CN218699214U

CN218699214U - Cutting mechanism for slitting rewinder

Info

Publication number: CN218699214U
Application number: CN202221982130.6U
Authority: CN
Inventors: 杨黄忠
Original assignee: Maanshan Kewei Electronic Technology Co ltd
Current assignee: Maanshan Kewei Electronic Technology Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-03-24
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a slitting rewinding machine is with cutting mechanism, which comprises a frame, one side of frame is provided with the numerical control case, the top of frame is provided with motor one, the output shaft one end fixedly connected with set casing of motor one, the inside of set casing is provided with motor two, output shaft one end fixedly connected with screw lead screw of motor two, one side outer wall fixedly connected with arbor of set casing, the outer wall of arbor is provided with spout three, the bottom inner wall sliding connection of spout three has slider three, the screw lead screw sets up the central position at spout three, screw lead screw and the three threaded connection of slider. The utility model discloses a set up distance sensor, utilize distance sensor to detect the distance between the branch cutter, numerical control case control passes through two drive screw lead screws of motor and rotates, and the screw lead screw will divide the distance between the cutter to adjust the numerical value of needs through slider three, need not manual regulation, and is efficient, and the error is little.

Description

Cutting mechanism for slitting rewinder

Technical Field

The utility model relates to a rewinding machine technical field especially relates to a slitting rewinding machine cutting mechanism.

Background

A rewinder is a special device for paper, mica tapes and films, and is used for sequentially rewinding paper rolls (called original paper rolls) produced by a paper machine, and the paper is rewound to form finished paper to leave the factory. The rewinding process mainly completes three tasks: firstly, cutting raw edges of base paper; secondly, cutting the whole raw paper into a plurality of widths meeting the user specification; and thirdly, controlling the winding diameter of the finished paper roll to enable the finished paper roll to meet the factory specifications.

However, in the prior art, before the slitting rewinder is used, the distance between the slitting knives is adjusted according to different types of produced products, most of the distance adjustment of the slitting knives is performed manually, the adjusting efficiency is low, and the existing errors are large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a divide and cut rewinding machine with cutting mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a slitting rewinding machine cutting mechanism, includes the frame, one side of frame is provided with the numerical control case, the top of frame is provided with motor one, the output shaft one end fixedly connected with set casing of motor one, the inside of set casing is provided with motor two, the output shaft one end fixedly connected with screw lead screw of motor two, one side outer wall fixedly connected with arbor of set casing, the outer wall of arbor is provided with spout three, the bottom inner wall sliding connection of spout three has slider three, the screw lead screw sets up the central point at spout three, screw lead screw and slider three cross threaded connection, the outer wall of arbor has cup jointed the slitting cutter, slitting cutter and slider three fixed connection, the both sides outer wall of slider three all is provided with distance sensor, motor one and motor two all with numerical control case electric connection, the outer wall of arbor has fixed cover through threaded connection, one side outer wall of fixed cover is seted up porose one, the inner wall of hole one is pegged graft and is had the bearing, bearing and the outer wall fixed connection of screw lead screw.

Preferably, the outer wall of the bottom of the rack is provided with a first lifting cylinder, and one end of a piston rod of the first lifting cylinder is fixedly connected with the fixed block.

Preferably, the outer wall of one side of the rack is provided with a first sliding groove, the inner wall of the bottom of the first sliding groove is connected with a first sliding block in a sliding mode, the first sliding block is fixedly connected with the fixed block, and the first sliding block is arranged in the center of the fixed block.

Preferably, the outer wall of the bottom of the rack is provided with a second lifting cylinder, one end of a piston rod of the second lifting cylinder is fixedly connected with a limiting sleeve, and the limiting sleeve is rotatably connected with the outer wall of the cutter shaft through a bearing.

Preferably, a rectangular opening is formed in the outer wall of the other side of the rack, and the second lifting cylinder is arranged in the center of the rectangular opening.

Preferably, the outer wall of one side opposite to the rectangular opening is provided with a second sliding groove, the inner wall of the bottom of the second sliding groove is connected with a second sliding block in a sliding mode, and the second sliding blocks are fixedly connected with the limiting sleeve.

Preferably, the outer wall of the cutter shaft is provided with electromagnets which are symmetrically distributed, the electromagnets are sleeved with the slitting knife, and the electromagnets are electrically connected with the numerical control box.

Preferably, the material of dividing the cutter is alloy steel, and the first lifting cylinder and the second lifting cylinder are equal and are electrically connected with the numerical control box.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up distance sensor, in inputting the distance that needs to be adjusted into the numerical control case, utilize distance sensor to detect the distance between the branch cutter, the numerical control case control drives the screw lead screw through motor two and rotates, the screw lead screw passes through slider three and adjusts the distance between the branch cutter to required numerical value, need not manual regulation, and is efficient, and the error is little;

2. the utility model discloses a set up the electro-magnet, when cutting, for the electro-magnet circular telegram, the electro-magnet produces the appeal to the branch cutter of alloy steel material, and then will divide the cutter to fix, makes its process that cuts can not appear squinting, guarantees to cut the effect.

Drawings

Fig. 1 is a schematic view of the overall structure proposed by the present invention;

fig. 2 is an enlarged schematic view of a point a provided by the present invention;

fig. 3 is an enlarged schematic view of the position B of the present invention;

fig. 4 is a schematic view of the knife shaft structure provided by the present invention;

fig. 5 is an enlarged schematic view of the position C provided by the present invention.

In the figure: 1. a frame; 2. a first lifting cylinder; 3. a fixed block; 4. a numerical control box; 5. a first motor; 6. a stationary case; 7. a cutter shaft; 8. a rectangular opening; 9. a second lifting cylinder; 10. a first sliding chute; 11. a first sliding block; 12. a second chute; 13. a second sliding block; 14. a position limiting sleeve; 15. a third chute; 16. a threaded lead screw; 17. fixing a sleeve; 18. a second motor; 19. an electromagnet; 20. a slitting knife; 21. a distance sensor; 22. and a third sliding block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, in an embodiment of the present invention, a cutting mechanism for a slitting and rewinding machine includes a frame 1, a numerical control box 4 is disposed on one side of the frame 1, a motor i 5 is disposed above the frame 1, a fixing shell 6 is fixedly connected to one end of an output shaft of the motor i 5, a motor ii 18 is disposed inside the fixing shell 6, a threaded lead screw 16 is fixedly connected to one end of an output shaft of the motor ii 18, a knife shaft 7 is fixedly connected to an outer wall of one side of the fixing shell 6, a chute iii 15 is disposed on an outer wall of the knife shaft 7, a slider iii 22 is slidably connected to an inner wall of a bottom of the chute iii 15, the threaded lead screw 16 is disposed at a central position of the chute iii 15, the threaded lead screw 16 is connected to the slider iii 22 through a thread, a slitting knife 20 is sleeved on an outer wall of the knife shaft 7, divide cutter 20 and three 22 fixed connection of slider, the both sides outer wall of three 22 of slider all is provided with distance sensor 21, motor 5 and motor 18 all with numerical control case 4 electric connection, the outer wall of arbor 7 has fixed cover 17 through threaded connection, one side outer wall of fixed cover 17 is seted up porose one, the inner wall of hole one is pegged graft and is had the bearing, the outer wall fixed connection of bearing and screw lead screw 16, the distance that will need to adjust is imported into numerical control case 4, utilize distance sensor 21 to detect the distance between the branch cutter 20, numerical control case 4 control drives screw lead screw 16 through motor two 18 and rotates, screw lead screw 16 will divide the distance between the cutter 20 to adjust to required numerical value through three 22 of slider, need not manual regulation, high efficiency, the error is little.

Further, the outer wall of the bottom of the rack 1 is provided with a first lifting cylinder 2, one end of a piston rod of the first lifting cylinder 2 is fixedly connected with the fixed block 3, and the first lifting cylinder 2 is utilized to achieve lifting and supporting effects.

Further, a first sliding groove 10 is formed in the outer wall of one side of the rack 1, a first sliding block 11 is connected to the inner wall of the bottom of the first sliding groove 10 in a sliding mode, the first sliding block 11 is fixedly connected with the fixed block 3, the first sliding block 11 is arranged in the central position of the fixed block 3, and the first sliding block 11 and the first sliding groove 10 are used for achieving limiting effect on movement of the fixed block 3.

Further, a second lifting cylinder 9 is arranged on the outer wall of the bottom of the rack 1, a limiting sleeve 14 is fixedly connected to one end of a piston rod of the second lifting cylinder 9, the limiting sleeve 14 is rotatably connected with the outer wall of the cutter shaft 7 through a bearing, and the second lifting cylinder 9 is utilized to achieve lifting and supporting effects.

Further, the other side outer wall of frame 1 is provided with rectangle mouth 8, and second 9 of lift cylinder set up the central point at rectangle mouth 8, utilizes rectangle mouth 8 to play spacing effect to second 9 of lift cylinder.

Further, the outer wall of one side opposite to the rectangular opening 8 is provided with a second sliding groove 12, the inner wall of the bottom of the second sliding groove 12 is connected with a second sliding block 13 in a sliding mode, the two second sliding blocks 13 are fixedly connected with a limiting sleeve 14, and the second sliding groove 12 and the second sliding block 13 are used for achieving limiting effect on movement of the limiting sleeve 14.

Further, the outer wall of the cutter shaft 7 is provided with an electromagnet 19, the electromagnets 19 are symmetrically distributed, the electromagnet 19 is sleeved with the slitting knife 20, the electromagnet 19 is electrically connected with the numerical control box 4, and the electromagnet 19 is electrified to fix the slitting knife 20.

Further, the material of dividing cutter 20 is alloy steel, and the equal and numerical control case 4 of lifting cylinder 2 and two 9 passes through electric connection, and alloy steel's dividing cutter 20 can be attracted fixedly by the electro-magnet 19 of circular telegram, utilizes numerical control case 4 control lifting cylinder 2 and two 9 of lifting cylinder.

The utility model discloses a theory of operation is:

before cutting, the distance between the slitting knives 20 is adjusted according to production requirements, the distance required to be adjusted is input into the numerical control box 4, the distance between the slitting knives 20 is detected through the distance sensor 21, the numerical control box 4 controls the motor II 18 to drive the threaded screw rod 16 to rotate, the threaded screw rod 16 adjusts the distance between the slitting knives 20 to a required value through the slide block III 22, manual adjustment is not needed, efficiency is high, errors are small, the height of the cutter shaft 7 is adjusted to a proper position through the lifting cylinder I2 and the lifting cylinder II 9, the slide block I11 slides along the inner wall of the slide groove I10, the slide block II 13 slides along the inner wall of the slide groove II 12 to feed materials onto the slitting rewinding machine to start cutting, the electromagnet 19 is electrified during cutting, the electromagnet 19 generates attraction force on the slitting knife 20 made of the alloy steel, the slitting knife 20 is fixed, the slitting knife 20 cannot deviate in the cutting process, and the cutting effect is guaranteed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A cutting mechanism for a slitting rewinder comprises a rack (1) and is characterized in that a numerical control box (4) is arranged on one side of the rack (1), a motor I (5) is arranged above the rack (1), one end of an output shaft of the motor I (5) is fixedly connected with a fixed shell (6), a motor II (18) is arranged inside the fixed shell (6), one end of an output shaft of the motor II (18) is fixedly connected with a threaded lead screw (16), one side outer wall of the fixed shell (6) is fixedly connected with a cutter shaft (7), the outer wall of the cutter shaft (7) is provided with a chute III (15), the bottom inner wall of the chute III (15) is slidably connected with a slider III (22), the threaded lead screw (16) is arranged at the central position of the chute III (15), the threaded lead screw (16) is in threaded connection with the slider III (22), a slitting knife (20) is sleeved on the outer wall of the cutter shaft (7), the slitting knife (20) is fixedly connected with the slider III (22), distance sensors (21) are arranged on the outer walls of two sides of the slider III (22), the distance sensors (21), the outer wall of the cutter shaft (5) is electrically connected with the motor II (17), the outer wall of one side of the fixed sleeve (17) is provided with a first hole, the inner wall of the first hole is inserted with a bearing, and the bearing is fixedly connected with the outer wall of the threaded screw rod (16).

2. The cutting mechanism for the slitting rewinder as claimed in claim 1, wherein a first lifting cylinder (2) is arranged on the outer wall of the bottom of the rack (1), and one end of a piston rod of the first lifting cylinder (2) is fixedly connected with the fixing block (3).

3. The cutting mechanism for the cutting rewinding machine as claimed in claim 1, wherein a first chute (10) is formed in an outer wall of one side of the frame (1), a first sliding block (11) is slidably connected to an inner wall of a bottom of the first chute (10), the first sliding block (11) is fixedly connected with the fixed block (3), and the first sliding block (11) is arranged in a center of the fixed block (3).

4. The cutting mechanism for the slitting rewinder as claimed in claim 1, wherein a second lifting cylinder (9) is arranged on the outer wall of the bottom of the rack (1), a limiting sleeve (14) is fixedly connected to one end of a piston rod of the second lifting cylinder (9), and the limiting sleeve (14) is rotatably connected with the outer wall of the cutter shaft (7) through a bearing.

5. The cutting mechanism for the slitter-winder according to claim 4, wherein a rectangular opening (8) is formed in an outer wall of the other side of the frame (1), and the second lifting cylinder (9) is arranged in the center of the rectangular opening (8).

6. The cutting mechanism for the cutting rewinding machine as claimed in claim 5, wherein the outer walls of the opposite sides of the rectangular opening (8) are provided with second sliding grooves (12), the inner walls of the bottoms of the second sliding grooves (12) are connected with second sliding blocks (13) in a sliding manner, and the two second sliding blocks (13) are fixedly connected with the limiting sleeve (14).

7. The cutting mechanism for the slitting rewinder as claimed in claim 1, wherein electromagnets (19) are arranged on the outer wall of the cutter shaft (7), the electromagnets (19) are symmetrically distributed, the electromagnets (19) are sleeved with the slitting knives (20), and the electromagnets (19) are electrically connected with the numerical control box (4).

8. The cutting mechanism for the slitter-winder according to claim 2, wherein the material of the slitting knife (20) is alloy steel, and the first lifting cylinder (2) and the second lifting cylinder (9) are electrically connected to the numerical control box (4).