Laser cutting machine with anti-sputtering component

Abstract

The utility model relates to the field of laser cutting machines, and discloses a laser cutting machine with an anti-sputtering component, which comprises a laser cutting machine body and a cutting head arranged on the laser cutting machine body, and the anti-sputtering component used for reducing the probability that an operator is injured due to sparks sputtered when the cutting head works is arranged on the outer wall of the cutting head. The anti-sputtering component comprises a fixed protective sleeve arranged on the outer wall of the cutting head in a sleeving mode and a telescopic protective sleeve arranged in the fixed protective sleeve in a telescopic mode, a containing ring groove for containing the telescopic protective sleeve is formed in the fixed protective sleeve, extension of the telescopic protective sleeve is controlled by the self weight, and retraction of the telescopic protective sleeve is controlled by extrusion of a workpiece to the telescopic protective sleeve. When the anti-sputtering component in the mechanism is mounted on the cutting head body, the protection effect of the anti-sputtering component can be improved only by enabling the bottom of the telescopic protection sleeve to be lower than the bottom of the cutting head after the telescopic protection sleeve extends out, so that the mounting range of the anti-sputtering component when the protection effect is improved is enlarged, and the anti-sputtering component is more convenient to mount.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser cutting machine field especially, it is a kind of laser cutting machine with anti-sputtering component. BACKGROUND

[0002] Chinese patent with the publication number CN209050273U discloses a kind of laser cutting machine with high safety performance, including rack, work platform being set on rack and laser head being set on rack and located on work platform, protective cover is set on the laser head, the protective cover is horn-shaped, the small end of the opening of the protective cover is detachably connected with the laser head.

[0003] The protective cover set on the laser head in the above structure can block sparks, debris and the like generated in the laser head machining process in the protective cover when the laser head is cutting, thereby reducing the probability that sparks generated when the laser head is cutting are sputtered onto the operator, but when the protective cover is installed on the laser head, if the bottom of the protective cover is higher than the laser head, the protective effect of the protective cover on the laser head can be reduced at this time;If the bottom of the protective cover is lower than the laser head, the bottom of the protective cover will abut against the workpiece surface when the laser head is working, thereby affecting the cutting work of the laser head, resulting in that the protective cover needs to be installed to the specific position on the laser head to better protect the operator, and the installation difficulty of the protective cover is increased. SUMMARY

[0004] The utility model discloses to the specific position of the prior art protective cover needs to be installed to the laser head to better protect the operator, the installation difficulty of the protective cover is increased, and provide a kind of laser cutting machine with anti-sputtering component and the anti-sputtering component installation convenient.

[0005] To solve the above technical problem, the utility model is solved by the following technical scheme:

[0006] A kind of laser cutting machine with anti-sputtering component, including laser cutting machine body and the cutting head being set on laser cutting machine body, cutting head outer wall is provided with the anti-sputtering component for reducing the probability that operator is injured due to the sparks sputtered when cutting head works, the anti-sputtering component includes the fixed protective sleeve of cutting head outer wall sleeve and the telescopic protective sleeve of telescopic setting in fixed protective sleeve and the telescopic protective sleeve of stretching out after bottom lower than cutting head bottom, fixed protective sleeve is provided with the receiving ring groove for receiving telescopic protective sleeve when retraction, the telescopic protective sleeve is controlled by the gravity of itself;The telescopic protective sleeve is controlled by extrusion to it after workpiece abuts against the surface of workpiece when retraction.

[0007] With the above scheme, when the telescopic protective cover is sleeved on the outer wall of the cutting head, the telescopic protective cover will extend out of the fixed protective cover due to its own weight, at this time, the bottom of the telescopic protective cover will be lower than the bottom of the cutting head, and the telescopic protective cover can also be telescoped when the cutting head is cutting, so that the telescopic protective cover is always in abutment with the surface of the workpiece when the cutting head is working, thereby reducing the probability of injury of the operator due to sparks caused by sputtering when the cutting head is working, and when the anti-sputtering part is installed on the cutting head, only the anti-sputtering part needs to be sleeved on the outer wall of the cutting head, and the bottom of the telescopic protective cover is lower than the bottom of the cutting head, so that the protection effect of the anti-sputtering part is improved, the position range of the anti-sputtering part installed on the cutting head can be increased, thereby making the installation of the anti-sputtering part more convenient, and the anti-sputtering part can also be installed on other cutting heads with different heights, thereby improving the applicability of the anti-sputtering part.

[0008] Preferably, a preventing part is arranged between the fixed protective cover and the telescopic protective cover to prevent the telescopic protective cover from being detached from the fixed protective cover.

[0009] Preferably, the preventing part comprises an elastic plate arranged at one end of the telescopic protective cover close to the bottom of the accommodating ring groove, an avoiding groove is arranged on the outer wall of the telescopic protective cover to provide an avoiding space for deformation of the elastic plate, one end of the elastic plate away from the avoiding groove is provided with a clamping block, and a clamping groove is arranged in the accommodating ring groove, and the end of the clamping groove is capable of being clamped with the clamping block and the clamping block is capable of sliding in the clamping groove.

[0010] With the above scheme, the clamping block arranged on the elastic plate can slide in the inner wall of the clamping groove when the telescopic protective cover is installed in the accommodating ring groove, and when the telescopic protective cover extends to the maximum stroke, the end face of the clamping block will be clamped with the inner wall of the clamping groove, thereby reducing the probability of the telescopic protective cover being detached from the fixed protective cover.

[0011] Preferably, a guide part is arranged at one end of the clamping block away from the elastic plate to facilitate insertion of the elastic plate into the accommodating ring groove.

[0012] Preferably, the guide part comprises a guide slope arranged at one end of the clamping block away from the elastic plate, and the guide slope is inclined to increase from one end close to the insertion end of the clamping block to one end away from the insertion end of the clamping block.

[0013] With the above scheme, when the telescopic protective cover is installed in the accommodating ring groove, the guide slope on the clamping block will abut against the bottom of the fixed protective cover, and as the telescopic protective cover continues to be inserted into the accommodating ring groove, the bottom of the fixed protective cover will be pressed against the guide slope, at this time, the clamping block will be pressed to drive the elastic plate to deform, and the telescopic protective cover can continue to be inserted into the accommodating ring groove.

[0014] Preferably, the fixed protective sleeve is internally embedded with heat dissipation fins at circumferential intervals for absorbing heat generated during operation of the cutting head.

[0015] With the above scheme, the heat dissipation fins embedded in the inner wall of the fixed protective sleeve can absorb heat generated during operation of the cutting head, thereby reducing the temperature of the cutting head during operation, reducing the probability of damage to the cutting head due to heat, and improving the service life of the cutting head.

[0016] Preferably, an installation structure is arranged between the fixed protective sleeve and the cutting head to enable installation therebetween.

[0017] Preferably, the installation structure comprises an annular groove arranged on the outer wall of the cutting head, and an elastic hook arranged on the top of the fixed protective sleeve and capable of being inserted into the annular groove and being clamped with the sidewall of the annular groove.

[0018] With the above scheme, the elastic hook arranged on the top of the fixed protective sleeve can be inserted into the annular groove when the fixed protective sleeve is sleeved on the outer wall of the cutting head, and the elastic hook will be clamped with the sidewall of the annular groove when it is inserted into the annular groove, thereby limiting the position of the fixed protective sleeve and reducing the probability of its falling off the cutting head.

[0019] Preferably, an avoiding ring groove is arranged on the top of the fixed protective sleeve, and the elastic hook is arranged in the avoiding ring groove and the avoiding ring groove can provide a deformation space for the elastic hook.

[0020] With the above scheme, arranging the elastic hook in the avoiding ring groove can make the appearance of the fixed protective sleeve more neat, and the avoiding ring groove can also provide a space for deformation of the elastic hook, so that the elastic hook has sufficient deformation space during the process of sleeving the fixed protective sleeve on the outer wall of the cutting head.

[0021] The utility model discloses a telescopic protective cover and a sputtering prevention component, and the telescopic protective cover is arranged on the sputtering prevention component, and the sputtering prevention component is arranged on the cutting head, thereby achieving the effect that the sputtering prevention component can be installed on the cutting head, and the sputtering prevention component can be installed on the cutting head in a more convenient and applicable manner. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is an axonometric view of a laser cutting machine with anti-sputtering components in the present embodiment;

[0023] Figure 2 is Figure 1 is an enlarged view of A in FIG. 1;

[0024] Figure 3 is an axonometric view of a cutting head and anti-sputtering components in the present embodiment;

[0025] Figure 4 is a sectional view of a cutting head and anti-sputtering components in the present embodiment;

[0026] Figure 5 is Figure 4 is an enlarged view of B in FIG. 2;

[0027] Figure 6 is Figure 4 is an enlarged view of C in FIG. 3;

[0028] Figure 7 is an axonometric view of a fixed protective sleeve in the present embodiment;

[0029] Figure 8 is an axonometric view of a telescopic protective sleeve in the present embodiment;

[0030] Figure 9 is Figure 8 is an enlarged view of D in FIG. 4;

[0031] Figure 10 is an axonometric view of a cutting head in the present embodiment;

[0032] Figure 11 is a sectional view of Figure 10 is an enlarged view of E in FIG. 5.

[0033] The names of the parts referred to by the respective reference numerals in the above drawings are as follows: 1, laser cutting machine body; 2, cutting head; 3, fixed protective sleeve; 4, telescopic protective sleeve; 5, storage ring groove; 6, elastic plate; 7, avoidance groove; 8, clamping block; 9, clamping groove; 10, lead-in slope; 11, heat sink; 12, annular recess; 13, elastic clasp; 14, avoidance ring groove. DETAILED DESCRIPTION

[0034] The present utility model will be described in further detail below in conjunction with the drawings and embodiments.

[0035] EMBODIMENT

[0036] A laser cutting machine with anti-sputtering components, referring to Figures 1-4The utility model relates to a laser cutting machine, including laser cutting machine body 1 and the cutting head 2 of setting on laser cutting machine body 1, the cutting head 2 outer wall is provided with the anti-sputtering component for reducing the probability that the operator is injured due to the spark of sputtering when cutting head 2 works, and the anti-sputtering component includes the fixed protective sleeve 3 of sheathing to cutting head 2 outer wall and the telescopic protective sleeve 4 of setting in fixed protective sleeve 3 and the telescopic protective sleeve 4 of telescopic protective sleeve 4 is stretched out and is lower than the bottom of cutting head 2, the telescopic protective sleeve 4 is stretched out and is controlled to the gravity of itself, the telescopic protective sleeve 4 is retracted and is controlled to the extrusion of workpiece to it after the abutment of workpiece surface, and the heat sink 11 for absorbing the heat generated when cutting head 2 works is embedded in the inside circumferential interval of fixed protective sleeve 3.

[0037] Reference Figures 4-5 、 Figures 8-9 The anti-extrusion component for preventing telescopic protective sleeve 4 from extruding from fixed protective sleeve 3 is arranged between fixed protective sleeve 3 and telescopic protective sleeve 4, the anti-extrusion component includes the elastic plate 6 of setting on one end of telescopic protective sleeve 4 close to the groove bottom of receiving ring groove 5, the avoiding groove 7 for providing the avoiding space for the deformation of elastic plate 6 is arranged on the outer wall of telescopic protective sleeve 4, the clamping block 8 is protruded on the end of elastic plate 6 away from avoiding groove 7, the clamping groove 9 for the end mutual clamping of clamping block 8 and the sliding of clamping block 8 in it is arranged in receiving ring groove 5, the guide-in component for facilitating the deformation of elastic plate 6 and inserting into receiving ring groove 5 is arranged on the end of clamping block 8 away from elastic plate 6, the guide-in inclined plane 10 is arranged on the end of clamping block 8 away from elastic plate 6, and the guide-in inclined plane 10 is inclined to increase from the end close to the insertion end of clamping block 8 to the end away from the insertion end of clamping block 8.

[0038] Reference Figures 6-7 、 Figures 10-11 The mounting structure for realizing the mounting between fixed protective sleeve 3 and cutting head 2 is arranged between fixed protective sleeve 3 and cutting head 2, and the mounting structure includes the annular groove 12 of setting on the outer wall of cutting head 2, the elastic clamping hook 13 of setting on the top of fixed protective sleeve 3 and the end mutual clamping of annular groove 12 side wall and being inserted into annular groove 12, the avoiding ring groove 14 of setting on the top of fixed protective sleeve 3, and the elastic clamping hook 13 is arranged in avoiding ring groove 14 and avoiding ring groove 14 can provide the deformation space when the elastic clamping hook 13 deforms, and the two elastic clamping hooks 13 of the embodiment are symmetrically arranged on avoiding ring groove 14.

[0039] Specific protection process: first, the anti-sputtering component is set on the outer wall of the cutting head 2 from the bottom of the cutting head 2, and in the process of setting the anti-sputtering component on the outer wall of the cutting head 2, the elastic clamping hook 13 on the fixed protective sleeve 3 is in contact with the outer wall of the cutting head 2, and with the continuous setting of the anti-sputtering component, the elastic clamping hook 13 is deformed, at this time the anti-sputtering component can continue to be set up, when the elastic clamping hook 13 moves to the annular groove 12 of the cutting head 2, the elastic clamping hook 13 is inserted into the annular groove 12, thereby reducing the probability of the anti-sputtering component falling off the cutting head 2, and when the anti-sputtering component is installed to the cutting head 2, the telescopic protective sleeve 4 will extend out of the storage ring groove 5 due to its own weight, until the clamping block 8 on the telescopic protective sleeve 4 and the end of the clamping groove 9 on the fixed protective sleeve 3 are clamped with each other, at this time the bottom of the telescopic protective sleeve 4 is lower than the bottom of the cutting head 2, when the cutting head 2 is used to drive the anti-sputtering component to descend, the bottom of the telescopic protective sleeve 4 is in contact with the surface of the workpiece, and with the continuous descent of the cutting head 2, the telescopic protective sleeve 4 is gradually retracted into the storage ring groove 5 under the extrusion of the workpiece surface, so that the telescopic protective sleeve 4 is always in contact with the surface of the workpiece during the cutting head 2 processing, reducing the probability of the operator being injured by the sparks during the cutting head 2 working.

[0040] The above is only the preferred embodiment of the present application, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical solution belonging to the idea of the present application is within the protection scope of the present application. It should be noted that for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application, these improvements and decorations should also be considered as the protection scope of the present application.

Claims

1. A laser cutting machine with anti-sputtering components, comprising a laser cutting machine body (1) and a cutting head (2) arranged on the laser cutting machine body (1), an outer wall of the cutting head (2) is provided with anti-sputtering components for reducing the probability of injury to an operator due to sparks sputtered when the cutting head (2) is working, characterized in that: The anti-sputtering component comprises a fixed protective sleeve (3) sleeved on the outer wall of the cutting head (2) and a telescopic protective sleeve (4) telescopically arranged in the fixed protective sleeve (3) and protruding from the bottom of the cutting head (2), the fixed protective sleeve (3) is provided with a receiving ring groove (5) for receiving the telescopic protective sleeve (4) when it is retracted, and the protrusion of the telescopic protective sleeve (4) is controlled by its own gravity; the retraction of the telescopic protective sleeve (4) is controlled by the extrusion of the workpiece on it after the telescopic protective sleeve (4) abuts against the surface of the workpiece. ​ 2. The laser cutting machine with anti-sputtering components according to claim 1, characterized in that: An anti-extrusion component is arranged between the fixed protective sleeve (3) and the telescopic protective sleeve (4) to prevent the telescopic protective sleeve (4) from being extruded out of the fixed protective sleeve (3).

3. The laser cutting machine with anti-sputtering components of claim 2, wherein: The anti-extrusion component comprises an elastic plate (6) arranged at one end of the telescopic protective sleeve (4) close to the bottom of the receiving ring groove (5), the outer wall of the telescopic protective sleeve (4) is provided with an avoiding groove (7) for providing space for the deformation of the elastic plate (6), one end of the elastic plate (6) away from the avoiding groove (7) is provided with a clamping block (8), and the receiving ring groove (5) is provided with a clamping groove (9) with an end capable of being clamped with the clamping block (8) and allowing the clamping block (8) to slide therein.

4. The laser cutting machine with anti-sputtering components according to claim 3, characterized in that: A guide component is arranged at one end of the clamping block (8) away from the elastic plate (6) to facilitate the deformation of the elastic plate (6) and insertion into the receiving ring groove (5).

5. The laser cutting machine with anti-sputtering components of claim 4, wherein: The guide component comprises a guide inclined surface (10) arranged at one end of the clamping block (8) away from the elastic plate (6), and the guide inclined surface (10) is inclined to increase from one end close to the insertion end of the clamping block (8) to one end away from the insertion end of the clamping block (8).

6. The laser cutting machine with anti-sputtering components of claim 1, wherein: Radiating fins (11) are embedded in the fixed protective sleeve (3) in a circumferential direction to absorb heat generated by the cutting head (2) during operation.

7. The laser cutting machine with anti-sputtering components of claim 1, wherein: An installation structure is arranged between the fixed protective sleeve (3) and the cutting head (2) to realize the installation therebetween.

8. The laser cutting machine with anti-sputtering components of claim 7, wherein: The installation structure comprises an annular groove (12) arranged on the outer wall of the cutting head (2) and an elastic clamping hook (13) arranged at the top of the fixed protective sleeve (3) and capable of being inserted into the annular groove (12) and clamped with the side wall of the annular groove (12).

9. The laser cutting machine with anti-sputtering components of claim 8, wherein: The top of the fixed protective sleeve (3) is provided with an avoiding ring groove (14), and the elastic clamping hook (13) is arranged in the avoiding ring groove (14) and the avoiding ring groove (14) can provide a deformation space when the elastic clamping hook (13) deforms.

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