Folding beam with turnover head

Abstract

The folding beam comprises an upper folding beam and a lower folding beam which are oppositely arranged up and down, the upper folding beam comprises an upper rear folding beam, an upper front folding beam and a first overturning assembly, and the upper front folding beam is arranged on the right front side of the upper rear folding beam and rotationally connected with the upper rear folding beam through the first overturning assembly; the lower folding beam comprises a lower rear folding beam body, a lower front folding beam body and a second overturning assembly, the lower front folding beam body is arranged on the right front side of the lower rear folding beam body and rotationally connected with the lower rear folding beam body through the second overturning assembly, and the upper front folding beam body and the lower front folding beam body are oppositely arranged up and down and can rotate in the same direction. The head of the folding beam can be turned over, when the die cutting plate needs to be replaced, the upper front folding beam and the lower front folding beam can be turned over upwards, operation is more convenient and faster, and replacement efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of cardboard box manufacturing technology, and in particular to a folding beam with a flip-up head. Background Technology

[0002] A typical integrated carton printing production line includes processes such as paper feeding, printing, slotting, die-cutting, folding, and gluing. In this line, the die-cutting unit is located at the rear of the printing press, close to the folding beams of the folding cartons. For different cartons, the printing press needs to change the die-cutting plate. However, stationary printing presses are generally in a fixed position and can only perform basic operations. Changing the die-cutting plate requires moving two folding beams to their maximum width, then having someone crawl underneath to change the plate—a cumbersome and inefficient process. Utility Model Content

[0003] The present invention aims to provide a folding beam with a flip-up head to overcome the shortcomings of the prior art.

[0004] To solve the above-mentioned technical problems, the technical solution of this utility model is: a folding beam with a flip-up head, comprising an upper folding beam and a lower folding beam arranged vertically opposite each other. The upper folding beam includes an upper rear folding beam, an upper front folding beam, and a flipping component one. The upper front folding beam is located directly in front of the upper rear folding beam and is rotatably connected to the upper rear folding beam through the flipping component one. The lower folding beam includes a lower rear folding beam, a lower front folding beam, and a flipping component two. The lower front folding beam is located directly in front of the lower rear folding beam and is rotatably connected to the lower rear folding beam through the flipping component two. The upper front folding beam and the lower front folding beam are arranged vertically opposite each other and can rotate in the same direction.

[0005] Furthermore, in the aforementioned head-flipping folding beam, the flipping angle of the upper front folding beam is greater than that of the lower front folding beam.

[0006] Furthermore, the aforementioned head-flipping folding beam includes a first flipping component comprising a first fixed base, an upper flipping cylinder, a first U-shaped connecting block, and an upper flipping connecting plate. The first fixed base is fixed on the upper rear folding beam. One end of the upper flipping cylinder is hinged to the first fixed base via a tailstock, and the other end is connected to the first U-shaped connecting block via a connector. The first U-shaped connecting block is hinged to the upper front folding beam. One end of the upper flipping connecting plate is fixed to the outside of the upper rear folding beam, and the other end is provided with an upper rotating shaft that is rotatably connected to the upper front folding beam.

[0007] Furthermore, the aforementioned head-rotating folding beam has an upper rotating limiting block located near the upper rotating connecting plate, and the upper rotating limiting block has a limiting rod that limits the rotating angle of the upper front folding beam.

[0008] Further, the head-turnable folding beam, the front pressing conveying belt is provided with a tensioning wheel one at the rear end, the rear pressing conveying belt is provided with a tensioning wheel two at the front end, the tensioning wheel one and the tensioning wheel two are arranged close to each other and are connected through a belt transmission.

[0009] Further, the head-turnable folding beam, the front pressing conveying belt is provided with a tensioning wheel one at the rear end, the rear pressing conveying belt is provided with a tensioning wheel two at the front end, the tensioning wheel one and the tensioning wheel two are arranged close to each other and are connected through a belt transmission.

[0010] Further, the head-turnable folding beam, the front pressing conveying belt is provided with a tensioning wheel one at the rear end, the rear pressing conveying belt is provided with a tensioning wheel two at the front end, the tensioning wheel one and the tensioning wheel two are arranged close to each other and are connected through a belt transmission.

[0011] Further, the head-turnable folding beam, the front pressing conveying belt is provided with a tensioning wheel one at the rear end, the rear pressing conveying belt is provided with a tensioning wheel two at the front end, the tensioning wheel one and the tensioning wheel two are arranged close to each other and are connected through a belt transmission.

[0012] Further, the head-turnable folding beam, the front pressing conveying belt is provided with a tensioning wheel one at the rear end, the rear pressing conveying belt is provided with a tensioning wheel two at the front end, the tensioning wheel one and the tensioning wheel two are arranged close to each other and are connected through a belt transmission.

[0013] Further, the head-turnable folding beam, the front pressing conveying belt is provided with a tensioning wheel one at the rear end, the rear pressing conveying belt is provided with a tensioning wheel two at the front end, the tensioning wheel one and the tensioning wheel two are arranged close to each other and are connected through a belt transmission.

[0014] Compared with the prior art, the head of the folding beam can be turned, when the die cutting plate needs to be replaced, the upper front folding beam and the lower front folding beam can be turned upward, the folding beam width does not need to be adjusted, the operation is more convenient and fast, and the replacement efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the folding beam structure with a flip-up head, as described in this utility model. Figure 1 ;

[0017] Figure 2 This is a schematic diagram of the folding beam structure with a flip-up head, as described in this utility model. Figure 2 ;

[0018] In the diagram: 10. Upper folding beam; 20. Lower folding beam;

[0019] 1. Upper rear folding beam; 11. Tensioner wheel two;

[0020] 2. Front folding beam; 21. Front pressure conveyor belt; 22. Tensioner wheel one; 23. Circular belt; 24. Folding beam plate;

[0021] 3. Flipping assembly 1; 31. Fixed base 1; 32. Upper flipping cylinder; 33. U-shaped connecting block 1; 34. Upper flipping connecting plate; 35. Upper rotating shaft; 36. Upper flipping limit block;

[0022] 4. Lower rear folding beam;

[0023] 5. Lower front folding beam;

[0024] 6. Tilting component two; 61. Fixed base two; 62. Lower tilting cylinder; 63. U-shaped connecting block two; 64. Lower tilting connecting plate; 65. Lower rotating shaft; 66. Lower tilting limit block;

[0025] 7. Adjustment component; 71. Adjustment cylinder; 72. Swing arm; 73. Swing arm shaft; 74. Left limit block; 75. Right limit block. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Example 1

[0028] like Figure 1 ,2 As shown in the figure, a head-reversible folding beam includes upper and lower folding beams 10 and 20 arranged oppositely, and paper is folded and conveyed through the upper and lower folding beams 10 and 20. The upper folding beam 10 includes an upper rear folding beam 1, an upper front folding beam 2, and a first folding assembly 3. The upper front folding beam 2 is arranged on the front side of the upper rear folding beam 1 and is rotationally connected to the upper rear folding beam 1 through the first folding assembly 3. The lower folding beam 20 includes a lower rear folding beam 4, a lower front folding beam 5, and a second folding assembly 6. The lower front folding beam 5 is arranged on the front side of the lower rear folding beam 4 and is rotationally connected to the lower rear folding beam 4 through the second folding assembly 6. The upper front folding beam 2 and the lower front folding beam 5 are arranged oppositely and can rotate in the same direction.

[0029] In order to facilitate the folding of the lower front folding beam 5, the folding angle of the upper front folding beam 2 is greater than that of the lower front folding beam 5.

[0030] As shown in the figure, Figure 1 , 2 The first folding assembly 3 includes a first fixed seat 31, an upper folding cylinder 32, a U-shaped connecting block 33, and an upper folding connecting plate 34. The first fixed seat 31 is fixed on the upper rear folding beam 1. One end of the upper folding cylinder 32 is hingedly connected to the first fixed seat 31 through a tail seat, and the other end is connected to the U-shaped connecting block 33 through a joint. The U-shaped connecting block 33 is hingedly connected to the upper front folding beam 2. One end of the upper folding connecting plate 34 is fixed on the outer side of the upper rear folding beam 1, and the other end is provided with an upper rotating shaft 35 rotationally connected to the upper front folding beam 1. When folding, the upper front folding beam 2 rotates around the upper rotating shaft 35.

[0031] In order to improve the folding safety, as shown in the figure, Figure 2 An upper folding limiting block 36 is arranged on the upper front folding beam 2 close to the upper folding connecting plate 34. The upper folding limiting block 36 is provided with a limiting rod limiting the folding angle of the upper front folding beam 2.

[0032] As shown in the figure, Figure 1 , 2 The second folding assembly 6 includes a second fixed seat 61, a lower folding cylinder 62, a U-shaped connecting block 63, and a lower folding connecting plate 64. The second fixed seat 61 is fixed on the lower rear folding beam 4. One end of the lower folding cylinder 62 is hingedly connected to the second fixed seat 61 through a tail seat, and the other end is connected to the U-shaped connecting block 63 through a joint. The U-shaped connecting block 63 is hingedly connected to the lower front folding beam 4. One end of the lower folding connecting plate 64 is fixed on the inner side of the lower rear folding beam 4, and the other end is provided with a lower rotating shaft 65 rotationally connected to the lower front folding beam 5.

[0033] In order to improve the folding safety, as shown in the figure, Figure 1 A lower folding limiting block 66 is arranged on the lower front folding beam 5 close to the lower folding connecting plate 64. The lower folding limiting block 66 is provided with a limiting rod limiting the folding angle of the lower front folding beam 5.

[0034] When the die cutting plate needs to be replaced, the upper turnover cylinder 32 is controlled to start, and the upper front folding beam 2 is driven to rotate upward from the horizontal state; then, the lower turnover cylinder 62 is controlled to start, and the lower front folding beam 5 is driven to rotate upward from the horizontal state, thereby leaving a maintenance space. Therefore, when the die cutting plate needs to be replaced, the upper front folding beam 2 and the lower front folding beam 5 are turned upward, that is, the folding beam head is turned over, the folding beam width does not need to be adjusted, the die cutting plate can be replaced, the operation is more convenient and fast, and the replacement efficiency is improved.

[0035] Example 2

[0036] Based on the structure of example 1, as shown in Figure 2 , the upper front folding beam 2 is provided with a front pressing conveying belt 21, the upper rear folding beam 1 is provided with a rear pressing conveying belt (not shown in the figure), and the front pressing conveying belt 21 is synchronously driven with the rear pressing conveying belt. Specifically, the front pressing conveying belt 21 is provided with a tensioning wheel one 22 at the rear end, the rear pressing conveying belt is provided with a tensioning wheel two 11 at the front end, the tensioning wheel one 22 and the tensioning wheel two 11 are arranged close to each other, and the two are provided with a belt groove for mounting an annular belt 23 on the same side. The tensioning wheel one 22 and the tensioning wheel two 11 are connected through the annular belt 23, so as to ensure the consistency of front and rear conveying.

[0037] In addition, as shown in Figure 1 , 2 , the upper front folding beam 2 is further provided with an adjusting assembly 7, the adjusting assembly 7 is used for adjusting the paper feeding thickness, and comprises an adjusting cylinder 71, a swing arm 72 and a swing arm shaft 73. One end of the adjusting cylinder 71 is hinged to a hinge seat fixed on a folding beam plate 24 of the upper front folding beam 2. The swing arm 72 is L-shaped, the corner part thereof is rotationally connected to the folding beam plate 24 through the swing arm shaft 73, the top of the vertical section thereof is hinged to the output end of the adjusting cylinder 71, and the tail of the horizontal section thereof is connected to the tensioning wheel at the most front end of the upper front folding beam 2.

[0038] In order to better control the adjusting range and improve the operation safety, as shown in Figure 2 , the adjusting assembly 7 further comprises left and right limiting blocks 74 and 75, and the left and right limiting blocks 74 and 75 are separately arranged on the two sides of the vertical section of the swing arm 72.

[0039] It is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

[0040] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those 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 those skilled in the art can understand.

Claims

1. A head-tiltable folding beam, characterized by: The upper and lower folding beams are oppositely arranged, the upper folding beam comprises an upper rear folding beam, an upper front folding beam and a turnover assembly one, the upper front folding beam is arranged at the front side of the upper rear folding beam and is rotationally connected with the upper rear folding beam through the turnover assembly one, the lower folding beam comprises a lower rear folding beam, a lower front folding beam and a turnover assembly two, the lower front folding beam is arranged at the front side of the lower rear folding beam and is rotationally connected with the lower rear folding beam through the turnover assembly two, and the upper front folding beam and the lower front folding beam are oppositely arranged and can rotate in the same direction.

2. The head-reversible folding beam defined in claim 1, wherein: The turnover angle of the upper front folding beam is greater than that of the lower front folding beam.

3. The head-reversible folding beam of claim 1, wherein: The turnover assembly one comprises a fixed seat one, an upper turnover cylinder, a U-shaped connecting block one and an upper turnover connecting plate, the fixed seat one is fixed on the upper rear folding beam, one end of the upper turnover cylinder is hinged to the fixed seat one through a tail seat, the other end is connected with the U-shaped connecting block one through a joint, the U-shaped connecting block one is hinged to the upper front folding beam, and one end of the upper turnover connecting plate is fixed on the outer side of the upper rear folding beam and the other end is provided with an upper rotating shaft rotationally connected with the upper front folding beam.

4. The head-reversible folding beam defined in claim 3, wherein: The upper front folding beam is provided with an upper turnover limiting block arranged close to the upper turnover connecting plate, and the upper turnover limiting block is provided with a limiting rod for limiting the turnover angle of the upper front folding beam.

5. A head-reversible folding beam according to claim 1 or 4, characterised in that: The upper front folding beam is provided with a front pressing conveying belt, the upper rear folding beam is provided with a rear pressing conveying belt, and the front pressing conveying belt and the rear pressing conveying belt are synchronously driven.

6. The head-reversible folding beam defined in claim 5, wherein: The front end of the front pressing conveying belt is provided with a tensioning wheel one, the front end of the rear pressing conveying belt is provided with a tensioning wheel two, and the tensioning wheel one and the tensioning wheel two are arranged close to each other and are connected through a belt transmission.

7. The head-reversible folding beam of claim 1, wherein: The turnover assembly two comprises a fixed seat two, a lower turnover cylinder, a U-shaped connecting block two and a lower turnover connecting plate, the fixed seat two is fixed on the lower rear folding beam, one end of the lower turnover cylinder is hinged to the fixed seat two through a tail seat, the other end is connected with the U-shaped connecting block two through a joint, the U-shaped connecting block two is hinged to the lower front folding beam, and one end of the lower turnover connecting plate is fixed on the inner side of the lower rear folding beam and the other end is provided with a lower rotating shaft rotationally connected with the lower front folding beam.

8. The head-reversible folding beam defined in claim 7 wherein: The lower front folding beam is provided with a lower turnover limiting block arranged close to the lower turnover connecting plate, and the lower turnover limiting block is provided with a limiting rod for limiting the turnover angle of the lower front folding beam.

9. The head-reversible folding beam of claim 1, wherein: The upper front folding beam is further provided with an adjusting assembly for adjusting the paper feeding thickness, the adjusting assembly comprises an adjusting cylinder, a swing arm and a swing arm shaft, one end of the adjusting cylinder is hinged to a hinge seat fixed on the folding beam plate of the upper front folding beam, the swing arm is L-shaped, the rotating angle part of the swing arm is rotationally connected with the folding beam plate through the swing arm shaft, the top of the vertical section of the swing arm is hinged to the output end of the adjusting cylinder, and the tail of the horizontal section of the swing arm is connected with the tensioning wheel at the most front end of the upper front folding beam.

10. The head-reversible folding beam defined in claim 9, wherein: The adjusting assembly further comprises left and right limiting blocks, and the left and right limiting blocks are arranged on the two sides of the vertical section of the swing arm.

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