Corrugated board slotting and mold pressing mechanism

Abstract

The utility model relates to a corrugated board slotting and mould pressing mechanism which comprises a machine frame, a first pressing roller, a second pressing roller, a driving motor, a supporting pad, a mould pressing pattern assembly and at least one slotting assembly, the first pressing roller and the second pressing roller are both rotatably installed on the machine frame, and an output shaft of the driving motor is in transmission connection with one end of the first pressing roller. A gap for a corrugated board to enter is formed between the second compression roller and the first compression roller; the supporting pad wraps the middle of the roller surface of the first pressing roller, the mold pressing pattern assembly comprises at least one mold pressing frame body and a plurality of mold pressing hard blocks, and the mold pressing frame bodies and the mold pressing hard blocks are detachably arranged on the outer surface of the supporting pad; the grooving assembly is installed at the end of the first pressing roller and located on one side of the supporting pad. The corrugated board slotting and mould pressing mechanism can automatically finish slotting and mould pressing treatment on the corrugated board, can improve the working efficiency, and can flexibly adjust the mould pressing position and the mould pressing pattern so as to adapt to different embossing requirements of corrugated cartons.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging machinery, and particularly relates to a corrugated cardboard grooving and molding mechanism. Background Art

[0002] As is well known, corrugated cardboard, also known as corrugated board, is composed of at least one layer of corrugated paper and one layer of linerboard bonded together. It has good elasticity and extensibility and is mainly used for manufacturing cartons, the sandwich of cartons, and other packaging materials for fragile goods. Corrugated cardboard can be made into corrugated cartons through die-cutting, scoring, stapling or gluing. Corrugated cartons are the most widely used packaging products, and their usage has always been the first among various packaging products. Corrugated cartons are green environmental protection products, which are conducive to loading, unloading and transportation.

[0003] The Chinese invention patent with the authorization announcement number of CN111037990A discloses a preparation and processing method of corrugated cartons, including the following steps: Step 1, cutting, cutting the corrugated paper raw material to obtain corrugated cardboard; Step 2, printing, transferring the cut corrugated cardboard to a printing press, selecting a graphic printing plate, and printing the corrugated cardboard to obtain a printed product; Step 3, scoring and spraying protection: folding the printed product through a scoring wheel to form longitudinal and transverse score lines, and pre-molding to mark the cutting lines, then spraying a solid protection agent at the longitudinal score lines, transverse score lines and cutting lines, and after complete drying, obtaining a coated semi-finished product; Step 4, grooving, grooving the dried coated semi-finished product through a grooving machine to obtain a corrugated paper template; Step 5, die-cutting, die-cutting the grooved corrugated paper template through a die-cutting knife to obtain a die-cut template; Step 6, gluing, folding and gluing the die-cut template through a gluing machine to obtain a finished corrugated carton.

[0004] At present, the molding and grooving of the above-mentioned corrugated cardboard are generally completed on a molding device and a grooving device respectively. The main components of the existing molding device generally adopt structures such as hydraulic cylinders and pressing plates to perform simple scoring operations on the corrugated cardboard; the main components of the existing grooving device are generally a continuously rotating cutter head, and grooving knives are installed on the cutter head. Through the rotation of the cutter head, the corrugated cardboard passing through the cutter head is grooved. However, since the molding and grooving of the corrugated cardboard are completed on different devices respectively, it is necessary to carry and transfer the corrugated cardboard, the operation is relatively inconvenient, and the work efficiency is low. In addition, at present, some corrugated cartons also have requirements for embossing. Although the above-mentioned scoring device can also be used for the embossing of corrugated cardboard, it can only mold some simple patterns, and it is not convenient to adjust the embossing position and embossing pattern. Summary of the Utility Model

[0005] The technical problem to be solved by the utility model is to provide a corrugated cardboard slotting and molding mechanism, which can automatically complete the slotting and molding of the corrugated cardboard, improve work efficiency, and flexibly adjust the molding position and molding pattern to meet the different embossing requirements of corrugated boxes. The adopted technical solution is as follows:

[0006] A corrugated cardboard slotting and molding mechanism, comprising a frame, a first pressing roller, a second pressing roller and a driving motor, wherein the first pressing roller and the second pressing roller are both rotatably mounted on the frame, the second pressing roller is located on one side of the first pressing roller and is parallel to the first pressing roller, and a gap is formed between the second pressing roller and the first pressing roller for the corrugated cardboard to enter; the driving motor is mounted on the frame, and the output shaft of the driving motor is drivingly connected to one end of the first pressing roller; the characteristic is that: the corrugated cardboard slotting and molding mechanism also comprises a support pad, a molding pattern assembly and at least one slotting assembly, the support pad is coated on the middle part of the roller surface of the first pressing roller, the molding pattern assembly comprises at least one molding frame and a plurality of molding blocks, the molding frame and the molding blocks are both detachable and arranged on the outer surface of the support pad; the slotting assembly is mounted on the end of the first pressing roller and is located on one side of the support pad.

[0007] In the above-mentioned corrugated cardboard slotting and embossing mechanism, the support pad is coated on the middle part of the roller surface of the first pressing roller, as a carrier of the embossing pattern assembly, and is used for the embossing pattern assembly; the embossing pattern assembly is composed of at least one embossing frame and a plurality of embossing blocks, and the embossing pattern can be embossed on the corrugated cardboard as required, and each embossing frame and each embossing block are arranged on the outer surface of the support pad to form a simple or complex embossing pattern, so that the embossing position and embossing pattern can be flexibly adjusted to meet the different embossing requirements of the corrugated box. During operation, the driving motor drives the first pressing roller to rotate continuously, and cooperates with the second pressing roller to drive the corrugated cardboard to pass through the gap between the first pressing roller and the second pressing roller, and the first pressing roller and the second pressing roller clamp it and apply pressure, and the embossing pattern assembly is used to perform embossing on the surface of the corrugated cardboard to emboss the corresponding embossing pattern, and the slotting assembly is used to perform slotting on the surface of the corrugated cardboard to form a slot on one side of the embossing pattern; one rotation of the first pressing roller is a working cycle. Therefore, the corrugated cardboard slotting and molding mechanism can automatically complete the slotting and molding process of the corrugated cardboard, thereby improving work efficiency.

[0008] As a preferred solution of the utility model, the first pressing roller is a steel roller, and the second pressing roller is a rubber roller.

[0009] As a preferred solution of the utility model, the second pressing roller is located above the first pressing roller.

[0010] As a preferred solution of the present utility model, the support pad is composed of multiple layers of soft cardboard; the molding frame is made of metal material, and the molding hard block is made of metal or plastic material.

[0011] As a preferred solution of the present utility model, the number of the molding frames is one, and the molding frame is detachably arranged on the outer surface of the middle part of the support pad. Part of the molding hard blocks are located outside the molding frame, and the remaining molding hard blocks are located inside the molding frame.

[0012] As a preferred solution of the present utility model, the number of the grooving assemblies is two, and the two grooving assemblies are respectively arranged at two ends of the first pressing roller. Thus, this corrugated cardboard grooving and molding machine can form grooves on both sides of the corrugated cardboard.

[0013] As a preferred solution of the present utility model, the grooving assembly includes an arc-shaped pressing strip and two arc-shaped grooving knives. The two arc-shaped grooving knives are arranged side by side on the roller surface of the first pressing roller and extend along its circumferential direction. The outer edge part of the arc-shaped grooving knife has a blade; the arc-shaped pressing strip is arranged between the two arc-shaped grooving knives. During operation, the grooving assembly rotates driven by the first pressing roller, and the surface of the corrugated cardboard is cut by the blades of the two arc-shaped grooving knives. At the same time, pressure is applied to the cut material by the arc-shaped pressing strip, thereby forming strip-shaped grooves on the surface of the corrugated cardboard.

[0014] As a further preferred solution of the present utility model, the blade of the arc-shaped grooving knife is serrated.

[0015] As a further preferred solution of the present utility model, the corresponding ends of the two arc-shaped grooving knives are connected by an arc-shaped transition section.

[0016] Compared with the prior art, the present utility model has the following advantages:

[0017] This corrugated cardboard grooving and molding mechanism can automatically complete the grooving and molding treatment of the corrugated cardboard, improve work efficiency, and can flexibly adjust the molding position and molding pattern to meet different embossing requirements of corrugated cartons. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of the corrugated cardboard grooving and molding mechanism of the preferred embodiment of the present utility model.

[0019] Figure 2 is a schematic structural diagram of the grooving assembly in the preferred embodiment of the present utility model.

[0020] Figure 3 is a sectional view of the first pressing roller, the second pressing roller, the support pad and the molding pattern assembly in the preferred embodiment of the present utility model. DETAILED DESCRIPTION OF THE INVENTION

[0021] As Figures 1-3 shown, this corrugated cardboard grooving and molding mechanism includes a frame 1, a first pressure roller 2, a second pressure roller 3, a driving motor 4, a support pad 5, a molding pattern assembly 6, and two grooving assemblies 7. The first pressure roller 2 and the second pressure roller 3 are rotatably mounted on the frame 1. The second pressure roller 3 is located on one side of the first pressure roller 2 and is parallel to the first pressure roller 2. A gap 20 for the corrugated cardboard to enter is formed between the second pressure roller 3 and the first pressure roller 2. The driving motor 4 is mounted on the frame 1, and the output shaft of the driving motor 4 is in transmission connection with one end of the first pressure roller 2. The support pad 5 is wrapped around the middle of the roller surface of the first pressure roller 2. The molding pattern assembly 6 includes a molding frame 61 and a plurality of molding hard blocks 62. The molding frame 61 and each molding hard block 62 are detachably arranged on the outer surface of the support pad 5. The two grooving assemblies 7 are respectively mounted on the corresponding ends of the first pressure roller 2 and are located on both sides of the support pad 5.

[0022] In this embodiment, the first pressure roller 2 is a steel roller, and the second pressure roller 3 is a rubber roller. The second pressure roller 3 is located above the first pressure roller 2.

[0023] In this embodiment, the support pad 5 is composed of multiple layers of soft cardboard laminated together. The molding frame 61 is made of metal, and the molding hard blocks 62 are made of metal or plastic.

[0024] In this embodiment, the molding frame 61 is arranged on the outer surface of the support pad 5, and each molding hard block 62 is arranged on the outer surface of the support pad 5 by bonding. Some of the molding hard blocks 62 are located outside the molding frame 61, and the remaining molding hard blocks 62 are located inside the molding frame 61.

[0025] In this embodiment, the number of the grooving assemblies 7 is two, and the two grooving assemblies 7 are respectively arranged on the two ends of the first pressure roller 2. Thus, this corrugated cardboard grooving and molding machine can form grooves on both sides of the corrugated cardboard.

[0026] In this embodiment, the grooving assembly 7 includes an arc-shaped pressing strip 71 and two arc-shaped grooving knives 72. The two arc-shaped grooving knives 72 are arranged side by side on the roller surface of the first pressure roller 2 and extend along its circumferential direction. The corresponding ends of the two arc-shaped grooving knives 72 are connected by an arc-shaped transition section 73. The outer edge parts of the two arc-shaped grooving knives 72 and the arc-shaped transition section 73 have serrated cutting edges 720. The arc-shaped pressing strip 71 is arranged between the two arc-shaped grooving knives 72.

[0027] The working principle of this corrugated cardboard grooving and molding mechanism is briefly described below:

[0028] According to the required embossing patterns that can be embossed on the corrugated cardboard, each embossing frame 61 and each embossing hard block 62 are arranged on the outer surface of the support pad 5 to form simple or complex embossing patterns. Thus, by flexibly adjusting the embossing positions and embossing patterns, different embossing requirements of the corrugated cardboard boxes can be met.

[0029] During operation, the driving motor 4 drives the first pressing roller 2 to continuously rotate. Cooperating with the second pressing roller 3, it drives the corrugated cardboard to pass through the gap 20 between the first pressing roller 2 and the second pressing roller 3. The first pressing roller 2 and the second pressing roller 3 clamp it and apply pressure. The embossing pattern assembly 6 is used to emboss the surface of the corrugated cardboard to emboss the corresponding embossing patterns. At the same time, the grooving assembly 7 rotates driven by the first pressing roller 2. The cutting edges 720 of the two arc-shaped grooving knives 72 are used to cut the surface of the corrugated cardboard. At the same time, pressure is applied to the material cut out by the arc-shaped pressing strip 71. Thus, strip-shaped grooves are formed on the surface of the corrugated cardboard (one rotation of the first pressing roller 2 is a working cycle); finally, the corrugated cardboard after grooving and embossing treatment falls on the conveying mechanism 80 and is conveyed by the conveying mechanism 80 to the subsequent processes.

[0030] In addition, it should be noted that for the specific embodiments described in this specification, the names of their respective parts, etc. can be different. Any equivalent or simple changes made according to the structure, features, and principles of the utility model patent concept are included in the protection scope of the utility model patent. Those skilled in the technical field to which the utility model belongs can make various modifications or supplements to the described specific embodiments or use similar ways to replace them. As long as they do not deviate from the structure of the utility model or exceed the scope defined by this claim book, they should all belong to the protection scope of the utility model.

Claims

1. A corrugated cardboard slotting and molding mechanism, comprising a frame, a first pressing roller, a second pressing roller and a driving motor, wherein the first pressing roller and the second pressing roller can be rotatably mounted on the frame, the second pressing roller is located on one side of the first pressing roller and is parallel to the first pressing roller, and a gap is formed between the second pressing roller and the first pressing roller for the corrugated cardboard to enter; the driving motor is mounted on the frame, and the output shaft of the driving motor is drivingly connected to one end of the first pressing roller; the characteristics are: The corrugated cardboard slotting and molding mechanism also includes a support pad, a molding pattern assembly and at least one slotting assembly. The support pad is coated on the middle part of the roller surface of the first pressing roller. The molding pattern assembly includes at least one molding frame and a plurality of molding blocks. The molding frame and the molding blocks are both removable and arranged on the outer surface of the support pad. The slotting assembly is installed on the end of the first pressing roller and is located on one side of the support pad.

2. A corrugated cardboard slotting and molding mechanism according to claim 1, characterized in that: The first pressing roller is a steel roller, and the second pressing roller is a rubber roller.

3. A corrugated cardboard slotting and molding mechanism according to claim 1, characterized in that: The support pad is made of multiple layers of soft paperboard; the molded frame is made of metal, and the molded hard block is made of metal or plastic.

4. A corrugated cardboard slotting and molding mechanism according to claim 1, characterized in that: The number of the molded frame is one, and the molded frame is detachably arranged on the outer surface of the middle part of the support pad, part of the molded blocks are located on the outer side of the molded frame, and the remaining molded blocks are located on the inner side of the molded frame.

5. A corrugated cardboard slotting and molding mechanism according to claim 1, characterized in that: The number of the slotting assemblies is two, and the two slotting assemblies are respectively arranged on the two ends of the first pressing roller.

6. A corrugated cardboard slotting and molding mechanism according to claim 1, characterized in that: The slotting assembly includes an arc-shaped pressure strip and two arc-shaped slotting knives. The two arc-shaped slotting knives are arranged side by side on the roller surface of the first pressure roller and extend along its circumference. The outer edge of the arc-shaped slotting knives has a blade; the arc-shaped pressure strip is arranged between the two arc-shaped slotting knives.

7. A corrugated cardboard slotting and molding mechanism according to claim 6, characterized in that: The blade of the arc-shaped slotting knife is serrated.

8. A corrugated cardboard slotting and molding mechanism according to claim 6, characterized in that: The corresponding ends of the two arc-shaped slotting knives are connected by an arc-shaped transition section.

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