CN211305194U - Adsorbable electromagnetic field auxiliary device for large parts - Google Patents
Adsorbable electromagnetic field auxiliary device for large parts Download PDFInfo
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- CN211305194U CN211305194U CN201922136118.8U CN201922136118U CN211305194U CN 211305194 U CN211305194 U CN 211305194U CN 201922136118 U CN201922136118 U CN 201922136118U CN 211305194 U CN211305194 U CN 211305194U
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Abstract
The adsorbable electromagnetic field auxiliary device for the large part comprises an iron core which can be adsorbed on the part to be processed, wherein the iron core is an integrated rectangular frame; two electromagnetic coils are respectively arranged on the two transverse edges, and the two electromagnetic coils point to the part to be processed in opposite magnetic field directions; the longitudinal edge of the iron core is provided with a photoelectric sensor, the photoelectric sensor senses the longitudinal real-time position of the laser head, and the data output end of the photoelectric sensor is connected with the central controller; the longitudinal opposite sides of the iron core are respectively provided with a screw rod moving device; the control end of the motor is connected with the central controller; the longitudinal opposite sides of the iron core are respectively provided with an electric brush device, electric brush heads of the electric brush devices slide on the surface of the part to be processed, and two electric brush heads form a directional electric field; the electric brush device is fixedly connected with the sliding block; the control end of the motor is connected with the central controller to adjust the position of the electric brush device, so that the two electric brush heads and the laser head always keep a straight line, and the stability and uniformity of an electric field in a laser processing area are ensured.
Description
Technical Field
The utility model relates to an electromagnetic field auxiliary device for large part laser beam machining usefulness
Background
Large parts are often large in size and heavy in weight, and once a fault occurs, the loss of benefit is immeasurable. Large parts are inconvenient to disassemble and move, so field repair is frequently carried out. With the development of laser technology, laser processing is gradually applied to practical industrial application, and due to the high automation degree and high processing flexibility of laser processing, field processing of failed parts can be well realized, so that laser repair is gradually applied to wider practical application. However, the traditional laser processing is easy to have the problems of air hole cracks and the like, and the quality and the service performance of a laser processing area are influenced. At present, in order to solve the defects of air holes and the like, an external energy field such as an electromagnetic field, a vibration field and the like can be used. In terms of an external electromagnetic field, the requirement on the intensity of the electromagnetic field required by laser processing is high, so that the electromagnetic field equipment is heavy and is not suitable for field laser processing with frequent transportation, and the possibility of integration of the electromagnetic field device on the laser processing equipment and follow-up of the electromagnetic field device is limited due to the large volume and weight of the electromagnetic field device.
A wall-climbing laser manufacturing platform capable of providing steady-state magnetic field assistance, which is filed by wang beam of Zhejiang industrial university and is filed by the patent application number CN 201721648238.0. The device comprises a vehicle frame, a laser head, a magnetic control tire and the like, but the device only integrates a stable magnetic field to assist laser processing, cannot form Lorentz force, and has limited air hole regulation and control effect. Meanwhile, the device adopts 4 magnetic wheels to provide a stable magnetic field, the contact surface of the magnetic wheel with a part to be processed is small, and the magnetic field distribution formed among the four magnetic wheels is not a stable directional magnetic field, namely, the laser head moves in a working area during the processing process, the magnetic field directions are all different, the regulation and control functions of the magnetic field are different, and the laser processing quality is different.
To the problem that exists among the on-the-spot laser beam machining of above-mentioned large-scale part, the utility model provides an electromagnetic field auxiliary device for large-scale part laser beam machining usefulness. The invention adopts an integrated iron core and simultaneously serves as a structural framework of the device. The two iron core heads are respectively a positive pole and a negative pole of a magnetic pole, so that the two iron core heads are adsorbed on a part to be processed, and the two iron core heads adopt large-size iron core heads so as to ensure that stable equidirectional uniform field intensity is formed in a processing area. The electric field is provided by two electric brush devices, and two electric brushes move along with the laser head and are always kept on a straight line so as to ensure the stability and uniformity of the electric field in the laser processing area. The electric field and the magnetic field provided by the device act together to form directional Lorentz force, and additional volume force is provided for laser field repair, so that the laser processing quality is improved.
Disclosure of Invention
The utility model discloses overcome above-mentioned technical problem, provide an electromagnetic field auxiliary device for large-scale part laser processing usefulness, adsorb in waiting to process the part through the integral type iron core and provide the even strong directional magnetic field of stable-state simultaneously, provide stable directional electric field with the brush device of laser head follow-up, both couplings form the lorentz force to improve laser processing's quality.
The adsorbable electromagnetic field auxiliary device for the large part comprises an iron core 3 adsorbable on a part 1 to be processed, wherein the iron core 3 is provided with an integrated rectangular frame and comprises a pair of transverse edges and a pair of longitudinal edges; two transverse edges are respectively provided with an electromagnetic coil 2, the two electromagnetic coils 2 are connected in series to form a magnetic field direction, one N-level points to the part 1 to be processed, and the other S-level points to the part 1 to be processed;
the laser head 5 moves in the inner space of the iron core 3; a photoelectric sensor 4 is arranged on the longitudinal edge of the iron core 3, the photoelectric sensor 4 senses the longitudinal real-time position of the laser head 5, and the data output end of the photoelectric sensor 4 is connected with the central controller; the photosensor 4 includes a photoelectric emitter 401 and a photoelectric receiver 402 mounted on the two longitudinal sides, respectively;
the longitudinal opposite sides of the iron core 3 are respectively provided with a screw rod movement device 6, and the two screw rod movement devices 6 are symmetrically arranged; the screw rod movement device 6 comprises a motor 601, a base 602, a screw rod 603 and a slide block 604, wherein the screw rod 603 is connected with the iron core 3 through the base 602, the motor 601 drives the screw rod 603 to rotate, and the internal thread of the slide block 604 is meshed on the screw rod 603;
the longitudinal opposite sides of the iron core 3 are respectively provided with an electric brush device 7, and an electric brush head 701 of the electric brush device 7 slides on the surface of the part 1 to be processed to form a directional electric field; the brush fixture 702 of the brush device 7 is fixedly connected with the sliding block 604; the electric brush fixture 702 is provided with an elastic copper sheet 703, one surface of the electric brush head 701, which is far away from the part 1 to be processed, is in contact with the elastic copper sheet 703, and the elastic copper sheet 703 enables the electric brush head 701 to be always in contact with the part 1 to be processed in the motion process;
at least one of the brush holder 702 and the slider 604 is made of a heat-resistant insulating material;
the control end of the motor 601 is connected with a central controller to adjust the position of the brush device 7, so that the two brush heads 701 and the laser head 5 always keep a straight line.
Preferably, the bottoms of the laterally opposite sides of the iron core 3 are each provided with one electromagnetic coil 2, and the bottoms of the laterally opposite sides of the electromagnetic coils 2 are in contact with the part 1 to be machined.
Preferably, the brush head 701 is a one-piece conductive block, and the contact surface of the brush head 701 and the part 1 to be processed is in a circular arc shape.
Preferably, the brush fixture 702 is counter bored and attached to the slider 604 with screws.
Preferably, the surface to be machined of the part 1 to be machined is a plane surface, or a curved surface, or an inclined surface, or a vertical surface, or an elevation working surface.
The iron core 3 adopts an integrated iron core, namely, the integrated iron core serves as a magnetic conduction iron core and a bearing structure frame of the device;
in the electromagnetic field device, two electromagnetic coils 2 form a stable directional uniform magnetic field in the mutual region, and the direction of the magnetic field can be changed along with the change of the current anode and the current cathode in the electromagnetic coils.
The two electric brush devices 7 and the laser head 5 are always kept on the same straight line, so that the electric field at the position of the laser head 7 is a stable and directional uniform electric field, the electric field intensity is high, and the current utilization rate is high. The direction of the electric field can be changed along with the change of the positive and negative poles of the current.
The magnetic and electric fields interact to form a stable Lorentz force with controllable direction. And the electric brush device 7 is followed with the laser head 5, thereby ensuring that the Lorentz force direction of the laser head 5 processing area is maintained stable.
The utility model discloses have following two points:
(1) the electric brush device converts position signals into electric signals through real-time detection of the photoelectric sensor on the position of the laser head, and the electric brush device and the laser head are driven to always keep a straight line, so that the laser processing area is always located at a relative fixed position in an electric field area in the laser processing process, the electric field distribution direction of the processing area is stable, the isotropy is good, and the electric field size is stable.
(2) The device adopts an integrated iron core as a magnetic conduction iron core and a structural framework. The iron core head adopts a large-size structure, can form a large-area directional uniform magnetic field in a region to be processed, improves the stability of the direction and the size of the magnetic field, and forms stable Lorentz force by being coupled with the electric field, thereby improving the laser processing quality.
Drawings
Figure 1 the utility model discloses an overall assembly schematic diagram
Fig. 2 is a schematic view of the structure of the brush device of the present invention
Fig. 3 is a schematic view of the structure of the brush fixture of the present invention
Fig. 4 a schematic view of an integrated iron core structure of the present invention
Fig. 5 is a schematic view of the lead screw movement device and the photoelectric sensor of the present invention
FIG. 6 is a schematic view of the electromagnetic field distribution of the present invention
In the above figures: 1-a part to be processed; 2-an electromagnetic coil; 3-an integral iron core; 4-a photosensor; 401 — a photo emitter; 402-a photoelectric receiver; 5-a laser head; 6-a screw rod movement device; 601-a motor; 602-a base; 603-a screw rod; 604-a slider; 7-an electric brush device; 701-an electric brush head; 702-a brush holder; 703-an elastic copper sheet; 704-connector lug
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The utility model relates to a large-scale part is with adsorbable formula electromagnetic field auxiliary device is adsorbable and is waiting to process the electromagnetic field device on part 1, including solenoid 2, the integrative iron core 3 of dual contact, photoelectric sensor 4, laser head 5, lead screw telecontrol equipment 6 and brush device 7.
Two ends of an iron core 3 of the electromagnetic field device form a magnetic field anode and cathode and are contacted with the part 1 to be processed to be adsorbed on the part 1 to be processed; the electromagnetic field device adopts an integrated iron core which serves as an iron core and is a structural framework of the device;
the electromagnetic coil 2 consists of 2 coils connected in series, and forms a magnetic field direction, wherein one N-level point to the part 1 to be processed, and the other S-level point to the part 1 to be processed;
the photosensor 4 includes a photo emitter 401 and a photo receiver 402. The laser head 5 moves in the internal space of the integrated iron core 3, and the real-time position of the laser head 5 parallel to the direction of the lead screw 603 is sensed through the photoelectric sensor 4, so that the motor 601 is driven to adjust the position of the electric brush device 7, and the two electric brushes and the laser head 5 are always kept in a straight line;
the longitudinal opposite sides of the iron core 3 are respectively provided with a screw rod movement device 6, and the two screw rod movement devices 6 are symmetrically arranged. The screw rod movement device 6 comprises a motor 601, a base 602, a screw rod 603 and a slide block 604. The material of the sliding block 604 is heat-insulating plastic;
the brush device 7 comprises a brush head 701, a brush clamp 702, an elastic copper sheet 703 and a connector lug 704. The brush fixture 702 is securely attached to the slider 604. The electric brush head 701 adopts an integrated conductive block, and is subjected to arc treatment with the contact surface of the part 1 to be processed, and the surface far away from the part 1 to be processed is contacted with the elastic copper sheet 703, so that the electric brush head 701 is ensured to be contacted with the part 1 to be processed all the time in the motion process. The brush fixture 702 is made of heat-resistant insulating material, a counter bore is arranged in the brush fixture 702 and is connected with the sliding block 604 through a screw, so that the brush head 701 and the screw rod movement device 6 are insulated while being fastened.
In the electromagnetic field device, two electromagnetic coils 2 form a stable directional uniform magnetic field in the mutual region, and the direction of the magnetic field can be changed along with the change of the current anode and the current cathode in the electromagnetic coils.
The two electric brush devices 7 and the laser head 5 are always kept on the same straight line, so that the electric field at the position of the laser head 7 is a stable and directional uniform electric field, the electric field intensity is high, and the current utilization rate is high. The direction of the electric field can be changed along with the change of the positive and negative poles of the current.
The magnetic and electric fields interact to form a stable Lorentz force with controllable direction. And the electric brush device 7 is followed with the laser head 5, thereby ensuring that the Lorentz force direction of the laser head 5 processing area is maintained stable.
The part 1 to be processed, to which the electromagnetic field device can be applied, is not limited to a horizontal plane part, and can be a curved surface, an angular working surface or a vertical working surface, and even an elevation working surface.
In the laser processing area, the stable electric field is coupled with the stable magnetic field to form directional Lorentz force, and an additional force field is provided for the laser processing area.
The embodiments described in this specification are merely illustrative of implementations of the inventive concept and the scope of the invention should not be considered limited to the specific forms set forth in the embodiments but rather the scope of the invention is intended to cover all technical equivalents that may occur to those skilled in the art based on the inventive concept.
Claims (5)
1. Large-scale part is with adsorbable formula electromagnetic field auxiliary device, its characterized in that:
the machining device comprises an iron core (3) capable of being adsorbed on a part (1) to be machined, wherein the iron core (3) is provided with an integrated rectangular frame and comprises a pair of transverse edges and a pair of longitudinal edges; two transverse edges are respectively provided with an electromagnetic coil (2), the two electromagnetic coils (2) are connected in series to form a magnetic field direction, one N-level points to the part (1) to be processed, and the other S-level points to the part (1) to be processed;
the laser head (5) moves in the inner space of the iron core (3); a photoelectric sensor (4) is installed on the longitudinal side of the iron core (3), the photoelectric sensor (4) senses the longitudinal real-time position of the laser head (5), and the data output end of the photoelectric sensor (4) is connected with a central controller; the photoelectric sensor (4) comprises a photoelectric emitter (401) and a photoelectric receiver (402) which are respectively arranged on two longitudinal edges;
the longitudinal opposite sides of the iron core (3) are respectively provided with a screw rod movement device (6), and the two screw rod movement devices (6) are symmetrically arranged; the screw rod movement device (6) comprises a motor (601), a base (602), a screw rod (603) and a sliding block (604), the screw rod (603) is connected with the iron core (3) through the base (602), the motor (601) drives the screw rod (603) to rotate, and internal threads of the sliding block (604) are meshed on the screw rod (603); the control end of the motor (601) is connected with the central controller;
the longitudinal opposite sides of the iron core (3) are respectively provided with an electric brush device (7), and an electric brush head (701) of the electric brush device (7) slides on the surface of the part (1) to be processed to form a directional electric field; an electric brush fixture (702) of the electric brush device (7) is fixedly connected with the sliding block (604); an elastic copper sheet (703) is installed on the electric brush clamp (702), one surface of the electric brush head (701), which is far away from the part (1) to be processed, is contacted with the elastic copper sheet (703), and the elastic copper sheet (703) enables the electric brush head (701) to be always contacted with the part (1) to be processed in the moving process;
at least one of the brush clamp (702) and the sliding block (604) is made of heat-resistant insulating materials;
the control end of the motor (601) is connected with a central controller to adjust the position of the electric brush device (7) so that the two electric brush heads (701) and the laser head (5) always keep a straight line.
2. The adsorbable electromagnetic field assisting device for a large part according to claim 1, wherein: the bottoms of the transverse opposite sides of the iron core (3) are respectively provided with an electromagnetic coil (2), and the bottoms of the transverse opposite sides of the electromagnetic coils (2) are contacted with the part (1) to be processed.
3. The adsorbable electromagnetic field assisting device for a large part according to claim 1, wherein: the electric brush head (701) is an integrated conductive block, and the contact surface of the electric brush head (701) and the part (1) to be processed is in an arc shape.
4. The adsorbable electromagnetic field assisting device for a large part according to claim 1, wherein: the brush fixture (702) is provided with a counter bore and is connected with the slide block (604) by a screw.
5. The adsorbable electromagnetic field assisting device for a large part according to claim 1, wherein: the surface to be processed of the part (1) to be processed is a plane, a curved surface, an inclined surface, a vertical surface or an elevation working surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922136118.8U CN211305194U (en) | 2019-12-03 | 2019-12-03 | Adsorbable electromagnetic field auxiliary device for large parts |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922136118.8U CN211305194U (en) | 2019-12-03 | 2019-12-03 | Adsorbable electromagnetic field auxiliary device for large parts |
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| CN211305194U true CN211305194U (en) | 2020-08-21 |
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| CN201922136118.8U Active CN211305194U (en) | 2019-12-03 | 2019-12-03 | Adsorbable electromagnetic field auxiliary device for large parts |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110732772A (en) * | 2019-12-03 | 2020-01-31 | 浙江工业大学 | Adsorbable electromagnetic field auxiliary device for large parts |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110732772A (en) * | 2019-12-03 | 2020-01-31 | 浙江工业大学 | Adsorbable electromagnetic field auxiliary device for large parts |
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