Paperboard anti-warping mechanism of carton forming machine

Abstract

The paperboard anti-warping mechanism of the carton forming machine comprises a roller shaft, a pressing roller cylinder, a U-shaped frame, a device box and an elastic piece, a plurality of rubber strips are evenly and fixedly installed on the outer surface of the pressing roller cylinder, the two ends of the U-shaped frame are fixedly connected with bearings at the two ends of the roller shaft respectively, and a main shaft connected with an external air cylinder is fixedly installed in the middle of the upper surface of the U-shaped frame. Sliding columns are fixedly installed on the upper surface of the U-shaped frame and located on the two sides of the main shaft, and the upper ends of the sliding columns are movably inserted into the device box and connected with the pushing mechanisms at the corresponding positions through elastic pieces. The elastic potential energy of the elastic piece is changed through the pushing mechanism, so that the pressure of the pressing roller can be changed, the pressing roller can be attached to the surface of corrugated paper with proper force, and damage to the corrugated paper is avoided; and meanwhile, the rubber strips are arranged on the surface of the pressing roller cylinder, friction force can be increased, when corrugated paper passes through the pressing roller cylinder, the pressing roller cylinder can smoothly roll, the rolling effect is achieved, the warped corrugated paper can be flattened, and the flattening efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of carton processing, in particular to a cardboard anti-bending and warping mechanism for a carton forming machine. Background Art

[0002] Corrugated box forming machine is an important mechanical equipment in the packaging industry, mainly used to process cardboard into corrugated boxes with specific shapes and structures.

[0003] The working principle of the corrugated box forming machine mainly includes the steps of paper feeding, corrugation forming, folding, creasing, punching and gluing. Specifically, the cardboard is first transferred to the corrugated roller group through the paper feeding part. The corrugated roller group presses the cardboard into a corrugated shape through pressure. Subsequently, the pressed corrugated cardboard enters the folding part for folding and creasing to form the basic shape of the carton.

[0004] The utility model patent with patent authorization announcement number CN208790782U discloses a cardboard anti-bending and warping mechanism for a fully automatic carton forming machine. It uses a turning rod to press the cardboard to correct and flatten the cardboard, which can reduce raw material loss and avoid equipment downtime, and also protect the cardboard anti-bending and warping mechanism components of the paper feeder.

[0005] However, the above device still has some shortcomings in actual use, the most obvious of which are:

[0006] The turning rod uses a cylinder to flip and thus flatten the corrugated paper, but its pressure is uncontrollable. If the downward pressure is too great, the surface of the corrugated paper will be squeezed and deformed. At the same time, the turning rod cannot rotate and cannot be rolled, so the corrugated paper can only be smoothed. However, the smoothing action can easily tear and damage the corrugated paper during the movement of the corrugated paper.

[0007] Therefore, it is necessary to invent a cardboard anti-bending and warping mechanism for a carton forming machine to solve the above problems. Utility Model Content

[0008] The purpose of the utility model is to provide a cardboard anti-bending and anti-warping mechanism for a carton forming machine, which solves the problem in the above-mentioned background technology that the roller cannot roll smoothly and the downward pressure cannot be controlled, causing damage to the corrugated paper, by arranging a pushing mechanism, an elastic member and multiple rubber strips on the surface of the pressure roller.

[0009] According to one aspect of the present disclosure, the following technical solution is provided: a cardboard anti-bending and warping mechanism for a carton forming machine, comprising: a roller shaft, a pressure roller, a U-shaped frame, a device box, and an elastic member;

[0010] The pressing roller is sleeved on the surface of the roller shaft, and a plurality of rubber strips are evenly fixedly installed on the outer surface of the pressing roller;

[0011] Both ends of the roller shaft are provided with bearings;

[0012] The two ends of the U-shaped frame are fixedly connected to the bearings at both ends of the roller shaft, the middle of the upper surface of the U-shaped frame is fixedly installed with a main shaft connected to the external cylinder, and the upper surface of the U-shaped frame is fixedly installed with sliding columns on both sides of the main shaft;

[0013] The device box is located above the U-shaped frame, the upper end of the slide column is movably inserted into the device box, and the upper end of the slide column is connected to the corresponding position pushing mechanism through an elastic member.

[0014] According to the cardboard anti-bending and warping mechanism of the carton forming machine of at least one embodiment of the present disclosure, a ring rib is fixedly installed on the lower part of the slide column, and the elastic member is located above the ring rib.

[0015] According to at least one embodiment of the present disclosure, in the cardboard anti-bending and warping mechanism of the carton forming machine, the elastic member includes a spring, and the spring is sleeved on the surface of the sliding column.

[0016] According to at least one embodiment of the carton forming machine cardboard anti-bending and warping mechanism disclosed herein, the pushing mechanism includes a threaded barrel, threaded holes are provided at both ends of the top of the device box, the threaded barrel is cooperatively connected with the threaded holes at corresponding positions, and the upper end of the sliding column is movably inserted into the threaded barrel at the corresponding position.

[0017] According to the cardboard anti-bending and warping mechanism of the carton forming machine of at least one embodiment of the present disclosure, a handle is fixedly provided on the upper end of the threaded barrel.

[0018] According to at least one embodiment of the present disclosure, in the cardboard anti-bending and warping mechanism of the carton forming machine, a plurality of tapered grooves are evenly formed on the outer surface of the pressing roller along the length direction, and the tapered grooves are used to fill rubber strips.

[0019] The technical effects and advantages of this utility model are:

[0020] The elastic potential energy of the elastic member is changed by the pushing mechanism, thereby changing the pressure of the pressing roller, so that the pressing roller can fit the surface of the corrugated paper with appropriate force to avoid damage to the corrugated paper;

[0021] At the same time, rubber strips are set on the surface of the pressing roller to increase friction. When the corrugated paper passes through, the pressing roller can roll smoothly to achieve a rolling effect, which can flatten the bent corrugated paper and improve the flattening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings illustrate exemplary embodiments of the present disclosure and together with the description serve to explain the principles of the present disclosure. These drawings are included to provide a further understanding of the present disclosure and are incorporated in and constitute a part of this specification.

[0023] Figure 1It is a schematic diagram of the overall structure of a cardboard anti-bending and warping mechanism of a carton forming machine according to one embodiment of the present disclosure.

[0024] Figure 2 It is a partial structural cross-sectional view of a cardboard anti-bending and warping mechanism of a carton forming machine according to one embodiment of the present disclosure.

[0025] Figure 3 yes Figure 2 A magnified schematic diagram of the structure in the middle.

[0026] Figure 4 It is a partial structural diagram of the middle pressure roller of the cardboard anti-bending and warping mechanism of the carton forming machine according to one embodiment of the present disclosure.

[0027] The specific reference numerals in the figure are:

[0028] 1. Roller; 11. Bearing; 2. Pressing roller; 21. Conical groove; 22. Rubber strip; 3. U-shaped frame; 4. Device box; 5. Elastic part; 51. Spring; 6. Main shaft; 7. Sliding column; 8. Push mechanism; 81. Threaded cylinder. DETAILED DESCRIPTION

[0029] For descriptive purposes, this disclosure may use spatially relative terms such as "below," "beneath," "beneath," "below," "above," "upper," and "side (e.g., as in "sidewall")," to describe the relationship of one component to another (other) component as shown in the accompanying drawings. The spatially relative terms are intended to encompass different orientations of the device in use, operation, and / or manufacture in addition to the orientation depicted in the accompanying drawings. For example, if the device in the drawings is turned over, a component described as "below" or "beneath" another component or feature would then be oriented "above" the other component or feature. Thus, the exemplary term "below" can encompass both "above" and "below" orientations. Furthermore, the device may be otherwise oriented (e.g., rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.

[0030] like Figure 1-3 As shown, the present disclosure discloses a cardboard anti-bending and anti-warping mechanism for a carton forming machine. The mechanism is installed at the entrance of the forming machine. Usually, a conveyor belt is placed at the entrance of the forming machine to convey corrugated paper. Therefore, the mechanism is installed on a bracket above the conveyor belt. The mechanism includes: a roller 1, a pressure roller 2, a U-shaped frame 3, a device box 4 and an elastic member 5;

[0031] The pressing roller 2 is sleeved on the surface of the roller shaft 1. In order to increase the friction and ensure that the pressing roller 2 can roll smoothly and realize the rolling of the corrugated paper, a plurality of rubber strips 22 are evenly fixed on the outer surface of the pressing roller 2. Both ends of the roller shaft 1 are sleeved with bearings 11.

[0032] The two ends of the U-shaped frame 3 are fixedly connected to the bearings 11 at both ends of the roller shaft 1. The main shaft 6 connected to the external cylinder is fixedly installed in the middle of the upper surface of the U-shaped frame 3. The external cylinder can be fixedly installed on the bracket at the entrance of the molding machine. The bracket is not shown in the figure. During actual installation, a bracket that can be suspended at a high place is selected for installation. Slide columns 7 are fixedly installed on both sides of the main shaft 6 on the upper surface of the U-shaped frame 3.

[0033] The device box 4 is located above the U-shaped frame 3, and the upper end of the slide column 7 is movably inserted into the device box 4. The upper end of the slide column 7 is connected to the corresponding position pushing mechanism 8 through the elastic member 5, and the device box 4 is fixedly connected to the bracket at the entrance of the molding machine through a telescopic rod.

[0034] Furthermore, in order to ensure that the elastic member 5 can generate an elastic force on the sliding column 7, in this embodiment, a ring rib is fixedly installed on the lower part of the sliding column 7, and the elastic member 5 is located above the ring rib.

[0035] Specifically, in this embodiment, the elastic member 5 includes a spring 51 , and the spring 51 is sleeved on the surface of the sliding column 7 .

[0036] Furthermore, in order to reduce the complexity of operation and realize a simple mechanism to adjust the elastic potential energy of the elastic member 5, in this embodiment, the pushing mechanism 8 includes a threaded barrel 81, and threaded holes are provided at both ends of the top of the device box 4. The threaded barrel 81 is connected with the threaded holes at the corresponding positions, and the upper end of the sliding column 7 is movably inserted into the threaded barrel 81 at the corresponding position. By rotating the threaded barrel 81, the threaded barrel 81 can press down and release the spring 51, thereby realizing the change of the elastic potential energy.

[0037] Furthermore, in order to facilitate the staff to smoothly rotate the threaded barrel 81, in this embodiment, a handle is fixedly provided on the upper end of the threaded barrel 81.

[0038] like Figure 4 As shown, in this embodiment, a plurality of tapered grooves 21 are evenly formed on the outer surface of the pressing roller 2 along the length direction. The tapered grooves 21 are used to fill the rubber strips 22. The provision of the tapered grooves 21 can facilitate the installation and replacement of the rubber strips 22.

[0039] The specific operating steps are as follows: install the mechanism at the entrance of the carton forming machine, specifically at the position below the bracket at the entrance of the forming machine, and change the elastic potential energy of the spring 51 by rotating the threaded cylinder 81, so as to change the pressure of the pressure roller 2. When the corrugated paper enters the entrance of the forming machine through the conveyor belt, start the cylinder, and the cylinder drives the pressure roller 2 downward through the main shaft 6. The pressure roller 2 can fit the surface of the corrugated paper with appropriate force, and can flatten the warped corrugated paper through the rolling action.

[0040] In the description of this specification, the description with reference to the terms "one embodiment / method", "some embodiments / methods", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment / method or example are included in at least one embodiment / method or example of the present application. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment / method or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments / methods or examples. In addition, those skilled in the art may combine and combine different embodiments / methods or examples described in this specification and the features of different embodiments / methods or examples, unless they are contradictory.

[0041] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of such features. Throughout the description of this application, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0042] Those skilled in the art will appreciate that the above embodiments are merely intended to clearly illustrate the present disclosure and are not intended to limit the scope of the present disclosure. Other changes or modifications may be made based on the above disclosure, and such changes or modifications are still within the scope of the present disclosure.

Claims

1. A cardboard anti-bending and anti-warping mechanism for a carton forming machine, characterized in that: include: Roller shaft, pressure roller, U-shaped frame, device box and elastic parts; The pressing roller is sleeved on the surface of the roller shaft, and a plurality of rubber strips are evenly fixedly installed on the outer surface of the pressing roller; Both ends of the roller shaft are sleeved with bearings; The two ends of the U-shaped frame are fixedly connected to the bearings at both ends of the roller shaft, the middle of the upper surface of the U-shaped frame is fixedly installed with a main shaft connected to the external cylinder, and the upper surface of the U-shaped frame is fixedly installed with sliding columns on both sides of the main shaft; The device box is located above the U-shaped frame, the upper end of the slide column is movably inserted into the device box, and the upper end of the slide column is connected to the corresponding position pushing mechanism through an elastic member.

2. The cardboard anti-bending and anti-warping mechanism for a carton forming machine according to claim 1, characterized in that: A ring rib is fixedly mounted on the lower portion of the sliding column, and the elastic member is located above the ring rib.

3. The cardboard anti-bending and anti-warping mechanism for a carton forming machine according to claim 2, characterized in that: The elastic member includes a spring, and the spring is sleeved on the surface of the sliding column.

4. The cardboard anti-bending and anti-warping mechanism for a carton forming machine according to claim 1, characterized in that: The pushing mechanism includes a threaded barrel. Threaded holes are provided at both ends of the top of the device box. The threaded barrel is matched and connected with the threaded holes at corresponding positions. The upper end of the sliding column is movably inserted into the threaded barrel at the corresponding position.

5. The cardboard anti-bending and anti-warping mechanism for a carton forming machine according to claim 4, characterized in that: A handle is fixedly provided on the upper end of the threaded cylinder.

6. The cardboard anti-bending and anti-warping mechanism for a carton forming machine according to claim 1, characterized in that: The outer surface of the pressing roller is evenly provided with a plurality of tapered grooves along the length direction, and the tapered grooves are used to fill the rubber strips.

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