CN221315510U - UV light shield device - Google Patents
UV light shield device Download PDFInfo
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- CN221315510U CN221315510U CN202323369544.9U CN202323369544U CN221315510U CN 221315510 U CN221315510 U CN 221315510U CN 202323369544 U CN202323369544 U CN 202323369544U CN 221315510 U CN221315510 U CN 221315510U
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- motor
- driven gear
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- 230000000670 limiting effect Effects 0.000 claims description 32
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a UV light shield device, which belongs to the technical field of printing equipment, and the technical scheme is characterized in that the UV light shield device comprises a device body, wherein a light shield is rotationally connected to the device body, the light shield comprises a left plate and a right plate, one end of one of the left plate and the right plate is connected with a driving gear, one end of the other of the left plate and the right plate is connected with a driven gear, the driving gear is meshed with the driven gear, a motor is arranged on the device body, a connecting rod is connected to the motor, and the other end of the connecting rod is connected with the driving gear so as to drive the driving gear to rotate; the utility model has the advantages that the independent left plate and the independent right plate are arranged, the rotation radius is reduced, the occupied space is smaller, the position fine adjustment function is realized by the driving mode of matching the motor and the connecting rod with the gear, the opening and closing body is more stable, the connecting rod and the gear can be arranged on the outer side surface of the device body, and the maintenance is more convenient.
Description
Technical Field
The utility model relates to the technical field of printing equipment, in particular to a UV light shielding device.
Background
UV light, i.e., ultraviolet light, is widely used in the field of printing equipment, and a light shield is generally required to be provided in equipment using UV light, but the UV light shield currently used in the market has defects in terms of an opening and closing mode and a driving mode.
1. The sunshade is opened and closed by pushing and pulling left and right or front and back: the sunshade is opened and closed in a horizontal direction by pushing and pulling the sunshade in the left-right direction or the front-back direction through the air cylinder, occupies the left-right direction or the front-back direction of the horizontal direction, is consistent with the length direction of the sunshade, and causes that the length of the sunshade mechanism is too long to be installed in some cases.
2. The light shield is rotated to open and close: this form is generally connected with the hood through hinge mechanism, because the hood is whole to rotate, therefore the radius of rotation of hood is great, occupation space is many.
3. Cylinder driving mode: the device cannot accurately stop at a certain middle position in the process, and if the device needs to be cured in a half-open state of the shade, the shade device controlled by the air cylinder cannot meet the use requirement; and the acceleration and deceleration of the air cylinder are large in the running process, so that the driven light shield can shake or vibrate under the action of inertia, and the accuracy and the service life of the device are reduced.
4. The motor driving mode is as follows: generally, a motor is directly connected with a gear, and the rotating mechanism is positioned between the light shield and the motor, so that maintenance is inconvenient.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model aims to provide the UV light shield device which has the advantages that the independent left plate and the independent right plate are arranged, the rotation radius is reduced, the occupied space is smaller, the position fine adjustment function is realized by a driving mode of matching a motor and a connecting rod with a gear, the opening and closing body is more stable, the connecting rod and the gear can be arranged on the outer side surface of the device body, and the maintenance are more convenient.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a UV lens hood device, includes the device body, it is connected with the lens hood to rotate on the device body, the lens hood includes left board and right board, the tip of one of them is provided with the driving gear of left board and right board, the tip of the other of left board and right board both is provided with driven gear, driving gear and driven gear intermeshing, install the motor on the device body, be connected with the connecting rod on the motor, the other end and the driving gear of connecting rod are connected to drive driving gear rotation.
The utility model is further provided with: the device comprises a device body, and is characterized in that an opening in-place controller is arranged on the device body and comprises a first sensing piece arranged on a driving gear or a driven gear, and further comprises a first sensor arranged on the device body, wherein the first sensor is connected with a motor, and when the light shield is completely opened, the first sensing piece is in contact with the first sensor, and the first sensor controls the motor to be closed.
The utility model is further provided with: the device comprises a device body, and is characterized in that a closing in-place controller is arranged on the device body and comprises a second sensing piece arranged on a driving gear or a driven gear, and further comprises a second sensor arranged on the device body, wherein the second sensor is connected with a motor, and when the light shield is completely closed, the second sensing piece is in contact with the second sensor, and the second sensor controls the motor to be closed.
The utility model is further provided with: the driving gear and the driven gear are semi-circular incomplete gears.
The utility model is further provided with: the device body is provided with an opening limiting block, and when the light shield is completely opened, at least one of the driving gear or the driven gear is abutted with the opening limiting block.
The utility model is further provided with: the device body is provided with a closing limiting block, and when the light shield is completely closed, at least one of the driving gear and the driven gear is abutted with the closing limiting block.
The utility model is further provided with: the end parts of the opening in-place limiting block and the closing in-place limiting block are respectively provided with a flexible buffer block.
The utility model is further provided with: the device comprises a device body, wherein the device body is provided with an opening state detector for detecting whether the light shield is opened or not, and the device body is also provided with a closing state detector for detecting whether the light shield is closed or not.
The utility model is further provided with: and the output shaft of the motor is provided with a magnetic coupling.
Compared with the prior art, the utility model has at least the following advantages:
1. The light shield is divided into a left plate and a right plate which are independent, the rotation center is consistent with the gear, the rotation radius is reduced, and the occupied space is small; the motor drives the driving gear to rotate through the connecting rod, the driven gear is meshed with the driving gear, the position fine adjustment function is achieved, and the opening and closing body is stable; the installation position of the motor can be parallelly and overlapped with the light shield through the connecting rod, occupation of front and back sizes is reduced, the connecting rod and the gear are positioned at the end part of the light shield, and the motor can be arranged on the outer side surface of the device body, so that maintenance is convenient.
2. After the wheel sensing piece rotates to the sensor position, the sensor senses the position and then controls the motor to stop so as to avoid rotating to be in place; and the gear is abutted with the limiting block when rotating to the limit position, so that the gear cannot continue to rotate, and the gear is mechanically forced to limit, and double-layer limit protection is provided for the device through signal detection and mechanical limit.
3. By arranging the open state detector and the close state detector, the open and close states of the light shield are detected in time, and damage to the UV cured product caused by failure of the light shield is avoided.
Drawings
FIG. 1 is an overall schematic of the present embodiment;
FIG. 2 is an internal construction view of the outer side wall of the device body in the present embodiment;
FIG. 3 is a bottom view of the present embodiment;
FIG. 4 is a schematic view of the light shield of the present embodiment when fully opened;
FIG. 5 is a schematic view of the light shield of the present embodiment fully closed;
FIG. 6 is an enlarged schematic view of portion A of FIG. 5;
Fig. 7 is an enlarged schematic view of a portion B in fig. 5.
Reference numerals illustrate:
1. A device body; 2. a left plate; 3. a right plate; 301. a transmission shaft; 302. eccentric connecting blocks; 303. a light shielding plate; 4. a drive gear; 5. a driven gear; 6. a motor; 7. a connecting rod; 8. opening the in-place controller; 9. closing the in-place sensor; 901. a second sensing piece; 902. a second sensor; 10. opening the in-place limiting block; 11. closing the in-place limiting block; 12. a buffer block; 13. an on state detector; 14. a closing state detector; 15. a magnetic coupling; 16. and (5) eccentrically rotating the block.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The utility model provides a UV lens hood device, as shown in fig. 1 through 3, including device body 1, rotate on the device body 1 and be connected with the lens hood, the lens hood includes left board 2 and right board 3, left board 2 and right board 3 structural identity just lie in same horizontal plane, left board 2 includes the transmission shaft 301 of being connected with the lateral wall rotation of device body 1, one side that transmission shaft 301 is located device body 1 is fixed with eccentric connecting block 302, still include with the fixed lens hood 303 of eccentric connecting block 302, lens hood 303 and transmission shaft 301 coaxial rotation.
One end of one of the left plate 2 and the right plate 3 is connected with a driving gear 4, the driving gear 4 of the embodiment is arranged on the left plate 2, the driving gear 4 is fixed on one side of a transmission shaft 301 of the left plate 2, which is positioned outside the device body 1, the driving gear 4 and the transmission shaft 301 are coaxially arranged, one end of the right plate 3 is connected with a driven gear 5, the driven gear 5 is fixed on one side of the transmission shaft 301 of the right plate 3, which is positioned outside the device body 1, the driving gear 4 and the driven gear 5 are meshed with each other, when the driving gear 4 rotates clockwise, the driven gear 5 rotates anticlockwise, a motor 6 is arranged on the device body 1, a connecting rod 7 is connected on the motor 6, and the other end of the connecting rod 7 is connected with the driving gear 4, so that the driving gear 4 is driven to rotate.
The motor 6 is positioned at the inner side of the device body 1 and is overlapped with the light shield in parallel, the motor 6 and the driving gear 4 are both provided with eccentric rotating blocks 16, two ends of the connecting rod 7 are respectively fixed with the eccentric rotating blocks 16, when the motor 6 moves clockwise, the eccentric rotating blocks 16 drive the connecting rod 7 to move clockwise, the driving gear 4 also moves clockwise under the drive of the eccentric rotating blocks 16, the driven gear 5 moves anticlockwise, and the two light shields 303 are synchronously opened through the transmission shaft 301; when the motor 6 moves anticlockwise, the driving gear 4 moves anticlockwise, the driven gear 5 moves clockwise, and the two light shielding plates 303 are closed synchronously.
The magnetic coupling 15 is arranged on the output shaft of the motor 6, the eccentric rotating block 16 is connected to the magnetic coupling 15, and even if a follow-up mechanism runs idle due to faults or clamping stagnation, the motor 6 cannot be burnt out, so that the safety is high.
As shown in fig. 4 to 6, the device body 1 is provided with an opening in-place controller 8, the opening in-place controller 8 includes a first sensing piece disposed on the driving gear 4 or the driven gear 5, the first sensing piece of this embodiment is fixed on the driving gear 4, the driving gear 4 drives the first sensing piece to coaxially rotate, the device further includes a first sensor disposed on the device body 1, the first sensor is fixed on an outer side wall of the device body 1, the first sensor is connected with the motor 6, when the light shield is completely opened, the driving gear 4 rotates clockwise to a maximum angle, at this time, the first sensing piece contacts with the first sensor, the first sensor controls the motor 6 to be closed, and the light shield is prevented from rotating to be in place when being opened.
The device body 1 is provided with a closing in-place controller, the closing in-place controller comprises a second sensing piece 901 fixed on a driving gear 4 or a driven gear 5, the second sensing piece 901 of the embodiment is fixed on the driven gear 5, the driven gear 5 drives the second sensing piece 901 to coaxially rotate, the device further comprises a second sensor 902 arranged on the device body 1, the second sensor 902 is fixed on the outer side wall of the device body 1, the second sensor 902 is connected with a motor 6, when the light shield is completely closed, the driven gear 5 rotates clockwise to a maximum angle, at the moment, the second sensing piece 901 is in contact with the second sensor 902, the second sensor 902 controls the motor 6 to be closed, and the light shield is prevented from being closed in a rotating and out-of-place mode.
The driving gear 4 and the driven gear are semi-circular incomplete gears, and the rotation angle of the light shield from the complete closing state to the complete opening state is smaller than 90 degrees, so that the tooth blocks between the driving gear 4 and the driven gear cannot be separated from each other.
As shown in fig. 4, 5 and 7, the device body 1 is provided with an open-in-place limiting block 10, when the light shield is completely opened, at least one of the driving gear 4 and the driven gear 5 is abutted against the open-in-place limiting block 10, the open-in-place limiting block 10 of the embodiment is fixed on the outer side wall of the device body 1 and positioned below the driven gear 5, and when the light shield is completely opened, the driven gear 5 is anticlockwise rotated to be abutted against the open-in-place limiting block 10, and cannot continue to rotate, so that the effect of mechanical limiting is achieved.
The device body 1 is further provided with a closing in-place limiting block 11, when the light shield is completely closed, at least one of the driving gear 4 and the driven gear 5 is abutted against the closing in-place limiting block 11, the closing in-place limiting block 11 of the embodiment is fixed on the outer side wall of the device body 1 and is positioned above the driving gear 4, when the light shield is completely closed, the driving gear 4 rotates anticlockwise to be abutted against the closing in-place limiting block 11, the rotation cannot be continued, the mechanical limiting effect is achieved, and the stability and the safety of the use of the light shield are improved through double protection of mechanical limiting and signal detection limiting.
The end parts of the opening in-place limiting block 10 and the closing in-place limiting block are respectively provided with a flexible buffer block 12, the driving gear 4 and the driven gear 5 can be abutted against the buffer blocks 12 when rotating to a limiting angle, a buffer space with a certain angle is provided for the device, the blocking is avoided, and meanwhile the driving gear 4 and the driven gear 5 are prevented from being damaged in repeated collision.
The device body 1 is provided with an opening state detector 13 for detecting whether the light shield is opened, the opening state detector 13 comprises two laser detectors installed on the device body 1, the two laser detectors are respectively used for detecting the left plate 2 and the right plate 3, the laser directions emitted by the laser detectors are the same as the length directions of the light shield 303, and when the left plate 2 and the right plate 3 are opened, the laser of the laser detectors is shielded, so that whether the left plate 2 and the right plate 3 are opened is detected.
As shown in fig. 3 to 5, the device body 1 is further provided with a closed state detector 14 for detecting whether the light shield is closed, the closed state detector 14 is mounted on the right side wall of the device body 1, the laser direction emitted by the closed state detector 14 is perpendicular to the length direction of the light shield 303, when the left plate 2 and the right plate 3 are closed, the laser emitted by the closed state detector 14 is shielded, so that whether the light shield is closed is detected, and by setting the open state detector 13 and the closed state detector 14, the open and close states of the light shield are timely detected, and damage to UV cured products caused by light shield faults is avoided.
The working process of the utility model is as follows: the motor 6 drives the connecting rod 7 to rotate to drive the driving gear 4 and the driven gear 5 to rotate, so that synchronous opening and closing of the left plate 2 and the right plate 3 are realized, when the light shield is completely opened, a first sensing piece on the driving gear 4 is contacted with a first sensor, the first sensor controls the motor 6 to be closed, and meanwhile, the driven gear 5 is abutted with the opening in-place limiting block 10 to prevent over-rotation; when the light shield is completely closed, the second sensing piece 901 on the driven gear 5 is contacted with the second sensor 902, the second sensor 902 controls the motor 6 to be closed, and meanwhile, the driving gear 4 is abutted with the closed in-place limiting block 11, so that over-rotation is prevented.
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the design concept of the present utility model should be included in the scope of the present utility model.
Claims (9)
1. A UV light shield apparatus, characterized in that: the device comprises a device body, the last rotation of device body is connected with the lens hood, the lens hood includes left board and right board, one of them one end of left side board and right board is connected with the driving gear, the one end of the other of left side board and right board is connected with driven gear, driving gear and driven gear intermeshing, install the motor on the device body, be connected with the connecting rod on the motor, the other end and the driving gear connection of connecting rod to drive the driving gear rotation.
2. A UV light shield apparatus as claimed in claim 1, wherein: the device comprises a device body, and is characterized in that an opening in-place controller is arranged on the device body and comprises a first sensing piece arranged on a driving gear or a driven gear, and further comprises a first sensor arranged on the device body, wherein the first sensor is connected with a motor, and when the light shield is completely opened, the first sensing piece is in contact with the first sensor, and the first sensor controls the motor to be closed.
3. A UV light shield apparatus as claimed in claim 2, wherein: the device comprises a device body, and is characterized in that a closing in-place controller is arranged on the device body and comprises a second sensing piece arranged on a driving gear or a driven gear, and further comprises a second sensor arranged on the device body, wherein the second sensor is connected with a motor, and when the light shield is completely closed, the second sensing piece is in contact with the second sensor, and the second sensor controls the motor to be closed.
4. A UV light shield apparatus as claimed in claim 1, wherein: the driving gear and the driven gear are semi-circular incomplete gears.
5. A UV light shield apparatus as recited in claim 4, wherein: the device body is provided with an opening limiting block, and when the light shield is completely opened, at least one of the driving gear or the driven gear is abutted with the opening limiting block.
6. A UV light shield apparatus as recited in claim 5, wherein: the device body is provided with a closing limiting block, and when the light shield is completely closed, at least one of the driving gear and the driven gear is abutted with the closing limiting block.
7. A UV light shield apparatus as recited in claim 6, wherein: the end parts of the opening in-place limiting block and the closing in-place limiting block are respectively provided with a flexible buffer block.
8. A UV light shield apparatus as claimed in claim 1, wherein: the device comprises a device body, wherein the device body is provided with an opening state detector for detecting whether the light shield is opened or not, and the device body is also provided with a closing state detector for detecting whether the light shield is closed or not.
9. A UV light shield apparatus as claimed in claim 1, wherein: and the output shaft of the motor is provided with a magnetic coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323369544.9U CN221315510U (en) | 2023-12-11 | 2023-12-11 | UV light shield device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323369544.9U CN221315510U (en) | 2023-12-11 | 2023-12-11 | UV light shield device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221315510U true CN221315510U (en) | 2024-07-12 |
Family
ID=91789253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323369544.9U Active CN221315510U (en) | 2023-12-11 | 2023-12-11 | UV light shield device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221315510U (en) |
-
2023
- 2023-12-11 CN CN202323369544.9U patent/CN221315510U/en active Active
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