Paper printing adsorption mechanism

Abstract

The utility model belongs to the technical field of paper printing, and discloses a paper printing adsorption mechanism which comprises a supporting frame, a conveying belt is installed at the top end of the supporting frame, two fixing plates are installed on the two sides of the top end of the supporting frame respectively, and the two fixing plates are jointly provided with an adsorption assembly and a centering mechanism. The adsorption assembly comprises a telescopic air cylinder, one end of the telescopic air cylinder is fixedly connected with one fixing plate, the output end of the telescopic air cylinder is fixedly connected with a lifting rod, one end of the lifting rod is slidably connected with one fixing plate, and the top end of the lifting rod is slidably connected with a moving block. Through the arrangement of the adsorption assembly, under the action that the telescopic air cylinder drives the long rod to slide along the arc-shaped groove, the transverse rod and the vacuum suction cups below the transverse rod can accurately adsorb paper to the conveying belt and convey the paper, the accuracy and stability of paper adsorption are improved, and a foundation is laid for high-quality printing.

Description

TECHNICAL FIELD

[0001] The utility model belongs to paper printing technical field, and specifically is a paper printing adsorption mechanism. BACKGROUND

[0002] In modern printing industry, paper printing is a very important link, and its quality directly affects the final presentation effect of printed matter. As a key component to ensure the stable positioning and transmission of paper during printing, the paper printing adsorption mechanism plays an irreplaceable role.

[0003] At the same time, the patent specification with the application number CN219650825U discloses a paper printing adsorption mechanism, which comprises a bottom plate, a conveyor belt arranged on the top of the bottom plate, a suction fan fixedly connected to the top of the bottom plate, a suction accessory arranged on the outer side of the conveyor belt, a filter arranged on one side of the suction fan, a transmission member arranged on one side of the filter, a cleaning roller and a limiting member arranged above the conveyor belt respectively, brush hairs arranged on the outer side of the cleaning roller, and a box body arranged on the outer side of the conveyor belt.

[0004] Most of the existing paper printing adsorption mechanisms lack flexible adjustment mechanism, and it is difficult to accurately perform adsorption operation according to the height of the paper, which leads to the position deviation of the paper during the adsorption process, and the paper cannot be accurately conveyed to the printing station, which affects the printing precision. On the other hand, most of the existing equipment do not have efficient centering mechanism, and the paper is easy to deviate on the conveying belt, which cannot guarantee the correct printing position of the paper, thereby reducing the printing quality and production efficiency.

[0005] Therefore, a paper printing adsorption mechanism is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0006] To solve the problems proposed in the above background technology, the utility model provides a paper printing adsorption mechanism, which improves the accuracy and stability of paper adsorption, lays a foundation for high-quality printing, improves the printing quality and production efficiency, and meets the needs of large-scale, high-precision printing production.

[0007] In order to achieve the above object, the utility model provides following technical scheme: a paper printing adsorption mechanism, including support frame, the top of support frame is installed with conveyer belt, both sides of support frame top all are installed with two fixed plate, two fixed plate common installation has adsorption component and centering mechanism, adsorption component includes telescopic pneumatic cylinder, one end of telescopic pneumatic cylinder is fixedly connected with one of fixed plate, the output of telescopic pneumatic cylinder is fixedly connected with lifting rod, one end of lifting rod is slidably connected with one of fixed plate, the top of lifting rod is slidably connected with moving block, one end of moving block is fixedly sleeved with long rod, the inner surface of two fixed plate all is set through arc -shaped groove, the both sides of long rod's outer surface are slidably connected with two arc -shaped grooves respectively, the outer surface of long rod is fixedly sleeved with cross bar, one end of cross bar is fixedly connected with two telescopic outer rods, the upper inner wall of two telescopic outer rods is all fixedly connected with spring, and the inner surface of two telescopic outer rods is slidably connected with telescopic inner rod, the top of two telescopic inner rods is fixedly connected with two springs respectively, and the bottom of two telescopic inner rods is all fixedly connected with vacuum chuck.

[0008] Preferably, the top of the lifting rod is provided with a guide groove, and the bottom of the moving block is fixedly connected with a guide block matched with the guide groove.

[0009] Preferably, the outer surfaces of the two telescopic inner rods are fixedly connected with two limiting blocks, and the inner surfaces of the two telescopic outer rods are provided with limiting grooves matched with the two limiting blocks.

[0010] Preferably, one end of each of the two fixed plates is fixedly connected with a separation brush.

[0011] Preferably, the centering mechanism comprises a bidirectional screw rod installed between the two fixed plates, one end of one of the fixed plates is fixedly connected with a driving motor, the output end of the driving motor penetrates through the corresponding fixed plate and is fixedly connected with the bidirectional screw rod, the outer surface of the bidirectional screw rod is provided with different direction threads, and each thread is threadedly sleeved with a sliding block, the bottom end of each of the two sliding blocks is fixedly connected with an adjusting plate, and the bottom ends of the two adjusting plates are jointly attached to the top of the conveyer belt.

[0012] Preferably, one end of each of the two adjusting plates is arc-shaped, and the two adjusting plates are mirror-image distributed.

[0013] Preferably, one end of each of the two fixed plates is fixedly connected with a sliding rod, and the two sliding blocks are slidably connected with the sliding rod, and the cross section of the sliding rod is rectangular.

[0014] Compared with the prior art, the utility model has the beneficial effects as follows:

[0015] 1. The utility model discloses a setting adsorption subassembly, under the action that telescopic pneumatic cylinder drives long rod along arc -shaped groove sliding, make that cross bar and below's vacuum chuck can accurately adsorb paper to conveyer belt and carry on conveying, improve the accuracy and stability of paper adsorption, lay the foundation for high -quality printing.

[0016] 2. The utility model discloses a setting centering mechanism, under the action that drive motor drives two sliders to move towards or away from when screw rod rotates, thereby drive the adjusting plate of bottom end to carry out centering operation to the paper on conveyer belt, this automatic centering function can correct the deviation of paper in the transmission process in time, guarantee paper always at correct printing position, improve printing quality and production efficiency, satisfy the demand of large -scale, high -precision printing production. DRAWINGS

[0017] Figure 1 It is whole structure schematic view of the utility model;

[0018] Figure 2 It is adsorption subassembly structure schematic view of the utility model;

[0019] Figure 3 It is the utility model Figure 2 centering mechanism structure schematic view of A place;

[0020] Figure 4 It is telescopic outer pole section structure schematic view of the utility model;

[0021] Figure 5 It is centering structure schematic view of the utility model.

[0022] In the drawing: 1, support frame; 2, fixed plate; 3, separate brush;

[0023] Adsorption subassembly; 41, telescopic pneumatic cylinder; 411, guide groove; 412, lifting rod; 413, long rod; 414, moving block; 415, guide block; 42, telescopic outer pole; 421, vacuum chuck; 422, telescopic inner pole; 423, limit slot; 424, spring; 425, limit block; 43, cross bar; 44, arc -shaped groove;

[0024] 5, centering mechanism; 51, drive motor; 52, bidirectional screw rod; 53, slider; 54, slide rod; 55, adjusting plate; 6, conveyer belt. DETAILED DESCRIPTION

[0025] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0026] As shown in Figures 1 to 5 The utility model provides a paper printing adsorption mechanism, including support frame 1, support frame 1's top end is installed with conveyer belt 6, and the both sides of support frame 1 top are all installed with two fixed plate 2, and two fixed plate 2 are jointly installed with adsorption subassembly 4 and centering mechanism 5.

[0027] Adsorption subassembly 4 includes telescopic cylinder 41, and one end of telescopic cylinder 41 is fixedly connected with one of fixed plate 2, and the output end of telescopic cylinder 41 is fixedly connected with lifting rod 412, and one end of lifting rod 412 is slidably connected with one of fixed plate 2, and the top end of lifting rod 412 is slidably connected with moving block 414, and one end of moving block 414 is fixedly sleeved with long rod 413, and the inner surface of two fixed plate 2 is all set up with through type arc slot 44, and the both sides of the outer surface of long rod 413 are slidably connected with two arc slots 44 respectively, and the outer surface of long rod 413 is fixedly sleeved with cross bar 43, and the sliding connection of moving block 414 and lifting rod 412 and the sliding fit of long rod 413 and arc slot 44 make cross bar 43 can move according to predetermined trajectory in the lifting process, guarantee that vacuum chuck 421 accurately reaches the top of paper, and one end of cross bar 43 is fixedly connected with two telescopic outer rods 42, and the upper inner wall of two telescopic outer rods 42 is all fixedly connected with spring 424, and the inner surface of two telescopic outer rods 42 is slidably connected with telescopic inner rod 422, and the top end of two telescopic inner rods 422 is fixedly connected with two springs 424 respectively, and the bottom end of two telescopic inner rods 422 is all fixedly connected with vacuum chuck 421, and the design of telescopic outer rod 42, telescopic inner rod 422 and spring 424 makes vacuum chuck 421 have certain elastic buffering capacity, can closely adsorb paper, and also can avoid damaging paper due to adsorption force being too large.

[0028] Specifically, the top end of lifting rod 412 is provided with guide groove 411, and the bottom end of moving block 414 is fixedly connected with guide block 415 used in cooperation with guide groove 411, and the cooperation of guide groove 411 and guide block 415 further improves the stability and accuracy of moving block 414 sliding on lifting rod 412, guarantees the stability of adsorption subassembly 4 in the movement process, thereby improving the reliability of adsorbing paper.

[0029] As shown in Figures 1 to 5As shown, the outer surface of the two telescopic inner rods 422 is fixedly connected with two limiting blocks 425, and the inner surface of the two telescopic outer rods 42 is provided with limiting grooves 423 matched with the two limiting blocks 425, which limits the sliding stroke of the telescopic inner rod 422 in the telescopic outer rod 42, prevents the telescopic inner rod 422 from overextending or retracting, plays a role in protecting the spring 424 and the vacuum chuck 421, and prolongs the service life of the adsorption assembly 4.

[0030] Further, one end of the two fixed plates 2 is fixedly connected with a separation brush 3, which can separate the paper that may be stuck together during paper conveying, avoid multiple papers being adsorbed at the same time, and improve the accuracy of paper adsorption and printing.

[0031] As shown in the figure, Figures 1 to 5 The centering mechanism 5 includes a bidirectional screw rod 52 installed between the two fixed plates 2, one end of one of the two fixed plates 2 is fixedly connected with a driving motor 51, the output end of the driving motor 51 penetrates through the corresponding fixed plate 2 and is fixedly connected with the bidirectional screw rod 52, the outer surface of the bidirectional screw rod 52 is provided with different direction threads, and the threads are threadedly connected with sliding blocks 53, the bottom end of each of the two sliding blocks 53 is fixedly connected with an adjusting plate 55, the bottom end of each of the two adjusting plates 55 is in contact with the top end of the conveyor belt 6, the driving motor 51 drives the bidirectional screw rod 52 to rotate, so that the two sliding blocks 53 can move towards or away from each other, and then drive the adjusting plate 55 to adjust the paper on the conveyor belt 6 to the center, so as to ensure that the paper is in the correct position during printing and improve the printing quality.

[0032] It is worth noting that one end of each of the two adjusting plates 55 is arc-shaped, and the two adjusting plates 55 are mirror images, the arc-shaped adjusting plate 55 can better fit the edge of the paper and guide the paper during centering, reducing damage to the edge of the paper, and the mirror image design ensures the symmetry and accuracy of the centering adjustment of the paper.

[0033] As shown in the figure, Figures 1 to 5 One end of each of the two fixed plates 2 is fixedly connected with a sliding rod 54, and the two sliding blocks 53 are in sliding connection with the sliding rod 54, the cross section of the sliding rod 54 is rectangular, the sliding rod 54 provides guidance for the movement of the sliding block 53, ensures the sliding block 53 to move stably and linearly under the drive of the bidirectional screw rod 52, and the rectangular cross section can prevent the sliding block 53 from rotating during movement, improving the stability of the work of the centering mechanism 5.

[0034] The telescopic air cylinder 41 and the driving motor 51 are prior art, and will not be described herein again; meanwhile, the utility model also comprises a power supply, a controller and a switch, which are not the main technical points of the patent, and will not be described herein again. The wiring diagram of the motor in the utility model is common knowledge in the art, and its working principle is a well-known technology. The model is selected according to actual use, so the control mode and wiring arrangement of the motor will not be explained in detail.

[0035] Working principle and process: when paper adsorption and conveying is to be performed, the telescopic air cylinder 41 is started, the lifting rod 412 is pushed to slide downwards along the fixed plate 2, the cooperation of the lifting rod 412 top end guide groove 411 and the moving block 414 bottom end guide block 415 makes the moving block 414 and the long rod 413 descend, the long rod 413 two ends slide and swing in the arc-shaped groove 44, and the vacuum chuck 421 is aligned with the paper. After contacting the paper, the vacuum chuck 421 is opened to adsorb, the telescopic inner rod 422 slides in the telescopic outer rod 42, the spring 424 is buffered, the limiting block 425 cooperates with the limiting groove 423 to prevent disengagement, and the separating brush 3 separates the adhered paper. After adsorption is completed, the telescopic air cylinder 41 is reversely operated, the lifting rod 412 is lifted, the long rod 413 continues to slide in the arc-shaped groove 44, the paper is moved to above the conveying belt 6, the adsorption function is closed, the paper falls on the conveying belt 6 and is conveyed by the conveying belt 6, when the paper reaches the centering mechanism 5 position, the driving motor 51 drives the bidirectional screw rod 52 to rotate, so that the two sliding blocks 53 move in different directions along the screw rod, the sliding block 53 linearly slides under the guidance of the slide rod 54, and the bottom end adjusting plate 55 also moves, the adjusting plate 55 is arc-shaped and mirror image distributed at one end, and adjusts the paper to the middle of the conveying belt 6 when passing, so that the centering is completed, and the subsequent printing accuracy is ensured.

[0036] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0037] Although the embodiments of the utility model have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A paper printing and suction mechanism comprising a support frame (1), characterized in that: The top end of the support frame (1) is provided with a conveying belt (6), and both sides of the top end of the support frame (1) are provided with two fixed plates (2), and the two fixed plates (2) are jointly provided with an adsorption assembly (4) and a centering mechanism (5). The adsorption assembly (4) comprises a telescopic air cylinder (41), one end of the telescopic air cylinder (41) is fixedly connected with one of the fixed plates (2), the output end of the telescopic air cylinder (41) is fixedly connected with a lifting rod (412), one end of the lifting rod (412) is slidingly connected with one of the fixed plates (2), the top end of the lifting rod (412) is slidingly connected with a moving block (414), one end of the moving block (414) is fixedly sleeved with an elongated rod (413), the inner surfaces of the two fixed plates (2) are both provided with through-type arc-shaped grooves (44), the outer surfaces of the two elongated rods (413) are respectively slidingly connected with the two arc-shaped grooves (44), the outer surface of the elongated rod (413) is fixedly sleeved with a cross rod (43), one end of the cross rod (43) is fixedly connected with two telescopic outer rods (42), the upper inner walls of the two telescopic outer rods (42) are both fixedly connected with springs (424), and the inner surfaces of the two telescopic outer rods (42) are both slidingly connected with telescopic inner rods (422), the top ends of the two telescopic inner rods (422) are respectively fixedly connected with the two springs (424), and the bottom ends of the two telescopic inner rods (422) are both fixedly connected with vacuum suction cups (421).

2. A paper printing and absorbing mechanism according to claim 1, characterized in that: The top end of the lifting rod (412) is provided with a guide groove (411), and the bottom end of the moving block (414) is fixedly connected with a guide block (415) matched with the guide groove (411).

3. A paper printing and absorbing mechanism according to claim 1, characterized in that: The outer surfaces of the two telescopic inner rods (422) are both fixedly connected with two limiting blocks (425), and the inner surfaces of the two telescopic outer rods (42) are both provided with limiting grooves (423) matched with the two limiting blocks (425).

4. A paper printing and absorbing mechanism according to claim 1, wherein: The corresponding ends of the two fixed plates (2) are both fixedly connected with separation brushes (3).

5. A paper printing and absorbing mechanism according to claim 1, wherein: The centering mechanism (5) comprises a bidirectional screw rod (52) mounted between the two fixed plates (2), one end of one of the fixed plates (2) is fixedly connected with a driving motor (51), the output end of the driving motor (51) penetrates through the corresponding fixed plate (2) and is fixedly connected with the bidirectional screw rod (52), the outer surface of the bidirectional screw rod (52) is provided with guide grooves (411) matched with guide blocks (415), the bottom ends of the two guide blocks (415) are both fixedly connected with adjusting plates (55), and the bottom ends of the two adjusting plates (55) are jointly attached to the top end of the conveying belt (6).

6. A paper printing and absorbing mechanism according to claim 5, characterized in that: The corresponding ends of the two adjusting plates (55) are both arc-shaped, and the two adjusting plates (55) are mirror-imaged.

7. A paper printing and absorbing mechanism according to claim 5, wherein: The corresponding ends of the two fixed plates (2) are jointly fixedly connected with a sliding rod (54), the two sliding blocks (53) are jointly slidingly connected with the sliding rod (54), and the sliding rod (54) has a rectangular cross section.

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