single axis scanning system according to claim 1, wherein: the glasses frame is arranged on the base and is of a door-shaped structure, and the lens seat is installed in the glasses frame and is respectively connected with the base and the glasses frame in a rotating mode through a lens rotating shaft.
8. A pneumatic single axis scanning system according to claim 1, wherein: the rotation limiting assembly comprises a stop pin and two limiting columns, the stop pin is horizontally arranged on one side of the lens seat, and the two limiting columns are vertically arranged on two sides of the stop pin.
9. A pneumatic single axis scanning system according to claim 8, wherein: the base below the lens seat is provided with an annular adjusting groove matched with the limiting column, and after the limiting column is arranged at a preset position in the annular adjusting groove, the limiting column can be locked in the annular adjusting groove through a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020461228.1U CN211928302U (en) | 2020-04-01 | 2020-04-01 | Pneumatic single-axis scanning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020461228.1U CN211928302U (en) | 2020-04-01 | 2020-04-01 | Pneumatic single-axis scanning system |
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| Publication Number | Publication Date |
|---|---|
| CN211928302U true CN211928302U (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020461228.1U Withdrawn - After Issue CN211928302U (en) | 2020-04-01 | 2020-04-01 | Pneumatic single-axis scanning system |
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| CN (1) | CN211928302U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111367071A (en) * | 2020-04-01 | 2020-07-03 | 重庆金樾光电科技有限公司 | Pneumatic single-axis scanning system |
-
2020
- 2020-04-01 CN CN202020461228.1U patent/CN211928302U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111367071A (en) * | 2020-04-01 | 2020-07-03 | 重庆金樾光电科技有限公司 | Pneumatic single-axis scanning system |
| CN111367071B (en) * | 2020-04-01 | 2023-07-14 | 重庆金樾光电科技有限公司 | Pneumatic single-axis scanning system |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20201113 Effective date of abandoning: 20230714 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20201113 Effective date of abandoning: 20230714 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |