Feeding device for printing

Abstract

The utility model relates to the technical field of printing feeding, in particular to a feeding device for printing, which comprises a machine table, a conveying belt, a dust collector, a hold-down roller and a gravity compression roller group, and the conveying belt is rotatably arranged on the machine table and used for conveying printed materials; the dust removing instrument is arranged above the conveying belt and is used for removing dust; the gravity compression roller set is arranged on one side of the conveying belt and used for conveying printing stock. The hold-down roller is arranged on the side, close to the gravity compression roller set, of the conveying belt and used for holding down the printing stock so as to control the tension and the conveying speed of the printing stock. By integrating key components such as the conveying belt, the dust removal instrument, the gravity compression roller set and the hold-down roller, efficient, clean and stable conveying of the printing stock is achieved. The device not only improves the overall efficiency of a printing production line, but also improves the quality of printed finished products.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing feeding technology field especially relates to a feeding device for printing. BACKGROUND

[0002] In the printing industry, the conveying of the printing material is a key link in the printing process. The traditional feeding device often has problems such as low conveying efficiency, insufficient surface cleanliness of the printing material, and unstable tension and speed control of the printing material during conveying.

[0003] These problems not only affect the printing efficiency, but also may cause the decline of the printing quality, such as producing printing blur, uneven color and other defects, so it is necessary to improve. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a feeding device for printing, which integrates the key components such as the conveying belt, the dust removal instrument, the gravity pressure roller group and the holding roller, realizes the efficient, clean and stable conveying of the printing material, improves the overall efficiency of the printing production line, and improves the quality of the printed products.

[0005] To achieve the above-mentioned purpose, the utility model discloses a feeding device for printing, which comprises a machine table, a conveying belt, a dust removal instrument, a holding roller and a gravity pressure roller group,

[0006] The conveying belt is rotatably arranged on the machine table and used for conveying the printing material.

[0007] The dust removal instrument is arranged above the conveying belt and used for dust removal.

[0008] The gravity pressure roller group is arranged on one side of the conveying belt and used for conveying the printing material.

[0009] The holding roller is arranged on one side of the conveying belt close to the gravity pressure roller group and used for holding the printing material to control the tension and conveying speed of the printing material.

[0010] Preferably, the conveying belt comprises a main roller, a driven roller, a transmission belt, an auxiliary roller and a roller support,

[0011] The main roller and the driven roller are rotatably arranged on the machine table, the transmission belt is sleeved between the main roller and the driven roller, the roller support is arranged in the middle of the transmission belt, and the auxiliary roller is rotatably arranged on the roller support.

[0012] Preferably, the holding roller is arranged above the driven roller, and the transmission belt is held between the holding roller and the driven roller.

[0013] Preferably, the dust removal device comprises a support frame, a dust removal suction head, a sliding lifting seat and a height adjuster.

[0014] The support frame is arranged on the machine table and suspended above the conveying belt.

[0015] The dust removal suction head is fixed to the sliding lifting seat.

[0016] The sliding lifting seat is slidingly connected to the support frame.

[0017] The height adjuster drives the sliding lifting seat to slide along the height direction of the support frame.

[0018] Preferably, a protective cover is arranged at the sliding connection between the sliding lifting seat and the support frame.

[0019] The dust removal suction head is provided with an air suction fan, and the outlet end of the air suction fan is provided with a filter screen.

[0020] Preferably, the height adjustment groove is arranged at the rotating connection between the pressure roller and the machine table, and the two ends of the pressure roller are provided with adjustment knobs.

[0021] Preferably, the gravity pressure roller group comprises an adjusting frame, a first pressure roller, a second pressure roller, a movable plate and an adjusting rod,

[0022] The adjusting frame is fixed to the machine table.

[0023] The first pressure roller is rotatably arranged at the lower part of the adjusting frame.

[0024] The second pressure roller is rotatably arranged at the movable plate.

[0025] The movable plate is slidingly arranged at the upper part of the adjusting frame.

[0026] The adjusting rod is threadedly connected to the movable plate and used to drive the movable plate to ascend or descend along the height direction of the adjusting frame.

[0027] Preferably, the adjusting frame is provided with a movable groove, the movable plate is provided with a sliding block, and the sliding block is slidingly connected to the sliding block.

[0028] Preferably, one side of the first pressure roller is provided with an adjustment knob for adjusting the rotational resistance between the first pressure roller and the adjusting frame.

[0029] Preferably, the movable plate is provided with an infrared detector for detecting the distance between the second pressure roller and the printing substrate.

[0030] The utility model discloses a beneficial effect: the utility model discloses a key component through integration conveying belt, dust removal instrument, gravity pressure roller group and hold down roller etc., realizes the efficient, clean and stable conveying of printing material. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is the structure schematic diagram of the utility model.

[0032] Figure 2 It is the side view structure schematic diagram of the utility model.

[0033] The reference signs include:

[0034] 1, machine table, 11, height adjustment groove, 2, conveying belt, 21, main roller, 22, driven wheel, 23, conveyor belt, 24, auxiliary roller, 25, roller support, 3, dust removal instrument, 31, support frame, 32, dust removal suction head, 33, sliding lifting seat, 34, height adjuster, 35, protective cover, 36, filter screen, 4, hold down roller, 41, adjustment knob, 5, gravity pressure roller group, 51, adjustment frame, 511, movable groove, 52, first pressure roller, 521, adjustment knob, 53, second pressure roller, 54, movable plate, 541, sliding block, 55, adjusting rod, 56, infrared detector. DETAILED DESCRIPTION

[0035] The utility model is described in detail below in combination with the drawings.

[0036] Referring to Figures 1 to 2 The utility model discloses a kind of feeding device for printing, including machine table 1, conveying belt 2, dust removal instrument 3, hold down roller 4 and gravity pressure roller group 5,

[0037] Conveying belt 2 is rotationally arranged on machine table 1 and is used for conveying printing material, and conveying belt 2 is used as the main conveying medium of printing material, and is continuously and stably rotated on machine table 1 by motor driving. This design utilizes the friction between conveying belt 2 and printing material, realizing the continuous conveying of printing material. It ensures that printing material can be quickly and accurately conveyed from one end to the other end, improving the overall efficiency of the printing production line.

[0038] Dust removal instrument 3 is arranged above conveying belt 2 and is used for dust removal, and dust removal instrument 3 uses the principle of airflow or static electricity to perform dust removal treatment on the surface of printing material. When printing material passes below dust removal instrument 3, dust removal instrument 3 will suck airflow or static electricity to remove dust, paper scraps and other impurities on the surface of printing material. This effectively removes impurities on the surface of printing material, ensuring the cleanliness of printing material and thus improving the quality of printed products and reducing printing defects caused by impurities

[0039] The gravity roller group 5 is arranged on one side of the conveying belt 2 and is used to convey the printing material. The gravity roller group 5 uses gravity to moderately press the printing material, ensuring that the printing material remains stable during conveying.

[0040] The design of the gravity roller group 5 ensures that the printing material does not deviate or wrinkle on the conveying belt 2 due to excessive speed or uneven tension. This guarantees the stable conveying of the printing material and avoids printing quality problems caused by uneven printing material.

[0041] The holding roller 4 is arranged on one side of the conveying belt 2 near the gravity roller group 5 and is used to hold the printing material to control the tension and conveying speed of the printing material. The holding roller 4 precisely controls the tension and conveying speed of the printing material by adjusting the pressure on the printing material. The cooperation of the holding roller 4 and the gravity roller group 5 ensures that the printing material maintains stable tension and speed during conveying.

[0042] Precise control of the tension and conveying speed of the printing material avoids printing quality problems caused by uneven tension or speed fluctuations. At the same time, the arrangement of the holding roller 4 also enhances the stability of the printing material, making the conveying process more stable.

[0043] By integrating key components such as the conveying belt 2, dust removal instrument 3, gravity roller group 5, and holding roller 4, efficient, clean, and stable conveying of the printing material is achieved. This device not only improves the overall efficiency of the printing production line but also enhances the quality of the printed products.

[0044] Referring to Figure 2 The conveying belt 2 of the present embodiment includes a main roller 21, a driven roller 22, a conveyor belt 23, an auxiliary roller 24, and a roller support 25,

[0045] The main roller 21 and the driven roller 22 are respectively rotated on the machine table 1, and the main roller 21 and the driven roller 22 are rotated on the machine table 1 as the driving and supporting core of the conveyor belt 23. It provides continuous and stable driving force to ensure the smooth operation of the conveyor belt 23 and improves the conveying efficiency.

[0046] The conveyor belt 23 is arranged between the main roller 21 and the driven roller 22, and the conveyor belt 23 is arranged between the main roller 21 and the driven roller 22 to form a closed loop structure and move with the rollers. It realizes the continuous conveying of the printing material, improves the overall efficiency of the production line, and ensures the smoothness of the printing process.

[0047] The roller support 25 is arranged in the middle of the conveyor belt 23, and the roller support 25 is arranged in the middle of the conveyor belt 23 as an auxiliary support structure. It enhances the stability of the conveyor belt 23, prevents sagging or deformation, and improves the conveying precision.

[0048] The auxiliary roller 24 is rotatably arranged on the roller support 25. The auxiliary roller 24 is in contact with the conveying belt 23 to reduce friction. This further enhances the stability of the conveying belt 23, reduces wear and tear, and prolongs the service life of the equipment.

[0049] Referring to Figure 2 As shown, the pressure roller 4 of the present embodiment is arranged above the driven wheel 22, and the conveying belt 23 is pressed between the pressure roller 4 and the driven wheel 22. The arrangement of the pressure roller 4 effectively enhances the stability of the conveying belt 23, prevents the substrate from shifting or shaking during transportation, and improves the transportation accuracy.

[0050] By adjusting the pressure of the pressure roller 4 on the conveying belt 23, the tension and transportation speed of the substrate can be accurately controlled, ensuring that the substrate enters the printing equipment at a constant speed and tension, avoiding printing quality problems.

[0051] Referring to Figure 2 As shown, the dust removal device 3 of the present embodiment includes a support frame 31, a dust removal suction head 32, a sliding lifting seat 33, and a height adjuster 34.

[0052] The support frame 31 is arranged on the machine table 1 and suspended above the conveying belt 2. The support frame 31 is stably mounted on the machine table 1 and designed to be suspended above the conveying belt 2. Such a layout ensures that the dust removal device 3 can directly act on the articles on the conveying belt 2, effectively capturing and removing dust.

[0053] This design enables the dust removal device 3 to efficiently remove dust from the articles without interfering with the normal operation of the conveying belt 2, improving the cleanliness of the production line and the quality of the products.

[0054] The dust removal suction head 32 is fixed to the sliding lifting seat 33. The dust removal suction head 32 is connected to the sliding lifting seat 33 through a fixing device and moves with the lifting rod.

[0055] This connection ensures that the dust removal suction head 32 can flexibly adjust its working position to adapt to articles of different heights. By adjusting the height of the dust removal suction head 32, this design can ensure the consistency and comprehensiveness of the dust removal effect, regardless of the height of the articles, and can achieve thorough dust removal.

[0056] The sliding lifting seat 33 is slidingly connected to the support frame 31. A sliding connection mechanism is adopted between the sliding lifting seat 33 and the support frame 31, allowing the lifting rod to freely slide along the height direction of the support frame 31. This connection provides the lifting rod with the freedom of movement in the vertical direction.

[0057] This design allows the dust removal instrument 3 to easily adapt to different height requirements, improving the flexibility and applicability of the equipment. At the same time, the stability of the sliding connection ensures the stability and accuracy of the dust removal suction head 32 during movement.

[0058] The height adjuster 34 drives the sliding lifting seat 33 to slide and lift along the height direction of the support frame 31. The height adjuster 34 provides power to the sliding lifting seat 33 through a driving mechanism such as a motor, air cylinder, etc., so that it can slide and lift along the height direction of the support frame 31. This driving mode realizes precise control of the height of the dust removal suction head 32.

[0059] The precise control of the height adjuster 34 allows the dust removal instrument 3 to adjust the height according to the dust removal needs of different items, ensuring the optimization of dust removal effect and the rational use of resources. At the same time, this design also improves the degree of automation and operation convenience of the equipment.

[0060] Referring to Figure 2 As shown, the sliding connection between the sliding lifting seat 33 and the support frame 31 is provided with a protective cover 35, which is designed and installed in the sliding connection area between the sliding lifting seat 33 and the support frame 31, forming a closed or semi-closed space to isolate and protect the sliding components. This design aims to prevent dust, debris and other impurities from entering the sliding connection, while reducing friction and wear.

[0061] The protective cover 35 effectively reduces the exposure and damage risk of the sliding components, prolonging the service life of the sliding lifting seat 33 and the support frame 31.

[0062] The dust removal suction head 32 is provided with an air suction fan, and the outlet end of the air suction fan is provided with a filter screen 36. The air suction fan is integrated into the dust removal suction head 32 or provided on the support frame 31, responsible for generating negative pressure to attract and collect dust.

[0063] The filter screen 36 is installed at the outlet end of the air suction fan to intercept and filter dust particles in the air sucked in, ensuring that the discharged air is clean and pollution-free.

[0064] Referring to Figure 2 As shown, the height adjustment groove 11 is provided at the rotating connection between the pressing roller 4 and the machine table 1, and the two ends of the pressing roller 4 are provided with adjustment knobs 41, which cooperate with the height adjustment groove 11 to adjust the height of the rotating connection between the pressing roller 4 and the machine table 1.

[0065] This design allows the pressing roller 4 to adjust the height in the vertical direction within a certain range, which utilizes the adjustability of the mechanical structure to achieve precise control of the height by changing the support point position of the pressing roller 4.

[0066] Referring to Figure 2As shown, the gravity roller set 5 of the present embodiment includes an adjusting frame 51, a first roller 52, a second roller 53, a movable plate 54, and an adjusting rod 55,

[0067] The adjusting frame 51 is fixed to the machine table 1, and serves as the support structure of the entire gravity roller set 5. It is securely fixed to the machine table 1 by fasteners or other connection means. This design ensures the stability and reliability of the gravity roller set 5 during operation.

[0068] The adjusting frame 51 provides a solid support for the first roller 52 and the second roller 53, ensuring the stability and accuracy of the roller set during the impression process.

[0069] The first roller 52 is rotatably arranged at the lower part of the adjusting frame 51. It is mounted at the lower part of the adjusting frame 51 by bearings or other rotating devices, and can freely rotate around its own axis. This design allows the first roller 52 to closely contact the printing substrate and transmit pressure during the impression process.

[0070] The second roller 53 is rotatably arranged at the movable plate 54. It is also mounted at the movable plate 54 by bearings or other rotating devices, and can adjust its position with the movement of the movable plate 54. This design allows the second roller 53 to adjust its height according to the thickness or type of the printing substrate, to adapt to different impression requirements.

[0071] The movable arrangement of the second roller 53 allows the roller set to adapt to different thicknesses or types of printing substrates, improving the flexibility and applicability of the equipment.

[0072] The movable plate 54 is slidably arranged at the upper part of the adjusting frame 51. It is mounted at the upper part of the adjusting frame 51 by sliding rails or other sliding devices, and can freely slide along the height direction of the adjusting frame 51. This design allows the movable plate 54 to drive the second roller 53 to adjust its height.

[0073] The adjusting rod 55 is threadedly connected with the movable plate 54 and is used to drive the movable plate 54 to rise or fall along the height direction of the adjusting frame 51. When the adjusting rod 55 rotates, the movable plate 54 will rise or fall along the height direction of the adjusting frame 51 due to the transmission effect of the thread. This design provides a precise and reliable height adjustment method.

[0074] The threaded connection of the adjusting rod 55 allows the height of the movable plate 54 to be accurately adjusted to meet different impression requirements.

[0075] Referring to Figure 2As shown, the adjusting frame 51 of the present embodiment is provided with a movable slot 511, and the movable plate 54 is provided with a sliding block 541 which is in sliding connection with the sliding block 541. The movable slot 511 is specially designed on the adjusting frame 51 to ensure that the sliding block 541 can slide smoothly and stably therein while maintaining the necessary stability and guidance.

[0076] The movable slot 511 provides a clear sliding path for the sliding block 541, ensuring that the movable plate 54 does not deviate from the predetermined trajectory during adjustment, maintaining the accuracy and stability of the adjustment.

[0077] Referring to Figure 2 As shown, one side of the first compression roller 52 of the present embodiment is provided with an adjusting knob 521 for adjusting the rotational resistance between the first compression roller 52 and the adjusting frame 51.

[0078] The adjusting knob 521 is connected to the shaft of the first compression roller 52 by screwing. Rotating the adjusting knob 521 changes the friction between the first compression roller 52 and the adjusting frame 51, thereby adjusting the resistance experienced by the first compression roller 52 when rotating. By changing the pressure of the contact surface to change the friction, the rotational resistance is adjusted.

[0079] By rotating the adjusting knob 521, the contact pressure between the first compression roller 52 and the adjusting frame 51 can be finely adjusted, thereby accurately controlling the size of the rotational resistance.

[0080] Referring to Figure 2 Figure 2 As shown, the movable plate 54 of the present embodiment is provided with an infrared detector 56 for detecting the distance between the second compression roller 53 and the printing substrate. The infrared detector 56 can continuously emit and receive infrared light, and can monitor the distance change between the second compression roller 53 and the printing substrate in real time.

[0081] The real-time monitoring function ensures accurate control of the distance during the printing process, avoiding problems with the printing quality caused by improper distance.

[0082] The above content is only a preferred embodiment of the present application. For those skilled in the art, according to the idea of the present application, the specific implementation and application range will be changed, and the content of the specification should not be understood as a limitation of the present application.

Claims

1. A feeder device for printing, characterized in that, Including machine table (1), conveying belt (2), dust removal instrument (3), pressure holding roller (4) and gravity pressure roller group (5), The conveying belt (2) is rotatably arranged on the machine table (1) and used for conveying the printing material of the conveying belt (2); The dust removal instrument (3) is arranged above the conveying belt (2) and used for dust removal; The gravity pressure roller group (5) is arranged on one side of the conveying belt (2) and used for conveying the printing material; The pressure holding roller (4) is arranged on one side of the conveying belt (2) close to the gravity pressure roller group (5) and used for pressing the printing material to control the tension and conveying speed of the printing material.

2. A feeder for printing according to claim 1, characterized in that The conveying belt (2) comprises a main roller (21), a driven roller (22), a transmission belt (23), an auxiliary roller (24) and a roller support (25), The main roller (21) and the driven roller (22) are rotatably arranged on the machine table (1), the transmission belt (23) is sleeved between the main roller (21) and the driven roller (22), the roller support (25) is arranged at the middle part of the transmission belt (23), and the auxiliary roller (24) is rotatably arranged on the roller support (25).

3. A feeder for printing according to claim 2, wherein The pressure holding roller (4) is arranged above the driven roller (22), and the transmission belt (23) is pressed between the pressure holding roller (4) and the driven roller (22).

4. A feeder for printing according to claim 1, wherein The dust removal instrument (3) comprises a support frame (31), a dust removal suction head (32), a sliding lifting seat (33) and a height adjuster (34); The support frame (31) is arranged on the machine table (1) and hung above the conveying belt (2); The dust removal suction head (32) is fixed to the sliding lifting seat (33); The sliding lifting seat (33) is slidably connected with the support frame (31); The height adjuster (34) drives the sliding lifting seat (33) to slide and lift along the height direction of the support frame (31).

5. A feeder for printing according to claim 4, wherein A protective cover (35) is arranged at the sliding connection position of the sliding lifting seat (33) and the support frame (31); The dust removal suction head (32) is provided with an air suction fan, and the outlet end of the air suction fan is provided with a filter screen (36).

6. A feeder for printing according to claim 1, wherein The pressure holding roller (4) is rotatably connected with the machine table (1) and provided with a height adjusting groove (11), and the two ends of the pressure holding roller (4) are provided with adjusting knobs (41), so that the height of the pressure holding roller (4) rotatably connected with the machine table (1) is adjusted by the adjusting knobs (41) and the height adjusting groove (11).

7. A feeder for printing according to claim 1, wherein The gravity pressure roller group (5) comprises an adjusting frame (51), a first pressure roller (52), a second pressure roller (53), a movable plate (54) and an adjusting rod (55), The adjusting frame (51) is fixed to the machine table (1); The first pressure roller (52) is rotatably arranged at the lower part of the adjusting frame (51); The second pressure roller (53) is rotatably arranged on the movable plate (54); The movable plate (54) is slidably arranged at the upper part of the adjusting frame (51); The adjusting rod (55) is threadedly connected with the movable plate (54) and used for driving the movable plate (54) to ascend or descend along the height direction of the adjusting frame (51).

8. A feeder for printing according to claim 7, wherein The adjusting frame (51) is provided with a movable slot (511), and the movable plate (54) is provided with a sliding block (541) in sliding connection with the sliding block (541).

9. A feeder for printing according to claim 7 or 8, characterised in that, One side of the first compression roller (52) is provided with an adjusting knob (521) for adjusting the rotation resistance between the first compression roller (52) and the adjusting frame (51).

10. A feeder for printing according to claim 7 or 8, characterised in that, The movable plate (54) is provided with an infrared detector (56) for detecting the distance between the second compression roller (53) and the printing substrate.

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