Angle pre-folding device of carton transparent paper packaging machine

Abstract

The utility model discloses a pre-beveling device of a carton transparent paper packaging machine, which comprises a folding push plate, a first pre-beveling mechanism and a second pre-beveling mechanism, the first pre-beveling mechanism and the second pre-beveling mechanism are arranged at two ends of the folding push plate, and each of the first pre-beveling mechanism and the second pre-beveling mechanism comprises a fixed seat and a fixed seat, the fixed seat is used for being fixedly connected onto the folding push plate; the pre-folding plate is arranged on the side, facing the transparent paper, of the fixing base, and a first inclined face inclining outwards is arranged at the top end of the pre-folding plate; and the folding blocks are arranged above the fixing base, the opposite faces of the folding blocks of the first pre-folding mechanism and the folding blocks of the second pre-folding mechanism are provided with folding faces, and the folding faces are planes. By means of the transparent paper corner folding device, transparent paper corners can be flat, and therefore the product defect of poor transparent paper corner folding is overcome.

Description

Technical Field

[0001] The utility model relates to the technical field of cigarette packaging, in particular to a pre-cornering device of a strip box transparent paper packaging machine. Background Art

[0002] With the continuous development of the national tobacco industry, the country's requirements for the effective operation rate and product quality of packaging machines are also constantly increasing, so the ability to innovate packaging technology has become particularly important.

[0003] After the cigarettes in small boxes are packed into strips, they need to be wrapped with transparent paper on the cigarette strip boxes. This process is achieved by the cigarette strip packaging machine. Therefore, the good operating performance and reliability of the packaging machine are important factors in improving the packaging quality. The YB95 strip box transparent paper packaging machine folds, heat-seals and outputs the cigarette strips delivered by the upstream machine and the transparent paper cut to a fixed length. The cigarette strips delivered by the upstream machine and the cut transparent paper meet at the first lifting point. The first lifting device lifts the cigarette strips and the transparent paper to the top together. The bottom long side folding push plate moves horizontally under the action of the cam and the connecting rod to complete the folding of the lower long side of the transparent paper. The left and right anglers installed on the long side folding push plate complete the folding of the two short sides of the transparent paper during the movement of the folding push plate. The cigarette strips complete the up and down folding of the two short sides during the conveying process. However, the original left and right anglers will produce a large number of defective products with poor folding during the folding process, which seriously affects the appearance of the cigarette strip packaging, affects the product quality, and causes waste of raw and auxiliary materials. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the original angle folding device of the strip box transparent paper packaging machine in the prior art will produce a large number of defective products with poor angle folding during the folding process. The utility model provides a pre-angle folding device of the strip box transparent paper packaging machine, which can make the angle of the transparent paper flat, thereby solving the product defect of the poor angle folding of the transparent paper.

[0005] In order to solve the above technical problems, the embodiment of the utility model provides a pre-folding device of a strip box transparent paper packaging machine, comprising: a folding push plate and a first pre-folding mechanism and a second pre-folding mechanism arranged at both ends of the folding push plate, wherein the first pre-folding mechanism and the second pre-folding mechanism both include:

[0006] A fixing seat, used for fixing and connecting to the folding push plate;

[0007] The pre-folding plate is arranged on the side of the fixing seat facing the transparent paper, and the top of the pre-folding plate is provided with a first inclined surface inclined outwards;

[0008] The folding block is arranged above the fixing seat. The mutually facing surfaces of the folding block of the first pre-folding mechanism and the folding block of the second pre-folding mechanism are both provided with folding surfaces, and the folding surfaces are planes.

[0009] According to another specific embodiment of the present invention, the acute angle formed by the top end of the pre-folded plate is 40°.

[0010] According to another specific embodiment of the utility model, the top end of the pre-folded plate is provided with a chamfer.

[0011] According to another specific embodiment of the present invention, the length of the top end of the pre-folded plate relative to the front end of the fixing seat is 20 mm;

[0012] And / or, the thickness of the pre-folded board is 3 mm.

[0013] According to another specific embodiment of the utility model, each fixing seat is provided with a plurality of mounting holes, and fastening screws are provided in the mounting holes, and the fixing seat is fixed to the folding push plate by the fastening screws.

[0014] According to another specific embodiment of the present utility model, each fixing seat is provided with two mounting holes, and the mounting holes are staggered along the first direction.

[0015] According to another specific embodiment of the present utility model, the upper surface of each folding block includes a first plane and a second inclined surface inclined downward, and the first plane is adjacent to the folding surface.

[0016] According to another specific embodiment of the present invention, the second inclined surface is inclined downward at an angle of 10° to 15° relative to the first plane.

[0017] According to another specific embodiment of the present invention, the front side surface of each folding block is inclined inwardly, and the angle between the front side surface of each folding block and the upper surface of the pre-folding plate is 80° to 83°.

[0018] According to another specific embodiment of the present utility model, the distance between the first pre-angle bending mechanism and the second pre-angle bending mechanism is 2 mm greater than the length of the strip box.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] According to the pre-folding device of the strip box transparent paper packaging machine provided by the utility model, a first pre-folding mechanism and a second pre-folding mechanism are respectively arranged at both ends of the folding push plate, wherein the first pre-folding mechanism and the second pre-folding mechanism both include a fixed seat, a pre-folding plate and a folding block, the pre-folding plate is provided with a first inclined surface inclined outwardly to pre-fold the transparent paper at a certain angle, and the folding surfaces on the folding block that are opposite to each other are arranged to be a plane, so that the contact between the folding block and the transparent paper is smoother, thereby achieving the purpose of smoothing the folding angle of the transparent paper and reducing the poor folding angle of the transparent paper. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1A schematic diagram showing the three-dimensional structure of a pre-cornering device of a strip box transparent paper packaging machine provided by an embodiment of the utility model;

[0022] Figure 2 A top view of a pre-cornering device of a strip box transparent paper packaging machine provided by an embodiment of the utility model is shown;

[0023] Figure 3 A side view of a first pre-angle folding mechanism in a pre-angle folding device provided in one embodiment of the utility model is shown. DETAILED DESCRIPTION

[0024] The following is an explanation of the implementation of the present invention by specific specific embodiments. Those skilled in the art can easily understand other advantages and functions of the present invention from the contents disclosed in this specification. Although the description of the present invention will be introduced in conjunction with the preferred embodiment, this does not mean that the features of this utility model are limited to this implementation. On the contrary, the purpose of introducing the utility model in conjunction with the implementation is to cover other options or modifications that may be extended based on the claims of the present invention. In order to provide a deep understanding of the present invention, the following description will include many specific details. The present invention can also be implemented without using these details. In addition, in order to avoid confusion or blurring the focus of the present invention, some specific details will be omitted in the description. It should be noted that, in the absence of conflict, the embodiments in the present invention and the features in the embodiments can be combined with each other.

[0025] It should be noted that in this specification, similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0026] In the description of this embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply 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 on the utility model.

[0027] The terms “first”, “second”, etc. are only used for distinguishing descriptions and should not be understood as indicating or implying relative importance.

[0028] In the description of this embodiment, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this embodiment can be understood according to specific circumstances.

[0029] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0030] After research, the inventor found that the corner folding device of the existing transparent paper packaging machine lacks a pre-folding device, which easily causes product defects such as wrinkles and damage on the horizontal edges of the transparent paper in the carton, seriously affecting the appearance of the carton cigarette packaging, which not only affects the product quality, but also causes waste of raw and auxiliary materials; in addition, rework is required, which is time-consuming and labor-intensive, and the equipment often undergoes a large number of repairs due to such product defects, seriously affecting the operating efficiency of the equipment.

[0031] Figures 1 to 3 They are schematic diagrams of the structure of a pre-cornering device of a strip box transparent paper packaging machine provided by an embodiment of the utility model. Figure 1 and Figure 2 As shown, in this embodiment, the pre-folding device of the strip box transparent paper packaging machine includes: a folding push plate 1 and a first pre-folding mechanism 2 and a second pre-folding mechanism 3 arranged at both ends of the folding push plate 1, wherein the first pre-folding mechanism 2 and the second pre-folding mechanism 3 both include:

[0032] A fixing seat 4, used for being fixedly connected to the folding push plate 1;

[0033] The pre-folding plate 5 is arranged on the side of the fixing base 4 facing the transparent paper, and the top of the pre-folding plate 5 is provided with a first inclined surface 51 inclined outwards;

[0034] The folding block 6 is arranged above the fixing seat 4. The mutually facing surfaces of the folding block 6 of the first pre-folding mechanism 2 and the folding block 6 of the second pre-folding mechanism 3 are both provided with a folding surface 61, and the folding surface 61 is a plane.

[0035] The pre-folding device of the strip box transparent paper packaging machine provided by the utility model is adopted, by respectively arranging a first pre-folding mechanism 2 and a second pre-folding mechanism 3 at both ends of a folding push plate 1, wherein the first pre-folding mechanism 2 and the second pre-folding mechanism 3 both include a fixed seat 4, a pre-folding plate 5 and a folding block 6, the pre-folding plate 5 is provided with a first inclined surface 51 inclined outwardly to pre-fold the transparent paper at a certain angle, and the folding surfaces 61 on the folding block 6 that are opposite to each other are set to a plane, so that the contact between the folding block 6 and the transparent paper is smoother, thereby achieving the purpose of smoothing the folding angle of the transparent paper and reducing the poor folding angle of the transparent paper.

[0036] Specifically, in this embodiment, the fixing seat 4 is in the shape of a rectangular parallelepiped, and is used to fix the pre-angle mechanism on the folding push plate 1, so that the pre-angle mechanism can be moved along with the folding push plate 1 in the first direction (such as Figure 1 The folding push plate 1 reciprocates along the x direction (as shown in the middle), and in the process of the folding push plate 1 moving toward the strip box along the first direction, the first pre-folding mechanism and the second pre-folding mechanism can fold the two short sides of the transparent paper on both sides of the strip box.

[0037] The pre-folding plate 5 is arranged at the front end of the fixing seat 4, and a first inclined surface 51 inclined outwardly is arranged at the top end of the pre-folding plate 5, so that when the transparent paper contacts the first inclined surface 51, the transparent paper is pre-folded at a certain angle. The pre-folding process is a gradual process, so wrinkles of the transparent paper can be avoided when the transparent paper is folded, thereby achieving a smooth folding corner of the transparent paper, thereby reducing the occurrence of poor folding corners of the transparent paper.

[0038] The folding block 6 is arranged above the fixing seat 4, and the mutually opposite surfaces of the folding block 6 are provided with folding surfaces 61, which are planes, so that the folding surface 61 is in full contact with the transparent paper, so that the contact between the folding block 6 and the transparent paper is smoother, and wrinkles are avoided when the folding block 6 contacts and folds the transparent paper, and the folding block 6 is used in conjunction with the pre-folding plate 5 to achieve the best folding angle smoothing effect. Optionally, the connection between each surface of the folding block 6 is provided with a chamfer to facilitate the smooth passage of the transparent paper and avoid scratching and damaging the transparent paper.

[0039] Optionally, in this embodiment, the fixing seat 4, the pre-folding plate 5 and the folding block 6 are an integrally formed structure. Of course, in other embodiments, the fixing seat 4, the pre-folding plate 5 and the folding block 6 can also adopt a split-formed structure, and the utility model does not limit this and can be set according to specific circumstances.

[0040] Furthermore, if Figure 2 As shown, in this embodiment, the acute angle α formed by the top end of the pre-folded plate 5 is 40°. Optionally, the top end of the pre-folded plate 5 is chamfered.

[0041] With this technical solution, when the pre-folding plate 5 moves forward, the top end of the pre-folding plate 5 is folded at a 40° angle, and the pre-folding plate 5 can protect the transparent paper and prevent the transparent paper from wrinkling. At the same time, under the guidance of the first inclined surface 51 of the pre-folding plate 5, the transparent paper changes from the original 90° to 50°, completing the 50° folding angle of the transparent paper. This pre-folding is a gradual process, so the folding angle of the transparent paper can be further made smooth and the folding angle of the transparent paper can be reduced.

[0042] Furthermore, if Figure 3 As shown, in this embodiment, the length L of the top end of the pre-folding plate 5 relative to the front end of the fixing seat 4 is 20 mm;

[0043] And / or, the thickness H of the pre-folded plate 5 is 3 mm.

[0044] The pre-folding effect is best when the pre-folding plate 5 is set to the above size. If the size is too large, it is easy to scratch the transparent paper and cause wrinkles on the transparent paper; if the size is too small, the pre-folding effect cannot be achieved.

[0045] Furthermore, each fixing seat 4 is provided with a plurality of mounting holes 41 , and fastening screws are provided in the mounting holes 41 , and the fixing seat 4 is fixed to the folding push plate 1 by the fastening screws.

[0046] Optionally, in the present embodiment, the cross-sectional shape of the mounting hole 41 is circular, so as to cooperate with the fastening screws to facilitate fixing the fixing seat 4 to the folding push plate 1 .

[0047] Optionally, in this embodiment, each fixing seat 4 is provided with two mounting holes 41, and the mounting holes 41 are staggered along the first direction, so that the installation and positioning of the fixing seat 4 can be ensured.

[0048] Furthermore, if Figure 1 and Figure 2 As shown, in this embodiment, the upper surface of each folding block 6 includes a first plane 62 and a second inclined surface 63 inclined downward, and the first plane 62 is adjacent to the folding surface 61. Optionally, the second inclined surface 63 is inclined downward at an angle of 10° to 15° relative to the first plane 62.

[0049] Specifically, the first plane 62 is parallel to the upper surface of the fixing seat 4 and extends along the first direction, and one side of the first plane 62 is connected to the folding surface 61, and the other side is adjacent to the second inclined surface 63, and the second inclined surface 63 is closer to the outside of the folding block 6. With this technical solution, when the first pre-folding mechanism and the second pre-folding mechanism fold the transparent paper, the transparent paper is not completely formed after pre-folding, and a circular arc shape is formed. The second inclined surface 63 inclined downward is provided to facilitate the passage and forming of the transparent paper.

[0050] Furthermore, if Figure 3As shown, in this embodiment, the front side surface of each folding block 6 is inclined inward, and the angle θ between the front side surface and the upper surface of the pre-folding plate 5 is 80° to 83°.

[0051] By adopting this technical solution, the folding surface 61 can change the contact between the folding surface 61 and the transparent paper from point contact to surface contact, so that the folding quality of the transparent paper can be better and wrinkles will not appear.

[0052] Furthermore, the distance between the first pre-angle bending mechanism 2 and the second pre-angle bending mechanism 3 is 2 mm greater than the length of the strip box.

[0053] This technical solution can not only ensure that the first pre-folding mechanism 2 and the second pre-folding mechanism 3 can fold the two short sides of the transparent paper at both ends of the box more smoothly, but also the first pre-folding mechanism 2 and the second pre-folding mechanism 3 will not interfere with and damage the box, and can also ensure the integrity of the folded corners of the transparent paper.

[0054] When in use, when the folding push plate 1 moves forward in the first direction, it drives the first pre-folding mechanism 2 and the second pre-folding mechanism 3 to move forward, and the first inclined surface 51 of the pre-folding plate 5 contacts the transparent paper. During the forward movement of the pre-folding plate 5, the transparent paper is guided by the first inclined surface 51 of the pre-folding plate 5 and eventually becomes a 50° angle. This pre-folding is a gradual process, so it can avoid wrinkles on the transparent paper when the pre-folding plate 5 folds the transparent paper, thereby achieving a smooth angle of the transparent paper, and further reducing the occurrence of poor angles of the transparent paper. In addition, the folding surface 61 of the folding block 6 is a plane, so the contact between the folding surface 61 and the transparent paper is smoother, which can make the folding quality of the transparent paper better and prevent wrinkles.

[0055] Although the present invention has been illustrated and described with reference to certain preferred embodiments of the present invention, it should be understood by those skilled in the art that the above contents are further detailed descriptions of the present invention in combination with specific embodiments, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. Those skilled in the art may make various changes in form and details, including making several simple deductions or substitutions, without departing from the spirit and scope of the present invention.

Claims

1. A pre-cornering device for a strip box transparent paper packaging machine, characterized in that: include: A folding push plate and a first pre-angle folding mechanism and a second pre-angle folding mechanism provided at both ends of the folding push plate, wherein the first pre-angle folding mechanism and the second pre-angle folding mechanism both include: A fixing seat, used for being fixedly connected to the folding push plate; A pre-folding plate is arranged on a side of the fixing seat facing the transparent paper, and a first inclined surface inclined outward is arranged on the top of the pre-folding plate; A folding block is arranged above the fixing seat, and the mutually facing surfaces of the folding block of the first pre-folding mechanism and the folding block of the second pre-folding mechanism are both provided with folding surfaces, and the folding surfaces are planes.

2. The pre-cornering device of the strip box transparent paper packaging machine according to claim 1, characterized in that: The acute angle formed by the top end of the pre-folded plate is 40°.

3. The pre-cornering device of the strip box transparent paper packaging machine according to claim 1, characterized in that: The top end of the pre-folded plate is provided with a chamfer.

4. The pre-cornering device of the strip box transparent paper packaging machine according to claim 1, characterized in that: The length of the top end of the pre-folded plate relative to the front end of the fixing seat is 20 mm; And / or, the thickness of the pre-folded plate is 3 mm.

5. The pre-cornering device of the strip box transparent paper packaging machine according to claim 1, characterized in that: Each of the fixing seats is provided with a plurality of mounting holes, and fastening screws are provided in the mounting holes. The fixing seat is fixed to the folding push plate through the fastening screws.

6. The pre-cornering device of the strip box transparent paper packaging machine according to claim 5, characterized in that: Each of the fixing seats is provided with two mounting holes, and the mounting holes are staggered along the first direction.

7. The pre-cornering device of the strip box transparent paper packaging machine according to claim 1, characterized in that: The upper surface of each folding block includes a first plane and a second inclined surface inclined downward, wherein the first plane is adjacent to the folding surface.

8. The pre-cornering device of the strip box transparent paper packaging machine according to claim 7, characterized in that: The second inclined surface is inclined downwardly at an angle of 10° to 15° relative to the first plane.

9. The pre-cornering device of the strip box transparent paper packaging machine according to claim 1, characterized in that: The front side surface of each folding block is inclined inwardly, and the angle between the front side surface and the upper surface of the pre-folding plate is 80° to 83°.

10. The pre-cornering device of the strip box transparent paper packaging machine according to claim 1, characterized in that: The distance between the first pre-angle mechanism and the second pre-angle mechanism is 2 mm greater than the length of the strip box.

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