CN111376323A

CN111376323A - High-speed soft material cutting machine head and cutting device

Info

Publication number: CN111376323A
Application number: CN202010356760.1A
Authority: CN
Inventors: 沈笠
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-07-07

Abstract

The invention relates to a high-speed cutting machine head for soft materials, wherein a support is vertically arranged on a base, a lifting seat is arranged on a vertical guide rod on the support, an eccentric lifting assembly is arranged on the lifting seat, the lower end of the support is connected with a rotary cutter head assembly, the upper end of a cutter is connected with the eccentric lifting assembly, the lower end of the cutter penetrates through the rotary cutter head assembly, second driving equipment which is connected with two sides of the lifting seat and used for driving the lifting seat to lift is arranged on the support, and a balancing assembly which provides an inertial force opposite to the movement direction of the cutter is arranged on the lifting seat. According to the high-speed soft material cutting machine head and the cutting device, the two eccentric vibrator wheels provide downward centrifugal force when the cutter ascends; when the cutting knife descends, the two eccentric vibrator wheels provide upward centrifugal force, so that the inertia force generated when the cutting knife ascends or descends is eliminated, the rotating speed of the eccentric rotating wheel can be greatly improved, and the cutting efficiency is greatly improved.

Description

High-speed soft material cutting machine head and cutting device

Technical Field

The invention relates to the field of cutting equipment, in particular to a high-speed cutting machine head and a cutting device for soft materials.

Background

The automatic cutting machine is used for cutting and cutting sheets in various industries and does not need any die; the cutting machine is controlled by system software, then a product is directly cut, and as long as corresponding parameters are set on the operating platform, a computer transmits corresponding instructions to the cutting machine. The cutting machine carries out rapid cutting according to the received design draft, and the automatic program is high; the operation is simple. Is cutting equipment adopted in many industries at present.

In the cutting process of the existing cutting machine, a cutter is driven by an eccentric wheel to lift and finish cutting. However, the cutter can generate a large inertia force in the vertical direction in the lifting process, the machine head can generate vibration in the vertical direction due to the inertia force in the upward or downward vertical direction, and the machine head can resonate after the lifting speed of the cutter is increased, so that the existing cutting machine cannot cut at a high speed, and the cutting efficiency is limited.

Disclosure of Invention

In order to solve the problem of low cutting efficiency of the existing cutting equipment, the invention adopts the technical scheme that: a soft material high speed cutting head comprising: base, support, lift seat, eccentric lifting unit, rotatory cutter head assembly and cut-off knife, the support vertical set up in on the base, the lift seat set up in on the vertical guide arm on the support, eccentric lifting unit set up in on the lift seat, just the support lower extreme is connected rotatory cutter head assembly, the cut-off knife upper end is connected eccentric lifting unit, the cut-off knife lower extreme passes rotatory cutter head assembly, be equipped with on the base and be used for the drive the first drive arrangement of eccentric lifting unit work, be equipped with the connection on the support the lift seat both sides are used for the drive the second drive arrangement that the lift seat goes up and down, just be equipped with on the lift seat provide with the balance assembly of the opposite inertia force of cut-off knife direction of motion.

In a further refinement, the eccentric lifting assembly comprises: eccentric runner, sleeve and piston spare, eccentric runner set up in on the seat goes up and down, the sleeve set up in eccentric runner below, piston spare upper end is connected through the pivot eccentric runner, piston spare lower extreme set up in freely go up and down in the sleeve, just piston spare lower extreme is connected the cut-off knife, a drive arrangement is used for the drive eccentric runner rotates.

The lifting seat is characterized in that an upper guide wheel, a rotating wheel and a lower guide wheel are sequentially arranged on the back surface of the lifting seat from top to bottom, the rotating wheel is connected with the eccentric rotating wheel, a driven wheel is arranged above the upper guide wheel on the support, a driving wheel is arranged below the lower guide wheel on the support, the driving wheel is connected with the first driving device, and a driving belt is wound around the driving wheel to the driven wheel and sequentially passes through the upper guide wheel, the rotating wheel and the lower guide wheel to return to the driving wheel.

In a further refinement, the balancing assembly includes: two eccentric oscillator wheels, two eccentric oscillator wheels set up respectively in eccentric runner both sides, eccentric lifting unit openly is equipped with the panel, the panel is equipped with and connects respectively the wheel of eccentric runner, two eccentric oscillator wheels, just the panel is equipped with well runner, and is three the wheel with well runner passes through the hold-in range and connects, two eccentric oscillator wheel rotation opposite direction.

In a further refinement, the rotary cutter head assembly includes: fixing base, carousel, blade disc, third drive equipment and fourth drive equipment, the fixing base set up in the support lower extreme, the carousel rotate set up in on the fixing base, the carousel below is connected with the blade disc, be equipped with on the fixing base and connect the blade disc is used for the drive the third drive equipment that the blade disc goes up and down, be equipped with on the base and be used for the drive carousel pivoted fourth drive equipment.

The improved structure is characterized in that one side of the fixed seat is provided with a knife sharpening component.

The knife sharpening assembly comprises a fifth driving device and a knife sharpening piece, the fifth driving device is arranged on the fixed seat, and the fifth driving device drives the knife sharpening piece to rotate.

In addition, the invention also provides a soft material cutting device which comprises the soft material high-speed cutting machine head, wherein the soft material high-speed cutting machine head is arranged on a machine body through an XY moving assembly.

The invention has the beneficial effects that:

according to the high-speed soft material cutting machine head and the cutting device, the two eccentric vibrator wheels provide downward centrifugal force when the cutter ascends; when the cutting knife descends, the two eccentric vibrator wheels provide upward centrifugal force, so that the inertia force generated when the cutting knife ascends or descends is eliminated, the rotating speed of the eccentric rotating wheel can be greatly improved, and the cutting efficiency is greatly improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of a high-speed cutting head for soft materials according to the present invention;

FIG. 2 is a schematic view of a high-speed cutting head for soft materials according to the present invention;

FIG. 3 is a schematic structural view of the soft material high speed cutting head of the present invention after the lifting seat is hidden;

FIG. 4 is a schematic view of the soft material high speed cutting machine head lifting seat and eccentric lifting assembly of the present invention;

FIG. 5 is a schematic view of the back of the lift seat of the present invention;

FIG. 6 is a schematic view of the rotary cutter head assembly of the present invention;

fig. 7 is a schematic structural view of the balancing assembly of the present invention.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

In the description of the 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 merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the 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 invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

As shown in fig. 1 to 3, the present invention provides a high-speed soft material cutting machine head, including: the cutting tool comprises a base 1, a support 2, a lifting seat 3, an eccentric lifting assembly 4, a rotary cutter head assembly 5 and a cutter 6, wherein the support 2 is vertically and fixedly installed at one end of the base 1, vertical guide rods 7 are installed at the left side and the right side of the support 2, two sides of the lifting seat 3 are installed on the guide rods 7 and can freely lift along the guide rods 7, the eccentric lifting assembly 4 is installed on the lifting seat 3, the lifting seat 3 is driven by second driving equipment 9 and is used for driving the eccentric lifting assembly 4 to wholly lift so as to realize the lifting of the cutter 6, the eccentric lifting assembly 4 is used for driving the cutter 6 to reciprocate along the vertical direction to complete cutting when cutting, the lower end of the support 2 is connected with the rotary cutter head assembly 5, and the rotary cutter head assembly 5 is used for driving the cutter 6 to turn so as to realize the change of the cutting track of the

cutter

6, 6 upper ends of cut-off knife are connected eccentric elevating assembly 4, eccentric elevating assembly 4 is used for when cutting, drives cut-off knife 6 along the reciprocal lift of vertical direction in order to accomplish and cut, 6 lower extremes of cut-off knife pass rotatory cutter head subassembly 5, be equipped with on the base 1 and be used for the drive the first drive arrangement 8 of 4 work of eccentric elevating assembly, be equipped with the connection on the support 23 both sides of lift seat are used for the drive the second drive arrangement 9 that lift seat 3 goes up and down, just be equipped with on the lift seat 3 provide with the balance assembly 12 of 6 opposite inertia forces of motion direction of cut-off knife. Wherein the first driving device 8 may employ a motor and the second driving device 9 may employ a cylinder.

As shown in fig. 4, in a further improvement, the eccentric lifting assembly 4 includes: eccentric runner 41, sleeve 42 and piston piece 43, install eccentric runner 41 free rotation ground on the seat 3 that goes up and down, sleeve 42 set up in eccentric runner 41 below, piston piece 43 upper end is connected through the pivot eccentric runner 41, piston piece 43 lower extreme set up in freely go up and down along with the rotation of eccentric runner 41 in the sleeve 42, just piston piece 43 lower extreme is connected cut-off knife 6, a drive device 8 is used for the drive eccentric runner 41 rotates, and along with the rotation of eccentric runner 41, piston piece 43 goes up and down, and then drives cut-off knife 6 and goes up and down repeatedly in order to accomplish and cut.

As shown in fig. 5, a further improvement is that an upper guide wheel 31, a rotating wheel 32, and a lower guide wheel 33 are sequentially disposed on the back surface of the lifting seat 3 from top to bottom, the rotating wheel 32 is connected to the eccentric rotating wheel 41, the rotating wheel 32 actively and directly drives the eccentric rotating wheel 41 to rotate, a driven wheel 21 is disposed on the bracket 2 above the upper guide wheel 31, a driving wheel 22 is disposed below the lower guide wheel 33 of the bracket 2, the driving wheel 22 is connected to the first driving device 8, and after the driving belt 23 on one side is wound around the driven wheel 21 from the driving wheel 22, the other side sequentially passes through the upper guide wheel 31, the rotating wheel 32, and the lower guide wheel 33 and returns. The first driving device 8 drives the driving wheel 22 to rotate, and then drives the transmission belt 23 to rotate, so that the driving rotation of the eccentric rotating wheel 41 is realized. Meanwhile, the lifting of the lifting seat 3 is not influenced.

As shown in fig. 7, in a further improvement, the balancing assembly 12 includes: two eccentric oscillator wheels 121, two eccentric oscillator wheels 121 rotate respectively install in eccentric runner 41 both sides (installed the left and right sides in eccentric runner 41 below in this embodiment), the positive panel 122 that is equipped with of eccentric lifting unit 4, be equipped with on the panel 122 and connect respectively eccentric runner 41, two eccentric oscillator wheels 121's wheel 123, just panel 122 is equipped with well runner 124, and is three wheel 123 with well runner 124 passes through hold-in range 125 and connects (the winding mode of this hold-in range 125 is shown in fig. 7), two eccentric oscillator wheels 121 rotate opposite direction. Thus, after the eccentric rotating wheel 41 rotates, the three wheels 123 and the middle rotating wheel 124 connected through the synchronous belt 125 rotate, the rotating directions of the two wheels 123 connected with the two eccentric vibrator wheels 121 are opposite, meanwhile, the directions of the eccentric vibrators on the two eccentric vibrator wheels 121 are fixed, when the cutting knife rises to the highest point, the eccentric vibrators are at the lowest point, and when the cutting knife falls to the lowest point, the eccentric vibrators are at the highest point. Thus, the inertial force generated by the ascending or descending of the blade can be effectively offset by the two eccentric oscillator wheels 121, and the horizontal centrifugal force generated by the two eccentric oscillator wheels 121 can be offset in the transverse direction. In this embodiment, the eccentric oscillator wheel 121 is replaceable according to the weight of the cutter.

In a further improvement, a baffle 34 is vertically arranged on one side of the rotating wheel 32, so that the friction between a transmission belt between the driving wheel 22 and the driven wheel 21 and the transmission belt on the rotating wheel 32 is avoided, and the transmission belt is prevented from being seriously abraded.

As shown in fig. 1 to 3 and fig. 6, the rotary cutter head assembly 5 further comprises: fixing base 51, carousel 52, blade disc 53, third drive apparatus 54 and fourth drive apparatus 55, fixing base 51 transversely is fixed in 2 lower extremes of support, carousel 52 rotate set up in on fixing base 51, carousel 52 below is connected with blade disc 53, and blade disc 53 rotates along with carousel 52, be equipped with on the fixing base 51 and connect blade disc 53 is used for the drive the third drive apparatus 54 that blade disc 53 goes up and down, when the head removes, blade disc 53 is lifted under third drive apparatus 54 effect, and when cutting, blade disc 53 falls down in third drive apparatus 54 drive and pushes down the product of being cut, be equipped with on base 1 and be used for the drive carousel 52 pivoted fourth drive apparatus 55. When cutting is performed, the fourth drive device 55 drives the turntable 52 to rotate, and the cutter head rotates along with the turntable, and the cutter 6 changes the cutting direction. Wherein, the third driving device 54 may adopt an air cylinder, and the fourth driving device 55 may adopt a motor, and is connected to the turntable 52 through a timing belt.

The cutter 6 can become dull after a period of reuse, and this aircraft nose further improves to, fixing base 51 one side is equipped with sharpening component 11. The cutter 6 can be sharpened by setting a fixed period, so as to ensure the cutting efficiency and the qualification rate.

The further improvement is that, the sharpening assembly 11 includes a fifth driving device 111 and a sharpening piece 112, the sharpening piece 112 is located at a position between the turntable 52 and the cutter disc 53, the fifth driving device 111 is arranged on the fixing seat 51, the fifth driving device 111 drives the sharpening piece 112 to rotate, when sharpening is needed, the sharpening piece 112 is close to the cutting knife 6 in an automatic mode through manual operation, and then sharpening is performed. Wherein the fifth driving device 111 may employ a motor.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A soft material high speed cutting machine head is characterized by comprising: base, support, lift seat, eccentric lifting unit, rotatory cutter head assembly and cut-off knife, the support vertical set up in on the base, the lift seat set up in on the vertical guide arm on the support, eccentric lifting unit set up in on the lift seat, just the support lower extreme is connected rotatory cutter head assembly, the cut-off knife upper end is connected eccentric lifting unit, the cut-off knife lower extreme passes rotatory cutter head assembly, be equipped with on the base and be used for the drive the first drive arrangement of eccentric lifting unit work, be equipped with the connection on the support the lift seat both sides are used for the drive the second drive arrangement that the lift seat goes up and down, just be equipped with on the lift seat provide with the balance assembly of the opposite inertia force of cut-off knife direction of motion.

2. A soft material high speed cutting head as in claim 1 wherein said eccentric lifting assembly comprises: eccentric runner, sleeve and piston spare, eccentric runner set up in on the seat goes up and down, the sleeve set up in eccentric runner below, piston spare upper end is connected through the pivot eccentric runner, piston spare lower extreme set up in freely go up and down in the sleeve, just piston spare lower extreme is connected the cut-off knife, a drive arrangement is used for the drive eccentric runner rotates.

3. A high-speed cutting machine head for soft materials as claimed in claim 2, characterized in that an upper guide wheel, a rotating wheel and a lower guide wheel are sequentially arranged on the back of the lifting seat from top to bottom, the rotating wheel is connected with the eccentric rotating wheel, a driven wheel is arranged on the bracket above the upper guide wheel, a driving wheel is arranged below the lower guide wheel of the bracket, the driving wheel is connected with the first driving device, and the driving belt is wound from the driving wheel to the driven wheel and sequentially passes through the upper guide wheel, the rotating wheel and the lower guide wheel to return to the driving wheel.

4. A soft material high speed cutting head as in claim 2 wherein said balancing assembly comprises: two eccentric oscillator wheels, two eccentric oscillator wheels set up respectively in eccentric runner both sides, eccentric lifting unit openly is equipped with the panel, the panel is equipped with and connects respectively the wheel of eccentric runner, two eccentric oscillator wheels, just the panel is equipped with well runner, and is three the wheel with well runner passes through the hold-in range and connects, two eccentric oscillator wheel rotation opposite direction.

5. A high speed soft material cutting head as claimed in claim 1, wherein said rotary cutter head assembly comprises: fixing base, carousel, blade disc, third drive equipment and fourth drive equipment, the fixing base set up in the support lower extreme, the carousel rotate set up in on the fixing base, the carousel below is connected with the blade disc, be equipped with on the fixing base and connect the blade disc is used for the drive the third drive equipment that the blade disc goes up and down, be equipped with on the base and be used for the drive carousel pivoted fourth drive equipment.

6. The high-speed soft material cutting machine head as claimed in claim 5, wherein a knife sharpening assembly is disposed on one side of the fixing base.

7. The high-speed soft material cutting machine head as claimed in claim 6, wherein the knife sharpening assembly includes a fifth driving device and a knife sharpening member, the fifth driving device is disposed on the fixing base, and the fifth driving device drives the knife sharpening member to rotate.

8. A soft material cutting device, comprising a soft material high speed cutting machine head according to any one of claims 1 to 7, which is provided on a machine body by an XY moving unit.