Surface mounting outer cover and automatic surface mounting equipment

By designing a foldable front door assembly and a multi-opening chassis structure, the problem of large size and space occupation of the automatic placement machine's outer cover was solved, achieving a compact and convenient outer cover and easy viewing of the display screen.

CN223872659UActive Publication Date: 2026-02-03JIANGMEN DESEN INTELLIGENT EQUIPMENT CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520050835.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2026-02-03
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

The existing automatic labeling machines have large outer casings that take up a lot of space, affecting the compactness and ease of operation of the equipment.

Method used

A mounting cover comprising a front door assembly and a chassis is designed. The front door assembly enables the display screen to be folded and flipped through a roller and rail structure, reducing space occupation. The display screen is mounted on the foldable front door panel, and the chassis is designed with multiple openings for easy operation.

Benefits of technology

The outer casing is small in size and occupies little space, improving ease of operation and making the display screen easy to view, thus adapting to the needs of different working conditions.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223872659U_ABST
    Figure CN223872659U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of mounting equipment, and particularly relates to a mounting outer cover and automatic mounting equipment, the mounting outer cover comprises a front door assembly and a cabinet, the front part of the cabinet is provided with a first opening, and the top of the cabinet is provided with a second opening; the front door assembly comprises a first driving part, a front door plate, a front top door plate, a first roller, a display screen mounted on the front door plate and a first guide rail provided with a first guide groove, and the first guide rail is mounted on the inner side wall of the case; the front top door plate is rotationally connected between the front door plate and the top of the case; the first roller is mounted on the front door plate and slidably inserted into the first guide groove; the first driving part is installed on the case, rotationally connected with the front top door plate and used for driving the front top door plate to rotate, and the first rolling wheel slides in the first guide groove so that the front door plate and the front top door plate can cover the first opening and the second opening correspondingly, or the front door plate can be folded at the top of the case to hit the first opening. The surface-mounted outer cover is small in size, small in occupied space and convenient to use.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of mounting equipment technology, and in particular relates to a mounting cover and an automatic mounting device. Background Technology

[0002] Flexible circuit boards (PCBs) are circuit boards made of flexible insulating substrates. They possess properties such as free bending, winding, and folding, and can be arranged arbitrarily according to spatial layout requirements. Using flexible circuit boards can significantly reduce the size of electronic products, meeting the development needs of electronic product lines towards high density, miniaturization, and high reliability. During the production process of flexible circuit boards, reinforcing sheets need to be attached to their surface. These reinforcing sheets increase the mechanical strength of the flexible circuit board, thereby facilitating the assembly of components on its surface.

[0003] With the continuous advancement of automation technology, more and more manufacturers are using automatic placement machines to complete the assembly of components on flexible circuit boards. The outer casing is the external housing of the automatic placement machine, and a display screen is usually installed on it. Workers can check the working status of the automatic placement machine through the display screen. In the existing technology, the display screen is usually installed on the side wall of the outer casing, which requires a large installation area for the display screen, increasing the volume of the outer casing and the space occupied. Summary of the Invention

[0004] This utility model provides a mounting cover and an automatic mounting device to solve the technical problems of large size and large space occupation of the cover of the automatic mounting machine in the prior art.

[0005] One embodiment of the present invention provides a mounting cover, including a front door assembly and a chassis with an internal space. The front of the chassis has a first opening, and the top of the chassis has a second opening that communicates with the first opening. Both the first opening and the second opening communicate with the internal space.

[0006] The front door assembly includes a first drive unit, a front door panel, a front top door panel, a first roller, a display screen mounted on the front door panel, and a first guide rail with a first guide groove. The first guide rail is mounted on the inner side wall of the chassis. One side of the front top door panel is rotatably connected to the top of the chassis, and the other side of the front top door panel is rotatably connected to the front door panel. The first roller is mounted on the front door panel and slidably inserted into the first guide groove.

[0007] The first driving component is mounted on the chassis and rotatably connected to the front top door panel, and is used to drive the front top door panel to rotate. The first roller slides in the first guide groove so that the front door panel and the front top door panel respectively cover the first opening and the second opening, or so that the front door panel is folded on the top of the chassis to open the first opening.

[0008] Optionally, the first guide rail includes a first vertical rail, a first arc-shaped rail, and a first horizontal rail connected in sequence. The first vertical rail is installed on the front inner wall of the chassis, the first arc-shaped rail is installed on the front corner inner wall of the chassis, and the first horizontal rail is installed on the top inner wall of the chassis.

[0009] The first guide groove includes a first vertical groove, a first arc groove, and a first horizontal groove that are connected in sequence. The first vertical groove is disposed on the first vertical rail, the first arc groove is disposed on the first arc rail, and the first horizontal groove is disposed on the first horizontal rail. The roller is slidably inserted into the first vertical groove, the first arc groove, and the first horizontal groove.

[0010] Optionally, the front door assembly also includes a front handle mounted on the front door panel.

[0011] Optionally, the mounting cover further includes an adapter assembly and a tray, the tray being rotatably mounted on the front outer side wall of the chassis via the adapter assembly, the tray being used to hold a keyboard and / or mouse.

[0012] Optionally, the adapter assembly includes a support arm, an adapter arm, and a support base; the support arm is mounted on the front outer side wall of the chassis, the opposite ends of the adapter arm are rotatably connected to the support arm and the support base respectively, and the tray is mounted on the support base.

[0013] Optionally, the support base includes a base body and a support plate rotatably mounted on the base body, wherein the base body is rotatably mounted on the end of the adapter arm away from the support arm;

[0014] The rotation direction of the adapter arm on the support arm is parallel to the rotation direction of the seat on the support arm, and the rotation direction of the seat on the support arm is perpendicular to the rotation direction of the support plate on the seat.

[0015] Optionally, the rear of the chassis is provided with a third opening, and the top of the chassis is provided with a fourth opening that communicates with the third opening. Both the third opening and the fourth opening communicate with the internal space.

[0016] The mounting cover also includes a rear door assembly. The front door assembly includes a second drive unit, a rear door panel, a rear top door panel, a second roller, and a second guide rail with a second guide groove. The second guide rail is mounted on the inner side wall of the chassis. One side of the rear top door panel is rotatably connected to the top of the chassis, and the other side of the rear top door panel is rotatably connected to the rear door panel. The second roller is mounted on the rear door panel and slidably inserted into the second guide groove.

[0017] The second drive unit is mounted on the chassis and rotatably connected to the rear top door panel, and is used to drive the rear top door panel to rotate. The second roller slides in the second guide groove so that the rear door panel and the rear top door panel respectively cover the third opening and the fourth opening, or so that the rear door panel is folded on the top of the chassis to open the third opening.

[0018] Optionally, the left and right side walls of the chassis are respectively provided with a left opening and a right opening, both of which communicate with the internal space.

[0019] Optionally, the mounting cover may also include support feet mounted on the bottom of the chassis.

[0020] Another embodiment of this utility model provides an automatic mounting device, including the mounting cover described above.

[0021] In this invention, when the front door assembly is in the closed state, the front door panel lies flat on the front of the chassis to cover the first opening, and the front top door panel lies flat on the top of the chassis to cover the second opening. The first driving member drives the front top door panel to flip upwards, causing the front top door panel to fold upwards. The first roller slides along the first guide groove until the front top door panel and the front door panel are upright and folded above the top of the chassis, and the first opening is in the open state. The first driving member then drives the front top door panel to rotate in the opposite direction, causing the first roller to slide along the first guide groove until the front door panel lies flat on the front of the chassis to cover the first opening, and the front top door panel lies flat on the top of the chassis to cover the second opening.

[0022] The display screen is mounted on the front door panel. When the front door panel is erected above the top of the chassis, the operator can easily view the display screen by looking up. In this invention, the front door assembly folds upwards towards the top of the chassis to open the first opening, and the display screen is mounted on the front door panel. This mounting cover is small in size, occupies little space, and is easy to use. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the structure of the mounting cover provided in one embodiment of the present invention;

[0025] Figure 2 This is a schematic diagram of the front door assembly and rear door assembly installed on the top of the chassis according to an embodiment of the present invention;

[0026] Figure 3 This is a schematic diagram of the structure of the first guide rail provided in one embodiment of the present invention;

[0027] Figure 4 This is a schematic diagram of the structure of a tray mounted on an adapter assembly according to an embodiment of the present invention.

[0028] The reference numerals in the accompanying drawings are as follows:

[0029] 1. Front door assembly; 11. First drive unit; 12. Front door panel; 13. Front top door panel; 14. First roller; 15. Display screen; 16. First guide rail; 161. First vertical rail; 162. First arc-shaped rail; 163. First horizontal rail; 17. First guide groove; 171. First vertical groove; 172. First arc-shaped groove; 173. First horizontal groove; 18. Front handle; 2. Chassis; 21. Internal space; 22. Left opening; 23. Right opening; 3. Adapter assembly; 31. Support arm; 32. Adapter arm; 33. Support base; 331. Base body; 332. Support plate; 4. Tray; 5. Rear door assembly; 51. Second drive unit; 52. Rear door panel; 53. Rear top door panel; 54. Second roller; 6. Support foot. Detailed Implementation

[0030] To make the technical problems solved, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0031] In the description of this utility model, it should be understood that the terms "longitudinal," "radial," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] like Figure 1 and Figure 2 As shown, one embodiment of the present invention provides a mounting cover, including a front door assembly 1 and a chassis 2 having an internal space 21. The front of the chassis 2 is provided with a first opening, and the top of the chassis 2 is provided with a second opening that communicates with the first opening. Both the first opening and the second opening communicate with the internal space 21. It can be understood that the second opening is located on the front side of the top of the chassis 2.

[0034] The front door assembly 1 includes a first drive component 11, a front door panel 12, a front top door panel 13, a first roller 14, a display screen 15 mounted on the front door panel 12, and a first guide rail 16 with a first guide groove 17. The first guide rail 16 is mounted on the inner side wall of the chassis 2. One side of the front top door panel 13 is rotatably connected to the top of the chassis 2, and the other side of the front top door panel 13 is rotatably connected to the front door panel 12. The first roller 14 is mounted on the front door panel 12 and slidably inserted into the first guide groove 17. It can be understood that the first drive component 11 includes, but is not limited to, a pneumatic cylinder, a hydraulic cylinder, a gas spring, etc. The front end of the front top door panel 13 can be rotatably connected to the front door panel 12 by a hinge, and the rear end of the front top door panel 13 can be rotatably connected to the top of the chassis 2 by a hinge.

[0035] The first drive unit 11 is mounted on the chassis 2 and rotatably connected to the front top door panel 13, for driving the front top door panel 13 to rotate. The first roller 14 slides in the first guide groove 17 so that the front door panel 12 and the front top door panel 13 respectively cover the first opening and the second opening, or so that the front door panel 12 is folded on the top of the chassis 2 to open the first opening.

[0036] Specifically, when the front door assembly 1 is in the closed state, the front door panel 12 lies flat on the front of the chassis 2 to cover the first opening, and the front top door panel 13 lies flat on the top of the chassis 2 to cover the second opening. The first driving member 11 drives the front top door panel 13 to flip upward, and the front top door panel 13 will drive the front door panel 12 to fold upward. The first roller 14 slides along the first guide groove 17 until the front top door panel 13 and the front door panel 12 are upright and folded above the top of the chassis 2, and the first opening is in the open state. The first driving member 11 drives the front top door panel 13 to rotate in the opposite direction, and the first roller 14 slides along the first guide groove 17 until the front door panel 12 lies flat on the front of the chassis 2 to cover the first opening, and the front top door panel 13 lies flat on the top of the chassis 2 to cover the second opening.

[0037] The display screen 15 is mounted on the front door panel 12. When the front door panel 12 is erected above the top of the chassis 2, the operator can easily view the display screen 15 by looking up. In this invention, the front door assembly 1 folds upwards towards the top of the chassis 2 to open the first opening, and the display screen 15 is mounted on the front door panel 12. This mounting cover is small in size, occupies little space, and is easy to use.

[0038] In one embodiment, such as Figure 3 As shown, the first guide rail 16 includes a first vertical rail 161, a first arc-shaped rail 162, and a first horizontal rail 163 connected in sequence. The first vertical rail 161 is installed on the front inner wall of the chassis 2, the first arc-shaped rail 162 is installed on the front corner inner wall of the chassis 2, and the first horizontal rail 163 is installed on the top inner wall of the chassis 2.

[0039] The first guide groove 17 includes a first vertical groove 171, a first arc-shaped groove 172, and a first horizontal groove 173 connected in sequence. The first vertical groove 171 is disposed on the first vertical rail 161, the first arc-shaped groove 172 is disposed on the first arc-shaped rail 162, and the first horizontal groove 173 is disposed on the first horizontal rail 163. The first roller 14 is slidably inserted into the first vertical groove 171, the first arc-shaped groove 172, and the first horizontal groove 173. It can be understood that the first vertical groove 171 and the first horizontal groove 173 are perpendicular, and the opposite ends of the first arc-shaped groove 172 are tangent to the first vertical groove 171 and the first horizontal groove 173, respectively.

[0040] Specifically, when the first roller 14 moves from the first horizontal groove 173 through the first arc-shaped groove 172 to the first vertical groove 171, the front door panel 12 lies flat on the front of the chassis 2 to cover the first opening, and the front top door panel 13 lies flat on the top of the chassis 2 to cover the second opening; when the first roller 14 moves from the first vertical groove 171 through the first arc-shaped groove 172 to the first horizontal groove 173, the front top door panel 13 and the front door panel 12 stand upright and fold over the top of the chassis 2, and the first opening is in the open state. In this embodiment, the opening and closing action of the front door assembly 1 is smooth.

[0041] In one embodiment, such as Figure 1 and Figure 2 As shown, the front door assembly 1 also includes a front handle 18 mounted on the front door panel 12. Understandably, both the display screen 15 and the front handle 18 are mounted on the outer wall of the front door panel 12. The user can move the front door panel 12 via the front handle 18 to open or close the first opening of the chassis 2.

[0042] In one embodiment, such as Figure 1 and Figure 4 As shown, the mounting cover also includes an adapter assembly 3 and a tray 4. The tray 4 is rotatably mounted on the front outer side wall of the chassis 2 via the adapter assembly 3. The tray 4 is used to place the keyboard and / or mouse. Understandably, placing the keyboard and / or mouse on the tray 4 located at the front of the chassis 2 facilitates user operation of the keyboard and / or mouse, further improving the ease of use of the mounting cover.

[0043] In one embodiment, such as Figure 1 and Figure 4 As shown, the adapter assembly 3 includes a support arm 31, an adapter arm 32, and a support base 33. The support arm 31 is mounted on the front outer side wall of the chassis 2. The opposite ends of the adapter arm 32 are rotatably connected to the support arm 31 and the support base 33, respectively. The tray 4 is mounted on the support base 33. Understandably, both the support base 33 and the adapter arm 32 can rotate vertically, thereby adjusting the direction of the tray 4 according to actual needs, further improving the convenience of the user operating the keyboard and / or mouse.

[0044] In one embodiment, such as Figure 4As shown, the support base 33 includes a base body 331 and a support plate 332 rotatably mounted on the base body 331. The base body 331 is rotatably mounted on the end of the adapter arm 32 away from the support arm 31. The rotation direction of the adapter arm 32 on the support arm 31 is parallel to the rotation direction of the base body 331 on the support arm 31, and the rotation direction of the base body 331 on the support arm 31 is perpendicular to the rotation direction of the support plate 332 on the base body 331. Understandably, the base body 331 can rotate vertically, and the support plate 332 can rotate horizontally, thereby allowing the support plate 332 to move the tray 4 into a folded or flat state. When the support plate 332 and the tray 4 are in the folded state, the keyboard and / or mouse are in a stowed state.

[0045] In one embodiment, such as Figure 1 As shown, the rear of the chassis 2 is provided with a third opening, and the top of the chassis 2 is provided with a fourth opening that communicates with the third opening. Both the third opening and the fourth opening communicate with the internal space 21. It can be understood that the fourth opening is located on the rear side of the top of the chassis 2.

[0046] The mounting cover also includes a rear door assembly 5. The front door assembly 1 includes a second drive component 51, a rear door panel 52, a rear top door panel 53, a second roller 54, and a second guide rail (not shown in the figure) with a second guide groove. The second guide rail is installed on the inner side wall of the chassis 2. One side of the rear top door panel 53 is rotatably connected to the top of the chassis 2, and the other side of the rear top door panel 53 is rotatably connected to the rear door panel 52. The second roller 54 is installed on the rear door panel 52 and slides into the second guide groove. Understandably, the second drive component 51 includes, but is not limited to, a pneumatic cylinder, a hydraulic cylinder, a gas spring, etc. The front end of the rear top door panel 53 can be rotatably connected to the rear door panel 52 by a hinge, and the rear end of the rear top door panel 53 can be rotatably connected to the top of the chassis 2 by a hinge.

[0047] The second drive unit 51 is mounted on the chassis 2 and rotatably connected to the rear top door panel 53, for driving the rear top door panel 53 to rotate. The second roller 54 slides in the second guide groove so that the rear door panel 52 and the rear top door panel 53 respectively cover the third opening and the fourth opening, or so that the rear door panel 52 is folded on the top of the chassis 2 to open the third opening.

[0048] Specifically, when the rear door assembly 5 is in the closed state, the rear door panel 52 lies flat on the front of the chassis 2 to cover the third opening, and the rear top door panel 53 lies flat on the top of the chassis 2 to cover the fourth opening. The second driving member 51 drives the rear top door panel 53 to flip upward, and the rear top door panel 53 will drive the rear door panel 52 to fold upward. The second roller 54 slides along the second guide groove until the rear top door panel 53 and the rear door panel 52 are upright and folded above the top of the chassis 2, and the third opening is in the open state. The second driving member 51 drives the rear top door panel 53 to rotate in the opposite direction, and the second roller 54 slides along the second guide groove until the rear door panel 52 lies flat on the front of the chassis 2 to cover the third opening, and the rear top door panel 53 lies flat on the top of the chassis 2 to cover the fourth opening.

[0049] The second guide rail has the same form as the first guide rail 16, so it will not be described again here.

[0050] In one embodiment, such as Figure 1 As shown, the left and right side walls of the chassis 2 are respectively provided with a left opening 22 and a right opening 23, both of which are connected to the internal space 21. Understandably, the left opening 22 is used to input circuit boards into the internal space 21, and the right opening 23 is used to output circuit boards from the internal space 21; the first opening and the second opening are used to input and output components to be mounted into the internal space 21.

[0051] In one embodiment, such as Figure 1 As shown, the mounting cover also includes support feet 6 installed at the bottom of the chassis 2. It is understood that multiple support feet 6 can be provided according to actual needs, and the chassis 2 is placed on the ground via the support feet 6.

[0052] Another embodiment of this utility model provides an automatic mounting device, including the mounting cover described above.

[0053] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model, and should all be included within the protection scope of this utility model.

Claims

1. A mounting cover, characterized in that, The device includes a front door assembly and a chassis with an internal space. The front of the chassis has a first opening, and the top of the chassis has a second opening that communicates with the first opening. Both the first opening and the second opening communicate with the internal space. The front door assembly includes a first drive unit, a front door panel, a front top door panel, a first roller, a display screen mounted on the front door panel, and a first guide rail with a first guide groove. The first guide rail is mounted on the inner side wall of the chassis. One side of the front top door panel is rotatably connected to the top of the chassis, and the other side of the front top door panel is rotatably connected to the front door panel. The first roller is mounted on the front door panel and slidably inserted into the first guide groove. The first driving component is mounted on the chassis and rotatably connected to the front top door panel, and is used to drive the front top door panel to rotate. The first roller slides in the first guide groove so that the front door panel and the front top door panel respectively cover the first opening and the second opening, or so that the front door panel is folded on the top of the chassis to open the first opening.

2. The mounting cover according to claim 1, characterized in that, The first guide rail includes a first vertical rail, a first arc-shaped rail, and a first horizontal rail connected in sequence. The first vertical rail is installed on the front inner wall of the chassis, the first arc-shaped rail is installed on the front corner inner wall of the chassis, and the first horizontal rail is installed on the top inner wall of the chassis. The first guide groove includes a first vertical groove, a first arc groove, and a first horizontal groove connected in sequence. The first vertical groove is disposed on the first vertical rail, the first arc groove is disposed on the first arc rail, and the first horizontal groove is disposed on the first horizontal rail. The first roller is slidably inserted into the first vertical groove, the first arc groove, and the first horizontal groove.

3. The mounting cover according to claim 1, characterized in that, The front door assembly also includes a front handle mounted on the front door panel.

4. The mounting cover according to claim 1, characterized in that, The mounting cover also includes an adapter assembly and a tray, the tray being rotatably mounted on the front outer side wall of the chassis via the adapter assembly, and the tray being used to hold a keyboard and / or mouse.

5. The mounting cover according to claim 4, characterized in that, The adapter assembly includes a support arm, an adapter arm, and a support base; the support arm is mounted on the front outer side wall of the chassis, and the opposite ends of the adapter arm are rotatably connected to the support arm and the support base, respectively, and the tray is mounted on the support base.

6. The mounting cover according to claim 5, characterized in that, The support base includes a base body and a support plate rotatably mounted on the base body, wherein the base body is rotatably mounted on the end of the adapter arm away from the support arm; The rotation direction of the adapter arm on the support arm is parallel to the rotation direction of the seat on the support arm, and the rotation direction of the seat on the support arm is perpendicular to the rotation direction of the support plate on the seat.

7. The mounting cover according to claim 1, characterized in that, The rear of the chassis has a third opening, and the top of the chassis has a fourth opening that connects to the third opening. Both the third opening and the fourth opening connect to the internal space. The mounting cover also includes a rear door assembly. The front door assembly includes a second drive unit, a rear door panel, a rear top door panel, a second roller, and a second guide rail with a second guide groove. The second guide rail is mounted on the inner side wall of the chassis. One side of the rear top door panel is rotatably connected to the top of the chassis, and the other side of the rear top door panel is rotatably connected to the rear door panel. The second roller is mounted on the rear door panel and slidably inserted into the second guide groove. The second drive unit is mounted on the chassis and rotatably connected to the rear top door panel, and is used to drive the rear top door panel to rotate. The second roller slides in the second guide groove so that the rear door panel and the rear top door panel respectively cover the third opening and the fourth opening, or so that the rear door panel is folded on the top of the chassis to open the third opening.

8. The mounting cover according to claim 1, characterized in that, The chassis has a left opening and a right opening on its left and right side walls, respectively, and both the left opening and the right opening are connected to the internal space.

9. The mounting cover according to claim 1, characterized in that, The mounting cover also includes support feet installed at the bottom of the chassis.

10. An automatic placement device, characterized in that, Includes the mounting cover as described in any one of claims 1 to 9.