CN111496959A

CN111496959A - Multifunctional numerical control rough milling machine

Info

Publication number: CN111496959A
Application number: CN202010461266.1A
Authority: CN
Inventors: 江旭阳
Original assignee: Anji Zhengfeng Bamboo & Wood Machinery Co ltd
Current assignee: Anji Zhengfeng Bamboo & Wood Machinery Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2020-08-07

Abstract

A multifunctional numerical control rough milling machine comprises the following components in the feeding direction of rod-shaped materials: the rough cutting mechanism comprises two stations, wherein one station is provided with a milling cutter for primarily cutting two sides of the rod-shaped material, the other station is provided with a jump cutter capable of freely lifting and a power source for driving the milling cutter, and is positioned at the downstream of the station provided with the milling cutter, and the jump cutter is used for cutting the upper surface and the lower surface of the rod-shaped material; the thickness cutting mechanism comprises at least two stations, each station is provided with at least one flat knife and a power source for driving the flat knife, and the two adjacent flat knives are used for cutting the upper surface and the lower surface of the bamboo respectively; and the width cutting mechanism comprises at least one station, each station is provided with two vertical cutters and a power source for driving the vertical cutters, and the two vertical cutters are used for cutting the left and right surfaces of the bamboo material. Also comprises a plurality of feeding devices. The invention has the advantages that the device is used for processing the two side surfaces and the upper surface and the lower surface of the cut rod-shaped workpiece, and the feeding amount of the cutter is automatically adjusted in the processing.

Description

Multifunctional numerical control rough milling machine

Technical Field

The invention relates to the technical field of processing production, in particular to a multifunctional numerical control rough milling machine.

Background

The progress of the era promotes the environment protection, the saving and the emission reduction, and the harmonious development becomes the main fundamental tone of the era; the improvement of scientific technology puts forward higher requirements on industrial and agricultural production, and how to produce commodities which accord with the masses in a labor-saving, efficient and environment-friendly manner is an urgent subject.

The existing rough milling machine is a rough type machine and far from meeting the requirements of users. No matter the processing technology, the energy conservation and the environmental protection, especially the extremely low material utilization rate, seriously lags behind the development requirements of the times. With the gradual popularization of numerical control technology and the vigorous development of digital economy, the requirements on processing machines are higher and higher nowadays, and the numerical control and intellectualization of the processing machines are development requirements of the times. Through years of scientific research and continuous practice, a new-generation multifunctional numerical control rod-shaped material rough milling machine is developed on the basis of the existing rough milling machine, so that various defects and shortcomings of the existing rough milling machine are thoroughly overcome, and the process of processing materials is more scientific, labor-saving and environment-friendly.

The high-speed high-precision numerical control automatic wood turning machine is disclosed in publication No. CN 103231421A and publication No. 2013, 8, 7, and comprises a bar clamping linear pushing mechanism; the bar clamping linear pushing mechanism comprises a slider seat limited on the rack and moving on a linear track, a bar side clamping leaning platform mechanically fixed on the slider seat, and a bar side clamping lever connected with the slider seat through a fulcrum V; the tail end of a power arm of the bar side clamping lever is hinged with a cylinder piston rod; a stop block and a stop block which are mechanically fixed on the slide block seat are respectively positioned on two sides of the bar side clamping lever power arm; the bar side clamp lever resistance arm and the bar side clamp leaning platform jointly form a bar clamp, and the minimum distance between the bar clamp lever resistance arm and the bar side clamp leaning platform is equivalent to the diameter of a thin bamboo-wood bar. The pushing mechanism related in the high-speed high-precision numerical control automatic wood turning machine can only carry out single discontinuous feeding, can not carry out continuous pushing feeding, and is not suitable for manufacturers to improve the production efficiency; the clamping point positions of the whole clamping mechanism are too few, and multi-point position clamping and conveying and multi-point numerical control cutting cannot be achieved.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, and provides a multifunctional numerical control rough milling machine which can greatly improve the production efficiency, fully utilize materials, realize safe machinery with various cutting schemes, and is convenient and quick.

The invention adopts the technical scheme for solving the technical problems that: the multifunctional numerical control rough milling machine comprises the following components in the feeding direction of rod-shaped materials:

the rough cutting mechanism comprises two stations, wherein one station is provided with a milling cutter and a power source for driving the milling cutter and is used for primarily cutting two sides of the rod-shaped material, the other station is provided with a jump cutter capable of freely lifting and a power source for driving the jump cutter and is positioned at the downstream of the station provided with the milling cutter, and the jump cutter is used for cutting the upper surface and the lower surface of the rod-shaped material; and

the thickness cutting mechanism comprises at least two stations, each station is provided with at least one flat knife and a power source for driving the flat knife, and the two adjacent flat knives are used for cutting the upper surface and the lower surface of the rod-shaped material respectively; and

the width cutting mechanism comprises at least one station, wherein each station is provided with two vertical cutters and a power source for driving the vertical cutters, and the two vertical cutters are used for cutting the left surface and the right surface of the rod-shaped material.

The principle of the invention is that the rod-shaped material is processed by the rough cutting mechanism, the thickness cutting mechanism and the width cutting mechanism, the rough cutting mechanism firstly cuts the left surface, the right surface, the upper surface and the lower surface of the rod-shaped material, removes rough parts and reduces the strength of redundant parts, and the thickness cutting mechanism is combined to cut the upper surface and the lower surface of the rod-shaped material, the width cutting mechanism is combined to cut the left surface and the right surface of the rod-shaped material, thereby reducing the abrasion of cutters used by the thickness cutting mechanism and the width cutting mechanism and ensuring the quality of cut products.

Further perfection, every station of thickness cutting mechanism all is equipped with first motor, with first eccentric member, the first driving piece of quantity such as flat sword, the flat sword one-to-one is installed first eccentric member, first motor drives through first driving piece first eccentric member to order about the flat sword eccentric rotation. Through the eccentric part, the feeding amount of the flat cutter is a variable value instead of a fixed value, the cutter is floated according to the height difference of the upper surface or the lower surface, the finished product surface after cutting is not only a surface without an inclination angle but also a surface with an inclination angle, and the eccentric part is driven by the motor, so that the using effect is good and high efficiency.

Further perfected, the thickness cutting mechanism is equipped with two flat knives at the most downstream station, and the two flat knives are respectively used for cutting the upper surface and the lower surface of the rod-shaped material. The synchronous processing of the upper surface and the lower surface of the rod-shaped material is realized, the redundant allowance of the upper surface and the lower surface of the material is removed, and the rod-shaped material with the final thickness can be obtained.

Further perfection, width cutting mechanism's station is equipped with second motor, two second eccentrics, second driving medium, two found the sword and install respectively at two second eccentrics, the second motor drives two second eccentrics through the second driving medium to order about two found sword eccentric rotation. Through the eccentric part, the feed amount of the vertical cutter is a variable value instead of a fixed value, the floating of the cutter is realized according to the surface difference of two side surfaces, the cut finished product surface is not only a surface without an inclination angle but also a surface with an inclination angle, and the eccentric part is driven by a motor, so that the use effect is good and high-efficiency.

Further perfecting, width cutting mechanism's station still is equipped with two roll adjustment pieces, and rod-shaped material passes two the interval between the roll adjustment piece, two the roll adjustment piece is located found the sword below, the second motor passes through the second driving medium and drives two the second eccentric member, the second eccentric member drives roll adjustment piece is inside or outside removal. Considering that the width of each rod-shaped material is different, the two movable distance adjusting pieces move inwards or outwards according to the width of the rod-shaped materials, so that the rod-shaped materials with different widths can pass through the distance adjusting pieces, and the processing is convenient.

Further perfection, be equipped with on the roll adjustment piece and set up and be located along the direction of feed first locating part, the second locating part of founding sword both sides, two on the roll adjustment piece first locating part symmetry sets up, two second locating part symmetry sets up to constitute the cuboid plane, two between the first locating part, two all there is the interval that supplies shaft-like material to pass through between the second locating part. Two first locating parts, two second locating parts are used for deciding the width and assist the cutting, and spacing and provide sufficient tight restraint of clamp to shaft-like material for shaft-like material can not remove in the cutting, thereby makes cutting effect good, also makes the shaft-like material both sides after deciding the width level.

Further perfection, one of the first limiting parts is fixedly arranged and used as a positioning reference of the rod-shaped materials in width processing, and the other first limiting part can be inwards or outwards offset according to the whole width of the rod-shaped materials. The width of each rod-shaped material is different, so that automatic adaptive adjustment can be realized, and personnel adjustment is not needed.

Further perfection, and tensioning wheel mechanisms are arranged between the flat cutter and the power source to which the flat cutter belongs. The flat cutter and the power source of the flat cutter are used as power transmission media through the belt, the belt is elastic, namely the tension force of the belt needs to be guaranteed in use, so that the tension of the belt is adjusted through the tension wheel mechanism, the belt is always kept in a tension state, and the situation that the belt slips due to insufficient tension force or breaks due to overlarge tension force is avoided.

Further perfecting, the milling cutter and the station to which the milling cutter belongs are provided with a second pressing piece for pressing the rod-shaped materials in the cutting process. The stress resistance of the rod-shaped material in the cutting process is improved, the vibration is reduced, and the cutting effect is improved.

The second pressing piece comprises a second mounting plate, a second pressing piece and a third pressing piece, the second pressing piece is mounted on the station through the second mounting plate, the second pressing piece presses the rod-shaped material upwards and realizes self-adaptation, and the third pressing piece presses the rod-shaped material on two sides and realizes self-adaptation. The first pressing piece and the second pressing piece are adaptive, and the use positions can be automatically adjusted according to the thickness, the width and the outward inclined part of the rod-shaped material, so that the stable constraint effect is ensured.

Further perfecting, the flat knife and the station to which the flat knife belongs are provided with a first pressing piece used for pressing the rod-shaped materials in the cutting process. The stress resistance of the rod-shaped material in the cutting process is improved, the vibration is reduced, and the cutting effect is improved.

Further perfect, first compressing tightly the piece and including first mounting panel, two at least first casting die, first mounting panel is with first compressing tightly the piece and install on the station, and first casting die is done the top and is compressed tightly and realize self-adaptation to rod-shaped material. The first pressing piece has self-adaptability, and the use position can be automatically adjusted according to the thickness of the rod-shaped material and the outward inclined part, so that the stable constraint effect is ensured.

The multifunctional numerical control rough milling machine further comprises a plurality of feeding devices, each feeding device is located between adjacent stations of all stations of the multifunctional numerical control rough milling machine, each feeding device comprises an upper feeding wheel and a feeding wheel which are in groups and used for clamping the upper surface and the lower surface of a rod-shaped material, and the feeding devices are driven by one or more third motors.

Further perfection, the lower feeding wheel is a positioning reference and is fixedly installed on the straight rod, the upper feeding wheel can float in a self-adaptive mode and is fixedly installed on the rod piece with the universal joint or the upper feeding wheel is a positioning reference and is fixedly installed on the straight rod, the lower feeding wheel can float in a self-adaptive mode and is fixedly installed on the rod piece with the universal joint, and the rod piece with the universal joint or the straight rod is in transmission connection with one or more third motors.

The invention has the beneficial effects that:

(1) the invention realizes the processing of the rod-shaped materials, the multiple mechanisms process the rod-shaped materials at different positions, the multiple functions of one machine are realized, and irregular finished product styles are processed by setting different functional relations.

(2) The thickness of the rod-shaped material is fixed by the thickness cutting mechanism, the upper surface and the lower surface of the rod-shaped material are processed for multiple times by a plurality of stations, redundant allowance of the upper surface and the lower surface is removed, and the upper surface and the lower surface of the rod-shaped material are inclined surfaces or planes after the allowance is removed.

(3) The width of the rod-shaped material is widened by the width cutting mechanism, redundant allowance on two side surfaces is removed, and the two side surfaces of the rod-shaped material are inclined surfaces or planes after the allowance is removed.

(4) According to the invention, the machine can be conveniently and rapidly adjusted only by simply setting parameters according to the requirements and the natural shapes of the materials, so that the finished product is more attractive, the materials are more saved, the time is more saved, and the operation is simpler and more convenient.

Drawings

FIG. 1 is a schematic layout view of the rough cutting mechanism, the thickness cutting mechanism and the width cutting mechanism of the present invention along the feeding direction;

FIG. 2 is a schematic perspective view of a station of the width cutting mechanism of the present invention;

FIG. 3 is a schematic perspective view of a station of the rough cutting mechanism of the present invention;

FIG. 4 is a schematic perspective view of another station of the rough cutting mechanism of the present invention;

FIG. 5 is a schematic perspective view of another station of the rough cutting mechanism of the present invention;

FIG. 6 is a schematic plan view of a station of the thickness cutting mechanism of the present invention, which drives a flat blade for feed adjustment;

FIG. 7 is a schematic plan view of another station of the thickness cutting mechanism of the present invention, in which a flat blade is driven for feed adjustment;

FIG. 8 is a schematic plan view of another station of the thickness cutting mechanism of the present invention, in which a flat blade is driven for feed adjustment;

FIG. 9 is a schematic plan view of a station of the width cutting mechanism of the present invention, for driving a vertical knife to adjust the feed rate;

FIG. 10 is a schematic perspective view of a station of the thickness cutting mechanism with a tensioner mechanism added to a power source according to the present invention;

FIG. 11 is a schematic perspective view of another station of the thickness cutting mechanism of the present invention with a tension roller mechanism added to the power source;

FIG. 12 is a perspective view of a second compression member of the present invention;

fig. 13 is a schematic perspective view of a first pressing member according to the present invention, with respect to the lower side of a rod-shaped material to be processed;

fig. 14 is a schematic perspective view of a first pressing member according to the present invention, which is directed to a top side of a rod-shaped material to be processed;

fig. 15 is a schematic perspective view of the first pressing member according to the present invention for processing the upper and lower surfaces of a rod-shaped material;

FIG. 16 is a schematic perspective view of a feed assembly with a front mount according to the present invention;

FIG. 17 is a schematic perspective view of a feeding device with an inverted mount according to the present invention;

fig. 18 is a schematic perspective view of the rod-shaped material processed by the present invention, showing four patterns after being processed and in an unprocessed state.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

example 1:

referring to the attached fig. 1, 2 and 18, the multifunctional numerical control rough milling machine comprises the following components in the feeding direction of rod-shaped materials:

the rough cutting mechanism 1 comprises two stations, wherein one station is provided with a milling cutter 1-1 and a power source for driving the milling cutter 1-1 and is used for primarily cutting two sides of the rod-shaped material, the other station is provided with a jump cutter 1-2 capable of freely lifting and a power source for driving the jump cutter 1-2 and is positioned at the downstream of the station provided with the milling cutter 1-1, and the jump cutter 1-2 is used for cutting the upper surface and the lower surface of the rod-shaped material; and

the thickness cutting mechanism 2 comprises at least two stations, each station is provided with at least one flat knife 2-1 and a power source for driving the flat knife 2-1, and the two adjacent flat knives 2-1 are respectively used for cutting the upper surface and the lower surface of the rod-shaped material; and

the width cutting mechanism 3 comprises at least one station, each station is provided with two vertical knives 3-1 and a power source for driving the vertical knives 3-1, and the two vertical knives 3-1 are used for cutting the left side and the right side of the rod-shaped material.

Through rough cutting mechanism 1, thickness cutting mechanism 2, width cutting mechanism 3 pair rod-shaped material processing obtains the rod-shaped material of multiple pattern, pattern 1: four faces are flat, style 2: the upper and lower surfaces are inclined planes, the left and right surfaces are planes, and the pattern is 3: the upper surface and the lower surface are planes, the left surface and the right surface are inclined planes, and the pattern is 4: the four surfaces are inclined surfaces, particularly the numerical control rough milling machine is provided with a positioning probe, the width and thickness values read by the positioning probe are values set by workers before the numerical control rough milling machine is processed, a difference value is obtained by comparing the value obtained by mapping rod-shaped materials with the value set before the numerical control rough milling machine is processed, the difference value is cutting amount, automatic measurement is achieved, production efficiency is improved, and a power source is a three-phase asynchronous motor for driving a cutter shaft to rotate in a cutting mode.

Wherein the jump cutter is 1-2. This part is arranged in the ascending bulge of thickness of processing on the shaft-like material, for example, the bamboo, there is continuous outstanding bamboo joint between each section of bamboo, the bamboo joint is the part of the most rigid in the bamboo, and there is the area big, it is great to the damage of cutter to get rid of completely through the single, the condition that the sword collapses can often appear to the cutter, so carry out rough machining to the bamboo joint earlier, mill partial bamboo joint through milling cutter, make its whole area reduce, it is the slice part of bamboo joint to get rid of the part, the root part is not processed, thereby reduce the intensity of bamboo joint, cut off the bamboo joint part completely after getting into thickness cutting mechanism 2, and the cutter that causes to two parts is normal wearing and tearing, the utility life of cutter is prolonged, reduce and maintain the number of times.

Each station of the thickness cutting mechanism 2 is provided with a first motor 2-2, first eccentric parts 2-3 and first transmission parts 2-4, the first eccentric parts 2-3 and the first transmission parts are equal in number to the flat cutters 2-1, the flat cutters 2-1 are correspondingly arranged on the first eccentric parts 2-3 one by one, and the first motor 2-2 drives the first eccentric parts 2-3 through the first transmission parts 2-4 and drives the flat cutters 2-1 to eccentrically rotate. The flat knife 2-1 of the traditional thickness cutting mechanism 2 is immovable in cutting, the cutting amount is set before processing, then the flat knife is cut once, the cutting amount is the difference value from the highest point to the lowest point, so that the surface of the rod-shaped material obtained after cutting is a plane without height difference, but the shape capable of being presented by the rod-shaped material is limited by the mode, the application and the use quantity are also indirectly influenced if the displayed shape style is limited, and the flat knife 2-1 needs to be adjusted manually aiming at the rod-shaped materials with different cutting required thicknesses, so that each rod-shaped material needs to be positioned and fed for adjustment once, the difference value needs to be accurately calculated, the efficiency is low, the effect is poor, the use amount of the rod-shaped materials is increased, and in order to increase the adaptability of a numerical control rough milling machine, the flat knife 2-1 in the thickness cutting mechanism 2 can be automatically adjusted, the cutting device is realized by a first eccentric part 2-3, a cutter shaft for installing a flat cutter 2-1 is rotationally connected in the first eccentric part 2-3 and is driven to rotate by a power source, a first motor 2-2 drives a first transmission part 2-4 to rotate, the first transmission part 2-4 drives the first eccentric part 2-3 to rotate, the first eccentric part 2-3 rotates to change the feeding amount of the flat cutter 2-1, the first motor 2-2 is a servo motor, the flat cutter 2-1 automatically changes the feeding amount according to the change of a cutting surface, the feeding depth of the flat cutter 2-1 is gradually changed according to the difference of the height of a plane in cutting by the mode, the cutting amount of the whole section is ensured to be a floating value instead of a constant value without change, and the characteristics of multiple types and material saving of rod-shaped materials are realized, after the process is finished, two rod-shaped materials with the same shape and size are taken, one side surfaces of the two rod-shaped materials are provided with parts with the same angle offset, when the two rod-shaped materials are spliced, the two rod-shaped materials can be spliced into a rectangular shape, meanwhile, the feeding amount of a cutter is adjusted to move in a non-disposable linear mode, machine abrasion is reduced through flexible transition of circular arcs, machining precision of the machine can be guaranteed for a long time, and maintenance times are reduced, wherein the first transmission pieces 2-4 are respectively a main transmission gear on the first motor 2-2 and an auxiliary transmission gear on the first eccentric piece 2-3.

The thickness cutting means 2 is equipped with two flat knives 2-1 at the most downstream station and both are used to cut the upper side of the rod-shaped material, respectively. The upper surface and the lower surface of the rod-shaped material are provided with parts needing to be cut, the parts have certain thickness and connection strength, single flat cutters 2-1 of different stations are utilized in the early processing, the flat cutters 2-1 of one station are used for carrying out targeted treatment on the parts at the upper part and the lower part, the one-time processing is avoided, the cutter abrasion is avoided being increased, the yield is also improved, therefore, after the early processing is finished, a cutting station with two flat cutters 2-1 is arranged, the upper surface and the lower surface of the rod-shaped material are synchronously cut at the station, the thickness of the rod-shaped material can be determined, and the final thickness after the cutting processing is a value set on a numerical control rough milling machine before the processing by workers.

The width cutting mechanism 3 is characterized in that a second motor 3-2, two second eccentric parts 3-3 and a second transmission part 3-4 are assembled on a station of the width cutting mechanism 3, the two vertical cutters 3-1 are respectively installed on the two second eccentric parts 3-3, and the second motor 3-2 drives the two second eccentric parts 3-3 through the second transmission part 3-4 and drives the two vertical cutters 3-1 to eccentrically rotate. The using principle of the width cutting mechanism 3 is consistent with that of the thickness cutting mechanism 2, the difference is that the processing surfaces are different, the width cutting mechanism 3 is used for two side surfaces, the thickness cutting mechanism 2 is used for the upper surface and the lower surface, and the description is not repeated, the second motor 3-2 is also a servo motor, and the feeding amount of the vertical cutter 3-1 can be automatically changed according to the change of the cutting surfaces.

The width cutting mechanism 3 is characterized in that two distance adjusting pieces 3-5 are further assembled at the stations, rod-shaped materials penetrate through the interval between the two distance adjusting pieces 3-5, the two distance adjusting pieces 3-5 are located below the vertical cutter 3-1, the second motor 3-2 drives the two second eccentric pieces 3-4 through second transmission pieces 3-4, and the second eccentric pieces 3-4 drive the distance adjusting pieces 3-5 to move inwards or outwards. The rod-shaped materials entering the width cutting mechanism 3 are not rod-shaped materials with equal width, namely when the rod-shaped materials pass through, smooth passing of the rod-shaped materials is guaranteed, clamping is needed to be achieved, deviation of the rod-shaped materials is avoided, two distance adjusting pieces 3-5 are arranged, the passing distance of the rod-shaped materials is adjustable, the situation that the rod-shaped materials are broken due to the fact that the rod-shaped materials do not accord with the passing distance is avoided, a linear bearing sliding block/sliding rail pair is arranged at the lower end of each distance adjusting piece 3-5, a cam is arranged on the second eccentric piece 3-3 and abuts against a sliding block of the linear bearing sliding block/sliding rail pair, the sliding block is moved through friction force generated between the rotation of the cam and the sliding block, and the distance adjusting pieces 3-5 are driven to move.

The distance adjusting pieces 3-5 are provided with first limiting pieces 3-5a and second limiting pieces 3-5b which are arranged along the feeding direction and are positioned on two sides of the vertical knife 3-1, the two first limiting pieces 3-5a and the two second limiting pieces 3-5b on the two distance adjusting pieces 3-5 are symmetrically arranged and form a rectangular plane, and spaces for rod-shaped materials to pass through are arranged between the two first limiting pieces 3-5a and between the two second limiting pieces 3-5 b. The two first limiting parts 3-5a and the two second limiting parts 3-5b can increase the stress resistance strength of the rod-shaped material during processing, particularly the stress resistance strength of the cut part, so that the rod-shaped material is prevented from jumping up and down during cutting, and the good side cutting effect is ensured. Meanwhile, the first limiting part 3-5a and the second limiting part 3-5b are plate bodies with the same shape, and the end heads of the first limiting part and the second limiting part, which are close to the vertical cutter, are provided with arc shapes tangent to the cutting edge part of the vertical cutter 3-1, so that the stress resistance strength of the rod-shaped materials during processing is further optimized and increased.

One of the first limiting pieces 3-5a is fixedly arranged and used as a positioning reference of the rod-shaped material in width processing, and the other first limiting piece 3-5a can be outwards or inwards deviated according to the whole width of the rod-shaped material. In order to better improve the using effect of the numerical control rough milling machine, the two first limiting parts 3-5a can be adjusted according to the surplus materials which incline outwards on the side surface of the rod-shaped material, the two first limiting parts 3-5a are arranged into a movable part, one immovable part, the first limiting part 3-5a is used as the positioning reference of the rod-shaped material, namely, one side surface of the rod-shaped material is abutted against the inner wall of the rod-shaped material, the other side surface of the rod-shaped material is provided with the surplus materials which incline outwards and is also abutted against the inner wall of the rod-shaped material, but the part of the abutted first limiting part 3-5a moves outwards or inwards according to the surplus material value, the movable part 3-5a is provided with a supporting spring 6 abutted against the outer side surface of the movable part, the other end of the supporting spring 6 is abutted against a positioning plate 7 which is vertically arranged on, the extension plate 8 is provided with a sliding chute 8-1, the sliding chute 8-1 is provided with a front end opening 8-1a and a lower end opening 8-1b at the extension plate 8, the front end opening 8-1a and the lower end opening 8-1b are both passed by the first limiting member 3-5a, the arrangement is not only for realizing the movement of the first limiting member 3-5a, but also for avoiding the rotation during the movement, because the movement of the first limiting member 3-5a is controlled by the supporting spring 6, the supporting spring 6 itself can bend leftwards and rightwards and tilt upwards under the condition of no restriction after being influenced by the extrusion force, so the width fixing effect can not be realized, therefore, the upper surface of the sliding chute 8-1 is attached to the upper surface of the first limiting member 3-5a through the sliding chute 8-1 as the restriction, and the extension plate 8 and the supporting spring 6 are bilaterally symmetrically arranged, namely, two positioning points are provided, so that the first limiting parts 3-5a have good moving stability and can provide enough resistance to the rod-shaped materials.

Example 2:

referring to the attached fig. 3, for the milling cutter 1-1 station of the rough cutting mechanism 1, the structure can be consistent with or inconsistent with the structure of the jump cutter 1-2 station, and the structure 1: the milling cutter comprises a fixing plate 9, a cutter shaft seat 10, a screw rod 11 and a top plate 12, wherein the cutter shaft seat 10 is located on the side of the fixing plate 9 and movably connected to a dovetail pair 9-1 on the side of the fixing plate 9, the milling cutter 1-1 is connected to the cutter shaft seat 10 in a rotating mode through a cutter shaft through the screw rod 11 moving along the height direction, the structure is simple, the operation is convenient, and the using position of the milling cutter 1-1 in the height direction can be adjusted through the screw rod 11.

Example 3:

referring to the attached fig. 4, for the milling cutter 1-1 station of the rough cutting mechanism 1, the structure can be consistent with or inconsistent with the structure of the jump cutter 1-2 station, and the structure 2 is as follows: compared with the structure 1, the structure for realizing the sliding of the cutter shaft seat is realized by adopting a linear slide rail/slide block pair 9-1, and the moving precision and the stability of the structure are superior to those of a dovetail pair in the structure 1.

Example 4:

referring to fig. 5, for the station of the skip cutter 1-2 of the rough cutting mechanism 1, the station structure can be consistent with or inconsistent with the station structure of the milling cutter 1-1, and the structure 3 is as follows: the two fixing plates 9 are symmetrically arranged and provided with a sliding channel arranged in the middle, the cutter shaft seat 10 is arranged in the sliding channel and moves in the height direction and moves through a screw rod 11, the milling cutter 1-1 is connected to the two cutter shaft seats 10 through a cutter shaft in a rotating mode, a transmission gear 13 is further arranged on the cutter shaft, the screw rod 11 is matched with the transmission gear 13, the use position of the cutter shaft seats 10 is adjusted through the arrangement, a top plate 12 is attached to the upper surfaces of the two fixing plates 9 through the lower surface of the top plate, the sliding channel is closed, a spring is arranged between the lower surface of the top plate and the upper surface of the cutter shaft seat 10, the spring is in self-resetting and self-stretching characteristics, so that the free jumping of the jump cutter is achieved when the jump cutter 1-2 is extruded by rod-shaped.

Example 5:

referring to the attached figure 6, a flat cutter 2-1 of a thickness cutting mechanism 2 is positioned below a rod-shaped material and is provided with a first motor 2-2 and a first eccentric part 2-3, the first motor 2-2 is positioned at the upper left part of the middle part of a station, the first eccentric part 2-3 is positioned at the oblique lower part of the first motor 2-2 and is tangentially meshed with a main transmission gear through an auxiliary transmission gear, the mode is flexible adjustment, the effect is better than that of the thickness cutting mechanism 2 adopting a rough cutting mechanism 1, the abrasion to a machine tool is small, and the machining precision of the machine tool can be guaranteed.

Example 6:

referring to the attached figure 7, a flat cutter 2-1 of a thickness cutting mechanism 2 is positioned on a rod-shaped material and is provided with a first motor 2-2 and a first eccentric part 2-3, the first motor 2-2 is positioned at the lower right part of the middle part of a station, the first eccentric part 2-3 is positioned at the position obliquely above the first motor 2-2 and is tangentially meshed with a main transmission gear through an auxiliary transmission gear, the mode is flexible adjustment, the effect is better than that of the thickness cutting mechanism 2 adopting a rough cutting mechanism 1, the abrasion to a machine tool is small, and the machining precision of the machine tool can be ensured.

Example 7:

referring to the attached figure 8, a flat knife 2-1 of a thickness cutting mechanism 2 is positioned on the upper surface and the lower surface of a rod-shaped material and is provided with two first motors 2-2 and two first eccentric parts 2-3, the two first motors 2-2 and the two first eccentric parts 2-3 form a diagonal line of a rectangular plane, one of the first motors 2-2 and one of the first eccentric parts 2-3 is one side, the first motor 2-2 and the first eccentric part 2-3 on the same side are in tangential meshing through a main transmission gear and a sub transmission gear and are in oblique fit, the positions are in a mode that the first motor 2-2 on one side is above the first eccentric part 2-3 on the lower side, the first motor 2-2 on one side is below the first eccentric part 2-3 on the lower side, and the first eccentric part 2-3 is above the upper surface and the lower surface of the rod-shaped material are synchronously machined, the flat knife can be synchronously fed, the mode is flexible adjustment, the effect is superior to the structure that the thickness cutting mechanism 2 adopts the rough cutting mechanism 1, the abrasion to the machine tool is small, and the processing precision of the machine tool can be ensured.

Example 8:

referring to the attached figure 9, the vertical cutter 3-1 of the width cutting mechanism is positioned on the left and right sides of the rod-shaped material and is provided with a second motor 3-2 and two second eccentric parts 3-3, the two second eccentric parts 3-3 are symmetrically arranged and are meshed and matched through a secondary transmission gear, the second motor 3-2 is meshed and matched with one secondary transmission gear through a main transmission gear, and the two side faces of the rod-shaped material are synchronously processed by driving one second eccentric part 3-3 and synchronously driving the other second eccentric part 3-3.

Example 9:

referring to fig. 10 and 11, a tension wheel mechanism 5 is arranged between the flat knife 2-1 and the power source. The tension wheel mechanism 5 comprises a swing arm 5-1 and a tension wheel 5-2 which is rotatably connected to the swing arm 5-1, a servo motor drives an eccentric part to rotate, a cutter is mounted on the eccentric part and can realize automatic feeding amount adjustment along with the rotation of the eccentric part, particularly, a cutter shaft rotates in the eccentric part and is an independent rotating part, the driving mode is that the belt is used as a transmission part to transmit power to the eccentric part through a belt, but the belt has the problem of overlarge or undersize tension force under the influence of the feeding amount adjustment, namely, the cutter moves upwards, namely pulls the belt, the cutter moves downwards, the belt is loosened, so that the tension force of the belt is adjusted through the tension wheel mechanism 5 in order to avoid the belt from slipping or being fatigued, the tension wheel 5-2 swings through the swing arm 5-1, and the outward swinging is used for releasing the tension, the pressure of the belt is reduced, the belt is tensioned by swinging inwards, the tensioning force is increased, the stable cutting is ensured, and the cutting effect is good.

Example 10:

referring to fig. 12, the milling cutter 1-1 and its associated station are equipped with a second pressing member 4 for pressing the rod-shaped material during cutting. The rod-shaped material is compressed, so that the stress generated by cutting is reduced, the processing stability is improved, and the processing effect is good.

The second pressing part 4 comprises a second mounting plate 4-1, a second pressing part 4-2 and a third pressing part 4-3, the second mounting plate 4-1 mounts the pressing part 4 on a station, the second pressing part 4-2 presses the rod-shaped material upwards and realizes self-adaptation, the third pressing part 4-3 presses the rod-shaped material from two sides and realizes self-adaptation, the second pressing part 4-2 and the third pressing part 4-3 are of two different structures and have different parts contacting the rod-shaped material, the second pressing part 4-2 adopts a top plate arranged in L type, the part contacting the rod-shaped material on the top plate is in arc transition, the third pressing part 4-2 adopts a pressing wheel, the two pressing parts are not only in constraint effect, but also are in flexible contact without damaging the surfaces respectively corresponding to contact, meanwhile, the use position can be automatically adjusted according to the thickness, the width and the inclined part of the rod-shaped material, the second pressing part 4-2 is connected to the first pressing part 4-2a by rotating, and realizes automatic adjustment through the self-adjustment of the first pressing part 4-2a by the self-restoring part 4-2b, the self-adjusting of the spring is realized through the self-restoring part 4 b by rotating under the condition that the spring 4-2b is not being pressed under the condition that the spring 4-3 is not being pressed, the spring is automatically adjusted under the condition that the spring 4-2b is added under the condition that the rotating of the ratchet wheel 4-3, the condition that the rotating restoring mechanism is automatically adjusted, the ratchet wheel 4-3, the ratchet wheel is.

Example 11:

referring to fig. 13, structure 1: aiming at the lower part of a processed rod-shaped material, two first pressing pieces 14-2 are adopted, the first pressing pieces are both pressed on the rod-shaped material and are equidistant to the flat cutter 2-1, each first pressing piece 14-2 comprises an adjustable pressing arm 14-2a and a buffering piece 14-2b, the adjustable pressing arm 14-2a is adaptive to the thickness of the rod-shaped material and swings upwards or downwards along with the surface thickness of the rod-shaped material, the pressing arm 14-2a is enabled to be pressed downwards all the time under the action of a self-resetting spring of the buffering piece 14-2b, and a good pressing effect is achieved on the rod-shaped material.

Example 12:

referring to fig. 14, configuration 2: the structure of the upper surface of the processed rod-shaped material is the same as that of the structure 1.

Example 13:

referring to fig. 15, configuration 3: aiming at the upper and lower surfaces of the rod-shaped material which is processed simultaneously, the structure is different from that of the structure 1 and 2, three first pressing parts 14-2 are adopted, compared with the structure 1 and 2, one more first pressing part 14-2 is arranged, and the flat cutters 2-1 on the upper and lower stations which are used for processing the rod-shaped material simultaneously are distributed vertically and staggered left and right, so that one more processing point of the stress caused by the rod-shaped material is provided, and the stress caused by the simultaneous processing of the two flat cutters 2-1 is reduced by adding one more first pressing part 14-2.

Example 14:

referring to fig. 16-18, the multifunctional numerical control rough milling machine further comprises a plurality of feeding devices, each feeding device is positioned between adjacent stations of all stations of the multifunctional numerical control rough milling machine, the feeding devices comprise an upper feeding wheel and a lower feeding wheel which are in group and used for clamping the upper surface and the lower surface of the rod-shaped material, and the feeding devices are driven by one or more third motors.

The lower feeding wheel is a positioning reference and is fixedly arranged on the straight rod, the upper feeding wheel can float in a self-adaptive mode and is fixedly arranged on a rod piece with a universal joint or the upper feeding wheel is a positioning reference and is fixedly arranged on the straight rod, the lower feeding wheel can float in a self-adaptive mode and is fixedly arranged on the rod piece with the universal joint, and the rod piece with the universal joint or the straight rod is in transmission connection with one or more third motors.

The functional relation exists among the length, the thickness and the inclination angle of the thickness or the inclination angle in the width direction of the rod-shaped material, the functional relation is established through the feeding speed and the cutting speed, so that the purpose of processing four finished products is achieved, meanwhile, an irregular finished product pattern B, C, D, E is processed through setting of different functional relations, A is in an unprocessed state, the third motor is a servo motor, and the numerical control of the rotating speed of the third motor can transmit the rotating speed to the upper feeding wheel and the lower feeding wheel in a lossless manner, so that the power transmission without step loss is achieved.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. A multifunctional numerical control rough milling machine is characterized by comprising the following components in the feeding direction of rod-shaped materials:

the rough cutting mechanism (1) comprises two stations, wherein one station is provided with a milling cutter (1-1) and a power source for driving the milling cutter (1-1) and is used for primarily cutting two sides of the rod-shaped material, the other station is provided with a jump cutter (1-2) capable of freely lifting and a power source for driving the jump cutter (1-2) and is positioned at the downstream of the station provided with the milling cutter (1-1), and the jump cutter (1-2) is used for cutting the upper surface and the lower surface of the rod-shaped material; and

the thickness cutting mechanism (2) comprises at least two stations, each station is provided with at least one flat knife (2-1) and a power source for driving the flat knife (2-1), and the two adjacent flat knives (2-1) are respectively used for cutting the upper surface and the lower surface of the rod-shaped material; and

the width cutting mechanism (3) comprises at least one station, wherein each station is provided with two vertical cutters (3-1) and a power source for driving the vertical cutters (3-1), and the two vertical cutters (3-1) are used for cutting the left side and the right side of the rod-shaped material.

2. The multifunctional numerical control rough milling machine according to claim 1, characterized in that each station of the thickness cutting mechanism (2) is equipped with a first motor (2-2), a first eccentric member (2-3) equal in number to the flat cutters (2-1), and a first transmission member (2-4), the flat cutters (2-1) are correspondingly mounted on the first eccentric member (2-3), and the first motor (2-2) drives the first eccentric member (2-3) through the first transmission member (2-4) and drives the flat cutters (2-1) to eccentrically rotate.

3. The multifunctional numerical control rough milling machine according to claim 2, characterized in that the most downstream station of the thickness cutting mechanism (2) is equipped with two flat knives ((2-1) and the two are used for cutting the upper and lower surfaces of the rod-shaped material respectively.

4. The multifunctional numerical control rough milling machine according to claim 1, characterized in that the work station of the width cutting mechanism (3) is equipped with a second motor (3-2), two second eccentric members (3-3) and a second transmission member (3-4), the two vertical cutters (3-1) are respectively installed on the two second eccentric members (3-3), and the second motor (3-2) drives the two second eccentric members (3-3) through the second transmission member (3-4) and drives the two vertical cutters (3-1) to eccentrically rotate.

5. The multifunctional numerical control rough milling machine according to claim 4, characterized in that the work station of the width cutting mechanism (3) is further equipped with two distance adjusting members (3-5), the rod-shaped material passes through the interval between the two distance adjusting members (3-5), the two distance adjusting members (3-5) are located below the vertical cutter (3-1), the second motor (3-2) drives the two second eccentric members (3-3) through the second transmission members (3-4), and the second eccentric members (3-3) drive the distance adjusting members (3-5) to move inwards or outwards.

6. The multifunctional numerical control rough milling machine according to claim 5, characterized in that the distance adjusting member (3-5) is provided with a first limiting member (3-5 a) and a second limiting member (3-5 b) which are arranged along the feeding direction and located at two sides of the vertical cutter (3-1), two first limiting members (3-5 a) on the two distance adjusting members (3-5) are symmetrically arranged, two second limiting members (3-5 b) are symmetrically arranged and form a rectangular plane, and a space for rod-shaped materials to pass through is arranged between the two first limiting members (3-5 a) and between the two second limiting members (3-5 b).

7. The multifunctional numerical control rough milling machine according to claim 6, characterized in that one of the first limiting members (3-5 a) is fixedly arranged and used as a positioning reference for the rod-shaped material in the width processing, and the other one of the first limiting members (3-5 a) can be shifted outwards or inwards according to the whole width of the rod-shaped material.

8. The multifunctional numerical control rough milling machine according to claim 1, characterized in that a tension wheel mechanism (5) is arranged between the flat cutter (2-1) and the power source thereof.

9. The multifunctional numerical control rough milling machine according to claim 1, characterized in that the milling cutter (1-1) and its associated station are equipped with a second pressing member (4) for pressing the rod-like material during the cutting process.

10. The multifunctional numerical control rough milling machine according to claim 9, characterized in that the second pressing member (4) comprises a second mounting plate (4-1), a second pressing member (4-2) and a third pressing member (4-3), the second mounting plate (4-1) mounts the pressing member (4) on the working position, the second pressing member (4-2) performs upper pressing and self-adaptation on the rod-shaped material, and the third pressing member (4-3) performs two-side pressing and self-adaptation on the rod-shaped material.

11. The multifunctional numerical control rough milling machine according to claim 1, characterized in that the flat cutter (2-1) and the station to which it belongs are equipped with a first pressing member (14) for pressing the rod-like material during the cutting process.

12. The multifunctional numerical control rough milling machine according to claim 11, characterized in that the first pressing member (14) comprises a first mounting plate (14-1) and at least two first pressing members (14-2), the first mounting plate (14-1) mounts the first pressing member (14) on the station, and the first pressing members (14-2) perform upper pressing and self-adaptation on the rod-shaped materials.

13. The multifunctional numerical control rough milling machine according to any one of claims 1 to 12, characterized in that the multifunctional numerical control rough milling machine further comprises a plurality of feeding devices, each feeding device is positioned between adjacent stations of all stations of the multifunctional numerical control rough milling machine, the feeding devices comprise groups of upper feeding wheels and lower feeding wheels for clamping the upper surface and the lower surface of the rod-shaped material, and the feeding devices are driven by one or more third motors.

14. The multifunctional numerical control rough milling machine according to claim 13, characterized in that the lower feeding wheel is a positioning reference and is fixedly installed on a straight rod, the upper feeding wheel can float adaptively and is fixedly installed on a rod with a universal joint or the upper feeding wheel is a positioning reference and is fixedly installed on the straight rod, the lower feeding wheel can float adaptively and is fixedly installed on the rod with the universal joint, and the rod with the universal joint or the straight rod is in transmission connection with one or more third motors.