CN211806496U - Paper cutter greatly circles round - Google Patents

Abstract

The utility model discloses a paper cutter circles round greatly, belong to the cut paper technical field of household paper, including the feeding support, conveyer belt under the feeding, conveyer belt under ejection of compact support and the ejection of compact conveyer belt, conveyer belt conveying paper handkerchief raw materials under the feeding, there is the clearance under feeding between conveyer belt and the ejection of compact under conveyer belt, the cutter is worn to be equipped with in the clearance, be equipped with the waste material fill under the feeding between conveyer belt and the ejection of compact conveyer belt, the waste material fill is located the below in clearance, one side of ejection of compact support is equipped with the first actuating mechanism that falls of conveyer belt orientation removal under the drive ejection of compact conveyer belt toward keeping away from the feeding, one side of feeding support is equipped with the tail actuating mechanism that falls who drives under the feeding conveyer belt toward keeping. Through falling in paper head actuating mechanism and the paper tail actuating mechanism with paper head and the paper tail that the cutter amputated fall into the waste material fill, reduce the probability that the waste material gets into next process, avoid rear equipment to get into because of the waste material and lead to the mistake, improve production efficiency and equipment security, guarantee product quality.

Description

Paper cutter greatly circles round

Technical Field

The utility model relates to a cut paper technical field of household paper, in particular to paper cutter circles round greatly.

Background

A big-convolution paper cutter is an important device on a production line of household paper, and can cut a paper towel raw material folded by a front end folding machine into required length. In processing, due to the fact that the head end and the tail end of the raw material are not flat, the final product is not attractive, defects and abnormal packaging are caused, the defective parts of the head end and the tail end need to be cut off, and the cutting length is usually 20 mm.

Current paper cutter that circles round greatly to the waste material that head end and end were excised, the technical scheme of taking uses the mechanism of blowing to blow it off at ejection of compact terminal department, specifically is: the waste material part that because of head end and terminal excision unevenness collapse easily, so carry under the ejection of compact that the terminal uses two electric eyes to detect, the setting of electric eye one high one low, during the use, do not blow when high electric eye and low electric eye all detect that there is the object to pass through, blow when low electric eye detects there is the object and high electric eye detects no object, so can detect head end and terminal waste material and dispose.

However, the conventional technical solutions have the following disadvantages: (1) poor waste materials at the head end and the tail end blown off by the blowing mechanism can stay on the conveying line, so that the poor waste materials enter rear equipment and cause the equipment to be stopped by mistake; and (2) the waste materials enter a rear equipment chain, so that the equipment is damaged, and the processing period is delayed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a paper cutter circles round greatly for solve head end and terminal bad waste material and stop on the conveyer line or get into the rear equipment, and then influence processing cycle's technical problem.

In order to solve the technical problem, the utility model discloses a technical scheme does:

the utility model provides a paper cutter circles round greatly, includes that feeding support, transmission conveyer belt, ejection of compact support and transmission conveyer belt under the ejection of compact on ejection of compact support under the feeding on the feeding support, conveyer belt conveying paper handkerchief raw materials under the feeding under to the ejection of compact, there is the clearance under the feeding between conveyer belt and the ejection of compact under conveyer belt, and the cutter, its characterized in that are worn to be equipped with in the clearance: the feeding lower conveying belt and the discharging lower conveying belt are provided with waste hoppers, the waste hoppers are located below the gap, one side of the discharging support is provided with a paper falling head driving mechanism which drives the discharging lower conveying belt to move towards the direction of the conveying belt away from the feeding lower conveying belt, and one side of the feeding support is provided with a paper falling tail driving mechanism which drives the feeding lower conveying belt to move towards the direction of the conveying belt away from the discharging lower conveying belt.

Preferably, a plurality of feeding conveying rollers are arranged on the feeding support, a feeding driving assembly is arranged in the middle of the feeding lower conveying belt and comprises a feeding driving motor, a feeding driving wheel and a feeding driven wheel, the feeding driving motor is installed on the feeding support, a driving main shaft of the feeding driving motor is connected with the feeding driving wheel, and the feeding driving wheel is connected with the feeding driven wheel through a feeding synchronous belt.

Preferably, a feeding driving roller for driving the feeding lower conveying belt to move is connected to one side of the feeding driven wheel, a first guide roller and a second guide roller for tensioning the feeding lower conveying belt are respectively arranged on the outer side of the feeding driving roller, and the first guide roller and the second guide roller are located on two sides above the feeding driving roller.

Preferably, the paper falling tail driving mechanism comprises a paper falling tail driving cylinder, a paper falling tail connecting plate and a paper falling tail movable side plate, the paper falling tail connecting plate is connected with the extending end of the paper falling tail driving cylinder, the paper falling tail movable side plate is fixedly connected with the paper falling tail connecting plate, the paper falling tail movable side plate is movably arranged on the feeding support through a first sliding block, and a first sliding rail for the first sliding block to slide is arranged on the feeding support.

As preferred, the tail activity curb plate that falls is two, and two tail activity curb plate parallel arrangement that fall conveyer belt direction of transfer's both sides under the feeding, and parallel between two tail activity curb plates that fall are equipped with a plurality of tail movable roll that fall, the tail movable roll cover that falls is established at the feeding and is close to the tip in clearance under the conveyer belt, and the below of tail movable roll that falls is equipped with tail tensioning roller that falls, and the both ends of tail tensioning roller that falls are installed between two tail activity curb plates that fall, and the oblique below of tail tensioning roller that falls is equipped with the first tensioning roller that uses with tail tensioning roller cooperation that falls, and first tensioning roller is installed on the feeding support.

Preferably, a plurality of discharging conveying rollers are arranged on the discharging support, a discharging driving assembly is arranged in the middle of the discharging lower conveying belt and comprises a discharging driving motor, a discharging driving wheel and a discharging driven wheel, the discharging driving motor is installed on the discharging support, a driving main shaft of the discharging driving motor is connected with the discharging driving wheel, and the discharging driving wheel is connected with the discharging driven wheel through a discharging synchronous belt.

Preferably, the discharging driven wheel is connected with and is equipped with the ejection of compact drive roller that is used for driving the motion of conveyer belt under the ejection of compact, the outside of ejection of compact drive roller is equipped with respectively and is used for carrying out the third guide roll and the fourth guide roll of tensioning to conveyer belt under the ejection of compact, and third guide roll and fourth guide roll are located the top both sides of ejection of compact drive roller.

Preferably, the paper falling head driving mechanism comprises a paper falling head driving cylinder, a paper falling head connecting plate and a paper falling head movable side plate, the paper falling head connecting plate is connected with the extending end of the paper falling head driving cylinder, the paper falling head movable side plate is fixedly connected with the paper falling head connecting plate, the paper falling head movable side plate is movably arranged on the discharging support through a second sliding block, and a second sliding rail for the second sliding block to slide is arranged on the discharging support.

As preferred, the first movable curb plate of falling paper is two, and two first movable curb plate parallel arrangement of falling paper conveyer belt direction of transfer's both sides under the ejection of compact, and parallel arrangement have a plurality of first movable rollers of falling paper between two first movable curb plates of falling paper, the first movable roller cover of falling paper is established and is close to the tip in clearance at the ejection of compact lower conveyer belt, and the below of the first movable roller of falling paper is equipped with the first tensioning roller of falling paper, and the both ends of the first tensioning roller of falling paper are installed between two first movable curb plates of falling paper, and the oblique below of the first tensioning roller of falling paper is equipped with the second tensioning roller that uses with the first tensioning roller of falling paper cooperation, and the second tensioning roller.

Preferably, a feeding upper conveying belt synchronously conveying with the feeding lower conveying belt is arranged above the feeding support, a discharging upper conveying belt synchronously conveying with the discharging lower conveying belt is arranged above the discharging support, and the waste hopper is obliquely arranged.

By adopting the technical scheme, the paper head and the paper tail cut off by the cutter fall into the waste hopper through the paper head falling driving mechanism and the paper tail falling driving mechanism, the probability that waste materials enter the next procedure is reduced, the error caused by the fact that the waste materials enter the rear equipment is avoided, the production efficiency and the equipment safety are improved, and the product quality is guaranteed.

Drawings

Fig. 1 is a front view of a large circle paper cutter in an embodiment of the present invention;

fig. 2 is a rear view of the large circle paper cutter in the embodiment of the present invention;

fig. 3 is a left side view of the large circle paper cutter in the embodiment of the present invention;

fig. 4 is a right side view of the large circle paper cutter in the embodiment of the present invention;

FIG. 5 is a perspective view of a large circle paper cutter in the embodiment of the present invention;

fig. 6 is a perspective view of another view of the large circle cutter according to the embodiment of the present invention.

FIG. 7 is a perspective view of the paper dropping head according to the embodiment of the present invention;

FIG. 8 is an enlarged view taken at A in FIG. 7;

FIG. 9 is a front view of the movable side plate and the discharging support of the paper dropping head without one side of the large rotary paper cutter in the state of the paper dropping head;

FIG. 10 is an enlarged view at B of FIG. 9;

fig. 11 is a perspective view of the state of the paper falling tail in the embodiment of the present invention;

FIG. 12 is an enlarged view at C of FIG. 11;

FIG. 13 is a front view of the movable side plate and the feeding support of the tail of the large rotary cutter without one side when the tail is in a tail-falling state;

fig. 14 is an enlarged view at D in fig. 13.

In the figure, 10-feed support, 11-feed lower conveyor, 12-discharge support, 13-discharge lower conveyor, 14-gap, 15-cutter, 16-waste hopper, 17-discharge transport roller, 18-discharge drive motor, 19-discharge drive wheel, 20-discharge driven wheel, 21-discharge timing belt, 22-discharge drive roller, 23-third guide roller, 24-fourth guide roller, 25-discharge upper conveyor, 26-discharge timing roller, 27-discharge upper drive roller,

28-a paper falling head driving cylinder, 29-a paper falling head connecting plate, 30-a paper falling head movable side plate, 31-a second sliding block, 32-a second sliding rail, 33-a paper falling head movable roller, 34-a paper falling head tensioning roller, 35-a second tensioning roller,

36-a feeding conveying roller, 37-a feeding driving motor, 38-a feeding driving wheel, 39-a feeding driven wheel, 40-a feeding synchronous belt, 41-a feeding driving roller, 42-a first guide roller, 43-a second guide roller, 44-a feeding upper conveying belt, 45-a feeding synchronous roller, 46-a feeding upper driving roller,

47-paper tail driving cylinder, 48-paper tail connecting plate, 49-paper tail movable side plate, 50-first slide block, 51-first slide rail, 52-paper tail movable roller, 53-paper tail tensioning roller and 54-first tensioning roller.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in FIGS. 1-6, the utility model provides a big paper cutter that circles round that includes feeding support 10, feeding lower conveyer belt 11, ejection of compact support 12 and ejection of compact lower conveyer belt 13 that drives on ejection of compact support 12 that drives on feeding support 10, feeding lower conveyer belt 11 conveys the paper handkerchief raw materials to ejection of compact lower conveyer belt 13, has clearance 14 between feeding lower conveyer belt 11 and the ejection of compact lower conveyer belt 13, and cutter 15 is worn to be equipped with in clearance 14, is equipped with waste material hopper 16 between feeding lower conveyer belt 11 and the ejection of compact lower conveyer belt 13, and waste material hopper 16 inclines to set up, and waste material hopper 16 is located the below of clearance 14, and one side of ejection of compact support 12 is equipped with the first actuating mechanism that falls who drives under the ejection of compact conveyer belt 13 and move towards keeping away from under the feeding conveyer belt 11 direction, and one side of feeding support 10 is equipped with the tail actuating mechanism that falls who drives under the feeding conveyer belt 11 and move towards keeping away from ejection of compact conveyer belt 13 direction.

Compare in current paper cutter that circles round greatly, through falling paper head actuating mechanism and falling paper tail actuating mechanism with the paper head and the tail that cutter 15 amputated fall into waste bin 16 in, reduce the probability that the waste material got into next process, avoid rear equipment to lead to the mistake because of the waste material gets into, improve production efficiency and equipment security, guarantee product quality.

Further, as shown in fig. 7-10, a plurality of discharging conveying rollers 17 are disposed on the discharging support 12, a discharging driving assembly is disposed in the middle of the discharging lower conveying belt 13, the discharging driving assembly includes a discharging driving motor 18, a discharging driving wheel 19 and a discharging driven wheel 20, the discharging driving motor 18 is mounted on the discharging support 12, a driving main shaft of the discharging driving motor 18 is connected with the discharging driving wheel 19, and the discharging driving wheel 19 is connected with the discharging driven wheel 20 through a discharging synchronous belt 21.

Further, a discharging driving roller 22 for driving the discharging lower conveying belt 13 to move is connected to one side of the discharging driven wheel 20, a third guide roller 23 and a fourth guide roller 24 for tensioning the discharging lower conveying belt 13 are respectively arranged on the outer side of the discharging driving roller 22, and the third guide roller 23 and the fourth guide roller 24 are located on two sides above the discharging driving roller 22.

The upper discharging conveying belt 25 synchronously conveying with the lower discharging conveying belt 13 is arranged above the discharging support 12, one end, away from the driven discharging wheel 20, of the discharging driving roller 22 is connected with a discharging synchronizing roller 26, the discharging synchronizing roller 26 is connected with an upper discharging driving roller 27 used for driving the upper discharging conveying belt 25 to convey through a discharging upper conveying belt, and a plurality of upper discharging conveying rollers used for conveying the upper discharging conveying belt 25 are arranged on the discharging support 12.

Through ejection of compact driving motor 18 is rotatory, drive ejection of compact action wheel 19 in proper order, ejection of compact follower 20, ejection of compact drive roller 22, rethread third guide roll 23, fourth guide roll 24 and the ejection of compact transfer roller 17 of setting on ejection of compact support 12, thereby drive the transmission of conveyer belt 13 under the ejection of compact, further be connected with ejection of compact synchronous roller 26 through ejection of compact drive roller 22, drive roller 27 rotates on the drive ejection of compact, further under the effect of transmission roller on the ejection of compact, realize the synchronous drive of conveyer belt 25 on the ejection of compact.

Further, the paper head driving mechanism comprises a paper head driving cylinder 28, a paper head connecting plate 29 and a paper head movable side plate 30, the paper head connecting plate 29 is connected with the extending end of the paper head driving cylinder 28, the paper head movable side plate 30 is fixedly connected with the paper head connecting plate 29, the paper head movable side plate 30 is movable on the discharging support 12 through a second sliding block 31, and a second sliding rail 32 for the second sliding block 31 to slide is arranged on the discharging support 12.

Further, the number of the paper dropping head movable side plates 30 is two, two paper dropping head movable side plates 30 are arranged on two sides of the conveying belt 13 in the conveying direction under the discharging direction in parallel, a plurality of paper dropping head movable rollers 33 are arranged between the two paper dropping head movable side plates 30 in parallel, the paper dropping head movable rollers 33 are sleeved on the end portion, close to the gap 14, of the conveying belt 13 under the discharging direction, paper dropping head tensioning rollers 34 are arranged below the paper dropping head movable rollers 33, two ends of the paper dropping head tensioning rollers 34 are installed between the two paper dropping head movable side plates 30, a second tensioning roller 35 matched with the paper dropping head tensioning rollers 34 for use is arranged below the inclined portion of the paper dropping head tensioning rollers 34, and the second tensioning roller 35 is installed on the feeding support 10.

The bottoms of the two paper falling head movable side plates 30 are fixedly connected to the second sliding block 31. When the folded paper towel raw material of the front end folding machine is conveyed to the gap 14 through the feeding lower conveying belt 11 during processing, the head end of the paper towel raw material is cut off through the cutter 15, the head end falls on the discharging lower conveying belt 13, at the moment, the paper falling head driving cylinder 28 is shortened, the paper falling head movable side plate 30 is driven to slide on the second slide rail 32 along the direction far away from the gap 14 through the paper falling head connecting plate 29, the paper falling head movable roller 33 and the paper falling head tension roller 34 arranged on the paper falling head movable side plate 30 synchronously move towards the direction far away from the gap 14, because the distance between the paper falling head tension roller 34 and the second tension roller 35 fixedly arranged on the feeding support 10 is increased, the distance between the two is offset by a distance that the discharging lower conveying belt 13 retreats towards the gap 14, namely, the end part of the discharging lower conveying belt 13 and one end of the discharging support 12 close to the feeding support 10 form a cavity for the cut paper falling into the waste, under the conveying of conveyer belt 13 under the ejection of compact, the paper head that cuts falls into waste bin 16 through the cavity in, has avoided the paper head that cuts to stop on conveyer belt 13 under the ejection of compact or get into in the rear equipment.

Further, as shown in fig. 11-14, a plurality of feeding conveying rollers 36 are disposed on the feeding support 10, a feeding driving assembly is disposed in the middle of the feeding lower conveying belt 11, the feeding driving assembly includes a feeding driving motor 37, a feeding driving wheel 38 and a feeding driven wheel 39, the feeding driving motor 37 is mounted on the feeding support 10, a driving spindle of the feeding driving motor 37 is connected with the feeding driving wheel 38, and the feeding driving wheel 38 is connected with the feeding driven wheel 39 through a feeding synchronous belt 40.

Further, a feeding driving roller 41 for driving the feeding lower conveying belt 11 to move is connected to one side of the feeding driven wheel 39, a first guide roller 42 and a second guide roller 43 for tensioning the feeding lower conveying belt 11 are respectively arranged on the outer side of the feeding driving roller 41, and the first guide roller 42 and the second guide roller 43 are located on two sides above the feeding driving roller 41.

An upper feeding conveyor belt 44 which is synchronously conveyed with the lower feeding conveyor belt 11 is arranged above the feeding support 10. The one end that the feeding driven wheel 39 is kept away from to feeding drive roller 41 is connected with feeding synchronous roller 45, and feeding synchronous roller 45 is connected with through the conveyer belt on the feeding and is used for driving feeding and goes up drive roller 46 on the feeding of conveyer belt 44 conveying, is equipped with on the feeding support 10 a plurality of feed that are used for conveyer belt 44 conveying on the feeding and goes up the conveying roller.

It is rotatory through feeding driving motor 37, drive feeding action wheel 38 in proper order, feeding follower wheel 39, feeding drive roller 41, rethread first guide roll 42, second guide roll 43 and the feeding transfer roller 36 of setting on feeding support 10, thereby drive the transmission of conveyer belt 11 under the feeding, further be connected with feeding synchronous roll 45 through feeding drive roller 41, drive roller 46 rotates on the feeding, further under the effect of conveying roller on the feeding, realize the synchronous drive of conveyer belt 44 on the feeding.

Further, tail actuating mechanism falls including the tail that falls drives actuating cylinder 47, tail connecting plate 48 and the tail movable side plate 49 that falls, and tail connecting plate 48 that falls drives actuating cylinder 47 with the tail that falls stretches out the end and is connected, and tail movable side plate 49 that falls and tail connecting plate 48 fixed connection fall, and the tail movable side plate 49 that falls is through the activity of first slider 50 on feeding support 10, is equipped with on feeding support 10 and supplies the gliding first slide rail 51 of first slider 50.

Further, the two movable side plates 49 for the paper falling tail are provided, the two movable side plates 49 for the paper falling tail are arranged on two sides of the conveying belt 11 in the conveying direction under the feeding direction in parallel, a plurality of movable rollers 52 for the paper falling tail are arranged between the two movable side plates 49 for the paper falling tail in parallel, the movable rollers 52 for the paper falling tail are sleeved on the end portion, close to the gap 14, of the conveying belt 11 under the feeding direction, a tensioning roller 53 for the paper falling tail is arranged below the movable rollers 52 for the paper falling tail, two ends of the tensioning roller 53 for the paper falling tail are arranged between the two movable side plates 49 for the paper falling tail, a first tensioning roller 54 matched with the tensioning roller 53 for the paper falling tail is arranged below the inclined portion of the tensioning roller 53 for the paper falling.

The bottoms of the two paper falling tail movable side plates 49 are fixedly connected to the first sliding block 50.

During processing, after the head end cut by the cutter 15 by the paper falling head driving mechanism falls into the waste hopper 16, the cutter 15 cuts the length of the paper towel raw material, and conveys the cut product by the discharging upper conveying belt 25 and the discharging lower conveying belt 13 and flows out of the paper cutter device. When the tail end of the raw material is cut, the tail end of the raw material is cut off through the cutter 15, the tail end falls onto the feeding lower conveying belt 11, at the moment, the falling paper tail driving cylinder 47 is shortened, the falling paper tail connecting plate 48 drives the falling paper tail movable side plate 49 to slide on the first slide rail 51 along the direction far away from the gap 14, the falling paper tail movable roller 52 and the falling paper tail tensioning roller 53 arranged on the falling paper tail movable side plate 49 synchronously move towards the direction far away from the gap 14, as the distance between the falling paper tail tensioning roller 53 and the first tensioning roller 54 fixedly arranged on the feeding support 10 is increased, the distance between the falling paper tail tensioning roller 53 and the first tensioning roller is offset by a section of distance that the feeding lower conveying belt 11 withdraws towards the gap 14, namely, a cavity for the cut paper tail to fall into the waste hopper 16 is formed by the end part of the feeding lower conveying belt 11 and one end of the feeding support 10 close to the discharging support 12, the cut paper tail falls into the waste, the situation that cut paper tails stay on the discharging lower conveying belt 13 or enter rear equipment is avoided.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims (10)

1. The utility model provides a paper cutter greatly circles round, including feeding support (10), conveyer belt (11) under the feeding of transmission on feeding support (10), ejection of compact support (12) and transmission conveyer belt (13) under ejection of compact support (12), conveyer belt (11) convey the paper handkerchief raw materials under the feeding to ejection of compact conveyer belt (13) down, there is clearance (14) under the feeding between conveyer belt (11) and the ejection of compact conveyer belt (13), cutter (15) are worn to be equipped with in clearance (14), its characterized in that: conveyer belt (11) and the ejection of compact are equipped with waste material fill (16) down under the feeding between conveyer belt (13), waste material fill (16) are located the below of clearance (14), one side of ejection of compact support (12) is equipped with and drives under the ejection of compact conveyer belt (13) toward keeping away from the feeding under the first actuating mechanism of the paper that falls that conveyer belt (11) orientation removed, one side of feeding support (10) is equipped with and drives under the feeding conveyer belt (11) toward keeping away from the ejection of compact under the paper tail actuating mechanism that falls that conveyer belt (13) orientation removed.

2. The large loop cutter of claim 1, wherein: be equipped with a plurality of feeding transfer rollers (36) on feeding support (10), the middle part of conveyer belt (11) is equipped with feeding drive assembly under the feeding, feeding drive assembly includes feeding driving motor (37), feeding action wheel (38) and feeding follower (39), feeding driving motor (37) are installed on feeding support (10), the drive main shaft and the feeding action wheel (38) of feeding driving motor (37) are connected, feeding action wheel (38) are connected with feeding follower (39) through feeding hold-in range (40).

3. The large loop cutter of claim 2, wherein: feeding driven wheel (39) one side is connected and is equipped with feeding drive roller (41) that is used for the motion of drive feeding lower conveyer belt (11), the outside of feeding drive roller (41) is equipped with respectively and is used for carrying out first guide roll (42) and second guide roll (43) of tensioning to feeding lower conveyer belt (11), and first guide roll (42) and second guide roll (43) are located the top both sides of feeding drive roller (41).

4. The large loop cutter of claim 1, wherein: the paper tail actuating mechanism falls drives actuating cylinder (47), paper tail connecting plate (48) and paper tail activity curb plate (49) fall including the paper tail that falls, paper tail connecting plate (48) and the end that stretches out that the paper tail drove actuating cylinder (47) that falls are connected, paper tail activity curb plate (49) and paper tail connecting plate (48) fixed connection fall, and fall paper tail activity curb plate (49) and pass through first slider (50) activity on feeding support (10), be equipped with on feeding support (10) and supply first slider (50) gliding first slide rail (51).

5. The large loop cutter of claim 4, wherein: falling paper tail activity curb plate (49) are two, and two falling paper tail activity curb plate (49) parallel arrangement conveyer belt (11) direction of transfer's both sides under the feeding, and parallel between two falling paper tail activity curb plates (49) are equipped with a plurality of falling paper tail movable roll (52), falling paper tail movable roll (52) cover is established and is close to the tip in clearance (14) in conveyer belt (11) under the feeding, and the below of falling paper tail movable roll (52) is equipped with falling paper tail tensioning roller (53), and the both ends of falling paper tail tensioning roller (53) are installed between two falling paper tail activity curb plates (49), and the oblique below of falling paper tail tensioning roller (53) is equipped with first straining roller (54) that uses with falling paper tail tensioning roller (53) cooperation, and first straining roller (54) are installed on feeding support (10).

6. The large loop cutter of claim 1, wherein: be equipped with a plurality of ejection of compact transfer rollers (17) on ejection of compact support (12), the middle part of conveyer belt (13) is equipped with ejection of compact drive assembly under the ejection of compact, ejection of compact drive assembly includes ejection of compact driving motor (18), ejection of compact action wheel (19) and ejection of compact follower (20), ejection of compact driving motor (18) are installed on ejection of compact support (12), the drive main shaft and the ejection of compact action wheel (19) of ejection of compact driving motor (18) are connected, ejection of compact action wheel (19) are connected with ejection of compact follower (20) through ejection of compact hold-in range (21).

7. The large loop cutter of claim 6, wherein: the ejection of compact driven wheel (20) one side is connected and is equipped with ejection of compact drive roller (22) that are used for driving the ejection of compact conveyer belt (13) motion down, the outside of ejection of compact drive roller (22) is equipped with respectively and is used for carrying out the third guide roll (23) and fourth guide roll (24) of tensioning under the ejection of compact conveyer belt (13), and third guide roll (23) and fourth guide roll (24) are located the top both sides of ejection of compact drive roller (22).

8. The large loop cutter of claim 1, wherein: the paper head driving mechanism comprises a paper head driving cylinder (28), a paper head connecting plate (29) and a paper head movable side plate (30), the paper head connecting plate (29) is connected with the extending end of the paper head driving cylinder (28), the paper head movable side plate (30) is fixedly connected with the paper head connecting plate (29), the paper head movable side plate (30) is movable on the discharging support (12) through a second sliding block (31), and a second sliding rail (32) for the second sliding block (31) to slide is arranged on the discharging support (12).

9. The large loop cutter of claim 8, wherein: falling paper head activity curb plate (30) are two, and two blocks of falling paper head activity curb plate (30) parallel arrangement conveyer belt (13) direction of transfer's both sides under the ejection of compact, and parallel arrangement are equipped with a plurality of paper head activity rollers (33) between two blocks of falling paper head activity curb plates (30), falling paper head activity roller (33) cover is established and is close to the tip in clearance (14) in conveyer belt (13) under the ejection of compact, and the below of falling paper head activity roller (33) is equipped with falling paper head tensioning roller (34), and the both ends of falling paper head tensioning roller (34) are installed between two blocks of falling paper head activity curb plates (30), and the oblique below of falling paper head tensioning roller (34) is equipped with second tensioning roller (35) that use with falling paper head tensioning roller (34) cooperation, and second tensioning roller (35) are installed on feeding support (10).

10. The large loop cutter of claim 1, wherein: the feeding device is characterized in that a feeding upper conveying belt (44) synchronously conveying with a feeding lower conveying belt (11) is arranged above the feeding support (10), a discharging upper conveying belt (25) synchronously conveying with a discharging lower conveying belt (13) is arranged above the discharging support (12), and the waste hopper (16) is obliquely arranged.

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