CN223395334U

CN223395334U - Slitting knife group

Info

Publication number: CN223395334U
Application number: CN202422716994.9U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Qingdao Naipu Intelligent Packaging Technology Co ltd
Current assignee: Qingdao Naipu Intelligent Packaging Technology Co ltd
Priority date: 2024-11-07
Filing date: 2024-11-07
Publication date: 2025-09-30
Anticipated expiration: 2034-11-07

Abstract

The utility model discloses a slitting blade assembly, comprising a crossbeam, to which a slitting assembly is slidably connected, a conveying roller for conveying cardboard being provided below the crossbeam, the slitting assembly comprising a base, the base being slidably connected to the crossbeam via a transmission mechanism, enabling the base to reciprocate laterally along the crossbeam, a movable blade holder being provided on the base, the blade holder being provided with a vibrating blade for cutting cardboard, the blade holder also being provided with a driving member for actuating the vibrating blade, and a blade comb plate being provided below the slitting assembly for allowing the vibrating blade to avoid. The slitting blade of the utility model utilizes a vibrating blade, which improves cutting stability and precision.

Description

Longitudinal cutter set

Technical Field

The utility model relates to the technical field of carton forming machines, in particular to a longitudinal cutting knife set.

Background

Cartons are the most widely used articles of packaging, often used as wraps for goods or as protective outer layers for articles. The paper box packing machine is also called a paper box forming machine or a paper box unpacking machine, a longitudinal cutting device is an indispensable part, main parts of the longitudinal cutting device on the market at present comprise a base, a cutter rest, a driving structure and a longitudinal cutter, the cutter rest is rotationally connected to the base, the longitudinal cutter is rotationally connected to the base through the driving structure, a stretching structure such as an electric telescopic rod is usually arranged between the cutter rest and the base, the cutter rest is pulled to swing back and forth along the base, so that the longitudinal cutter is driven to move up and down to control the work and the cutting depth of the longitudinal cutter, and the cutter wheel or the strip-shaped cutter is usually adopted by the longitudinal cutter on the market at present, when the cutter blades cut paper boards, burrs can occur or the problem of insufficient cutting precision exists on the paper boards due to the longer length of the cutter blades.

Disclosure of utility model

The utility model aims to solve the defects of the technology.

The utility model designs a slitting knife group which comprises a cross beam, wherein the cross beam is connected with a slitting assembly in a sliding way, a conveying roller for conveying paperboards is arranged below the cross beam, the slitting assembly comprises a base, the base is connected with the cross beam in a sliding way through a transmission mechanism, so that the base can transversely reciprocate along the cross beam, a movable knife rest is arranged on the base, and a slitting knife for cutting the paperboards is arranged on the knife rest.

Preferably, the transmission mechanism comprises a rack fixed on the cross beam and extending along the length direction of the cross beam, a gear meshed with the rack structure is arranged on the base, and a first driving source for driving the gear to rotate is further arranged on the base.

Preferably, the transmission mechanism comprises a conveyor belt fixed on the cross beam and extending along the length direction of the cross beam, a fixed block is arranged on the conveyor belt, a second driving source is arranged on the fixed block, the second driving source is provided with a telescopic end, a positioning block is arranged on the base, a positioning hole for inserting the telescopic end of the second driving source is arranged on the positioning block, after the telescopic end of the second driving source is inserted into the positioning hole, the fixed block and the positioning block form positioning, so that the fixed block can drive the positioning block to move along with the conveyor belt together with the base, and a position sensor for sensing the position of the positioning block is further arranged on the fixed block.

Preferably, the transmission mechanism comprises a screw rod fixed on the cross beam and distributed along the length direction of the cross beam, a nut capable of moving back and forth along the screw rod is arranged on the screw rod, the base is connected with the nut and moves back and forth along the screw rod along with the nut, and a third driving source for driving the screw rod to rotate is arranged on the cross beam.

Further preferably, the base is provided with a sliding structure, the sliding structure comprises a sliding block and a rotating body, the rotating body is rotationally connected to the base, an arc-shaped slideway is arranged on the surface of the rotating body, the sliding block is in sliding fit with the slideway, the sliding block is movably connected with the tool rest through a connecting rod, the tool rest is rotationally connected to the base, and the sliding block slides back and forth to drive the tool rest to swing up and down relative to the base.

Further preferably, the base is provided with a rotating wheel structure, the rotating wheel structure comprises a rotating wheel which is rotationally connected to the base, the surface of the rotating wheel is provided with an eccentric annular groove, one end of the connecting rod is provided with a pin roll which is slidingly connected in the eccentric annular groove, the rotating wheel rotates to drive the pin roll to move along the eccentric annular groove, and the pin roll drives the connecting rod to swing up and down.

Further preferably, the base is provided with a cam structure, the cam structure comprises a cam rotationally connected to the base, the cam surface is provided with an eccentric mounting hole, one end of the connecting rod is provided with a pin shaft which is fixedly connected in the mounting hole, and the cam rotates to drive the connecting rod to move up and down.

Preferably, the slitter is a vibrating knife, a driving part for driving the vibrating knife to act is further arranged on the knife rest, the driving part comprises a shell, a knife bar, a vibrating motor and an eccentric shaft are arranged in the shell, the eccentric shaft is rotationally connected in the shell, the vibrating motor is connected with the eccentric shaft to control the eccentric shaft to rotate, one end of the eccentric shaft is connected with an output shaft of the vibrating motor, the other end of the eccentric shaft is movably connected with the knife bar, the knife bar vibrates up and down through rotation of the eccentric shaft, and the slitter is connected to the lower end of the knife bar and vibrates up and down along with the knife bar.

Preferably, the longitudinal cutter is divided into an active type longitudinal cutter or a passive type longitudinal cutter, the active type longitudinal cutter is driven by a driving structure to automatically rotate, and the passive type longitudinal cutter is movably connected to the cutter rest and is driven to rotate by the movement of the paper board when being pressed down and contacted with the paper board.

Further preferably, the slitter knife is classified as a beveled blade or a disk blade by type.

The utility model has the technical effects that the longitudinal cutter adopts the vibrating cutter, the paperboard is cut by the principle of the vibrating cutter, the cutting precision is improved, and burrs are avoided after cutting;

The tool rest is rotationally connected to the base, the tool rest is connected with the base through the connecting rod, one end of the connecting rod is connected to the tool rest, the other end of the connecting rod is slidingly connected to the base through the sliding structure, the sliding structure comprises a sliding block and a rotating body, the rotating body is rotationally connected to the base, an axially extending arc-shaped slideway is arranged on the periphery of the rotating body, the sliding block is slidingly matched in the slideway, the sliding block is driven to linearly slide through the rotation of the rotating body, the connecting rod is driven by the sliding block to drive the tool rest to swing, the vibrating tool can swing up and down stably, and the cutting stability and the cutting precision of the vibrating tool are further guaranteed.

Drawings

FIG. 1 is a general block diagram of the present utility model;

FIG. 2 is another view of the overall structure of the present utility model;

FIG. 3 is a structural side view of the slitter assembly (with a sliding configuration between the link and the base);

FIG. 4 is a structural side view of the slitting assembly (with a rotating wheel structure between the linkage and the base);

FIG. 5 is a block diagram of a drive mechanism in a belt configuration;

FIG. 6 is a block diagram of a drive mechanism in the form of a lead screw assembly;

fig. 7 is a structural side view of the slitter assembly (with a cam structure between the link and the base).

1, A cross beam, 2, a conveying roller, 3, a base, 4, a knife rest, 5, a vibrating knife, 6, a knife comb plate, 7, a shell, 8, a rack, 9, a gear, 10, a first driving source, 11, a conveying belt, 12, a fixed block, 13, a second driving source, 14, a positioning block, 15, a positioning hole, 16, a position sensor, 17, a lead screw, 18, a nut, 19, a third driving source, 20, a sliding block, 21, a rotating body, 22, a slideway, 23, a fourth driving source, 24, a connecting rod, 25, a pressing sheet, 26, a connecting hole, 27 and a paper board;

28. The rotary wheel, 29, eccentric ring groove, 30, cam, 31, mounting hole.

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 are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.

The utility model comprises a cross beam 1, wherein a slitting assembly is connected onto the cross beam 1 in a sliding way, a conveying roller 2 for conveying paper boards 27 is arranged below the cross beam 1, the slitting assembly comprises a base 3, the base 3 is connected onto the cross beam 1 in a sliding way through a transmission mechanism, so that the base 3 can transversely reciprocate along the cross beam 1, a movable knife rest 4 is arranged on the base 3, a slitting knife 5 for cutting the paper boards 27 is arranged on the knife rest 4, and the slitting knife 5 can be divided into a vibrating knife, an active slitting knife and a passive slitting knife according to different types.

When the longitudinal cutter 5 is a vibrating cutter, the cutter rest 4 is further provided with a driving piece for driving the vibrating cutter to act, the cutter comb plate 6 for the vibrating cutter to avoid is arranged below the longitudinal cutting assembly, the paper board 27 is conveyed to the lower part of the longitudinal cutting assembly through the conveying roller 2, and the vibrating cutter is driven by the driving piece to vibrate up and down to longitudinally cut the paper board 27.

The driving piece includes casing 7, casing 7 is fixed on knife rest 4, be equipped with cutter arbor, vibrating motor and eccentric shaft in the casing 7, the cutter arbor sets up in casing 7 vertically, be equipped with the spring between cutter arbor and the casing 7, the cutter arbor can reciprocate in the casing 7, the eccentric shaft rotates to be connected in casing 7, the eccentric shaft is connected with the eccentric shaft in order to control the eccentric shaft rotation to vibrating motor, the one end and the output shaft of vibrating motor of eccentric shaft, the other end and cutter arbor swing joint for the cutter arbor is through the eccentric shaft rotation and goes on the vibration from top to bottom, the vibrating knife is connected in the lower extreme of cutter arbor and is vibrated from top to bottom along with the cutter arbor.

The transmission mechanism comprises a rack 8 fixed on the cross beam 1 and extending along the length direction of the cross beam 1, a gear 9 meshed with the rack 8 is arranged on the base 3, a first driving source 10 for driving the gear 9 to rotate is further arranged on the base 3, and the first driving source 10 usually adopts a motor to drive the gear 9 to rotate, so that the base 3 can reciprocate along the cross beam 1.

The transmission mechanism can also adopt a transmission belt 11 structure, which comprises a transmission belt 11, such as a belt, fixed on the beam 1 and extending along the length direction of the beam 1, wherein a fixed block 12 is fixed on the transmission belt 11, a second driving source 13 is arranged on the fixed block 12, the second driving source 13 usually adopts a motor, the second driving source 13 is provided with a telescopic end, a positioning block 14 is arranged on the base 3, a positioning hole 15 is arranged on the positioning block 14, the base 3 is transmitted to the upper part of the positioning block 14 through the transmission belt 11, the telescopic end of the second driving source 13 is directly inserted into the positioning hole 15 from top to bottom, a fixation is formed between the fixed block 12 and the positioning block 14, the transmission belt 11 drives the base 3 to move, and a position sensor 16 for sensing the position of the positioning block 14 is further arranged on the fixed block 12, so that the fixed block 12 can move to an accurate position, and the telescopic end is inserted into the positioning hole 15.

The transmission mechanism can also adopt a screw rod 17 pair structure, and comprises screw rods 17 which are fixed on the cross beam 1 and distributed along the length direction of the cross beam 1, wherein nuts 18 which reciprocate along the screw rods 17 are arranged on the screw rods 17, the base 3 is connected with the nuts 18 and reciprocates along the screw rods 17 along the nuts 18, a third driving source 19 which drives the screw rods 17 to rotate is arranged on the cross beam 1, and the third driving source 19 usually adopts a motor to drive the screw rods 17 to rotate positively and negatively, so that the nuts 18 can reciprocate along the screw rods 17. Of course, other transmission structures besides those described above may be employed, not exemplified herein.

In order to enable the base 3 to stably reciprocate relative to the cross beam 1, the base 3 is further provided with sliding blocks, the cross beam 1 is correspondingly provided with guide rails, the guide rails extend and are distributed along the length direction of the cross beam 1, the sliding blocks are slidably matched onto the guide rails, and accordingly the base 3 can stably move along the guide rails, namely, the base 3 can be guided and stabilized by the matching of the sliding blocks and the guide rails.

The base 3 is provided with a sliding structure, the sliding structure comprises a sliding block 20 and a rotating body 21, the sliding block 20 is connected to the base 3 in a sliding manner through a driving mechanism, the driving mechanism comprises a fourth driving source 23, the fourth driving source 23 is usually a motor, the output end of the fourth driving source 23 is connected with the rotating body 21, the rotating body 21 is rotationally connected to the base 3, the rotating body 21 is driven by the fourth driving source 23 to rotate positively and negatively along the base 3, the surface of the rotating body 21 is provided with an arc-shaped slideway 22, the slideway 22 extends axially along the rotating body 21, a sliding seat is slidingly connected in the slideway 22, the sliding seat slides along the slideway 22 along with the sliding of the rotating body, the driving mechanism also comprises a sliding seat and a sliding rail, the sliding rail is arranged on the base 3 and is slidingly connected to the sliding rail, the sliding rail extends longitudinally and is consistent with the cutting direction of the slitter 5, and the sliding seat and the sliding rail are matched with the sliding rail to play a guiding role along the slideway 22, so that the sliding seat can move longitudinally and linearly relative to the rotating body 21.

The bottom of the sliding seat is movably connected with a connecting rod 24, the connecting rod 24 is pulled along with the movement of the sliding seat, and the connecting rod 24 pulls the tool rest 4 to swing, so that the longitudinal cutter 5 swings up and down along with the tool rest 4, and the vertical position of the longitudinal cutter 5 is adjusted to facilitate cutting.

It should be noted that, the fourth driving source 23 drives the rotating body 21 to rotate through a transmission structure such as a gear, and is not directly and axially connected with the rotating body 21, so that the space occupancy rate is large, and the fourth driving source 23 can be fixed on the base 3 in an angle-adjustable manner through the transmission structure, so that the fourth driving source does not need to be coaxially arranged with the rotating body 21, and the space occupancy rate is greatly improved.

The base 3 can be further provided with a rotating wheel structure, the rotating wheel structure comprises a rotating wheel 28 which is rotatably connected to the base 3, an eccentric annular groove 29 is formed in the surface of the rotating wheel 28, the rotating wheel 28 is driven to rotate through a driving piece on the base 3, a pin shaft is arranged at one end of the connecting rod 24 and is inserted into the eccentric annular groove 29 and can move along the eccentric annular groove 29, when the rotating wheel 28 rotates, the eccentric annular groove 29 rotates along with the pin shaft to drive the pin shaft to move along the eccentric annular groove 29, so that the pin shaft moves up and down, the connecting rod 24 is driven to swing up and down by the pin shaft, the connecting rod 24 pulls the tool rest 4 to swing up and down, so that the longitudinal cutter 5 swings up and down along with the tool rest 4, and the vertical cutter 5 is adjusted to be convenient to cut.

The base 3 can be further provided with a cam structure, the cam structure comprises a cam 30 rotationally connected to the base 3, the cam 30 is driven to rotate through a driving piece on the base 3, an eccentric mounting hole 31 is formed in the surface of the cam 30, a pin shaft is arranged at one end of the connecting rod 24 and fixedly connected in the mounting hole 31, the driving piece drives the cam 30 to rotate, the cam 30 drives the pin shaft to move up and down, the pin shaft drives the connecting rod 24 to move up and down, the connecting rod 24 further pulls the tool rest 4 to swing, the longitudinal cutter 5 swings up and down along with the tool rest 4, and the vertical cutter 5 is adjusted to be convenient to cut.

Of course, besides the above three structures, the output end of the motor may be directly movably connected with one end of the connecting rod 24, and the motor moves back and forth to drive the connecting rod 24 to move back and forth, so as to enable the connecting rod 24 to pull the tool rest 4 to swing up and down, or a screw rod pair structure may be adopted, wherein the screw rod is arranged along the front and back direction, one end of the connecting rod 24 is slidably connected on the screw rod through a nut block, so as to enable the connecting rod 24 to move back and forth, and further drive the tool rest 4 to swing up and down.

The vibration knife can be classified into a bevel blade or a disk blade according to the type, the bevel blade is shown in the drawing and is directly fixed at the lower end of the knife bar, the bevel blade is driven to cut the paper board 27 up and down along with the up and down vibration of the knife bar, the disk blade is a knife disc, the knife edge of the disk blade is circular, and the knife edge can be knife teeth.

When the longitudinal cutter 5 is driven by a driving device such as a motor to rotate, the active longitudinal cutter 5 is obtained;

When the longitudinal cutter 5 is connected to the cutter rest 4 through a pin shaft, no additional driving device drives the longitudinal cutter to rotate, and the longitudinal cutter is only conveyed by the paper board 27 to drive the longitudinal cutter to rotate, or the longitudinal cutter 5 is a polygonal bundling cutter and is directly pressed down to the paper board 27 to cut, namely the passive cutter 5. The longitudinal cutter 5 can be a circular cutter, a polygonal bundling cutter and the like, and can be specifically selected and used according to actual production requirements.

The base 3 is located and indulges cutter 5 below and is equipped with the preforming 25 that is used for flat pressing cardboard 27, preforming 25 level is to setting, preforming 25 is fixed in knife rest 4 bottom through the fastener, preforming 25 is located and is equipped with the slot of dodging in indulging cutter 5 department, avoid interfering indulging cutter 5 and rotate, the bottom of knife rest 4 is equipped with waist shape through-hole, preforming 25 is fixed in waist shape through-hole through the fastener to realize preforming 25 for the height-adjustable of knife rest 4, preforming 25 level sets up, pushes down cardboard 27 simultaneously when indulging, the front end of preforming 25 upwards bends the processing, make guide cardboard 27 advance paper.

The base 3 is provided with connecting holes 26 at the rotating point of the tool rest 4, the number of the slitting components is two or more, the connecting holes 26 of the bases 3 are connected in series through a guide shaft, and the bases 3 can reciprocate along the guide shaft when reciprocating along the cross beam 1.

A knife comb plate 6 is arranged below the longitudinal knife 5, and an avoidance groove is formed in the knife comb plate 6 and used for allowing the longitudinal knife 5 to be inserted so as to avoid the longitudinal knife 5, so that the longitudinal knife 5 can completely penetrate through the paperboard 27.

The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model can make any changes in shape or structure, and all the technical solutions that are the same or similar to the present utility model fall within the scope of the present utility model.

Claims

1. The utility model provides a indulge cutter group, its characterized in that, including crossbeam (1), crossbeam (1) sliding connection has the slitting subassembly, crossbeam (1) below is equipped with transfer roller (2) that are used for conveying cardboard (27), the slitting subassembly includes base (3), base (3) are through drive mechanism sliding connection in crossbeam (1) for base (3) can be along crossbeam (1) horizontal reciprocating motion, be equipped with mobilizable knife rest (4) on base (3), be equipped with on knife rest (4) and be used for cutting slitter (5) of cardboard (27).

2. The slitting knife set according to claim 1, wherein the transmission mechanism comprises a rack (8) fixed on the cross beam (1) and extending along the length direction of the cross beam (1), a gear (9) meshed with the rack (8) is arranged on the base (3), and a first driving source (10) for driving the gear (9) to rotate is further arranged on the base (3).

3. The slitter knife set according to claim 1, wherein the transmission mechanism comprises a conveyor belt (11) fixed on the cross beam (1) and extending along the length direction of the cross beam (1), a fixed block (12) is arranged on the conveyor belt (11), a second driving source (13) is arranged on the fixed block (12), the second driving source (13) is provided with a telescopic end, the base (3) is provided with a positioning block (14), the positioning block (14) is provided with a positioning hole (15) for inserting the telescopic end of the second driving source (13), after the telescopic end of the second driving source (13) is inserted into the positioning hole (15), the fixed block (12) and the positioning block (14) form positioning, so that the fixed block (12) can drive the positioning block (14) together with the base (3) to move along with the conveyor belt (11), and the fixed block (12) is further provided with a position sensor (16) for sensing the position of the positioning block (14).

4. The slitter knife set according to claim 1, wherein the transmission mechanism comprises screw rods (17) fixed on the cross beam (1) and distributed along the length direction of the cross beam (1), nuts (18) which reciprocate along the screw rods (17) are arranged on the screw rods (17), the base (3) is connected with the nuts (18) and reciprocates along the screw rods (17) along with the nuts (18), and a third driving source (19) which drives the screw rods (17) to rotate is arranged on the cross beam (1).

5. The slitter knife set according to claim 1, wherein the base (3) is provided with a sliding structure, the sliding structure comprises a sliding block (20) and a rotating body (21), the rotating body (21) is rotationally connected to the base (3), an arc-shaped slideway (22) is arranged on the surface of the rotating body (21), the sliding block (20) is slidingly matched in the slideway (22), the sliding block (20) is movably connected with the knife rest (4) through a connecting rod (24), the knife rest (4) is rotationally connected to the base (3), and the sliding block (20) slides reciprocally to drive the knife rest (4) to swing up and down relative to the base (3).

6. The slitter knife set according to claim 5, wherein the base (3) is provided with a rotating wheel structure, the rotating wheel structure comprises a rotating wheel (28) rotatably connected to the base (3), an eccentric annular groove (29) is formed in the surface of the rotating wheel (28), a pin shaft is arranged at one end of the connecting rod (24) and is slidably connected in the eccentric annular groove (29), the rotating wheel (28) rotates to drive the pin shaft to move along the eccentric annular groove (29), and the pin shaft drives the connecting rod (24) to swing up and down.

7. The slitter knife set according to claim 6, wherein the base (3) is provided with a cam structure, the cam structure comprises a cam (30) rotatably connected to the base (3), the surface of the cam (30) is provided with an eccentric mounting hole (31), one end of the connecting rod (24) is provided with a pin shaft fixedly connected in the mounting hole (31), and the cam (30) rotates to drive the connecting rod (24) to move up and down.

8. The slitter knife set according to any one of claims 5-7, wherein the slitter knife (5) is a vibrating knife, a driving piece for driving the vibrating knife to act is further arranged on the knife rest (4), the driving piece comprises a shell (7), a knife bar, a vibrating motor and an eccentric shaft are arranged in the shell (7), the eccentric shaft is rotationally connected in the shell (7), the vibrating motor is connected with the eccentric shaft to control the eccentric shaft to rotate, one end of the eccentric shaft is connected with an output shaft of the vibrating motor, the other end of the eccentric shaft is movably connected with the knife bar, the knife bar vibrates up and down through the rotation of the eccentric shaft, and the slitter knife (5) is connected to the lower end of the knife bar and vibrates up and down along with the knife bar.

9. The slitter knife set according to any one of claims 5-7, wherein the slitter knife (5) is divided into an active slitter knife or a passive slitter knife, the active slitter knife (5) is driven by a driving structure to automatically rotate, and the passive slitter knife (5) is movably connected to the knife rest (4) and is driven to rotate by the movement of the paperboard (27) when being pressed down and contacted to the paperboard (27).

10. The slitting knife set according to claim 8, wherein the slitting knife (5) is classifiable as a bevel blade or a disk blade by type.