Double-layer paperboard cutting device

Abstract

The utility model discloses a double-layer paperboard cutting device which comprises a longitudinal cutting unit and a transverse cutting unit and further comprises a transition unit located between the longitudinal cutting unit and the transverse cutting unit. The transition unit comprises a middle conveying belt and a supporting table, first longitudinal plates which are oppositely arranged are arranged on the two sides of the upper portion of the middle conveying belt, and the two first longitudinal plates are fixed by the supporting table; second longitudinal plates are further arranged on the opposite faces of the two first longitudinal plates. The two first longitudinal plates are located between the two sides of the middle conveying belt. A waste material gap is formed between the first longitudinal plate and the second longitudinal plate; the ends, facing the longitudinal cutting unit, of the second longitudinal plates at the two ends are provided with flow guide conical heads, the tip ends of the two flow guide conical heads both face the cutting gap between the double-layer paperboard and the waste, and the flow guide conical heads are used for guiding the waste into the waste gap. By the adoption of the scheme, redundant waste on the two sides can be removed, and therefore the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the packaging production technical field, concretely relates to a double -layer paperboard cutting device. BACKGROUND

[0002] Double -layer paperboard is pasted as an integral whole by two paperboards, in actual production process, first pasting two paperboards, then cutting a big double -layer paperboard into several strips through longitudinal cutting unit, then cutting the strip into block shape in the horizontal cutting unit, thereby forming several double -layer paperboards, thereby for packaging.

[0003] And in actual cutting process, after passing through longitudinal cutting unit, due to the limitation of finished paperboard size, the excess waste on one side or both sides is inevitable after cutting, and if the waste enters the horizontal cutting unit synchronously, the cutting and the finished paperboard after cutting are mixed, and it is not easy to screen out, which increases the manual process. UTILITY MODEL CONTENT

[0004] The utility model discloses to solve the deficiency of prior art, the purpose is to provide a double -layer paperboard cutting device, adopt this scheme, can improve the rejection of the excess waste on both sides, thereby improve production efficiency.

[0005] The utility model discloses the following technical scheme realizes:

[0006] A double -layer paperboard cutting device, including longitudinal cutting unit and horizontal cutting unit, still including the transition unit between longitudinal cutting unit and horizontal cutting unit;

[0007] The transition unit includes intermediate conveyor belt and support platform, and the first longitudinal plate is arranged on both sides of the upper side of the intermediate conveyor belt, and the first longitudinal plate is fixed by the support platform;Second longitudinal plate is also arranged on the opposite surface of the first longitudinal plate;

[0008] Two first longitudinal plates are located between both sides of the intermediate conveyor belt, and the distance between the first longitudinal plate and the second longitudinal plate and the upper surface of the intermediate conveyor belt is less than the thickness of the double -layer paperboard;

[0009] The waste gap is formed between the first longitudinal plate and the second longitudinal plate;

[0010] The second longitudinal plate of both ends is provided with a flow cone head at one end of the longitudinal cutting unit, and the tip of the two flow cone heads is directed to the cutting gap between the double -layer paperboard and the waste, and the flow cone head is used to guide the waste into the waste gap.

[0011] The utility model provides a double -deck paperboard cutting device relative to prior art, if waste material is synchronously entered into the transverse cutting unit, is cut and will be mixed in the finished paperboard after cutting, and the problem of not easy screening, adopt this scheme, can improve the rejection of the excess waste material of two sides to improve production efficiency. Specific scheme, including longitudinal cutting unit and transverse cutting unit, longitudinal cutting unit is used for cutting a big piece of double -deck paperboard into several strips in the longitudinal direction and is transported to the intermediate conveyor through the conveyor of itself, transverse cutting unit is used for receiving the material on the intermediate conveyor and carries out longitudinal cutting and forms finished paperboard. Wherein, in order to remove the excess waste material of two sides, the bottom of intermediate conveyor has support table, support table is used to support the first longitudinal plate of two sides, the top of first longitudinal plate is connected with the second longitudinal plate of inside through connecting rod, like this, then the waste material gap between first longitudinal plate and second longitudinal plate is formed, wherein the one end of flow guide cone head is connected with second longitudinal plate, and the other end is pointed end, and the pointed end of flow guide cone head just points to the gap between waste material and strip plate, and the outlet position of longitudinal cutting unit can limit the conveying direction of strip plate, to avoid its deviation, like this, when several strip plates enter the intermediate conveyor, several strip plates enter between two second longitudinal plates through two flow guide cone heads and are transported by intermediate conveyor, and the waste material of two sides is guided into the waste material gap by flow guide cone head and continues to be transported by intermediate conveyor, to complete the advance segmentation between waste material and finished paperboard.

[0012] In order to avoid the jamming of the strip plate conveying, the pointed ends of the two flow guide cone heads are inclined towards each other. In this way, the spacing between the pointed ends of the two flow guide cone heads is substantially the same as the total width of the several strip plates, and the total width of the several strip plates is less than the spacing between the two second longitudinal plates, facilitating the conveying of the strip plates.

[0013] In order to facilitate the support of the first longitudinal plate, the support table has support plates on both sides of the top, and the two support plates extend upwards to the outside of both sides of the intermediate conveyor. The support plates are connected with the first longitudinal plates on the same side through connecting rods.

[0014] In order to adjust the spacing between the two second longitudinal plates according to the total width of the several strip plates, the spacing between the support plates and the first longitudinal plates on the same side is variable.

[0015] As a specific embodiment of a variable spacing, the connecting rod is a telescopic sleeve, and the support plate further has a telescopic air cylinder, and the output end of the telescopic air cylinder is connected with the first longitudinal plate.

[0016] In order to facilitate the discharge of waste material, the end of the first longitudinal plate is bent towards the outside of the intermediate conveyor, and the outside of the end of the second longitudinal plate has an arc-shaped flow guide plate, and the arc-shaped flow guide plate and the bent part of the end of the first longitudinal plate form a waste material outlet.

[0017] Since the double-layer paperboard will inevitably have debris after cutting, in order to discharge part of the debris, the intermediate conveying belt is sequentially provided with a plurality of spaced transverse belts at the middle of the length direction of the intermediate conveying belt. The transverse belt is located at the middle of the intermediate conveying belt, so that the strip-shaped board can be conveyed on the transverse belt, and part of the debris can fall from the gap between the adjacent two transverse belts.

[0018] In order to discharge all the debris, the top of the two second longitudinal plates is connected with a cover plate, and the cover plate is provided with a plurality of air inlet holes. The air inlet holes are used to connect the air source, and the debris is discharged from the gap between the adjacent two transverse belts by blowing air downward. Of course, the device for receiving waste is also provided below the intermediate conveying belt to avoid environmental pollution. The present scheme does not provide, for example, a receiving chamber is arranged at the middle of the support table.

[0019] In order to avoid the strip-shaped board from being deviated or lifted under the action of blowing air, a plurality of rollers are arranged on the lower side of the cover plate along the length direction of the cover plate, and the rollers are connected with the cover plate through a rod. A plurality of rollers along the length direction form a row, and a plurality of rows of rollers are sequentially arranged along the two side directions of the cover plate. In the present scheme, the strip-shaped board enters the intermediate conveying belt and is located between the rollers and the transverse belts. The displacement of the strip-shaped board is limited by the rollers, and the rollers can be placed on the strip-shaped board.

[0020] In order to avoid the strip-shaped board from being deformed due to excessive extrusion, a flexible layer is sleeved on the roller. The flexible layer is preferably rubber, and the friction force of the flexible layer can further prevent the strip-shaped board from being deviated.

[0021] The working principle of the present scheme is as follows: after the longitudinal cutting unit cuts a large piece of double-layer paperboard into a plurality of strip-shaped boards, the strip-shaped boards enter the intermediate conveying belt, the strip-shaped boards enter between the two second longitudinal plates through the two flow guide cones, and are conveyed by the intermediate conveying belt. The waste on both sides is guided into the waste gap by the flow guide cone and continues to be conveyed by the intermediate conveying belt, so as to complete the advance separation between the waste and the finished paperboard. The intermediate conveying belt is sequentially provided with a plurality of spaced transverse belts at the middle of the length direction of the intermediate conveying belt, the air inlet holes are connected with the air source, and the debris is discharged from the gap between the adjacent two transverse belts by blowing air downward. After the strip-shaped board enters the intermediate conveying belt, the strip-shaped board is located between the rollers and the transverse belts, and the displacement of the strip-shaped board is limited by the rollers. Finally, the strip-shaped board enters the transverse cutting unit to be transversely cut into a plurality of finished paperboards.

[0022] Compared with the prior art, the present application has the following advantages and beneficial effects:

[0023] 1. The double-layer paperboard cutting device can improve the removal of the excess waste on both sides, thereby improving the production efficiency.

[0024] 2.The utility model provides a double -layer paperboard cutting device adopts this scheme, and strip -shaped board can be conveyed on the horizontal belt, and part of chippings will fall from the gap between two adjacent horizontal belts, the air inlet hole is used for connecting the gas source, and the chippings are discharged from the gap between two adjacent horizontal belts by blowing air downward.

[0025] 3.The utility model provides a double -layer paperboard cutting device adopts this scheme, and strip -shaped board enters the intermediate conveyor, and will be located between the gyro wheel and horizontal belt, and the displacement of strip -shaped board is limited through the gyro wheel. DRAWINGS

[0026] The drawings described herein are used to provide further understanding of the embodiments of the utility model, constitute a part of this application, and do not constitute the limitation to the embodiments of the utility model.In the drawings:

[0027] Figure 1 The structure diagram of double -layer paperboard cutting device provided by the utility model is shown;

[0028] Figure 2 The overhead view of intermediate conveyor provided by the utility model is shown;

[0029] Figure 3 The overhead view of intermediate conveyor after removing the cover plate provided by the utility model is shown;

[0030] Figure 4 The front view of cover plate provided by the utility model is shown;

[0031] Figure 5 The side view of cover plate provided by the utility model is shown.

[0032] The marks in the drawings and the corresponding names of parts are as follows:

[0033] 1-longitudinal cutting unit, 2-horizontal cutting unit, 3-intermediate conveyor, 301-horizontal belt, 4-supporting table, 5-first vertical plate, 6-second vertical plate, 601-arc baffle, 7-cone head, 8-supporting plate, 9-connecting rod, 10-telescopic cylinder, 11-cover plate, 12-air inlet hole, 13-roller. DETAILED DESCRIPTION

[0034] In the following description, a large number of specific details are set forth to provide a thorough understanding of the present application. However, it will be apparent to one of ordinary skill in the art that the present application can be practiced without these specific details. In other instances, well-known structures, circuits, materials or processes have not been described in detail in order to avoid obscuring the application.

[0035] Reference throughout this specification to "one embodiment", "an embodiment", "one design", or "a design" means that a particular feature, structure, or characteristic described in connection with the embodiment or design is included in at least one embodiment of the application. Thus, appearances of the phrases "in one embodiment", "in an embodiment", "in one design", or "in a design" in various places throughout this specification are not necessarily all referring to the same embodiment or design. Furthermore, the particular features, structures, or characteristics can be combined in any suitable

[0036] In the description of the application, the terms "front", "back", "left", "right", "top", "bottom", "vertical", "horizontal", "high", "low", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the application.

[0037] Embodiment:

[0038] The embodiment provides a double-layer paperboard cutting device, as shown in the drawings. Figures 1-5 The double-layer paperboard cutting device provided by the utility model has the advantages of simple structure, convenient use, high cutting efficiency and high cutting accuracy. Figure 1 The double-layer paperboard cutting device provided by the utility model has the advantages of simple structure, convenient use, high cutting efficiency and high cutting accuracy. Figure 2 The double-layer paperboard cutting device provided by the utility model has the advantages of simple structure, convenient use, high cutting efficiency and high cutting accuracy. Figure 3 The double-layer paperboard cutting device provided by the utility model has the advantages of simple structure, convenient use, high cutting efficiency and high cutting accuracy. Figure 4 The double-layer paperboard cutting device provided by the utility model has the advantages of simple structure, convenient use, high cutting efficiency and high cutting accuracy. Figure 5 The double-layer paperboard cutting device provided by the utility model has the advantages of simple structure, convenient use, high cutting efficiency and high cutting accuracy.

[0039] In the specific scheme, the double-layer paperboard cutting device comprises a longitudinal cutting unit 1 and a transverse cutting unit 2, and further comprises a transition unit located between the longitudinal cutting unit 1 and the transverse cutting unit 2.

[0040] The transition unit comprises an intermediate conveying belt 3 and a supporting table 4, and the intermediate conveying belt 3 is provided with first longitudinal plates 5 facing each other on both sides above the intermediate conveying belt 3, and the first longitudinal plates 5 are fixed by the supporting table 4; the first longitudinal plates 5 are further provided with second longitudinal plates 6 on opposite surfaces of the first longitudinal plates 5.

[0041] The first longitudinal plates 5 are located between both sides of the intermediate conveying belt 3, and the distance from the first longitudinal plates 5 and the second longitudinal plates 6 to the upper surface of the intermediate conveying belt 3 is less than the thickness of the double-layer paperboard.

[0042] The first longitudinal plate 5 and the second longitudinal plate 6 form a waste gap therebetween;

[0043] The second longitudinal plate 6 at both ends is provided with a flow guide cone head 7 facing one end of the longitudinal cutting unit 1, the tip of each of the two flow guide cone heads 7 faces the cutting gap between the double-layer paperboard and the waste, and the flow guide cone head 7 is used to guide the waste into the waste gap.

[0044] Compared with the prior art, if the waste is simultaneously introduced into the transverse cutting unit 2, the waste is cut and mixed in the cut finished paperboard, and it is not easy to screen out the problem, the utility model provides a double-layer paperboard cutting device, adopts this scheme, can improve the rejection of the excess waste on both sides, thereby improve the production efficiency. In the specific scheme, it includes a longitudinal cutting unit 1 and a transverse cutting unit 2, the longitudinal cutting unit 1 is used to cut a large piece of double-layer paperboard into several strips, and is conveyed to the intermediate conveying belt 3 through the conveying device itself; the transverse cutting unit 2 is used to receive the material on the intermediate conveying belt 3 and is longitudinally cut to form finished paperboard. Wherein, in order to reject the excess waste on both sides, the bottom of the intermediate conveying belt 3 is provided with a support table 4, the support table 4 is used to support the first longitudinal plate 5 on both sides, the top of the first longitudinal plate 5 is connected with the second longitudinal plate 6 on the inner side through a connecting rod, so that the waste gap is formed between the first longitudinal plate 5 and the second longitudinal plate 6; wherein the flow guide cone head 7 is connected with the second longitudinal plate 6 at one end, and the other end is a tip, and the tip is just directed to the gap between the waste and the strip-shaped plate, and the outlet position of the longitudinal cutting unit 1 can limit the conveying direction of the strip-shaped plate, so as to avoid deviation; in this way, when several strip-shaped plates enter the intermediate conveying belt 3, the several strip-shaped plates enter between the two second longitudinal plates 6 through the two flow guide cone heads 7, and are conveyed by the intermediate conveying belt 3; and the waste on both sides is guided into the waste gap by the flow guide cone head 7, and is continuously conveyed by the intermediate conveying belt 3, so as to complete the advance separation between the waste and the finished paperboard.

[0045] In order to avoid the strip-shaped plate from being stuck during conveying, the tips of the two flow guide cone heads 7 are inclined towards each other. In this way, the distance between the tips of the two flow guide cone heads 7 is basically the same as the total width of the several strip-shaped plates, and the total width of the several strip-shaped plates is smaller than the distance between the two second longitudinal plates 6, so as to facilitate the conveying of the strip-shaped plate.

[0046] In order to facilitate the support of the first longitudinal plate 5, the top of the support table 4 is provided with a support plate 8 on both sides, the two support plates 8 extend upwards to the outside of both sides of the intermediate conveying belt 3; the support plate 8 is connected with the first longitudinal plate 5 on the same side through a connecting rod 9.

[0047] In order to adjust the distance between the two second longitudinal plates 6 according to the total width of the several strip-shaped plates, the distance between the support plate 8 and the first longitudinal plate 5 on the same side is variable.

[0048] As a specific embodiment of variable spacing, the connecting rod 9 is a telescopic sleeve, and the support plate 8 is further provided with a telescopic cylinder 10, and the output end of the telescopic cylinder 10 is connected with the first longitudinal plate 5.

[0049] In order to facilitate the discharge of waste, the end of the first longitudinal plate 5 is bent outwardly of the intermediate conveying belt 3; the outer side of the end of the second longitudinal plate 6 is provided with an arc-shaped guide plate 601, and the arc-shaped guide plate 601 and the bent part of the end of the first longitudinal plate 5 form a waste outlet.

[0050] Since there will be inevitably some scraps after the double-layer paperboard is cut, in order to discharge part of the scraps, the intermediate conveying belt 3 is provided with a plurality of transverse belts 301 which are arranged at intervals along the length direction of the intermediate conveying belt 3. Among them, the transverse belt 301 is located at the middle position of the intermediate conveying belt 3, so that the strip-shaped plate can be conveyed on the transverse belt 301, and part of the scraps will fall from the gap between the adjacent two transverse belts 301.

[0051] In order to discharge all the scraps, the top of the two second longitudinal plates 6 is connected with a cover plate 11, and the cover plate 11 is provided with a plurality of air inlet holes 12. Among them, the air inlet hole 12 is used to connect the air source, and the scraps are discharged from the gap between the adjacent two transverse belts 301 by blowing air downward. Of course, the device for receiving the waste is also provided below the intermediate conveying belt 3 to avoid pollution of the environment. The present scheme does not consider, for example, that a receiving chamber is arranged at the middle part of the support table 4.

[0052] In order to avoid the strip-shaped plate from being deviated or lifted under the action of blowing air, a plurality of rollers 13 are arranged on the lower side of the cover plate 11 along the length direction of the cover plate 11, and the rollers 13 are connected with the cover plate 11 through a rod. A plurality of rollers 13 along the length direction form a row, and a plurality of rows of rollers 13 are arranged along the direction of the two sides of the cover plate 11. In the present scheme, after the strip-shaped plate enters the intermediate conveying belt 3, it will be located between the roller 13 and the transverse belt 301, and the displacement of the strip-shaped plate is limited by the roller 13, and the roller 13 can be placed on the strip-shaped plate.

[0053] In order to avoid the strip-shaped plate from being deformed due to excessive extrusion, a flexible layer is sleeved on the roller 13; the flexible layer is preferably rubber, and the friction force can further prevent the strip-shaped plate from being deviated.

[0054] The working principle of the present scheme is as follows: after the longitudinal cutting unit 1 cuts a large double-layer paperboard into a plurality of strip-shaped plates, the strip-shaped plates enter the intermediate conveying belt 3, the strip-shaped plates enter between the two second longitudinal plates 6 through the two guide cones 7, and are conveyed by the intermediate conveying belt 3; the waste on both sides is guided into the waste gap by the guide cone 7, and continues to be conveyed by the intermediate conveying belt 3, so as to complete the advance separation between the waste and the finished paperboard.

[0055] The intermediate conveying belt 3 is provided with a plurality of transverse belts 301 at the middle part along the length direction of the intermediate conveying belt 3, and the air inlet hole 12 is connected with an air source and blows air downward to discharge the debris from the gap between the adjacent two transverse belts 301. After the strip-shaped board enters the intermediate conveying belt 3, the strip-shaped board is located between the rollers 13 and the transverse belts 301, and the displacement of the strip-shaped board is limited by the rollers 13, so as to finally enter the transverse cutting unit 2 to be cut into a plurality of finished paper boards.

[0056] The double-layer paper board cutting device provided by the above scheme can improve the removal of the excess waste on both sides, thereby improving the production efficiency. The strip-shaped board can be conveyed on the transverse belt, and part of the debris can fall from the gap between the adjacent two transverse belts. The air inlet hole is used to connect with an air source and blow air downward to discharge the debris from the gap between the adjacent two transverse belts. After the strip-shaped board enters the intermediate conveying belt, the strip-shaped board is located between the rollers and the transverse belts, and the displacement of the strip-shaped board is limited by the rollers.

[0057] The above specific embodiments are used to further explain the purpose, technical scheme and advantages of the present application. It should be understood that the above description is only a specific embodiment of the present application and is not used to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A double-layered paperboard cutting apparatus comprising a longitudinal cutting unit (1) and a transverse cutting unit (2), characterized in that, The transition unit is arranged between the longitudinal cutting unit (1) and the transverse cutting unit (2); The transition unit comprises an intermediate conveying belt (3) and a support table (4), the intermediate conveying belt (3) is provided with first longitudinal plates (5) on both sides above the intermediate conveying belt (3), and the first longitudinal plates (5) are fixed by the support table (4); the first longitudinal plates (5) are further provided with second longitudinal plates (6) on opposite surfaces of the first longitudinal plates (5); The first longitudinal plates (5) are arranged between both sides of the intermediate conveying belt (3), and the distance from the first longitudinal plates (5) and the second longitudinal plates (6) to the upper surface of the intermediate conveying belt (3) is less than the thickness of the double-layer paperboard; The first longitudinal plates (5) and the second longitudinal plates (6) form a waste gap therebetween; The second longitudinal plates (6) are provided with flow guide cone heads (7) at one end of both ends and facing the longitudinal cutting unit (1), the tip portions of the flow guide cone heads (7) face the cutting gap between the double-layer paperboard and the waste, and the flow guide cone heads (7) are used for guiding the waste into the waste gap.

2. A double-ply paperboard cutting apparatus as defined in claim 1, wherein, The tip portions of the flow guide cone heads (7) are inclined towards each other.

3. A double-ply paperboard cutting apparatus as defined in claim 1, wherein, The support table (4) is provided with support plates (8) at both sides of the top of the support table (4), the support plates (8) extend upwards to the outside of both sides of the intermediate conveying belt (3), and the support plates (8) are connected to the first longitudinal plates (5) on the same side by connecting rods (9).

4. A double-ply paperboard cutting apparatus as defined in claim 3, wherein, The distance between the support plates (8) and the first longitudinal plates (5) on the same side is variable.

5. A double-ply paperboard cutting apparatus as defined in claim 4, wherein, The connecting rods (9) are telescopic sleeves, the support plates (8) are further provided with telescopic air cylinders (10), and the output ends of the telescopic air cylinders (10) are connected to the first longitudinal plates (5).

6. A double-ply paperboard cutting apparatus as defined in claim 1, wherein, The end of the first longitudinal plate (5) is bent to the outside of the intermediate conveying belt (3), the second longitudinal plate (6) is provided with an arc-shaped flow guide plate (601) outside the end of the second longitudinal plate (6), and the arc-shaped flow guide plate (601) and the bent part of the end of the first longitudinal plate (5) form a waste outlet.

7. A double-ply paperboard cutting apparatus as defined in claim 1, wherein, The intermediate conveying belt (3) is provided with a plurality of transverse belts (301) which are arranged at intervals in the middle of the length direction of the intermediate conveying belt (3).

8. A double-ply paperboard cutting apparatus as defined in claim 7, wherein, The top portions of the second longitudinal plates (6) are connected by a cover plate (11), and the cover plate (11) is provided with a plurality of air inlet holes (12).

9. A double-ply paperboard cutting apparatus as defined in claim 8, wherein, A plurality of rollers (13) are arranged on the underside of the cover plate (11) along the length direction of the cover plate (11), the rollers (13) are connected to the cover plate (11) by rods, a plurality of the rollers (13) along the length direction form a row, and a plurality of rows of the rollers (13) are arranged along the two sides of the cover plate (11).

10. A double-ply paperboard cutting apparatus as defined in claim 9, wherein, A flexible layer is arranged on the rollers (13).

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