CN219583037U

CN219583037U - Rewinding paper knife

Info

Publication number: CN219583037U
Application number: CN202320584782.2U
Authority: CN
Inventors: 杨栩葵; 袁伟伟; 袁业徽; 濮礼伟; 尹光虎
Original assignee: Maanshan Fengtian Alloy Cutting Die Co ltd
Current assignee: Maanshan Fengtian Alloy Cutting Die Co ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-08-25
Anticipated expiration: 2033-03-23

Abstract

The utility model discloses a rewinding paper cutter which comprises a mounting column, wherein a left cutter and a right cutter are respectively arranged at two ends of the mounting column, and the left cutter and the right cutter are symmetrically arranged on the mounting column; the left cutter comprises a mounting lantern ring, an annular blade and a connecting ring, wherein the annular blade is sleeved and fixed in the middle of the connecting ring, and the connecting ring is sleeved and connected on the mounting lantern ring; an adjusting device is arranged in the mounting column. According to the rewinding paper knife, the mounting lantern ring and the connecting ring are fixed through the screws, so that the knife blade and the whole knife blade are detachably connected, the knife blade is convenient to disassemble and assemble, the knife blade is convenient to maintain and replace, the whole practicability is improved, the driving motor drives the driving screw rod to rotate anticlockwise, the left knife blade and the right knife blade are driven to move oppositely, the distance between the knife blades on the left knife blade and the right knife blade is adjusted, the distance between the knife blades can be adjusted according to the cutting requirement of paper rolls, the distance between the knife blades is automatically adjusted according to the requirement, and the suitability of the whole knife blade is improved.

Description

Rewinding paper knife

Technical Field

The utility model relates to the technical field of rewinding paper cutters, in particular to a rewinding paper cutter.

Background

In the paper product processing process, the rolled paper reeled by the paper-making rewinder is further cut into a piece of paper by a flat paper cutter, or the rolled paper is further longitudinally cut into a plurality of narrow paper reels, for example, the rolled paper is cut into a plurality of paper trays, or the bobbin base paper is cut into a plurality of paper trays, and the like, so that two sets of equipment and personnel of the rewinder and a slitting machine are required.

Among the prior art, chinese patent as publication No. CN208930326U discloses a multipurpose rewinding sword, this patent is through setting the rewinding lower knife into convex, can alleviate frictional force, improve the thermal diffusivity, thereby improve cutter life extension, through setting up first recess and second recess, be convenient for install the rewinding lower knife on power device, through setting up the screw hole, screw hole internal thread is connected with the screw, can fix the rewinding lower knife, prevent to take place not hard up, the rewinding lower knife is made by SKD material, have high wearability and toughness, hardness can reach 61HRC, difficult fracture, increase of service life.

But during the rewinding cutting, there are the following drawbacks:

1. the existing cutters are all integrally installed, the blades cannot be detached independently after installation, and the whole cutters need to be replaced when the blades are replaced, so that waste is caused.

2. The existing cutter can not adjust the cutting interval according to the cutting requirement of the roll paper, so that the overall suitability is low.

Disclosure of Invention

The utility model aims to provide a rewinding paper knife, which is characterized in that a mounting lantern ring and a connecting ring are fixed through screws, so that a blade and the whole knife are detachably connected, the blade is convenient to disassemble and assemble, the blade is convenient to maintain and replace a new blade, the overall practicability is improved, a driving motor drives a driving screw rod to rotate clockwise, so that a left knife and a right knife are driven to move in opposite directions, the driving motor drives the driving screw rod to rotate anticlockwise, the left knife and the right knife are driven to move in opposite directions, the distance between the blades on the left knife and the right knife is adjusted, the distance can be adjusted according to the cutting requirement of a paper roll, the distance of the blade is automatically adjusted according to the requirement, the adaptability of the whole knife is improved, and the problems in the prior art are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the rewinding paper knife comprises a mounting column, wherein a left cutter and a right cutter are respectively arranged at two ends of the mounting column, and the left cutter and the right cutter are symmetrically arranged on the mounting column;

the left cutter comprises a mounting lantern ring, an annular blade and a connecting ring, wherein the annular blade is sleeved and fixed in the middle of the connecting ring, and the connecting ring is sleeved and connected on the mounting lantern ring;

an adjusting device is arranged in the mounting column, and one ends of the left cutter and the right cutter penetrate through the mounting column and are sleeved on the adjusting device.

Preferably, screw holes are formed in the upper end face and the lower end face of the mounting lantern ring and the connecting ring, and the mounting lantern ring and the connecting ring are mounted through screws.

Preferably, the inner end of the mounting collar is provided with a movable ring plate, the mounting collar and the movable ring plate are directly connected by a support plate, the movable ring plate is arranged inside a mounting column, and an inner groove for accommodating the movable ring plate and the adjusting device is formed in the mounting column.

Preferably, the upper end of the mounting column is provided with a sliding groove, the support plate penetrates through the sliding groove to be connected with the movable annular plate, and the movable annular plate is sleeved on the adjusting device.

Preferably, the left cutter and the right cutter have the same structure and are symmetrically arranged.

Preferably, the adjusting device comprises a driving motor and a driving screw rod, wherein the driving motor is fixed on the end face of one side of the mounting column, the output end of the driving motor is connected with the driving screw rod, and the driving screw rod is arranged in the inner groove.

Preferably, the driving screw rod is divided into a middle part and two sides of the middle part are respectively provided with reverse threads, and the movable ring plate is sleeved on the driving screw rod through corresponding nuts.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the rewinding paper knife, the connecting ring is sleeved on the mounting lantern ring, the left knife and the right knife are identical in structure and symmetrically mounted, the mounting column is driven to rotate through external driving during rewinding, so that the left knife and the right knife are driven to rotate, paper rolls are cut by the left annular knife blade and the right annular knife blade, screw holes are formed in the upper end face and the lower end face of the mounting lantern ring and the upper end face of the connecting ring, the mounting lantern ring and the connecting ring are mounted through screws, the mounting lantern ring and the connecting ring are fixed through screws, the knife blades are detachably connected with the whole knife blade, the knife blades are convenient to disassemble and assemble, the knife blades are convenient to maintain and replace new knife blades, and the overall practicability is improved.

2. According to the rewinding paper cutter, the driving motor is fixed on the end face of one side of the mounting column, the output end of the driving motor is connected with the driving screw rod, the driving screw rod is arranged in the inner groove, the driving screw rod is divided into two sides by the middle part, the driving screw rods on the two sides of the middle part are respectively provided with reverse threads, the movable ring plate is sleeved on the driving screw rod through corresponding nuts, the driving motor drives the driving screw rod to rotate clockwise, so that the left cutter and the right cutter are driven to move in opposite directions, the driving motor drives the driving screw rod to rotate anticlockwise, the left cutter and the right cutter are driven to move in opposite directions, the distance between blades on the left cutter and the right cutter is adjusted, the distance can be adjusted according to the cutting requirement of paper rolls, the distance of the driving screw rod is automatically adjusted according to requirements, and the suitability of the whole cutter is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an exploded view of the left cutter structure of the present utility model;

FIG. 3 is an exploded view of the overall structure of the present utility model;

fig. 4 is a schematic view of the adjusting device and the mounting structure of the left and right cutters of the present utility model.

In the figure: 1. a mounting column; 11. an inner tank; 12. a chute; 2. a left cutter; 21. installing a lantern ring; 211. moving the ring plate; 212. a support plate; 22. an annular blade; 23. a connecting ring; 231. a screw hole; 232. a screw; 3. a right cutter; 4. an adjusting device; 41. a driving motor; 42. and driving the screw rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order to solve the problem that the existing cutters are integrally installed, the blades cannot be detached independently after installation, the whole cutters are required to be replaced by replacement blades, waste is caused, and referring to fig. 1-2, the following technical scheme is provided in the embodiment:

the utility model provides a rewinding paper sword, including erection column 1, left cutter 2 and right cutter 3 are installed respectively at the both ends of erection column 1, left cutter 2 and right cutter 3 symmetry are installed on erection column 1, left cutter 2 includes installation lantern ring 21, annular blade 22 and go-between 23, annular blade 22 cover is fixed in the middle of go-between 23 department, go-between 23 cup joints on installation lantern ring 21, left cutter 2 and right cutter 3 structure are the same, and symmetry installation, during the rewinding, drive erection column 1 rotation through external drive, thereby drive left cutter 2 and right cutter 3 rotation, cut the scroll by left and right annular blade 22, screw 231 has all been seted up on the up lower terminal surface of installation lantern ring 21 and go-between 23, install by screw 232 between installation lantern ring 21 and the go-between 23, installation lantern ring 21 and go-between 23 pass through screw 232 are fixed, make blade and whole cutter be detachable connection, the blade maintenance and the blade of being convenient for change, improve whole practicality.

In order to solve the problem that the existing cutter cannot adjust the cutting interval according to the cutting requirement of the roll paper, resulting in low overall suitability, referring to fig. 3-4, the present embodiment provides the following technical scheme:

the adjusting device 4 is installed in the installation column 1, the installation column 1 is penetrated through by one end of the left cutter 2 and one end of the right cutter 3 and sleeved on the adjusting device 4, the moving ring plate 211 is arranged at the inner end of the installation lantern ring 21, the installation lantern ring 21 and the moving ring plate 211 are directly connected by the support plate 212, the moving ring plate 211 is arranged inside the installation column 1, the inner groove 11 for accommodating the moving ring plate 211 and the adjusting device 4 is formed in the installation column 1, the adjusting device 4 comprises a driving motor 41 and a driving screw 42, the driving motor 41 is fixed on the end face of one side of the installation column 1, the output end of the driving motor 41 is connected with the driving screw 42, the driving screw 42 is arranged in the inner groove 11, the driving screw 42 is divided by the middle part, reverse threads are respectively arranged on the driving screw 42 at two sides of the middle part, the moving ring plate 211 is sleeved on the driving screw 42 through corresponding nuts, the driving screw 42 is driven by the driving motor 41 to rotate clockwise, thereby driving the left cutter 2 and the right cutter 3 to move oppositely, the driving screw 42 is driven by the driving motor 41 to rotate anticlockwise, the left cutter 2 and the right cutter 3 are driven to move oppositely, the distance between the blades on the left cutter 2 and the right cutter 3 is adjusted automatically, and the distance between the blades can be adjusted according to the demand.

The spout 12 has been seted up to erection column 1 upper end, and extension board 212 pierces through spout 12 and removes the annular plate 211 to be connected, removes the annular plate 211 and cup joints on adjusting device 4, and when left cutter 2 and right cutter 3 removed, it is spacing to remove by extension board 212 in spout 12, increases the stability of removal.

Working principle: during rewinding, the mounting column 1 is driven to rotate through external driving, so that the left cutter 2 and the right cutter 3 are driven to rotate, the left and right annular blades 22 cut paper rolls, the driving motor 41 drives the driving screw rod 42 to rotate clockwise, so that the left cutter 2 and the right cutter 3 are driven to move in opposite directions, the driving motor 41 drives the driving screw rod 42 to rotate anticlockwise, the left cutter 2 and the right cutter 3 are driven to move in opposite directions, and therefore the distance between the blades on the left cutter 2 and the right cutter 3 is adjusted.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. The utility model provides a rewinding paper sword, includes erection column (1), its characterized in that: the two ends of the mounting column (1) are respectively provided with a left cutter (2) and a right cutter (3), and the left cutter (2) and the right cutter (3) are symmetrically arranged on the mounting column (1); the left cutter (2) comprises a mounting lantern ring (21), an annular blade (22) and a connecting ring (23), wherein the annular blade (22) is sleeved and fixed at the middle of the connecting ring (23), and the connecting ring (23) is sleeved and connected on the mounting lantern ring (21); an adjusting device (4) is arranged in the mounting column (1), and one ends of the left cutter (2) and the right cutter (3) penetrate through the mounting column (1) and are sleeved on the adjusting device (4).

2. A rewinding paper knife as claimed in claim 1, characterized in that: screw holes (231) are formed in the upper end face and the lower end face of the mounting lantern ring (21) and the connecting ring (23), and the mounting lantern ring (21) and the connecting ring (23) are mounted through screws (232).

3. A rewinding paper knife as claimed in claim 1, characterized in that: the inner end of the mounting lantern ring (21) is provided with a movable ring plate (211), the mounting lantern ring (21) is directly connected with the movable ring plate (211) through a support plate (212), the movable ring plate (211) is arranged inside the mounting column (1), and an inner groove (11) for accommodating the movable ring plate (211) and the adjusting device (4) is formed in the mounting column (1).

4. A rewinding paper knife as claimed in claim 3, characterized in that: the upper end of the mounting column (1) is provided with a sliding groove (12), a support plate (212) penetrates through the sliding groove (12) to be connected with a movable annular plate (211), and the movable annular plate (211) is sleeved on the adjusting device (4).

5. A rewinding paper knife as claimed in claim 1, characterized in that: the left cutter (2) and the right cutter (3) have the same structure and are symmetrically arranged.

6. A rewinding paper knife as claimed in claim 3, characterized in that: the adjusting device (4) comprises a driving motor (41) and a driving screw rod (42), wherein the driving motor (41) is fixed on the end face of one side of the mounting column (1), the output end of the driving motor (41) is connected with the driving screw rod (42), and the driving screw rod (42) is arranged in the inner groove (11).

7. The paper rewinding knife as claimed in claim 6, characterized in that: the driving screw rods (42) are divided by the middle part, reverse threads are respectively arranged on the driving screw rods (42) on two sides of the middle part, and the movable ring plate (211) is sleeved on the driving screw rods (42) through corresponding nuts.