Bottom cover dust removal device and bottom cover conveying device for prefabricated line

Abstract

The utility model provides a bottom cover dust removal device and a bottom cover conveying device for a prefabricated line, and relates to the technical field of dust removal equipment, the bottom cover dust removal device comprises a protective cover, an ionic wind blowing mechanism and a dust collection mechanism, the protective cover can cover the conveying belt, a dust removal space is formed between the protective cover and the conveying belt, the protective cover is connected with the ionic wind blowing mechanism and the dust suction mechanism, and the ionic wind mechanism is used for blowing ionic wind to the dust removal space so as to blow the surface of a bottom cover on the conveying belt. Ionic wind carrying dust is sucked through the dust suction mechanism, it is guaranteed that fine dust on the surface of a bottom cover entering an inner bag is blown away, and the problems that in the prior art, after labeling, the bottom cover does not have any dust removal treatment on a conveying belt, the bottom cover possibly carries foreign matter particles such as dust to enter the inner bag, and the dust removal effect is poor are solved. And the possibility of quality risk is caused.

Description

Technical Field

[0001] The utility model relates to the technical field of dust removal equipment, in particular to a bottom cover dust removal device and a bottom cover conveying device used on a prefabrication line. Background Art

[0002] The prefabrication line is mainly used as ancillary equipment for filling lines. The current working mode of the prefabrication line is to adsorb the labeled bottom cover on a conveyor belt with a strong magnet, and use the conveyor belt to drive the bottom cover into the inner package.

[0003] However, since the bottom cover has not undergone any processing after labeling, it directly enters the sterilization channel through the conveyor belt and then into the inner package; the sterilization channel can only perform sterilization operations, and if there are foreign particles such as dust on the bottom cover, it will directly enter the inner package and cause contamination, which may lead to the possibility of serious quality risks. Utility Model Content

[0004] The purpose of the utility model is to provide a bottom cover dust removal device and a bottom cover conveying device for a prefabrication line, so as to alleviate the technical problem in the prior art that the bottom cover after labeling is not subjected to any dust removal treatment on the conveyor belt, and may carry foreign particles such as dust into the inner package, which may cause quality risks.

[0005] The utility model provides a bottom cover dust removal device for a prefabrication line, wherein a conveyor belt is provided on the prefabrication line, and the conveyor belt is used to convey the bottom cover after labeling to the inner package, comprising: a protective cover, an ion wind sweeping mechanism and a dust suction mechanism;

[0006] The protective cover is used to cover the conveyor belt, a dust removal space is formed between the protective cover and the conveyor belt, and the protective cover has a gap corresponding to the conveying surface of the conveyor belt for the bottom cover to pass through;

[0007] The ion wind blowing mechanism and the dust suction mechanism are respectively connected to the inside of the dust removal space of the protective cover. The ion wind blowing mechanism is used to blow ion wind into the dust removal space to blow the bottom cover surface on the conveyor belt, and the dust suction mechanism is used to suck the ion wind carrying dust.

[0008] In a preferred embodiment of the utility model, the protective cover includes a first blocking plate; the dust suction mechanism includes a first dust suction end;

[0009] The conveyor belt is arranged to extend in a vertical direction, the first blocking plate is perpendicular to a conveying direction of the conveyor belt, and the first blocking plate and a conveying surface of the conveyor belt form the gap;

[0010] The first blocking plate is located at one end of the protective cover close to the ground, a first through hole is formed on the first blocking plate, and the first dust suction end is butted and sealed with the first through hole.

[0011] In a preferred embodiment of the utility model, the protective cover further comprises a first side baffle; the dust suction mechanism comprises a second dust suction end;

[0012] The first side baffle is extended and arranged along the side of the conveyor belt, and the first side baffle is connected to the side of the conveyor belt. A second through hole is opened on the first side baffle, and the second dust suction end is butt-jointed and sealed with the second through hole.

[0013] In a preferred embodiment of the present utility model, the protective cover further comprises a second side baffle;

[0014] The second side baffle is arranged opposite to the first side baffle, the second side baffle is connected to the other side of the conveyor belt, a third through hole is opened on the second side baffle, the ion wind blowing mechanism extends into the dust removal space through the third through hole, and the ion wind blowing mechanism is clamped and sealed with the third through hole.

[0015] In a preferred embodiment of the present invention, a plurality of the third through holes are provided, and the plurality of the third through holes are spaced apart along the surface of the second side baffle plate, and each of the third through holes is penetrated and connected with one of the ion wind sweeping mechanisms.

[0016] In a preferred embodiment of the utility model, the protective cover further includes a second blocking plate and a connecting plate;

[0017] The second blocking plate is arranged opposite to the first blocking plate, the connecting plate is arranged parallel to the conveying surface of the conveyor belt, the first blocking plate, the first side baffle, the second blocking plate, the second side baffle and the connecting plate are connected in sequence to form a five-sided protective shield, and the five-sided protective shield is arranged on the conveyor belt along one end opposite to the connecting plate.

[0018] In a preferred embodiment of the utility model, a fastener is also included;

[0019] The first side baffle and the second side baffle are provided with connecting holes at positions corresponding to each other, the connecting holes are arranged corresponding to the side positions of the conveyor belt, and the fasteners pass through the connecting holes and are connected to the conveyor belt to fix the five-sided shield on the conveyor belt;

[0020] There are a plurality of connecting holes, and each connecting hole is provided with a fastener.

[0021] In a preferred embodiment of the utility model, the dust suction mechanism further includes a first dust suction pipe and a second dust suction pipe;

[0022] The first dust suction end is connected to the first dust suction pipe, and the inner diameter of the first dust suction pipe gradually decreases from one end close to the first through hole to the first dust suction pipe, and the inner diameter of one end of the first through hole facing the first dust suction end is larger than the diameter of the first through hole;

[0023] The second dust suction end is connected to the second dust suction pipe, and the inner diameter of the second dust suction pipe gradually decreases from one end close to the second through hole to the second dust suction pipe, and the inner diameter of one end of the second through hole facing the second dust suction end is larger than the diameter of the second through hole.

[0024] In a preferred embodiment of the utility model, the dust collection mechanism further includes a centrifugal fan;

[0025] Two centrifugal fans are provided, and the two centrifugal fans are respectively connected to the first dust suction pipe and the second dust suction pipe.

[0026] The utility model provides a bottom cover conveying device, which comprises the bottom cover dust removal device used on the prefabrication line.

[0027] The utility model provides a dust removal device for bottom covers on a prefabrication line. A conveyor belt is provided on the prefabrication line. The conveyor belt is used to convey the bottom covers after labeling to inner packages. The conveyor belt comprises: a protective cover, an ion wind sweeping mechanism and a dust suction mechanism. The protective cover can be covered on the conveyor belt to form a dust removal space between the protective cover and the conveyor belt. The protective cover is respectively connected to the ion wind sweeping mechanism and the dust suction mechanism. The ion wind mechanism is used to blow ion wind into the dust removal space to sweep the surface of the bottom covers on the conveyor belt. The ion wind carrying dust is sucked by the dust suction mechanism to ensure that the fine dust on the surface of the bottom covers entering the inner packages is swept away. This alleviates the technical problem in the prior art that the bottom covers after labeling are not subjected to any dust removal treatment on the conveyor belt, and may carry foreign particles such as dust into the inner packages, which may cause quality risks. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0029] Figure 1 A schematic diagram of the overall structure of a bottom cover dust removal device for a prefabricated line provided by an embodiment of the utility model;

[0030] Figure 2A schematic diagram of the structure of a bottom cover dust removal device for a prefabricated line provided in an embodiment of the utility model, which is arranged on a conveyor belt;

[0031] Figure 3 A schematic structural diagram of a protective cover for a bottom cover dust removal device on a prefabricated line provided in an embodiment of the utility model.

[0032] Icons: 100- conveyor belt; 200- bottom cover; 300- protective cover; 301- first baffle plate; 302- first side baffle plate; 303- second side baffle plate; 313- third through hole; 304- second baffle plate; 305- connecting plate; 306- connecting hole; 400- ion wind sweeping mechanism; 500- dust suction mechanism; 501- first dust suction end; 502- second dust suction end; 503- first dust suction pipe; 504- second dust suction pipe. DETAILED DESCRIPTION

[0033] The technical solution of the utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0034] like Figure 1-Figure 3 As shown, the present embodiment provides a dust removal device for the bottom cover on the prefabrication line, wherein a conveyor belt 100 is provided on the prefabrication line, and the conveyor belt 100 is used to convey the labeled bottom cover 200 to the inner package, and comprises: a protective cover 300, an ion wind blowing mechanism 400 and a dust suction mechanism 500; the protective cover 300 is used to cover the conveyor belt 100, and a dust removal space is formed between the protective cover 300 and the conveyor belt 100, and the protective cover 300 has a gap corresponding to the conveying surface of the conveyor belt 100 for passing the bottom cover 200; the ion wind blowing mechanism 400 and the dust suction mechanism 500 are respectively connected to the inside of the dust removal space of the protective cover 300, and the ion wind blowing mechanism 400 is used to blow ion wind into the dust removal space to blow the surface of the bottom cover 200 on the conveyor belt 100, and the dust suction mechanism 500 is used to suck the ion wind carrying dust.

[0035] It should be noted that the bottom cover dust removal device for the prefabrication line provided in this embodiment can purge and negatively pressure the surface of the bottom cover 200 on the conveyor belt 100 of the prefabrication line, so as to ensure the cleanliness of the surface of the bottom cover 200 after entering the inner package through the sterilization channel; specifically, the protective cover 300 can adopt a transparent cover body, and with one end of the protective cover 300 being open, the protective cover 300 can be set at a certain conveying position of the conveyor belt 100, and the conveyor belt 100 carrying the bottom cover 200 enters the dust removal space formed by the protective cover 300 and the conveyor belt 100 in turn, and the ion wind blowing mechanism 400 will continue to blow the dust to the dust removal space. Ion wind is blown in the dust space, and the ion wind will blow along the surface of the conveyor belt 100, and the dust and other granular foreign matter on the surface of the bottom cover 200 will be taken away by the blowing of the ion wind. At the same time, the dust removal mechanism will perform negative pressure suction on the dust removal space. The negative pressure suction of the dust removal mechanism can extract the ion wind and the dust and other granular foreign matter it carries, thereby ensuring the cleanliness of the bottom cover 200 on the conveyor belt 100. After on-site production and use, the overall structure can operate stably without affecting the normal conveying process of the bottom cover 200, and can also realize the cleaning and blowing of the bottom cover 200, which is suitable for promotion and application.

[0036] The present embodiment provides a bottom cover dust removal device for a prefabrication line. A conveyor belt 100 is provided on the prefabrication line. The conveyor belt 100 is used to convey the labeled bottom cover 200 to the inner package, and includes: a protective cover 300, an ion wind blowing mechanism 400 and a dust suction mechanism 500. The protective cover 300 can be covered on the conveyor belt 100 to form a dust removal space between the protective cover 300 and the conveyor belt 100. The protective cover 300 is connected to the ion wind blowing mechanism 400 and the dust suction mechanism 500 respectively. The ion wind mechanism is used to blow ion wind into the dust removal space to blow the surface of the bottom cover 200 on the conveyor belt 100. The dust suction mechanism 500 is used to suck the ion wind carrying dust, thereby ensuring that the fine dust on the surface of the bottom cover 200 entering the inner package is blown away, thereby alleviating the technical problem in the prior art that the bottom cover 200 after labeling is not subjected to any dust removal treatment on the conveyor belt 100, and may carry foreign particles such as dust into the inner package, thereby causing the possibility of quality risk.

[0037] On the basis of the above embodiments, further, in a preferred embodiment of the utility model, the protective cover 300 includes a first baffle plate 301; the dust suction mechanism 500 includes a first dust suction end 501; the conveyor belt 100 is extended and arranged in the vertical direction, the first baffle plate 301 is perpendicular to the conveying direction of the conveyor belt 100, and a gap is formed between the first baffle plate 301 and the conveying surface of the conveyor belt 100; the first baffle plate 301 is located at one end of the protective cover 300 close to the ground, and a first through hole is opened on the first baffle plate 301, and the first dust suction end 501 is sealed with the first through hole.

[0038] In this embodiment, the extension direction of the first baffle plate 301 is arranged perpendicular to the conveying direction of the conveyor belt 100, that is, the first baffle plate 301 spans the conveying surface of the conveyor belt 100, and there is a gap between the first baffle plate 301 and the surface of the conveyor belt 100, and the gap can ensure the normal conveyance of the bottom cover 200; at the same time, the first baffle plate 301 is located at the end of the protective cover 300 close to the ground, that is, the first baffle plate 301 is located at the bottom of the protective cover 300, and the first through hole is opened on the first baffle plate 301. The first dust suction end 501 is connected to the dust removal space through the first through hole, and the first dust suction end 501 can perform bottom dust suction, that is, after the ion wind blowing mechanism 400 blows up the dust on the surface of the bottom cover 200, it can suck the ion wind and the carried dust based on the dual effects of negative pressure and gravity.

[0039] Optionally, the first dust suction end 501 and the first baffle plate 301 can be connected in various ways, such as: bonding, plugging, bolting or flange connection. Preferably, the first dust suction end 501 can be sealed by a flange to ensure negative pressure suction of the first dust suction end 501.

[0040] In a preferred embodiment of the utility model, the protective cover 300 also includes a first side baffle plate 302; the dust suction mechanism 500 includes a second dust suction end 502; the first side baffle plate 302 is extended along the side of the conveyor belt 100, and the first side baffle plate 302 is connected to the side of the conveyor belt 100, a second through hole is opened on the first side baffle plate 302, and the second dust suction end 502 is connected to the second through hole and sealed.

[0041] In this embodiment, the first side baffle plate 302 and the first blocking plate 301 are arranged vertically, that is, the first side baffle plate 302 is located on the side of the protective cover 300, and the second through hole is opened on the first side baffle plate 302. The second dust suction end 502 is connected with the dust removal space through the second through hole. The second dust suction end 502 can perform horizontal dust suction. Through the first dust suction end 501 and the second dust suction end 502, the inside of the protective cover 300 can be simultaneously sucked in the horizontal and vertical directions, thereby ensuring all-round suction of dust.

[0042] In a preferred embodiment of the utility model, the protective cover 300 also includes a second side baffle plate 303; the second side baffle plate 303 is arranged opposite to the first side baffle plate 302, the second side baffle plate 303 is connected to the other side of the conveyor belt 100, and a third through hole 313 is opened on the second side baffle plate 303, the ion wind blowing mechanism 400 extends into the dust removal space through the third through hole 313, and the ion wind blowing mechanism 400 is clamped and sealed with the third through hole 313.

[0043] In this embodiment, the second side baffle plate 303 is arranged opposite to the first side baffle plate 302, that is, the second side baffle plate 303 is also connected to the first baffle plate 301, and the second side baffle plate 303 serves as the mounting structure of the ion wind blowing mechanism 400. By opening a third through hole 313 on the surface of the second side baffle plate 303, the third through hole 313 can be selected based on the nozzle of the ion wind blowing mechanism 400. The ion wind blowing mechanism 400 uses the third through hole 313 to extend the nozzle into the dust removal space to ensure the ion wind blowing inside the dust removal space.

[0044] In a preferred embodiment of the present invention, a plurality of third through holes 313 are provided, and the plurality of third through holes 313 are spaced apart along the surface of the second side baffle 303 , and each of the third through holes 313 is penetrated and connected with an ion wind blowing mechanism 400 .

[0045] Optionally, two third through holes 313 can be provided, and the two third through holes 313 are respectively arranged at the two ends of the extension direction of the second side baffle 303, and each third through hole 313 is connected through an ion wind blowing mechanism 400. The two ion wind blowing mechanisms 400 can be used to blow the dust removal space in all aspects. At the same time, the two ion wind blowing mechanisms 400 can blow twice on the bottom cover 200 that has just entered the dust removal space and is about to leave the dust removal space, so as to ensure the cleaning cleanliness.

[0046] In a preferred embodiment of the utility model, the protective cover 300 also includes a second baffle plate 304 and a connecting plate 305; the second baffle plate 304 is arranged opposite to the first baffle plate 301, and the connecting plate 305 is arranged parallel to the conveying surface of the conveyor belt 100. The first baffle plate 301, the first side baffle plate 302, the second baffle plate 304, the second side baffle plate 303 and the connecting plate 305 are connected in sequence to form a five-sided protective cover, and the five-sided protective cover is arranged on the conveyor belt 100 along one end relative to the connecting plate 305.

[0047] In this embodiment, the first baffle plate 301, the first side baffle plate 302, the second baffle plate 304, the second side baffle plate 303 and the connecting plate 305 can all be made of acrylic plates. The transparency of the acrylic plates can be used to better observe the state of the bottom cover 200 on the conveyor belt 100 after passing through the dust removal space. The first baffle plate 301, the first side baffle plate 302, the second baffle plate 304, the second side baffle plate 303 and the connecting plate 305 form a five-sided shield. The first baffle plate 301, the first side baffle plate 302, the second baffle plate 304, the second side baffle plate 303 and the connecting plate 305 can be connected by The inner lining angle iron forms a fixed connection, wherein the side away from the connecting plate 305 is in an open state, and the cross-sectional shape of the five-sided shield is a rectangle, the first side baffle 302 and the second side baffle 303 have the same structural dimensions, the first blocking plate 301 and the second blocking plate 304 have the same structural dimensions, and the height of the first side baffle 302 is greater than the height of the first blocking plate 301, so that after the first side baffle 302 and the second side baffle are mounted on the side wall bracket of the conveyor belt 100, the first blocking plate 301 and the second blocking plate 304 have a gap with the surface of the conveyor belt 100 that can pass through the bottom cover 200.

[0048] In a preferred embodiment of the utility model, fasteners are also included; connecting holes 306 are correspondingly opened through the relative positions of the first side baffle 302 and the second side baffle 303, and the connecting holes 306 are arranged corresponding to the side positions of the conveyor belt 100. The fasteners penetrate the connecting holes 306 and are connected to the conveyor belt 100 to fix the five-sided shield on the conveyor belt 100; a plurality of connecting holes 306 are provided, and each connecting hole 306 is provided with a fastener.

[0049] In this embodiment, the fasteners can be bolts or pins, and at least two connecting holes 306 are arranged along the first side baffle 302. Similarly, two connecting holes 306 are penetrated at corresponding positions of the second side baffle 303. When the first side baffle 302 and the second side baffle 303 are installed on the side wall of the conveyor belt 100, the first side baffle 302 and the second side baffle 303 can fit with the bracket surface of the conveyor belt 100. By also providing fixing holes on the bracket, fasteners are used to penetrate the connecting holes 306 and the fixing holes in sequence to ensure the fixed connection between the object surface shield and the conveyor belt 100.

[0050] In a preferred embodiment of the utility model, the dust suction mechanism 500 also includes a first dust suction tube 503 and a second dust suction tube 504; the first dust suction end 501 is connected to the first dust suction tube 503, and the inner diameter of the first dust suction tube 503 gradually decreases along the end close to the first through hole to the first dust suction tube 503, and the inner diameter of the end of the first dust suction end 501 facing the first through hole is greater than the diameter of the first through hole; the second dust suction end 502 is connected to the second dust suction tube 504, and the inner diameter of the second dust suction tube 504 gradually decreases along the end close to the second through hole to the second dust suction tube 504, and the inner diameter of the end of the second dust suction end 502 facing the second through hole is greater than the diameter of the second through hole.

[0051] Optionally, both the first dust suction end 501 and the second dust suction end 502 can adopt a trumpet-shaped structure, but the inner diameter specification of the first dust suction end 501 can be different from the inner diameter specification of the second dust suction end 502, that is, the first dust suction end 501 and the second dust suction end 502 respectively transmit different negative pressure forces to the dust removal space through the first through hole and the second through hole, thereby better ensuring comprehensive dust suction of lateral dust suction and bottom dust suction.

[0052] In this embodiment, since there is a diameter change process from the first dust suction tube 503 to the first dust suction end 501, that is, when the first dust suction end 501 conveys ion wind to the first dust suction tube 503 through the first through hole, the ion wind entering the first dust suction end 501 will be pressurized when entering the first dust suction tube 503, thereby better ensuring the discharge of dust after entering the first dust suction end 501; similarly, since there is a diameter change process from the second dust suction tube 504 to the second dust suction end 502, that is, when the second dust suction end 502 conveys ion wind to the second dust suction tube 504 through the second through hole, the ion wind entering the second dust suction end 502 will be pressurized when entering the second dust suction tube 504, thereby better ensuring the discharge of dust after entering the second dust suction end 502; optionally, both the first dust suction tube 503 and the second dust suction tube 504 can adopt corrugated hoses.

[0053] In a preferred embodiment of the present invention, the dust suction mechanism 500 further includes a centrifugal fan; two centrifugal fans are provided, and the two centrifugal fans are respectively connected to the first dust suction pipe 503 and the second dust suction pipe 504 .

[0054] In this embodiment, since there will be no large foreign particles on the bottom cover 200 on the prefabrication line, only slight fine dust will be attached, a centrifugal fan is used through the power mechanism, and the centrifugal fan can directly remove the fine dust without affecting the normal operation of the centrifugal fan.

[0055] Optionally, when the power mechanism of the dust suction mechanism 500 is not a centrifugal fan but a common fan, the dust suction mechanism 500 may further include a filtering mechanism. The filtering mechanism may be provided with two groups, and the two groups of filtering mechanisms are respectively installed on the first dust suction pipe 503 and the second dust suction pipe 504. The filtering mechanism can filter and intercept the dust sucked out by the first dust suction pipe 503 and the second dust suction pipe 504, thereby better ensuring the continuous operation of the fan.

[0056] The present embodiment provides a bottom cover conveying device, including the bottom cover dust removal device for the prefabrication line. Since the technical effect of the bottom cover conveying device provided by the present embodiment is the same as the technical effect of the bottom cover dust removal device for the prefabrication line provided by the above embodiment, it will not be described in detail here.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A dust removal device for bottom covers on a prefabrication line, wherein a conveyor belt (100) is provided on the prefabrication line, and the conveyor belt (100) is used to convey the bottom covers (200) after labeling to the inner bag, characterized in that: include: A protective cover (300), an ion wind blowing mechanism (400) and a dust collecting mechanism (500); The protective cover (300) is used to cover the conveyor belt (100), a dust removal space is formed between the protective cover (300) and the conveyor belt (100), and the protective cover (300) has a gap corresponding to the conveying surface of the conveyor belt (100) for the bottom cover (200) to pass through; The ion wind blowing mechanism (400) and the dust suction mechanism (500) are respectively connected to the inside of the dust removal space of the protective cover (300); the ion wind blowing mechanism (400) is used to blow ion wind into the dust removal space to blow the surface of the bottom cover (200) on the conveyor belt (100); and the dust suction mechanism (500) is used to suck the ion wind carrying dust.

2. The dust removal device for the bottom cover of the prefabrication line according to claim 1 is characterized in that: The protective cover (300) comprises a first blocking plate (301); the dust suction mechanism (500) comprises a first dust suction end (501); The conveyor belt (100) is arranged to extend in a vertical direction, the first blocking plate (301) is perpendicular to the conveying direction of the conveyor belt (100), and the first blocking plate (301) and the conveying surface of the conveyor belt (100) form the gap; The first blocking plate (301) is located at one end of the protective cover (300) close to the ground, a first through hole is provided on the first blocking plate (301), and the first dust suction end (501) is butt-jointed and sealed with the first through hole.

3. The dust removal device for the bottom cover of the prefabrication line according to claim 2 is characterized in that: The protective cover (300) further comprises a first side baffle (302); the dust suction mechanism (500) comprises a second dust suction end (502); The first side baffle (302) is extended along the side of the conveyor belt (100), and the first side baffle (302) is connected to the side of the conveyor belt (100). A second through hole is provided on the first side baffle (302), and the second dust suction end (502) is sealed in a butt connection with the second through hole.

4. The dust removal device for the bottom cover of the prefabrication line according to claim 3 is characterized in that: The protective cover (300) further includes a second side baffle (303); The second side baffle (303) is arranged opposite to the first side baffle (302), the second side baffle (303) is connected to the other side of the conveyor belt (100), a third through hole (313) is provided on the second side baffle (303), the ion wind blowing mechanism (400) extends into the dust removal space through the third through hole (313), and the ion wind blowing mechanism (400) is snap-fitted and sealed with the third through hole (313).

5. The dust removal device for the bottom cover of the prefabrication line according to claim 4 is characterized in that: A plurality of the third through holes (313) are provided, and the plurality of the third through holes (313) are arranged at intervals along the surface of the second side baffle (303), and each of the third through holes (313) is penetrated and connected with one of the ion wind sweeping mechanisms (400).

6. The dust removal device for the bottom cover of the prefabrication line according to claim 4 is characterized in that: The protective cover (300) further comprises a second blocking plate (304) and a connecting plate (305); The second blocking plate (304) is arranged opposite to the first blocking plate (301), the connecting plate (305) is arranged parallel to the conveying surface of the conveyor belt (100), the first blocking plate (301), the first side baffle (302), the second blocking plate (304), the second side baffle (303) and the connecting plate (305) are connected in sequence to form a five-sided protective shield, and the five-sided protective shield is arranged on the conveyor belt (100) along one end opposite to the connecting plate (305).

7. The dust removal device for the bottom cover of the prefabrication line according to claim 6 is characterized in that: Also included are fasteners; A connection hole (306) is formed through the first side baffle (302) and the second side baffle (303) at positions opposite to each other, the connection hole (306) is arranged corresponding to the side position of the conveyor belt (100), and the fastener passes through the connection hole (306) and is connected to the conveyor belt (100) to fix the five-sided shield on the conveyor belt (100); A plurality of the connection holes (306) are provided, and each of the connection holes (306) is provided with a fastener.

8. The dust removal device for the bottom cover of the prefabrication line according to any one of claims 3 to 7, characterized in that: The dust suction mechanism (500) further comprises a first dust suction pipe (503) and a second dust suction pipe (504); The first dust suction end (501) is connected to the first dust suction pipe (503), and the inner diameter of the first dust suction pipe (503) gradually decreases from one end close to the first through hole to the first dust suction pipe (503), and the inner diameter of one end of the first through hole facing the first dust suction end (501) is greater than the diameter of the first through hole; The second dust suction end (502) is connected to the second dust suction pipe (504), and the inner diameter of the second dust suction pipe (504) gradually decreases from one end close to the second through hole to the second dust suction pipe (504), and the inner diameter of one end of the second through hole facing the second dust suction end (502) is larger than the diameter of the second through hole.

9. The dust removal device for the bottom cover of the prefabrication line according to claim 8, characterized in that: The dust collection mechanism (500) further includes a centrifugal fan; Two centrifugal fans are provided, and the two centrifugal fans are respectively connected to the first dust suction pipe (503) and the second dust suction pipe (504).

10. A bottom cover conveying device, characterized in that: It comprises a dust removal device for the bottom cover on a prefabricated line as described in any one of claims 1 to 9.

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