Flatness detection device of full-automatic lower suction cup paper feeding flat-pressing flat-die cutting machine

Abstract

The utility model relates to the technical field of printing equipment, and discloses a flatness detection device of a full-automatic lower suction cup paper feeding flat-pressing flat-die cutting machine, which comprises a transmission frame and a bottom plate, a detection mechanism is arranged on the transmission frame, and a leveling mechanism is arranged on the bottom plate. The moving plate is lifted and moved by rotating the hand wheel, so that the height of the laser detector can be adjusted to be matched with the thickness of paper, laser beams penetrate through the paper and are received by the receiver, the processor analyzes received laser signals and judges whether the paper is wrinkled and deformed or not, the purpose of automatically detecting the flatness of the paper is achieved, manual intervention is reduced, and the production efficiency is improved. The production efficiency is improved; a motor is started, under transmission of a driving belt wheel, a belt and a driven belt wheel, a reciprocating lead screw rotates to drive a leveling roller to move in a reciprocating mode, the leveling roller rolls back and forth on paper to level unqualified paper, an anti-skid pad on a pressing plate can improve the stability of the paper, and the situation that the leveling effect is affected due to the fact that the paper shifts when being leveled is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of printing equipment, in particular to a flatness detection device for a full-automatic bottom-suction paper feeding flat-bed die-cutting machine. Background Technique

[0002] The full-automatic bottom-suction paper feeding flat-bed die-cutting machine is a highly efficient automatic device widely used in the printing and packaging industries. This machine usually includes integrated functions such as automatic paper feeding, positioning, die-cutting, and stacking, and can continuously perform precise die-cutting processing on paper or similar materials. To ensure the quality of the final product, the flatness of the paper before being fed into the die-cutting machine is crucial.

[0003] Although the full-automatic bottom-suction paper feeding flat-bed die-cutting machine has significant advantages in terms of efficiency and precision, traditional flatness detection mostly relies on mechanical rollers or sensors. These methods may have problems such as slow response speed, low detection accuracy, damage to materials, or inability to adapt to papers of different thicknesses and materials. In addition, traditional detection devices often cannot achieve real-time adjustment and require manual intervention, which increases the operation complexity and reduces the production efficiency. Therefore, a flatness detection device for a full-automatic bottom-suction paper feeding flat-bed die-cutting machine is needed. Content of the Utility Model

[0004] The purpose of the utility model is to provide a flatness detection device for a full-automatic bottom-suction paper feeding flat-bed die-cutting machine to solve the problems of traditional flatness detection methods, such as slow response speed, low detection accuracy, damage to materials, or inability to adapt to papers of different thicknesses and materials. At the same time, traditional detection devices cannot achieve real-time adjustment and require manual intervention, which increases the operation complexity and reduces the production efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flatness detection device of a fully automatic lower suction cup paper feeding flat die-cutting machine, comprising a transmission frame and a bottom plate, a detection mechanism is arranged on the transmission frame, and a leveling mechanism is arranged on the bottom plate; the detection mechanism comprises a first fixed frame, a second fixed frame and a movable plate, the first fixed frame and the second fixed frame are both provided with movable grooves, a screw rod is rotatably connected in the movable groove of the first fixed frame, a sliding rod is fixedly arranged in the movable groove of the second fixed frame, a ball nut and a sliding block are respectively fixedly arranged at both ends of the movable plate, the ball nut is threadedly connected to the screw rod, the sliding block is slidably connected to the sliding block, a laser detector is fixedly arranged at the bottom end of the movable plate, and the movable plate A processor connected to the laser detector signal is fixedly arranged on the moving plate; the leveling mechanism includes a lifting plate and a leveling roller, two pressure plates are fixedly arranged at the bottom end of the lifting plate, and an anti-slip pad is fixedly arranged at the bottom end of the pressure plate, both ends of the leveling roller are rotatably connected with connecting blocks, a reciprocating screw is rotatably connected between the two pressure plates, the connecting block of the leveling roller close to one end of the reciprocating screw is threadedly connected to the reciprocating screw, a motor is fixedly arranged on the lifting plate, a driving pulley is fixedly arranged on the rotating shaft of the motor, one end of the reciprocating screw rotatably passes through the pressure plate and is fixedly connected with a driven pulley, a belt is transmission-connected between the driving pulley and the driven pulley, and an avoidance groove for avoiding the belt is opened on the lifting plate.

[0006] Preferably, a transmission belt is provided on the transmission frame, a baffle is fixedly provided on the bottom plate, and a roller conveyor is provided inside the baffle.

[0007] Preferably, the first fixing frame and the second fixing frame are fixedly arranged at two ends of the transmission frame respectively, the top end of the screw rod rotatably passes through the movable groove of the first fixing frame and is fixedly connected to a handwheel, and the laser detector is composed of a laser transmitter and a laser receiver.

[0008] Preferably, a third fixing frame is fixedly provided at one end of the transmission frame close to the first fixing frame, a first electric push rod is fixedly provided on the third fixing frame, a push plate is fixedly provided on the push rod of the first electric push rod, and the push plate is located above the transmission belt.

[0009] Preferably, a material guide plate is fixedly arranged in the baffle plate, a mounting groove is opened on the baffle plate, a second electric push rod is fixedly arranged in the mounting groove, a stop plate is fixedly arranged on the push rod of the second electric push rod, a limiting slide rail slidably connected to the stop plate is fixedly arranged in the mounting groove, and the stop plate is located above the transmission belt.

[0010] Preferably, a support plate is fixedly arranged on the baffle plate, a top plate is fixedly arranged on the support plate, a hydraulic cylinder is fixedly arranged on the top plate, a hydraulic rod of the hydraulic cylinder slidably penetrates through the top plate and is fixedly connected with a lifting plate, a guide rod is fixedly arranged on the lifting plate, and a top end of the guide rod slidably penetrates through the top plate and extends above the top plate.

[0011] Preferably, a limiting rod is fixedly arranged between the two pressing plates, and a connecting block at one end of the flattening roller close to the limiting rod is slidably connected with the limiting rod.

[0012] Preferably, a third electric push rod is fixedly arranged on the bottom plate, a pushing plate is fixedly arranged on a push rod of the third electric push rod, and the pushing plate is slidably connected with the bottom plate.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1) For the flatness detection device of the full-automatic lower suction cup paper feeding flat-bed die-cutting machine, by rotating the handwheel to rotate the lead screw, the moving plate can be lifted and lowered, so that the height of the laser detector can be adjusted to adapt to the thickness of the paper. When the paper passes between the laser emitter and the laser receiver, the laser beam passes through the paper and is received by the receiver. The processor analyzes the received laser signal to judge whether the paper has wrinkles or deformations. If the flatness of the paper is qualified, the paper continues to be fed through the transmission belt. If the flatness of the paper does not meet the qualified standard, the second electric push rod is started to make the stop baffle extend to intercept the paper, and then the first electric push rod is started to make the push plate push the unqualified paper towards the bottom plate, thereby achieving the purpose of automatically detecting the flatness of the paper, reducing manual intervention, being simple and convenient to operate, and improving production efficiency.

[0015] 2) For the flatness detection device of the full-automatic lower suction cup paper feeding flat-bed die-cutting machine, by starting the hydraulic cylinder to make the lifting plate move downward until the pressing plate at the bottom of the lifting plate presses the paper, and then starting the motor, under the drive of the driving pulley, the belt and the driven pulley, the reciprocating lead screw starts to rotate, and the connecting block threadedly connected with the reciprocating lead screw can drive the flattening roller to move reciprocally, and the flattening roller can roll back and forth on the paper, thereby being able to flatten the unqualified paper. The anti-slip pad on the pressing plate can improve the stability of the paper and prevent the paper from shifting during flattening, affecting the flattening effect. Description of the Drawings

[0016] Figure 1 It is a three-dimensional structural schematic diagram of a flatness detection device of a full-automatic lower suction cup paper feeding flat-bed die-cutting machine in an embodiment of the present utility model;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of a detection mechanism in an embodiment of the present utility model;

[0018] Figure 3 Schematic cross-sectional structure diagram of the first fixing frame and the second fixing frame in the embodiment of the present utility model;

[0019] Figure 4 Schematic three-dimensional structure diagram of the bottom plate in the embodiment of the present utility model;

[0020] Figure 5 Schematic three-dimensional structure diagram of the lifting plate in the embodiment of the present utility model.

[0021] In the figure: 1, transmission frame; 2, transmission belt; 3, bottom plate; 4, baffle; 5, roller conveyor; 6, detection mechanism; 601, first fixing frame; 602, second fixing frame; 603, movable groove; 604, lead screw; 605, slide bar; 606, moving plate; 607, ball nut; 608, slider; 609, hand wheel; 610, laser detector; 611, processor; 612, third fixing frame; 613, first electric push rod; 614, push plate; 615, installation groove; 616, second electric push rod; 617, stop baffle; 618, limit slide rail; 619, guide plate; 7, leveling mechanism; 701, support plate; 702, top plate; 703, hydraulic cylinder; 704, lifting plate; 705, guide rod; 706, pressing plate; 707, anti-slip pad; 708, reciprocating lead screw; 709, limit rod; 710, connecting block; 711, leveling roller; 712, driven belt pulley; 713, motor; 714, driving belt pulley; 715, belt; 716, avoidance groove; 717, third electric push rod; 718, pushing plate. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] Embodiment 1

[0024] Combined with Figures 1 - 5 , a flatness detection device for a fully automatic lower suction cup paper feeding flat-bed die-cutting machine, including a transmission frame 1 and a bottom plate 3. A transmission belt 2 is arranged on the transmission frame 1, a baffle 4 is fixedly arranged on the bottom plate 3, a roller conveyor 5 is arranged in the baffle 4, a detection mechanism 6 is arranged on the transmission frame 1, and a leveling mechanism 7 is arranged on the bottom plate 3.

[0025] Refer to Figures 2 - 4, it is further obtained that the detection mechanism 6 includes a first fixing frame 601, a second fixing frame 602 and a moving plate 606. Activity grooves 603 are provided on both the first fixing frame 601 and the second fixing frame 602. A lead screw 604 is rotatably connected in the activity groove 603 of the first fixing frame 601, and a slide bar 605 is fixedly arranged in the activity groove 603 of the second fixing frame 602. Ball nuts 607 and sliders 608 are respectively fixedly arranged at both ends of the moving plate 606. The ball nut 607 is threadedly connected with the lead screw 604, and the slider 608 is slidably connected with the slide bar 605. A laser detector 610 is fixedly arranged at the bottom end of the moving plate 606, and a processor 611 signal-connected to the laser detector 610 is fixedly arranged on the moving plate 606; the first fixing frame 601 and the second fixing frame 602 are respectively fixedly arranged at both ends of the transmission frame 1. The top end of the lead screw 604 rotatably penetrates through the activity groove 603 of the first fixing frame 601 and is fixedly connected with a hand wheel 609. The laser detector 610 is composed of a laser emitter and a laser receiver. A third fixing frame 612 is fixedly arranged at one end of the transmission frame 1 close to the first fixing frame 601. A first electric push rod 613 is fixedly arranged on the third fixing frame 612. A push plate 614 is fixedly arranged on the push rod of the first electric push rod 613. The push plate 614 is located above the transmission belt 2. A material guiding plate 619 is fixedly arranged in the baffle 4. An installation groove 615 is provided on the baffle 4. A second electric push rod 616 is fixedly arranged in the installation groove 615. A stop baffle 617 is fixedly arranged on the push rod of the second electric push rod 616. A limit slide rail 618 slidably connected with the stop baffle 617 is fixedly arranged in the installation groove 615. The stop baffle 617 is located above the transmission belt 2.

[0026] Specifically, after the paper is cut by the full-automatic lower suction cup paper feeding flat-bed die cutter, it is discharged through the transmission belt 2. The moving plate 606 is adjusted according to the thickness of the paper. During adjustment, the hand wheel 609 is rotated to make the lead screw 604 rotate. Under the threaded action of the lead screw 604 and the ball nut 607, the moving plate 606 can move up and down under the limit guidance of the slider 608, so that the height of the laser detector 610 can be adjusted to adapt to the thickness of the paper. When the paper passes between the laser emitter and the laser receiver, the laser beam passes through the paper and is received by the receiver. The processor 611 analyzes the received laser signal to judge whether the paper has wrinkles or deformations. If the flatness of the paper is qualified, the paper continues to be fed through the transmission belt 2. If the flatness of the paper does not meet the qualified standard, the second electric push rod 616 is started to make the stop baffle 617 extend out to intercept the paper. Then the first electric push rod 613 is started to make the push plate 614 push the unqualified paper towards the bottom plate 3, and the paper is conveyed to the bottom plate 3 under the diversion of the material guiding plate 619.

[0027] Embodiment 2

[0028] Refer to Figure 4 andFigure 5 , it is further obtained that the leveling mechanism 7 includes a lifting plate 704 and leveling rollers 711. Two pressing plates 706 are fixedly arranged at the bottom end of the lifting plate 704. An anti-slip pad 707 is fixedly arranged at the bottom end of the pressing plate 706. Connecting blocks 710 are rotatably connected to both ends of the leveling roller 711. A reciprocating lead screw 708 is rotatably connected between the two pressing plates 706. The connecting block 710 at one end of the leveling roller 711 close to the reciprocating lead screw 708 is threadedly connected to the reciprocating lead screw 708. A motor 713 is fixedly arranged on the lifting plate 704. A driving pulley 714 is fixedly arranged on the rotating shaft of the motor 713. One end of the reciprocating lead screw 708 rotatably penetrates through the pressing plate 706 and is fixedly connected to a driven pulley 712. A belt 715 is drivingly connected between the driving pulley 714 and the driven pulley 712. An avoidance groove 716 for avoiding the belt 715 is formed on the lifting plate 704; A support plate 701 is fixedly arranged on the baffle 4. A top plate 702 is fixedly arranged on the support plate 701. A hydraulic cylinder 703 is fixedly arranged on the top plate 702. The hydraulic rod of the hydraulic cylinder 703 slidably penetrates through the top plate 702 and is fixedly connected to the lifting plate 704. A guide rod 705 is fixedly arranged on the lifting plate 704. The top end of the guide rod 705 slidably penetrates through the top plate 702 and extends above the top plate 702. A limiting rod 709 is fixedly arranged between the two pressing plates 706. The connecting block 710 at one end of the leveling roller 711 close to the limiting rod 709 is slidably connected to the limiting rod 709. A third electric push rod 717 is fixedly arranged on the bottom plate 3. A pushing plate 718 is fixedly arranged on the push rod of the third electric push rod 717. The pushing plate 718 is slidably connected to the bottom plate 3.

[0029] Specifically, start the hydraulic cylinder 703 to move the lifting plate 704 downward until the pressing plate 706 at the bottom of the lifting plate 704 presses the paper. Then start the motor 713. Driven by the driving pulley 714, the belt 715 and the driven pulley 712, the reciprocating lead screw 708 starts to rotate. The connecting block 710 threadedly connected to the reciprocating lead screw 708 can drive the leveling roller 711 to move reciprocally. The leveling roller 711 can roll back and forth on the paper, so as to level the unqualified paper. The anti-slip pad 707 on the pressing plate 706 can improve the stability of the paper and prevent the paper from shifting during leveling, affecting the leveling effect. After the paper is leveled, the hydraulic cylinder 703 drives the lifting plate 704 to reset. Then the third electric push rod 717 is started so that the pushing plate 718 can push the leveled paper onto the roller conveyor 5 for continuous conveying.

[0030] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flatness detection device for a fully automatic lower suction cup paper feeding flat die-cutting machine, comprising a transmission frame (1) and a bottom plate (3), characterized in that: The transmission frame (1) is provided with a detection mechanism (6), and the bottom plate (3) is provided with a leveling mechanism (7); The detection mechanism (6) comprises a first fixed frame (601), a second fixed frame (602) and a movable plate (606), wherein the first fixed frame (601) and the second fixed frame (602) are both provided with a movable groove (603), a screw rod (604) is rotatably connected in the movable groove (603) of the first fixed frame (601), a sliding rod (605) is fixedly arranged in the movable groove (603) of the second fixed frame (602), a ball nut (607) and a sliding block (608) are respectively fixedly arranged at both ends of the movable plate (606), the ball nut (607) is threadedly connected to the screw rod (604), the sliding block (608) is slidably connected to the sliding block (605), a laser detector (610) is fixedly arranged at the bottom end of the movable plate (606), and a processor (611) connected to the signal of the laser detector (610) is fixedly arranged on the movable plate (606); The leveling mechanism (7) comprises a lifting plate (704) and a leveling roller (711); two pressing plates (706) are fixedly provided at the bottom end of the lifting plate (704); an anti-skid pad (707) is fixedly provided at the bottom end of the pressing plate (706); both ends of the leveling roller (711) are rotatably connected with a connecting block (710); a reciprocating screw (708) is rotatably connected between the two pressing plates (706); a connecting block (710) at one end of the leveling roller (711) close to the reciprocating screw (708) is connected to the reciprocating screw ( 708) is threadedly connected, a motor (713) is fixedly arranged on the lifting plate (704), a driving pulley (714) is fixedly arranged on the rotating shaft of the motor (713), one end of the reciprocating screw rod (708) rotatably penetrates the pressure plate (706) and is fixedly connected to a driven pulley (712), a belt (715) is transmission-connected between the driving pulley (714) and the driven pulley (712), and an avoidance groove (716) for avoiding the belt (715) is opened on the lifting plate (704).

2. The flatness detection device of the fully automatic lower suction cup paper feeding flat die-cutting machine according to claim 1 is characterized in that: A transmission belt (2) is arranged on the transmission frame (1), a baffle (4) is fixedly arranged on the bottom plate (3), and a roller conveyor (5) is arranged inside the baffle (4).

3. The flatness detection device of the fully automatic lower suction cup paper feeding flat die-cutting machine according to claim 1 is characterized in that: The first fixed frame (601) and the second fixed frame (602) are respectively fixedly arranged at two ends of the transmission frame (1); the top end of the screw rod (604) rotatably passes through the movable groove (603) of the first fixed frame (601) and is fixedly connected to a hand wheel (609); and the laser detector (610) is composed of a laser transmitter and a laser receiver.

4. The flatness detection device of the fully automatic lower suction cup paper feeding flat die-cutting machine according to claim 2 is characterized by: A third fixing frame (612) is fixedly arranged at one end of the transmission frame (1) close to the first fixing frame (601), a first electric push rod (613) is fixedly arranged on the third fixing frame (612), a push plate (614) is fixedly arranged on the push rod of the first electric push rod (613), and the push plate (614) is located above the transmission belt (2).

5. The flatness detection device of the fully automatic lower suction cup paper feeding flat die-cutting machine according to claim 2 is characterized in that: A material guide plate (619) is fixedly arranged in the baffle plate (4), a mounting groove (615) is provided on the baffle plate (4), a second electric push rod (616) is fixedly arranged in the mounting groove (615), a stop plate (617) is fixedly arranged on the push rod of the second electric push rod (616), a limiting slide rail (618) slidably connected to the stop plate (617) is fixedly arranged in the mounting groove (615), and the stop plate (617) is located above the transmission belt (2).

6. The flatness detection device of the fully automatic lower suction cup paper feeding flat die-cutting machine according to claim 2 is characterized by: A support plate (701) is fixedly arranged on the baffle (4), a top plate (702) is fixedly arranged on the support plate (701), a hydraulic cylinder (703) is fixedly arranged on the top plate (702), a hydraulic rod of the hydraulic cylinder (703) slides through the top plate (702) and is fixedly connected to the lifting plate (704), a guide rod (705) is fixedly arranged on the lifting plate (704), and the top end of the guide rod (705) slides through the top plate (702) and extends to the top of the top plate (702).

7. The flatness detection device of the fully automatic lower suction cup paper feeding flat die-cutting machine according to claim 1 is characterized by: A limiting rod (709) is fixedly arranged between the two pressing plates (706), and a connecting block (710) of the leveling roller (711) close to one end of the limiting rod (709) is slidably connected to the limiting rod (709).

8. The flatness detection device of the fully automatic lower suction cup paper feeding flat die-cutting machine according to claim 1 is characterized by: A third electric push rod (717) is fixedly arranged on the bottom plate (3), a push plate (718) is fixedly arranged on the push rod of the third electric push rod (717), and the push plate (718) is slidably connected to the bottom plate (3).

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