Dust removal and ventilation structure and printing machine

Abstract

The utility model discloses a dedusting ventilation structure and a printing machine, which belong to the technical field of printing machines, and comprise a first support plate and a second support plate, the top of the first support plate and the top of the second support plate are connected with a printing machine body; a conveying mechanism used for conveying the plate type printing stock so as to remove dust of the plate type printing stock is arranged between the first supporting plate and the second supporting plate. Through the arrangement of the conveying mechanism, the dust removal mechanism and the dust discharge mechanism, during use, the plate printing stock can be supported through the conveying mechanism, meanwhile, the plate printing stock can be conveniently moved, the moving plate printing stock can be subjected to dust removal through the dust removal mechanism, and dust on the surface of the plate printing stock is removed; and the dust discharging mechanism can suck and discharge the removed dust, so that the dust is prevented from falling on the surface of the plate type printing stock again, and the dust removing effect of the plate type printing stock is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of printing machines, in particular to a dust removal and ventilation structure and a printing machine. Background Art

[0002] A printing press is a machine for printing text and images. Modern printing presses are generally composed of mechanisms such as plate mounting, inking, embossing, and paper feeding (including folding). Its working principle is: first, the text and image to be printed are made into a printing plate and mounted on the printing press. Then, ink is applied to the places with text and images on the printing plate by humans or the printing press, and then directly or indirectly transferred to paper or other substrates (such as textiles, metal plates, plastics, leather, wood boards, glass and ceramics), thereby replicating printed products identical to the printing plate.

[0003] CN217455356U discloses a dust removal and ventilation structure for a printing machine, comprising a printing machine body, wherein two conveying assemblies are respectively arranged on the left and right sides of the back of the printing machine body, a vacuum negative pressure pump extracts dust near a dust removal box through an exhaust pipe, a dust removal brush removes dust from a printing surface of printing paper under the inertia of the printing paper conveying, a fan discharges air into a connecting pipe through an exhaust pipe a, the connecting pipe discharges air through nozzles a and nozzles b, an antistatic brush cleans dust from the printing surface of printing paper, nozzle a removes dust from the antistatic brush, nozzle a blows the dust cleaned by the antistatic brush to the dust removal box, which is extracted by the exhaust pipe, and a plurality of nozzles b spray the printing surface of printing paper, thereby removing dust adsorbed and contaminated on the surface of printing paper, thereby solving the problem that the quality of printed products will be reduced if the dust adhering to the surface of printing paper in the existing equipment is not cleaned up in time.

[0004] There are still some problems in the use of the above patents, such as: when printing on plate-type substrates, due to the lack of conveying and supporting functions, the plate-type substrates cannot be effectively cleaned of dust during use, which reduces the practicality. Therefore, we need to propose a dust removal and ventilation structure and a printing press. Utility Model Content

[0005] The purpose of the utility model is to provide a dust removal ventilation structure and a printing machine, which can effectively clean dust on plate-type printing materials, improve the practicality of the device, and solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dust removal and ventilation structure, comprising a first support plate and a second support plate, the tops of the first support plate and the second support plate are connected to a printing machine body, a conveying mechanism for conveying plate-type substrates to facilitate dust removal of the plate-type substrates is arranged between the first support plate and the second support plate, the inner cavity of the printing machine body is provided with a dust removal mechanism for dust removal of the plate-type substrates to improve the printing quality of the plate-type substrates, the top of the printing machine body is provided with a dust discharge mechanism for absorbing dust to facilitate dust discharge, and adjustment mechanisms for adjusting the height of the device to facilitate stable operation of the device are equidistantly arranged at the bottoms of the first support plate and the second support plate.

[0007] Preferably, the conveying mechanism includes a protective box, which is fixedly mounted on the front side of the first support plate, and one side of the front side of the second support plate is rotatably connected to a driving shaft via a bearing seat, and the front end of the driving shaft passes through the first support plate and the protective box in sequence and extends to the inner cavity of the protective box, and a servo motor is installed on the front side of the inner cavity of the protective box, and the output shaft of the servo motor is connected to the front end of the driving shaft, and the front side of the first support plate is equidistantly rotatably connected to a driven shaft via a bearing seat, and the surfaces of the driving shaft and the driven shaft are transmission-connected to a conveyor belt, and a feeding mechanism for assisting the movement of plate-type substrates is provided between the first support plate and the second support plate.

[0008] Preferably, the feeding mechanism includes an auxiliary shaft, the rear ends of the auxiliary shaft are rotatably connected to the front sides of the second support plate via bearing seats, the front ends of the auxiliary shaft penetrate the first support plate and the protective box in sequence and extend to the inner cavity of the protective box, the front ends of the driving shaft, the driven shaft and the auxiliary shaft are all connected to sprockets, the sprockets are connected via chain transmission, and the surface of the auxiliary shaft is transmission-connected to a feeding belt.

[0009] Preferably, the dust removal mechanism includes a protective box, which is fixedly mounted on the front side of the printing machine body; the back side of the inner cavity of the printing machine body and the front side of the second support plate are rotatably connected to cleaning rollers through bearing seats; the front ends of the cleaning rollers respectively penetrate the printing machine body and the protective box in sequence and extend to the inner cavity of the protective box and are connected to driving gears; a driving motor is installed on the front side of the inner cavity of the protective box, and the output shaft of the driving motor is transmission-connected to the cleaning roller through gears and racks.

[0010] Preferably, the dust removal mechanism includes a vacuum cleaner, the air inlet end of the vacuum cleaner penetrates the printing machine body and extends to the inner cavity of the printing machine body and is connected to a connecting pipe, the two ends of the connecting pipe are respectively connected to short pipes, the bottom of the short pipe is equidistantly connected to a long pipe, and the bottom of the long pipe is respectively equidistantly connected to a dust suction pipe.

[0011] Preferably, the adjustment mechanism includes a fixed tube, which is equidistantly arranged below the first support plate and the second support plate, and the inner cavity of the fixed tube is slidably connected with a telescopic rod, the top of the telescopic rod passes through the fixed tube and extends to the outside of the fixed tube and is respectively connected to the bottom of the first support plate and the second support plate, and the bottom of the inner cavity of the fixed tube is provided with a driving mechanism for driving the telescopic rod to rise and fall so as to improve the working stability of the device.

[0012] Preferably, the driving mechanism includes a screw rod, the bottom end of the screw rod is rotatably connected to the bottom of the inner cavity of the fixed tube via a bearing seat, the top end of the screw rod passes through the telescopic rod and extends to the inner cavity of the telescopic rod, the bottom of the screw rod surface is connected to a rotating rod via a bevel gear transmission, one end of the rotating rod passes through the fixed tube and extends to the outside of the fixed tube and is connected to a crank.

[0013] Preferably, positioning blocks are installed at the bottom of both sides of the telescopic rod, and positioning grooves are opened in the inner cavity of the fixing tube at positions corresponding to the positioning blocks, and the surface of the positioning block is slidably connected to the inner cavity of the positioning groove.

[0014] Preferably, a bottom plate is installed at the bottom end of the fixing tube, a shock-absorbing pad is installed at the bottom of the bottom plate, and an observation window is embedded on the back of the printer body.

[0015] A printing machine comprises a dust removal and ventilation structure as described in any one of the above technical solutions.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model is provided with a conveying mechanism, a dust removing mechanism and an ash discharging mechanism. When in use, the conveying mechanism can support the plate-type printing substrate and facilitate the movement of the plate-type printing substrate. The dust removing mechanism can remove dust from the moved plate-type printing substrate and remove dust on the surface of the plate-type printing substrate, thereby improving the printing quality of the plate-type printing substrate. The ash discharging mechanism can absorb and discharge the removed dust to prevent the dust from falling on the surface of the plate-type printing substrate again, thereby improving the dust removal effect of the plate-type printing substrate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the dust removal mechanism of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the conveying mechanism of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the ash discharge mechanism of the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the adjustment mechanism of the utility model;

[0023] Figure 6 This is a schematic diagram of the rear view structure of the printing machine body of the utility model.

[0024] In the figure: 1. first support plate; 2. second support plate; 3. printing machine body; 4. conveying mechanism; 5. dust removal mechanism; 6. dust discharge mechanism; 7. adjustment mechanism; 41. protection box; 42. driving shaft; 43. servo motor; 44. driven shaft; 45. feeding mechanism; 451. auxiliary driving shaft; 452. sprocket; 51. protection box; 52. cleaning roller; 53. driving gear; 54. driving motor; 61. vacuum cleaner; 62. connecting pipe; 63. short pipe; 64. long pipe; 65. vacuum pipe; 71. fixed pipe; 72. telescopic rod; 73. driving mechanism; 731. screw rod; 732. rotating rod; 733. crank; 8. bottom plate; 9. observation window; 10. drying device; 11. printing device. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-Figure 6 The utility model provides a technical solution: a dust removal and ventilation structure, comprising a first support plate 1 and a second support plate 2, the tops of the first support plate 1 and the second support plate 2 are connected with a printing machine body 3, a conveying mechanism 4 for conveying plate-type printing materials so as to facilitate dust removal of the plate-type printing materials is arranged between the first support plate 1 and the second support plate 2, a dust removal mechanism 5 for dust removal of the plate-type printing materials so as to improve the printing quality of the plate-type printing materials is arranged in the inner cavity of the printing machine body 3, a dust discharge mechanism 6 for sucking dust so as to facilitate dust discharge is arranged on the top of the printing machine body 3, and an adjustment mechanism 7 for adjusting the height of the device so as to facilitate stable operation of the device is equidistantly arranged at the bottoms of the first support plate 1 and the second support plate 2;

[0027] Through the arrangement of the conveying mechanism 4, the dust removal mechanism 5 and the dust discharge mechanism 6, when in use, the conveying mechanism 4 can support the plate-type printing substrate and facilitate the movement of the plate-type printing substrate. The dust removal mechanism 5 can remove dust from the moving plate-type printing substrate to remove dust on the surface of the plate-type printing substrate, thereby improving the printing quality of the plate-type substrate. The dust discharge mechanism 6 can absorb and discharge the removed dust to prevent the dust from falling on the surface of the plate-type printing substrate again, thereby improving the dust removal effect of the plate-type substrate.

[0028] See also Figure 1-Figure 6 The conveying mechanism 4 includes a protection box 41, which is fixedly mounted on the front side of the first support plate 1, and a driving shaft 42 is rotatably connected to one side of the front side of the second support plate 2 through a bearing seat. The front end of the driving shaft 42 passes through the first support plate 1 and the protection box 41 in sequence and extends to the inner cavity of the protection box 41. A servo motor 43 is installed on the front side of the inner cavity of the protection box 41, and the output shaft of the servo motor 43 is connected to the front end of the driving shaft 42. The front side of the first support plate 1 is equidistantly rotatably connected to a driven shaft 44 through a bearing seat, and the surfaces of the driving shaft 42 and the driven shaft 44 are connected to a conveyor belt in a transmission manner. A feeding mechanism 45 for assisting the movement of sheet-type printing materials is arranged between the first support plate 1 and the second support plate 2. The servo motor 43 is started by an external controller, and the output shaft of the servo motor 43 drives the driving shaft 42 to rotate, and the driving shaft 42 drives the conveyor belt to move, so as to facilitate the movement of sheet-type printing materials.

[0029] The feeding mechanism 45 includes an auxiliary shaft 451, the rear ends of which are rotatably connected to the front sides of the second support plate 2 through bearing seats, the front ends of which penetrate the first support plate 1 and the protection box 41 in sequence and extend to the inner cavity of the protection box 41, the front ends of the driving shaft 42, the driven shaft 44 and the auxiliary shaft 451 are all connected with sprockets 452, the sprockets 452 are connected through chain transmission, and the surface of the auxiliary shaft 451 is connected with a feeding belt. When the servo motor 43 drives the driving shaft 42 to rotate, the driving shaft 42 drives the auxiliary shaft 451 to rotate through the sprockets 452 and the chain, and the auxiliary shaft 451 can drive the feeding belt to move, so as to facilitate the movement of plate-type printing materials.

[0030] The dust removal mechanism 5 includes a protective box 51, which is fixedly installed on the front side of the printing machine body 3. The back side of the inner cavity of the printing machine body 3 and the front side of the second support plate 2 are rotatably connected with a cleaning roller 52 through a bearing seat. The front end of the cleaning roller 52 passes through the printing machine body 3 and the protective box 51 in sequence and extends to the inner cavity of the protective box 51 and is connected with a driving gear 53. A driving motor 54 is installed on the front side of the inner cavity of the protective box 51. The output shaft of the driving motor 54 is connected to the cleaning roller 52 through a gear and a rack. The driving motor 54 is started by an external controller, and the output shaft of the driving motor 54 drives the cleaning roller 52 to rotate through the gear and the rack. The rotating cleaning roller 52 can clean dust from the moving plate-type substrate. At the same time, every two cleaning rollers 52 are meshed with each other through the driving gear 53, so it is convenient to clean the top and bottom surfaces of the plate-type substrate.

[0031] The dust removal mechanism 6 includes a vacuum cleaner 61. The air inlet end of the vacuum cleaner 61 passes through the printing machine body 3 and extends to the inner cavity of the printing machine body 3 to be connected with a connecting pipe 62. The two ends of the connecting pipe 62 are respectively connected with short pipes 63. The bottom of the short pipe 63 is equidistantly connected with a long pipe 64. The bottom of the long pipe 64 is respectively equidistantly connected with a dust suction pipe 65. The vacuum cleaner 61 is started by an external controller. The vacuum cleaner 61 can extract dust floating in the air through the connecting pipe 62, the short pipe 63, the long pipe 64 and the dust suction pipe 65 to facilitate dust removal.

[0032] The adjusting mechanism 7 comprises a fixing tube 71, which is equidistantly arranged below the first supporting plate 1 and the second supporting plate 2, and a telescopic rod 72 is slidably connected to the inner cavity of the fixing tube 71, and the top of the telescopic rod 72 passes through the fixing tube 71 and extends to the outside of the fixing tube 71 and is respectively connected to the bottom of the first supporting plate 1 and the second supporting plate 2, and a driving mechanism 73 for driving the telescopic rod 72 to be raised and lowered so as to improve the working stability of the device is provided at the bottom of the inner cavity of the fixing tube 71, and the telescopic rod 72 is driven to move by the driving mechanism 73. Since the telescopic rod 72 is respectively connected to the first supporting plate 1 and the second supporting plate 2, the moving telescopic rod 72 can drive the fixing tube 71 to move, and the fixing tube 71 can be adjusted by moving, thereby improving the stability of the device.

[0033] The driving mechanism 73 includes a screw rod 731, the bottom end of which is rotatably connected to the bottom of the inner cavity of the fixed tube 71 via a bearing seat, the top end of the screw rod 731 passes through the telescopic rod 72 and extends to the inner cavity of the telescopic rod 72, the bottom of the surface of the screw rod 731 is connected to a rotating rod 732 via a bevel gear transmission, one end of the rotating rod 732 passes through the fixed tube 71 and extends to the outside of the fixed tube 71 and is connected to a crank 733, when the crank 733 is shaken, the crank 733 drives the rotating rod 732 to rotate, and the rotating rod 732 drives the screw rod 731 to rotate via the bevel gear, and since the screw rod 731 and the telescopic rod 72 are threadedly connected, the rotating screw rod 731 drives the telescopic rod 72 to move.

[0034] Positioning blocks are installed at the bottom of both sides of the telescopic rod 72, and positioning grooves are opened in the inner cavity of the fixed tube 71 and at the corresponding positions of the positioning blocks. The surface of the positioning block is slidably connected to the inner cavity of the positioning groove, which plays a role of limiting and facilitates the movement of the telescopic rod 72. A bottom plate 8 is installed at the bottom end of the fixed tube 71, and a shock-absorbing pad is installed at the bottom of the bottom plate 8. The shock-absorbing pad can reduce shock and improve the stability of the device during operation. An observation window 9 is embedded on the back of the printing machine body 3 to facilitate observation of the working status inside the printing machine body 3.

[0035] The above contents are the details of the dust removal and ventilation structure provided by the utility model. In addition, the utility model also provides a printing press, including the above dust removal and ventilation structure.

[0036] In some other embodiments, the printing press may include some basic equipment such as a printing device and a drying device.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dust removal and ventilation structure, comprising a first support plate (1) and a second support plate (2), characterized in that: The tops of the first support plate (1) and the second support plate (2) are connected to a printing machine body (3); a conveying mechanism (4) for conveying plate-type printing materials so as to remove dust from the plate-type printing materials is arranged between the first support plate (1) and the second support plate (2); a dust removal mechanism (5) for removing dust from the plate-type printing materials so as to improve the printing quality of the plate-type printing materials is arranged in the inner cavity of the printing machine body (3); a dust discharge mechanism (6) for sucking dust so as to discharge dust is arranged on the top of the printing machine body (3); and adjustment mechanisms (7) for height adjustment so as to facilitate stable operation are arranged equidistantly at the bottoms of the first support plate (1) and the second support plate (2).

2. A dust removal and ventilation structure according to claim 1, characterized in that: The conveying mechanism (4) comprises a protection box (41), wherein the protection box (41) is fixedly mounted on the front side of the first support plate (1); a driving shaft (42) is rotatably connected to one side of the front side of the second support plate (2) via a bearing seat; a front end of the driving shaft (42) passes through the first support plate (1) and the protection box (41) in sequence and extends to the inner cavity of the protection box (41); a servo motor (43) is mounted on the front side of the inner cavity of the protection box (41); an output shaft of the servo motor (43) is connected to the front end of the driving shaft (42); a driven shaft (44) is rotatably connected to the front side of the first support plate (1) via a bearing seat at equal intervals; a conveyor belt is connected to the surfaces of the driving shaft (42) and the driven shaft (44); a feeding mechanism (45) for assisting the movement of plate-type printing materials is arranged between the first support plate (1) and the second support plate (2).

3. A dust removal and ventilation structure according to claim 2, characterized in that: The feeding mechanism (45) comprises an auxiliary drive shaft (451), the rear end of the auxiliary drive shaft (451) is rotatably connected to the front side of the second support plate (2) via a bearing seat, the front end of the auxiliary drive shaft (451) passes through the first support plate (1) and the protection box (41) in sequence and extends to the inner cavity of the protection box (41), the front ends of the driving shaft (42), the driven shaft (44) and the auxiliary drive shaft (451) are all connected to a sprocket (452), the sprocket (452) is connected via a chain transmission, and the surface of the auxiliary drive shaft (451) is connected to a feeding belt via a transmission.

4. A dust removal and ventilation structure according to claim 3, characterized in that: The dust removal mechanism (5) comprises a protective box (51), wherein the protective box (51) is fixedly mounted on the front of the printing machine body (3), and the back of the inner cavity of the printing machine body (3) and the front of the second support plate (2) are both rotatably connected to a cleaning roller (52) via a bearing seat, and the front end of the cleaning roller (52) respectively passes through the printing machine body (3) and the protective box (51) in sequence and extends to the inner cavity of the protective box (51) and is connected to a driving gear (53), and a driving motor (54) is mounted on the front of the inner cavity of the protective box (51), and the output shaft of the driving motor (54) is transmission-connected to the cleaning roller (52) via a gear and a rack.

5. A dust removal and ventilation structure according to claim 4, characterized in that: The dust removal mechanism (6) comprises a dust collector (61), the air inlet end of the dust collector (61) passes through the printing machine body (3) and extends to the inner cavity of the printing machine body (3) to be connected with a connecting pipe (62), the two ends of the connecting pipe (62) are respectively connected with short pipes (63), the bottom of the short pipe (63) is equidistantly connected with a long pipe (64), and the bottom of the long pipe (64) is respectively equidistantly connected with dust collection pipes (65).

6. A dust removal and ventilation structure according to claim 5, characterized in that: The adjustment mechanism (7) comprises a fixed tube (71), wherein the fixed tube (71) is equidistantly arranged below the first support plate (1) and the second support plate (2), and the inner cavity of the fixed tube (71) is slidably connected with a telescopic rod (72), the top end of the telescopic rod (72) passes through the fixed tube (71) and extends to the outside of the fixed tube (71) and is respectively connected to the bottom of the first support plate (1) and the second support plate (2), and the bottom of the inner cavity of the fixed tube (71) is provided with a driving mechanism (73) for driving the telescopic rod (72) to move up and down so as to improve working stability.

7. A dust removal and ventilation structure according to claim 6, characterized in that: The driving mechanism (73) comprises a screw rod (731), the bottom end of the screw rod (731) is rotatably connected to the bottom of the inner cavity of the fixed tube (71) via a bearing seat, the top end of the screw rod (731) penetrates the telescopic rod (72) and extends to the inner cavity of the telescopic rod (72), the bottom of the surface of the screw rod (731) is connected to a rotating rod (732) via a bevel gear transmission, and one end of the rotating rod (732) penetrates the fixed tube (71) and extends to the outside of the fixed tube (71) and is connected to a crank (733).

8. A dust removal and ventilation structure according to claim 7, characterized in that: Positioning blocks are installed at the bottom of both sides of the telescopic rod (72), and positioning grooves are opened in the inner cavity of the fixing tube (71) at the corresponding position of the positioning blocks, and the surface of the positioning block is slidably connected with the inner cavity of the positioning groove.

9. A dust removal and ventilation structure according to claim 8, characterized in that: A bottom plate (8) is installed at the bottom end of the fixed tube (71), a shock-absorbing pad is installed at the bottom of the bottom plate (8), and an observation window (9) is embedded on the back of the printing machine body (3).

10. A printing press, characterized in that: A dust removal and ventilation structure comprising any one of claims 1-9.

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