CN212831834U

CN212831834U - Quick paper receiving and roll changing mechanism

Info

Publication number: CN212831834U
Application number: CN202021592338.8U
Authority: CN
Inventors: 李永胜; 陈欢欢; 张树广; 黄财元; 陆德昌
Original assignee: Foshan Dajian Experiment Equipment Co ltd
Current assignee: Foshan Dajian Experiment Equipment Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-03-30
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses a quick paper receiving and changing mechanism, which comprises a roll preparing area and a roll feeding area, wherein a paper roll is uncoiled in the roll feeding area and a paper web is output along a preset feeding path, and a cutting part for cutting off the paper web of the paper roll to form a paper web tail is arranged on the feeding path; the paper roll cutting device is characterized in that the roll preparing area is provided with a roll preparing mechanism, a new paper head led out by a new paper roll is paved and fixed on the roll preparing mechanism in advance, the roll preparing mechanism is used for bearing the new paper roll to move, the original paper roll cut by the cutting part exits the roll feeding area, the roll preparing mechanism bears the new paper roll and transfers the new paper roll to the roll feeding area from the roll preparing area, the roll preparing mechanism can separate from the new paper roll in the roll feeding area and move towards the cutting part to enable the new paper head and the tail of the original paper to be in contact splicing together, the stop time is reduced, the quick paper receiving and roll changing operation is realized, and the efficient, continuous and stable operation is ensured.

Description

Quick paper receiving and roll changing mechanism

Technical Field

The utility model belongs to the technical field of the technique of household paper machinery and specifically relates to indicate a mechanism is changed to meet paper fast.

Background

In the field of paper processing, a large-diameter paper roll is usually unwound, and then cut or folded to obtain a required paper product, such as a roll of toilet paper, a napkin and the like. For the production of such products to be carried out continuously at high speed, when the large-diameter reel is exhausted, the exhausted reel needs to be replaced with a new reel. The problems that the conventional paper splicing mode takes long time, affects the production efficiency and the like exist.

If CN1960925B discloses a multi-functional unwinding equipment, specifically has involved simultaneously to open a book first reel and second reel, will come from the first web material of first reel and the second web material that comes from the second reel to join together through splicing apparatus to through the storage part mesh material that the second reel was carried of storage before the concatenation, though it plays the effect that connects the paper to change the roll, but the structure is complicated, and efficiency is not high, area occupied is big and cost is high.

For example, CN108557534B discloses an automatic material receiving method for material-saving rolls, which specifically relates to the steps of respectively rolling a first waste roll and a second waste roll, respectively connecting a first certified roll and a second certified roll to the end of the first waste roll and the end of the second waste roll, and then performing a paper receiving operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a high-efficient, quick paper receiving roll-changing mechanism.

In order to achieve the above object, the utility model provides a quick paper receiving and changing mechanism, which comprises a stock roll preparing area and a stock roll sending area, wherein the stock roll is unwound in the stock roll sending area and outputs a paper web along a preset supply path, and a cutting component for cutting off the paper web of the stock roll to form a stock tail is arranged on the supply path; the paper end cutting device is characterized in that the roll preparing area is provided with a roll preparing mechanism, a new paper head led out by a new paper roll is paved and fixed on the roll preparing mechanism in advance, the roll preparing mechanism is used for bearing the new paper roll to move, the original paper roll cut by the cutting part exits the roll feeding area, the roll preparing mechanism bears the new paper roll and transfers the new paper roll to the roll feeding area from the roll preparing area, and the roll preparing mechanism can separate the new paper roll in the roll feeding area and move towards the cutting part to enable the new paper head and the original paper tail to be in contact splicing together.

Further, the cutting part comprises a guide roller, a pressing roller and a paper breaking unit, wherein the pressing roller is arranged close to the periphery of the guide roller, the pressing roller can act towards the roller surface of the guide roller to be matched with and press the paper web wound through the roller surface of the guide roller, and the paper breaking unit acts on the pressed paper web to cut off and form the source paper tail.

Further, it colludes and locates the stub bar of crane front side to be equipped with roll mechanism and include the crane, locate the support of crane tail side, wherein, hold in the palm and collude and be used for bearing new scroll, and the new stub bar tiling of drawing forth by new scroll is fixed on the stub bar.

Further, the lifting frame is provided with a vertical driving unit for driving the lifting frame to move along the vertical direction and a transverse driving unit for driving the lifting frame to move along the transverse direction.

A working method of a quick paper receiving and roll changing mechanism is characterized in that: the working method comprises the following steps:

a paper returning procedure: the base paper roll continuously rotates and unwinds in the roll feeding area and continuously outputs paper webs along the feeding path until the base paper roll is close to the completion of unwinding, and the cutting part cuts the paper webs of the base paper roll to form a source paper tail;

paper preparation process: the new paper roll is borne by the standby roll mechanism in the standby roll area for standby, and a new paper head is led out of the new paper roll and is flatly laid and fixed on the standby roll mechanism;

a paper splicing procedure: after the paper withdrawing process and the paper preparing process are completed, the original paper roll is withdrawn from the roll conveying area, the new paper roll is carried by the paper preparing mechanism, and the new paper roll is transferred to a preset position of the roll conveying area from the roll preparing area, and then the paper preparing mechanism is separated from the new paper roll and moves towards the cutting part so that the new paper head and the source paper tail are spliced together in a contact manner;

and after the paper receiving process is completed, the paper preparing mechanism is reset to the paper preparing area to repeat the paper preparing process, the new paper roll continuously rotates in the paper feeding area to be uncoiled, and the processes are repeated in a circulating mode.

Further, the unwinding process and the standby process can be performed synchronously or sequentially.

The utility model adopts the above technical scheme, its beneficial effect lies in: the new paper head of the new paper roll is prepared in advance and transferred to the roll conveying area by the roll preparing mechanism to replace the original roll paper, wherein the original roll paper is cut off in advance and exits from the roll conveying area, so that the original paper tail formed by cutting off is in contact with the new paper head and spliced together by the roll preparing mechanism, the stop time is greatly shortened, the quick paper splicing and roll changing operation is realized, and the efficient, continuous and stable operation is ensured.

Drawings

Fig. 1 is a schematic view of a paper receiving and roll changing mechanism according to an embodiment.

FIG. 2 is a schematic view of a roll preparing mechanism of an embodiment.

FIG. 3 is a schematic view of a cutting member of an embodiment.

Fig. 4 is a first usage diagram of the paper receiving and roll changing mechanism of the embodiment.

Fig. 5 is an enlarged view of a portion F in fig. 4.

Fig. 6 is an enlarged view of a portion H in fig. 4.

Fig. 7 is a second usage diagram of the paper receiving and roll changing mechanism of the embodiment.

Fig. 8 is an enlarged view of a portion K in fig. 7.

Fig. 9 is a third use diagram of the paper splicing and roll changing mechanism of the embodiment.

Fig. 10 is a fourth use diagram of the paper splicing and roll changing mechanism of the embodiment.

Fig. 11 is a fifth usage diagram of the paper receiving and roll changing mechanism of the embodiment.

Fig. 12 is a sixth usage diagram of the paper splicing and roll changing mechanism of the embodiment.

Fig. 13 is an enlarged view of a portion P in fig. 12.

Fig. 14 is a seventh usage diagram of the paper receiving and roll changing mechanism of the embodiment.

Fig. 15 is an enlarged view of a portion P in fig. 14.

The automatic paper cutting machine comprises a paper cutting machine, a paper feeding machine, a paper cutting machine and a paper cutting machine, wherein the paper cutting machine comprises a paper cutting machine, 100-a paper preparing area, 200-a paper feeding area, 210-a paper unwinding position, 220-an unwinding channel, 1-a paper preparing mechanism, 11-a lifting frame, 12-a supporting hook, 13-a paper head fixing rod, 14-a connecting plate, 15-a vertical driving unit, 16-a transverse driving unit, 2-a cutting part, 21-a guide roller, 22-a press roller, 23-a paper cutting.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete.

Referring to fig. 1 to 15, in the present embodiment, a fast splicing and roll changing mechanism includes a standby roll area 100 and a roll feeding area 200, which are disposed on a frame, wherein the standby roll area 100 is located above the roll feeding area 200. The frame located in the feeding area 200 is provided with an unwinding position 210 for carrying the original paper roll a to perform a rotary unwinding action, that is, the original paper roll a is placed in the unwinding position 210, and an external driving mechanism (not shown) preset at the unwinding position 210 acts on the end of the winding shaft of the original paper roll a to perform the rotary unwinding. The paper web unwound from the original paper roll a sequentially passes through a feeding path preset at a downstream position of the roll feeding area 200 to be output, wherein a plurality of drawing rollers 24 rotatably connected to the frame are arranged on the feeding path of the embodiment, and the paper web unwound sequentially passes through the roller surfaces of the drawing rollers 24 to be output.

In the present embodiment, a cutting member 2 is provided on the feeding path, wherein the cutting member 2 includes a guide roller 21, a press roller 22 disposed adjacent to the periphery of the guide roller 21, the press roller 22 is movable toward the roll surface of the guide roller 21 to cooperate with pressing the web wound through the roll surface of the guide roller 21, and a paper breaking unit 23 is provided to act on the pressed web to cut and form a stock tail a 1. For ease of understanding, the guide roll 21 of this embodiment is hinged at its ends to the frame and doubles as a pulling roll 24 for pulling the web. The press roll 22 adopts a reciprocating swing type action, the press roll 22 is connected with the frame through a first hinged arm (the first hinged arm is driven to rotate so as to realize the reciprocating swing of the press roll 22), and therefore, along with the swing action of the press roll 22, when the press roll 22 is pressed on the roll surface of the guide roll 21, the paper web wound through the guide roll 21 is pressed; conversely, when the press roll 22 is away from the roll surface of the guide roll 21, the web is no longer constrained to pass around the guide roll 21. The paper cutting unit 23 is a cutter, two ends of the cutter extend out of a second hinged arm to be hinged with the frame (the second hinged arm is driven to rotate to realize the swinging of the cutter), the swinging path of the paper cutting unit 23 is partially overlapped with the path of the paper web conveyed to the guide roller 21, therefore, along with the swinging action of the paper cutting unit 23, the paper cutting unit 23 can cut the paper web between the guide roller 21 and the original paper roll A, a base paper tail A1 and a base paper head are formed, and the base paper tail A1 at the moment is subjected to gravity free sagging.

Further, the above-mentioned press roller 22 and the paper breaking unit 23 are both correspondingly provided with a driving mechanism (not shown) for driving the swing motion, such as a cylinder, a motor and other transmission components, so that a person in the art can make an adaptive selection according to actual production needs, and the principle and structure of the transmission components are not described herein again.

In this embodiment, an exit channel 220 is disposed at an upstream position of the feeding area 200, wherein the pushing channel of this embodiment extends obliquely downward toward the rear of the frame, so that the original paper roll a can be rolled from the unwinding position 210 along the exit channel 220 to feed the exiting feeding area 200 after the unwinding is completed.

In this embodiment, the backup roll area 100 is provided with a backup roll mechanism 1, the backup roll mechanism 1 comprises a lifting frame 11, a support hook 12 arranged at the tail side of the lifting frame 11 and a paper head fixing rod 13 arranged at the front side of the lifting frame 11, wherein the lifting frame 11 is connected with a preset connecting plate 14 in a transverse sliding manner (namely, a transverse sliding rail extending along the transverse direction is arranged between the lifting frame 11 and the connecting plate 14), and the connecting plate 14 is connected with the machine frame through a preset vertical sliding rail, in addition, the crane 11 is provided with a vertical driving unit 15 for driving the crane to move in the vertical direction and a horizontal driving unit 16 for driving the crane to move in the horizontal direction, that is, the vertical driving unit 15 of the present embodiment is a sprocket type transmission element, by fixing the sprocket type transmission element on the frame and connecting the transmission chain with the link plate 14, thereby realizing that the vertical driving unit 15 drives the connecting plate 14 and the lifting frame 11 to synchronously reciprocate and vertically move; the transverse driving unit 16 of the present embodiment is a transmission element of a motor matching with a transmission screw rod, and the motor is fixed on the connecting plate 14 and the nut of the transmission screw rod is connected with the lifting frame 11, so that the transverse driving unit 16 drives the lifting frame 11 to make reciprocating transverse movement.

The support hook 12 of the embodiment is used for bearing the end of the reel of the new paper roll B, and the new paper roll B can be lifted and placed on the support hook 12. The new paper head B1 led out by the new paper roll B is flatly laid and fixed on the paper head fixing rod 13, namely, after the new paper roll B is placed on the supporting hook 12, the new paper head B1 of the new paper roll B can be manually led out and flatly laid on the paper head fixing rod 13, wherein the paper web of the new paper roll B at the moment winds and penetrates onto the paper head fixing rod 13 from bottom to top along with the new paper head B1 and is close to the front end face of the paper head fixing rod 13, and then the double-faced adhesive tape is manually pasted on the paper web close to the front end face of the paper head fixing rod 13, so that the preparation of the new paper roll B in the roll preparing area 100 is completed.

Further, at this time, the new paper end B1 can be pressed by the pull rope preset in the paper end fixing lever 13 (a fixing mode of the pull rope is not limited, and a derived fixing mode can be adopted, and only the new paper end B1 needs to be stably limited on the paper end fixing lever 13), and the edge of the new paper end B1 is cut and straightened and corrected by the cutter preset at the top end of the paper end fixing lever 13.

For the convenience of understanding, the above-mentioned fast splicing and roll changing mechanism will be further explained with reference to a specific working method.

The working method of the quick paper receiving and roll changing mechanism of the embodiment comprises the following steps:

a paper returning procedure: the reel of base paper a continues to rotate and unwind in the feeding area 200 and continues to deliver the web along the feeding path until the reel of base paper a is near the end of the unwinding, and the cutting member 2 compresses and cuts the web of the reel of base paper a to form a tail a1 of base paper. Further, in the unwinding process of the present embodiment, the pressing roller 22 swings toward the guide roller 21 to press the web wound around the roller surface of the guide roller 21, and then the cutting unit 23 swings to cut the web between the guide roller 21 and the base roll a to form the tail a 1.

Paper preparation process: the new paper roll B is supported by the standby rolling mechanism 1 in the standby rolling area 100 for standby, and a new paper head B1 is manually led out from the new paper roll B and is flatly laid and fixed on the standby rolling mechanism 1. Further, the new paper roll B is placed on the support hook 12 in a hanging mode, the end portion of the reel of the new paper roll B is borne by the support hook 12, then a new paper head B1 is led out from the new paper roll B and is flatly laid and fixed on the paper head fixing rod 13, and then the double-faced adhesive tape is pasted on the paper web close to the front end face of the paper head fixing rod 13.

A paper splicing procedure: after the paper unwinding process and the paper preparation process are completed, the original paper roll A is unwound from the roll feeding area 200, the new paper roll B carried by the roll preparation mechanism 1 is transferred from the roll preparation area 100 to the roll feeding area 200, and after the new paper roll B reaches a preset position, the roll preparation mechanism 1 can be separated from the new paper roll B in the roll feeding area 200 and move towards the cutting part 2 so that the new paper head B1 and the original paper tail A1 can be spliced together in a contact mode. Further, a new paper roll B is borne by the hook 12 of the roll preparing mechanism 1, the lifting frame 11 is driven to move downwards to enable the new paper roll B to gradually move downwards to the unwinding position 210 of the roll sending area 200, after the new paper roll B reaches the unwinding position 210, the lifting frame 11 is driven to continuously move downwards to enable the hook 12 to be separated from the end portion of a reel of the new paper roll B, then the lifting frame is driven to transversely move towards the direction of the guide roller 21 to enable the paper head fixing rod 13 to gradually approach the guide roller 21 until the paper head fixing rod 13 abuts against the roller surface of the guide roller 21 to enable new paper adhered with double-sided adhesive tapes to be adhered to the tail A1 of the original paper, the new paper head B1 and the tail A1 of the original paper are in contact and spliced together, and the paper splicing effect.

Further, after the paper splicing process is completed, the paper preparing mechanism 1 is reset to the paper preparing area 100 to repeat the paper preparing process, and the new paper roll B continuously rotates and unwinds in the roll sending area 200 and continuously outputs the paper web along the feeding path.

The unwinding process and the standby process can be performed simultaneously or sequentially, wherein the simultaneous manner is adopted, so that the influence of roll change on production can be reduced, efficient production is realized, and a person skilled in the art can adopt an appropriate manner according to the production condition, which is not limited herein.

The cutting member 2 of the embodiment is not limited to the above-mentioned structure, but may be derived, for example, by using a guide roll 21 with negative pressure suction function, without providing a press roll 22, so that the paper web is sucked by the negative pressure of the guide roll 21 to adhere to the roll surface before the paper breaking unit 23 breaks the paper, and then the paper web is kept sucked by the negative pressure after the paper breaking to keep the tail a1 of the cut paper web confined at the guide roll 21, and the new paper head B1 is waited for the paper splicing process, and after the paper splicing process is completed, the guide roll 21 closes the negative pressure suction to make the paper web output the paper web along the supply path.

Further, in another embodiment, a fixing hook (the fixing hook is disposed in a staggered manner with the supporting hook 12 and the fixing hook is disposed above the supporting hook 12) is welded to the rack for pre-supporting the new paper roll B in the rack, and at this time, the paper preparation process can be operated until the new paper roll B needs to be transferred from the paper preparation area 100 to the paper delivery area 200, the lifting rack 11 can be driven to move upward to drive the supporting hook 12 to move upward to lift the new paper roll B, so that after the new paper roll B is separated from the fixing hook, the supporting hook 12 lifts the new paper roll B and moves downward to the paper delivery area 200, and by adopting the above manner, the bearing load of the supporting hook 12 in the working process is reduced.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make many changes, modifications, and equivalents of the embodiments of the invention without departing from the scope of the invention. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.

Claims

1. The utility model provides a quick paper splicing roll changing mechanism which characterized in that: the paper cutting machine comprises a roll preparing area (100) and a roll feeding area (200), wherein a base paper roll (A) is unwound in the roll feeding area (200) and outputs paper webs along a preset feeding path, and a cutting part (2) for cutting the paper webs of the base paper roll (A) to form a base paper tail (A1) is arranged on the feeding path; the paper roll preparing area (100) is provided with a paper roll preparing mechanism (1), a new paper head (B1) led out by a new paper roll (B) is paved and fixed on the paper roll preparing mechanism (1) in advance, the paper roll preparing mechanism (1) is used for bearing the new paper roll (B) to move, the original paper roll (A) cut by the cutting part (2) exits the paper roll conveying area (200), the new paper roll (B) borne by the paper roll preparing mechanism (1) is transferred to the paper roll conveying area (200) from the paper roll preparing area (100), and the paper roll preparing mechanism (1) can separate from the new paper roll (B) in the paper roll conveying area (200) and move towards the cutting part (2) so that the new paper head (B1) and the paper roll tail (A1) can be spliced together in a contacting mode.

2. The quick paper receiving and roll changing mechanism according to claim 1, characterized in that: the cutting part (2) comprises a guide roller (21), a pressing roller (22) and a paper breaking unit (23), wherein the pressing roller (22) is arranged close to the periphery of the guide roller (21), the pressing roller (22) can act towards the roller surface of the guide roller (21) to cooperate with pressing of a paper web wound through the roller surface of the guide roller (21), and the paper breaking unit (23) acts on the pressed paper web to cut off and form a raw paper tail (A1).

3. The quick paper receiving and roll changing mechanism according to claim 1, characterized in that: prepare a roll mechanism (1) and include crane (11), locate the support of crane (11) caudal side and collude (12) and locate stub of paper (13) the crane (11) front side, wherein, hold in the palm and collude (12) and be used for bearing new scroll (B), new stub of paper (B1) tiling of drawing forth by new scroll (B) is fixed on stub of paper (13).

4. The quick paper receiving and roll changing mechanism according to claim 3, characterized in that: the lifting frame (11) is provided with a vertical driving unit (15) for driving the lifting frame to move along the vertical direction and a transverse driving unit (16) for driving the lifting frame to move along the transverse direction.