Laser head

Abstract

The utility model discloses a laser head, which belongs to the technical field of laser processing, and comprises a base block and a lens, a light inlet channel is arranged in the base block, and the bottom of the base block is connected with a connecting cylinder; an inserting groove is formed in the side wall of the connecting cylinder; the LED lamp further comprises an inserting block, the inserting block can be inserted into the inserting groove, and the lens is fixed in the inserting block. The lens is fixed on the inserting block, then the inserting block is inserted into the connecting cylinder in an inserting mode, the purpose of installation is achieved, when the lens needs to be detached after long-time work, only the inserting block needs to be pulled out, rapid and convenient installation and detachment are achieved, meanwhile, the whole shell does not need to be detached, and the cost is reduced. According to the utility model, the dismounting efficiency can be improved, the subsequent mounting efficiency can be synchronously improved, the number of dismounted parts is small, and the influence of dismounting on the laser focusing precision after mounting is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser processing technical field especially relates to a laser head. BACKGROUND

[0002] Since the 20th century, laser has been invented and widely used in various industries because of its huge energy release. Through the cooperation of laser and laser head, the laser beam is emitted by the laser, then enters the laser head, is focused on the spot of the spot light by the lens in the laser head, and finally irradiates on the processed object to process the object in various targeted ways such as cutting, welding and marking.

[0003] Therefore, when laser processes the object, it is generally used in cooperation with the laser head. Since the lens inside the laser head has high requirements for cleanliness, if there is a lot of dust, it will affect the focusing of the laser and further affect the processing efficiency and quality. Therefore, the lens will be removed and cleaned after the laser head is used for a long time.

[0004] However, the existing laser head on the market is very troublesome to disassemble. After a long time of use, if the lens needs to be disassembled, the entire laser head shell needs to be disassembled to remove the lens, which makes disassembly difficult. Moreover, because there are too many disassembled parts, the precision of laser focusing will be affected after cleaning and assembly, which further affects the service life. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem of troublesome lens disassembly in the prior art and provides a laser head.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A laser head comprises a base block and a lens, the base block is provided with a light inlet channel, and the bottom of the base block is connected with a connecting cylinder; the side wall of the connecting cylinder is provided with a plug-in slot; further comprising a plug-in block, the plug-in block can be plugged into the plug-in slot, and the lens is fixed in the plug-in block.

[0008] Preferably, a second fixing ring is further included, the second fixing ring is threadedly connected in the plug-in block, and the lens is located at the bottom of the second fixing ring.

[0009] Preferably, the plug-in block is fixedly connected with the connecting cylinder through a second bolt.

[0010] Preferably, the connecting cylinder and the plug-in block are both in the shape of a cylinder.

[0011] Preferably, the connecting cylinder is plugged into the bottom of the base block, a threaded sleeve is sleeved on the connecting cylinder, and the threaded sleeve is threadedly connected with the bottom of the base block.

[0012] Preferably, the base block bottom is provided with an inclined surface, and the threaded sleeve abuts against the inclined surface.

[0013] Preferably, the base block bottom is provided with a plurality of groups of notches.

[0014] Preferably, the base block bottom is provided with a plurality of groups of notches.

[0015] Preferably, the connecting cylinder bottom is threadedly connected with a launching cylinder, and the launching cylinder bottom is provided with a launching port.

[0016] Preferably, the connecting cylinder side wall is fixedly connected with an interface.

[0017] Compared with the prior art, the utility model provides a laser head, has the following beneficial effects:

[0018] 1、 this laser head, through fixing the lens on the plug -in block, then the plug -in block is inserted in the way of plug -in, is inserted in the connecting cylinder, realizes the purpose of installation, when long -time work needs to be disassembled, also only needs to pull out the plug -in block, realizes quick and convenient installation and disassembly, simultaneously, need not to disassemble the whole shell, makes it not only can promote the disassembly efficiency, and the subsequent installation efficiency also will be synchronous promotion, and the disassembly parts are less, also make after installation, also reduced the influence of laser focusing precision because of disassembly.

[0019] 2、 this laser head, the lens is clamped in the plug -in block, then in the threaded connection has the second fixed ring, presses in the lens top, fixes the lens, reaches the purpose of fixing the lens, prevents the lens from shifting or falling off in the working process.

[0020] 3、 this laser head, the appearance of connecting cylinder and plug -in block, all are cylindrical, make the plug -in block when being inserted into the connecting cylinder, have the function of automatic positioning, when the plug -in block outer wall and the connecting cylinder inner wall are pasted, can make the lens just be in the center of connecting cylinder, improves the installation precision. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 Structure diagram of the laser head of the utility model Figure One

[0022] Figure 2 Structure diagram of the laser head of the utility model Figure Two

[0023] Figure 3 Structure diagram of the laser head of the utility model Figure Three ;​​

[0024] Figure 4 A structure diagram of the laser head is provided for the utility model Figure Four ;

[0025] Figure 5 A sectional view of the laser head is provided for the utility model Figure One ;

[0026] Figure 6 A sectional view of the laser head is provided for the utility model Figure Two ;

[0027] Figure 7 A structure diagram of the laser head plug-in block is provided for the utility model;

[0028] Figure 8 A structure diagram of the laser head base block is provided for the utility model.

[0029] In the figure: 1, base block; 101, light inlet channel; 2, connecting plate; 201, first fixing ring; 202, reflector; 203, first bolt; 3, connecting cylinder; 301, threaded sleeve; 302, notch; 303, inclined surface; 4, plug-in slot; 401, plug-in block; 402, lens; 403, second fixing ring; 404, second bolt; 5, emitting cylinder; 501, interface; 6, groove; 601, mounting plate. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0031] In the description of the utility model, it should be understood that the terms "up", "down", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0032] Embodiment:

[0033] With reference to Figures 1-8 , a laser head, comprising a base block 1 and a lens 402, the base block 1 is provided with a light inlet channel 101, the bottom of the base block 1 is connected with a connecting cylinder 3, the laser enters the connecting cylinder 3 from the light inlet channel 101, and the side wall of the connecting cylinder 3 is provided with a plug-in slot 4.

[0034] The laser head disclosed in this embodiment also includes a plug block 401, which can be plugged into a plug slot 4, and a lens 402 is fixed in the plug block 401.

[0035] like Figures 1-4 , Figures 6-7 During installation, fix the lens 402 inside the insertion block 401, and then insert the insertion block 401 into the connecting cylinder 3 through the insertion slot 4. After installation, as shown... Figure 6 As shown, the installation is complete. At this point, the lens 402 is located inside the connecting cylinder 3. The laser enters the connecting cylinder 3 through the light inlet channel 101, and then, after being focused by the lens 402, it illuminates the object to process, cut, or carve it.

[0036] The lens 402 is fixed on the plug-in block 401, and then the plug-in block 401 is plugged into the connecting cylinder 3 to achieve the purpose of installation. When the lens 402 needs to be removed after long-term operation, the plug-in block 401 can be pulled out, which realizes quick and convenient installation and removal. At the same time, there is no need to disassemble the entire shell, which not only improves the disassembly efficiency, but also improves the subsequent installation efficiency. In addition, the fewer disassembled parts, the impact of disassembly on the laser focusing accuracy is also reduced after installation.

[0037] like Figure 7 The laser head disclosed in this embodiment also includes a second fixing ring 403, which is threadedly connected to the plug block 401; the lens 402 is located at the bottom of the second fixing ring 403.

[0038] During installation, the lens 402 is snapped into the plug block 401, and then the second fixing ring 403, which is threadedly connected, is pressed on the top of the lens 402 to fix the lens 402, thereby fixing the lens 402 and preventing the lens 402 from shifting or falling off during operation.

[0039] The second fixing ring 403 is a hollow ring, and the laser passes through the middle of the second fixing ring 403.

[0040] like Figure 6 When the second fixing ring 403 is threaded into the plug block 401, the top of the second fixing ring 403 is not higher than the top of the plug block 401 to avoid interference when plugging into the plug block 401.

[0041] like Figures 1-4 , Figures 6-7 The plug-in block 401 is fixedly connected to the connecting cylinder 3 by the second bolt 404.

[0042] When the plug block 401 is inserted into the connecting cylinder 3, the plug block 401 is fixed to the connecting cylinder 3 by the second bolt 404 to prevent accidental detachment.

[0043] The outer shape of the connecting cylinder 3 and the plug-in block 401 is a cylinder, and when the plug-in block 401 is plugged into the connecting cylinder 3, the outer wall of the plug-in block 401 is attached to the inner wall of the connecting cylinder 3; through the circular design, when the plug-in block 401 is plugged into the connecting cylinder 3, it has the function of automatic positioning, and when the outer wall of the plug-in block 401 is attached to the inner wall of the connecting cylinder 3, the lens 402 can be exactly in the center of the connecting cylinder 3, improving the installation precision.

[0044] The connecting cylinder 3 is plugged into the bottom of the base block 1, the connecting cylinder 3 is plugged into the inner wall of the base block 1, and the connecting cylinder 3 is sleeved with a threaded sleeve 301; the threaded sleeve 301 is threadedly connected with the bottom of the base block 1.

[0045] The light inlet channel 101 is also circular, and when the connecting cylinder 3 is plugged into the bottom of the base block 1, the inside of the connecting cylinder 3 and the light inlet channel 101 are in communication with each other.

[0046] When installing, after the connecting cylinder 3 is plugged into the bottom of the base block 1, the threaded sleeve 301 is rotated upwards to make the threaded sleeve 301 threadedly connected with the base block 1 for fixation.

[0047] As shown in Figure 5 and Figure 8 , the bottom of the base block 1 is provided with an inclined surface 303, and the threaded sleeve 301 abuts against the inclined surface 303; when the threaded sleeve 301 is threadedly connected with the base block 1, the threaded sleeve 301 extrudes the inclined surface 303, so that the bottom of the base block 1 is deformed, the base block 1 is extruded with the outer wall of the connecting cylinder 3, and the fixing effect is improved.

[0048] As shown in Figure 8 , a plurality of notches 302 are formed in the bottom of the base block 1, and the number of the notches 302 is 3-5 groups; through the notches 302, the bottom of the base block 1 is deformed better, and the base block 1 is extruded with the outer wall of the connecting cylinder 3.

[0049] As shown in Figures 1-5 , the laser head disclosed in the embodiment further comprises a connecting plate 2 and a reflector 202, the reflector 202 is located in the connecting plate 2, the reflector 202 is clamped in the connecting plate 2, a first fixing ring 201 is threadedly connected on the connecting plate 2, and the first fixing ring 201 is pressed above the reflector 202 to fix the reflector 202.

[0050] The connecting plate 2 is fixed on the top of the base block 1 through a first bolt 203;

[0051] The reflector 202 is located in the light inlet channel 101, as shown in Figure 5 , the light inlet channel 101 is a "L" shape rotated by 90°, and the reflector 202 is at an angle of 45°.

[0052] After the laser enters the light inlet channel 101, it enters the connecting cylinder 3 downward through the reflection of the reflector 202, and then is emitted after focusing through the lens 402.

[0053] The bottom of the connecting cylinder 3 is threadedly connected with the emitting cylinder 5, and the bottom of the emitting cylinder 5 is provided with an emitting port.

[0054] After the laser is focused through the lens 402, it enters the emitting cylinder 5 and is emitted through the emitting port to irradiate on the object and process the object.

[0055] The sidewall of the connecting cylinder 3 is fixedly connected with the interface 501, the interface 501 is located below the lens 402, the interface 501 is connected with the air pump through the pipeline, and the air is blown into the connecting cylinder 3 through the interface 501 in the processing process, and the smoke generated in the processing process is blown away together with the air.

[0056] In order to facilitate the connection of the laser head with other objects, such as Figures 1-4 The top sidewall of the base block 1 is provided with a groove 6, further comprising an installation plate 601, the installation plate 601 is divided into two groups and is fixed in the groove 6 through bolt clamping, and then the laser head is connected with other objects through the installation plate 601.

[0057] The above is only the preferred specific implementation mode of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A laser head, comprising a base block (1) and a lens (402), characterized in that: a light inlet channel (101) is arranged in the base block (1), and a connecting cylinder (3) is connected to the bottom of the base block (1); a plug-in slot (4) is arranged on the side wall of the connecting cylinder (3); a plug-in block (401) is further arranged, which can be plugged into the plug-in slot (4), and the lens (402) is fixed in the plug-in block (401); a second fixing ring (403) is further arranged, which is threadedly connected in the plug-in block (401); the lens (402) is located at the bottom of the second fixing ring (403); the second fixing ring (403) is a hollow ring.

2. A laser head as claimed in claim 1, characterized in that The plug-in block (401) is fixedly connected with the connecting cylinder (3) through a second bolt (404).

3. A laser head as claimed in any one of claims 1-2, characterized in that The connecting cylinder (3) and the plug-in block (401) are both cylindrical in shape.

4. The laser head of claim 1, wherein The connecting cylinder (3) is plugged into the bottom of the base block (1), and a threaded sleeve (301) is sleeved on the connecting cylinder (3); the threaded sleeve (301) is threadedly connected with the bottom of the base block (1).

5. A laser head as claimed in claim 4, wherein An inclined surface (303) is arranged on the bottom of the base block (1), and the threaded sleeve (301) abuts against the inclined surface (303).

6. A laser head as claimed in claim 5, wherein A plurality of notches (302) are arranged on the bottom of the base block (1).

7. The laser head of claim 1, wherein A connecting plate (2) and a reflector (202) are further arranged, the reflector (202) is located in the connecting plate (2), and a first fixing ring (201) is threadedly connected on the connecting plate (2); the connecting plate (2) is fixed on the top of the base block (1) through a first bolt (203); the reflector (202) is located in the light inlet channel (101).

8. The laser head of claim 1, wherein A launching cylinder (5) is threadedly connected on the bottom of the connecting cylinder (3), and a launching port is arranged on the bottom of the launching cylinder (5).

9. The laser head of claim 1, wherein, An interface (501) is fixedly connected on the side wall of the connecting cylinder (3).

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