CN113909680A - Internal rotation laser head device - Google Patents
Internal rotation laser head device Download PDFInfo
- Publication number
- CN113909680A CN113909680A CN202111330984.6A CN202111330984A CN113909680A CN 113909680 A CN113909680 A CN 113909680A CN 202111330984 A CN202111330984 A CN 202111330984A CN 113909680 A CN113909680 A CN 113909680A
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- focusing
- barrel
- laser head
- driving motor
- fixed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
- B23K26/046—Automatically focusing the laser beam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses an inner rotation laser head device, which comprises a driving motor, a focusing positioning barrel, a focusing fixing barrel, a focusing barrel and a lateral rotation adjusting frame, wherein the driving motor is arranged on the focusing positioning barrel; the focusing barrel penetrates through the focusing fixing barrel, and the end part of the focusing barrel extends into the focusing positioning barrel; a leather strip is sleeved between the focusing fixed cylinder and an output shaft of the driving motor, and the driving motor can drive the focusing fixed cylinder to rotate so as to drive the focusing cylinder to move back and forth for focusing; the lateral rotation adjusting frame can adjust the tightness degree of the leather strips. The internal rotation laser head device overcomes the defect of low focusing precision in the laser head device in the prior art.
Description
Technical Field
The invention relates to the field of laser processing, in particular to an inner rotating laser head device.
Background
Laser etching has been widely used in the processing of metal products, such as hole-like processing of metal products, in which holes are formed by etching the inner wall of the metal product. When the laser etching device is used for processing workpieces with different sizes, focusing is needed by the laser etching device, and the adjustment of the focal length is realized mainly by adjusting the distance between a focusing barrel and a reflector.
The adjustment focusing barrel can have various implementation modes in the position adjustment process, wherein a common adjustment mode is belt rotation adjustment, but the belt is loosened due to reasons such as aging and heat generation in the rotation process in the use process, so that the focusing barrel cannot be adjusted in time, and the focusing precision is influenced.
Disclosure of Invention
The invention aims to provide an internal rotation laser head device to solve the defect of low focusing precision in the laser head device in the prior art.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
the invention discloses an inner rotation laser head device, which comprises a driving motor, a focusing positioning barrel, a focusing fixing barrel, a focusing barrel and a lateral rotation adjusting frame, wherein the driving motor is arranged on the focusing positioning barrel; the focusing barrel penetrates through the focusing fixing barrel, and the end part of the focusing barrel extends into the focusing positioning barrel; a leather strip is sleeved between the focusing fixed cylinder and an output shaft of the driving motor, and the driving motor can drive the focusing fixed cylinder to rotate so as to drive the focusing cylinder to move back and forth for focusing; the lateral rotation adjusting frame can adjust the tightness degree of the leather strips.
As a preferable scheme of the present invention, an external thread is provided on an exterior of the focus focusing cylinder, and an internal thread matched with the external thread is provided on an inner wall of the focus fixing cylinder.
As a preferable aspect of the present invention, a belt installation groove is provided on an outer wall of the focus fixing cylinder.
As a preferable scheme of the present invention, the inner rotary laser head device further includes a bottom plate, the driving motor is disposed on the bottom plate, and the focusing positioning cylinder is fixed on the bottom plate through a positioning frame.
As a preferable aspect of the present invention, the base plate is further provided with a guide frame, and an end portion of the focus tube can pass through the guide frame.
In a preferred embodiment of the present invention, the drive motor is provided with a speed reducer.
As a preferable scheme of the invention, the lateral rotation adjusting frame comprises two groups of telescopic rod pieces, a supporting plate is arranged between the two groups of telescopic rod pieces, two fixing plates are arranged on the same side of the supporting plate at intervals, a pressing roller is arranged between the two fixing plates through a rolling shaft, and the pressing roller can press or be far away from the outer edge of the leather strip.
In a preferred embodiment of the present invention, the pressing roller can press or move away from the outer edge of the upper layer of the leather strip.
As a preferable scheme of the present invention, the telescopic rod member sequentially includes a fixed rod and a telescopic rod, the supporting plate is fixed between the two telescopic rods, and the telescopic rod can perform telescopic motion under the action of the driving part.
As a preferred scheme of the present invention, the telescopic rod is sleeved with an upper lock sleeve and a lower lock sleeve, and the support plate is located between the upper lock sleeve and the lower lock sleeve.
As a preferable scheme of the present invention, a tension adjusting structure is provided between the output shaft and the focusing fixed cylinder;
the output shaft comprises a first threaded shaft and a second threaded shaft, the thread pitches of the first threaded shaft and the second threaded shaft are different, the first threaded shaft and the second threaded shaft are arranged on the same shaft body, and the shaft body is connected with a mandrel of the driving motor;
the focusing fixed cylinder comprises a first fixed cylinder matched with the first threaded shaft and a second fixed cylinder matched with the second threaded shaft, and the first fixed cylinder and the second fixed cylinder are arranged on the same main cylinder body;
the first threaded shaft is connected with the first fixed cylinder through a first transmission belt, and the second threaded shaft is connected with the second fixed cylinder through a second transmission belt;
a first belt blocking frame is mounted on a mandrel of the driving motor, a second belt blocking frame is mounted on the main cylinder, and the first belt blocking frame and the second belt blocking frame respectively comprise a fixed disc and an arc-shaped plate body which is mounted at the edge of the fixed disc 102 and is vertical to the surface of the fixed disc;
the tension adjusting structure is used for enabling the two parallel belt bodies of the first transmission belt 41 or the second transmission belt 42 to move towards or away from each other.
As a preferable scheme of the present invention, the tension adjusting structure includes two sets of guide fixing plates mounted on the support plate perpendicular to the surface of the support plate, the number of the guide fixing plates in one set is two, the support plate is provided with a through guide slot for the guide fixing plates to pass through, and a first press roller and a second press roller are mounted in parallel between the two guide fixing plates in one set;
the two ends of the second pressing roller are fixedly connected with the supporting plate through support rods, a group of two guide fixing plates penetrate through the penetrating guide groove and extend to the end part of the upper part of the supporting plate, and a micro telescopic rod is connected to the end part of the upper part of the supporting plate and used for driving the guide fixing plates to move along the penetrating guide groove.
In a preferred embodiment of the present invention, the arc of the arc plate is 1/18 of the arc of the output shaft.
Compared with the prior art, the invention has the following beneficial effects:
the working principle of the inner rotary laser head device provided by the invention is as follows: firstly, starting a driving motor, driving an output shaft to rotate by the driving motor, driving the focusing fixed cylinder to rotate by the output shaft through the rotation of a belt, and driving the focusing cylinder to move back and forth for focusing; once the belt is found to be loose, the lateral rotation adjusting frame can be started, the lateral rotation adjusting frame is abutted against the belt (the lateral rotation adjusting frame can be abutted and compressed from the lower part of the belt and also can be abutted and compressed from the upper part of the belt downwards), so that the belt is tightened, the precision of the front and back movement of the focusing barrel is ensured, the focusing precision is ensured, and the laser etching processing precision is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
FIG. 1 is a schematic structural view of a preferred embodiment of a lateral rotation adjusting bracket and an internal rotation laser head device provided by the invention;
FIG. 2 is a schematic structural view of a preferred embodiment of the laterally pivoting alignment bracket of FIG. 1;
FIG. 3 is a schematic view of the output shaft and the focus mount cylinder of FIG. 1 in a preferred embodiment of the laterally rotatable mounting bracket;
fig. 4 is a schematic structural view of a preferred embodiment of the lateral rotation adjustment bracket of fig. 3.
The reference numerals in the drawings denote the following, respectively:
1-driving a motor; 2-an output shaft; 3-a focusing fixed cylinder; 4-laterally rotating the adjusting frame; 5-a positioning frame; 6-a positioning frame; 7-a focus focusing barrel; 8-a focus positioning cylinder; 9-end protective glass mounting cylinder; 10-a base plate; 11-a fixing bar; 12-a fixation rod; 13-lower lock sleeve; 14-a support plate; 15-locking a sleeve; 16-a fixed plate; 17-a press roll; 18-a first belt stop; 19-a second belt stop; 21-a first threaded shaft; 22-a second threaded shaft; 23-a shaft body; 31-a first stationary cylinder; 32-a second stationary cylinder; 33-column cylinder; 41-a first drive belt; 42-a second drive belt; 101-a mandrel; 102-fixed disk; 103-arc plate body; 161-guide fixing plate; 162-through the channel; 163-first pressure roller; 164-a second press roll; 165-a rack bar; 166-micro telescopic rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention discloses an internal rotation laser head device, as shown in figure 1-2, the internal rotation laser head device comprises a driving motor 1, a focusing positioning cylinder 8, a focusing fixing cylinder 3, a focusing cylinder 7 and a lateral rotation adjusting frame 4; the focusing barrel 7 penetrates through the focusing fixed barrel 3, and the end part of the focusing barrel 7 extends into the focusing positioning barrel 8; a leather strip is sleeved between the focus fixing cylinder 3 and the output shaft 2 of the driving motor 1, and the driving motor 1 can drive the focus fixing cylinder 3 to rotate so as to drive the focus focusing cylinder 7 to move back and forth for focusing; the lateral rotation adjusting frame 4 can adjust the tightness degree of the leather strips.
In the above embodiment, in order to seal and protect the focus tube 7, it is preferable that an end protective mirror mounting tube 9 is provided at an end of the focus positioning tube 8, so that the end protective mirror mounting tube 9 can seal the focus positioning tube 8 and provide a protective effect.
In the above embodiments, there are various ways of driving the focus cylinder 7 to move back and forth by the focus fixing cylinder 3, and the present invention is not particularly limited to this, but in order to facilitate the operation, it is preferable that the focus cylinder 7 is provided with an external thread on the outside and an internal thread matching the external thread on the inner wall of the focus fixing cylinder 3. Thus, the adjustment of the position of the focus cylinder 7 can be achieved quickly by the screw connection.
In the present invention, in order to prevent the belt from derailing from the focus fixing cylinder 3, it is preferable that a belt installation groove is provided on the outer wall of the focus fixing cylinder 3. From this, the belt mounting groove alright guaranteed the stability of belt rotation in-process.
In the present invention, in order to ensure the stability of the driving motor 1, the focus positioning cylinder 8, the focus fixing cylinder 3, the focus focusing cylinder 7 and the lateral rotation adjusting bracket 4 during operation, it is preferable that the internal rotation laser head device further includes a base plate 10, the driving motor 1 is disposed on the base plate 10, and the focus positioning cylinder 8 is fixed on the base plate 10 through a positioning bracket 5. Therefore, the bottom plate 10, the driving motor 1, the focusing positioning cylinder 8, the focusing fixing cylinder 3, the focusing cylinder 7, the lateral rotation adjusting frame 4 and other components are integrated into a whole through the arrangement of the bottom plate 10, so that the stability of the device is improved, and the precision of laser etching processing is further ensured. The positioning frame 5 improves the stability of the focusing positioning cylinder 8 in the working process, and further ensures the precision of laser etching processing.
On the basis of the above embodiment, in order to ensure that the focusing barrel 7 can move directionally, it is preferable that the base plate 10 is further provided with a positioning frame 6, and an end of the focusing barrel 7 can pass through the guide frame 6. Therefore, the directional movement of the focusing barrel 7 is ensured by the guiding action of the guide frame 6, and the focusing precision is improved.
In the above embodiment, in order to further increase the driving speed of the driving motor 1, it is preferable that the driving motor 1 is provided with a speed reducer.
In the present invention, the specific structure of the lateral rotation adjusting frame 4 has a plurality of ways, and the structure of the lateral rotation adjusting frame 4 is not particularly limited, but in order to further improve the operation convenience of the lateral rotation adjusting frame 4, preferably, the lateral rotation adjusting frame 4 includes two sets of telescopic rod members, a support plate 14 is disposed between the two sets of telescopic rod members, two fixing plates 16 are disposed on the same side of the support plate 14 at intervals, a press roller 17 is disposed between the two fixing plates 16 through a roller, and the press roller 17 can press or keep away from the outer edge of the leather strip. From this, telescopic rod can carry out concertina movement to adjust the distance between compression roller 17, the belt outer fringe, in case compression roller 17 contacts the belt outer fringe, compression roller 17 alright rotate around the roller bearing and can not obstruct the rotation of belt, and continue to adjust telescopic rod and can make compression roller 17 can further extrude the belt, thereby make the belt tighten up, guaranteed the precision of the focusing of the device from this.
In the above embodiment, the pressing roller 17 may press the upper layer of the leather strip or the lower layer of the leather strip, and the pressing roller 17 may preferably press or be away from the outer edge of the upper layer of the leather strip in view of the convenience of adjusting the expansion and contraction of the telescopic rod.
In addition, from the viewpoint of the overall stability of the device, it is preferable that both sets of the telescopic bars are mounted on the base plate 10.
In the present invention, the specific structure of the telescopic rod is not particularly limited, but in order to further improve the convenience of the adjustment of the telescopic rod, it is preferable that the telescopic rod comprises a fixed rod 11 and a telescopic rod 12 in sequence, the support plate 14 is fixed between the two telescopic rods 12, and the telescopic rods 12 can perform telescopic motion under the action of the driving part. Wherein, the fixed rod 11 plays a supporting role, and the telescopic rod 12 plays a telescopic adjustment role.
In the above embodiment, the specific structure of the driving member is not particularly limited, but in order to further improve the driving sensitivity, it is preferable that the driving member is selected from at least one of a cylinder and a hydraulic cylinder.
Finally, in the present invention, the connection manner between the telescopic rod 12 and the support plate 14 can be selected in a wide range, but in order to improve the structural stability between the telescopic rod 12 and the support plate 14, it is preferable that the telescopic rod 12 is sleeved with an upper lock sleeve 15 and a lower lock sleeve 13, and the support plate 14 is located between the upper lock sleeve 15 and the lower lock sleeve 13. Therefore, the upper lock sleeve 15 and the lower lock sleeve 13 are matched with each other, so that the support plate 14 can be stably fixed between the upper lock sleeve 15 and the lower lock sleeve 13, and the working stability between the telescopic rod 12 and the support plate 14 is improved.
Further, as shown in fig. 3 and 4, in order to realize that focusing with different accuracies can be realized by the same driving motor 1, a tension adjusting structure is provided between the output shaft 2 and the focusing fixing cylinder 3 of the present invention, and the output shaft 2 sleeved on the spindle 101 of the driving motor 1 specifically includes:
including first threaded shaft 21 and second threaded shaft 22, and the pitch of first threaded shaft 21 and second threaded shaft 22 is different, and first threaded shaft 21 and second threaded shaft 22 set up on same axis body 23, the axis body 23 with driving motor 1's dabber 101 is connected.
The focus fixing cylinder 3 of the present invention includes a first fixing cylinder 31 fitted with the first screw shaft 21, and a second fixing cylinder 32 fitted with the second screw shaft 22, the first fixing cylinder 31 and the second fixing cylinder 32 being mounted on the same main cylinder body 33.
A transmission belt: comprises a first transmission belt 41 which is matched and connected with the first threaded shaft 21 and the first fixed cylinder 31, and a second transmission belt 42 which is matched and connected with the second threaded shaft 22 and the second fixed cylinder 32.
Wherein, install first belt on driving motor 1's dabber 101 and keep off frame 18, install second belt on the main cylinder body 33 and keep off frame 19, first belt keeps off frame 18 and second belt and keeps off frame 19 and all includes the fixed disk and installs the arc plate body 103 on fixed disk 102 edge and perpendicular fixed disk surface.
The fixed disk 102 of the first belt blocking frame 18 is sleeved on the spindle 101 of the driving motor 1, the diameter of the fixed disk 102 is slightly larger than that of the spindle 101, the fixed disk 101 of the second belt blocking frame 19 is sleeved on the main cylinder 33, and the diameter of the fixed disk 102 of the second belt blocking frame 19 is slightly larger than that of the main cylinder 33.
In order to further optimize the function of the lateral rotation adjusting bracket, two tension adjusting structures with the same structure are arranged on the supporting plate 14, and the tension adjusting structures are used for enabling the middle of the first transmission belt 41 or the second transmission belt 42 to move towards or away from each other, and the transmission belt is wound around the outer surface of the arc-shaped plate body 103, so that the purpose is to approach the middle of the first transmission belt 41 or the second transmission belt 42 through the tension adjusting structures, in the process, the part of the first transmission belt 41 or the second transmission belt 42 wound around the arc-shaped plate body 103 is meshed with the first threaded shaft 21 and the first fixed cylinder 31 (namely, in the initial state, due to the blocking of the arc-shaped plate body and the structural memory of the transmission belt, the transmission belt cannot be meshed with the first threaded shaft and the first fixed cylinder under the condition of no adjustment of the tension adjusting structures), therefore, the focus adjustment of the focusing barrel 7 by the same driving motor with different accuracies can be realized by setting different thread pitches on the first threaded shaft 21 and the second threaded shaft 22.
It is further noted that the first threaded shaft and the second threaded shaft in the present invention have a certain distance therebetween to satisfy the maximum adjustable range of the focal length adjustment.
In the present invention, the tension adjusting structure may not be specifically limited, but in order to realize accurate selection of engagement between the first threaded shaft, the second threaded shaft, the first fixed cylinder, and the second fixed cylinder with the transmission belt, the tension adjusting structure specifically includes: two sets of guide fixing plates 161 mounted on the support plate perpendicular to the surface of the support plate 14, the supporting plate 14 is provided with a through guide groove 162 for the guide fixing plate 161 to pass through, a first pressing roller 163 and a second pressing roller 164 are installed between a group of two guide fixing plates 161 in parallel, wherein, two ends of the second pressing roller 164 are fixedly connected with the supporting plate 14 through a support rod 165, that is, the inner side surface of the guide fixing plate 161 is provided with a groove body for relative movement between the guide fixing plate 161 and the support rod 165, the groove body is matched with the support rod 165, a group of two guide fixing plates 161 pass through the guide groove 162 and extend to the end part of the upper part of the supporting plate 14 to be connected with a micro telescopic rod 166, the micro telescopic rod 166 is used for driving the guide fixing plate 161 to move along the through guide groove 162, and further, the top of the bracket rod 165 is connected with the top of the groove body through a spring.
Preferably, in order to realize accurate contact transmission between the transmission belt and the threaded shaft, the arc of the arc-shaped plate body 103 is 1/18 of the arc of the output shaft 2.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (13)
1. An interior rotation laser head device which characterized in that: the inner rotation laser head device comprises a driving motor (1), a focusing positioning barrel (8), a focusing fixing barrel (3), a focusing barrel (7) and a lateral rotation adjusting frame (4); the focusing barrel (7) penetrates through the focusing fixed barrel (3), and the end part of the focusing barrel (7) extends into the focusing positioning barrel (8); a leather strip is sleeved between the focus fixing barrel (3) and an output shaft (2) of the driving motor (1), and the driving motor (1) can drive the focus fixing barrel (3) to rotate so as to drive the focus focusing barrel (7) to move back and forth for focusing; the lateral rotation adjusting frame (4) can adjust the tightness degree of the leather strips.
2. The inner rotary laser head apparatus of claim 1, wherein: the focusing device is characterized in that external threads are arranged outside the focusing barrel (7), and internal threads matched with the external threads are arranged on the inner wall of the focusing fixing barrel (3).
3. The inner rotary laser head apparatus of claim 1, wherein: and a belt mounting groove is formed in the outer wall of the focusing fixing cylinder (3).
4. The inner rotary laser head apparatus of claim 1, wherein: interior rotation laser head device still includes bottom plate (10), driving motor (1) set up in on bottom plate (10), a focus location section of thick bamboo (8) are fixed in through locating rack (5) on bottom plate (10).
5. The inner rotary laser head apparatus of claim 4, wherein: the base plate (10) is further provided with a guide frame (6), and the end part of the focusing barrel (7) can penetrate through the guide frame (6).
6. An internal rotation laser head apparatus according to any one of claims 1 to 5 wherein: the driving motor (1) is provided with a speed reducer.
7. An internal rotation laser head apparatus according to any one of claims 1 to 5 wherein: lateral rotation alignment jig (4) includes two sets of flexible member, be provided with backup pad (14) between two sets of flexible member, the interval is provided with two fixed plates (16), two on the homonymy of backup pad (14) be provided with compression roller (17) through the roller bearing between fixed plate (16), compression roller (17) can compress tightly or keep away from the outer fringe of leather strap.
8. The inner rotary laser head apparatus of claim 7, wherein: the press roller (17) can press or be far away from the outer edge of the upper layer of the leather strip.
9. The inner rotary laser head apparatus of claim 7, wherein: the telescopic rod piece sequentially comprises a fixed rod (11) and telescopic rods (12), the supporting plate (14) is fixed between the two telescopic rods (12), and the telescopic rods (12) can perform telescopic motion under the action of the driving part.
10. The inner rotary laser head apparatus of claim 9, wherein: the telescopic rod (12) is sleeved with an upper lock sleeve (15) and a lower lock sleeve (13), and the supporting plate (14) is located between the upper lock sleeve (15) and the lower lock sleeve (13).
11. The inner rotary laser head apparatus of claim 1, wherein: a tension adjusting structure is arranged between the output shaft (2) and the focusing fixed cylinder (3);
the output shaft (2) comprises a first threaded shaft (21) and a second threaded shaft (22), the thread pitches of the first threaded shaft (21) and the second threaded shaft (22) are different, the first threaded shaft (21) and the second threaded shaft (22) are arranged on the same shaft body (23), and the shaft body (23) is connected with a spindle (101) of the driving motor (1);
the focusing fixed cylinder (3) comprises a first fixed cylinder (31) matched with the first threaded shaft (21) and a second fixed cylinder (32) matched with the second threaded shaft (22), and the first fixed cylinder (31) and the second fixed cylinder (32) are arranged on the same main cylinder body (33);
wherein the first threaded shaft (21) and the first fixed cylinder (31) are connected by a first transmission belt (41), and the second threaded shaft (22) and the second fixed cylinder (32) are connected by a second transmission belt (42);
a first belt blocking frame (18) is installed on a mandrel (101) of the driving motor (1), a second belt blocking frame (19) is installed on the main cylinder body (33), and the first belt blocking frame (18) and the second belt blocking frame (19) respectively comprise a fixed disc (102) and an arc-shaped plate body (103) which is installed at the edge of the fixed disc (102) and is perpendicular to the surface of the fixed disc;
the tension adjusting structure is used for enabling the two parallel belt bodies of the first transmission belt 41 or the second transmission belt 42 to move towards or away from each other.
12. The inner rotary laser head apparatus of claim 11, wherein: the tension adjusting structure comprises two groups of guide fixing plates (161) which are perpendicular to the surface of the supporting plate (14) and are arranged on the supporting plate, the number of the guide fixing plates (161) in one group is two, a penetrating guide groove (162) for the guide fixing plates (161) to penetrate through is formed in the supporting plate (14), and a first pressing roller (163) and a second pressing roller (164) are arranged between the two guide fixing plates (161) in one group in parallel;
the two ends of the second pressing roller (164) are fixedly connected with the supporting plate (14) through support rods (165), a group of two guide fixing plates (161) penetrate through the penetrating guide groove (162) and extend to the end part of the upper part of the supporting plate (14), and a micro telescopic rod (166) is connected to the end part of the group of two guide fixing plates and is used for driving the guide fixing plates (166) to move along the penetrating guide groove (162).
13. The inner rotary laser head apparatus of claim 11, wherein: the radian of the arc-shaped plate body (103) is 1/18 of the radian of the output shaft (2).
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| CN202111330984.6A CN113909680B (en) | 2021-11-11 | 2021-11-11 | Internal rotation laser head device |
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|---|---|---|---|
| CN202111330984.6A CN113909680B (en) | 2021-11-11 | 2021-11-11 | Internal rotation laser head device |
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| CN113909680A true CN113909680A (en) | 2022-01-11 |
| CN113909680B CN113909680B (en) | 2022-08-19 |
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| CN110568698A (en) * | 2019-06-28 | 2019-12-13 | 河北鹰眼智能科技有限公司 | Automatic focusing device of industrial camera |
| CN213023717U (en) * | 2020-09-27 | 2021-04-20 | 苏州万店掌软件技术有限公司 | Lens focusing device |
| CN215986857U (en) * | 2020-12-10 | 2022-03-08 | 深圳创鉴科技有限公司 | Projector with adjusting structure for improving stability |
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| CN113909680B (en) | 2022-08-19 |
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