Carton forming folding seam shaping structure

Abstract

The utility model provides a carton forming fold seam shaping structure which comprises a differential lower belt and a bulge pressing mechanism arranged on the differential lower belt, the differential lower belt comprises a differential wall plate and a conveying belt, the conveying belt is matched with an upper pressing belt located above the differential lower belt to convey folded paperboards, and the upper pressing belt is provided with a lower pressing belt. The bump pressing mechanism is arranged on the differential wall plate and comprises an upper pressing wheel, a lower pressing wheel and an adjusting assembly, and the upper pressing wheel and the lower pressing wheel are oppositely arranged up and down, rotationally connected with the differential wall plate, located on the outer side of the conveying belt and matched with each other for pressing and rolling to eliminate folding bumps; the adjusting assembly is used for adjusting the position between the lower pressing wheel and the conveying belt and the position between the lower pressing wheel and the upper pressing wheel. According to the utility model, creases and bumps can be eliminated, the creases of the carton are rolled to be prismatic, the appearance is attractive, the proportion of large and small openings of the carton is reduced, and the compression resistance of the carton is enhanced; and the device can be suitable for folding seam shaping of cartons of different specifications and is good in flexibility.

Description

Technical Field

[0001] The utility model relates to the technical field of carton production and manufacturing, in particular to a carton forming crease shaping structure. Background Art

[0002] The carton printing linkage production line usually includes paper feeding, printing, slotting, die-cutting, folding, and box gluing. Among them, folding is to fold the slotted cardboard to make the cardboard into a carton. It is an important link in the carton production process. Whether the carton folding line is straight and neat directly affects the appearance of the box.

[0003] During the folding process, due to the environment or the material of the carton, bulging will appear at the crease line, which will reduce the carton's compressive strength and increase the proportion of large and small holes in the carton, greatly affecting the quality of the carton. Utility Model Content

[0004] The utility model aims to provide a carton forming crease shaping structure to overcome the deficiencies in the prior art.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: a carton forming crease shaping structure, including a differential lower belt and a bulging mechanism arranged on the differential lower belt, the differential lower belt includes a differential wall panel and a conveyor belt, the conveyor belt and the upper pressure belt located above the differential lower belt cooperate to convey the folded cardboard, the bulging mechanism is arranged on the differential wall panel, including an upper pressure wheel, a lower pressure wheel, and an adjustment component, the upper pressure wheel and the lower pressure wheel are arranged opposite to each other up and down, and are both rotatably connected to the differential wall panel, and both are located on the outside of the conveyor belt, and the two cooperate to press and eliminate folding bulges, and the adjustment component is used to adjust the position between the lower pressure wheel and the conveyor belt, and the lower pressure wheel and the upper pressure wheel.

[0006] Furthermore, in the above-mentioned carton forming crease shaping structure, the upper pressing wheel is a conical wheel, and its pressing rolling part is a conical inclined surface; the lower pressing wheel is a roller, and its pressing rolling part is a conical section close to the conveyor belt; and the conical inclined surfaces of the upper pressing wheel pressing part and the lower pressing wheel pressing part are inclined in opposite directions.

[0007] Furthermore, in the above-mentioned carton forming crease shaping structure, the inclined surface of the lower pressure wheel pressing part is inclined upward from the inside to the outside of the conveyor belt, and the inclined surface of the upper pressure wheel pressing part is inclined downward from the inside to the outside of the conveyor belt.

[0008] Furthermore, in the above-mentioned carton forming crease shaping structure, the lowest point of the pressing roller of the lower pressing wheel is higher than the belt surface of the conveyor belt, and the differential wall panel is provided with a guiding inclined surface near the top of the lower pressing wheel.

[0009] Further, the paper box forming and crease shaping structure, the adjusting assembly comprises an adjusting cylinder and an adjusting arm, one end of the adjusting cylinder is hinged to the differential wall plate, the adjusting arm is an L-shaped plate, the lower end of the adjusting arm is hinged to the output end of the adjusting cylinder, the middle part of the adjusting arm is provided with a hinge seat movably connected with the differential wall plate, and the upper end of the adjusting arm is provided with a lower pressing wheel.

[0010] Further, the paper box forming and crease shaping structure, the adjusting assembly further comprises an adjusting seat, the adjusting seat is arranged outside the differential wall plate and is adjustably connected with the differential wall plate through a long hole, the upper end of the adjusting seat is provided with an upper pressing wheel movably connected with the adjusting seat, the adjusting seat is provided with a center hole and an arc hole with the same center, the upper pressing wheel is arranged at the top of an upper pressing wheel shaft, the middle part of the upper pressing wheel shaft is connected with the center hole, the bottom end of the upper pressing wheel shaft is connected with the arc hole, and the upper pressing wheel shaft can rotate around the center hole.

[0011] Further, the paper box forming and crease shaping structure, the adjusting assembly further comprises a limiting block, the limiting block is arranged on the differential wall plate and is arranged on both sides of the adjusting arm opposite to the adjusting seat.

[0012] Further, the paper box forming and crease shaping structure, the differential lower belt further comprises a plurality of pressing wheel assemblies arranged along the conveying direction, the plurality of pressing wheel assemblies are arranged on the bottom plate, and the bottom plate is provided with a height adjusting assembly for adjusting the height of the bottom plate.

[0013] Further, the paper box forming and crease shaping structure, the adjusting assembly comprises a sliding rail, a lifting plate, a speed reducer and a lead screw, both ends of the side of the bottom plate close to the differential wall plate are provided with sliding blocks, the sliding rail is arranged on the differential wall plate in correspondence with the sliding blocks and is slidably connected with the sliding blocks, the speed reducer is arranged outside the differential wall plate, the output end of the speed reducer is connected with the lead screw, the input end of the speed reducer is connected with a rotating handle, and the lifting plate is arranged at the bottom of the bottom plate and is threadedly connected with the lead screw and passes through the differential wall plate.

[0014] Compared with the prior art, the paper box forming and crease shaping structure has the advantages that the structure is simple, the crease bulge can be eliminated, the paper box crease can be rolled into a prism shape, the appearance is beautiful, the proportion of the size opening of the paper box is reduced, and the compression resistance of the paper box is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments in the present application, and other drawings can be obtained by those skilled in the art without creating any creative labor.

[0016] Figure 1 It is the structure schematic view of the paper box forming crease shaping structure of the utility model;

[0017] Figure 2 It is the local structure schematic view of the paper box forming crease shaping structure of the utility model;

[0018] Figure 3 It is Figure 2 The rear view structure schematic view of the utility model;

[0019] In the drawing: 1, differential lower belt; 11, differential wallboard; 111, guide inclined plane; 12, conveying belt; 13, compression wheel assembly; 14, bottom plate; 15, slide rail; 16, lifting plate; 17, speed reducer; 18, lead screw; 19, handle;

[0020] 2, compression drum mechanism; 21, upper compression wheel; 22, lower compression wheel; 23, adjusting cylinder; 24, adjusting arm; 25, hinge seat; 26, limiting positioning member; 27, adjusting seat; 271, long hole; 272, center hole; 273, arc-shaped hole; 28, upper compression wheel shaft; 29, limiting block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Embodiment 1

[0023] As Figures 1-3 shown, a paper box forming crease shaping structure, including differential lower belt 1 and the compression drum mechanism 2 that is located on differential lower belt 1, differential lower belt 1 includes differential wallboard 11, conveying belt 12, conveying belt 12 is cooperated with the upper compression belt located above differential lower belt 1 and is used for conveying folded paperboard, compression drum mechanism 2 is located on differential wallboard 11 and includes upper compression wheel 21, lower compression wheel 22 and adjusting assembly, upper compression wheel 21 and lower compression wheel 22 are oppositely arranged and are rotatably connected with differential wallboard 11, and both are located on the outer side of conveying belt 12, and are cooperated to eliminate the folded drum package, adjusting assembly is used for adjusting the position between lower compression wheel 22 and conveying belt 12 and lower compression wheel 22 and upper compression wheel 21, by adjusting position, it is suitable for different thickness specifications of paper box forming.

[0024] As Figure 1 , 2As shown, the upper pressing wheel 21 is a conical wheel, and the pressing roller part thereof is a conical slope. The lower pressing wheel 22 is a roller, and the pressing roller part thereof is a conical section close to the conveying belt. The conical slopes of the pressing roller parts of the upper pressing wheel 21 and the lower pressing wheel 22 are oppositely inclined. Specifically, the slope of the pressing roller part of the lower pressing wheel 22 is inclined upward along the direction from the inside to the outside of the conveying belt 12, and the slope of the pressing roller part of the upper pressing wheel 22 is inclined downward along the direction from the inside to the outside of the conveying belt 12.

[0025] In addition, as shown in Figure 1 、 3 the lowest point of the pressing roller part of the lower pressing wheel 22 is higher than the belt surface of the conveying belt 12, and the differential wall plate 11 is provided with a guide slope 111 close to the top of the lower pressing wheel 22. Through the above arrangement, the bottom bulge of the crease line is eliminated and is formed into an upwardly inclined slope, which is beneficial to the formation of the prism shape.

[0026] When the folded paperboard passes through the bulge eliminating mechanism 2, the carton crease line passes between the pressing roller parts of the upper pressing wheel 21 and the lower pressing wheel 22. The upper pressing wheel 21 and the lower pressing wheel 22 cooperate to eliminate the bulge and press the crease into a prism shape through the cooperation of the pressing roller parts (oppositely inclined conical slopes) of the upper pressing wheel 21 and the lower pressing wheel 22, which is beneficial to the appearance and reduces the proportion of the size of the carton, thereby strengthening the compression resistance of the carton.

[0027] Embodiment 2

[0028] Based on the structure of Embodiment 1, as shown in Figure 1 、 2 the adjusting assembly comprises an adjusting cylinder 23 and an adjusting arm 24. One end of the adjusting cylinder 23 is hingedly connected to the differential wall plate 11. The adjusting arm 24 is an L-shaped plate. The lower end of the adjusting arm 24 is hingedly connected to the output end of the adjusting cylinder 23. The middle part of the adjusting arm 24 is provided with a hinge seat 25 movably connected to the differential wall plate 11. The upper end of the adjusting arm 24 is provided with the lower pressing wheel 22. The hinge seat 25 is further provided with a limiting positioning member 26 for fixing the position of the adjusting arm 24. When adjustment is needed, the adjusting cylinder is started to drive the adjusting arm to rotate around the hinge seat, so as to adjust the distance between the lower pressing wheel and the conveying belt. After the position is adjusted, the position of the adjusting arm is fixed by rotating the limiting positioning member.

[0029] In addition, as shown in Figure 1 、 2As shown, the adjusting assembly further comprises an adjusting seat 27 provided outside the differential wall plate 11 and adjustably connected with the differential wall plate 11 through a long hole 271, and the upper end of the adjusting seat 27 is provided with an upper pressing wheel 21 movably connected therewith, so as to adjust the height of the upper pressing wheel 21; the adjusting seat 27 is provided with a center hole 272 and an arc-shaped hole 273 with the same center, the upper pressing wheel 21 is provided at the top of an upper pressing wheel shaft 28, the middle part of the upper pressing wheel shaft 28 is connected with the center hole 272, the bottom end is connected with the arc-shaped hole 273, and the upper pressing wheel shaft 28 can rotate around the center hole 272. By loosening the connecting part of the upper pressing wheel shaft 28 and the arc-shaped hole 273, the pressing angle of the upper pressing wheel 21 can be adjusted, so as to adjust the pressing force and the crease shape. Through the setting of the adjusting assembly, the pressing force can be adjusted, and the formed paper box of different thickness specifications can be adapted, and the flexibility is good.

[0030] As shown in Figure 1 , 2 , and the adjusting assembly further comprises a limiting block 29 provided on the differential wall plate 11 and arranged on both sides of the adjusting arm 24 opposite to the adjusting seat 27, so as to limit the rotating angle of the adjusting arm 24.

[0031] As shown in Figure 3 , the differential lower belt 1 further comprises a plurality of pressing wheel assemblies 13 arranged along the conveying direction, and the plurality of pressing wheel assemblies 13 are all arranged on the bottom plate 14, and the specific structure of the pressing wheel assembly is described in the prior art CN220114111U, which is not described in detail here.

[0032] As shown in Figures 1-3 , the bottom plate 14 is provided with a height adjusting assembly for adjusting the height of the bottom plate 14; the height adjusting assembly comprises a sliding rail 15, a lifting plate 16, a speed reducer 17 and a lead screw 18, both ends of the side of the bottom plate 14 close to the differential wall plate 11 are provided with sliding blocks, the sliding rail 15 is arranged on the differential wall plate 11 corresponding to the sliding blocks and is in sliding connection with the sliding blocks, the speed reducer 17 is arranged outside the differential wall plate 11, the output end of the speed reducer 17 is connected with the lead screw 18, the input end of the speed reducer 17 is connected with a rotating handle 19, and the lifting plate 16 is arranged at the bottom of the bottom plate 14 and passes through the differential wall plate 11 and is in threaded connection with the lead screw 18. By rotating the rotating handle 15, the speed reducer 17 drives the lead screw 18 to rotate, so as to drive the lifting plate 16 in threaded connection with the lead screw 18 to rise or fall, thereby driving the bottom plate 14 and the pressing wheel assemblies 13 on the bottom plate 14 to move, so as to ensure that the pressing wheel assemblies 13 are always in abutment with the conveying belt 12, and the distance between the conveying belt 12 and the upper pressing belt is ensured, the cutting pressure between the conveying belt 12 and the upper pressing belt is adapted, and the paperboard of different thickness specifications can be conveyed.

[0033] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0034] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A carton forming crease shaping arrangement characterised in that: The differential lower belt comprises a differential wall plate and a conveying belt, the conveying belt cooperates with an upper pressing belt above the differential lower belt to convey the folded paperboard, the pressing drum mechanism is arranged on the differential wall plate and comprises an upper pressing wheel, a lower pressing wheel and an adjusting assembly, the upper pressing wheel and the lower pressing wheel are arranged oppositely and are rotationally connected with the differential wall plate, and both are located outside the conveying belt, and the two cooperate to eliminate the drum package of the folded paperboard.

2. The carton forming crease shaping structure of claim 1 wherein: The upper pressing wheel is a conical wheel, the pressing roller part of the upper pressing wheel is a conical slope, the lower pressing wheel is a roller, the pressing roller part of the lower pressing wheel is a conical section close to the conveying belt, and the conical slope of the pressing roller part of the upper pressing wheel and the pressing roller part of the lower pressing wheel are oppositely inclined.

3. The carton forming crease shaping structure of claim 2, wherein: The slope of the pressing roller part of the lower pressing wheel is inclined upward along the direction from the inside to the outside of the conveying belt, and the slope of the pressing roller part of the upper pressing wheel is inclined downward along the direction from the inside to the outside of the conveying belt.

4. A carton forming crease shaping arrangement according to claim 1 or 3 wherein: The lowest point of the pressing roller part of the lower pressing wheel is higher than the belt surface of the conveying belt, and the differential wall plate is provided with a guide slope close to the top of the lower pressing wheel.

5. The carton forming crease shaping structure of claim 1 wherein: The adjusting assembly comprises an adjusting cylinder and an adjusting arm, one end of the adjusting cylinder is hinged to the differential wall plate, the adjusting arm is an L-shaped plate, the lower end of the adjusting arm is hinged to the output end of the adjusting cylinder, the middle part is provided with a hinge seat movably connected with the differential wall plate, and the upper end is provided with the lower pressing wheel.

6. The carton forming crease shaping arrangement of claim 5 wherein: The hinge seat is further provided with a limiting positioning member for fixing the position of the adjusting arm.

7. The carton forming crease shaping structure of claim 6, wherein: The adjusting assembly further comprises an adjusting seat, the adjusting seat is arranged outside the differential wall plate and is adjustably connected with the differential wall plate through a long hole, the upper end of the adjusting seat is provided with an upper pressing wheel movably connected therewith, the adjusting seat is provided with a center hole and an arc-shaped hole with the same center, the upper pressing wheel is arranged on the top of an upper pressing wheel shaft, the middle part of the upper pressing wheel shaft is connected with the center hole, the bottom end is connected with the arc-shaped hole, and the upper pressing wheel shaft can rotate around the center hole.

8. The carton forming crease shaping structure of claim 1 or 6, wherein: The adjusting assembly further comprises a limiting block, the limiting block is arranged on the differential wall plate and is arranged on both sides of the adjusting arm opposite to the adjusting seat, so as to limit the rotation angle of the adjusting arm.

9. The carton forming crease shaping structure of claim 8, wherein: The differential lower belt further comprises a plurality of pressing wheel assemblies arranged along the conveying direction, the plurality of pressing wheel assemblies are arranged on a base plate, and the base plate is provided with a height adjusting assembly for adjusting the height of the base plate. The adjusting assembly comprises a slide rail, a lifting plate, a speed reducer and a lead screw, the base plate is provided with a slide block at both ends of the side close to the differential wall plate, the slide rail is arranged on the differential wall plate corresponding to the slide block and is slidably connected with the slide block, the speed reducer is arranged outside the differential wall plate, the output end of the speed reducer is connected with the lead screw, the input end of the speed reducer is connected with a handle, and the lifting plate is arranged on the bottom of the base plate and is threadedly connected with the lead screw from the differential wall plate.

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