Photoelectric switch cleaning device for cigarette factory

Abstract

The utility model discloses a photoelectric switch cleaning device for a cigarette factory. The photoelectric switch cleaning device comprises a fixing assembly and a purging assembly, the first end of the fixing assembly is used for fixing the photoelectric switch, and the second end of the fixing assembly is connected with the purging assembly; the purging assembly comprises a connecting block and a high-pressure air pipe, the connecting block is connected with the fixing assembly and located above the photoelectric switch, an air guide hole is formed in the connecting block, the first end of the air guide hole communicates with the first end of the high-pressure air pipe, and the second end of the air guide hole penetrates through the connecting block and faces a lens of the photoelectric switch; the second end of the high-pressure air pipe communicates with an external high-pressure air source. According to the utility model, the second end of the air guide hole faces the lens of the photoelectric switch, and high-pressure airflow is introduced to purge the surface of the lens of the photoelectric switch, so that the lens of the photoelectric switch is kept clean, the effectiveness and reliability of photoelectric detection are ensured, the photoelectric switch does not need to be maintained by shutdown, the equipment efficiency and the production efficiency are improved, and the production cost is reduced. And the labor intensity of cleaning personnel is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of cigarette machinery and equipment, and more particularly to a photoelectric switch cleaning device used in a cigarette factory. Background Art

[0002] Photoelectric switches are commonly used industrial detection devices, consisting of a housing, a light source, a lens, and internal circuitry. Common photoelectric switches come in either through-beam or reflective types. In the case of a reflective type, the internal light source emits light, which is focused by a lens and then emitted out of the switch. When there's no object in front of the switch, the light isn't reflected back to the switch. However, when an object passes through the light path, some of the light is reflected back to the switch. The reflected light is detected by the switch's internal photosensor and converted into an electrical signal, thereby detecting the presence of an object. The lens of a photoelectric switch plays a crucial role in this detection process. Both light transmission and reception must pass through the lens. Dust on the lens surface can affect the intensity of both transmitted and received light, significantly impacting the detection performance of the switch. Photoelectric switches are often placed inside a machine's protective cover. Opening the cover while the machine is running will cause the machine to shut down, requiring the machine to be shut down before the cover can be opened to clean the switch.

[0003] Currently, photoelectric switches lack automatic cleaning devices, requiring manual cleaning of the switch surface during maintenance. However, the effectiveness and sensitivity of photoelectric switch detection are closely related to the cleanliness of the lens surface. Industrial equipment often operates 24 / 7, so relying solely on maintenance cleaning is insufficient. Any detection issues during operation require manual cleaning, impacting both equipment efficiency and production efficiency.

[0004] Therefore, how to provide a photoelectric switch cleaning device for cigarette factories has become a technical problem that urgently needs to be solved in this field. Utility Model Content

[0005] One purpose of the utility model is to provide a new technical solution for a photoelectric switch cleaning device used in a cigarette factory.

[0006] According to a first aspect of the present invention, a photoelectric switch cleaning device for a cigarette factory is provided, comprising: a fixing assembly and a purge assembly; a first end of the fixing assembly is used to fix the photoelectric switch, and a second end of the fixing assembly is connected to the purge assembly;

[0007] The purge assembly includes a connecting block and a high-pressure air pipe. The connecting block is connected to the fixed assembly. The connecting block is located above the photoelectric switch. An air guide hole is provided inside the connecting block. The first end of the air guide hole is connected to the first end of the high-pressure air pipe. The second end of the air guide hole passes through the connecting block and faces the lens of the photoelectric switch. The second end of the high-pressure air pipe is connected to an external high-pressure air source.

[0008] Optionally, the connecting block includes a connecting section and a blowing section, the first end of the connecting section is connected to the blowing section, and the second end of the connecting section is connected to the first end of the high-pressure air pipe; the positive projection of the photoelectric switch on the connecting section falls on the end face of the connecting section, the end face of the blowing section is arranged perpendicular to the lens of the photoelectric switch, and the air guide hole passes through the end face of the connecting section.

[0009] Optionally, the vertical cross-section of the connecting section is a rectangular structure, and the vertical cross-section of the blowing section is a fan-shaped structure.

[0010] Optionally, the end surface of the blowing section has four air outlets, the four air outlets are all connected to the air guide holes, and the air outlets are rectangular structures.

[0011] Optionally, the purge assembly further includes a throttle valve, which is communicated with the connecting block and the first end of the high-pressure air pipe respectively.

[0012] Optionally, the fixing assembly includes a first fixing bracket and a second fixing bracket, the first fixing bracket is connected to the photoelectric switch, the second fixing bracket is connected to the connecting block, and the first fixing bracket is connected to the second fixing bracket.

[0013] Optionally, the second fixing bracket has a waist-shaped hole and a first mounting hole, and the first fixing bracket has a plurality of second mounting holes;

[0014] The fixing assembly further includes a first fixing bolt and a second fixing bolt, wherein the first fixing bolt passes through the waist-shaped hole and the second mounting hole, and the second fixing bolt passes through the first mounting hole and the second mounting hole.

[0015] The beneficial effects of the present invention are:

[0016] The utility model connects a connecting block to a fixed assembly, the connecting block being positioned above a photoelectric switch. An air guide hole is defined within the connecting block, a first end of the air guide hole being connected to a first end of a high-pressure air pipe, a second end of the air guide hole penetrating the connecting block and directed toward the lens of the photoelectric switch; and a second end of the high-pressure air pipe being connected to an external high-pressure air source. By directing the second end of the air guide hole toward the lens of the photoelectric switch, the utility model directs a high-pressure airflow to sweep the surface of the lens of the photoelectric switch, thereby keeping the lens of the photoelectric switch clean. This ensures the effectiveness and reliability of photoelectric detection, eliminates the need to shut down the photoelectric switch for maintenance, improves equipment efficiency and production efficiency, and reduces the labor intensity of cleaning personnel.

[0017] Other features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.

[0019] Figure 1 This is a structural diagram of the photoelectric switch cleaning device used in cigarette factories according to the present invention.

[0020] The markings in the figure are as follows: 1. Fixing assembly; 11. First fixing bracket; 12. Second fixing bracket; 13. Waist-shaped hole; 14. First mounting hole; 15. First fixing bolt; 16. Second fixing bolt; 2. Purge assembly; 21. Connecting block; 211. Connecting section; 212. Blowing section; 22. High-pressure air pipe; 23. Air outlet; 24. Throttle valve; 3. Photoelectric switch; 4. Lens. DETAILED DESCRIPTION

[0021] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention.

[0022] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present invention, its application, or uses.

[0023] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.

[0024] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0025] like Figure 1 As shown, an embodiment of the present invention provides a photoelectric switch cleaning device for a cigarette factory, comprising: a fixing component 1 and a purge component 2; the first end of the fixing component 1 is used to fix the photoelectric switch 3, and the second end of the fixing component 1 is connected to the purge component 2.

[0026] The purge assembly 2 includes a connecting block 21 and a high-pressure air pipe 22. The connecting block 21 is connected to the fixing assembly 1 and is located above the photoelectric switch 3. An air guide hole (not shown in the figure) is provided inside the connecting block 21. The first end of the air guide hole is connected to the first end of the high-pressure air pipe 22, and the second end of the air guide hole passes through the connecting block 21 and faces the lens 4 of the photoelectric switch 3; the second end of the high-pressure air pipe 22 is connected to an external high-pressure air source.

[0027] Specifically, the connecting block 21 is made of aluminum alloy, which is light, strong, small in size, and does not affect the installation of the photoelectric switch 3 .

[0028] The connecting block 21 is in contact with the photoelectric switch 3, and the length of the connecting block 21 is greater than the length of the power-off switch, so that at least a portion of the connecting block 21 is located outside the photoelectric switch 3, so that the high-pressure air flow introduced into the air guide hole by the high-pressure air pipe 22 can purge the surface of the lens 4 of the photoelectric switch 3, thereby keeping the lens 4 of the photoelectric switch 3 clean.

[0029] The photoelectric switch 3 and the connecting block 21 are fixed respectively by the fixing assembly 1 so that the air guide hole of the connecting block 21 always faces the lens 4 of the photoelectric switch 3 .

[0030] The present invention connects a connecting block 21 to a fixed assembly 1. The connecting block 21 is positioned above the photoelectric switch 3. An air guide hole is defined within the connecting block 21. The first end of the air guide hole communicates with the first end of a high-pressure air pipe 22. The second end of the air guide hole extends through the connecting block 21 and faces the lens 4 of the photoelectric switch 3. The second end of the high-pressure air pipe 22 communicates with an external high-pressure air source. By directing the second end of the air guide hole toward the lens 4 of the photoelectric switch 3, a high-pressure airflow is introduced to sweep the surface of the lens 4 of the photoelectric switch 3, thereby keeping the lens 4 of the photoelectric switch 3 clean. This ensures the effectiveness and reliability of photoelectric detection, eliminates the need to shut down the photoelectric switch 3 for maintenance, improves equipment efficiency and production efficiency, and reduces the labor intensity of cleaning personnel.

[0031] In one embodiment of the photoelectric switch cleaning device for a cigarette factory of the present invention, the connecting block 21 includes a connecting section 211 and a blowing section 212, the first end of the connecting section 211 is connected to the blowing section 212, and the second end of the connecting section 211 is connected to the first end of the high-pressure air pipe 22; the positive projection of the photoelectric switch 3 on the connecting section 211 falls on the end face of the connecting section 211, the end face of the blowing section 212 is arranged perpendicular to the lens 4 of the photoelectric switch 3, and the air guide hole passes through the end face of the connecting section 211.

[0032] The utility model connects the first end of the connecting section 211 with the blowing section 212, and the second end of the connecting section 211 is connected to the first end of the high-pressure air pipe 22, so that the orthographic projection of the photoelectric switch 3 on the connecting section 211 falls on the end surface of the connecting section 211. The end surface of the blowing section 212 is perpendicularly arranged to the lens 4 of the photoelectric switch 3, and the air guide hole passes through the end surface of the connecting section 211, thereby ensuring that the high-pressure airflow derived from the blowing section 212 can continuously act on the lens 4 of the photoelectric switch 3, thereby completely removing dust and other pollutants on the surface of the lens 4 of the photoelectric switch 3.

[0033] Furthermore, the vertical cross-section of the connecting section 211 is a rectangular structure, and the vertical cross-section of the blowing section 212 is a fan-shaped structure.

[0034] Specifically, the air guide holes respectively penetrate both ends of the connecting section 211 and both ends of the blowing section 212. Since the vertical cross-section of the blowing section 212 is a fan-shaped structure, that is, the high-pressure airflow changes direction when passing through the blowing section 212 and the fan-shaped curved surface. At this time, the pressure inside the air guide holes increases, and the flow rate of the high-pressure airflow guided through the blowing section 212 is further increased, thereby improving the dust cleaning effect on the surface of the lens 4 of the photoelectric switch 3 and effectively reducing production energy consumption.

[0035] In one embodiment of the photoelectric switch cleaning device for a cigarette factory of the present invention, the end surface of the blowing section 212 has four air outlets 23 , all of which are connected to the air guide holes, and the air outlets 23 are rectangular structures.

[0036] Specifically, the four air outlets 23 are evenly spaced apart along the width direction of the blowing section 212 , and the length of the air outlets 23 is slightly smaller than the length of the blowing section 212 .

[0037] The present invention provides four air outlets 23 on the end surface of the blowing section 212, and connects all four air outlets 23 to the air guide holes. These air outlets 23 can clean the surface of the lens 4 of the photoelectric switch 3 in all directions, keeping the lens 4 clean. Furthermore, the rectangular shape of the air outlets 23 facilitates the formation of an air curtain of a certain thickness on the surface of the lens 4, effectively preventing dust.

[0038] In one embodiment of the photoelectric switch cleaning device for a cigarette factory of the present invention, the purge assembly 2 further includes a throttle valve 24 , which is communicated with the connecting block 21 and the first end of the high-pressure air pipe 22 , respectively.

[0039] It should be noted that the size of the high-pressure air flow can be adjusted according to specific needs by adjusting the throttle valve 24. When it is not necessary to clean the lens 4 of the photoelectric switch 3, the throttle valve 24 can be directly closed.

[0040] In one embodiment of the photoelectric switch cleaning device for a cigarette factory of the present invention, the fixing assembly 1 includes a first fixing bracket 11 and a second fixing bracket 12, the first fixing bracket 11 is connected to the photoelectric switch 3, the second fixing bracket 12 is connected to the connecting block 21, and the first fixing bracket 11 is connected to the second fixing bracket 12.

[0041] The utility model ensures the stability of the connection between the connecting block 21 and the photoelectric switch 3 by connecting the first fixing bracket 11 to the photoelectric switch 3, the second fixing bracket 12 to the connecting block 21, and the first fixing bracket 11 to the second fixing bracket 12, thereby ensuring that the air guide hole of the connecting block 21 is always facing the lens 4 of the photoelectric switch 3, so as to achieve continuous and stable purging operation.

[0042] In one embodiment of the photoelectric switch cleaning device for a cigarette factory of the present invention, the second fixing bracket 12 has a waist-shaped hole 13 and a first mounting hole 14 , and the first fixing bracket 11 has a plurality of second mounting holes.

[0043] The fixing assembly 1 further includes a first fixing bolt 15 and a second fixing bolt 16 . The first fixing bolt 15 passes through the waist-shaped hole 13 and the second mounting hole, and the second fixing bolt 16 passes through the first mounting hole 14 and the second mounting hole.

[0044] Specifically, the plurality of second mounting holes are evenly spaced along the length direction of the first fixing bracket 11 , and the sizes of the second mounting holes correspond to the sizes of the waist-shaped hole 13 and the first mounting hole 14 .

[0045] The utility model provides a waist-shaped hole 13 and a first mounting hole 14 on the second fixing bracket 12, and provides multiple second mounting holes on the first fixing bracket 11, so that the first fixing bolt 15 passes through the waist-shaped hole 13 and the second mounting hole, and the second fixing bolt 16 passes through the first mounting hole 14 and the second mounting hole, thereby ensuring the stability of the connection between the first fixing bracket 11 and the second fixing bracket 12; and, through the provision of the waist-shaped hole 13 and the multiple second mounting holes, the distance between the first fixing bracket 11 and the second fixing bracket 12 can be adjusted, so as to adapt to photoelectric switches 3 of different heights, thereby effectively improving the practicality of the photoelectric switch cleaning device of the utility model for cigarette factories.

[0046] Although some specific embodiments of the present invention have been described in detail through examples, those skilled in the art will appreciate that the above examples are for illustration only and are not intended to limit the scope of the present invention. Those skilled in the art will appreciate that modifications may be made to the above embodiments without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.

Claims

1. A photoelectric switch cleaning device for a cigarette factory, characterized in that: include: A fixing assembly and a purge assembly; the first end of the fixing assembly is used to fix the photoelectric switch, and the second end of the fixing assembly is connected to the purge assembly; The purge assembly includes a connecting block and a high-pressure air pipe. The connecting block is connected to the fixed assembly. The connecting block is located above the photoelectric switch. An air guide hole is provided inside the connecting block. The first end of the air guide hole is connected to the first end of the high-pressure air pipe. The second end of the air guide hole passes through the connecting block and faces the lens of the photoelectric switch. The second end of the high-pressure air pipe is connected to an external high-pressure air source.

2. The photoelectric switch cleaning device for a cigarette factory according to claim 1, characterized in that: The connecting block includes a connecting section and a blowing section, the first end of the connecting section is connected to the blowing section, and the second end of the connecting section is connected to the first end of the high-pressure air pipe; the orthographic projection of the photoelectric switch on the connecting section falls on the end surface of the connecting section, the end surface of the blowing section is arranged perpendicular to the lens of the photoelectric switch, and the air guide hole passes through the end surface of the connecting section.

3. The photoelectric switch cleaning device for a cigarette factory according to claim 2, characterized in that: The vertical cross-section of the connecting section is a rectangular structure, and the vertical cross-section of the blowing section is a fan-shaped structure.

4. The photoelectric switch cleaning device for a cigarette factory according to claim 2, characterized in that: The end surface of the blowing section is provided with four air outlets, and the four air outlets are all connected to the air guide holes, and the air outlets are rectangular structures.

5. The photoelectric switch cleaning device for a cigarette factory according to claim 1, characterized in that: The purge assembly further includes a throttle valve, which is communicated with the connecting block and the first end of the high-pressure air pipe respectively.

6. The photoelectric switch cleaning device for a cigarette factory according to claim 1, characterized in that: The fixing assembly includes a first fixing bracket and a second fixing bracket, the first fixing bracket is connected to the photoelectric switch, the second fixing bracket is connected to the connecting block, and the first fixing bracket is connected to the second fixing bracket.

7. The photoelectric switch cleaning device for a cigarette factory according to claim 6, characterized in that: The second fixing bracket has a waist-shaped hole and a first mounting hole, and the first fixing bracket has a plurality of second mounting holes; The fixing assembly further includes a first fixing bolt and a second fixing bolt, wherein the first fixing bolt passes through the waist-shaped hole and the second mounting hole, and the second fixing bolt passes through the first mounting hole and the second mounting hole.

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