CN218614604U

CN218614604U - Laser edge sealing combined system

Info

Publication number: CN218614604U
Application number: CN202222309291.5U
Authority: CN
Inventors: 董义; 周宇
Original assignee: Jiangsu Huagong Laser Technology Co ltd
Current assignee: Jiangsu Huagong Laser Technology Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-03-14
Anticipated expiration: 2032-08-31

Abstract

The utility model discloses a laser edge sealing combination system, which relates to the laser edge sealing field and comprises a single laser, an operation control system and a laser adjusting mechanism; a single laser emits a laser beam; the laser adjusting mechanism is provided with a total reflection lens and a simple pendulum motor, and the simple pendulum motor drives the total reflection lens to perform reciprocating swing at a certain angle; laser beams emitted by a single laser are emitted to the total reflection lens and reflected to melt the active layers at different positions; the operation control system comprises a control module and a touch screen display module; the control module controls the start and stop of the single laser and controls the start, stop and running speed of the single pendulum motor; the touch screen display module is in signal connection with the control module and can input parameters manually. The scheme adopts the combination of a single laser, a QBH head, an oblique reflection lens, a full reflection lens and a simple pendulum motor; along with the change of the thickness of the plate, the angle of the single pendulum motor for swinging the fully-reflective lens can be controlled to set the swinging width of the light spot at the focus, so that the light beam can perfectly melt the active layer on the surface of the edge sealing strip.

Description

Laser edge sealing combined system

Technical Field

The utility model relates to a laser banding field to furniture specifically is a laser banding combined system.

Background

In the furniture industry, a layer of cladding material is applied around the wood or sealing panels, which is typically bonded using hot melt adhesives. Namely, the hot melt adhesive is coated on the surface of a workpiece in a heating and melting state. Or the hot melt adhesive is coated on the coating in advance, heated by an air heater to enable the hot melt adhesive to reach the melting temperature of the hot melt adhesive, melted and then pressed onto the workpiece through a machine.

At present, however, the traditional edge sealing mode is often adopted or the glue making sometimes occurs unevenly. There are also unsightly situations. At present, laser edge sealing is gradually popularized due to the attractiveness of the laser edge sealing and the beauty improvement of domestic consumers. Based on the background, the laser edge sealing combination system is specially developed by our company to meet the application of the industry, so that the traditional edge sealing mode is replaced, and the purposes of reducing the production cost and improving the attractiveness are achieved.

SUMMERY OF THE UTILITY MODEL

The traditional banding mode that exists can cause the even, not pleasing to the eye problem of banding portion to among the prior art, the utility model provides a laser banding combined system utilizes the mode of laser banding to replace traditional banding.

Specifically, the utility model provides a detailed scheme as follows:

a laser edge sealing combination system comprises a single laser, an operation control system and a laser adjusting mechanism;

the single laser is configured to emit a laser beam;

the laser adjusting mechanism is provided with a total reflection lens and a simple pendulum motor, and the simple pendulum motor is configured to drive the total reflection lens to perform reciprocating swing with a certain angle; laser beams emitted by the single laser are emitted to the total reflection lens and reflected to melt the active layers at different positions;

the operation control system comprises a control module and a touch screen display module; the control module is configured to control the start and stop of the single laser and control the start and stop and the running speed of the single pendulum motor; the touch screen display module is in signal connection with the control module and is configured to manually input parameters.

Further, the laser adjusting mechanism further comprises a first oblique reflection lens and a second oblique reflection lens, the full reflection lens is positioned between the first oblique reflection lens and the second oblique reflection lens, and the first oblique reflection lens and the second oblique reflection lens are respectively arranged at an angle of 45 degrees; the laser beam is emitted to the first oblique reflection lens and reflected, and is output in a horizontal state after being reflected by the total reflection lens and the second oblique reflection lens in sequence; the light path formed by the reflection of the laser beam is stepped.

Furthermore, the laser adjusting mechanism further comprises a first refraction box, and the first oblique reflection lens and the full reflection lens are both arranged in the first refraction box; a QBH head is fixedly installed at the top of the first refraction box and is in butt joint with the single laser; and a collimating and beam expanding lens is arranged in the QBH head.

Furthermore, a water-cooling assembly is also arranged on the first refraction box and comprises a water-cooling joint fixed on the first refraction box and a water-cooling circulating pipeline arranged in the first refraction box; and a water cooling medium is injected to flow in the water cooling circulating pipeline so as to maintain the temperature in the first refraction box.

Furthermore, the laser adjusting mechanism also comprises a second refraction box, and the second refraction box is positioned below the first refraction box and is hermetically connected with the first refraction box through a neck cover; the second oblique reflection lens is arranged in the second refraction box and is positioned right below the full reflection lens.

Furthermore, a protective lens is further installed at the position of the inner side of the outlet of the second refraction box, and the laser beam reflected by the total reflection lens penetrates through the protective lens and then is emitted.

Furthermore, a light-blocking copper plate is fixed at the position outside the outlet of the second refraction box.

Furthermore, the laser adjusting structure also comprises a support frame, wherein a plane moving module is fixed on the support frame, a plane rotating module is fixedly installed on the plane moving module, and a lead screw module is fixedly connected on the plane rotating module; the first refraction box is fixed on the sliding seat of the lead screw module.

Further, the operation control system comprises a support, a cantilever, a control box and a touch screen, wherein the cantilever is rotatably connected with the support; the control box is fixed at the far end of the cantilever; the control module is arranged in the control box; the touch screen display module is built in the touch screen.

The beneficial effect that adopts this technical scheme to reach does:

according to the scheme, all parts are combined for use, so that a laser edge sealing combined system is formed, edge sealing operation is performed in the furniture manufacturing process by using the system, and the attractiveness of edge sealing can be effectively guaranteed.

The single laser emits a laser beam towards the refraction box through the QBH head, and the laser beam irradiates an external edge sealing strip through the first oblique reflection lens, the full reflection lens and the second oblique reflection lens to heat the edge sealing strip; along with the change of plate thickness, can control the angle of the full reflection lens of simple pendulum motor swing, set up focus department facula wobbling width, the perfect light beam of letting just melts the active layer on banding strip surface, avoids laser beam's angle to be the problem that the banding effect is influenced fixedly, has very big promotion effect to the practicality that promotes this system.

Drawings

Fig. 1 is an overall configuration diagram of the present combination system.

Fig. 2 is a block diagram of a single laser in the present system.

Fig. 3 is a block diagram of an operation control system in the present system.

Fig. 4 is a structural diagram of a laser adjustment mechanism of the system.

Fig. 5 is a schematic diagram of the reflection of the laser beam by the first and the second obliquely reflecting mirrors.

Wherein: the device comprises a single laser 10, a laser adjusting mechanism 20, a first oblique reflection lens 21, a full reflection lens 22, a second oblique reflection lens 23, a QBH head 24, a light blocking copper plate 25, a support frame 26, a plane moving module 27, a plane rotating module 28, a lead screw module 29, an operation control system 30, a support 31, a cantilever 32, a control box 33, a touch screen 34, an electric control assembly 35, a first refraction box 201 and a second refraction box 202.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

The embodiment provides a laser banding combined system, utilizes this laser banding combined system to guide the laser beam for the facula that finally jets out can carry out width control according to the change of panel thickness, and then guarantees the banding effect to furniture board.

Specifically, referring to fig. 1-5, the present combination system comprises a single laser 10, an operation control system 30 and a laser adjusting mechanism 20, wherein the single laser 10 is used for emitting a laser beam, and the laser adjusting mechanism 20 is used for performing integrated adjustment on the laser beam, especially adjusting the width of the laser beam according to the change of the actual plate thickness; the operation control system 30 serves to coordinate the cooperation between the single laser 10 and the laser adjustment mechanism 20 in a unified manner.

In the present embodiment, a single laser 10 is configured to emit a laser beam; the wavelength of 1500w optical fiber laser is 1070nm, and the optical fiber laser can adapt to the wavelength of 808 nm-1100 nm laser. In addition, for practical requirements, a 3000w or 6000w fiber laser can be replaced, a semiconductor laser with the same power or higher power can be replaced, and a low-power laser can be used. Wherein, laser core footpath 600um is optimum, also can adopt the 100um laser instrument.

The operation control system 30 comprises a support 31, a cantilever 32, a control box 33, a touch screen 34 and an electric control component 35. Wherein the seat 31 serves as a main support for ensuring the stability of the whole operation control system. The cantilever 32 is rotatably connected with the support 31, and the control box 33 is fixed at the far end of the cantilever 32; here, the control box 33 has a wide range of movement by movably arranging the cantilever 32.

Wherein, be provided with control module in control box 33, touch-sensitive screen 34 is installed on control box 33, embeds in the touch-sensitive screen 34 to have the touch screen display module. The control module is electrically connected with the electronic control assembly 35, and meanwhile, the electronic control assembly 35 is configured to control the start and stop of the single laser 10 and the start, stop and running rate of a single-pendulum motor in the laser adjusting mechanism 20; the touch screen display module is in signal connection with the control module and is configured to input parameters manually. That is, before using the system, an operator may input on the touch screen 34 according to preset parameters, and then the control module starts to issue corresponding control commands to operate the single laser 10 and the laser adjustment mechanism 20.

In the scheme, the provided laser adjusting structure is an important composition structure in the system, and the laser beam realizes angle conversion and spot width adjustment according to the thickness of the plate through the laser adjusting mechanism.

Specifically, the laser adjusting mechanism is provided with a total reflection lens 22 and a simple pendulum motor, and the simple pendulum motor is configured to drive the total reflection lens 22 to perform reciprocating swing at a certain angle; the laser beam from the single laser 10 is directed to the all-reflective mirror 22 and reflected to melt the active layer at different locations. It will be appreciated that the laser beam can be adjusted in spot width according to the thickness of the sheet material, primarily by the totally reflecting mirror 22 therein; the rotation of the simple pendulum motor is controlled during working, so that the total reflection lens 22 synchronously rotates within a preset angle range, and the width range of the light spot reflected by the laser beam changes along with the rotation of the total reflection lens 22.

Specifically, in the present embodiment, the laser adjustment mechanism further includes a first refraction box 201, and the first oblique mirror 21 and the above-mentioned total reflection mirror 22 are disposed in the first refraction box 201; meanwhile, a QBH head 24 is fixedly arranged at the top of the first refraction box 201, and the QBH head 24 is in butt joint with the single laser 10; a collimating and beam expanding lens is arranged in the QBH head 24. The QBH head 24 here is used to achieve a collimated beam expansion effect on the laser beam. The laser beam passing through the QBH head 24 firstly vertically irradiates downwards to the first oblique reflection lens 21, the first oblique reflection lens 21 is fixed at an angle of 45 degrees, the laser beam horizontally irradiates to the full reflection lens 22 after being reflected by the first oblique reflection lens 21, the simple pendulum motor rotates and adjusts according to a control signal sent by the control module, the full reflection lens 22 rotates and finely adjusts synchronously, and the fine adjustment of the full reflection lens 22 enables the reflected laser beam to emit at different angles.

It should be noted that, here, the initial angle of the total reflection lens 22 is also set to be 45 °, and the simple pendulum motor controls the total reflection lens 22 to adjust within a range of 45 ± 5 °.

In this embodiment, the first refraction box 201 is further provided with a water cooling assembly, and the water cooling assembly includes a water cooling joint fixed on the first refraction box 201 and a water cooling circulation pipeline built in the first refraction box 201; the temperature in the first refraction box is maintained by injecting a water cooling medium to flow in the water cooling circulation pipeline. By utilizing the circulation of the water cooling medium, the temperature inside the first refraction box 201 is cooled, and the influence of the overhigh temperature inside the first refraction box on the laser beam is avoided.

In this embodiment, the laser adjusting mechanism further includes a second refraction box 202, and the second refraction box 202 is located below the first refraction box 201 and is hermetically connected through a neck cover; the laser beam reflected by the all-mirror 22 directly enters the second refraction box 202, so that the two refraction boxes (the first refraction box 201 and the second refraction box 202) are hermetically connected by using the neck cover, and the influence caused by external light can be effectively prevented.

A second oblique mirror 23 is provided in the second refraction box 202, and here, the second oblique mirror 23 is located right below the total reflection mirror 22, and the laser beam refracted by the total reflection mirror 22 is irradiated downward onto the second oblique mirror 23, and finally reflected again by the second oblique mirror 23 and emitted in a horizontal state.

Therefore, it is understood that in the present embodiment, the first oblique mirror 21, the total reflection mirror 22 and the second oblique mirror 23 are the key to realize the refraction of the laser beam. The total reflection lens 22 is positioned between the first oblique reflection lens 21 and the second oblique reflection lens 23, and the first oblique reflection lens 21 and the second oblique reflection lens 23 are respectively arranged at an angle of 45 degrees; the laser beam is emitted to the first oblique reflection lens 21 and reflected, and is output in a horizontal state after being reflected by the total reflection lens 22 and the second oblique reflection lens 23 in sequence; on the projection surface, the light path formed by the reflection of the laser beam is similar to a step shape.

In this scheme, a protection lens is further installed at an inner side position of an outlet of the second refraction box 202, and the laser beam reflected by the total reflection lens 22 is emitted after penetrating through the protection lens. Protection lens mainly used realizes dustproof protection because second refraction box 202 at this moment is closest to panel, has certain dust in the environment of banding, consequently for reducing the influence that outside dust brought, utilizes protection lens to protect, prevents that the dust infiltration from causing the influence to the refraction of light beam.

In this embodiment, a light-blocking copper plate 25 is further fixed at the position outside the outlet of the second refraction box 202, and the light-blocking copper plate 25 is fixed with the second refraction box 202 through a connecting cylinder; the light blocking copper plate 25 can effectively prevent the inner protective lens from being touched by human misoperation; meanwhile, the light-blocking copper plate 25 also has a positive effect on preventing the diffuse reflection of external foreign light from affecting the emitted light.

In order to adjust the laser adjusting mechanism conveniently, in this embodiment, the laser adjusting mechanism further includes a supporting frame 26, a plane moving module 27 is fixed on the supporting frame 26, a plane rotating module 28 is fixed on the plane moving module 27, and a lead screw module 29 is fixedly connected on the plane rotating module 28; the first refraction box 201 mentioned above is fixed on the slide of the lead screw module 29.

Specifically, here, the lead screw module 29 is vertically disposed, and the first refraction box 201 and the components disposed in the first refraction box 201 can be moved in the vertical direction (Z-axis direction) simultaneously by the movement of the lead screw module 29. The plane rotation module 28 is used for completing rotation adjustment, specifically, rotation adjustment with the Z axis as a central axis; the plane moving module 27 realizes horizontal movement in the X axis and the Y axis; that is, through the adjustment and cooperation among the plane moving module 27, the plane rotating module 28 and the lead screw module 29, the whole first refraction box 201 and the whole second refraction box 202 can be adjusted in position according to the actual needs of the operation.

Finally, a specific implementation of the present system in conjunction with an edge banding machine for performing edge banding is described herein.

The example of this scheme needs to use the bag sealer for control plank motion and banding strip's pay-off. The production line test speed is designed to be 18m/min, i.e. 300mm/s.

The specific implementation mode is as follows (taking a cyan edge sealing belt as an example, a wood board is used as a sealing plate):

1. the combined system is installed on an edge bonding machine and is provided with 2 encoders, 1 encoder is triggered, and a plurality of paths of laser state input monitoring and abnormal emergency stop switches are arranged. Meanwhile, the functions of product type, product use scheme, laser control, full-reflection lens control, state monitoring, abnormal alarm and the like can be set through software.

2. And an encoder A of the combined system is arranged at a feeding part of the edge bonding machine and used for monitoring the start and stop of the material belt.

3. And a B encoder of the combined system is arranged on a moving shaft of the edge bonding machine and used for monitoring the speed of a production line.

4. And the sensor of the combined system is arranged on a production line of the edge bonding machine and is 300mm away from the laser head.

5. According to different parameters of the material belt, taking the use of a cyan material belt as an example, the width of the material belt is 22mm, a scheme of newly building the cyan material belt is provided, the swing speed of a total reflection lens 22 is 3000mm/s, the power of a single laser 10 is 75 percent, and the frequency is 10KHz. And selecting a cyan material belt, calling a cyan material belt scheme, displaying the speed of the total reflection lens of 3000mm/s, the power of 75 percent and the frequency of 10KHz, finishing the setting, starting clicking, and enabling the equipment to enter a waiting state.

6. The cyan edge sealing belt is arranged on the feeding mechanism part of the edge sealing machine, the edge sealing machine is started, and the set speed is 18m/min (the edge sealing belt is provided with the laser activation layer).

7. A wood board (18 mm thick) is fed from a feeding position of an edge bonding machine, the wood board is operated to a sensor position, the sensor is triggered, the distance is extended to 280mm, a material belt starts to convey the wood board, laser starts to emit light, the light emitting up-and-down movement height is 20mm, the time length of each vertical line is 0.0067s, and the forward distance of the material belt in the time is 2.01mm (the production line speed is 18 m/min). The laser spot is 3.5mm, the spot overlap rate is 42.57%, and the glue on the edge sealing strip can be guaranteed to be uniformly melted.

8. After the wood board reaches the feeding mechanism, the material belt after the laser activation layer is activated and melted is pressed to the side edge of the wood board through a mechanical cam, and a subsequent edge bonding machine is used for removing the head and the tail, roughly trimming, finely trimming, flatly scraping and polishing.

9. And (3) obtaining a wood board with the side edge covered with the edge sealing belt, and repeating the steps for 3 times to obtain the wood board with the periphery sealed. (wherein the edge sealing sequence of the wood plate is 2 opposite edges first, then the 3 rd edge and the 4 th edge, the edge sealing machine needs to use the angle guiding function)

The scheme is simple in structural design and easy to operate, and adopts the combination of a single laser, a QBH head, an oblique reflection lens, a full reflection lens and a simple pendulum motor, wherein the single laser emits a laser beam towards a refraction box through the QBH head, and the laser beam irradiates an external edge sealing strip through a first oblique reflection lens, the full reflection lens and a second oblique reflection lens to heat the edge sealing strip; along with the change of panel thickness, can control the angle of the full anti-lens of simple pendulum motor swing, set up focus department facula wobbling width, perfect let the light beam just melt the active layer on banding strip surface, avoid laser beam's angle to be the problem that fixed and motionless and influence the banding effect, have very big promotion effect to the practicality that promotes this system.

It should be noted that, the combined system can be used for coating workpieces in combination with other production lines besides the wood board coating.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the art are used, and are used only for convenience in describing the technology and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the technology. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Thus, the terms "first," "second," "third," and the like are used solely to distinguish one from another without necessarily indicating or implying relative importance. In the description of the present invention, unless otherwise specified, "a plurality" means two or more.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present technology, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and can be, for example, a fixed connection, a detachable connection, or an integral connection; 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 technology can be understood in a specific case to those of ordinary skill in the art.

It should be noted that there are no specific structures but rather a number of modifications, decorations or changes that could be made by one skilled in the art without departing from the principles of the technology, and that the above-mentioned features can be combined in any suitable manner; such modifications, variations, or combinations, or applying the concepts and solutions of the technology directly to other applications without further modifications, are intended to be within the scope of the present technology.

Claims

1. A laser edge sealing combination system is characterized by comprising a single laser (10), an operation control system (30) and a laser adjusting mechanism (20);

the single laser (10) is configured to emit a laser beam;

the laser adjusting mechanism (20) is provided with a total reflection lens (22) and a simple pendulum motor, and the simple pendulum motor is configured to drive the total reflection lens (22) to perform reciprocating swing with a certain angle; the laser beam emitted by the single laser (10) is emitted to the total reflection lens (22) and reflected to melt the activation layers at different positions;

the operation control system (30) comprises a control module and a touch screen display module; the control module is configured to control the start-stop of the single laser (10) and to control the start-stop and the running rate of the single pendulum motor; the touch screen display module is in signal connection with the control module and is configured to manually input parameters.

2. A laser edge sealing combination system according to claim 1, wherein the laser adjustment mechanism (20) further comprises a first oblique-reflection lens (21) and a second oblique-reflection lens (23), the full-reflection lens (22) is located between the first oblique-reflection lens (21) and the second oblique-reflection lens (23), and the first oblique-reflection lens (21) and the second oblique-reflection lens (23) are respectively arranged at an angle of 45 °; the laser beam is emitted to the first oblique reflection lens (21) and reflected, and is output in a horizontal state after being reflected by the total reflection lens (22) and the second oblique reflection lens (23) in sequence; the light path formed by the reflection of the laser beam is stepped.

3. A laser edge sealing combination system according to claim 2, characterized in that the laser adjustment mechanism (20) further comprises a first refraction box (201), and the first oblique mirror (21) and the fully reflective mirror (22) are both built into the first refraction box (201); the top of the first refraction box (201) is fixedly provided with a QBH head (24), and the QBH head (24) is in butt joint with the single laser (10); and a collimation and beam expansion lens is arranged in the QBH head (24).

4. The laser edge sealing combination system according to claim 3, wherein a water cooling assembly is further arranged on the first refraction box (201), and comprises a water cooling joint fixed on the first refraction box (201) and a water cooling circulation pipeline built in the first refraction box (201); flowing in the water-cooling circulation pipe by injecting a water-cooling medium to maintain the temperature inside the first refraction box (201).

5. A laser edge sealing combination system according to claim 3, wherein the laser adjustment mechanism (20) further comprises a second refraction box (202), the second refraction box (202) is located below the first refraction box (201) and is hermetically connected through a neck cover; the second oblique-reflection lens (23) is arranged in the second refraction box (202) and is positioned right below the full-reflection lens (22).

6. The laser edge sealing combination system of claim 5, wherein a protective lens is further installed at a position inside the outlet of the second refraction box (202), and the laser beam reflected by the total reflection lens (22) is emitted after passing through the protective lens.

7. A laser edge sealing combination system according to claim 6, wherein a light-blocking copper plate (25) is further fixed at a position outside the outlet of the second refraction box (202).

8. A laser edge sealing combination system according to any one of claims 3-7, wherein the laser adjusting structure further comprises a supporting frame (26), a plane moving module (27) is fixed on the supporting frame (26), a plane rotating module (28) is fixedly mounted on the plane moving module (27), and a lead screw module (29) is fixedly connected on the plane rotating module (28); the first refraction box (201) is fixed on a sliding seat of the screw rod module (29).

9. A laser edge sealing combination system according to claim 1, wherein the operation control system (30) comprises a support (31), a cantilever (32), a control box (33) and a touch screen (34), the cantilever (32) is rotatably connected with the support (31); the control box (33) is fixed at the far end of the cantilever (32); the control module is arranged in the control box (33); the touch screen display module is built in the touch screen (34).