A paperboard creasing machine

Abstract

The present application belongs to paperboard processing technical field, especially to a kind of paperboard creasing machine, including frame and fixed on the frame creasing device, creasing device includes the first creasing mechanism for pressing out crease on paperboard and the second creasing mechanism for pressing out several hole-shaped indentations on crease on paperboard, several hole-shaped indentations are arranged in the length direction of crease;Compared with prior art, the creasing machine of the present application carries out twice creasing to paperboard, one is line trace creasing, and one is hole-shaped indentation on line trace creasing, line trace creasing is shallower, hole-shaped indentation is deeper, so that line trace creasing plays the guiding role when paperboard is bent, and when paperboard is bent through line trace creasing, several hole-shaped indentations can make paperboard bend more conveniently when bending.

Description

TECHNICAL FIELD

[0001] The present application relates to the paperboard processing technical field, more particularly, it relates to a paperboard creasing machine. BACKGROUND

[0002] In modern life, food, electrical appliances and other goods are mostly packaged with paper boxes during transportation. Paper boxes are generally made of white board paper, kraft paper and corrugated paper. Paper boxes commonly used are three layers, five layers, and seven layers are less used. Each layer is divided into inner paper, corrugated paper, core paper and face paper. Inner and face paper is tea board paper and kraft paper, and core paper is corrugated paper.

[0003] During the production and processing of paper boxes, in order to realize the folding of the paper boxes, creasing machines are usually used to press creases on the paper boards, and then the paper boards are folded into packaging boxes through the creases, that is, the processing of the paper boxes is completed.

[0004] In the existing paperboard creasing machine, straight creases are mostly pressed on the paperboard. Although the folding of the paperboard can be realized conveniently when the creases are too deep, the paperboard after being pressed is easy to bend at the creases, which is not convenient during the paperboard carrying process, and the paperboard is easy to tear at the creases under stress. If the creases are shallow, it is more difficult to fold the paperboard into a box. SUMMARY

[0005] In view of the deficiencies of the prior art, the purpose of the present application is to provide a paperboard creasing machine which solves the above technical problems.

[0006] To achieve the above purpose, the present application provides the following technical scheme:

[0007] A paperboard creasing machine comprises

[0008] a rack,

[0009] a creasing device fixed on the rack, comprising a first creasing mechanism for pressing creases on the paperboard and a second creasing mechanism for pressing a plurality of hole-shaped indentations on the creases of the paperboard, the plurality of hole-shaped indentations being arranged in the length direction of the creases.

[0010] Further, the rack comprises a creasing table, the first creasing mechanism comprises a first air cylinder fixed on the creasing table, a creasing seat connected with the first air cylinder, and a creasing head fixedly connected with the creasing seat, the first air cylinder drives the creasing head to move up and down reciprocally, and the creasing head is correspondingly matched with the creasing head,

[0011] The second creasing mechanism comprises a second air cylinder, a mounting seat connected with the second air cylinder, and a plurality of pressing needles fixed on the mounting seat, the second air cylinder drives the plurality of pressing needles to move up and down reciprocally, and the pressing needles are correspondingly matched with the creasing head.

[0012] Further, the indentation base is provided with a cavity, the indentation head is provided with a plurality of guide holes in communication with the cavity, the guide holes all pass through the indentation head in the vertical direction,

[0013] The second cylinder is fixed to the indentation base, the pressing needles all pass through the cavity and extend into the guide holes, the plurality of guide holes correspond to the plurality of pressing needles one by one, the mounting seat extends into the cavity and is in sliding connection with the indentation head, and the cylinder drives the pressing needles to extend out from the bottom of the guide hole.

[0014] Further, the mounting seat is provided with a containing cavity, the containing cavity is provided with a spring, the top of the pressing needle extends into the containing cavity and abuts against the spring.

[0015] Further, the indentation device further comprises two positioning mechanisms, the two positioning mechanisms are respectively arranged on the two sides of the indentation head, the positioning mechanism comprises an arc-shaped elastic rod, a fixed shell and a rotating roller, the two ends of the arc-shaped elastic rod are fixedly connected with the indentation head and the fixed shell respectively, and the rotating roller is in rotary connection with the fixed shell,

[0016] In the vertical direction, the height of the rotating roller is lower than that of the indentation head; when the positioning mechanism cooperates with the indentation head, when the arc-shaped elastic rod is subjected to an external force in the vertical direction, the rotating roller rolls away from the indentation head.

[0017] Further, the rack further comprises a transfer table in butt joint with the indentation table, the transfer table is provided with a mounting hole and a discharging channel,

[0018] The indentation machine further comprises a transfer device, the transfer device comprises a first pushing mechanism, a second pushing mechanism and a steering mechanism,

[0019] The steering mechanism comprises a motor, a vacuum pump, a steering disc and a suction head, the motor is connected with the steering disc and drives the steering disc to reciprocating rotate, the steering disc extends out of the mounting hole, the vacuum pump is connected with the suction head, and the suction head is embedded on the steering disc,

[0020] The first pushing mechanism is used for pushing the paperboard on the transfer table to the indentation table, and the second pushing mechanism is used for pushing the paperboard on the transfer table into the discharging channel.

[0021] Further, the indentation machine further comprises a feeding device, the feeding device comprises a third pushing mechanism and a guide mechanism,

[0022] The rack further comprises a feeding table in butt joint with the indentation table, the guide mechanism comprises two guide plates fixed on the feeding table, the two guide plates form a feeding channel, and the third pushing mechanism is used for pushing the paperboard in the feeding channel into the indentation table.

[0023] Further, the indentation device further comprises a plurality of limiting mechanisms, the limiting mechanism is composed of a third cylinder and a limiting plate, the third cylinder drives the limiting plate to move up and down reciprocatingly, the plurality of limiting mechanisms are uniformly arranged in the moving direction of the paperboard, and the plurality of limiting mechanisms are arranged between the first indentation mechanism and the turning mechanism, the limiting mechanism corresponds to and cooperates with the third pushing mechanism, and the guiding hole matched with the limiting plate is opened on the indentation table.

[0024] Further, the first pushing mechanism, the second pushing mechanism and the third pushing mechanism are all composed of a fourth cylinder and a pushing head.

[0025] Further, the needle head of the pressing needle is in a linear shape.

[0026] By adopting the above technical scheme, the beneficial effects of the present application are as follows:

[0027] 1. The indentation machine of the present application performs indentation on the paperboard twice, once for line indentation and once for hole indentation on the line indentation, the line indentation is shallow, and the hole indentation is deep, so that the line indentation plays a guiding role when the paperboard is bent, and when the paperboard is bent through the line indentation, the hole indentation can make the paperboard bend more conveniently;

[0028] 2. After the paperboard is subjected to the indentation process by the indentation machine, it can ensure that the paperboard is bent more conveniently and labor-savingly, and at the same time, it can ensure that the indentation on the paperboard is not too deep, so that the indentation is not damaged during the transportation of the paperboard. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of an embodiment of the present application.

[0030] Figure 2 It is a side view structural schematic diagram of an embodiment of the present application.

[0031] Figure 3 It is a partial structural schematic diagram of an embodiment of the present application.

[0032] Figure 4 It is a partial sectional view structural schematic diagram of the indentation device.

[0033] Figure 5 It is a partial sectional view structural schematic diagram of the second indentation mechanism. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0035] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present 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 a limitation on the present application.

[0036] The paperboard indentation machine comprises a rack 1, a feeding device 2, an indentation device 3, a transfer device 4, the rack 1 comprises a feeding table 11, an indentation table 12 and a transfer table 13 which are sequentially connected, the feeding device 2 is fixed on the feeding table 11, the indentation device 3 is fixed on the indentation table 12, and the transfer device 4 is arranged on the transfer table 12; the feeding device 2 is used for transmitting the paperboard to the indentation device 3, the indentation device 3 is used for secondary indentation of the paperboard, and the transfer device 4 is used for pushing the paperboard transmitted from the indentation device 3 back or discharging the paperboard.

[0037] The indentation device 3 comprises a first indentation mechanism 31 for pressing a crease on the paperboard, a second indentation mechanism 32 for pressing a plurality of hole-shaped indentations on the crease of the paperboard, two positioning mechanisms 33 for positioning the paperboard and a plurality of limiting mechanisms 34 for limiting the paperboard, the plurality of hole-shaped indentations are arranged in the length direction of the indentation; the first indentation mechanism 31 comprises a first air cylinder 31a fixed on the indentation table 12, an indentation seat 31b connected with the first air cylinder 31a, and an indentation head 31c fixedly connected with the indentation seat 31b, the first air cylinder 31a drives the indentation head 31c to move up and down reciprocatingly, the indentation head 31c is correspondingly matched with the indentation head 31c, the second indentation mechanism 32 comprises a second air cylinder 32a, a mounting seat 32b connected with the second air cylinder 32a, and a plurality of pressing needles 32c fixed on the mounting seat 32b, the second air cylinder 32a drives the plurality of pressing needles 32c to move up and down reciprocatingly, the pressing needles 32c are correspondingly matched with the indentation head 31c, and the needle head of the pressing needle 32c is in a linear shape; the indentation seat 31b is provided with a cavity 301, the indentation head 31c is provided with a plurality of guide holes 302 which are in communication with the cavity 301, the guide holes 302 all penetrate the indentation head 31c in the vertical direction, the second air cylinder 32a is fixed on the indentation seat 31b, the pressing needles 32c all pass through the cavity 301 and extend into the guide holes 302, the plurality of guide holes 302 correspond to the plurality of pressing needles 32c one by one, the mounting seat 32b extends into the cavity 301 and is slidably connected with the indentation head 31c, and the air cylinder drives the pressing needles 32c to extend out from the bottom of the guide hole 302; the mounting seat 32b is provided with a containing cavity 303, a spring 32d is arranged in the containing cavity 303, the top of the pressing needle 32c extends into the containing cavity 303 and abuts against the spring 32d, so that when the pressing needle 32c extrudes the paperboard, the spring 32d deforms to serve as a buffer, and the paperboard is not easily damaged;

[0038] When the paperboard is conveyed to the indentation table 12 by the feeding device 2, the first indentation mechanism 31 is started first, the first cylinder 31a drives the indentation head 31c to move to the indentation table 12 until the paperboard is pressed to form a linear line indentation; then the second indentation mechanism 32 is started, the second cylinder 32a drives the plurality of pressing needles 32c to extend from the guide hole 302 and press the linear line indentation on the paperboard, thereby forming a plurality of groove-shaped indentations, the plurality of groove-shaped indentations are evenly arranged in the length direction of the linear line indentation; the first indentation mechanism 31 and the second indentation mechanism 32 are integrated as a whole, so that the linear line indentation and the groove-shaped indentation are accurately fused together, thereby greatly improving the indentation accuracy of the paperboard; the first indentation mechanism 31 has two synchronous first cylinders 31a, and the two first cylinders 31a are respectively arranged on the two sides of the indentation head 31c, thereby ensuring the stable indentation of the indentation head 31c on the paperboard; the plurality of groove-shaped indentations on the paperboard cooperate with the linear line indentation, which can make the paperboard more convenient and labor-saving when bending by indentation; the plurality of guide holes 302 correspond one-to-one with the plurality of pressing needles 32c, that is, the guide of the pressing needle 32c is realized to stably press the indentation, and the pressing needle 32c is also protected to prevent it from being bent.

[0039] The two positioning mechanisms 33 are respectively arranged on the two sides of the indentation head 31c, the positioning mechanism 33 comprises an arc-shaped elastic rod 33a, a fixed shell 33b and a rotating roller 33c, the two ends of the arc-shaped elastic rod 33a are fixedly connected with the indentation head 31c and the fixed shell 33b respectively, and the rotating roller 33c is rotatably connected with the fixed shell 33b; in the vertical direction, the height of the rotating roller 33c is lower than that of the indentation head 31c; when the positioning mechanism 33 cooperates with the indentation head 31c, the arc-shaped elastic rod 33a is subjected to an external force in the vertical direction, and the rotating roller 33c rolls away from the indentation head 31c.

[0040] In the process that the indentation head 31c moves to the paperboard, the indentation head 31c carries the two positioning mechanisms 33 to move to the paperboard; before the indentation head 31c collides with the paperboard, the rotating rollers 33c of the two positioning mechanisms 33 collide with the paperboard first; as the indentation head 31c continues to move to the paperboard, the arc-shaped elastic rod 33a is deformed under stress, and the rotating roller 33c moves away from the indentation head 31c, in this process, the rotating roller 33c flattens and positions the paperboard on the two sides of the indentation head 31c, thereby ensuring that the paperboard is not easy to be lifted when being indented, and also ensuring that the paperboard is not easy to move when being indented.

[0041] The feeding device 2 comprises a third pushing mechanism 21 and a guide mechanism 22, the guide mechanism 22 comprises two guide plates 22a fixed on the feeding table 11, the two guide plates 22a form a feeding channel 201 for guiding the paperboard, the third pushing mechanism 21 is used for pushing the paperboard in the feeding channel 201 to the indentation table 12; the limiting mechanism 34 is composed of third cylinders 34a and 34b, the third cylinder 34a drives 34b to move up and down reciprocatingly, a plurality of limiting mechanisms 34 are uniformly arranged in the moving direction of the paperboard, and the plurality of limiting mechanisms 34 are arranged between the first indentation mechanism 31 and the turning mechanism 43, the limiting mechanism 34 corresponds to and cooperates with the third pushing mechanism 21, the indentation table 12 is provided with guide holes 304 matched with 34b; the transfer table is provided with mounting holes 401, and the transfer table is provided with a discharging channel 402, the transfer device 4 comprises a first pushing mechanism 41, a second pushing mechanism 42 and a turning mechanism 43, the turning mechanism 43 comprises a motor 43a, a vacuum pump 43b, a turning disc 43c and a suction head 43d, the motor 43a is connected with the turning disc 43c and drives the turning disc 43c to rotate reciprocatingly, the turning disc 43c extends out of the mounting hole 401, the vacuum pump 43b is connected with the suction head 43d, the suction head 43d is embedded on the turning disc 43c, the first pushing mechanism 41 is used for pushing the paperboard on the transfer table 13 to the indentation table 12, and the second pushing mechanism 42 is used for pushing the paperboard on the transfer table 13 into the discharging channel 402; the first pushing mechanism 41, the second pushing mechanism 42 and the third pushing mechanism 21 are all composed of a fourth cylinder 400 and a pushing head 500, the shape of the pushing head 500 can be selected and designed according to the thickness of the paperboard, for example, L-shaped, rectangular and the like;

[0042] When the paperboard is transmitted, the paperboard placed on the feeding table 11 is pushed by the third pushing mechanism 21 through the feeding channel 201 to the indentation table 12, at this time, one of the limiting mechanisms 34 is started, the three cylinders drive 34b to extend out of the guide hole 304 and stop upward, and the third pushing mechanism 21 continues to push the paperboard until the paperboard is in contact with 34b; then the indentation device 3 is started to perform the indentation process on the corresponding position of the paperboard; different limiting mechanisms 34 intercept and position the paperboard, so that the indentation process can be performed on different positions of the paperboard;

[0043] The paperboard is pushed out from the creasing table 12 to the transfer table 13 by the third pushing mechanism 21 after the end of the creasing in the transverse direction of the paperboard; at this time, the paperboard is placed on the turning mechanism 43, after the turning mechanism 43 is started, the vacuum pump 43b drives the adsorption head 43d to adsorb the paperboard on the turning disc 43c, then the motor 43a is started and drives the turning disc 43c to rotate, so as to rotate the paperboard by 90 degrees; then the adsorption head 43d releases the paperboard, the third pushing mechanism 21 pushes the paperboard back to the creasing table 12, through the cooperation of the first pushing mechanism 41 and the limiting mechanism 34, and then through the creasing device 3, the creasing processing in the longitudinal direction of the paperboard is continuously realized; the paperboard after the creasing processing is completed is pushed into the transfer table 13 by the first pushing mechanism 41, the second pushing mechanism 42 is started so as to push the paperboard into the discharging channel 402, and finally the discharging of the paperboard is completed.

[0044] The above only describes the preferred embodiments of the present application and is not used to limit the present application, and the person skilled in the art can make common changes and replacements within the technical scheme range of the present application, which should be included in the protection range of the present application.

Claims

1. A cardboard creasing machine, characterized in that, include frame, The creasing device, fixed on the frame, includes a first creasing mechanism for pressing creases into the cardboard and a second creasing mechanism for pressing a plurality of perforated indentations into the creases into the cardboard, the plurality of perforated indentations being arranged along the length of the creasing. The frame includes an indentation table. The first indentation mechanism includes a first cylinder fixed to the indentation table, an indentation seat connected to the first cylinder, and an indentation head fixedly connected to the indentation seat. The first cylinder drives the indentation head to move up and down reciprocally, and the indentation heads cooperate with each other. The second indentation mechanism includes a second cylinder, a mounting base connected to the second cylinder, and a plurality of pressure needles fixed on the mounting base. The second cylinder drives the plurality of pressure needles to move up and down reciprocally, and the pressure needles cooperate with the indentation head. The indentation seat has a cavity, and the indentation head has several guide holes communicating with the cavity. All guide holes penetrate the indentation head in a vertical direction. The second cylinder is fixed on the indentation seat. The indentation needles all pass through the cavity and extend into the guide hole. Several guide holes correspond one-to-one with several indentation needles. The mounting seat extends into the cavity and slides in connection with the indentation head. The cylinder drives the indentation needles to extend out from the bottom of the guide hole.

2. The cardboard creasing machine according to claim 1, characterized in that, The mounting base is provided with a receiving cavity, and a spring is provided inside the receiving cavity. The top of the pressure needle extends into the receiving cavity and abuts against the spring.

3. A cardboard creasing machine according to claim 1, characterized in that, The indentation device further includes two positioning mechanisms, which are respectively located on both sides of the indentation head. Each positioning mechanism includes an arc-shaped elastic rod, a fixed shell, and a rotating roller. The two ends of the arc-shaped elastic rod are fixedly connected to the indentation head and the fixed shell, respectively, and the rotating roller is rotatably connected to the fixed shell. In the vertical direction, the height of the rotating roller is lower than that of the indentation head; when the positioning mechanism cooperates with the indentation head, the rotating roller rolls away from the indentation head when the arc-shaped elastic rod is subjected to an external force in the vertical direction.

4. A cardboard creasing machine according to claim 1, characterized in that, The frame also includes a transfer platform that connects to the indentation table. The transfer platform has mounting holes and a material unloading channel. The embossing machine also includes a transfer device, which comprises a first pushing mechanism, a second pushing mechanism, and a steering mechanism. The steering mechanism includes a motor, a vacuum pump, a steering wheel, and an adsorption head. The motor is connected to the steering wheel and drives it to rotate reciprocally. The steering wheel extends out of a mounting hole. The vacuum pump is connected to the adsorption head, which is embedded in the steering wheel. The first pushing mechanism is used to push the cardboard on the transfer table onto the creasing table, and the second pushing mechanism is used to push the cardboard on the transfer table into the unloading channel.

5. A cardboard creasing machine according to claim 4, characterized in that, The embossing machine also includes a feeding device, which comprises a third pushing mechanism and a guiding mechanism. The frame also includes a loading platform that docks with the indentation table. The guiding mechanism includes two guide plates fixed on the feeding platform, which form a feeding channel. The third pushing mechanism is used to push the cardboard in the feeding channel into the creasing platform.

6. A cardboard creasing machine according to claim 5, characterized in that, The creasing device also includes several limiting mechanisms, each consisting of a third cylinder and a limiting plate. The third cylinder drives the limiting plate to move up and down reciprocally. Several limiting mechanisms are evenly arranged in the direction of paperboard movement, and are positioned between the first creasing mechanism and the turning mechanism. The limiting mechanisms correspond to and cooperate with the third pushing mechanism. The creasing table has guide holes that cooperate with the limiting plate.

7. A cardboard creasing machine according to claim 6, characterized in that, The first, second, and third pushing mechanisms are all composed of a fourth cylinder and a pushing head.

8. A cardboard creasing machine according to claim 2, characterized in that, The needle tip of the pressure needle is in the shape of a straight line.

Images