Paperboard conveying mechanism for carton printing machine

Abstract

The utility model discloses a paperboard conveying mechanism for a carton printing machine, and relates to the technical field of paperboard conveying. The paperboard conveying device comprises a conveying line, an installation frame is fixedly installed in the center of the upper side of the conveying line, a printing assembly with the adjustable position is arranged on the side face of the installation frame, and a restraining assembly capable of restraining and limiting paperboards is arranged on the side face of the printing assembly. According to the utility model, the guide roller in the restraining assembly is synchronously driven by the adjusting shaft in the printing assembly to rotate, so that a group of motors can drive the printing roller and the guide roller to synchronously rotate, the energy consumption is reduced, and the synchronism is improved; the four sides of the paperboard are restrained and guided, the arranged restraining assembly can be detached when not used subsequently and does not interfere with normal work of the printing assembly, the synchronism and rapidness of adjustment of the printing assembly and the restraining assembly are improved, and the paperboard restraining device can be matched with different paperboards for use.

Description

Technical Field

[0001] The utility model relates to the technical field of cardboard conveying, in particular to a cardboard conveying mechanism for a carton printing machine. Background Art

[0002] The working principle of a carton printing machine usually involves making printing plates with the text and images to be printed, then installing the printing plates on the printing machine to connect the program, and directly or indirectly transferring them to the carton through the printing roller, so as to reproduce the same printed matter as the printing plate.

[0003] In the prior art, in order to solve the problem that the cardboard conveying mechanism of the traditional corrugated carton printing machine cannot adjust the position of the cardboard or carton entering the printing machine according to the specifications of the carton or cardboard, a constraint and limiting mechanism is usually installed above the conveyor of the carton printing machine. When it is not in use, it cannot be effectively disassembled, making it always work passively and affecting its service life. Moreover, the printing roller needs to be adjusted according to the different thicknesses of the cardboard. Currently, it is necessary to adjust the positions of the printing roller and the constraint and limiting mechanism separately for coordinated use, which is time-consuming and laborious. For this reason, a cardboard conveying mechanism for a carton printing machine is proposed. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a cardboard conveying mechanism for a carton printing machine to solve the problems of the cardboard conveying mechanism for a carton printing machine.

[0005] The utility model specifically adopts the following technical solutions to achieve the above purpose:

[0006] A cardboard conveying mechanism for a carton printing machine includes a feeding line. A mounting frame is fixedly installed at the central position on the upper side of the feeding line. A printing component with adjustable position is arranged on the side of the mounting frame, and a constraint component for constraining and limiting the cardboard is arranged on the side of the printing component.

[0007] The printing component includes a printing roller. An adjusting shaft is arranged on the side of the printing roller. Movable first and second movable plates are arranged on the side of the adjusting shaft, and a clamping rod that can be fixed is arranged on the sides of the first and second movable plates. The constraint component includes a mounting plate. A guiding roller is arranged on the side of the mounting plate. A clamping block is arranged on the side of the guiding roller, and a limiting roller that can be guided is arranged on the side of the clamping block.

[0008] Furthermore, the printing component includes an adjusting groove opened on the side of the mounting frame. The printing roller is arranged inside the mounting frame. The adjusting shafts are fixedly installed on both sides of the printing roller, and a motor is fixedly installed on the side of a group of adjusting shafts.

[0009] Further, the printing assembly further includes a first movable plate disposed below the motor. A fixed block is fixedly installed on the side of the other set of adjusting shafts. A second movable plate is fixedly installed on the side of the fixed block. Slots are equidistantly formed on the side of the mounting frame, and a clamping rod is threadedly installed inside the slots.

[0010] Further, the constraint assembly includes mounting plates symmetrically disposed on both sides of the mounting frame. Guide rollers are disposed inside the mounting plates. Connecting shafts are fixedly installed on both sides of the guide rollers. Synchronous belts are movably sleeved on the sides of the connecting shafts and the adjusting shafts.

[0011] Further, the constraint assembly further includes slots equidistantly formed on the side of the mounting plate. A clamping block is snap-fitted inside the slots. A connecting block is fixedly installed on the side of the clamping block. An adjusting rod is threadedly installed on the side of the connecting block. A limiting roller is disposed on the side of the adjusting rod.

[0012] Further, the clamping rod penetrates through the mounting plate and is threadedly installed at the position inside the slot. The connecting shaft penetrates through the mounting plate to the spline position of the corresponding adjusting shaft. The synchronous belt is an "O"-shaped belt with a zipper provided on the side.

[0013] The beneficial effects of the present utility model are as follows:

[0014] 1. The printing assembly provided by the present utility model can separately adjust the height position of the printing roller to adapt to different thicknesses of cardboard. After the printing roller is adjusted, the constraint assembly can be synchronously installed and fixed, eliminating the height setting of the constraint assembly, so that it can be synchronously adjusted and fixed with the printing assembly. The provided constraint assembly can synchronously guide and constrain the cardboard during printing. The guide rollers inside the constraint assembly are synchronously driven to rotate by the adjusting shafts inside the printing assembly, so that a set of motors can drive the printing roller and the guide rollers to rotate synchronously, reducing energy consumption and improving synchronism. In addition, the limiting rollers inside the provided constraint assembly can adjust the position to constrain the positions of both sides of the cardboard, completing the constraint and guidance of the four sides of the cardboard. Moreover, when the constraint assembly is not used later, it can be disassembled without interfering with the normal operation of the printing assembly, improving the synchronism, quickness of the adjustment of the printing assembly and the constraint assembly and enabling it to be used for different cardboard. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0016] Figure 2 is a partial structural schematic diagram of the mounting frame of the present utility model;

[0017] Figure 3 is a partial exploded structural schematic diagram of the printing assembly of the present utility model;

[0018] Figure 4 is a partial exploded structural schematic diagram of the constraint assembly of the present utility model.

[0019] Reference numerals: 1, feeding line; 2, mounting frame; 3, printing assembly; 31, adjustment groove; 32, printing roller; 33, adjustment shaft; 34, motor; 35, first movable plate; 36, second movable plate; 37, fixing block; 38, card slot; 39, clamping rod; 4, restraint assembly; 41, mounting plate; 42, guide roller; 43, connecting shaft; 44, synchronous belt; 45, slotted opening; 46, clamping block; 47, connecting block; 48, adjusting rod; 49, limiting roller. Detailed implementation mode

[0020] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. The components of the embodiments of the present utility model usually described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the present utility model claimed, but merely represents the selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0022] It should be noted that similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In addition, the terms "first", "second", etc. are only used for descriptive distinction and cannot be understood as indicating or implying relative importance.

[0023] In the description of the embodiments of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "inner", "outer", "upper", etc. is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of the present utility model is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model.

[0024] As Figure 1 shown, a cardboard conveying mechanism for a carton printing machine includes a feeding line 1 for conveying cardboard. A mounting frame 2 is fixedly installed at the central position on the upper side of the feeding line 1. The mounting frame 2 is a "C"-shaped plate. A printing assembly 3 with adjustable position is arranged on the side of the mounting frame 2, and a restraint assembly 4 for restraining and limiting the cardboard is arranged on the side of the printing assembly 3;

[0025] Specifically, the printing assembly 3 can adjust the printing operation corresponding to the cardboard thickness, the setting constraint assembly 4 can adjust the guiding and constraining of the cardboard, and the setting constraint assembly 4 can perform a monotonic disassembly operation or the position of the printing assembly 3 can be synchronously adjusted by the constraint assembly 4 and then fixed.

[0026] As Figure 2 、 Figure 3 shown, the printing assembly 3 includes an adjustment groove 31 opened on the side of the mounting frame 2. The adjustment groove 31 is a rectangular groove. A printing roller 32 is arranged on the inner side of the mounting frame 2 corresponding to the position of the adjustment groove 31. Adjustment shafts 33 are fixedly installed on both sides of the printing roller 32 and the adjustment shafts 33 are movably installed inside the adjustment groove 31. The adjustment shaft 33 is a cylindrical shaft with a cross-shaped section with a spline shape on one side. A motor 34 is fixedly installed on the side of a group of adjustment shafts 33 and the motor 34 is arranged on the side of the mounting frame 2. A first movable plate 35 is arranged below the motor 34 and the first movable plate 35 is attached to the side of the mounting frame 2. The first movable plate 35 is a "C" - shaped plate. The motor 34 is fixedly installed on the side of the first movable plate 35 through a rectangular block. A fixing block 37 is fixedly installed on the side of the other group of adjustment shafts 33. The fixing block 37 is a rectangular block. A second movable plate 36 is fixedly installed on the side of the fixing block 37 corresponding to the position of the first movable plate 35 and the second movable plate 36 is attached to the side of the mounting frame 2. The second movable plate 36 is a "C" - shaped plate. Card slots 38 are equidistantly opened on the side of the mounting frame 2 corresponding to the positions of the first movable plate 35 and the second movable plate 36. The card slots 38 are cylindrical threaded grooves. A clamping rod 39 is threadedly installed inside the card slots 38 and the clamping rod 39 is threadedly installed on the sides of the first movable plate 35 and the second movable plate 36. The clamping rod 39 is a "T" - shaped cylindrical threaded rod;

[0027] Specifically, the set clamping rod 39 is loosened and disassembled, and then the motor 34 and the fixing block 37 are constrained and guided to move through the first movable plate 35 and the second movable plate 36. The adjustment shaft 33 then slides inside the adjustment groove 31 to adjust the position of the printing roller 32. Subsequently, the clamping rod 39 is threadedly installed at the corresponding card slot 38 position to fix the first movable plate 35 and the second movable plate 36, completing the position adjustment of the printing roller 32.

[0028] As Figures 2 to 4As shown in the figure, the constraint component 4 includes mounting plates 41 symmetrically arranged on both sides of the mounting frame 2 corresponding to the printing rollers 32, and the clamping rod 39 passes through the mounting plate 41 and is threadedly installed at the inner position of the card slot 38. The mounting plate 41 is an "E"-shaped plate. A guiding roller 42 is arranged inside the mounting plate 41. The guiding roller 42 is a cylindrical roller. Connecting shafts 43 are fixedly installed on both sides of the guiding roller 42, and the connecting shafts 43 pass through the mounting plate 41 to the spline position corresponding to the adjusting shaft 33. The connecting shaft 43 is a spline-shaped cylindrical shaft. A synchronous belt 44 is movably sleeved on the sides of the connecting shaft 43 and the adjusting shaft 33. The synchronous belt 44 is an "O"-shaped belt with a zipper on the side. The zipper of the synchronous belt 44 can be opened to open the synchronous belt 44 into a straight line for convenient subsequent installation. Slots 45 are equidistantly opened on the side of the mounting plate 41 away from the mounting frame 2. The slots 45 are "L"-shaped slots. A clamping block 46 is clamped and installed inside the slots 45. The clamping block 46 is an "L"-shaped spring buckle. A connecting block 47 is fixedly installed on the side of the clamping block 46. The connecting block 47 is a rectangular block with a circular threaded groove opened on the side. An adjusting rod 48 is threadedly installed on the side of the connecting block 47. The adjusting rod 48 is a "T"-shaped cylindrical threaded rod. A limiting roller 49 is arranged on the side of the adjusting rod 48. The limiting roller 49 is rotatably connected to the side of the adjusting rod 48 through a round shaft;

[0029] Specifically, after the printing roller 32 completes the height adjustment position by the same printing component 3 as above, the set mounting plate 41 is correspondingly placed at the positions of the first movable plate 35 and the second movable plate 36. The mounting plate 41 is fixed by threading the clamping rod 39 into the card slot 38. Subsequently, the set synchronous belt 44 is sleeved on the sides of the adjusting shaft 33 and the connecting shaft 43. According to the width of the cardboard, the corresponding clamping block 46 is clamped at the inner position of the slot 45. The height position of the limiting roller 49 is adjusted by threading the adjusting rod 48. When the feeding line 1 conveys the cardboard, the limiting roller 49 guides and restricts both sides of the cardboard. The motor 34 drives the adjusting shaft 33 to drive the printing roller 32 to rotate. Synchronously, under the synchronization of the synchronous belt 44, the guiding roller 42 rotates accordingly. The guiding roller 42 can guide and limit the side of the cardboard to the position of the printing roller 32, and the printing roller 32 rotates to complete the printing operation.

[0030] In summary: By setting the printing assembly 3, the height position of the printing roller 32 can be individually adjusted to adapt to different thicknesses of cardboard. After the printing roller 32 is adjusted, the constraint assembly 4 can be synchronously installed and fixed, eliminating the need for height setting of the constraint assembly 4, enabling it to be adjusted and fixed synchronously with the printing assembly 3. The set constraint assembly 4 can guide and constrain the cardboard synchronously during printing. The guide roller 42 inside the constraint assembly 4 is synchronously driven to rotate by the adjustment shaft 33 inside the printing assembly 3, so that a set of motors 34 can drive the printing roller 32 and the guide roller 42 to rotate synchronously, reducing energy consumption and improving synchronism. In addition, the position of the limiting roller 49 inside the set constraint assembly 4 can be adjusted to constrain the positions of both sides of the cardboard, completing the constraint and guidance of the four sides of the cardboard. Moreover, when the set constraint assembly 4 is not used subsequently, it can be disassembled without interfering with the normal operation of the printing assembly 3, improving the synchronism and speed of adjustment of the printing assembly 3 and the constraint assembly 4 and enabling it to be used with different cardboard.

[0031] The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments, and what is described in the above embodiments and the specification is only the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A cardboard conveying mechanism for a carton printing machine, comprising a feeding line (1). A mounting frame (2) is fixedly installed at the central position on the upper side of the feeding line (1). A printing assembly (3) with an adjustable position is arranged on the side of the mounting frame (2), and a constraint assembly (4) for restricting and positioning the cardboard is arranged on the side of the printing assembly (3). It is characterized in that: The printing assembly (3) includes a printing roller (32). An adjusting shaft (33) is arranged on the side of the printing roller (32). A movable first movable plate (35) and a second movable plate (36) are arranged on the side of the adjusting shaft (33). A clamping rod (39) that can be fixed is arranged on the sides of the first movable plate (35) and the second movable plate (36). The constraint assembly (4) includes a mounting plate (41). A guiding roller (42) is arranged on the side of the mounting plate (41). A clamping block (46) is arranged on the side of the guiding roller (42). A limiting roller (49) that can be guided is arranged on the side of the clamping block (46).

2. The cardboard conveying mechanism for a carton printing machine according to claim 1, characterized in that: The printing assembly (3) includes an adjusting groove (31) opened on the side of the mounting frame (2). The printing roller (32) is arranged inside the mounting frame (2). The adjusting shaft (33) is fixedly installed on both sides of the printing roller (32). A motor (34) is fixedly installed on the side of a group of adjusting shafts (33).

3. The cardboard conveying mechanism for a carton printing machine according to claim 2, characterized in that: The printing assembly (3) further includes a first movable plate (35) arranged below the motor (34). A fixed block (37) is fixedly installed on the side of another group of adjusting shafts (33). The second movable plate (36) is fixedly installed on the side of the fixed block (37). Slots (38) are equidistantly opened on the side of the mounting frame (2). The clamping rod (39) is threadedly installed inside the slots (38).

4. The cardboard conveying mechanism for a carton printing machine according to claim 3, characterized in that: The constraint assembly (4) includes mounting plates (41) symmetrically arranged on both sides of the mounting frame (2). The guiding roller (42) is arranged inside the mounting plates (41). Connecting shafts (43) are fixedly installed on both sides of the guiding roller (42). A synchronous belt (44) is movably sleeved on the sides of the connecting shafts (43) and the adjusting shafts (33).

5. The cardboard conveying mechanism for a carton printing machine according to claim 4, wherein: The constraint assembly (4) further includes slots (45) equidistantly opened on the side of the mounting plate (41). The clamping block (46) is snap-fitted and installed inside the slots (45). A connecting block (47) is fixedly installed on the side of the clamping block (46). An adjusting rod (48) is threadedly installed on the side of the connecting block (47). The limiting roller (49) is arranged on the side of the adjusting rod (48).

6. The cardboard conveying mechanism for a carton printing machine according to claim 5, wherein: The clamping rod (39) penetrates through the mounting plate (41) and is threadedly installed at the position inside the slots (38). The connecting shaft (43) penetrates through the mounting plate (41) to the spline position of the corresponding adjusting shaft (33). The synchronous belt (44) is an "O"-shaped belt with a zipper arranged on the side.

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