Enclosure assembly and laser processing apparatus

Abstract

The application provides a cover assembly and a laser processing device. The cover assembly comprises a first side plate, a front plate and a second side plate which all extend along a first direction. The first side plate and the second side plate are oppositely arranged. The front plate is arranged between the first side plate and the second side plate, and the three plates form a containing space together. The cover assembly further comprises a first connecting piece and a second connecting piece which both extend along the first direction. The first connecting piece is connected with the first side plate and the front plate respectively. The second connecting piece is connected with the second side plate and the front plate respectively. Therefore, the cover assembly has better structural stability.

Description

Technical Field

[0001] This application relates to the field of laser processing technology, specifically to an outer casing assembly and laser processing equipment. Background Technology

[0002] Laser processing equipment is a device that uses a laser beam to carve, cut, or weld on the surface of materials, and is characterized by high precision and high speed.

[0003] During operation, the outer casing of laser processing equipment is prone to shaking, resulting in poor stability and potentially affecting processing accuracy. Utility Model Content

[0004] The purpose of this application is to provide an outer casing component and laser processing equipment with superior stability.

[0005] To address the aforementioned problems, in a first aspect, this application provides an outer casing assembly, comprising:

[0006] The outer cover structure includes a first side plate, a front plate, and a second side plate, all extending along a first direction. The first side plate and the second side plate are disposed opposite to each other, and the front plate is disposed between the first side plate and the second side plate. The three together form an accommodating space.

[0007] A first connector extends along the first direction and is connected to the first side plate and the front plate respectively; and

[0008] The second connector extends along the first direction and is connected to the second side plate and the front plate, respectively.

[0009] Optionally, the dimension of the first connector along the first direction is greater than or equal to half the dimension of the first side plate along the first direction; and / or,

[0010] The dimension of the second connector along the first direction is greater than or equal to half the dimension of the second side plate along the first direction.

[0011] Optionally, the dimensions of the first connector and the first side plate are equal along the first direction; and / or, the dimensions of the second connector and the second side plate are equal along the first direction.

[0012] Optionally, the first connector includes a first connecting portion connected to the first side plate, a first intermediate connecting portion, and a second connecting portion connected to the front plate. Both the first connecting portion and the second connecting portion are connected to the first intermediate connecting portion, and are symmetrically arranged about the first intermediate connecting portion; and / or,

[0013] The second connector includes a third connecting part connected to the second side plate, a second intermediate connecting part, and a fourth connecting part connected to the front plate. The third connecting part and the fourth connecting part are both connected to the second intermediate connecting part and are symmetrically arranged about the second intermediate connecting part.

[0014] Optionally, when the first connector includes a first connecting portion, a first intermediate connecting portion, and a second connecting portion, the first connector further includes a first protrusion that is provided and protrudes from the first connecting portion, and a second protrusion that is provided and protrudes from the second connecting portion. The first side plate is connected to the first connecting portion and abuts against the first protrusion, and the front plate is connected to the second connecting portion and abuts against the second protrusion.

[0015] When the second connector includes a third connecting portion, a second intermediate connecting portion, and a fourth connecting portion, the second connector further includes a third protrusion that is provided and protrudes from the third connecting portion, and a fourth protrusion that is provided and protrudes from the fourth connecting portion. The second side plate is connected to the third connecting portion and abuts against the third protrusion. The front plate is connected to the fourth connecting portion and abuts against the fourth protrusion.

[0016] Optionally, the first connector includes at least two first sub-connectors spaced apart along the first direction, each of the first sub-connectors being connected to the first side panel and the front panel respectively; and / or,

[0017] The second connector includes at least two second sub-connectors spaced apart along the first direction, each of the second sub-connectors being connected to the second side plate and the front plate, respectively.

[0018] Optionally, the first connector includes a first guide rail extending along the first direction on the side facing the accommodating space; the first guide rail is used to cooperate with an external structure to guide the outer cover assembly to slide along the first direction; and / or,

[0019] The second connector includes a second guide rail portion extending along the first direction on the side facing the accommodating space. The second guide rail portion is used to cooperate with an external structure to guide the outer cover assembly to slide along the first direction.

[0020] Optionally, the outer casing assembly further includes:

[0021] A first decorative element is connected to the first connecting element, or connected to the first side panel and the front panel respectively; the first decorative element is disposed on the side of the first connecting element opposite to the accommodating space and covers the first connecting element; and / or,

[0022] The second decorative element is connected to the second connector, or connected to the second side panel and the front panel respectively; the second decorative element is disposed on the side of the second connector opposite to the accommodating space and covers the second connector.

[0023] Optionally, when the first decorative piece is connected to the first connecting piece, the first decorative piece is provided with one of a slot and a strip, and the first connecting piece is provided with the other of the slot and the strip, wherein the slot and the strip engage in a snap-fit ​​relationship.

[0024] When the first decorative piece is connected to the first side panel and the front panel respectively, each end of the first decorative piece is provided with one of a slot and a strip, the first side panel is provided with the other of the slot and the strip, and the front panel is provided with the other of the slot and the strip. The slot and the strip engage with each other so that the two ends of the first decorative piece are respectively engaged with the first side panel and the front panel.

[0025] Optionally, when the second decorative piece is connected to the second connecting piece, the second decorative piece is provided with one of a slot and a strip, and the second connecting piece is provided with the other of the slot and the strip, wherein the slot engages with the strip.

[0026] When the second decorative piece is connected to the front panel and the second side panel respectively, each end of the second decorative piece is provided with one of a slot and a strip, the second side panel is provided with the other of the slot and strip, and the front panel is provided with the other of the slot and strip. The slot and the strip engage with each other so that the two ends of the second decorative piece are respectively engaged with the second side panel and the front panel.

[0027] Secondly, this application also provides a laser processing apparatus, comprising:

[0028] frame;

[0029] The outer casing assembly as described above is connected to the frame and is movable relative to the frame in the first direction; and

[0030] A laser head assembly is connected to the frame and disposed within the accommodating space of the outer casing assembly. The laser head assembly is used to emit a laser beam.

[0031] Optionally, the frame includes a first guide rail structure and a second guide rail structure spaced apart along a second direction and extending along the first direction, wherein the edge of the first side plate opposite to the front plate is slidably connected to the first guide rail structure, and the edge of the second side plate opposite to the front plate is slidably connected to the second guide rail structure; wherein the second direction is different from the first direction.

[0032] Optionally, the frame is provided with a first limiting member and a second limiting member, the first connecting member is movably connected to the first limiting member, and the second connecting member is movably connected to the second limiting member, so as to guide the movement of the outer cover assembly along the first direction and constrain the displacement of the outer cover assembly in the second direction and the third direction, wherein the first direction, the second direction and the third direction intersect each other.

[0033] Optionally, there are multiple first limiting members, which are spaced apart along the first direction; and / or, there are multiple second limiting members, which are spaced apart along the first direction.

[0034] Optionally, at least one of the first limiting member and the second limiting member includes an open linear bearing.

[0035] Based on the above technical solution, the first side plate, front plate, and second side plate of the outer cover assembly of this application together form an accommodating space. The outer cover assembly can accommodate the laser head assembly of the laser processing equipment and can block the laser beam emitted by the laser head assembly, thereby improving the safety of the laser processing equipment. Furthermore, the first side plate, front plate, and second side plate are connected into a frame as a whole under the action of the first connecting member and the second connecting member extending along the first direction. The connection between the first side plate, the second side plate, and the front plate is more solid, and the first side plate and the second side plate are less likely to move relative to the front plate in the first direction and cause shaking. Therefore, the outer cover assembly of the embodiment of this application has superior structural stability. Attached Figure Description

[0036] To more clearly illustrate the technical solutions in this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are merely some embodiments of this application. Those skilled in the art can obtain other drawings based on these drawings without any creative effort.

[0037] Figure 1 This is a schematic diagram of a structure of the outer casing assembly provided in an embodiment of this application;

[0038] Figure 2 for Figure 1 The exploded structure diagram of the outer casing assembly is shown.

[0039] Figure 3 for Figure 1 A schematic diagram of one structure of the first connector shown;

[0040] Figure 4 for Figure 1 A schematic diagram of a structure of the first connector, the first side plate, and the front plate shown;

[0041] Figure 5Another structural schematic diagram of the outer casing assembly provided in the embodiments of this application;

[0042] Figure 6 for Figure 5 A schematic diagram of the structure of the first connector and the first limiting member of the outer casing assembly shown;

[0043] Figure 7 This is a schematic diagram of the structure of a laser processing device provided in an embodiment of this application;

[0044] Figure 8 for Figure 7 An exploded view of the laser processing equipment shown.

[0045] Figure 9 for Figure 7 A schematic diagram of another form of the laser processing equipment shown;

[0046] Figure 10 for Figure 7 A top view of the laser processing equipment shown.

[0047] The reference numerals in the attached figures are as follows:

[0048] 10. Laser processing equipment; 100. Outer casing assembly; 200. Frame; 110. Outer casing structure; 120. Connecting structure; 130. First decorative component; 140. Second decorative component; 150. Handle structure; 210. Worktable; 220. First guide rail structure; 230. Second guide rail structure; 240. First limiting groove; 250. Second limiting groove; 101. Accommodating space; 111. First side plate; 112. Front plate; 113. Second side plate; 114. Top cover; 115. Bottom cover; 121. First connector; 122. Second connector; 123. First limiting member; 124. Second limiting member; 1211. First connecting part; 1212. First intermediate connecting part; 1213. Second connecting part; 1214. First protrusion; 1215. Second protrusion; 1216. First guide rail part; 1217. First sub-connector; H1. First direction; H2. Second direction; H3. Third direction. Detailed Implementation

[0049] The following will refer to the appendices in this application. Figure 1 To be continued Figure 10 The technical solutions in this application are clearly and completely described in conjunction with the embodiments. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the protection scope of this application.

[0050] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0051] Please refer to Figure 1 and Figure 2 , Figure 1 This is a schematic diagram of a structure of the outer cover assembly 100 provided in an embodiment of this application. Figure 2 for Figure 1 The diagram shows an exploded view of the outer casing assembly 100. The outer casing assembly 100 includes an outer casing structure 110 and a connecting structure 120.

[0052] The outer cover structure 110 includes a first side plate 111, a front plate 112, and a second side plate 113, all extending along a first direction H1. The first side plate 111 and the second side plate 113 are disposed opposite each other, and the front plate 112 is disposed between the first side plate 111 and the second side plate 113, and the three together form an accommodating space 101. The connecting structure 120 includes a first connector 121 and a second connector 122, all extending along a first direction H1. The first connector 121 is connected to the first side plate 111 and the front plate 112 respectively, and the second connector 122 is connected to the second side plate 113 and the front plate 112 respectively.

[0053] It is understood that at least one of the first side plate 111, the front plate 112, and the second side plate 113 may be made of, but is not limited to, metal, engineering plastics, composite materials, such as aluminum alloy, stainless steel, polycarbonate (PC), acrylonitrile-butadiene-styrene copolymer (ABS), carbon fiber composite materials, etc. The outer cover structure 110 forms the outer contour of the outer cover assembly 100. The first side plate 111, the front plate 112, and the second side plate 113 of the outer cover structure 110 are joined by splicing sheet metal and connected by the first connector 121 and the second connector 122 to form a frame assembly. This frame assembly forms an accommodating space 101 with an opening. The opening of the accommodating space 101 is opposite to the front plate 112. The accommodating space 101 can accommodate the laser head assembly (not shown in the figures) of the laser processing equipment 10 and other structures.

[0054] It is understood that the first side panel 111, the front panel 112, and the second side panel 113 are arranged sequentially along a second direction H2 different from the first direction H1. The openings of the front panel 112 and the accommodating space 101 are arranged along a third direction H3 different from the first direction H1 and the second direction H2. The first direction H1 can be the height direction of the first side panel 111, the front panel 112, and the second side panel 113, the second direction H2 can be the width direction of the front panel 112, and the third direction H3 can be the width direction of the first side panel 111 and the second side panel 113. In some examples, the first direction H1, the second direction H2, and the third direction H3 are perpendicular to each other, and the angle between any two directions is 90 degrees. It should be noted that at least one of the first side panel 111, the front panel 112, and the second side panel 113 can also be other regular or irregular shapes. The shape of the outer cover structure 110 is not limited in this embodiment.

[0055] It is understood that at least one of the first connector 121 and the second connector 122 may be, but is not limited to, a long strip structure extending along the first direction H1. For example, the first connector 121 and the second connector 122 are guide rail structures. The first connector 121 is disposed at one edge of the first side plate 111 and one edge of the front plate 112 and is connected to the two edges respectively. The second connector 122 is disposed at the other edge of the front plate 112 and one edge of the second side plate 113 and is connected to the two edges respectively. Thus, under the action of the first connector 121 and the second connector 122, the first side plate 111, the front plate 112 and the second side plate 113 are connected to form a frame as a whole.

[0056] It is understood that the first connector 121 can be fixedly connected to the first side plate 111 and the front plate 112 by means of snap-fit, threaded connection, riveting, welding, keying, pinning, bonding, etc. The second connector 122 can be fixedly connected to the second side plate 113 and the front plate 112 by means of snap-fit, threaded connection, riveting, welding, keying, pinning, bonding, etc. For example, the first connector 121, the first side plate 111, the front plate 112, the second connector 122, and the second side plate 113 are provided with multiple spaced and evenly distributed threaded holes. The first connector 121, the first side plate 111, and the front plate 112 are fixedly connected by multiple studs, and the second connector 122, the second side plate 113, and the front plate 112 are fixedly connected by multiple studs.

[0057] The first side plate 111, front plate 112, and second side plate 113 of the outer cover assembly 100 in this embodiment of the application together form an accommodating space 101. The outer cover assembly 100 can accommodate the laser head assembly of the laser processing equipment 10 and can block the laser beam emitted by the laser head assembly, thereby improving the safety of the laser processing equipment 10. Furthermore, the first side plate 111, front plate 112, and second side plate 113 are connected into a frame as a whole under the action of the first connector 121 and the second connector 122 extending along the first direction H1. The connection between the first side plate 111, the second side plate 113 and the front plate 112 is more solid, and the first side plate 111 and the second side plate 113 are less likely to be relatively displaced with the front plate 112 in the first direction H1 and thus not wobble. Therefore, the outer cover assembly 100 of this embodiment of the application has better structural stability.

[0058] In some examples, the dimension of the first connector 121 along the first direction H1 is greater than or equal to half the dimension of the first side plate 111 along the first direction H1; and / or, the dimension of the second connector 122 along the first direction H1 is greater than or equal to half the dimension of the second side plate 113 along the first direction H1.

[0059] Understandably, the first connector 121 has a first dimension along the first direction H1, and the first side plate 111 has a second dimension along the first direction H1, wherein the first dimension is greater than or equal to one-half of the second dimension. For example, the first dimension can be one-half, two-thirds, three-quarters, or four-fifths of the second dimension. In this case, the area where the first side plate 111 and the front plate 112 are connected by the first connector 121 in the first direction H1 is longer, the connection between the first side plate 111 and the front plate 112 is more secure, and the two are less likely to experience relative displacement in the first direction H1, causing the first side plate 111 to wobble relative to the front plate 112.

[0060] Understandably, the second connector 122 has a third dimension along the first direction H1, and the second side plate 113 has a fourth dimension along the first direction H1. This third dimension is greater than or equal to half of the fourth dimension; for example, the third dimension can be half, two-thirds, three-quarters, or four-fifths of the fourth dimension. In this case, the area where the second side plate 113 and the front plate 112 are connected by the second connector 122 in the first direction H1 is longer, and the connection between the second side plate 113 and the front plate 112 is more secure. The two are less likely to experience relative displacement in the first direction H1, causing the second side plate 113 to wobble relative to the front plate 112.

[0061] It is understood that, in the embodiments of this application, the first dimension may be set to be greater than or equal to half of the second dimension, or the third dimension may be set to be greater than or equal to half of the fourth dimension; or the first dimension may be set to be greater than or equal to half of the second dimension, and the third dimension may be set to be greater than or equal to half of the fourth dimension.

[0062] In the outer cover assembly 100 of this application embodiment, when the dimension of the first connector 121 along the first direction H1 is greater than or equal to half the dimension of the first side plate 111 along the first direction H1, and the dimension of the second connector 122 along the first direction H1 is greater than or equal to half the dimension of the second side plate 113 along the first direction H1, the area where the first side plate 111, the second side plate 113 and the front plate 112 are connected in the first direction H1 is longer, the connection between the first side plate 111, the second side plate 113 and the front plate 112 is more firm, and the first side plate 111, the second side plate 113 are less likely to be relatively displaced with the front plate 112 in the first direction H1 and thus shake. Therefore, the outer cover assembly 100 of this application embodiment has better structural stability.

[0063] In some examples, the dimensions of the first connector 121 and the first side plate 111 along the first direction H1 are equal (including approximately equal). In other examples, the dimensions of the second connector 122 and the second side plate 113 along the first direction H1 are equal (including approximately equal). In still other examples, the dimensions of the first connector 121 and the first side plate 111 along the first direction H1 are equal, and the dimensions of the second connector 122 and the second side plate 113 along the first direction H1 are also equal. Further, the dimensions of the first connector 121, the first side plate 111, and the front plate 112 along the first direction H1 are equal, or the dimensions of the second connector 122, the second side plate 113, and the front plate 112 along the first direction H1 are equal, or the dimensions of the first connector 121, the second connector 122, the first side plate 111, the front plate 112, and the second side plate 113 along the first direction H1 are all equal. In this embodiment, the connection area between the first connector 121 and the first side plate 111 is longer, and the connection area between the second connector 122 and the second side plate 113 is also longer, which further increases the connection strength between the first side plate 111 and the front plate 112, and between the second side plate 113 and the front plate 112.

[0064] In some examples, please refer to Figure 1 and Figure 2 Please refer to Figure 3 , Figure 3 for Figure 1 The diagram shows a structural schematic of the first connector 121. The first connector 121 includes a first connecting portion 1211, a first intermediate connecting portion 1212, and a second connecting portion 1213. The first connecting portion 1211 extends along a first direction H1 and is connected to a first side plate 111. The second connecting portion 1213 extends along the first direction H1 and is connected to a second side plate 113. The first intermediate connecting portion 1212 extends along the first direction H1 and is connected to both the first connecting portion 1211 and the second connecting portion 1213.

[0065] Understandably, in some examples, the first connecting portion 1211 and the second connecting portion 1213 are symmetrically arranged about the first intermediate connecting portion 1212. In this case, the first connector 121 is connected to the first side plate 111 and the front plate 112 respectively through the two connecting portions, which makes the connection assembly operation more convenient; at the same time, the stress generated when the first connector 121 is connected to the first side plate 111 and the front plate 112 can be evenly distributed on the two symmetrically arranged connecting portions, improving the connection load-bearing capacity and service life of the first connector 121.

[0066] Understandably, in some examples, both the first connecting portion 1211 and the second connecting portion 1213 are connected to the first intermediate connecting portion 1212 in an arc-shaped transition. The first connecting portion 1211 and the second connecting portion 1213 can achieve this arc-shaped transition connection with the first intermediate connecting portion 1212 through, but not limited to, arc surfaces, curved surfaces, or circular arc surfaces. This arc-shaped transition connection can further ensure a more uniform distribution of stress in the first connecting member 121 and reduce stress concentration, thereby improving the fatigue life of the first connecting member 121, preventing fracture of the first connecting member 121, and further improving the structural strength of the first connecting member 121. Of course, in other examples, both the first connecting portion 1211 and the second connecting portion 1213 are connected to the first intermediate connecting portion 1212 at right angles. The first connecting portion 1211 is perpendicular or approximately perpendicular to the first intermediate connecting portion 1212, and the second connecting portion 1213 is perpendicular or approximately perpendicular to the first intermediate connecting portion 1212. At this time, the shape of the connection area between the first connecting part 1211, the second connecting part 1213 and the first intermediate connecting part 1212 is more regular, which makes it easier to fit the regular-shaped outer cover structure 110. It should be noted that the first connecting part 1211 and the second connecting part 1213 can also adopt other connection methods with the first intermediate connecting part 1212, and this application embodiment does not limit this.

[0067] In this embodiment of the application, the first connecting portion 1211 and the second connecting portion 1213 of the first connector 121 are symmetrically arranged about the first intermediate connecting portion 1212, so that the stress of the first connector 121 is more evenly distributed and the first connector 121 has better structural strength and service life performance.

[0068] In some examples, the first connector 121 further includes a first protrusion 1214 that is provided and protrudes from the first connecting portion 1211, and a second protrusion 1215 that is provided and protrudes from the second connecting portion 1213. When the first side plate 111 is connected to the first connecting portion 1211, the first side plate 111 can also abut against the first protrusion 1214. For example, one side of the first side plate 111 abuts against the side of the first protrusion 1214 facing the first connecting portion 1211. In this case, the first side plate 111 and the first connector 121 have at least two connection force-bearing areas, and their connection is more secure. Similarly, when the front plate 112 is connected to the second connecting portion 1213, the front plate 112 also abuts against the second protrusion 1215. For example, one side of the front plate 112 abuts against the side of the second protrusion 1215 facing the second connecting part 1213. At this time, the front plate 112 and the first connecting member 121 have at least two connection force areas, and the connection between the two is more solid.

[0069] In some examples, the side of the first connector 121 facing the accommodating space 101 includes a first guide rail portion 1216 extending along a first direction H1. The first guide rail portion 1216 is used to cooperate with an external structure to guide the outer cover assembly 100 to slide along the first direction H1. It is understood that the first guide rail portion 1216 can be connected to the first intermediate connecting portion 1212, or the two are integrally formed. The dimension of the first guide rail portion 1216 along the first direction H1 can be the maximum dimension of the first connector 121 along the first direction H1; or, the dimension of the first guide rail portion 1216 along the first direction H1 is smaller than the maximum dimension of the first connector 121 along the first direction H1. When the outer cover assembly 100 of this embodiment is applied to an external structure such as a laser processing equipment 10, the first guide rail portion 1216 can play a guiding role to increase the stability of the movement of the outer cover assembly 100 relative to the external structure such as the laser processing equipment 10 along the first direction H1.

[0070] In some examples, the structure of the second connector 122 may be the same as that of the first connector 121. For example, the second connector 122 includes a third connecting portion (not shown in the figures) connected to the second side plate 113, a second intermediate connecting portion (not shown in the figures), and a fourth connecting portion (not shown in the figures) connected to the front plate 112. In some examples, the third and fourth connecting portions are symmetrically arranged about the second intermediate connecting portion. In this case, the stress in the second connector 122 is more evenly distributed, and the second connector 122 also has better structural strength and service life performance. In some examples, both the third and fourth connecting portions are connected to the second intermediate connecting portion with an arc-shaped transition or a right-angle transition.

[0071] Understandably, in some examples, the second connector 122 may further include a third protrusion (not shown in the figures) that is provided and protrudes from the third connector, and a fourth protrusion (not shown in the figures) that is provided and protrudes from the fourth connector. The second side plate 113 is connected to the third connector and abuts against the third protrusion, and the front plate 112 is connected to the fourth connector and abuts against the fourth protrusion. Thus, the front plate 112, the second side plate 113, and the second connector 122 of this application each have at least two connection force-bearing areas, and the connection between the front plate 112, the second side plate 113, and the second connector 122 is more robust.

[0072] Understandably, in some examples, the second connector 122 includes a second guide rail (not shown) extending along the first direction H1 on the side facing the accommodating space 101. This second guide rail is used to engage with an external structure to guide the outer casing assembly 100 to slide along the first direction H1. Thus, the second guide rail can act as a guide to increase the stability of the outer casing assembly 100 relative to external structures such as the laser processing equipment 10 as it moves along the first direction H1.

[0073] It should be noted that in some examples, the structure of the second connector 122 may differ from that of the first connector 121. This application does not limit the specific structures of the first connector 121 and the second connector 122.

[0074] In some examples, please refer to Figure 1 and Figure 2 Please refer to Figure 4 , Figure 4 for Figure 1 The diagram shows a structural schematic of the first connector 121, the first side plate 111, and the front plate 112. The first connector 121 includes at least two first sub-connectors 1217 arranged at intervals along a first direction H1, and each first sub-connector 1217 is connected to the first side plate 111 and the front plate 112 respectively.

[0075] It is understandable that, such as Figure 4 As shown, taking the first connector 121 as an example, the first connector 121 may include three first sub-connectors 1217 arranged at intervals along the first direction H1. Each first sub-connector 1217 extends along the first direction H1, and the total length of the three first sub-connectors 1217 along the first direction H1 is greater than or equal to half the dimension of the first side plate 111 along the first direction H1. The multiple first sub-connectors 1217 of the first connector 121 can be connected to the first side plate 111 and the front plate 112 using the same connection method, or they can be connected to the first side plate 111 and the front plate 112 using different or not completely identical connection methods. This application embodiment does not limit the specific connection method of the multiple first sub-connectors 1217.

[0076] It is understood that in some examples, the second connector 122 includes at least two second sub-connectors (not shown in the figures) spaced apart along the first direction H1, each second sub-connector being connected to the second side plate 113 and the front plate 112 respectively. The total length of the plurality of second sub-connectors of the second connector 122 along the first direction H1 is greater than or equal to half the dimension of the second side plate 113 along the first direction H1. The plurality of second sub-connectors of the second connector 122 can achieve the connection between the second side plate 113 and the front plate 112 in the same, different, or not completely identical ways; this application embodiment does not limit this.

[0077] The first connector 121 and the second connector 122 in this application embodiment include a plurality of connectors spaced apart. The gaps between the plurality of sub-connectors can avoid certain structures on the first side plate 111, the front plate 112, and the second side plate 113. Thus, the plurality of sub-connectors of the first connector 121 and the second connector 122 improve the installation flexibility of the first connector 121 with the first side plate 111 and the front plate 112, as well as the installation flexibility of the second connector 122 with the second side plate 113 and the front plate 112.

[0078] Please refer to the following: Figure 5 and Figure 6 , Figure 5 This is a schematic diagram of another structure of the outer cover assembly 100 provided in an embodiment of this application. Figure 6 for Figure 5 The diagram shows the structure of the first connector 121 and the first limiting member 123 of the outer cover assembly 100. The connection structure 120 of the outer cover assembly 100 also includes at least one of the first limiting member 123 and the second limiting member 124.

[0079] Understandably, the first limiting member 123 is fitted onto the outer periphery of the first connecting member 121 (i.e., the side of the first connecting member 121). For example, the first limiting member 123 is fitted onto the outer periphery of the first intermediate connecting portion 1212 or the first guide rail portion 1216 of the first connecting member 121. The first limiting member 123 can restrict the swaying of the first connecting member 121 in the radial direction, which is the direction of the plane perpendicular to the first direction H1. Thus, the first limiting member 123 further improves the connection stability between the first connecting member 121 and the first side plate 111 and the front plate 112.

[0080] Understandably, the second limiting member 124 is fitted onto the outer periphery of the second connecting member 122 (i.e., the side of the second connecting member 122). For example, the second limiting member 124 is fitted onto the outer periphery of the second intermediate connecting portion or the second guide rail portion of the second connecting member 122. The second limiting member 124 can restrict the swaying of the second connecting member 122 in the radial direction, thereby further improving the connection stability between the second connecting member 122 and the second side plate 113 and the front plate 112.

[0081] It is understood that at least one of the first limiting member 123 and the second limiting member 124 can be, but is not limited to, a clamp, a ring, a C-ring, or an open linear bearing. The open linear bearing is a linear motion bearing comprising an inner ring, an outer ring, rolling elements, and a cage. The outer ring is open for easy installation and disassembly. The inner ring is designed to be relatively smooth to reduce friction with moving parts. The rolling elements roll between the inner and outer rings, and the cage evenly spaces the rolling elements. In this embodiment, the inner ring of the open linear bearing can be fitted onto the outer periphery of the first connecting member 121 and the second connecting member 122, and the inner ring can abut against the outer periphery of the first connecting member 121 and the second connecting member 122 and restrict radial wobble. In this embodiment, because the outer ring of the open linear bearing is open, the open linear bearing is easier to assemble onto the first connecting member 121 and the second connecting member 122.

[0082] In this embodiment, the first limiting member 123 is sleeved on the outer periphery of the first connecting member 121, and the second limiting member 124 is sleeved on the outer periphery of the second connecting member 122. Under the action of the first connecting member 121, the second connecting member 122, the first limiting member 123, and the second limiting member 124, the first connecting member 121 and the second connecting member 122 can prevent the outer cover structure 110 formed by the first side plate 111, the front plate 112, and the second side plate 113 from shaking along the first direction H1 (e.g., up and down direction). The first limiting member 123 and the second limiting member 124 can prevent the outer cover structure 110 from shaking along the radial direction (e.g., left and right direction). Therefore, the stability of the outer cover structure 110 in this embodiment is better.

[0083] In some examples, the connecting structure 120 includes a plurality of first limiting members 123 spaced apart along a first direction H1. These first limiting members 123 are spaced apart and sleeved on the outer periphery of the first connector 121, and can be evenly distributed along the first direction H1. In this case, the first connector 121 is less prone to radial swaying under the limiting effect of the plurality of first limiting members 123, resulting in better stability for both the first connector 121 and the outer cover structure 110.

[0084] In some examples, the connecting structure 120 includes a plurality of second limiting members 124 spaced apart along a first direction H1. These second limiting members 124 are spaced apart and sleeved on the outer periphery of the second connector 122, and can be evenly distributed along the first direction H1. In this case, the second connector 122 is less prone to radial swaying under the limiting effect of the multiple second limiting members 124, resulting in better stability for both the second connector 122 and the outer cover structure 110.

[0085] It should be noted that in some examples, the connection structure 120 may also include multiple spaced first limiting members 123 and multiple spaced second limiting members 124.

[0086] Please continue to refer to the following: Figures 1 to 6 The outer casing assembly 100 further includes at least one of a first decorative element 130 and a second decorative element 140. The first decorative element 130 is connected to the first connector 121. Alternatively, the first decorative element 130 is connected to both the first side panel 111 and the front panel 112. The first decorative element 130 is disposed on the side of the first connector 121 opposite to the accommodating space 101 and covers the first connector 121. The second decorative element 140 is connected to the second connector 122. Alternatively, the second decorative element 140 is connected to both the second side panel 113 and the front panel 112. The second decorative element 140 is disposed on the side of the second connector 122 opposite to the accommodating space 101 and covers the second connector 122.

[0087] Understandably, in some examples, when the first decorative element 130 is connected to the first connecting element 121, the first decorative element 130 has one of a slot and a strip, and the first connecting element 121 has the other of a slot and a strip, with the slot and strip engaging in a snap-fit ​​relationship. In some examples, when the first decorative element 130 is connected to the first side panel 111 and the front panel 112 respectively, both ends of the first decorative element 130 have one of a slot and a strip, the first side panel 111 has the other of a slot and a strip, and the front panel 112 has the other of a slot and a strip, with the slot and strip engaging in a snap-fit ​​relationship, so that both ends of the first decorative element 130 are respectively snapped onto the first side panel 111 and the front panel 112. It should be noted that the first decorative element 130 can also be connected to the first connecting element 121 in other ways, or to the first side panel 111 and the front panel 112.

[0088] Understandably, in some examples, when the second decorative element 140 is connected to the second connecting element 122, the second decorative element 140 has one of a slot and a strip, and the second connecting element 122 has the other of a slot and a strip, with the slot engaging with the strip. In some examples, when the second decorative element 140 is connected to the front panel 112 and the second side panel 113 respectively, both ends of the second decorative element 140 have one of a slot and a strip, the second side panel 113 has the other of a slot and a strip, and the front panel 112 has the other of a slot and a strip, with the slot engaging with the strip so that both ends of the second decorative element 140 are respectively engaged with the second side panel 113 and the front panel 112. It should be noted that the second decorative element 140 can also be connected to the second side panel 113 and the front panel 112 in other ways.

[0089] Understandably, the first decorative element 130 is disposed on the side of the first connector 121 facing away from the accommodating space 101. The first decorative element 130 can externally cover the first connector 121, thereby improving the aesthetics of the outer cover structure 110. Specifically, the first decorative element 130 extends along the first direction H1, and its length along the first direction H1 can be equal to (or approximately equal to) the lengths of the first side panel 111 and the front panel 112 along the first direction H1 (e.g., the larger of the two lengths). The first decorative element 130 can completely cover the first connector 121 and align with the first side panel 111 and the front panel 112, further enhancing the aesthetics of the outer cover structure 110.

[0090] Understandably, the second decorative element 140 is disposed on the side of the second connector 122 facing away from the accommodating space 101. The second decorative element 140 can externally conceal the second connector 122, thereby improving the aesthetics of the outer cover structure 110. Specifically, the second decorative element 140 extends along the first direction H1, and its length along the first direction H1 can be equal to (or approximately equal to) the lengths of the second side plate 113 and the front plate 112 along the first direction H1 (e.g., the larger of the two lengths). The second decorative element 140 can completely conceal the second connector 122 and align with the second side plate 113 and the front plate 112, further enhancing the aesthetics of the outer cover structure 110. The first decorative element 130 and the second decorative element 140 can have the same or different structures.

[0091] It is understandable that when the first connecting portion 1211 and the second connecting portion 1213 of the first connector 121 are connected to the first intermediate connecting portion 1212 in an arc transition, and the third connecting portion and the fourth connecting portion of the second connector 122 are connected to the second intermediate connecting portion in an arc transition, the first decorative component 130 and the second decorative component 140 can be arc-shaped structures adapted to the first connector 121 and the second connector 122. The stress generated by the arc-shaped decorative component is not easily concentrated, which improves the structural strength and service life of the decorative component. The material of the first decorative component 130 and the second decorative component 140 can be, but is not limited to, the same as the material of the outer cover structure 110. For example, the first decorative component 130 and the second decorative component 140 can be, but is not limited to, metal, engineering plastics, composite materials, such as aluminum alloy, stainless steel, PC, ABS, carbon fiber composite materials, etc.

[0092] In this embodiment, a first decorative element 130 is provided on the outside of the first connector 121 and a second decorative element 140 is provided on the outside of the second connector 122, which greatly improves the aesthetics of the outer cover structure 110.

[0093] Please refer to this again. Figures 1 to 6 The outer cover structure 110 also includes a top cover 114 and a bottom cover 115 disposed opposite to each other along a first direction H1. The top cover 114 and the bottom cover 115 are respectively connected to the first side plate 111, the front plate 112, and the second side plate 113. The top cover 114 may be, but is not limited to, a frame structure or a thin plate structure, and the bottom cover 115 may be a frame structure. When the outer cover assembly 100 of this application is assembled into the laser processing equipment 10 described later, the bottom cover 115 is close to the worktable 210 of the laser processing equipment 10, and the top cover 114 is away from the worktable 210. In this embodiment, the top cover 114 and the bottom cover 115 are connected to the first side plate 111, the front plate 112, and the second side plate 113 to form a whole, further increasing the stability of the outer cover structure 110 and also increasing its aesthetics.

[0094] Please refer to this again. Figures 1 to 6 The outer cover assembly 100 also includes a handle structure 150, which is provided and protrudes from the front panel 112. The user can hold the handle structure 150 and move the outer cover structure 110 along the first direction H1. The distance between the handle structure 150 and the bottom cover 115 is less than the distance between the handle structure 150 and the top cover 114. In this case, the handle structure 150 is closer to the worktable 210. The handle structure 150 is located slightly below the center of the front panel 112, which lowers the center of gravity of the entire outer cover assembly 100 and further improves the structural stability of the outer cover assembly 100.

[0095] Based on the above description, the outer cover assembly 100 of this application embodiment connects the first side plate 111, the front plate 112, and the second side plate 113 through the first connector 121, the second connector 122, the first limiting member 123, and the second limiting member 124. This application achieves the structural stability of the entire outer cover assembly 100 by splicing sheet metal, avoiding the problems of integral mold opening of the outer cover assembly 100 and poor molding of molded injection parts. It ensures the product stability requirement with lower production cost. The outer cover assembly 100 of this application takes into account the advantages of low cost and high stability.

[0096] Based on the description of the outer casing assembly 100 above, this application also provides a laser processing apparatus 10. Please refer to... Figure 7 and Figure 8 , Figure 7 This is a schematic diagram of the structure of the laser processing equipment 10 provided in an embodiment of this application. Figure 8 for Figure 7 An exploded view of a laser processing apparatus 10 is shown. The laser processing apparatus 10 includes a frame 200, an outer casing assembly 100, and a laser head assembly (not shown in the figure). The outer casing assembly 100 includes the outer casing assembly 100 of any of the above embodiments.

[0097] Understandably, the frame 200 is the main frame structure of the laser processing equipment 10, providing structural support for the outer casing assembly 100 and the laser head assembly. The outer casing assembly 100 is connected to the frame 200 and can move relative to the frame 200 along a first direction H1. For example, please refer to... Figure 7 , Figure 8 Please refer to Figure 9 and Figure 10 , Figure 9 for Figure 7 A schematic diagram of another configuration of the laser processing equipment 10 shown. Figure 10 for Figure 7 The diagram shows a top view of the laser processing equipment 10. The frame 200 is provided with two guide rail structures 220 and 230 extending along a first direction H1. These guide rail structures 220 and 230 are spaced apart along a second direction H2. The edge of the first side plate 111 of the outer cover assembly 100 opposite to the front plate 112 is slidably connected to the first guide rail structure 220, and the edge of the second side plate 113 opposite to the front plate 112 is slidably connected to the second guide rail structure 230. The outer cover assembly 100 can move up and down along the first direction H1 under the action of the two guide rail structures. The outer cover assembly 100 can block the laser beam emitted by the laser head assembly at different positions, thereby avoiding harm to the operator, user, or operator from the laser beam.

[0098] It is understood that at least one of the first guide rail structure 220 and the second guide rail structure 230 of the frame 200 may be, but is not limited to, a roller guide rail. The edges of the first side plate 111 and the second side plate 113 opposite to the front plate 112 may be provided with rolling portions that match the roller guide rails, so as to realize the movement of the outer cover assembly 100 along the first direction H1. The frame 200, the first side plate 111, and the second side plate 113 may also be provided with, but are not limited to, hovering structures to enable the outer cover assembly 100 to hover relative to the frame 200 at any position. This hovering structure may include, but is not limited to, magnetic components, elastic components, etc. This application embodiment does not limit this aspect.

[0099] It should be noted that, in addition to moving relative to the frame 200 along the first direction H1 via the first guide rail structure 220 and the second guide rail structure 230, the outer cover assembly 100 can also move relative to the frame 200 along the first direction H1 via, but not limited to, a lifting mechanism, etc. This application embodiment does not limit this.

[0100] Understandably, in some examples, such as Figures 7 to 10 As shown, the frame 200 is provided with a first limiting member 123 and a second limiting member 124. A first connecting member 121 is movably connected to the first limiting member 123 (for example, the first connecting member 121 can move relative to the first limiting member 123 along a first direction H1), and a second connecting member 122 is movably connected to the second limiting member 124 (for example, the second connecting member 122 can move relative to the second limiting member 124 along a first direction H1) to guide the movement of the outer cover assembly 100 along the first direction H1 and to constrain the displacement of the outer cover assembly 100 in the second direction H2 and the third direction H3. In this embodiment, the outer cover assembly 100 or the laser processing equipment 10 includes the first limiting member 123 and the second limiting member 124.

[0101] Understandably, in some examples, the frame 200, facing the first connector 121, may have a first limiting groove 240. A first limiting member 123 may be positioned and fixed in the first limiting groove 240, and the first limiting member 123 does not move with the outer cover structure 110 and the first connector 121. Similarly, the frame 200, facing the second connector 122, may have a second limiting groove 250. A second limiting member 124 may be positioned and fixed in the second limiting groove 250, and the second limiting member 124 does not move with the outer cover structure 110 and the second connector 122. In this embodiment, the first limiting member 123 and the second limiting member 124 do not move together with the outer cover structure 110, the first connector 121, and the second connector 122. The first limiting member 123 and the second limiting member 124 provide better constraint on the displacement of the outer cover assembly 100 in the second direction H2 and the third direction H3.

[0102] It should be noted that in some examples, the first limiting member 123 and the second limiting member 124 may also move together with the outer cover assembly 100, the first connecting member 121, and the second connecting member 122 along the first direction H1. This application embodiment does not limit this.

[0103] Understandably, in some examples, the outer casing assembly 100 or the laser processing equipment 10 may include a plurality of first limiting members 123, which are spaced apart along a first direction H1. In some examples, the outer casing assembly 100 or the laser processing equipment 10 may include a plurality of second limiting members 124, which are spaced apart along the first direction H1. In some examples, the outer casing assembly 100 or the laser processing equipment 10 may include a plurality of first limiting members 123 and a plurality of second limiting members 124, with the first limiting members 123 spaced apart along the first direction H1 and the plurality of second limiting members 124 spaced apart along the first direction H1.

[0104] Understandably, in some examples, at least one of the first limiting member 123 and the second limiting member 124 includes an open linear bearing.

[0105] Understandably, the frame 200 may be equipped with a worktable 210, on which the workpiece to be processed can be placed and fixed. The frame 200 may also be equipped with a moving mechanism, which is connected to the laser head assembly and can drive the laser head assembly to move along at least one of the first direction H1, the second direction H2, and the third direction H3, so that the laser head assembly can perform laser processing on the workpiece at different positions.

[0106] It is understood that the laser head assembly may include, but is not limited to, a laser, a lens assembly, and a galvanometer, with the laser beam emitted by the laser sequentially transmitted to the lens assembly and the galvanometer assembly. In some examples, the laser head assembly also includes a lens disposed between the laser and the lens assembly, which can focus and / or collimate the laser beam.

[0107] The laser head assembly of the laser processing equipment 10 in this embodiment can move relative to the worktable 210 and perform laser processing operations such as laser engraving, cutting, and welding on the workpiece. The outer cover assembly 100 can move up and down relative to the frame 200 along the first direction H1. The outer cover assembly 100 can move with the movement of the laser head assembly to block the laser beam and improve the safety of the laser processing equipment 10. At the same time, since the outer cover assembly 100 of this application has superior stability, it is not easy for the outer cover assembly 100 to shake during movement and is not likely to affect the frame 200 and the laser head assembly, thus ensuring the processing accuracy of the laser processing equipment 10.

[0108] It should be noted that the outer cover assembly 100 and the laser processing equipment 10 in this application are different subjects under the same inventive concept, and features not described in detail in each embodiment can be referred to the descriptions in other embodiments.

[0109] It should be noted that the term "multiple" in this application generally refers to two or more. Furthermore, the directional terms used in the embodiments of this application, such as "up," "down," "front," "back," "left," "right," "inner," "outer," and "side," are only for reference to the accompanying drawings. Therefore, the directional terms used are for illustrating and understanding the embodiments of this application, and not for limiting the embodiments of this application. In the various drawings, structurally similar units are represented by the same reference numerals. For clarity, the various parts in the drawings are not drawn to scale. Additionally, some related parts may not be shown in the drawings.

[0110] It should be understood that in the description of this application, terms such as "first" and "second" are used only to distinguish similar objects and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated.

[0111] It is understood that those skilled in the art can combine various implementation methods in the above embodiments under the guidance of the above examples to obtain technical solutions with multiple implementation methods. The above descriptions are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

[0112] The outer casing assembly and laser processing equipment provided in this application have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this application. The descriptions of the embodiments above are only for the purpose of helping to understand this application. Furthermore, those skilled in the art will recognize that, based on the ideas of this application, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A cover assembly, characterized by The outer cover structure comprises a first side plate, a front plate and a second side plate extending along a first direction, the first side plate and the second side plate are oppositely arranged, and the front plate is arranged between the first side plate and the second side plate to form a containing space together with the first side plate and the second side plate; a first connecting member extending along the first direction, the first connecting member is connected with the first side plate and the front plate respectively; and a second connecting member extending along the first direction, the second connecting member is connected with the second side plate and the front plate respectively. The size of the first connecting member along the first direction is greater than or equal to half of the size of the first side plate along the first direction; and / or The size of the second connecting member along the first direction is greater than or equal to half of the size of the second side plate along the first direction.

2. The cover assembly of claim 1, wherein, The size of the first connecting member along the first direction is equal to the size of the first side plate along the first direction; and / or the size of the second connecting member along the first direction is equal to the size of the second side plate along the first direction. The first connecting member comprises a first connecting part connected with the first side plate, a first intermediate connecting part, and a second connecting part connected with the front plate, the first connecting part and the second connecting part are connected with the first intermediate connecting part and are symmetrically arranged about the first intermediate connecting part; and / or 3. The shroud assembly of claim 2, wherein, The second connecting member comprises a third connecting part connected with the second side plate, a second intermediate connecting part, and a fourth connecting part connected with the front plate, the third connecting part and the fourth connecting part are connected with the second intermediate connecting part and are symmetrically arranged about the second intermediate connecting part.

4. The cover assembly of claim 1, wherein, When the first connecting member comprises a first connecting part, a first intermediate connecting part and a second connecting part, the first connecting member further comprises a first protruding part arranged and protruding from the first connecting part, and a second protruding part arranged and protruding from the second connecting part, the first side plate is connected with the first connecting part and abuts against the first protruding part, and the front plate is connected with the second connecting part and abuts against the second protruding part; When the second connecting member comprises a third connecting part, a second intermediate connecting part and a fourth connecting part, the second connecting member further comprises a third protruding part arranged and protruding from the third connecting part, and a fourth protruding part arranged and protruding from the fourth connecting part, the second side plate is connected with the third connecting part and abuts against the third protruding part, and the front plate is connected with the fourth connecting part and abuts against the fourth protruding part.

5. The shroud assembly of claim 4, wherein, The first connecting member comprises at least two first sub-connecting members arranged at intervals along the first direction, each first sub-connecting member is connected with the first side plate and the front plate respectively; and / or The second connecting member comprises at least two second sub-connecting members arranged at intervals along the first direction, each second sub-connecting member is connected with the second side plate and the front plate respectively.

6. The cover assembly of claim 1, wherein, The side of the first connecting member facing the containing space comprises a first guide rail part extending along the first direction, the first guide rail part is used for cooperating with an external structure to guide the outer cover assembly to slide along the first direction; and / or ​ 7. The cover assembly of claim 1, wherein, ​ The second connecting member comprises a second guide rail part extending along the first direction on a side of the second connecting member facing the accommodating space, and the second guide rail part is used to cooperate with an external structure to guide the cover assembly to slide along the first direction.

8. The cover assembly of any one of claims 1 to 7, wherein, The cover assembly further comprises: a first decoration member connected with the first connecting member, or connected with the first side plate and the front plate respectively; the first decoration member is arranged on a side of the first connecting member facing away from the accommodating space and covers the first connecting member; and / or a second decoration member connected with the second connecting member, or connected with the second side plate and the front plate respectively; the second decoration member is arranged on a side of the second connecting member facing away from the accommodating space and covers the second connecting member.

9. The shroud assembly of claim 8, wherein, When the first decoration member is connected with the first connecting member, one of a clamping groove and a clamping strip is arranged on the first decoration member, and the other of the clamping groove and the clamping strip is arranged on the first connecting member, and the clamping groove and the clamping strip are clamped and matched; When the first decoration member is connected with the first side plate and the front plate respectively, one of a clamping groove and a clamping strip is arranged on each end of the first decoration member, the other of the clamping groove and the clamping strip is arranged on the first side plate, and the other of the clamping groove and the clamping strip is arranged on the front plate, and the clamping groove and the clamping strip are clamped and matched to clamp each end of the first decoration member to the first side plate and the front plate respectively.

10. The cover assembly of claim 8, wherein, When the second decoration member is connected with the second connecting member, one of a clamping groove and a clamping strip is arranged on the second decoration member, and the other of the clamping groove and the clamping strip is arranged on the second connecting member, and the clamping groove and the clamping strip are clamped and matched; When the second decoration member is connected with the front plate and the second side plate respectively, one of a clamping groove and a clamping strip is arranged on each end of the second decoration member, the other of the clamping groove and the clamping strip is arranged on the second side plate, and the other of the clamping groove and the clamping strip is arranged on the front plate, and the clamping groove and the clamping strip are clamped and matched to clamp each end of the second decoration member to the second side plate and the front plate respectively.

11. A laser processing apparatus characterized by comprising: comprises: a rack; the cover assembly according to any one of claims 1 to 10, the cover assembly being connected with the rack and being capable of moving along the first direction relative to the rack; and a laser head assembly connected with the rack and arranged in the accommodating space of the cover assembly, the laser head assembly being used to emit a laser beam. The rack comprises a first guide rail structure and a second guide rail structure arranged in a spaced manner along a second direction and extending along the first direction, an edge of the first side plate facing away from the front plate is in sliding connection with the first guide rail structure, and an edge of the second side plate facing away from the front plate is in sliding connection with the second guide rail structure; wherein the second direction is different from the first direction.

12. The laser processing apparatus according to claim 11, characterized by ​ 13. The laser processing apparatus according to claim 11, wherein The rack is provided with a first limiting member and a second limiting member, the first connecting member is movably connected with the first limiting member, and the second connecting member is movably connected with the second limiting member, so as to guide the movement of the cover assembly in the first direction and constrain the displacement of the cover assembly in the second direction and the third direction, and the first direction, the second direction and the third direction intersect with each other.

14. The laser processing apparatus according to claim 13, characterized by The first limiting member is a plurality of first limiting members, and the plurality of first limiting members are arranged at intervals along the first direction; and / or the second limiting member is a plurality of second limiting members, and the plurality of second limiting members are arranged at intervals along the first direction.

15. The laser processing apparatus according to claim 13 or 14, characterized by At least one of the first limiting member and the second limiting member comprises an open linear bearing.

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