CN206242591U - Electric heating type corrugated board assembly line - Google Patents

Abstract

The utility model discloses an electric heating type corrugated board assembly line, including two cardboard work areas, facial tissue stock frame, spreading machine, two-sided machine, the utility model discloses an aspect has cancelled big preheating cylinder in the former two cardboard work areas and has preheated cylinder and lower preheating cylinder in the single corrugator, and has add electric heater unit and solidification electric plate before, after the laminating position of facial tissue and core paper in the single corrugator, and the roll body in the single corrugator all adopts deep hole mould temperature electrothermal heating, when guaranteeing laminating temperature, has simplified the overall structure of two cardboard work areas, has reduced equipment cost, has reduced assembly line area occupation, has accelerated the solidification after the cardboard laminating simultaneously; the utility model discloses on the other hand has cancelled triple preheating cylinder and the three little preheating cylinder on the spreading machine to install electric heating system additional between spreading machine and two-sided machine, so not only reducible three is extravagant because of the energy that heats point to laminating point distance overlength and cause, can reduce the hot plate moreover and adopt the deep hole heating to ensure the required temperature when laminating.

Description

An electric heating type corrugated cardboard assembly line

technical field

The utility model relates to an electric heating type corrugated cardboard assembly line.

Background technique

As shown in Fig. 1 to Fig. 3 and Fig. 5, Fig. 7, existing corrugated cardboard assembly line comprises two cardboard working areas 10 for making cardboard 13, and described each cardboard working area 10 has two base paper racks 11 respectively, two The base paper frame 11 is equipped with face paper 111 and core paper 112 respectively. After the face paper 111 and core paper 112 pass through the large preheating cylinder 14 respectively, they enter the single corrugating machine 12 for bonding and forming cardboard 13 . The two cardboards 13 coming out of the two cardboard working areas 10 and the face paper 21 coming out of another base paper frame 20 go through the triple preheating cylinder 60 and the glue applicator 30 and then enter the double-facer 40 for bonding, and the bonded cardboards 13 are again After passing through the rotary waste cutter 70, the slitting and creasing machine 80, the cross cutting machine 90, the stacker 100 and the descending stacker 110 on the assembly line, the finished product is finished. Although the above-mentioned electric heating type corrugated cardboard assembly line realizes the automatic production of corrugated cardboard and has high productivity, its energy consumption is relatively serious, and the main defects are as follows:

1. The function of the large preheating cylinder 14 in the existing cardboard working area 10 is to ensure that the paper can be gelled with paste at a temperature above 60°C, but due to the distance between the heating point of the large preheating cylinder 14 and the bonding point If it is too long, the temperature of the paper is easy to lose, and the baking temperature must be increased, which causes energy waste and damage to the physical properties of the paper.

2. In the existing single corrugating machine 12 in the cardboard working area 10, in order to further ensure that the paper can be kept at a specific temperature, an upper preheating cylinder 122 and a lower preheating cylinder 121 are generally provided, so that the single corrugating machine 12 not only has a volume Larger, higher cost, and energy is also very wasteful.

3. The function of the existing triple preheating cylinder is to ensure that the paper can be gelatinized with a temperature above 60°C, but because the distance between the 60 heating point of the preheating cylinder and the bonding point is too long, the paper temperature is easy to If it is lost, the baking temperature must be increased, which causes energy waste and damage to the physical properties of the paper.

4. The existing gluing machine 30 is generally provided with three preheating cylinders 34, so that the two cardboards and the face paper coming out of the two cardboard working areas 10 are preheated to ensure the temperature on it, so that the gluing machine 30 not only The volume is large, the cost is high, and the energy is also very wasteful, and the temperature of the paper is still easy to lose during the process of conveying to the gluing machine 30 to the double-facer 40 .

5. For the heat effect of the existing double-sided machine, the surface paper is heat conduction, and the middle folder is radiant heat, so it is generally composed of 20 hot plates. Heating parts, the heating temperature is easy to lose, so the heating temperature must be increased, which causes energy waste.

Contents of the invention

The purpose of this utility model is to provide an electric heating type corrugated cardboard assembly line. On the one hand, the large preheating cylinder in the original two cardboard working areas and the upper and lower preheating cylinders in the single corrugating machine are cancelled. In the corrugating machine, an electric heating device and a curing electric heating plate are installed in front of and behind the bonding position of the surface paper and the core paper. While ensuring the bonding temperature, the overall structure of the two cardboard working areas is simplified and the equipment cost is reduced. The occupied area of the assembly line is reduced, and at the same time, the curing of the cardboard after lamination is accelerated; on the other hand, the triple preheating cylinder and the three small preheating cylinders on the gluing machine are canceled, and an additional Electric heating system, which can not only reduce the energy waste caused by the long distance from the heating point to the bonding point, but also reduce the temperature required for the hot plate during bonding, and reduce the heating temperature of the double-sided machine.

The technical solution of the utility model is: an electric heating type corrugated cardboard assembly line, including two cardboard working areas, base paper racks for face paper, gluing machine, double-sided machine, and the cardboard working area includes two base paper racks and a single corrugating machine , the two base paper racks are respectively equipped with face paper and core paper, the upper corrugated roller, lower corrugated roll and pressure roller in the single corrugating machine are all electric heating rollers, and the face paper and core paper on the two base paper racks enter the single corrugator at the same time , and after the surface paper passes through the pressure roller and the core paper passes through the upper corrugated roller and the lower corrugated roller, the surface paper and the core paper are bonded to form a cardboard. The single corrugator is equipped with an electric heater before the bonding position of the surface paper and the core paper. device, the single corrugating machine is equipped with a curing electric heating plate behind the laminating position of the surface paper and the core paper, and an electric heating system is provided between the gluing machine and the double-facer machine, and the lamination of the two cardboards in the working area produces The two cardboards and the facial paper of the facial paper base paper holder enter the gluing machine at the same time, and the two cardboards after gluing are preheated by the electric heating system and enter the double-sided machine together with the facial paper coming out of the gluing machine for lamination. The electric heating system includes a first electric heating device and a second electric heating device respectively used for preheating the two paperboards after gluing.

Preferably, the electric heating device is a ceramic, electric heating tube, mold temperature or hot air electric heating device. The upper tile roller, the lower tile roller and the pressure roller in the single corrugator are deep-hole mold temperature electric heating rollers.

Preferably, the diameter D of the pressure roller is larger than the diameter D of the existing pressure roller. In this embodiment, the diameter of the pressure roller is 700-900mm.

Preferably, the first electric heating device and the second electric heating device are ceramic electric heating devices or hot air electric heating devices.

Preferably, the hot plate section of the double-sided machine includes a hot plate, and a heating hole is opened in the hot plate, and the heating adopts mold temperature electric heating.

The utility model has the advantages of:

1. Compared with the prior art, this utility model cancels the triple preheating cylinder and three small preheating cylinders on the gluing machine, and installs an electric heating system between the gluing machine and the double-sided machine, which can reduce the The waste of energy caused by the long distance from the heating point to the bonding point; in addition, the first and second electric heating devices can preheat the two cardboards respectively, which not only has fewer sets, simple structure, and low cost , and can reduce the required temperature of the hot plate during bonding, and can reduce the heating temperature of the double-sided machine. Compared with the commonly used preheating cylinder, the preheating temperature can be better adjusted.

2. Compared with the prior art, this utility model cancels the large preheating cylinder in the original two cardboard working areas and the upper and lower preheating cylinders in the single corrugating machine, and at the same time increases the diameter of the pressure roller, and In the single corrugating machine, an electric heating device and a curing electric heating plate are installed before and after the bonding position of the surface paper and the core paper, which not only reduces the distance between the surface paper and the core paper due to the long distance from the heating point to the bonding point. Energy is wasted, physical property damage is avoided, and the overall structure of the two cardboard working areas is simplified while the bonding temperature is guaranteed, equipment costs are reduced, the area occupied by the assembly line is reduced, and the curing of the cardboards after bonding is accelerated.

3. In this utility model, the upper tile roller, lower tile roller and pressure roller in the single corrugating machine are all electric heating rollers. The electric heating method is not only more environmentally friendly, but also has strong adjustability. Producers can according to different needs, Adjust the working temperature of each roller.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the schematic diagram of the front half of existing corrugated cardboard assembly line;

Fig. 2 is the schematic diagram of the second half of existing corrugated cardboard assembly line;

Fig. 3 is a partially enlarged view of the cardboard working area in Fig. 1;

Figure 4 is a partial enlarged view before and after the gluing machine in Figure 2;

Fig. 5 is the schematic diagram of the first half of the utility model assembly line;

Fig. 6 is the schematic diagram of the second half of the utility model assembly line;

Fig. 7 is a partially enlarged view of the cardboard working area in Fig. 5;

Figure 8 is a partial enlarged view of the single corrugator in Figure 7;

Fig. 9 is a partial enlarged view before and after the gluing machine in Fig. 6;

Fig. 10 is a structural schematic diagram of the mold temperature electric heating roller in the single tile machine of the present invention;

Fig. 11 is a schematic structural view of the heating plate in the double-sided machine of the present invention.

Among them: 10 cardboard working area; 11 base paper rack; 111 face paper; 112 core paper; 12 single corrugating machine; 121 upper preheating cylinder; 122 lower preheating cylinder; 123 pressure roller; 124 upper tile roller; 126 electric heating device; 127 curing electric heating plate; 128 roller body; 129 deep hole; 13 cardboard;

20-sided paper base paper holder; 21-sided paper;

30 gluing machine; 32 gluing roller; 33 riding roller; 34 preheating cylinder;

40 double-sided machine; 41 hot plate; 42 heating hole;

60 triple preheating cylinders;

70 rotary waste cutting machine;

80 slitting crimping machine;

90 cross cutting machine;

100 paper stackers;

110 descending stacker;

70 shearing machine;

80 crimping and trimming machine;

90 computer cross-cutting machine;

100 automatic stacking machines;

120 electric heating system; 1201 first electric heating device; 1202 second electric heating device.

detailed description

Embodiment: As shown in Fig. 5 and Fig. 6, an electric heating type corrugated cardboard assembly line includes two cardboard working areas 10, a face paper base paper frame 20, a gluing machine 30, a double-facer 40, a shearing machine 70, and a line repairing machine. Edge machine 80, computer cross-cutting machine 90 and automatic stacking machine 100.

As shown in Fig. 7 and Fig. 8, described cardboard working area 10 comprises two raw paper racks 11 and a single corrugating machine 12, and two raw paper racks 11 are equipped with surface paper 111 and core paper 112 respectively, and inside the single corrugating machine 12 The upper tile roller, lower tile roller and pressure roller are all electric heating rollers. The face paper 111 and core paper 112 on the two base paper frames 11 enter the single corrugator 12 at the same time, and the face paper 111 passes through the pressure roller 123, and the core paper 112 passes through the upper corrugator. After the tile roller 124 and the lower tile roller 125, the face paper 111 and the core paper 112 are laminated to form a cardboard 13. The single corrugator 12 is provided with an electric heating device 126 before the bonding position of the face paper 111 and the core paper 112. The single corrugating machine 12 is provided with a curing electric heating plate 127 behind the bonding position of the surface paper 111 and the core paper 112 .

In this embodiment, the diameter D1 of the pressure roller 123 is larger than the diameter D of the conventional pressure roller. In this embodiment, the diameter of the pressure roller 123 is 700-900 mm. This can increase the covering area of the paper on the pressure roller and increase its heating time, so as to ensure the required heating temperature. Of course, it is also possible to increase the wrapping area of the paper on the pressure roller by changing the arrangement position of the steering roller.

In this embodiment, the electric heating device 126 is a ceramic, electric heating tube, mold temperature or hot air electric heating device, which can heat the roller body. The upper tile roller 124, the lower tile roller 125 and the pressure roller 123 in the single corrugator 12 can be mold temperature electric heating rollers, as shown in Figure 10, the roller body 128 has a hollow cylindrical part, and the cylinder wall is along Deep holes 129 are evenly opened in the circumferential direction, and the deep holes 129 are heated by mold temperature electric heating.

Compared with the existing technology, the cardboard working area above cancels the large preheating cylinder in the original two cardboard working areas and the upper and lower preheating cylinders in the single corrugating machine, and at the same time increases the diameter of the pressure roller, and In the single corrugating machine, an electric heating device and a curing electric heating plate are installed before and after the bonding position of the surface paper and the core paper, which not only reduces the energy consumption caused by the long distance between the heating point and the bonding point of the surface paper and the core paper. Waste, avoiding damage to physical properties, and while ensuring the bonding temperature, simplifies the overall structure of the two cardboard work areas, reduces equipment costs, reduces the area occupied by the assembly line, and accelerates the curing of the cardboard after bonding.

In this embodiment, the upper tile roller 124, the lower tile roller 125, and the pressure roller 123 in the single corrugating machine 12 are all electric heating rollers. The electric heating method is not only more environmentally friendly, but also has strong adjustability. According to the demand, adjust the working temperature of each roller.

As shown in Figure 9, an electric heating system 120 is provided between the glue applicator 30 and the double-facer 40, and the two cardboards 13 produced by bonding the two cardboards in the working area 10 are simultaneously with the facial paper 21 of the facial paper base paper frame 20. After entering the gluing machine 30, the two cardboards 13 after gluing are preheated by the electric heating system 120 and enter the double-sided machine 40 together with the facial paper 21 from the gluing machine 30 for lamination. The electric heating system 120 includes respectively The first electric heating device 1201 and the second electric heating device 1202 are used for preheating the two paperboards 13 after gluing.

In this embodiment, the first electric heating device 1201 and the second electric heating device 1202 are preferably ceramic electric heating devices or hot air electric heating devices.

As shown in FIG. 11 , the hot plate section of the double-sided machine 40 includes a hot plate 41 , and the heating holes 42 are uniformly spaced in the horizontal direction in the hot plate 41 , and the heating holes 42 adopt mold temperature electric heating. This kind of hot plate section structure can reduce the loss of heating temperature and reduce energy waste.

The above are only specific application examples of the utility model, and do not constitute any limitation to the protection scope of the utility model. In addition to the above-mentioned embodiments, the utility model can also have other implementations. All technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the utility model.

Claims (7)

1. An electric heating type corrugated cardboard assembly line, comprising two cardboard work areas (10), face paper base paper frame (20), gluing machine (30) and double-facer (40), described cardboard work area (10) includes Two base paper frames (11) and a single corrugator (12), the two base paper frames (11) are equipped with face paper (111) and core paper (112) respectively, it is characterized in that: the single corrugator (12) The upper tile roller, lower tile roller and pressure roller are all electric heating rollers, the face paper (111) and core paper (112) on the two base paper frames (11) enter the single corrugator (12) at the same time, and the face paper (111) After passing through the pressure roller (123), the core paper (112) and the upper corrugated roller (124) and the lower corrugated roller (125), the surface paper (111) and the core paper (112) are bonded to form a cardboard (13). The corrugating machine (12) is provided with an electric heating device (126) before the bonding position of the face paper (111) and the core paper (112), and the single corrugator (12) is provided with the face paper (111) and the core paper ( 112) is provided with a curing electric heating plate (127) after the bonding position, and an electric heating system (120) is provided between the glue spreader (30) and the double-facer (40). The two cardboards (13) and the face paper (21) of the face paper base paper frame (20) produced by lamination enter the gluing machine (30) at the same time, and the two cardboards (13) after gluing are pre-heated by the electric heating system (120). After heating, the face paper (21) coming out of the gluing machine (30) enters the double-facer (40) for bonding, and the electric heating system (120) includes two cardboards (13) respectively used for gluing A first electrothermal device (1201) and a second electrothermal device (1202) for preheating. 2. An electric heating type corrugated cardboard production line according to claim 1, characterized in that: the electric heating device (126) is a ceramic, electric heating tube, mold temperature or hot air electric heating device. 3. An electric heating corrugated cardboard production line according to claim 1, characterized in that: the diameter D1 of the pressure roller (123) is larger than the diameter D of the existing pressure roller. 4. An electric heating corrugated cardboard production line according to claim 3, characterized in that: the diameter of the pressure roller (123) is 700-900 mm. 5. An electric heating type corrugated cardboard assembly line according to claim 1, characterized in that: the upper tile roller (124), the lower tile roller (125) and the pressure roller (123) in the single corrugator (12) All are mold temperature electric heating rollers. 6. An electric heating corrugated cardboard production line according to any one of claims 1 to 5, characterized in that: the first electric heating device (1201) and the second electric heating device (1202) are ceramic electric heating devices Or hot air electric heating device. 7. An electric heating type corrugated cardboard production line according to any one of claims 1 to 5, characterized in that: the hot plate section of the double-facer (40) includes a hot plate (41), the Offer heating hole (42) in the hot plate (41), heating adopts mold temperature electric heating.