CN110549391B

CN110549391B - Paper tube cutting device

Info

Publication number: CN110549391B
Application number: CN201910844723.2A
Authority: CN
Inventors: 赵长春
Original assignee: Pinghu Dahong Paper Tube Co ltd
Current assignee: PINGHU DAHONG PAPER TUBE Co.,Ltd.
Priority date: 2019-09-07
Filing date: 2019-09-07
Publication date: 2021-08-06
Anticipated expiration: 2039-09-07
Also published as: CN110549391A

Abstract

The invention relates to the technical field of paper tube cutting equipment, in particular to a paper tube cutting device; it includes: a frame; the conveying mechanism comprises a first driving roller, a second driving roller and a conveying belt; the position of the jacking mechanism corresponding to the conveying mechanism is a cutting station; the cutting mechanism is positioned behind the conveying mechanism along the conveying direction of the conveying mechanism; the linkage mechanism comprises a ratchet wheel and a linkage assembly, the ratchet wheel is arranged on one side of the second transmission roller, and when the first cylinder drives the linkage assembly to retreat, the linkage assembly drives the ratchet wheel to rotate; according to the automatic continuous cutting machine, the workpiece is tightly pushed through the pushing mechanism and the paper tube is driven to rotate, the cutter cuts the paper tube while the first air cylinder pushes the cutting assembly to move forwards, the conveying belt is driven to move forwards while the first air cylinder pushes the cutting assembly to move backwards, and the next workpiece is conveyed to the cutting station, so that automatic continuous cutting is realized, and the labor force is reduced.

Description

Paper tube cutting device

Technical Field

The invention relates to the technical field of paper tube cutting equipment, in particular to a paper tube cutting device.

Background

At present, some rolled products such as paper rolls, film rolls or film rolls are required to be wound on a reel due to the soft and easily torn property of the products in the unfolded state, so as to improve the overall rigidity of the products for ensuring normal transportation and storage.

The material of the winding drum is mainly paper drum, and the main reason is that the paper drum has good mechanical strength, is easy to process and is more environment-friendly, so the paper drum is widely used in winding products such as paper roll, film roll or film roll.

In the field of actual processing and production of paper tubes, a paper tube raw material with a long length is usually produced in advance, and then the paper tube raw material is cut by a cutting process according to the expected length requirement to obtain a plurality of paper tube finished products meeting the expected requirement.

The existing cutting is manual handheld feeding and discharging, the requirement on manual labor force is high, and the cutting efficiency of the paper tube can be influenced under long-time operation.

Disclosure of Invention

In order to solve the problems, the invention provides a paper tube cutting device which tightly pushes a workpiece through a pushing mechanism and drives a paper tube to rotate, a cutter cuts the paper tube when a first air cylinder pushes a cutting assembly to move forwards, and a conveyer belt is driven to move forwards to convey the next workpiece to a cutting station when the first air cylinder pushes the cutting assembly to move backwards.

In order to achieve the purpose, the invention provides the following technical scheme:

a paper tube cutting apparatus, comprising:

a frame;

the conveying mechanism is arranged on the rack and conveys workpieces along the length direction of the rack, the conveying mechanism comprises a first driving roller, a second driving roller and a conveying belt, the first driving roller and the second driving roller are rotatably arranged on the rack, and the conveying belt is sleeved outside the first driving roller and the second driving roller;

the two jacking mechanisms are symmetrically arranged on two sides of the conveying mechanism, can jack two ends of the workpiece tightly and drive the workpiece to rotate, and the positions of the jacking mechanisms corresponding to the conveying mechanism are cutting stations;

the cutting mechanism is positioned behind the conveying mechanism along the conveying direction of the conveying mechanism and comprises a first base, a cutting assembly and a first air cylinder, and the cutting assembly is arranged on the first base in a sliding mode along the length direction of the first base; the first air cylinder is arranged on the first base and drives the cutting assembly to slide; and

the linkage mechanism comprises a ratchet wheel and a linkage assembly, the ratchet wheel is arranged on one side of the second transmission roller, the second transmission roller follows the ratchet wheel to rotate synchronously, the linkage assembly is arranged on one side of the cutting assembly and driven by the first air cylinder, and when the first air cylinder drives the linkage assembly to retreat, the linkage assembly drives the ratchet wheel to rotate.

As an improvement, the conveying belt adopts a plate chain type.

As an improvement, the conveying belt is uniformly provided with bearing seats for bearing the workpieces.

As an improvement, the jacking mechanism comprises:

the second base is provided with a sliding rail;

the third base is arranged on the second base in a sliding mode along the length direction of the second base;

the jacking piece is arranged at the top of the third base, jacks the workpiece and is driven to rotate by external equipment; and

the second cylinder is arranged on the second base and drives the third base to slide along the length direction of the second base.

As an improvement, the bottom of the third base is provided with a first sliding chute matched with the sliding rail, and the shape of the first sliding chute is matched with that of the sliding rail.

As a refinement, the tip of the top piece is conical.

As an improvement, the first base is provided with two fixed plates, and the fixed plates are provided with second sliding grooves along the length direction of the fixed plates.

As an improvement, the cutting assembly comprises:

the fixed shaft is arranged in the second sliding groove in a sliding mode along the length direction of the second sliding groove and is driven by the first cylinder; and

the cutter is arranged on the fixed shaft and points to the cutting station.

As an improvement, the linkage assembly comprises:

one end of the connecting rod is arranged at one end of the fixed shaft and slides synchronously along with the fixed shaft;

the shifting block is rotatably arranged at the other end of the connecting rod, and one end of the shifting block is matched with the ratchet wheel;

the stop block is arranged at the bottom of the connecting rod and positioned at the lower front part of the shifting block, and the stop block and the bottom of the shifting block can be arranged in a butting manner and can limit the shifting block to rotate; and

and the spring is connected with the connecting rod and the shifting block.

The invention has the beneficial effects that:

(1) according to the automatic continuous cutting machine, the workpiece is tightly pushed through the pushing mechanism and the paper tube is driven to rotate, the cutter cuts the paper tube while the first air cylinder pushes the cutting assembly to move forwards, the conveying belt is driven to move forwards while the first air cylinder pushes the cutting assembly to move backwards, and the next workpiece is conveyed to the cutting station, so that automatic continuous cutting is realized, and the labor force is reduced;

(2) according to the invention, the linkage assembly is driven by the first cylinder to move and simultaneously drive the ratchet wheel to rotate, so that the conveying mechanism is driven to convey workpieces, the driving equipment of the conveying mechanism is reduced, and the equipment cost is reduced;

(3) according to the invention, the position of the cutter is adjusted in advance according to the required paper tube length, so that the cut paper tube length is fixed, and the situation that each paper tube raw material needs to be fixed like a traditional handheld paper tube is not needed, so that the manual labor force is greatly reduced, and the operation difficulty is reduced;

in conclusion, the invention has the advantages of simple structure, greatly reduced equipment cost, reduced labor force and the like.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of the overall structure of the present invention;

FIG. 3 is a partial side view of the present invention;

FIG. 4 is a schematic view of the conveying mechanism of the present invention;

FIG. 5 is a schematic structural view of a tightening mechanism according to the present invention;

FIG. 6 is a schematic view of a cutting assembly according to the present invention;

FIG. 7 is a schematic view of a linkage assembly according to the present invention;

FIG. 8 is a schematic view of the ratchet and linkage assembly of the present invention;

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example (b):

as shown in fig. 1, 2, 3 and 4, a paper tube cutting apparatus includes:

a frame 1;

the conveying mechanism 2 is arranged on the rack 1, and conveys the workpiece 10 along the length direction of the rack 1, the conveying mechanism 2 comprises a first driving roller 21, a second driving roller 22 and a conveyor belt 23, the first driving roller 21 and the second driving roller 22 are rotatably arranged on the rack 1, and the conveyor belt 23 is sleeved outside the first driving roller 21 and the second driving roller 22;

the two tightening mechanisms 3 are symmetrically arranged on two sides of the conveying mechanism 2, can tighten two ends of the workpiece 10 and drive the workpiece 10 to rotate, and the position, corresponding to the conveying mechanism 2, of each tightening mechanism 3 is a cutting station;

the cutting mechanism 4 is positioned behind the conveying mechanism 2 along the conveying direction of the conveying mechanism 2, and comprises a first base 41, a cutting assembly 42 and a first air cylinder 43, wherein the cutting assembly 42 is arranged on the first base 41 in a sliding manner along the length direction of the first base 41; the first cylinder 43 is disposed on the first base 41, and drives the cutting assembly 42 to slide; and

linkage 5, linkage 5 includes ratchet 51 and linkage subassembly 52, ratchet 51 set up in one side of second driving roller 22, second driving roller 22 follows ratchet 51 synchronous revolution, linkage subassembly 52 set up in one side of cutting subassembly 42, and it by first cylinder 43 drives, works as first cylinder 43 drives when linkage subassembly 52 retreats, linkage subassembly 52 drives ratchet 51 rotates.

It should be noted that the conveyor belt 23 adopts a plate chain type, and the conveyor belt 23 is uniformly provided with bearing seats 231 for bearing the workpieces 10; after the cutting is completed, the cut paper tube falls into the bearing seat 231 again, and falls into a collecting frame or a conveying belt of a next process from a gap between the conveying mechanism and the cutting mechanism after being conveyed by the conveying mechanism.

Further, as shown in fig. 5, the tightening mechanism 3 includes:

the second base 31, a slide rail 311 is arranged on the second base 31;

a third base 32, wherein the third base 32 is slidably disposed on the second base 31 along the length direction of the second base 31;

the top clamping member 33 is arranged on the top of the third base 32, tightly clamps the workpiece 10 and is driven to rotate by an external device; and

and the second air cylinder 34 is arranged on the second base 31, and the second air cylinder 34 drives the third base 32 to slide along the length direction of the second base 31.

It should be noted that, the axle center of top tight piece is a little higher than the axle center of fiber container on bearing the seat, when top tight piece with the fiber container top, can make the fiber container break away from and bear the seat, makes things convenient for top tight piece to drive the fiber container rotatory.

The bottom of the third base 32 is provided with a first sliding chute 321 which is matched with the sliding rail 311, and the shape of the first sliding chute is matched with the shape of the sliding rail 311; the tip of the tightening member 33 is conical.

Further, two fixing plates 411 are disposed on the first base 41, and a second sliding groove 4111 is disposed on the fixing plates 411 along a length direction thereof.

Further, as shown in fig. 6, the cutting assembly 42 includes:

the fixed shaft 421 is slidably disposed in the second chute 4111 along the length direction of the second chute 4111, and is driven by the first cylinder 43; and

the cutter 422 is arranged on the fixed shaft 421 and points to the cutting station.

It should be noted that the position of the cutter is adjusted according to the required paper tube length in advance, so that the cut paper tube length is fixed, and the position of each paper tube raw material is not required to be fixed like a traditional handheld paper tube, so that the manual labor force is greatly reduced, and the operation difficulty is reduced.

Further, as shown in fig. 7 and 8, the linkage assembly 52 includes:

a link 521, one end of the link 521 is disposed at one end of the fixed shaft 421, and it slides synchronously with the fixed shaft 421;

the shifting block 522 is rotatably arranged at the other end of the connecting rod 521, and one end of the shifting block 522 is matched with the ratchet 51;

a stopper 523, the stopper 523 being disposed at the bottom of the connecting rod 521 and located at the front lower portion of the dial 522, the stopper 523 being disposed to abut against the bottom of the dial 522 and restricting the rotation of the dial 522; and

and the spring 524 is used for connecting the connecting rod 521 with the shifting block 522.

It should be noted that the spring applies elastic force to the shifting block to enable the shifting block to be fixed in a normal state and to be abutted against the stop block, when the connecting rod is driven by the first cylinder to advance, the shifting block is abutted against the surface of the ratchet wheel when passing through the ratchet wheel, the shifting block rotates around the end part of the connecting rod to pass through the ratchet wheel, when the connecting rod is driven by the first cylinder to retreat, the shifting block is matched with the ratchet wheel to drive the ratchet wheel to rotate, and meanwhile, the conveying belt is driven to act to convey the next bearing seat to the cutting station; meanwhile, the length of the stroke of the shifting block driving the ratchet wheel to rotate is the distance between the two bearing seats.

The working process is as follows:

when one bearing seat 231 is positioned at a cutting station, the second air cylinder 34 drives the third base 32 to slide inwards, meanwhile, the two jacking pieces 33 jack two ends of the paper tube tightly, meanwhile, the two jacking pieces 33 are driven by external equipment to rotate, the first air cylinder 43 drives the cutter 422 to move forwards, the cutter 422 enters the cutting station, the position of the cutter 422 is adjusted according to the required length of the paper tube in advance, when the paper tube is cut and falls on the original bearing seat 231, the second air cylinder 34 drives the third base 32 to slide outwards, the first air cylinder 43 drives the cutter 422 to move backwards, meanwhile, the shifting block 522 is matched with the ratchet 51 to drive the ratchet 51 to rotate, the previous bearing seat 231 conveys the cut paper tube into the collection frame, when the shifting block 522 is disengaged from the ratchet 51, the next bearing seat 231 just enters the cutting station, sequential circulation is realized, and automatic continuous cutting is realized, the labor force is reduced.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A paper tube cutting apparatus, comprising:

a frame (1);

the conveying mechanism (2) is arranged on the rack (1) and conveys the workpiece (10) along the length direction of the rack (1), the conveying mechanism (2) comprises a first driving roller (21), a second driving roller (22) and a conveying belt (23), the first driving roller (21) and the second driving roller (22) are rotatably arranged on the rack (1), and the conveying belt (23) is sleeved outside the first driving roller (21) and the second driving roller (22);

the two tightly-pushing mechanisms (3) are symmetrically arranged on two sides of the conveying mechanism (2), can push against two ends of the workpiece (10) and drive the workpiece (10) to rotate, and the position, corresponding to the conveying mechanism (2), of each tightly-pushing mechanism (3) is a cutting station;

the cutting mechanism (4) is positioned behind the conveying mechanism (2) along the conveying direction of the conveying mechanism (2), and comprises a first base (41), a cutting assembly (42) and a first air cylinder (43), wherein the cutting assembly (42) is arranged on the first base (41) in a sliding manner along the length direction of the first base (41); the first air cylinder (43) is arranged on the first base (41) and drives the cutting assembly (42) to slide; and

the linkage mechanism (5) comprises a ratchet wheel (51) and a linkage assembly (52), the ratchet wheel (51) is arranged on one side of the second transmission roller (22), the second transmission roller (22) synchronously rotates along with the ratchet wheel (51), the linkage assembly (52) is arranged on one side of the cutting assembly (42) and is driven by the first air cylinder (43), and when the linkage assembly (52) is driven by the first air cylinder (43) to retreat, the linkage assembly (52) drives the ratchet wheel (51) to rotate;

the conveying belt (23) adopts a plate chain type;

the conveyor belt (23) is uniformly provided with bearing seats (231) for bearing the workpieces (10);

the tightening mechanism (3) comprises:

the second base (31), the second base (31) is provided with a slide rail (311);

the third base (32) is arranged on the second base (31) in a sliding mode along the length direction of the second base (31);

the top clamping piece (33) is arranged on the top of the third base (32), tightly clamps the workpiece (10) and is driven to rotate by external equipment; and

the second air cylinder (34) is arranged on the second base (31), and the second air cylinder (34) drives the third base (32) to slide along the length direction of the second base (31);

the bottom of the third base (32) is provided with a first sliding chute (321) which is matched with the sliding rail (311), and the shape of the first sliding chute is matched with that of the sliding rail (311);

the end of the jacking piece (33) is conical;

the first base (41) is provided with two fixed plates (411), and a second sliding groove (4111) is formed in each fixed plate (411) along the length direction of the fixed plate;

the cutting assembly (42) includes:

the fixed shaft (421) is arranged in the second sliding groove (4111) in a sliding manner along the length direction of the second sliding groove (4111), and is driven by the first cylinder (43); and

the cutter (422), the said cutter (422) is set up on the said fixed axis (421), and it points to the said cutting station;

the linkage assembly (52) includes:

one end of the connecting rod (521) is arranged at one end of the fixed shaft (421), and the connecting rod (521) slides synchronously along with the fixed shaft (421);

the shifting block (522) is rotatably arranged at the other end of the connecting rod (521), and one end of the shifting block (522) is matched with the ratchet wheel (51);

the stop block (523) is arranged at the bottom of the connecting rod (521) and positioned at the front lower part of the shifting block (522), and the stop block (523) can be abutted against the bottom of the shifting block (522) and limits the rotation of the shifting block (522); and

a spring (524), the spring (524) connecting the link (521) and the dial (522).