Paint spraying equipment for top plate shell

By designing a spraying device for the top panel housing, including workbenches, limiting components, spraying components and drying components, the problem of clamping equipment in existing equipment hindering painting is solved, and work efficiency and paint quality is improved.

CN222606767UActive Publication Date: 2025-03-14JIANGSU ZHIYUAN PRECISION MASCH CO LTD
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Patent Information

Application Number
CN202420406313.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-04
Publication Date
2025-03-14
Estimated Expiration
2034-03-04

AI Technical Summary

Technical Problem

The existing top panel shell painting equipment will hinder the painting process due to the existence of clamping equipment, resulting in the need for secondary painting, which reduces work efficiency.

Method used

A spraying device including a workbench, a limiting assembly, a spraying assembly and a drying assembly is designed. The workbench is equipped with a mounting groove and a shield, and a limiting assembly is used to fix the shell to be painted, a spraying assembly is used to paint treatment, and a drying assembly is used to dry the paint surface.

Benefits of technology

Through the design of this equipment, it is possible to effectively avoid clamping equipment interference with the painting process, improve the painting efficiency, and improve the paint quality by drying the components.

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Abstract

The utility model discloses paint spraying equipment for a top plate shell, and relates to the technical field of paint spraying equipment, the paint spraying equipment for the top plate shell comprises a working table and a shell to be painted, a mounting groove is formed in the center of the top surface of the working table, a protective cover is arranged on the top surface of the working table, and the paint spraying equipment further comprises a limiting assembly, the limiting assembly is arranged in an inner cavity of the mounting groove, the top surface of the to-be-painted shell is connected with the two sides of the inner cavity of the to-be-painted shell, and the limiting assembly is used for limiting and fixing the to-be-painted shell; the paint spraying assembly is arranged on one side of the top surface of the protective cover, the output end of the paint spraying assembly is connected with one side of the top surface of an inner cavity of the protective cover, and the paint spraying assembly is used for conducting paint spraying treatment on the to-be-painted shell fixed by the limiting assembly; the top plate shell paint spraying and drying device can spray paint on a top plate shell and can also dry the top plate shell, so that the working efficiency can be improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of paint spraying equipment, in particular to a paint spraying equipment for a top plate shell. Background Art

[0002] The top plate shell refers to the covering located on the top of the product, which is usually used to protect the internal components of the product from the influence of the external environment. It also plays a role in beautifying and enhancing the appearance and texture of the product. The top plate shell is usually made of durable materials such as plastic, metal or composite materials. Spray painting equipment is a method of spraying paint on the surface of an object to make the color of the object more bright and beautiful and protect the object. Through a spray gun or an atomizer, with the help of pressure or centrifugal force, the paint is dispersed into uniform and fine droplets and applied to the surface of the material. Spray painting is to cover the surface of the product with paint. Spray painting can achieve the effects of rust prevention, corrosion prevention and beauty.

[0003] Although the existing top plate outer shell painting equipment can paint the top plate outer shell, the clamping device will hinder the painting of the top plate outer shell, which may easily lead to secondary painting, thereby reducing work efficiency. Therefore, we propose a painting equipment for the top plate outer shell to solve the above-mentioned problems. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a painting device for a top plate outer shell, which solves the problem that a clamping device may hinder the painting of the top plate outer shell.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a painting device for a top plate shell, comprising a workbench and a shell to be painted, a mounting groove is provided at the center of the top surface of the workbench, a shield is provided on the top surface of the workbench, and further comprising:

[0006] A limiting component, wherein the limiting component is arranged in the inner cavity of the installation groove, the top surface of the shell to be painted is connected to two sides of the inner cavity of the shell to be painted, and the limiting component is used to limit and fix the shell to be painted;

[0007] A paint spraying assembly, wherein the paint spraying assembly is arranged on one side of the top surface of the shield, the output end of the paint spraying assembly is connected to one side of the top surface of the inner cavity of the shield, and the paint spraying assembly is used to spray paint the housing to be painted fixed by the limiting assembly; and

[0008] A drying component is arranged on one side of the paint spraying component, and an output end of the drying component is connected to the other side of the top surface of the inner cavity of the shield. The drying component is used to dry the shell that has been sprayed with paint.

[0009] Preferably, the limit assembly comprises an electric linear slide, the electric linear slide is arranged in the inner cavity of the installation slot, a moving plate is arranged at the output end of the electric linear slide, and a column is arranged at the center of the top surface of the moving plate;

[0010] Electric telescopic rods are arranged at upper positions on both sides of the column, and push plates are arranged at output ends of the two electric telescopic rods.

[0011] Preferably, one side surface of the two push plates is provided with a protrusion, and the protrusion is used to prevent the push plates from scratching the shell to be painted.

[0012] Preferably, the paint spraying assembly comprises a paint storage box, the paint storage box is arranged on one side of the top surface of the shield, a water pump is arranged at the output end of the paint storage box, a delivery pipe is arranged at the output end of the water pump, and one end of the delivery pipe passes through the top surface of the shield;

[0013] A liquid guide tube is provided at one end of the delivery tube, and connecting columns are provided on both sides of the top surface of the liquid guide tube, and the top surfaces of the two connecting columns are connected to one side of the top surface of the inner cavity of the shield;

[0014] The bottom surface of the liquid guide tube is inlaid with a plurality of spray heads, and the plurality of spray heads are used for spraying paint on the shell to be sprayed.

[0015] Preferably, a protective cover is sleeved on the outer side of each of the nozzles, the top of the protective cover is connected to the bottom surface of the liquid guiding tube, and the protective cover is used to protect the nozzle.

[0016] Preferably, the drying component comprises a hot air blower, which is arranged on one side of the paint storage box, the bottom surface of the hot air blower is connected to the top surface of the shield, and the output end of the hot air blower is connected to an air supply pipe;

[0017] The output end of the gas delivery pipe is connected with a dispersion pipe, the top surface of the dispersion pipe is connected with the top surface of the inner cavity of the shield, and the bottom surface of the dispersion pipe is provided with a plurality of air outlet covers.

[0018] Preferably, it also includes: a touch all-in-one machine, which is arranged on a surface of one side of the shield and is used to control the operation of the device. Beneficial Effects

[0019] The utility model provides a painting device for a top plate shell. Compared with the prior art, it has the following beneficial effects:

[0020] The painting equipment for the top plate shell, when it is necessary to paint the top plate shell, firstly, the workbench is placed at a preset position, and then the shield is installed on the top surface of the workbench, so that the workbench can provide support for the shield, and since a mounting groove is provided at the center of the top surface of the workbench, the limit assembly can be fixedly connected to the inner cavity of the mounting groove, so that the limit assembly can limit and fix the shell to be painted, so as to prevent the limit assembly from interfering with the painting of the shell to be painted;

[0021] Since a paint spraying assembly is fixedly connected to one side of the top surface of the shield, and the output end of the paint spraying assembly is connected to one side of the top surface of the inner cavity of the shield, the output end of the paint spraying assembly can spray paint the outer shell to be painted which is fixed by the limiting assembly, thereby improving work efficiency. Since a drying assembly is fixedly connected to one side of the paint spraying assembly, and the output end of the drying assembly is connected to the other side of the top surface of the inner cavity of the shield, the output end of the drying assembly can dry the paint on the top plate outer shell, thereby improving painting work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0023] Figure 2 It is a schematic diagram of the overall side structure of the utility model.

[0024] Figure 3 This is a schematic diagram of the structure of the limit assembly of the utility model.

[0025] Figure 4 This is a schematic diagram of the structure of the paint spraying assembly of the utility model.

[0026] Figure 5 This is a schematic diagram of the structure of the drying component of the utility model.

[0027] In the figure: 1. workbench; 2. mounting slot; 3. protective cover; 4. limit assembly; 41. electric linear slide; 42. moving plate; 43. column; 44. electric telescopic rod; 45. push plate; 46. protrusion; 5. shell to be painted; 6. paint spraying assembly; 61. paint storage box; 62. water pump; 63. delivery pipe; 64. liquid guide pipe; 65. connecting column; 66. nozzle; 67. protective cover; 7. drying assembly; 71. hot air blower; 72. air supply pipe; 73. dispersion pipe; 74. air outlet hood; 8. touch all-in-one machine. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-5 The utility model provides a technical solution: a painting device for a top plate shell, comprising a workbench 1 and a shell 5 to be painted, a mounting groove 2 is provided at the center of the top surface of the workbench 1, a shield 3 is provided on the top surface of the workbench 1, and further comprising: a limiting component 4, the limiting component 4 is arranged in the inner cavity of the mounting groove 2, the top surface of the shell 5 to be painted is connected to both sides of the inner cavity of the shell 5 to be painted, and the limiting component 4 is used to limit and fix the shell 5 to be painted; a painting component 6, the painting component 6 is arranged on one side of the top surface of the shield 3, the output end of the painting component 6 is connected to one side of the top surface of the inner cavity of the shield 3, and the painting component 6 is used to paint the shell 5 to be painted fixed by the limiting component 4; and a drying component 7, the drying component 7 is arranged on one side of the painting component 6, the output end of the drying component 7 is connected to the other side of the top surface of the inner cavity of the shield 3, and the drying component 7 is used to dry the shell that has been painted;

[0030] When it is necessary to paint the top plate shell, first place the workbench 1 at a preset position, and then install the shield 3 on the top surface of the workbench 1, so that the workbench 1 can provide support for the shield 3. Since a mounting groove 2 is provided in the center of the top surface of the workbench 1, the limit component 4 can be fixedly connected to the inner cavity of the mounting groove 2, so that the limit component 4 can limit and fix the shell 5 to be painted, so as to prevent the limit component 4 from interfering with the painting of the shell 5 to be painted. Since a paint spraying component 6 is fixedly connected to one side of the top surface of the shield 3, and the output end of the paint spraying component 6 is connected to one side of the top surface of the inner cavity of the shield 3, the output end of the paint spraying component 6 can paint the shell 5 to be painted which is limited and fixed by the limit component 4, thereby improving the work efficiency. Since a drying component 7 is fixedly connected to one side of the paint spraying component 6, and the output end of the drying component 7 is connected to the other side of the top surface of the inner cavity of the shield 3, the output end of the drying component 7 can dry the paint on the top plate shell, thereby improving the painting work efficiency.

[0031] See also Figure 1 , Figure 2 , Figure 3The limit assembly 4 includes an electric linear slide 41, which is arranged in the inner cavity of the installation groove 2. A movable plate 42 is arranged at the output end of the electric linear slide 41, and a column 43 is arranged at the center of the top surface of the movable plate 42; electric telescopic rods 44 are arranged at the upper position of the two sides of the column 43, and push plates 45 are arranged at the output ends of the two electric telescopic rods 44. A protrusion 46 is arranged on one side of the two push plates 45, and the protrusion 46 is used to prevent the push plates 45 from scratching the shell 5 to be painted;

[0032] The electric linear slide 41 in the limit assembly 4 can be fixedly connected to the inner cavity of the installation groove 2, and can also provide an installation foundation for the movable plate 42. Since a column 43 is provided at the center position of the top surface of the movable plate 42, the output end of the electric linear slide 41 can drive the movable plate 42 to move forward and backward, and then the movable plate 42 can drive the column 43 to move forward and backward. Since the upper positions of the two side surfaces of the column 43 are fixedly connected with electric telescopic rods 44, and the output ends of the electric telescopic rods 44 are fixedly connected with push plates 45, the output ends of the electric telescopic rods 44 can drive the push plates 45 to move, and then the push plates 45 can be limited and fixed to the shell 5 to be painted. Since the two push plates 45 are fixedly connected with protrusions 46 on one side surface, the push plates 45 can be prevented from scratching the shell 5 to be painted, thereby improving the yield rate.

[0033] See also Figure 1 , Figure 2 , Figure 4 The paint spraying assembly 6 includes a paint storage box 61, which is arranged on one side of the top surface of the shield 3. A water pump 62 is arranged at the output end of the paint storage box 61, and a delivery pipe 63 is arranged at the output end of the water pump 62. One end of the delivery pipe 63 passes through the top surface of the shield 3; a liquid guide tube 64 is arranged at one end of the delivery pipe 63, and connecting columns 65 are arranged on both sides of the top surface of the liquid guide tube 64. The top surfaces of the two connecting columns 65 are connected to one side of the top surface of the inner cavity of the shield 3; a plurality of nozzles 66 are inlaid and connected on the bottom surface of the liquid guide tube 64, and the plurality of nozzles 66 are used to spray paint on the shell 5 to be sprayed with paint, and a protective cover 67 is sleeved on the outside of each nozzle 66, and the top of the protective cover 67 is connected to the bottom surface of the liquid guide tube 64, and the protective cover 67 is used to protect the nozzle 66;

[0034] The paint storage box 61 in the paint spraying assembly 6 can be fixedly connected to one side of the top surface of the protective cover 3, and can also provide an installation space for the water pump 62. Since the output end of the water pump 62 is fixedly connected to the delivery pipe 63, and one end of the delivery pipe 63 is fixedly connected to the liquid guide pipe 64, and at the same time, a plurality of nozzles 66 are embedded and connected to the bottom surface of the liquid guide pipe 64, the water pump 62 can extract the paint in the inner cavity of the paint storage box 61 and transport it to the inner cavity of the delivery pipe 63, and then the paint in the inner cavity of the delivery pipe 63 can be output to the inner cavity of the liquid guide pipe 64, so that the plurality of nozzles 66 can spray the paint in the inner cavity of the liquid guide pipe 64 to realize the painting treatment of the top plate shell. Connecting columns 65 are provided on both sides of the surface of the part, and the top surfaces of the two connecting columns 65 are connected to one side of the top surface of the inner cavity of the shield 3, so that the liquid guide tube 64 can be connected to one side of the top surface of the inner cavity of the shield 3 through the two connecting columns 65, and then the liquid guide tube 64 can be fixed, so as to improve the stability of the liquid guide tube 64. Since a protective cover 67 is sleeved on the outside of each nozzle 66, and the top of the protective cover 67 is connected to the bottom surface of the liquid guide tube 64, the protective cover 67 can be fixedly connected to the bottom surface of the liquid guide tube 64, and then the protective cover 67 can be used to protect the nozzle 66, so as to improve the service life of the nozzle 66.

[0035] See also Figure 1 , Figure 2 , Figure 5 The drying assembly 7 includes a hot air blower 71, which is arranged on one side of the paint storage box 61, the bottom surface of the hot air blower 71 is connected to the top surface of the shield 3, and the output end of the hot air blower 71 is connected to an air delivery pipe 72; the output end of the air delivery pipe 72 is connected to a dispersion pipe 73, the top surface of the dispersion pipe 73 is connected to the top surface of the inner cavity of the shield 3, and the bottom surface of the dispersion pipe 73 is provided with a plurality of air outlet covers 74;

[0036] The hot air blower 71 in the drying assembly 7 can be fixedly connected to one side of the paint storage box 61 and can also provide an installation basis for the air supply pipe 72. Since the output end of the air supply pipe 72 is connected to the dispersion pipe 73, and the top surface of the dispersion pipe 73 is connected to the top surface of the inner cavity of the protective cover 3, and at the same time, the bottom surface of the dispersion pipe 73 is fixedly connected to a plurality of air outlet hoods 74, the heat generated by the hot air blower 71 can be input into the inner cavity of the dispersion pipe 73 through the air supply pipe 72, and then the dispersion pipe 73 can input the heat to the plurality of air outlet hoods 74, so that the plurality of air outlet hoods 74 can dry the paint on the top plate outer shell.

[0037] See also Figure 1 , and also includes: a touch all-in-one machine 8, which is arranged on one side surface of the protective cover 3, and the touch all-in-one machine 8 is used to control the operation of the equipment; through the touch all-in-one machine 8, it can be fixedly connected to the one side surface of the protective cover 3, and can also control the operation of the electric linear slide 41, the electric telescopic rod 44, the water pump 62 and the hot air blower 71, so as to improve the convenience.

[0038] During operation, when it is necessary to spray paint the top plate shell, first place the workbench 1 in a preset position, and then install the shield 3 on the top surface of the workbench 1, so that the workbench 1 can provide support for the shield 3. Since a mounting groove 2 is provided in the center of the top surface of the workbench 1, the limit component 4 can be fixedly connected to the inner cavity of the mounting groove 2, so that the limit component 4 can limit and fix the shell 5 to be painted, so as to prevent the limit component 4 from interfering with the painting of the shell 5 to be painted. Since a paint spraying component 6 is fixedly connected to one side of the top surface of the shield 3, and the output end of the paint spraying component 6 is connected to one side of the top surface of the inner cavity of the shield 3, the output end of the paint spraying component 6 can spray paint the shell 5 to be painted which is limited and fixed by the limit component 4, thereby improving the work efficiency. Since a drying component 7 is fixedly connected to one side of the paint spraying component 6, and the output end of the drying component 7 is connected to the other side of the top surface of the inner cavity of the shield 3, the output end of the drying component 7 can dry the paint on the top plate shell, thereby improving the painting work efficiency.

[0039] The electric linear slide 41 in the limit assembly 4 can be fixedly connected to the inner cavity of the installation groove 2, and can also provide an installation foundation for the movable plate 42. Since a column 43 is provided at the center position of the top surface of the movable plate 42, the output end of the electric linear slide 41 can drive the movable plate 42 to move forward and backward, and then the movable plate 42 can drive the column 43 to move forward and backward. Since the upper positions of the two side surfaces of the column 43 are fixedly connected with electric telescopic rods 44, and the output ends of the electric telescopic rods 44 are fixedly connected with push plates 45, the output ends of the electric telescopic rods 44 can drive the push plates 45 to move, and then the push plates 45 can be limited and fixed to the shell 5 to be painted. Since the two push plates 45 are fixedly connected with protrusions 46 on one side surface, the push plates 45 can be prevented from scratching the shell 5 to be painted, thereby improving the yield rate.

[0040] The paint storage box 61 in the paint spraying assembly 6 can be fixedly connected to one side of the top surface of the protective cover 3, and can also provide an installation space for the water pump 62. Since the output end of the water pump 62 is fixedly connected to the delivery pipe 63, and one end of the delivery pipe 63 is fixedly connected to the liquid guide pipe 64, and at the same time, a plurality of nozzles 66 are embedded and connected to the bottom surface of the liquid guide pipe 64, the water pump 62 can extract the paint in the inner cavity of the paint storage box 61 and transport it to the inner cavity of the delivery pipe 63, and then the paint in the inner cavity of the delivery pipe 63 can be output to the inner cavity of the liquid guide pipe 64, so that the plurality of nozzles 66 can spray the paint in the inner cavity of the liquid guide pipe 64 to realize the painting treatment of the top plate shell. Connecting columns 65 are provided on both sides of the surface of the part, and the top surfaces of the two connecting columns 65 are connected to one side of the top surface of the inner cavity of the shield 3, so that the liquid guide tube 64 can be connected to one side of the top surface of the inner cavity of the shield 3 through the two connecting columns 65, and then the liquid guide tube 64 can be fixed, so as to improve the stability of the liquid guide tube 64. Since a protective cover 67 is sleeved on the outside of each nozzle 66, and the top of the protective cover 67 is connected to the bottom surface of the liquid guide tube 64, the protective cover 67 can be fixedly connected to the bottom surface of the liquid guide tube 64, and then the protective cover 67 can be used to protect the nozzle 66, so as to improve the service life of the nozzle 66.

[0041] The hot air blower 71 in the drying assembly 7 can be fixedly connected to one side of the paint storage box 61 and can also provide an installation basis for the air supply pipe 72. Since the output end of the air supply pipe 72 is connected to the dispersion pipe 73, and the top surface of the dispersion pipe 73 is connected to the top surface of the inner cavity of the protective cover 3, and at the same time, the bottom surface of the dispersion pipe 73 is fixedly connected to multiple air outlet hoods 74, the heat generated by the hot air blower 71 can be input into the inner cavity of the dispersion pipe 73 through the air supply pipe 72, and then the dispersion pipe 73 can input the heat to the multiple air outlet hoods 74, so that the multiple air outlet hoods 74 can dry the paint on the top plate outer shell; through the touch all-in-one machine 8, it can be fixedly connected to the surface of one side of the protective cover 3, and can also control the operation of the electric linear slide 41, the electric telescopic rod 44, the water pump 62 and the hot air blower 71, so as to improve the convenience.

[0042] In summary, the device can not only spray paint on the top plate shell, but also dry it, thereby improving work efficiency.

[0043] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A painting device for a top plate shell, comprising a workbench (1) and a shell to be painted (5), wherein a mounting groove (2) is provided at the center of the top surface of the workbench (1), and a protective cover (3) is provided on the top surface of the workbench (1), characterized in that: Also includes: A limiting component (4), the limiting component (4) being arranged in the inner cavity of the installation groove (2), the top surface of the shell to be painted (5) being connected to two sides of the inner cavity of the shell to be painted (5), and the limiting component (4) being used to limit and fix the shell to be painted (5); A paint spraying assembly (6), the paint spraying assembly (6) being arranged on one side of the top surface of the shield (3), the output end of the paint spraying assembly (6) being connected to one side of the top surface of the inner cavity of the shield (3), the paint spraying assembly (6) being used to spray paint the housing (5) to be painted fixed by the limiting assembly (4); as well as A drying component (7), the drying component (7) being arranged on one side of the paint spraying component (6), the output end of the drying component (7) being connected to the other side of the top surface of the inner cavity of the protective cover (3), and the drying component (7) being used to dry the shell after the paint has been sprayed.

2. A painting device for a top plate shell according to claim 1, characterized in that: The limiting assembly (4) comprises an electric linear slide (41), the electric linear slide (41) being arranged in the inner cavity of the mounting groove (2), a moving plate (42) being arranged at the output end of the electric linear slide (41), and a column (43) being arranged at the center position of the top surface of the moving plate (42); Electric telescopic rods (44) are provided at upper positions on both side surfaces of the upright column (43), and push plates (45) are provided at the output ends of the two electric telescopic rods (44).

3. A painting device for a top plate shell according to claim 2, characterized in that: One side surface of the two push plates (45) is provided with a protrusion (46), and the protrusion (46) is used to prevent the push plates (45) from scratching the housing (5) to be painted.

4. A painting device for a top plate shell according to claim 1, characterized in that: The paint spraying assembly (6) comprises a paint storage box (61), the paint storage box (61) being arranged on one side of the top surface of the protective cover (3), a water pump (62) being arranged at the output end of the paint storage box (61), a delivery pipe (63) being arranged at the output end of the water pump (62), and one end of the delivery pipe (63) passing through the top surface of the protective cover (3); A liquid guide tube (64) is provided at one end of the delivery tube (63), and connecting columns (65) are provided on both sides of the top surface of the liquid guide tube (64), and the top surfaces of the two connecting columns (65) are connected to one side of the top surface of the inner cavity of the shield (3); A plurality of spray heads (66) are embedded and connected to the bottom surface of the liquid guide tube (64), and the plurality of spray heads (66) are used to spray paint on the shell (5) to be sprayed with paint.

5. A painting device for a top plate shell according to claim 4, characterized in that: A protective cover (67) is sleeved on the outside of each of the spray heads (66), the top end of the protective cover (67) is connected to the bottom surface of the liquid guiding tube (64), and the protective cover (67) is used to protect the spray heads (66).

6. A painting device for a top plate shell according to claim 4, characterized in that: The drying component (7) comprises a hot air blower (71), the hot air blower (71) being arranged on one side of the paint storage box (61), the bottom surface of the hot air blower (71) being connected to the top surface of the protective cover (3), and the output end of the hot air blower (71) being connected to an air supply pipe (72); The output end of the gas delivery pipe (72) is connected to a dispersion pipe (73), the top surface of the dispersion pipe (73) is connected to the top surface of the inner cavity of the protective cover (3), and the bottom surface of the dispersion pipe (73) is provided with a plurality of air outlet covers (74).

7. A painting device for a top plate shell according to claim 1, characterized in that: Also includes: A touch all-in-one machine (8), the touch all-in-one machine (8) being arranged on a surface of one side of the protective cover (3), the touch all-in-one machine (8) being used to control the operation of the device.