CN211644102U - Energy-saving folding roller and paper folding machine using same - Google Patents

Abstract

The utility model discloses an energy-conserving folding roller and use its paper folder, folding roller is including folding roller body, this internal at least two paper folding suction channel and the cut paper suction channel of being equipped with of folding roller, still include the dabber, folding roller body suit is in the periphery of dabber and can rotate around this dabber, the hollow body of dabber for having the cavity passageway, and at least one tip and the peripheral equipment intercommunication of cavity passageway, first air vent and second air vent of at least one and cavity passageway intercommunication are seted up to length direction along dabber surface, first air vent cooperatees with one of them of paper folding suction channel and cut paper suction channel, the second air vent cooperatees with two of them of paper folding suction channel and cut paper suction channel. The dabber is the hollow body that has the cavity passageway, and under the effect of external equipment, the air in the suction channel can be quick is taken out to the cavity passageway from the air vent of seting up along dabber surface length direction, greatly reduced the energy consumption of external air extraction equipment, energy-concerving and environment-protective.

Description

Energy-saving folding roller and paper folding machine using same

Technical Field

The utility model relates to a paper processing machinery equipment field, in particular to energy-conserving folding roller and use its paper folder.

Background

With the improvement of living standard, people have more and more demand on daily paper, especially on paper extraction, soft paper extraction and box paper extraction become necessities of people, and the demand of paper folding equipment is increased for paper manufacturers. The existing paper folding equipment firstly forms a crease on base paper and then folds paper, and the crease is usually formed by arranging a paper folding groove and enabling the paper folding groove to generate vacuum so as to adsorb the paper in the paper folding groove.

The existing paper folding equipment is generally that two ends of an energy-saving folding roller are respectively provided with an air ring, wherein the air ring on the left side is used for exhausting air for three air channels separated from the energy-saving folding roller, and the air ring on the right side is used for exhausting air for the other three air channels separated from the energy-saving folding roller, so that the purpose of sucking air through an air suction hole formed in the energy-saving folding roller is achieved.

In order to solve the above problems, as shown in patent nos. 201721024991.2, 201010187826.5, 201110275634.4, etc., the current operation is to make all air passages pass through the energy-saving folding roller, and then to symmetrically arrange an air valve structure at both ends and to suck air into the air passages at the same time, so that the time for sucking the tissues can be shortened, the paper sucking speed can be increased, and the tissue folding phenomenon caused by uneven air suction can be avoided.

The existing energy-saving folding rollers for the folding machine for folding paper adopt the structures similar to those disclosed in the patent: the energy-saving folding roller comprises a roller body, a plurality of air flow channels are arranged in the roller body, two groups of vacuum adsorption ports for paper feeding and folding are respectively arranged on the surface of the roller body, each group of vacuum adsorption ports is arranged into one or more rows along the length direction of the roller body, each group of adsorption ports is respectively communicated with the corresponding paper feeding air flow channel and the corresponding folding air flow channel in the roller body, at least one end part of the roller body is provided with an air flow channel conversion device and an air ring (or an air valve) which is connected with external air draft equipment and is provided with an air outlet and an air inlet, and each air flow channel in the roller body is periodically communicated or disconnected with the air inlet of the air.

However, the energy-saving folding roller has the following disadvantages: firstly, as the length of the roller body is about 2-3 m, an air flow channel penetrating through the whole energy-saving folding roller is vacuumized by sucking air at two ends, so that great energy consumption is consumed, and when the vacuum roller runs at a high speed, a high-power air extractor is required to continuously work, so that the production cost and the energy waste are increased, the folding speed of the energy-saving folding roller is severely restricted, and the production and processing efficiency is influenced; and secondly, complicated structures such as airflow channel conversion devices, air rings and the like are added at two end parts of the energy-saving folding roller, so that the manufacturing cost and the operation and regulation difficulty are increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a brand-new energy-conserving folding roller to and the paper folder of using this energy-conserving folding roller can solve one of above-mentioned problem at least.

According to the utility model discloses an aspect, an energy-conserving folding roller is provided, including the folding roller body, this internal at least two paper suction channel and two at least cut paper suction channel of being equipped with of folding roller, still include the dabber, folding roller body suit is in the periphery of dabber and can rotate around this dabber, the hollow body of dabber for having the cavity passageway, and at least one tip and the peripheral equipment intercommunication of cavity passageway, first air vent and the second air vent of at least one and cavity passageway intercommunication are seted up to length direction along dabber surface, first air vent cooperatees with one of them of paper suction channel and cut paper suction channel, the second air vent cooperatees with two of them of paper suction channel and cut paper suction channel.

Therefore, the utility model provides a folding roller with a brand new structure, which does not need to arrange structures such as air valves or air rings at the two ends of the roller body, and has simple structure, low manufacturing cost and small operation and regulation difficulty; two kinds of ventholes in first air vent and second air vent have been seted up simultaneously to the dabber, and both communicate paper folding suction channel and cut paper suction channel respectively, along with the rotation of folding roller body, can make paper folding suction channel or cut paper suction channel and first air vent or second air vent intercommunication, and then guarantee that the air in the different suction channel is taken out from the air vent of difference, realize the independent control to the suction channel of energy-conserving folding roller.

The utility model discloses a dabber of folding roller is equipped with the cavity passageway that runs through whole dabber, and it is linked together with outside air exhaust equipment and forms stable vacuum cavity, and under the effect of outside equipment, the air vent that follow that dabber surface length direction was seted up that the air in the suction channel can be quick is taken out to the cavity passageway, greatly reduced outside air exhaust equipment's energy consumption, energy-concerving and environment-protective, can improve the folding speed of folding roller again greatly.

In some embodiments, the first ventilation hole and the second ventilation hole are arranged in a staggered manner along the rotation direction of the folding roller body. From this, along with the rotation of folding roller body, can guarantee paper folding suction channel, cut paper suction channel and different air vents intercommunication, and then realize the independent control to suction channel.

In some embodiments, a central opening for installing the mandrel is formed in the folding roller body, a third air vent and a fourth air vent are formed in the inner wall of the central opening, the third air vent is matched with the first air vent and communicated with one of the paper folding air suction channel and the paper cutting air suction channel, and the fourth air vent is matched with the second air vent and communicated with two of the paper folding air suction channel and the paper cutting air suction channel. Therefore, the third vent hole and the fourth vent hole are arranged, so that air in the air suction channel can be rapidly pumped out to the hollow channel.

In some embodiments, the first vent hole and the second vent hole are both multiple. From this, because the length of whole dabber is close with folding roller body length, and is all longer, and the quantity of first air vent and second air vent is a plurality of, can obviously shorten the time that the interior air of suction channel was taken out, and then shortens the time of holding the paper handkerchief, accelerates to inhale paper speed, breathes in moreover more evenly, can effectively avoid producing the paper handkerchief dog-ear phenomenon because of breathing in the inequality.

In some embodiments, the energy-saving folding roller further comprises a sealing member disposed between the folding roller body and the mandrel and surrounding the outer peripheries of the first vent hole and the second vent hole. Therefore, the sealing element is arranged between the folding roller body and the mandrel, so that each air vent can be effectively separated, air vents of different types and even air vents of the same type are prevented from being mixed, and the realization of independent control is further ensured; more importantly, the utility model discloses a sealing member surrounds and sets up in the periphery of first air vent and second air vent, when bleeding, only bleeds to the region that first air vent or second air vent correspond, can not bleed to first air vent or second air vent outlying other regions, so alright shorten the time of bleeding greatly, improve and inhale paper efficiency.

In some embodiments, the sealing member is divided into a first sealing member matching the first ventilation holes and a second sealing member matching the second ventilation holes, the number of the first sealing members is the same as the number of the first ventilation holes, and the number of the second sealing members is the same as the number of the second ventilation holes.

In some embodiments, the mandrel is provided with a mounting groove for mounting the sealing element, and the mounting groove is arranged on the periphery of the first vent hole or the second vent hole. From this, the installation of the sealing member of being convenient for is fixed a position in the setting of mounting groove, can play certain limiting displacement to the sealing member again simultaneously.

In some embodiments, the mounting groove is divided into a first mounting groove for mounting the first sealing member and a second mounting groove for mounting the second sealing member.

In some embodiments, the surface of the folding roller body is provided with a plurality of first air suction holes communicated with the paper cutting air suction channel and a plurality of second air suction holes communicated with the paper folding air suction channel, the surface of the folding roller body is provided with a paper folding groove corresponding to the paper folding air suction channel and used for adsorbing paper and a cutter groove corresponding to the paper cutting air suction channel and used for installing a cutter, the first air suction holes are arranged at the periphery of the cutter groove, and the second air suction holes are arranged in the paper folding groove and/or the periphery of the paper folding groove.

In some embodiments, the suction passage includes four cut paper suction passages and four folding paper suction passages, which are spaced apart from each other in the folding roller body.

In some embodiments, the cut paper suction passage and the folding paper suction passage are arranged at equal intervals in the circumferential direction of the folding roller body. Therefore, the utility model discloses a cut paper suction channel and paper folding suction channel distribute on same circumference, for the distribution mode most commonly used, the manufacturing of the energy-conserving folding roller of being convenient for.

In some embodiments, the folding suction passage and the cut paper suction passage are provided as air passages that penetrate the interior of the folding roller body in the axial direction.

According to the utility model discloses a still provide a paper folder, including above-mentioned energy-conserving folding roller, energy-conserving folding roller is two, be first folding roller and second folding roller respectively, still include the organism and install in the first cutting-off rotor of organism, the second cuts off the rotor, first group paper fork and second group paper fork, the both ends of first folding roller and second folding roller are installed in the organism and both set up side by side, first cutting-off rotor cooperatees with first folding roller, the second cuts off the rotor and cooperatees with the second folding roller, first group paper fork is located the below of first folding roller, the second is dialled the below that the paper fork is located the second folding roller.

Therefore, the utility model discloses a paper folder has used above-mentioned energy-conserving folding roller, and the production energy consumption is low, production efficiency is high.

The utility model has the advantages that:

1. the utility model provides a folding roller with a brand new structure, which does not need to arrange structures such as air valves or air rings at the two end parts of the roller body, and has simple structure, low manufacturing cost and small operation and regulation difficulty; two kinds of ventholes in first air vent and second air vent have been seted up simultaneously to the dabber, and both communicate paper folding suction channel and cut paper suction channel respectively, along with the rotation of folding roller body, can make paper folding suction channel or cut paper suction channel and first air vent or second air vent intercommunication, and then guarantee that the air in the different suction channel is taken out from the air vent of difference, realize the independent control to the suction channel of energy-conserving folding roller.

2. The utility model discloses a dabber of folding roller is equipped with the cavity passageway that runs through whole dabber, and it is linked together with outside air exhaust equipment and forms stable vacuum cavity, and under the effect of outside equipment, the air vent that follow that dabber surface length direction was seted up that the air in the suction channel can be quick is taken out to the cavity passageway, greatly reduced outside air exhaust equipment's energy consumption, energy-concerving and environment-protective, can improve the folding speed of folding roller again greatly.

3. The sealing element is arranged between the folding roller body and the mandrel, so that each air vent can be effectively separated, air vents of different types and even air vents of the same type are prevented from being mixed, and further the realization of independent control is ensured; more importantly, the utility model discloses a sealing member surrounds and sets up in the periphery of first air vent and second air vent, when bleeding, only bleeds to the region that first air vent or second air vent correspond, can not bleed to first air vent or second air vent outlying other regions, so alright shorten the time of bleeding greatly, improve and inhale paper efficiency.

Drawings

Fig. 1 is a schematic perspective view of an energy-saving folding roller according to an embodiment of the present invention;

FIG. 2 is a schematic side view of the energy saving folding roller shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along the line A-A of the energy-saving folding roller shown in FIG. 2;

FIG. 4 is a schematic cross-sectional view of the energy-saving folding roller shown in FIG. 3 in the direction B-B;

FIG. 5 is a schematic cross-sectional view of the energy-saving folding roller shown in FIG. 3 in the direction C-C;

FIG. 6 is an enlarged schematic view of the energy saving folding roller shown in FIG. 3 at D;

FIG. 7 is a side view of the folding roller body of the energy saving folding roller shown in FIG. 1;

FIG. 8 is a schematic cross-sectional view of the energy-saving folding roller shown in FIG. 7 taken along the direction E-E;

FIG. 9 is a schematic perspective view of the mandrel and seal of the energy-saving folding roller shown in FIG. 1;

FIG. 10 is a schematic view of a partially exploded configuration of the mandrel shown in FIG. 9;

fig. 11 is a schematic structural view of a sheet folding machine according to an embodiment of the present invention.

Reference numerals in FIGS. 1 to 11: 1-a first cutting-off knife roll; 2-a second cutting-off knife roll; 3-energy-saving folding roller; 3A-a first folding roller; 3B-a second folding roller; 4-a first paper shifting fork; 5-a second paper shifting fork; 6-first paper guide roller; 7-a second paper guide roller; 10-paper stock; 20-paper stock; 31-a folding roller body; 32-a mandrel; 33-a seal; 34-an end cap; 35-a bearing; 33A-first seal; 33B-a second seal; 311-paper folding suction channel; 312-cut paper suction channel; 313-a third venting hole; 314-fourth vent; 315-central opening; 316-cutter slot; 317-a paper folding groove; 318-first air-intake hole; 319-second suction hole; 321-a hollow channel; 322-a first vent; 323-second vent; 324-mounting grooves; 324A-a first mounting groove; 324B-second mounting groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 to 10 schematically show an energy-saving folding roller according to an embodiment of the present invention.

As shown in fig. 1 to 10, the energy-saving folding roller 3 includes a folding roller body 31. The folding roller body 31 is provided with an air suction channel and the surface of the roller is provided with an air suction hole communicated with the air suction channel. The suction path includes at least two paper folding suction paths 311 and at least two paper cutting suction paths 312. The folding suction path 311 and the cut paper suction path 312 are arranged at intervals in the folding roller body 31 in the same number.

The suction path of the present embodiment includes four cut paper suction paths 312 and four folded paper suction paths 311. The cut paper suction passage 312 and the folding paper suction passage 311 are arranged at intervals in the folding roller body 31. A cutter groove 316 for mounting a cutter for cutting paper and a plurality of V-shaped paper folding grooves 317 for sucking paper are provided on the outer wall of the folding roller body 31. The surface of the folding roller body 31 around each cutter groove 316 is provided with a plurality of first air suction holes 318 communicated with the paper cutting air suction channel 312, and each paper folding groove 317 is also provided with a plurality of second air suction holes 319 communicated with the paper folding air suction channel 311. The first suction holes 318 and the second suction holes 319 are arranged along the length direction of the folding roller body 31. The number of the cutter grooves 316 is the same as the number of the cut paper suction passages 312, and the number of the folding grooves 317 is the same as the number of the folding paper suction passages 311.

The cut paper suction passage 312 and the folding paper suction passage 311 are arranged at equal intervals in the circumferential direction along the folding roller body 31. Therefore, the utility model discloses a cut paper inhalation channel 312 and paper folding inhalation channel 311 distribute on same circumference, for the distribution mode most commonly used, the manufacturing of the energy-conserving folding roller 3 of being convenient for. The air suction channel is arranged to penetrate through an air channel inside the paper folding roller body along the axial direction.

As shown in fig. 1 to 10, the energy-saving folding roller 3 of the present embodiment further includes a mandrel 32, a bearing 35, and an end cap 34. The folding roller body 31 is fitted around the outer periphery of the mandrel 32 via a bearing 35 and is rotatable around the mandrel 32, and end caps 34 are fitted around the mandrel 32 and are located at both ends of the folding roller body 31. The mandrel 32 is a hollow tubular body having a hollow passage 321, and at least one end portion of the hollow passage 321 communicates with an external device. The mandrel 32 of this embodiment is in communication at both ends with external equipment, including but not limited to a vacuum pump. At least one first vent hole 322 and one second vent hole 323 which are communicated with the hollow channel 321 are arranged along the length direction of the surface of the mandrel 32, and as shown in fig. 9-10, the first vent hole 322 and the second vent hole 323 of the embodiment are in a horn shape which expands outwards from the hollow channel 321. The first air vent hole 322 is fitted to one of the folding suction passage 311 and the cut paper suction passage 312, and the second air vent hole 323 is fitted to two of the folding suction passage 311 and the cut paper suction passage 312. The first vent hole 322 of the present embodiment is matched with the cut paper suction channel 312, and under the action of an external device, air in the cut paper suction channel 312 is drawn out through the first vent hole 322; the second air vent 323 is engaged with the paper folding suction passage 311, and air in the paper folding suction passage 311 is drawn out through the second air vent 323 by an external device.

As shown in fig. 9 to 10, the first air vent 322 and the second air vent 323 are arranged in a staggered manner in the rotation direction of the folding roller body 31. The edges of all the first ventilation holes 322 are located on the same axis of the mandrel 32, and the edges of all the second ventilation holes 323 are located on the same axis of the mandrel 32; and the area enclosed by the axis where the edge of the first ventilation hole 322 is located does not overlap with the area enclosed by the axis where the edge of the second ventilation hole 323 is located. Therefore, with the rotation of the folding roller body 31, the paper folding suction channel 311 and the cut paper suction channel 312 can be ensured to be communicated with different vent holes, and the independent control of the suction channels is further realized.

As shown in fig. 3 to 8, the folding roller body 31 has a central opening 315 for installing the mandrel 32 therein, and the inner wall of the central opening 315 has a third vent hole 313 and a fourth vent hole 314. The third vent hole 313 is matched with the first vent hole 322 and communicated with one of the paper folding suction channel 311 and the cut paper suction channel 312, and the fourth vent hole 314 is matched with the second vent hole 323 and communicated with two of the paper folding suction channel 311 and the cut paper suction channel 312. The third vent hole 313 of the present embodiment is matched with the first vent hole 322 and communicated with the cut paper suction channel 312; the fourth vent hole 314 is matched with the second vent hole 323 and communicated with the paper folding suction channel 311. The third ventilation holes 313 of the present embodiment are arranged in the longitudinal direction of the folding roller body 31 and the number of rows of the third ventilation holes 313 is the same as the number of the cut paper suction passages 312; the fourth air holes 314 are arranged in the longitudinal direction of the folding roller body 31, and the number of rows of the fourth air holes 314 is the same as the number of the paper folding suction passages 311. The number of the third vent holes 313 in each row is the same as that of the first vent holes 322, and the number of the fourth vent holes 314 in each row is the same as that of the second vent holes 323. Thus, the third vent 313 and the fourth vent 314 are provided to ensure that the air in the suction passage is quickly drawn into the hollow passage 321.

The first and second ventilation holes 322 and 323 are plural. Accordingly, the length of the folding roller body 31 can be set according to the actual length, and it is preferable that the plurality of first ventilation holes 322 and the plurality of second ventilation holes 323 are arranged at intervals. Because the length of whole dabber 32 is close with folding roller body 31 length, and is all longer, the quantity of first air vent 322 and second air vent 323 is a plurality of, can obviously shorten the time that the interior air of suction channel was taken out, and then shortens the time of holding the paper handkerchief, accelerates to inhale paper speed, breathes in moreover more evenly, can effectively avoid producing the paper handkerchief dog-ear phenomenon because of breathing in the inequality.

The utility model provides a folding roller with a brand new structure, which does not need to arrange structures such as air valves or air rings at the two end parts of the roller body, and has simple structure, low manufacturing cost and small operation and regulation difficulty; two kinds of ventholes, namely a first vent hole 322 and a second vent hole 323, are simultaneously formed in the mandrel 32, and the two ventholes are respectively communicated with the paper folding suction channel 311 and the paper cutting suction channel 312, along with the rotation of the folding roller body 31, the paper folding suction channel 311 or the paper cutting suction channel 312 can be communicated with the first vent hole 322 or the second vent hole 323, so that the air in different suction channels can be pumped out from different vent holes, and the independent control of the suction channels of the energy-saving folding roller 3 is realized.

The utility model discloses a dabber 32 of folding roller is equipped with the hollow channel 321 that runs through whole dabber 32, and it is linked together with outside air extraction equipment and forms stable vacuum cavity, and under the effect of outside equipment, the air vent that follow dabber 32 surface length direction was seted up that the air in the suction channel can be quick is taken out to hollow channel 321, greatly reduced outside air extraction equipment's energy consumption, and energy-concerving and environment-protective can improve the folding speed of folding roller again greatly.

As shown in fig. 9 and 10, the energy-saving folding roller 3 of the present embodiment further includes a seal 33. The seal 33 is provided between the folding roller body 31 and the mandrel 32 and surrounds the outer peripheries of the first vent hole 322 and the second vent hole 323.

The sealing member 33 is divided into a first sealing member 33A fitted to the first vent hole 322 and a second sealing member 33B fitted to the second vent hole 323, and the first sealing member 33A and the second sealing member 33B of the present embodiment are plural. The number of the first sealing members 33A is the same as the number of the first ventilation holes 322, and the number of the second sealing members 33B is the same as the number of the second ventilation holes 323. The sealing member 33 of the present embodiment may be a sealing ring, and the sealing ring may be formed by splicing sealing strips made of multiple sections of rubber or the like.

The core shaft 32 is provided with an installation groove 324 for installing the sealing member 33, and the installation groove 324 is opened at the outer peripheries of the first vent hole 322 and the second vent hole 323. Therefore, the installation groove 324 is convenient for the installation and the positioning of the sealing element 33, and can play a certain limiting role on the sealing element 33. The mounting groove 324 of the present embodiment is divided into a first mounting groove 324A for mounting the first packing 33A and a second mounting groove 324B for mounting the second packing 33B. The number of the first mounting grooves 324A is the same as the number of the first ventilation holes 322, and the number of the second mounting grooves 324B is the same as the number of the second ventilation holes 323.

Therefore, the sealing element 33 is arranged between the folding roller body 31 and the mandrel 32, so that each air vent can be effectively separated, air vents of different types and even air vents of the same type are prevented from being mixed, and the independent control is further ensured; more importantly, the utility model discloses a sealing member 33 surrounds and sets up in the periphery of first air vent 322 and second air vent 323, when bleeding, only bleeds to the region that first air vent 322 or second air vent 323 correspond, can not bleed to first air vent 322 or second air vent 323 outlying other regions, so alright shorten the bleed time greatly, improve and inhale paper efficiency.

Fig. 11 schematically shows a sheet folding machine according to an embodiment of the present invention. As shown in fig. 4, the sheet folding machine includes the above-described energy-saving folding roller 3. The number of the energy-saving folding rollers 3 is two, and the two energy-saving folding rollers are respectively a first folding roller 3A and a second folding roller 3B. The paper folding machine further comprises a machine body, and a first cutting knife roller 1, a second cutting knife roller 2, a first paper shifting fork 4 and a second paper shifting fork 5 which are arranged on the machine body. The two ends of the first folding roller 3A and the second folding roller 3B are arranged on the machine body and are arranged side by side. The first cutting knife roll 1 is matched with the first folding roll 3A, and the second cutting knife roll 2 is matched with the second folding roll 3B. The first paper shifting fork 4 is positioned below the first folding roller 3A, and the second paper shifting fork 5 is positioned below the second folding roller 3B. First paper fork 4 of dialling is installed on the organism through the installation axle, and the second is dialled paper fork 5 and is installed on the organism through the installation axle, and two are dialled the paper fork and are the arc structure of being made by metal sheet or metal pole, realize two actions of dialling paper fork and push down in turn under the effect of two installation axles.

The sheet folding machine of the present embodiment further includes a first paper guide roller 6 and a second paper guide roller 7. The first paper guide roller 6 is provided on the left side of the first folding roller 3A, and the second paper guide roller 7 is provided on the right side of the second folding roller 3B. The first paper guide roller 6 and the second paper guide roller 7 are mounted on the machine body through bearings. Thus, the first paper guide roller 6 guides the paper stock 10 to the first folding roller 3A, and the second paper guide roller 7 guides the paper stock 20 to the second folding roller 3B, facilitating further processing.

When the paper folding machine works, a paper raw material 10 and a paper raw material 20 are respectively guided by a first paper guide roller 6 and a second paper guide roller 7 and then adsorbed on a first folding roller 3A and a second folding roller 3B; with the rotation of the first folding roller 3A and the second folding roller 3B, the cutters 33 on the two energy-saving folding rollers cut with the blades on the first cutting-off cutter roller 1 and the second cutting-off cutter roller 2, the paper covered on the vacuum two-space energy-saving folding rollers is cut according to a certain length, then the paper is brought to a folding position for folding, and the folded paper is alternately pressed down by the first paper shifting fork 4 and the second paper shifting fork 5, so that the paper is continuously folded and stacked on the paper receiving plate.

The utility model discloses a paper folder has used above-mentioned energy-conserving folding roller 3, and the unit production energy consumption is low, and unit production efficiency is high.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims (10)

1. The energy-saving folding roller comprises a folding roller body (31), wherein at least two paper folding air suction channels (311) and at least two paper cutting air suction channels (312) are arranged in the folding roller body (31), characterized in that the folding roller comprises a mandrel (32), the folding roller body (31) is sleeved on the periphery of the mandrel (32) and can rotate around the mandrel (32), the mandrel (32) is a hollow tube body with a hollow channel (321), at least one end part of the hollow channel (321) is communicated with external equipment, at least one first vent hole (322) and at least one second vent hole (323) which are communicated with the hollow channel (321) are arranged along the length direction of the surface of the mandrel (32), the first vent hole (322) is matched with one of the paper folding suction channel (311) and the paper cutting suction channel (312), the second vent hole (323) is matched with two of the paper folding suction channel (311) and the cut paper suction channel (312).

2. The energy-saving folding roller as claimed in claim 1, characterized in that the first ventilation hole (322) and the second ventilation hole (323) are arranged in a staggered manner along the rotation direction of the folding roller body (31).

3. The energy-saving folding roller as claimed in claim 1, wherein a central opening (315) for installing the mandrel (32) is formed in the folding roller body (31), a third vent hole (313) and a fourth vent hole (314) are formed in the inner wall of the central opening (315), the third vent hole (313) is matched with the first vent hole (322) and communicated with one of the paper folding suction channel (311) and the paper cutting suction channel (312), and the fourth vent hole (314) is matched with the second vent hole (323) and communicated with two of the paper folding suction channel (311) and the paper cutting suction channel (312).

4. The energy-saving folding roller as claimed in claim 1, wherein the first vent hole (322) and the second vent hole (323) are plural.

5. The energy-saving folding roller of claim 1, characterized by further comprising a sealing member (33), wherein the sealing member (33) is arranged between the folding roller body (31) and the mandrel (32) and surrounds the peripheries of the first vent hole (322) and the second vent hole (323).

6. The energy-saving folding roller according to claim 5, characterized in that the sealing member (33) is divided into a first sealing member (33A) matching with the first vent hole (322) and a second sealing member (33B) matching with the second vent hole (323), the number of the first sealing member (33A) is the same as the number of the first vent hole (322), and the number of the second sealing member (33B) is the same as the number of the second vent hole (323).

7. The energy-saving folding roller as claimed in claim 6, characterized in that the mandrel (32) is provided with an installation groove (324) for installing the sealing element (33), and the installation groove (324) is arranged on the periphery of the first vent hole (322) or the second vent hole (323).

8. The energy saving folding roller of claim 7, characterized in that the mounting groove (324) is divided into a first mounting groove (324A) for mounting a first sealing member (33A) and a second mounting groove (324B) for mounting a second sealing member (33B).

9. The energy-saving folding roller (3) according to claim 1, wherein the surface of the folding roller body (31) is provided with a plurality of first air suction holes (318) communicated with the paper cutting air suction channel (312) and a plurality of second air suction holes (319) communicated with the paper folding air suction channel (311), the surface of the folding roller body (31) is provided with a paper folding groove (317) corresponding to the paper folding air suction channel (311) and used for sucking paper and a cutter groove (316) corresponding to the paper cutting air suction channel (312) and used for installing a cutter, the first air suction holes (318) are arranged at the periphery of the cutter groove (316), and the second air suction holes (319) are arranged in the paper folding groove (317) and/or at the periphery of the paper folding groove (317).

10. Sheet folder, comprising an energy-saving folding roller (3) according to any one of claims 1 to 9, it is characterized in that the number of the energy-saving folding rollers (3) is two, the two rollers are respectively a first folding roller (3A) and a second folding roller (3B), the energy-saving folding roller cutting machine further comprises a machine body, and a first cutting knife roller (1), a second cutting knife roller (2), a first paper shifting fork (4) and a second paper shifting fork (5) which are arranged on the machine body, the two ends of the first folding roller (3A) and the second folding roller (3B) are arranged on the machine body and are arranged side by side, the first cutting knife roll (1) is matched with the first folding roll (3A), the second cutting knife roll (2) is matched with the second folding roll (3B), the first paper shifting fork (4) is located below the first folding roller (3A), and the second paper shifting fork (5) is located below the second folding roller (3B).

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