CN210412528U - Motor control laser zooms facula automatically regulated mechanism - Google Patents
Motor control laser zooms facula automatically regulated mechanism Download PDFInfo
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- CN210412528U CN210412528U CN201921252204.9U CN201921252204U CN210412528U CN 210412528 U CN210412528 U CN 210412528U CN 201921252204 U CN201921252204 U CN 201921252204U CN 210412528 U CN210412528 U CN 210412528U
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Abstract
The utility model discloses a motor control laser zooms facula automatic regulating mechanism, including casing part, adjustment mechanism installs on casing part, is equipped with QBH joint, fixed mirror, light path guide on casing part, and fixed mirror cooperation QBH connects, is equipped with the movable mirror that cooperates the fixed mirror on the adjustment mechanism, and light path guide cooperates the movable mirror; the adjusting mechanism comprises a linear mechanism and a rotating mechanism, the linear mechanism is a screw nut mechanism, a screw is arranged on the shell part, the rotating mechanism is arranged on a nut, and the movable mirror is arranged on the rotating mechanism. In the actual working process, the whole adjusting mechanism is driven to move under the control of the numerical control system, the laser beam is output from the light path guide piece, the position of the laser beam relative to the light path guide piece is unchanged, the adjusting mechanism drives the movable mirror to translate and rotate at an angle, the diameter of a light spot at a processing position is further changed, and the requirement for accurate translation can be met by adopting the screw and nut mechanism. The rotating mechanism adopts a small gear to drive a large gear, so that the rotation is ensured to be slow and accurate.
Description
Technical Field
The utility model belongs to the technical field of laser control adjusts technique and specifically relates to a facula automatic regulating mechanism is zoomed to motor control laser.
Background
The integral technology maturity of the existing domestic metal laser additive manufacturing equipment is not high, and compared with the traditional technology, the metal laser additive manufacturing equipment has a great improvement space; at present, a laser coating head in metal laser additive manufacturing equipment adopts high-power laser, and the amount of materials required by an additive position needs to be controlled by the size of a laser spot.
Under the ideal condition, similar to the processing of a numerical control processing center, the three-dimensional size of the processed object is input into a numerical control system of equipment, and the system controls the change of the size of a light spot of a light beam through a mechanical mechanism to perform additive machining.
Generally, the laser spot is changed by driving the mirror to move and rotate through a mechanical mechanism, but the structural adjustment precision for executing the laser spot size change is not high, and the size is mostly manually adjusted, so that the precision of a formed part is not high, and the efficiency is low. The current research on the technical equipment is not deep enough, which causes various problems in the manufacturing of metal laser additive manufacturing equipment.
Disclosure of Invention
The utility model discloses be exactly for solving the above-mentioned not enough that prior art exists, a motor control laser facula automatically regulated mechanism that zooms is provided, in the actual work process, whole adjustment mechanism carries out the position removal under the drive under the control of numerical control system, the laser beam is followed the output of light path guide, the laser beam is unchangeable for the position of light path guide, by adjustment mechanism drive movable mirror translation and angular rotation, and then change the facula diameter of processing position, adopt lead screw nut mechanism can satisfy the demand of accurate translation. The rotating mechanism adopts a small gear to drive a large gear, so that the rotation is ensured to be slow and accurate.
The utility model provides a technical scheme that its technical problem adopted is:
a motor-controlled laser zooming light spot automatic regulating mechanism comprises a shell part and a regulating mechanism, wherein the regulating mechanism is arranged on the shell part, a QBH joint, a fixed mirror and a light path guide piece are arranged on the shell part, the fixed mirror is matched with the QBH joint, a movable mirror matched with the fixed mirror is arranged on the regulating mechanism, and the light path guide piece is matched with the movable mirror;
the adjusting mechanism comprises a linear mechanism and a rotating mechanism, the linear mechanism is a screw nut mechanism, a screw is arranged on the shell part, the rotating mechanism is arranged on a nut, and the movable mirror is arranged on the rotating mechanism.
The casing part include backup pad, bounding wall, sharp mechanism install in the backup pad, the backup pad is equipped with the bounding wall all around, QBH connects, fixed mirror, light path guide all establish on the bounding wall, the laser beam connects by QBH to send, passes through fixed mirror, activity mirror, light path guide in proper order, by the output of light path guide.
The linear mechanism include mechanism mounting bracket, guide rail, lead screw, the nut of cooperation lead screw, translation motor, guide rail, lead screw are parallel to each other and install on mechanism mounting bracket, translation motor drive connection lead screw, mechanism mounting bracket installs in the backup pad, the nut slides and establishes on the guide rail, install big bottom plate on the nut, be equipped with slewing mechanism on the big bottom plate.
The translation motor is arranged on the supporting plate and is connected with the lead screw through the matching drive of the synchronizing wheel and the synchronizing belt.
The mechanism mounting frame is provided with a linear photoelectric switch, and the large bottom plate is provided with a linear catch matched with the linear photoelectric switch.
The rotating mechanism comprises a rotating motor, a large gear, a rotating shaft support and a rotating shaft, the rotating shaft support is arranged on the large bottom plate, the rotating shaft is arranged on the rotating shaft support, the large gear is arranged at one end of the rotating shaft, the rotating motor is arranged on the large bottom plate, and the rotating motor is connected with the large gear through a gear arranged at the shaft end of the motor in a driving way;
the other end of the rotating shaft is provided with a mirror bracket, and a movable mirror is arranged on the mirror bracket.
The rotating shaft is provided with a rotating separation blade, and the large bottom plate is provided with a rotating photoelectric switch matched with the rotating separation blade.
The casing part install the water-cooling and connect, fixed mirror, activity mirror be the copper product, fixed mirror, the inside cooling tube way that all is equipped with of activity mirror, the cooling tube way links to each other with the external world through the cooling water hole, the water-cooling connects through the tube coupling cooling water hole.
The utility model has the advantages that:
1. in the actual working process, the whole adjusting mechanism is driven to move under the control of the numerical control system, the laser beam is output from the light path guide piece, the position of the laser beam relative to the light path guide piece is unchanged, the adjusting mechanism drives the movable mirror to translate and rotate at an angle, the diameter of a light spot at a processing position is further changed, and the requirement for accurate translation can be met by adopting the screw and nut mechanism. The rotating mechanism adopts a small gear to drive a large gear, so that the rotation is ensured to be slow and accurate.
2. The shell part mainly plays a role of a modular support, a supporting plate for installing equipment is used, the other enclosing plate is used for shielding high-intensity laser, a fixed mirror and a light path guide part which correspondingly change a light path are arranged on the enclosing plate, so that the laser transmission is ensured not to be interfered, and meanwhile, the whole mechanism driven by a numerical control system is more stable.
3. The translation motor adopts a servo motor, the screw nut mechanism adopts a ball screw to drive the screw nut mechanism, the running precision of the mechanism is ensured, and the translation stability of the mechanism is improved by the cooperation of the guide rail.
4. In order to save space, a translation motor and a lead screw are arranged in parallel, a synchronous belt and the synchronous belt are used for driving, meanwhile, in order to guarantee that related alarm exists when a mechanism breaks down, a linear photoelectric switch is arranged on a mounting frame, a linear blocking piece matched with the linear photoelectric switch is arranged on a large bottom plate, the linear photoelectric switch is a correlation type photoelectric switch, the limit stroke is exceeded when the correlation space is blocked by the linear blocking piece, and then a numerical control system controls the mechanism to stop working, so that the method is simple, feasible and stable, and is not prone to breaking down.
5. The rotary motor is also a servo motor, the large gear is driven by the small gear to drive the movable mirror to rotate, the driving precision is ensured, and meanwhile, a rotary photoelectric switch which is the same as the linear photoelectric switch is arranged and matched with the rotary catch; the rotating blocking piece is normal when the opposite-emitting space is blocked, otherwise, the fault alarm is performed, and the device is simple, easy and stable and is not easy to break down.
Drawings
FIG. 1 is an assembly view of the linear mechanism and the rotating mechanism of the present invention;
FIG. 2 is an exploded view of the linear mechanism and the rotating mechanism of the present invention;
FIG. 3 is an overall assembly view of the present invention;
FIG. 4 is a side view of the guide rail and the lead screw of the present invention;
fig. 5 is a view showing the linear photoelectric switch and the linear blocking piece of the present invention.
In the figure: 1-housing part, 2-linear mechanism, 3-rotary mechanism, 11-support plate, 12-coaming, 13-QBH joint, 14-fixed mirror, 15-light path guide, 16-water cooling joint, 21-translation motor, 22-guide rail, 23-lead screw, 24-nut, 25-big bottom plate, 26-mechanism mounting frame, 27-linear photoelectric switch, 28-linear baffle, 29-synchronous wheel, 31-rotary motor, 32-big gear, 33-rotating shaft support, 34-rotating shaft, 35-mirror support, 36-movable mirror, 37-cooling water hole, 38-rotary photoelectric switch, and 39-rotary baffle.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily limit the invention. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A motor-controlled laser zooming light spot automatic regulating mechanism comprises a shell part 1 and a regulating mechanism, wherein the regulating mechanism is installed on the shell part 1, a QBH joint 13, a fixed mirror 14 and a light path guide piece 15 are arranged on the shell part 1, the fixed mirror 14 is matched with the QBH joint 13, a movable mirror 36 matched with the fixed mirror 14 is arranged on the regulating mechanism, and the light path guide piece 15 is matched with the movable mirror 36;
the adjusting mechanism comprises a linear mechanism 2 and a rotating mechanism 3, the linear mechanism 2 is a screw-nut mechanism, a screw 23 is arranged on the shell part 1, the rotating mechanism 3 is arranged on a nut 24, and a movable mirror 36 is arranged on the rotating mechanism 3.
As shown in fig. 3, in the actual working process, the whole adjusting mechanism is driven by the numerical control system to move in position, the laser beam is output from the light path guide 15, the position of the laser beam relative to the light path guide 15 is unchanged, the adjusting mechanism drives the movable mirror 36 to translate and rotate in angle, the spot diameter of the machining position is further changed, and the requirement for accurate translation can be met by adopting the screw and nut mechanism. The rotating mechanism adopts a pinion to drive the bull gear 32, so that the rotation is slow and accurate.
As shown in fig. 3, the housing portion 1 includes a supporting plate 11 and a surrounding plate 12, the linear mechanism 2 is installed on the supporting plate 11, the surrounding plate 12 is arranged around the supporting plate 11, the QBH connector 13, the fixed mirror 14 and the light path guide 15 are all arranged on the surrounding plate 12, the laser beam is emitted by the QBH connector 13, sequentially passes through the fixed mirror 14, the movable mirror 36 and the light path guide 15, and is output by the light path guide 15.
The shell part 1 mainly plays a role of a modular support, a supporting plate 11 for installing equipment is used, a coaming 12 for shielding high-intensity laser is arranged on the other side of the shell part, a fixed mirror 14 and a light path guide piece 15 which correspondingly change a light path are arranged on the coaming 12, so that the laser transmission is ensured not to be interfered, and meanwhile, the whole mechanism driven by a numerical control system can be more stable.
The translation motor 21 adopts a servo motor, the screw nut mechanism adopts a ball screw to drive the screw nut mechanism, the running precision of the mechanism is ensured, and the translation stability of the mechanism is improved by the cooperation of the guide rail 22.
The translation motor 21 is installed on the support plate 11, and the translation motor 21 is connected with the lead screw 23 through the matching drive of a synchronous wheel 29 and a synchronous belt. The mechanism mounting frame 26 is provided with a linear photoelectric switch 27, and the large bottom plate 25 is provided with a linear baffle 27 matched with the linear photoelectric switch 27.
In order to save space, a translation motor 21 and a lead screw 23 are arranged in parallel, a synchronous belt and a synchronous wheel 29 are used for driving, meanwhile, in order to guarantee that related alarm exists when the mechanism breaks down, two linear photoelectric switches 27 are arranged on a mechanism mounting frame 26, a linear blocking piece 28 matched with the linear photoelectric switches 27 is arranged on a large bottom plate 25, the linear photoelectric switches 27 are opposite-type photoelectric switches, the opposite-type space is blocked by the linear blocking piece 28, namely, the limit stroke is exceeded, then a numerical control system controls the mechanism to stop working, and the method is simple, feasible and stable and is not prone to breaking down.
The rotating mechanism 3 comprises a rotating motor 31, a gearwheel 32, a rotating shaft support 33 and a rotating shaft 34, the rotating shaft support 33 is installed on the large bottom plate 25, the rotating shaft 34 is installed on the rotating shaft support 33, the gearwheel 32 is installed at one end of the rotating shaft 34, the rotating motor 31 is installed on the large bottom plate 25, and the rotating motor 31 is connected with the gearwheel 32 through a gear arranged at the end of the motor shaft in a driving manner;
the other end of the rotating shaft 34 is provided with a mirror bracket 35, and the mirror bracket 35 is provided with a movable mirror 36.
The rotating shaft 34 is provided with a rotating baffle 39, and the large bottom plate 25 is provided with a rotating photoelectric switch 38 matched with the rotating baffle 39.
The rotating motor 31 is also a servo motor, the large gear 32 is driven by the small gear to drive the movable mirror 36 to rotate, the driving precision is ensured, and meanwhile, a rotating photoelectric switch 38 which is the same as the linear photoelectric switch 27 is arranged and is matched with a rotating baffle 39; the shielding of the correlation space by the rotary blocking piece 39 is normal, otherwise, the fault alarm is performed, and the method is simple, easy and stable, and is not easy to generate faults.
Casing part 1 install water-cooling and connect 16, fixed mirror 14, activity mirror 36 be the copper product, fixed mirror 14, the inside cooling tube way that all is equipped with of activity mirror 36, the cooling tube way links to each other with the external world through cooling water hole 37, water-cooling connects 16 and passes through pipe connection cooling water hole 37.
Copper material workable also is applicable to powerful laser, increases the water-cooling pipeline and cools off, and QBH connects 13 to connect for the water-cooling, can not appear the too high condition of equipment temperature like this.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (8)
1. A motor-controlled laser zooming facula automatic regulating mechanism is characterized by comprising a shell part and a regulating mechanism, wherein the regulating mechanism is arranged on the shell part, a QBH joint, a fixed mirror and a light path guide piece are arranged on the shell part, the fixed mirror is matched with the QBH joint, a movable mirror matched with the fixed mirror is arranged on the regulating mechanism, and the light path guide piece is matched with the movable mirror;
the adjusting mechanism comprises a linear mechanism and a rotating mechanism, the linear mechanism is a screw nut mechanism, a screw is arranged on the shell part, the rotating mechanism is arranged on a nut, and the movable mirror is arranged on the rotating mechanism.
2. The automatic motor-controlled laser zoom light spot adjusting mechanism according to claim 1, wherein the housing portion comprises a support plate and a surrounding plate, the linear mechanism is mounted on the support plate, the surrounding plate is arranged around the support plate, the QBH connector, the fixed mirror and the light path guide are arranged on the surrounding plate, and the laser beam is emitted by the QBH connector, sequentially passes through the fixed mirror, the movable mirror and the light path guide, and is output by the light path guide.
3. The automatic motor-controlled laser zoom light spot adjusting mechanism as claimed in claim 2, wherein the linear mechanism comprises a mechanism mounting frame, a guide rail, a lead screw, a nut engaged with the lead screw, and a translation motor, the guide rail and the lead screw are mounted on the mechanism mounting frame in parallel, the translation motor is driven to connect the lead screw, the mechanism mounting frame is mounted on the supporting plate, the nut is slidably disposed on the guide rail, a large bottom plate is mounted on the nut, and a rotating mechanism is disposed on the large bottom plate.
4. The automatic motor-controlled laser zoom light spot adjustment mechanism as claimed in claim 3, wherein the mechanism mounting frame is provided with a linear photoelectric switch, and the large bottom plate is provided with a linear baffle plate matching with the linear photoelectric switch.
5. The automatic motor-controlled laser zoom light spot adjusting mechanism as claimed in claim 3, wherein the rotating mechanism comprises a rotating motor, a gearwheel, a rotating shaft bracket and a rotating shaft, the rotating shaft bracket is mounted on the large base plate, the rotating shaft is mounted on the rotating shaft bracket, the gearwheel is mounted at one end of the rotating shaft, the rotating motor is mounted on the large base plate, and the rotating motor is connected with the gearwheel through a gear arranged at the shaft end of the motor;
the other end of the rotating shaft is provided with a mirror bracket, and a movable mirror is arranged on the mirror bracket.
6. The automatic motor-controlled laser zoom light spot adjusting mechanism as claimed in claim 5, wherein the rotating shaft is provided with a rotating stop piece, and the large bottom plate is provided with a rotating photoelectric switch matched with the rotating stop piece.
7. The automatic motor-controlled laser zoom light spot adjustment mechanism as claimed in claim 3, wherein the translation motor is mounted on the support plate, and the translation motor is coupled to the lead screw through a synchronous wheel and a synchronous belt.
8. The automatic adjusting mechanism for laser zoom light spots according to claim 5, wherein the housing is partially provided with a water cooling joint, the fixed mirror and the movable mirror are made of copper, the fixed mirror and the movable mirror are both provided with cooling pipelines inside, the cooling pipelines are connected with the outside through cooling water holes, and the water cooling joint is connected with the cooling water holes through pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921252204.9U CN210412528U (en) | 2019-08-02 | 2019-08-02 | Motor control laser zooms facula automatically regulated mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921252204.9U CN210412528U (en) | 2019-08-02 | 2019-08-02 | Motor control laser zooms facula automatically regulated mechanism |
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| Publication Number | Publication Date |
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| CN210412528U true CN210412528U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921252204.9U Active CN210412528U (en) | 2019-08-02 | 2019-08-02 | Motor control laser zooms facula automatically regulated mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110385435A (en) * | 2019-08-02 | 2019-10-29 | 山东省科学院激光研究所 | A kind of motor control laser variable-focus hot spot automatic adjusting mechanism |
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2019
- 2019-08-02 CN CN201921252204.9U patent/CN210412528U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110385435A (en) * | 2019-08-02 | 2019-10-29 | 山东省科学院激光研究所 | A kind of motor control laser variable-focus hot spot automatic adjusting mechanism |
| CN110385435B (en) * | 2019-08-02 | 2024-03-01 | 山东省科学院激光研究所 | Motor-controlled laser zooming facula automatic adjusting mechanism |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220328 Address after: 250104 Room 302, building 3, No. 818, Chunbo Road, East District, high tech Zone, Jinan City, Shandong Province Patentee after: Shandong Shanke Meirui Photoelectric Technology Co.,Ltd. Address before: 272000 block B, building A3, industry university research base, high tech Zone, No.9 Haichuan Road, Jining City, Shandong Province Patentee before: LASER INSTITUTE,SHANDONG ACADEMY OF SCIENCES |
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