CN215589283U

CN215589283U - Paper cutter for slitting rolls

Info

Publication number: CN215589283U
Application number: CN202122237669.0U
Authority: CN
Inventors: 丁光景; 屈闯; 索紫妍; 陈曦; 李小燕
Original assignee: Kunshan Youyuansheng Machinery Co ltd
Current assignee: Kunshan Youyuansheng Machinery Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-01-21
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a paper cutter for slitting rolls, which comprises a rack, a rotating mechanism, a roll blocking mechanism, a cutter rest adjusting mechanism, a cutting mechanism and a control unit, wherein the rack is arranged on the rack; the rotating mechanism comprises two rollers arranged on the rack, and the two rollers are driven to rotate by a first driving piece respectively; the paper roll blocking mechanism is used for blocking paper rolls from two sides; the tool rest adjusting mechanism comprises a sliding seat and a rotating frame; the sliding seat is driven by a second driving piece to slide left and right; the rotating frame is driven to rotate by a third driving piece; the cutting mechanism comprises a fourth driving piece and a saw blade and is used for cutting the paper roll; the first driving piece, the second driving piece, the third driving piece and the fourth driving piece are in signal connection with the control unit. In the utility model, the relative positions of the two rollers of the rotating mechanism, the roll blocking position of the roll blocking mechanism and the position of the cutting mechanism can be adjusted by the driving element controlled by the control unit, so that the processes of positioning the saw blade and cutting the paper roll can be automatically completed.

Description

Paper cutter for slitting rolls

Technical Field

The utility model belongs to the technical field of paper cutters, and particularly relates to a paper cutter for slitting rolls.

Background

The paper roll cutting machine is one of the most commonly used devices in the printing and packaging industry, and the paper roll cutting machine firstly fixes the paper roll in the paper roll processing process, then adopts a saw blade to cut in the paper roll rotating process, cuts a long section of paper roll into a plurality of paper rolls meeting specific length, and then packages the paper roll.

In the existing paper cutting machine for cutting the paper roll, the positioning of the saw blade and the paper roll cutting process are both manually performed by an operator, and the cutting object is single.

Disclosure of Invention

The utility model provides a paper cutter for slitting rolls, which can automatically complete the positioning of a saw blade and the process of cutting paper rolls.

The utility model is realized by the following steps: a paper cutter for slitting rolls comprises a rack, a rotating mechanism, a roll blocking mechanism, a knife rest adjusting mechanism, a cutting mechanism and a control unit; the rotating mechanism comprises two rollers arranged on the rack, and the two rollers are driven to rotate by a first driving piece respectively; the paper roll blocking mechanism is used for blocking paper rolls from two sides; the tool rest adjusting mechanism comprises a sliding seat and a rotating frame; the sliding seat is connected with the rack in a sliding manner and driven by the second driving piece to slide left and right; the middle of the rotating frame is rotatably connected with the sliding seat, the tail of the rotating frame is also rotatably connected with a first lead screw capable of lifting, the first lead screw is driven to lift by a third driving piece through a first worm gear lead screw lifter, and the first worm gear lead screw lifter is rotatably connected with the sliding seat; the cutting mechanism comprises a saw blade arranged on the rotating frame and a fourth driving piece for driving the saw blade to rotate, and is used for cutting the paper roll; the first driving piece, the second driving piece, the third driving piece and the fourth driving piece are all in signal connection with the control unit.

Preferably, the rolling-stopping mechanisms are divided into a left group and a right group, and the two groups of rolling-stopping mechanisms are respectively connected to the left side and the right side of the rack in a sliding manner.

Preferably, one of the group of the rolling stopping mechanism is connected with a screw rod bearing, the screw rod bearing is rotationally matched on a second screw rod, the second screw rod is rotationally connected with the rack, and one end of the second screw rod is connected with a hand wheel.

Preferably, two sides of one of the rollers are respectively and rotatably connected with one mounting block, the two mounting blocks are respectively and slidably connected to two sides of the rack and driven by a fifth driving piece to slide back and forth, and the fifth driving piece is in signal connection with the control unit.

Preferably, the fifth driving part is arranged on one side of the rack, two second worm gear lead screw elevators are used for driving two third lead screws to move back and forth, and the two third lead screws are arranged on two sides of the rack along the front-back direction and are respectively connected with one mounting block.

Preferably, the control unit is provided with a touch screen and a plurality of buttons.

Preferably, a speed reducer is connected between the first driving piece and the roller.

Preferably, the saw blade is provided with a first shield and a second shield which can rotate relative to the first shield at the periphery.

Preferably, a cross bar is arranged between the second shield and the sliding seat, and two sides of the cross bar are respectively and rotatably connected with the sliding seat and the second shield.

Preferably, an air suction cover is arranged on the sliding seat and behind the saw blade.

The utility model has the beneficial effects that: in the utility model, the relative positions of the two rollers of the rotating mechanism, the roll blocking position of the roll blocking mechanism and the position of the cutting mechanism can be adjusted by the driving element controlled by the control unit, so that the processes of positioning the saw blade and cutting the paper roll can be automatically completed.

Drawings

FIG. 1 is a schematic view of a first configuration of a slitter for slitting a roll according to the present invention;

FIG. 2 is a second schematic diagram of a slitter for slitting a roll according to the present invention;

FIG. 3 is a schematic bottom view of a paper cutter for slitting a roll according to the present invention;

fig. 4 is a schematic structural diagram of the control unit in fig. 1.

In the figure: 1. a frame; 2. a rotation mechanism; 21. a roller; 22. a first driving member; 23. mounting blocks; 24. a fifth driving member; 25. a second worm screw elevator; 26. a third screw rod; 27. a speed reducer; 3. a roll blocking mechanism; 31. a screw bearing; 32. a second lead screw; 33. a hand wheel; 4. a tool holder adjustment mechanism; 41. a sliding seat; 42. a rotating frame; 43. a second driving member; 44. a first lead screw; 45. a third driving member; 46. a first worm screw elevator; 47. an air suction hood; 5. a cutting mechanism; 51. a saw blade; 52. a fourth drive; 53. a first shield; 54. a second shield; 55. a cross bar; 6. a control unit; 61. a touch screen; 62. a button.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, a paper cutter for slitting a roll includes a frame 1, a rotating mechanism 2, a roll blocking mechanism 3, a tool rest adjusting mechanism 4, a cutting mechanism 5, and a control unit 6; the rotating mechanism 2 comprises two rollers 21 arranged on the rack 1, and the two rollers 21 are driven to rotate by a first driving piece 22 respectively; the paper roll blocking mechanism 3 is used for blocking paper rolls from two sides; the tool rest adjusting mechanism 4 comprises a sliding seat 41 and a rotating frame 42; the sliding seat 41 is connected with the frame 1 in a sliding manner and driven by the second driving piece 43 to slide left and right; the middle of the rotating frame 42 is rotatably connected with the sliding seat 41, the tail part of the rotating frame is also rotatably connected with a first screw rod 44 capable of lifting, the first screw rod 44 is driven to lift by a third driving piece 45 through a first worm gear screw rod lifter 46, and the first worm gear screw rod lifter 46 is rotatably connected with the sliding seat 41; the cutting mechanism 5 comprises a saw blade 51 arranged on the rotating frame 42 and a fourth driving piece 52 for driving the saw blade 51 to rotate, and is used for cutting the paper roll; the first driving member 22, the second driving member 43, the third driving member 45 and the fourth driving member 52 are all in signal connection with the control unit 6.

Specifically, referring to fig. 1 to 3, the roll blocking mechanisms 3 are divided into two left and right groups, and the two roll blocking mechanisms 3 are respectively connected to the left and right sides of the frame 1 in a sliding manner; further, one group of the coil blocking mechanisms 3 is connected with a screw rod bearing 31, the screw rod bearing 31 is in rotating fit with a second screw rod 32, the second screw rod 32 is in rotating connection with the frame 1, and one end of the second screw rod is connected with a hand wheel 33; when the paper roll blocking mechanism works specifically, an operator rotates the hand wheel 33 to enable one group of paper roll blocking mechanisms 3 to touch one end of a paper roll, then the second driving piece 43 drives the sliding seat 41 to slide, and after the saw blade 51 reaches a set zero position, the other group of paper roll blocking mechanisms 3 are moved to achieve the effect of blocking the paper roll from two sides and preventing the paper roll from moving left and right.

Two sides of one roller 21 of the two rollers 21 are respectively and rotatably connected with one mounting block 23, the two mounting blocks 23 are respectively and slidably connected with two sides of the rack 1 and driven by a fifth driving piece 24 to slide back and forth, and the fifth driving piece 24 is in signal connection with the control unit 6; the way that the fifth driving element 24 drives the mounting block 23 to slide back and forth is as follows: the fifth driving piece 24 is arranged on one side of the frame 1, two second worm wheel screw rod lifters 25 drive two third screw rods 26 to move back and forth, the two third screw rods 26 are arranged on two sides of the frame 1 along the front and back direction and are respectively connected with one mounting block 23; during specific work, the fifth driving piece 24 drives the two second worm-wheel lead screw elevators 25 through a transmission shaft simultaneously, the two second worm-wheel lead screw elevators 25 drive a third lead screw 26 to move back and forth respectively, the third lead screw 26 is connected with the mounting block 23, the mounting block 23 also follows the back and forth movement, so that one roller 21 is driven to move back and forth relative to the rack 1, the distance between the two rollers 21 is changed, paper rolls with different diameters are driven to rotate, the two sides of the roller 21 are driven to move, and the movement is more stable.

Further, referring to fig. 4, the control unit 6 is provided with a touch screen 61 and a plurality of buttons 62, which facilitate an operator to input instructions and check the operating state of the paper cutter.

Further, referring to fig. 1, a speed reducer 27 is connected between the first driving member 22 and the roller 21, the speed reducer 27 can reduce the rotation speed of the first driving member 22 and increase the output torque thereof, so as to increase the load that the first driving member 22 can bear, and the speed reducer 27 can be a worm gear speed reducer.

Further, referring to fig. 1 and 2, a first shield 53 and a second shield 54 which can rotate relative to the first shield 53 are arranged on the periphery of the saw blade 51, the first shield 53 and the second shield 54 prevent an operator from contacting the rotating saw blade 51, so that safety in use is ensured, the second shield 54 can rotate relative to the first shield 53, the operator can rotate the second shield 54 to overlap the first shield 53 to expose the saw blade 51, so that the saw blade 51 can be conveniently replaced, and the saw blade 51 can be replaced to replace different types of saw blades 51 to cut various types of rolls.

Further, a cross bar 55 is arranged between the second shield 54 and the sliding seat 41, two sides of the cross bar 55 are respectively rotatably connected with the sliding seat 41 and the second shield 54, and the cross bar 55 can improve the stability of the second shield 54.

Further, referring to fig. 2, an air suction hood 47 is disposed behind the saw blade 51 on the sliding seat 41, and the air suction hood 47 is connected to an air suction fan, so that debris generated by cutting of the saw blade 51 can be sucked away in the paper roll cutting process, and the cleanness of the paper cutting machine is ensured.

The working principle and the using process of the utility model are as follows:

1) earlier stage work: the operator inputs parameters such as the diameter, the length, the cutting number and distance, the cutting speed and the like of the paper roll through the control unit 6;

2) the feeding process comprises the following steps:

1. a fifth driving part 24 drives one of the rollers 21, and the roller 21 moves to a proper position according to the input diameter of the paper roll;

2. placed between the two rollers 21 by a dolly or a manual paper roll.

3) And (3) positioning:

1. an operator rotates the hand wheel 33 to make a group of rolling blocking mechanisms 3 touch one end of the paper roll;

2. the second driving piece 43 works to drive the sliding seat 41 to move, so as to drive the saw blade 51 to a set zero position;

3. the operator moves the other set of stop mechanism 3 to touch the other end of the paper roll and positions the paper roll from both sides.

4) Cutting process:

1. the first driving piece 22 drives the roller 21 to rotate, and the roller 21 drives the paper roll to rotate;

2. the second driving member 43 drives the sliding seat 41 to move, so as to drive the saw blade 51 to the cutting point;

3. the fourth driving part 52 drives the saw blade 51 to rotate in a belt transmission manner;

4. the third driving piece 45 drives the first worm screw rod lifter 46, the first screw rod 44 rises to drive the rotating frame 42 to rotate towards the paper roll, the saw blade 51 is arranged on the rotating frame 42 and contacts with the paper roll for cutting, the first screw rod 44 is rotationally connected with the rotating frame 42, the first worm screw rod lifter 46 is rotationally arranged on the sliding seat 41, and can swing along with the rotating frame 42 when driving the first screw rod 44 to rise and fall without limiting the position of the rotating frame 42;

5. the saw blade 51 cuts the paper roll;

6. the third driving piece 45 is driven reversely, the first screw rod 44 descends, and the saw blade 51 retreats and is separated from the paper roll;

7. the fourth driving member 52 stops working, and the saw blade 51 stops rotating;

8. repeating the steps 2-7 of the cutting process until the paper roll is cut;

9. the third drive 45 drives the saw blade 51 to the uppermost position, leaving room for the paper roll to be blanked.

5) Process of blanking

1. The operator moves the two groups of roll blocking mechanisms 3 away;

2. the cut roll is removed from the roll 21 by a dolly or manually.

The operator can automatically perform the positioning of the saw blade 51 and the process of cutting the paper roll by means of data input by the control unit 6.

In addition, when the second driving element 43 and the third driving element 45 do not work, the second driving element 43 and the third driving element 45 are not in a locking state, and an operator can select a manual mode in the control unit 6 to enable the second driving element 43 or the third driving element 45 to be in a stop state, select to manually move the sliding seat 41, move the saw blade 51 to a desired position, and then start the paper cutter to cut; or, after the sliding seat 41 automatically moves to the designated position, the saw blade 51 is manually pressed down to cut, and the operation mode is flexible.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A paper cutter for slitting rolls is characterized by comprising a rack (1), a rotating mechanism (2), a roll blocking mechanism (3), a cutter rest adjusting mechanism (4), a cutting mechanism (5) and a control unit (6);

the rotating mechanism (2) comprises two rollers (21) arranged on the rack (1), and the two rollers (21) are driven to rotate by a first driving piece (22) respectively;

the roll blocking mechanism (3) is used for blocking the paper rolls from two sides;

the tool rest adjusting mechanism (4) comprises a sliding seat (41) and a rotating frame (42); the sliding seat (41) is connected with the rack (1) in a sliding manner and driven by a second driving piece (43) to slide left and right; the middle of the rotating frame (42) is rotatably connected with the sliding seat (41), the tail of the rotating frame is also rotatably connected with a first screw rod (44) capable of lifting, the first screw rod (44) is driven to lift by a third driving piece (45) through a first worm gear screw rod lifter (46), and the first worm gear screw rod lifter (46) is rotatably connected with the sliding seat (41);

the cutting mechanism (5) comprises a saw blade (51) arranged on the rotating frame (42) and a fourth driving piece (52) used for driving the saw blade (51) to rotate and used for cutting the paper roll;

the first driving piece (22), the second driving piece (43), the third driving piece (45) and the fourth driving piece (52) are in signal connection with the control unit (6).

2. A paper cutting machine for slitting rolls according to claim 1, characterized in that the roll blocking mechanisms (3) are divided into two groups, a left group and a right group, and the two groups of roll blocking mechanisms (3) are slidably connected to the left and the right of the frame (1), respectively.

3. A paper cutter for slitting rolls according to claim 2, characterized in that one set of the roll blocking mechanisms (3) is connected with a screw bearing (31), the screw bearing (31) is rotationally fitted on a second screw (32), the second screw (32) is rotationally connected with the frame (1), and one end is connected with a hand wheel (33).

4. A paper cutting machine for slitting rolls according to claim 1, characterized in that one of the rollers (21) is rotatably connected with one mounting block (23) on each side, the two mounting blocks (23) are slidably connected with each side of the frame (1) and are driven by a fifth driving member (24) to slide back and forth, and the fifth driving member (24) is in signal connection with the control unit (6).

5. A paper cutter for slitting rolls according to claim 4 characterized in that the fifth driving member (24) is arranged on one side of the frame (1) and drives two third screws (26) to move back and forth by two second worm screw lifters (25), the two third screws (26) being arranged on both sides of the frame (1) in the front-back direction and each being connected with one of the mounting blocks (23).

6. A cutter for slitting rolls according to claim 1, characterized in that the control unit (6) is provided with a touch screen (61) and a plurality of buttons (62).

7. A cutter cutting a roll according to claim 1, characterised in that a speed reducer (27) is connected between the first drive member (22) and the roller (21).

8. A cutter for slitting logs according to claim 1, characterized in that the saw blade (51) is peripherally provided with a first shield (53) and a second shield (54) rotatable with respect to the first shield (53).

9. A slitter for slitting rolls according to claim 8, characterised in that a cross bar (55) is arranged between the second shroud (54) and the sliding seat (41), the cross bar (55) being rotatably connected on both sides to the sliding seat (41) and the second shroud (54), respectively.

10. A cutter cutting a reel according to claim 1, characterized in that the slide shoe (41) is provided with a suction hood (47) behind the saw blade (51).