CN117515375A - Connecting device and laser writing device - Google Patents

Abstract

The application provides a connecting device and a laser inscription device. The connecting device comprises a connecting frame and an adsorption piece assembly, wherein the connecting frame is provided with a connecting end which is used for rotationally connecting the device to be connected so that the connecting frame can rotate around a first direction relative to the device to be connected; the adsorption component is connected to the connecting frame in a sliding manner along a second direction so as to be capable of approaching to or separating from the connecting end along the second direction; the adsorption component is used for adsorbing the acted surface of the device to be connected; the second direction is a direction away from the connecting end, and the first direction is perpendicular to the second direction; the adsorption component can start adsorption under a first power supply signal and close adsorption under a second power supply signal.

Description

Connecting device and laser writing device

Technical Field

The application relates to the technical field of electronic equipment, in particular to a connecting device and a laser inscription device.

Background

The laser writing is widely applied to nameplate writing, character writing, pattern writing and the like.

At present, portable handheld burning equipment is selected according to special use scenes so as to ensure flexibility; however, the working time and stability of the handheld recording device depend on operators, once the recording effect is affected due to unstable holding, shaking and the like, and meanwhile, the problem that the device falls off due to unexpected loosening of hands can also occur; most designers use suction cups or magnetic attraction to secure handheld recording devices.

However, in any of the above adsorption methods, a flat surface is often applied, and the requirement of wide use and stable connection cannot be satisfied for non-planar adsorption.

Disclosure of Invention

The embodiment of the application aims to provide a connecting device and a laser writing device, so as to solve the problem that the adsorption mode cannot meet the requirements of wide use and stable connection when the existing handheld laser writing device aims at a non-planar object to be written.

In order to solve the technical problems, the embodiment of the application provides the following technical scheme:

a first aspect of the present application provides a connection device, comprising:

the connecting frame is provided with a connecting end and is used for rotationally connecting a device to be connected so that the connecting frame can rotate around a first direction relative to the device to be connected;

the adsorption piece assembly is connected to the connecting frame in a sliding manner along a second direction so as to be close to or far from the connecting end along the second direction; the adsorption component is used for adsorbing the acted surface of the device to be connected; the second direction is a direction away from the connecting end, and the first direction is perpendicular to the second direction;

the adsorption component can start adsorption under a first power supply signal and close adsorption under a second power supply signal.

In some variations of the first aspect of the present application, the aforementioned connection device, wherein the absorbent assembly comprises a first absorbent member and a second absorbent member;

the first adsorption piece can start vacuum adsorption under a third power supply signal, and close vacuum adsorption under a second power-off signal;

the second adsorption piece can start magnetic attraction under a first power-off signal and close magnetic attraction under a fourth power-on signal;

the first power supply signal at least comprises a third power supply signal and a first power-off signal; the second power supply signal comprises at least a fourth power supply signal and a second power-off signal.

In some modified embodiments of the first aspect of the present application, the connecting device includes a vacuum cylinder, a driving motor, and at least two rotors;

the vacuum cylinder extends along the second direction, and a first opening and a second opening are respectively arranged at two ends of the vacuum cylinder along the second direction, and the first opening is used for being attached to an acted surface of the device to be connected;

the driving motor is arranged in the vacuum cylinder, and an output shaft of the driving motor extends along the direction opposite to the second direction;

at least two rotor wings are connected with the output shaft of the driving motor;

under a third power supply signal, the driving motor drives the rotor wing to rotate so as to enable the second outlet to discharge air along a second direction, and a vacuum area is formed in the vacuum cylinder.

In some variations of the first aspect of the present application, the aforementioned connection device, wherein the second adsorbing member comprises a permanent magnet and an energizing coil;

the permanent magnet extends along the second direction and is used for magnetically attracting the acted surface of the device to be connected;

the power-on coil is wound outside the permanent magnet, and the magnetic pole generated by the power-on coil under the fourth power supply signal is opposite to the magnetic pole of the permanent magnet.

In some variations of the first aspect of the present disclosure, the aforementioned connection device, wherein the second adsorbing member is disposed within the vacuum cylinder;

the edge of the first opening is provided with a sealing cushion.

In some modified embodiments of the first aspect of the present application, the aforementioned connection device further includes a power supply portion;

the first adsorption piece is connected to the power supply part through a first power supply circuit, and a first switch is arranged on the first power supply circuit and used for controlling the first power supply circuit to generate a third power supply signal or a second power-off signal;

the second adsorption piece is connected to the power supply part through a second power supply circuit, and a second switch is arranged on the second power supply circuit and used for controlling the second power supply circuit to generate a fourth power supply signal or a first power-off signal.

In some modified embodiments of the first aspect of the present application, the aforementioned connection device, wherein the connection frame includes a first connection plate, a second connection plate, and a slider;

the first connecting plates and the second connecting plates are arranged at intervals along a third direction and are opposite to each other, and the second connecting plates are provided with first guide grooves extending along the second direction; the third direction is perpendicular to the first direction and the second direction;

the sliding block is arranged between the first connecting plate and the second connecting plate, penetrates through the first guide groove and is connected with the adsorption component, so that the sliding block can reciprocate in the first guide groove along the second direction.

In some modified embodiments of the first aspect of the present application, the aforementioned connecting device, wherein the slider includes a first portion and a second portion disposed in sequence along the third direction;

the first portion has a dimension along the first direction that is greater than a dimension along the first direction of the second portion.

In some variations of the first aspect of the present application, the aforementioned connection device, wherein the connection rack further comprises a backing plate;

the two base plates are arranged between the first connecting plate and the second connecting plate at intervals along the first direction, and the base plates extend along the second direction so that the first part can be placed between the two base plates;

the first connecting plate is provided with a second guide groove along the second direction, and the second guide groove is used for enabling the locking screw to pass through and abut against the sliding block.

The second aspect of the present application provides a laser writing device, including a laser writing device body and at least two aforementioned connection devices, at least two connection devices rotate and connect in the different orientation sides of the writing end of the laser writing device body.

Compared with the prior art, the connecting device provided in the first aspect of the application is provided with the connecting end capable of being rotatably connected through the connecting frame, so that the connecting device can be suitable for any type of acted surface when being connected to the device to be connected, including a plane and a non-plane, and can be automatically adjusted in the presence of the rotating connecting end; meanwhile, the arrangement of the adsorption component can also effectively ensure the adsorption of the acted surface and realize the stable arrangement of the connecting device; the problem that the adsorption mode cannot meet the requirements of wide use and stable connection when the existing handheld laser writing device aims at a non-planar object to be written can be effectively solved.

Drawings

The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present application will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. Several embodiments of the present application are illustrated by way of example and not by way of limitation in the figures of the accompanying drawings, in which like reference numerals refer to similar or corresponding parts and in which:

fig. 1 schematically shows a schematic structural view of a connection device provided in the present application;

FIG. 2 schematically illustrates a schematic exploded view of the structure of the connection device provided herein;

FIG. 3 schematically illustrates another structural exploded view of the connection device provided herein;

FIG. 4 schematically illustrates a schematic structural view of an adsorption module in the connection device provided by the present application;

fig. 5 schematically illustrates a schematic mating diagram of a connection device and a device to be connected provided in the present application;

FIG. 6 schematically illustrates a schematic view of the engagement of the coupling device provided herein with a planar active surface;

FIG. 7 schematically illustrates a schematic view of the engagement of the coupling device provided herein with the upwardly projecting active surface;

FIG. 8 schematically illustrates a mating schematic of a connection device provided herein with a concave active surface;

FIG. 9 schematically illustrates a schematic mating of the connection device provided herein with a curved active surface;

fig. 10 schematically shows a block diagram of the connection device provided in the present application;

reference numerals illustrate:

the connecting frame 1, the first connecting plate 11, the second connecting plate 12, the sliding block 13, the first part 131, the second part 132, the first guide groove 14, the backing plate 15, the second guide groove 16, the adsorbing member assembly 2, the device to be connected 3, the first adsorbing member 4, the vacuum cylinder 41, the first opening 411, the second opening 412, the sealing cushion 413, the driving motor 42, the rotor 43, the sealing cushion 44, the second adsorbing member 5, the permanent magnet 51, the energizing coil 52, the power supply part 6, the first switch 61, the second switch 62, the locking screw 7, the first direction a, the second direction b, and the third direction c.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs.

At present, portable handheld burning equipment is selected according to special use scenes so as to ensure flexibility; however, the working time and stability of the handheld recording device depend on operators, once the recording effect is affected due to unstable holding, shaking and the like, and meanwhile, the problem that the device falls off due to unexpected loosening of hands can also occur; most designers use suction cups or magnetic attraction to ensure a handheld recording device; however, in any of the above adsorption methods, a flat surface is often applied, and the requirement of wide use and stable connection cannot be satisfied for non-planar adsorption.

The connecting device provided in this embodiment realizes the rotation connection with the device to be connected through the rotatable connecting end, so that the rotatable characteristic of the connecting end and the movement of the adsorption component can be utilized to realize the adjustment of the height and the angle of the adsorption component when the adsorption action surface is adsorbed, and then the connecting device can adapt to any type of surface, including but not limited to a plane, an upper convex surface, a lower concave surface, a continuous curved surface and the like, and the wide applicability of the connecting device is greatly improved when the stable adsorption connection is realized by utilizing the adsorption component.

Example 1

With reference to fig. 1, a first aspect of the present application provides a connection device, comprising a connection frame 1 and an adsorption member assembly 2, wherein the connection frame 1 is provided with a connection end for rotationally connecting a device 3 to be connected, so that the connection frame 1 can rotate around a first direction a relative to the device 3 to be connected; the adsorption component 2 is slidably connected to the connecting frame 1 along a second direction b so as to be capable of approaching to or separating from the connecting end along the second direction b; the adsorption component 2 is used for adsorbing an acting surface of the device to be connected 3; the second direction b is a direction away from the connection end,

the adsorption component 2 can start adsorption under a first power supply signal and close adsorption under a second power supply signal.

Specifically, in order to solve the problem that the adsorption mode of the existing handheld laser writing device cannot meet the requirements of wide use and stable connection when aiming at a non-planar object to be written, the embodiment provides a connecting device, which can be rotationally connected with a device to be connected 3, namely, a laser writing device through a rotating connecting end, so that when the laser writing device is fixed on a acted surface, the rotating connecting end can be utilized to enable the connecting frame 1, namely, the whole connecting device, to relatively rotate relative to the laser writing device and the acted surface, thereby realizing synchronous application to planar, non-planar and frosted surfaces; meanwhile, the adsorption component 2 is matched with the connecting frame 1 to rotate, and realizes stable adsorption in the recording process under the adjustment of a power supply signal, so that the recording effect is prevented from being influenced by shaking caused by holding of an operator, and even the laser writing device for loosening hands of the operator can not deviate or fall, and normal operation can be ensured under the windy weather or in the severe environment.

Among them, it can be understood that: in this embodiment, a first direction a and a third direction c are two directions parallel to a horizontal plane and perpendicular to each other, and a second direction b is a vertical upward direction; the device to be connected can be, but not limited to, a laser writing device, and the acted surface of the device to be connected is the surface of the product to be written with characters, patterns and the like.

Referring to fig. 1 and 2, the connecting frame 1 is a rigid structure, and serves as a connecting carrier of the whole connecting device and the device 3 to be connected, and is also an installation carrier of the adsorption assembly 2; the connecting frame 1 may be a frame structure, a box structure, a plate structure, etc., and may be designed and adjusted according to actual needs, in this embodiment, the connecting frame 1 is preferably set to have a larger size in the second direction b, so as to ensure that the adsorbing component 2 can have a larger moving range in the second direction b, and further improve applicability to different types of acted surfaces. The connecting end of the connecting frame 1 can be in a rotating shaft form or a hinge form, so that the connecting frame 1 and even the whole connecting device can relatively rotate relative to the device 3 to be connected and the acted surface, and when the device 3 to be connected is matched with the acted surface to adjust the installation position, the connecting device can move and fit under the interaction of the connecting end and the acted surface, for example: upward or downward in the second direction b to engage an upper convex surface, a lower concave surface, a continuous curved surface, etc., thereby ensuring a tight and stable engagement of the device 3 to be connected with any surface to be acted upon.

Referring to fig. 1, the adsorption component 2 is a structure capable of generating adsorption force, and may be at least one of vacuum adsorption, electromagnetic adsorption and permanent magnetic adsorption, and in this embodiment, the adsorption component 2 is slidably disposed on the connection frame 1, and is matched with a rotatable connection end to realize height adjustment and angle adjustment of the adsorption component 2 relative to a acted surface; it can be understood that the initial position of the adsorption component 2 can be set at one end of the connecting frame 2 far away from the connecting end, when the matching adjustment of the connecting frame 2 and the acted surface is finished, the adsorption component 2 slides to make the adsorption component close to the connecting end, namely the acted surface, so as to finish the adsorption with the acted surface, thereby realizing the stable connection of the device to be connected.

According to the above list, the connecting device provided in the first aspect of the present application is provided with the connecting end capable of being rotatably connected through the connecting frame 1, so that the connecting device can adapt to any form of acted-on surface when being connected to the device 3 to be connected, including a plane and a non-plane, and can be automatically adjusted in the presence of the rotating connecting end; meanwhile, the arrangement of the adsorption component 2 can also effectively ensure the adsorption of the acted surface and realize the stable arrangement of the connecting device; the problem that the adsorption mode cannot meet the requirements of wide use and stable connection when the existing handheld laser writing device aims at a non-planar object to be written can be effectively solved.

Further, referring to fig. 4, in the embodiment of the connection device provided in this embodiment, the adsorption assembly 2 includes a first adsorption element 4 and a second adsorption element 5; the first adsorption piece 4 can start vacuum adsorption under a third power supply signal and close vacuum adsorption under a second power-off signal; the second adsorption piece 5 can start magnetic attraction under a first power-off signal and close magnetic attraction under a fourth power-on signal;

the first power supply signal at least comprises a third power supply signal and a first power-off signal; the second power supply signal comprises at least a fourth power supply signal and a second power-off signal.

Specifically, in order to ensure the stability of adsorption, the stable setting of the device to be connected on the acted surface is realized, in this embodiment, the adsorption component 2 is set to include a first adsorption component 4 and a second adsorption component 5, and the first adsorption component 4 is of a vacuum adsorption structure, and can be applied to the acted surface of any material, for example: iron, just, plastics, glass etc. second adsorption component 5 is electromagnetic type adsorption structure and only can be applicable to the surface of being acted on of iron, but the electromagnetic action of second adsorption component 5 is comparatively special, can be permanent magnetism and solenoid's cooperation, solenoid circular telegram offsets the magnetic force of permanent magnetism, outage resumes the magnetic force of permanent magnetism, and then, even the trouble outage, after the vacuum adsorption inefficacy of first adsorption component 4, the magnetic force of second adsorption component 5 adsorbs also can not receive the influence, and then can effectively avoid the trouble outage after, connecting device can lose the adsorption power and take place to drop and even cause the problem of accident, improve connecting device's connection security greatly. The second adsorption element 5 can also be the cooperation of two permanent magnets, one permanent magnet generates magnetic force, and the other permanent magnet is arranged opposite to the second permanent magnet and realizes the adjustment of the magnetic force magnitude and even counteracts the magnetic force through angle adjustment. It can be appreciated that: when the device to be connected needs to be taken down, the vacuum adsorption force and the magnetic adsorption can be closed through the adjustment of the electric signal, so that the device to be connected can be easily taken down.

Of course, it is understood that: referring to fig. 10, the connection device provided in this embodiment further includes a power supply unit 6 in a specific implementation; the first adsorption element 4 is connected to the power supply unit 6 through a first power supply line (not shown in the figure), and a first switch 61 is disposed on the first power supply line and used for controlling the first power supply line to generate a third power supply signal or a second power-off signal; the second adsorption element 5 is connected to the power supply unit 6 through a second power supply line (not shown in the figure), and a second switch 62 is disposed on the second power supply line, for controlling the second power supply line to generate a fourth power supply signal or a first power-off signal. Further, when the adsorption or non-adsorption is adjusted, the first switch 61 and the second switch 62 can be driven, for example: when the adsorption is needed, the first adsorption piece 4 is controlled to be electrified to generate vacuum suction force by the first switch 61, the second switch 62 is controlled to be powered off to generate magnetic suction force by the second adsorption piece 5, and correspondingly, when the adsorption is not needed after the recording is completed, the first adsorption piece 4 is controlled to be powered off to close the vacuum suction force by the first switch 61, and the second switch 62 is controlled to be electrified to close the magnetic suction force by the second adsorption piece 5, so that the connection device is detached after the suction force is completely lost. The first switch 61 and the second switch 62 are provided on the outer surface of the connection device for providing an operating position for an operator. The power supply unit 6 may be, but not limited to, a power storage device such as a battery.

Further, referring to fig. 4, in the connection device provided in this embodiment, in an implementation, the first absorbing member 4 includes a vacuum cylinder 41, a driving motor 42, and at least two rotors 43; the vacuum tube 41 extends along the second direction b, and a first opening 411 and a second opening 412 are respectively provided at two ends of the vacuum tube 41 along the second direction b, and the first opening 411 is used for attaching to the acted surface of the device to be connected; the driving motor 42 is disposed in the vacuum cylinder 41, and an output shaft of the driving motor 42 extends in a direction opposite to the second direction b; at least two of the rotors 43 are connected to the output shaft of the drive motor 42; under a third power supply signal, the driving motor 42 drives the rotor 43 to rotate so as to discharge air from the second outlet 412 along the second direction b, so that a vacuum area is formed in the vacuum barrel 411.

Specifically, in order to realize vacuum adsorption of the first adsorption member 4, the first adsorption member 4 is configured to include a vacuum cylinder 41, a driving motor 42, and at least two rotor wings 43 in this embodiment; the vacuum cylinder 41 is a rigid cylinder with two open ends, the specific shape can be designed and adjusted according to the actual needs, and the vacuum cylinder 41 can be designed and adjusted according to the actual needs, such as but not limited to a cylinder, a polygonal prismatic cylinder and the like. The drive motor 42 may be, but is not limited to, a brushless motor of high current and high Kv value (Kv > 3000), the drive motor 42 being capable of unidirectional rotation only. Rotor 43 may be, but is not limited to, a small diameter rotor, and may be rigid or flexible so long as it is capable of mating with drive motor 42. In this embodiment, the driving motor 42 and the rotor 43 are cooperatively disposed in the vacuum barrel 41, and the rotor 43 is driven by the driving motor 42 to rotate so as to form a vacuum area in the vacuum barrel 41, and at least a vacuum area is formed between the rotor 43 and the first opening 411, so that the first opening 411 can generate an adsorption force on the acted surface. It will be understood, of course, that the first suction member 4 may be directly configured as an external vacuum apparatus connected to the vacuum chuck, and a small vacuum apparatus may be selected for adapting to the handheld laser writing apparatus, so as to ensure flexibility of the laser writing apparatus.

Further, referring to fig. 4, in the connection device provided in this embodiment, in an implementation, the second adsorption element 5 includes a permanent magnet 51 and an energizing coil 52; the permanent magnet 51 extends along the second direction b and is used for magnetically attracting the acted surface of the device to be connected; the energizing coil 52 is wound outside the permanent magnet 51, and the magnetic pole generated by the energizing coil 52 under the fourth power supply signal is opposite to the magnetic pole of the permanent magnet 51.

Specifically, in order to achieve the effect that the second adsorbing member 5 is magnetically attractable when being energized, the second adsorbing member 5 is provided in the form of including a permanent magnet 51 and an energizing coil 52 in the present embodiment; the permanent magnet 51 and the energizing coil 52 are well understood by those skilled in the art, and will not be described in detail herein. Through the cooperation setting of permanent magnet 51 and power-on coil 52 in this embodiment, can realize that second suction piece 5 has the magnetic attraction under the outage state, lose the effect of magnetic attraction under the power-on state, can also guarantee to have less volume and weight, effectively reduce the connecting device and wait to connect the device after the cooperation and hold the degree of difficulty. One end of the permanent magnet 51 facing the connection end of the connection frame 1 in the second direction b may be provided in a non-planar form, for example: the cross-shaped groove can be conveniently and rapidly applied to non-planar adsorption.

Further, in the connection device provided in this embodiment, in a specific implementation, the second adsorption element 5 is disposed in the vacuum cylinder 41; the edge of the first opening 411 is provided with a sealing cushion 44.

Specifically, in order to ensure the integrity of the connection device, in this embodiment, the second suction member 5 may be disposed in the vacuum cylinder 41, and further, the vacuum cylinder 41 may be used as the integral housing structure of the suction assembly 2, and the second opening 412 and the first opening 411 may also be disposed only corresponding to the position of the rotor 43, where the first suction member 4 and the second suction member 5 may also be disposed adjacently as shown in fig. 4. Meanwhile, in order to ensure the vacuum adsorption effect, in this embodiment, a sealing cushion 413 is disposed at the first opening 411 of the vacuum cylinder 41, and the sealing cushion 413 is of a flexible and airtight structure, so that when the sealing cushion 413 abuts against the acted surface along with the first opening 411, the sealing cushion 413 can be matched with any surface form of the acted surface to perform shape-following lamination, and the air-impermeable form of the sealing cushion can be used to ensure the vacuumizing effect of the vacuum cylinder 41, namely, the adsorption effect is ensured; the sealing cushion 413 may be a silicone cushion, or an elastomer wrapped sealing membrane, such as an ear protection sponge sleeve on an earphone.

Further, referring to fig. 2, in the connection device provided in this embodiment, in an implementation, the connection rack 1 includes a first connection plate 11, a second connection plate 12, and a slider 13; the first connecting plate 11 and the second connecting plate 12 are arranged at intervals along the third direction c and are opposite to each other, and the second connecting plate 12 is provided with a first guide groove 14 extending along the second direction b; the third direction c is perpendicular to the first direction a and the second direction b; the slider 13 is disposed between the first connection plate 11 and the second connection plate 12, and the slider 13 is connected to the adsorption assembly 2 through the first guide groove 14 so as to be capable of reciprocating in the second direction b within the first guide groove 14.

Specifically, in order to achieve the sliding connection between the connection frame 1 and the adsorption assembly 2, the connection frame 1 is provided in the form of including a first connection plate 11, a second connection plate 12 and a slider 13 in this embodiment; the first connecting plate 11, the second connecting plate 12 and the sliding block 13 are of rigid structures, the first connecting plate 11 and the second connecting plate 12 are opposite and are arranged at intervals to provide sliding space for the sliding block 13, and the first guide groove 14 is formed in the second connecting plate 12, so that the sliding block 13 can be connected with the adsorption assembly 2, and a guide effect can be provided for the sliding block 13 to drive the adsorption assembly 2 to slide. The connection of the slider 13 and the suction assembly 2 may be screw connection, welding, clamping connection, etc.

Further, referring to fig. 2, in an implementation of the connection device provided in this embodiment, the slider 13 includes a first portion 131 and a second portion 132 sequentially disposed along the third direction c; the first portion 131 has a dimension along the first direction a that is greater than the dimension of the second portion 132 along the first direction a.

Specifically, in order to ensure stability of the slider 13 and avoid the slider 13 from falling out of the first guide groove 14, in this embodiment, the slider 13 is configured to include a first portion 131 and a second portion 132, where the first portion 131 and the second portion 132 are both rigid structures, and may be plate-shaped, block-shaped, or the like; the second portion 132 is used for being inserted into the first guide groove 14 to be matched with the first guide groove, and the first portion 131 is used for moving along with the second portion 132 between the first connecting plate 11 and the second connecting plate 12 and can play a limiting role to prevent the sliding block 13 from being separated from the first guide groove 14; the slider 13 may be provided in the L-shaped structure shown in fig. 2 in this embodiment, but is not limited thereto. And the first portion 131 has a size greater than the second portion 132 and greater than the size of the first guide groove 14 in the first direction a.

Further, referring to fig. 3, in the embodiment of the connection device provided in this embodiment, the connection frame 1 further includes a pad 15; the two pad plates 15 are spaced along the first direction a between the first connecting plate 11 and the second connecting plate 12, and the pad plates 15 extend along the second direction b, so that the first portion 131 can be placed between the two pad plates 15; the first connecting plate 11 is provided with a second guiding groove 16 along the second direction b, so that the locking screw 7 passes through and abuts against the sliding block 13.

Specifically, in order to ensure smoothness of movement of the slider 13, in this embodiment, the pad 15 is provided, which is of a rigid structure, may be of a plate shape or a block shape, and mainly plays a supporting role between the first connecting plate 11 and the second connecting plate 12, so as to support a movable space for the slider 13, and meanwhile, two pads 15 are provided opposite to each other, so that a sliding channel can also be provided for the first portion 131 to play a limiting role. The locking screw 7 and the sliding block 13 can be in simple interference, and a locking groove (not shown in the figure) can be correspondingly formed in the sliding block 13, so that the locking screw 7 is in threaded fit with the locking screw, and stable locking of the adsorption component 2 is ensured.

Example 2

The second aspect of the present application provides a laser writing device, including a laser writing device body, i.e. at least two connecting devices, at least two connecting devices rotate and connect in the different facing sides of the writing end of the laser writing device body.

Specifically, the connecting device is the connecting device described in embodiment 1, and the laser writing device body is the connecting device described in embodiment 1; in this embodiment, at least two connection devices are disposed at the laser generating end of the corresponding laser writing device body, preferably, two connection devices are disposed on two opposite sides of the laser writing device body, and of course, a plurality of connection devices may be disposed at intervals around the laser writing device body in an axial direction, so as to effectively ensure stable connection of the laser writing device body.

The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A connection device, comprising:

the connecting frame is provided with a connecting end and is used for rotationally connecting a device to be connected so that the connecting frame can rotate around a first direction relative to the device to be connected;

the adsorption piece assembly is connected to the connecting frame in a sliding manner along a second direction so as to be close to or far from the connecting end along the second direction; the adsorption component is used for adsorbing the acted surface of the device to be connected; the second direction is a direction away from the connecting end, and the first direction is perpendicular to the second direction;

the adsorption component can start adsorption under a first power supply signal and close adsorption under a second power supply signal.

2. The connection device according to claim 1, wherein:

the adsorption assembly comprises a first adsorption element and a second adsorption element;

the first adsorption piece can start vacuum adsorption under a third power supply signal, and close vacuum adsorption under a second power-off signal;

the second adsorption piece can start magnetic attraction under a first power-off signal and close magnetic attraction under a fourth power-on signal;

the first power supply signal at least comprises a third power supply signal and a first power-off signal; the second power supply signal comprises at least a fourth power supply signal and a second power-off signal.

3. The connection device according to claim 2, wherein:

the first adsorption piece comprises a vacuum cylinder, a driving motor and at least two rotary wings;

the vacuum cylinder extends along the second direction, and a first opening and a second opening are respectively arranged at two ends of the vacuum cylinder along the second direction, and the first opening is used for being attached to an acted surface of the device to be connected;

the driving motor is arranged in the vacuum cylinder, and an output shaft of the driving motor extends along the direction opposite to the second direction;

at least two rotor wings are connected with the output shaft of the driving motor;

under a third power supply signal, the driving motor drives the rotor wing to rotate so as to enable the second outlet to discharge air along a second direction, and a vacuum area is formed in the vacuum cylinder.

4. The connection device according to claim 2, wherein:

the second adsorption piece comprises a permanent magnet and an electrified coil;

the permanent magnet extends along the second direction and is used for magnetically attracting the acted surface of the device to be connected;

the power-on coil is wound outside the permanent magnet, and the magnetic pole generated by the power-on coil under the fourth power supply signal is opposite to the magnetic pole of the permanent magnet.

5. A connection device according to claim 3, wherein:

the second adsorption piece is arranged in the vacuum cylinder;

the edge of the first opening is provided with a sealing cushion.

6. The connection device according to claim 2, wherein:

the power supply part is also included;

the first adsorption piece is connected to the power supply part through a first power supply circuit, and a first switch is arranged on the first power supply circuit and used for controlling the first power supply circuit to generate a third power supply signal or a second power-off signal;

the second adsorption piece is connected to the power supply part through a second power supply circuit, and a second switch is arranged on the second power supply circuit and used for controlling the second power supply circuit to generate a fourth power supply signal or a first power-off signal.

7. The connection device according to claim 1, wherein:

the connecting frame comprises a first connecting plate, a second connecting plate and a sliding block;

the first connecting plates and the second connecting plates are arranged at intervals along a third direction and are opposite to each other, and the second connecting plates are provided with first guide grooves extending along the second direction; the third direction is perpendicular to the first direction and the second direction;

the sliding block is arranged between the first connecting plate and the second connecting plate, penetrates through the first guide groove and is connected with the adsorption component, so that the sliding block can reciprocate in the first guide groove along the second direction.

8. The connection device of claim 7, wherein:

the sliding block comprises a first part and a second part which are sequentially arranged along the third direction;

the first portion has a dimension along the first direction that is greater than a dimension along the first direction of the second portion.

9. The connection device of claim 8, wherein:

the connecting frame also comprises a backing plate;

the two base plates are arranged between the first connecting plate and the second connecting plate at intervals along the first direction, and the base plates extend along the second direction so that the first part can be placed between the two base plates;

the first connecting plate is provided with a second guide groove along the second direction, and the second guide groove is used for enabling the locking screw to pass through and abut against the sliding block.

10. A laser writing apparatus, comprising:

a laser writing device body;

the connecting device according to any one of at least two claims 1-9, wherein at least two of said connecting devices are rotatably connected to different facing sides of the writing end of said laser writing device body.