CN111496959B - A multifunctional CNC rough milling machine - Google Patents
A multifunctional CNC rough milling machine Download PDFInfo
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- CN111496959B CN111496959B CN202010461266.1A CN202010461266A CN111496959B CN 111496959 B CN111496959 B CN 111496959B CN 202010461266 A CN202010461266 A CN 202010461266A CN 111496959 B CN111496959 B CN 111496959B
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- 238000003801 milling Methods 0.000 title claims abstract description 53
- 239000000463 material Substances 0.000 claims abstract description 147
- 238000005520 cutting process Methods 0.000 claims abstract description 126
- 230000007246 mechanism Effects 0.000 claims abstract description 84
- 238000012545 processing Methods 0.000 claims abstract description 35
- 238000003825 pressing Methods 0.000 claims description 67
- 230000005540 biological transmission Effects 0.000 claims description 33
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 10
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 10
- 241001330002 Bambuseae Species 0.000 abstract description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 10
- 239000011425 bamboo Substances 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 14
- 208000032370 Secondary transmission Diseases 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 238000005266 casting Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
- B27J1/00—Mechanical working of cane or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C5/00—Machines designed for producing special profiles or shaped work, e.g. by rotary cutters; Equipment therefor
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forests & Forestry (AREA)
- Wood Science & Technology (AREA)
- Milling, Drilling, And Turning Of Wood (AREA)
- Milling Processes (AREA)
Abstract
一种多功能数控粗铣机，沿杆状物料的进料方向包括：粗切机构，包括两个工位，其中一个工位装配铣刀用于初次削切杆状物料的两侧，另一个工位装配有可自由升降的跳刀以及驱动铣刀的动力源，并且其位于装配有铣刀的工位下游，跳刀用以削切杆状物料的上下面；以及厚度切削机构，包括至少两个工位，每个工位装配有至少一个平刀以及驱动平刀的动力源，并且相邻的两个平刀分别用以削切竹材的上下面；以及宽度切削机构，包括至少一个工位，每个工位装配有两个立刀以及驱动立刀的动力源，两个立刀用以削切竹料的左右面。还包括多个送料装置。本发明的有益效果在于，用于实现对削切杆状两侧面以及上下面加工，且在加工中实现自动调整刀具的进给量。
A multifunctional CNC rough milling machine includes: a rough cutting mechanism, including two stations, one of which is equipped with a milling cutter for initially cutting the two sides of the rod-shaped material, and the other station is equipped with a freely liftable jump cutter and a power source for driving the milling cutter, and is located downstream of the station equipped with the milling cutter, and the jump cutter is used to cut the upper and lower surfaces of the rod-shaped material; and a thickness cutting mechanism, including at least two stations, each station is equipped with at least one flat knife and a power source for driving the flat knife, and two adjacent flat knives are used to cut the upper and lower surfaces of bamboo respectively; and a width cutting mechanism, including at least one station, each station is equipped with two vertical knives and a power source for driving the vertical knives, and the two vertical knives are used to cut the left and right surfaces of the bamboo material. It also includes multiple feeding devices. The beneficial effect of the present invention is that it is used to realize the processing of cutting the two side surfaces and the upper and lower surfaces of the rod-shaped, and the feed amount of the tool is automatically adjusted during the processing.
Description
Technical Field
The invention relates to the technical field of processing and production, in particular to a multifunctional numerical control rough milling machine.
Background
The existing rough milling machine is a rough machine, and the requirements of users are far from being met. The processing technology is energy-saving and environment-friendly, and particularly the material utilization rate is extremely low, which is seriously behind the development needs of the times. Along with the gradual popularization of numerical control technology, the digital economy is developed vigorously, the requirements on processing machinery are higher and higher nowadays, the numerical control of the processing machinery is realized, and the intellectualization is the development requirement of the era. In the practice of scientific research and continuous years, a new generation of 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 material processing process is more scientific, labor-saving and environment-friendly.
The high-speed high-precision numerical control automatic wood turning machine comprises a bar clamping straight line pushing mechanism, wherein the bar clamping straight line pushing mechanism comprises a sliding block seat which is arranged on a frame and limited to move on a linear track, a bar side clamping and leaning platform which is mechanically fixed on the sliding block seat, a bar side clamping lever which is connected with the sliding block 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 feeding stop block and a withdrawing stop block which are mechanically fixed on the sliding block seat are respectively arranged on two sides of the power arm of the bar side clamping lever, the bar side clamping lever resistance arm and the bar side clamping platform form a bar clamp together, and the minimum distance between the bar side clamping lever resistance arm and the bar side clamping platform is equal to the diameter of a thin bamboo wood bar. The pushing mechanism involved in the high-speed high-precision numerical control automatic wood turning machine can only perform single discontinuous feeding, cannot perform continuous pushing feeding, is not suitable for manufacturers to improve production efficiency, and cannot perform multi-point clamping and multi-point numerical control cutting due to too few clamping points of the whole clamping mechanism.
Disclosure of Invention
The invention aims to solve 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 and realize the safety machinery of various cutting schemes, thereby being convenient and quick.
The technical scheme adopted for solving the technical problems is that the multifunctional numerical control rough milling machine comprises the following components along 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, the two sides of the rod-shaped material are cut for the first time, the other station is provided with a free lifting jump knife and a power source for driving the jump knife, the jump knife is positioned at the downstream of the station provided with the milling cutter, the jump knife 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 respectively used for cutting the upper surface and the lower surface of the rod-shaped material, 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 surface and the right surface of the rod-shaped material.
The invention is based on the principle that the rough cutting mechanism, the thickness cutting mechanism and the width cutting mechanism are used for processing the rod-shaped material, the rough cutting mechanism firstly cuts the left surface, the right surface, the upper surface and the lower surface of the rod-shaped material to remove rough parts, the strength of redundant parts is reduced, the thickness cutting mechanism is combined for cutting the upper surface and the lower surface of the rod-shaped material, the width cutting mechanism is combined for cutting the left surface and the right surface of the rod-shaped material, the abrasion of cutters used by the thickness cutting mechanism and the width cutting mechanism is reduced, and the quality of cut finished products is ensured.
Further, each station of the thickness cutting mechanism is provided with a first motor, first eccentric parts, first transmission parts and flat cutters, wherein the first eccentric parts and the first transmission parts are in equal number, the flat cutters are installed on the first eccentric parts in a one-to-one correspondence mode, and the first motor drives the first eccentric parts through the first transmission parts and drives the flat cutters to eccentrically rotate. Through the eccentric part for the feed of flat sword is a variable value, and not a fixed value, according to the surface difference of upper and lower face, realizes that the cutter floats, and the finished product face after the cutting is not only the face that does not have inclination, also can be the face of taking inclination, through motor drive eccentric part can, excellent in use effect and high efficiency.
Further perfecting, the station of the thickness cutting mechanism at the most downstream is provided with two flat cutters, and the two flat cutters 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 perfecting, the station of the width cutting mechanism is provided with a second motor, two second eccentric parts and a second transmission part, the two vertical cutters are respectively arranged on the two second eccentric parts, and the second motor drives the two second eccentric parts through the second transmission part and drives the two vertical cutters to eccentrically rotate. Through the eccentric part for the feed of standing the sword is a variable value, and not a fixed value, according to the surface difference of both sides face, realizes that the cutter floats, and the finished product face after the cutting is not only the face that does not have inclination, also can be the face of taking inclination, through motor drive eccentric part can, excellent in use effect and high efficiency.
Further perfecting, the station of the width cutting mechanism is also provided with two distance adjusting pieces, rod-shaped materials penetrate through the interval distance between the two distance adjusting pieces, the two distance adjusting pieces are positioned below the vertical cutter, the second motor drives the two second eccentric pieces through the second transmission piece, and the second eccentric pieces drive the distance adjusting pieces to move inwards or outwards. Considering that the width of each rod-shaped material is different, the two movable distance adjusting pieces can move inwards or outwards according to the width of the rod-shaped material, so that the rod-shaped materials with different widths can pass through, and the processing is convenient.
Further perfecting, the distance adjusting piece is provided with a first limiting piece and a second limiting piece which are arranged along the feeding direction and positioned on two sides of the vertical cutter, the distance adjusting piece is symmetrically provided with the first limiting piece and the second limiting piece, a rectangular plane is formed, and a distance for the rod-shaped materials to pass through is reserved between the first limiting piece and the second limiting piece. The two first limiting parts and the two second limiting parts are used for fixing the width and assisting in cutting, limit the rod-shaped materials and provide enough clamping constraint, so that the rod-shaped materials cannot move in cutting, the cutting effect is good, and two sides of the rod-shaped materials after fixing the width are smooth.
Further, one of the first limiting parts is fixedly arranged and serves as a positioning reference of the rod-shaped materials in width processing, and the other first limiting part can deviate inwards or outwards according to the whole width of the rod-shaped materials. Considering that the width of each rod-shaped material is different, the arrangement can realize automatic adaptive adjustment without personnel adjustment.
Further perfecting, a tensioning wheel mechanism is arranged between the flat knife and the power source to which the flat knife belongs. The flat knife and the power source to which the flat knife belongs are used as power transmission media through the belt, the belt has elasticity, namely the tension force of the belt needs to be ensured in use, so the tension of the belt is regulated through the tension wheel mechanism, the belt is always kept in a tension state, and the situation that the belt is slipped or broken due to overlarge tension force caused by insufficient 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 rod-shaped materials in the cutting process. The capability of the rod-shaped material for resisting stress in cutting processing is improved, shaking is reduced, and the cutting effect is improved.
Further perfecting, the second compresses tightly the piece and includes second mounting panel, second casting die and third casting die, the second mounting panel is installed the second and is compressed tightly the piece on the station with the second, the second casting die compresses tightly the shaft-like material and realizes the self-adaptation, the third casting die compresses tightly the both sides of shaft-like material and realizes the self-adaptation. The rod-shaped materials are pressed and limited from multiple directions, meanwhile, the first pressing piece and the second pressing piece have self-adaptability, and the using position can be automatically adjusted according to the thickness and the width of the rod-shaped materials and the outward inclined part, so that the stability of the 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 for pressing the rod-shaped material in the cutting process. The capability of the rod-shaped material for resisting stress in cutting processing is improved, shaking is reduced, and the cutting effect is improved.
Further perfecting, the first pressing piece comprises a first mounting plate and at least two first pressing pieces, the first mounting plate is used for mounting the first pressing piece on a station, and the first pressing pieces are used for pressing rod-shaped materials and realizing self-adaption. The rod-shaped material is pressed and limited, and meanwhile, the first pressing piece has self-adaptability, and the using position can be automatically adjusted according to the thickness of the rod-shaped material and the outwards inclined part, so that the stability of the 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 a group of upper feeding wheels and feeding wheels used for clamping the upper surfaces and the lower surfaces of rod-shaped materials, and the feeding devices are driven by one or more third motors.
Further, the lower feeding wheel is a positioning reference and is fixedly arranged on the straight rod, the upper feeding wheel can adaptively float, the upper feeding wheel 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 adaptively float, the lower feeding wheel 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 beneficial effects of the invention are as follows:
(1) The invention realizes the processing of the rod-shaped material, a plurality of mechanisms process the rod-shaped material at different positions, realizes one machine with multiple purposes, and processes irregular finished product patterns through 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 a plurality of times by a plurality of stations, redundant allowance is removed from the upper surface and the lower surface, 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 cutting mechanism is used for fixing the width of the rod-shaped material, 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) The invention can conveniently and rapidly adjust the machine by simply setting parameters according to the needs and the natural forms 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 view showing the arrangement of a rough cutting mechanism, a thickness cutting mechanism and a width cutting mechanism along a feeding direction portion of the present invention;
FIG. 2 is a schematic perspective view of one station in the width cutting mechanism of the present invention;
FIG. 3 is a schematic perspective view of a station in the rough cutting mechanism of the present invention;
FIG. 4 is a schematic perspective view of another station in the rough cutting mechanism of the present invention;
FIG. 5 is a schematic perspective view of another station in the rough cutting mechanism of the present invention;
FIG. 6 is a schematic plan view of a station in the thickness cutting mechanism of the present invention, driving a flat knife to adjust the feed;
FIG. 7 is a schematic plan view of another station in the thickness cutting mechanism of the present invention, driving a flat blade to adjust the feed;
FIG. 8 is a schematic plan view of another station in the thickness cutting mechanism of the present invention, driving a flat blade to adjust the feed;
FIG. 9 is a schematic plan view of a station in the width cutting mechanism of the present invention, driving the vertical cutter to adjust the feed;
FIG. 10 is a schematic perspective view of a station of the thickness cutting mechanism of the present invention with the addition of a tensioner mechanism to the power source;
FIG. 11 is a schematic perspective view of another station of the thickness cutting mechanism of the present invention with the addition of a tensioner mechanism to the power source;
FIG. 12 is a schematic perspective view of a second compression member according to the present invention;
FIG. 13 is a schematic view showing a perspective structure of a first pressing member of the present invention under a rod-shaped material;
FIG. 14 is a schematic view showing a perspective structure of a first pressing member for processing a rod-shaped material according to the present invention;
FIG. 15 is a schematic view showing the perspective structure of the first pressing member for processing the upper and lower surfaces of a rod-like material according to the present invention;
FIG. 16 is a schematic perspective view of a feeding device with a positive mounting according to the present invention;
FIG. 17 is a schematic perspective view of a feeder device with flip-chip mounting according to the present invention;
fig. 18 is a schematic perspective view of a rod-shaped material processed according to the present invention, in an unprocessed state and in four forms after processing.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1:
Referring to fig. 1, 2 and 18, the multifunctional numerical control rough milling machine comprises, along 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 a rod-shaped material, the other station is provided with a freely lifting jump cutter 1-2 and a power source for driving the jump cutter 1-2, and the rough cutting mechanism is positioned at the downstream of the station provided with the milling cutter 1-1, the jump cutter 1-2 is used for cutting the upper surface and the lower surface of the rod-shaped material, and
A thickness cutting mechanism 2 comprising at least two stations, each station being equipped with at least one flat blade 2-1 and a power source for driving the flat blade 2-1, and the two adjacent flat blades 2-1 being respectively used for cutting the upper and lower surfaces of the rod-shaped material, and
The width cutting mechanism 3 comprises at least one station, 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 surface and the right surface of the rod-shaped material.
The rough cutting mechanism 1 and the thickness cutting mechanism 2 are used for processing rod-shaped materials to obtain various types of rod-shaped materials, the four surfaces are planes, the upper surface and the lower surface are inclined surfaces, the left surface and the right surface are planes, the 3 surface and the lower surface are inclined surfaces, the left surface and the right surface are inclined surfaces, the 4 surface is inclined surface, the numerical control rough milling machine is particularly pointed out that a positioning probe is provided, the numerical value of the width and the thickness read by the positioning probe is the numerical value set by a worker before the numerical control rough milling machine is processed, and the numerical value obtained by combining the obtained numerical value of the shooting rod-shaped materials is compared with the numerical value set before the numerical control rough milling machine to obtain a difference value, the difference value is the cutting quantity, the automatic measurement is realized, the production efficiency is improved, and the power source is an asynchronous motor for driving a cutter shaft to perform cutting rotation.
Wherein the jump knife 1-2. The bamboo joint is the most hard part in the bamboo, and has large area, so that the damage to the cutter is large through single complete removal, the cutter can always collapse, the bamboo joint is firstly roughly machined, part of the bamboo joint is milled through the milling cutter, the whole area is reduced, the sheet-shaped part of the bamboo joint is removed, the root part is not machined, so that the strength of the bamboo joint is reduced, the bamboo joint part is completely cut off after entering the thickness cutting mechanism 2, the cutting wear caused by the cutters of the two parts is normal wear, the service life of the cutter is prolonged, and the maintenance times are reduced.
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, wherein the first eccentric parts 2-3 and the first transmission parts 2-4 are equal in number to the flat cutter 2-1, the flat cutter 2-1 is installed on the first eccentric parts 2-3 in a one-to-one correspondence mode, and the first motor 2-2 drives the first eccentric parts 2-3 through the first transmission parts 2-4 and drives the flat cutter 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 machining, then the cutting is performed once, the cutting amount is the difference value from the highest point to the lowest point, the surface of the rod-shaped material obtained after cutting is a plane without height difference, but the mode leads to limited shape of the rod-shaped material, the displayed shape and the displayed shape form can indirectly influence the use and the use quantity, the flat knife 2-1 needs to be manually adjusted for rod-shaped materials with different cutting requirements, each rod-shaped material needs to be positioned once and fed for adjustment, the difference value needs to be accurately calculated, the efficiency is low, the effect is poor, the use amount of the rod-shaped material is increased, and in order to increase the adaptability of the numerical control rough milling machine, the thickness cutting mechanism 2 is characterized in that the flat knife 2-1 in the thickness cutting mechanism 2 can be automatically adjusted, the flat knife 2-1 is installed through the first eccentric part 2-3, the cutter shaft for installing the flat knife 2-1 is rotatably connected in the first eccentric part 2-3 and is driven to rotate through a power source, the first motor 2-2 drives the 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 knife 2-1, the first motor 2-2 is a servo motor to automatically change the feeding amount according to the change of a cutting surface, the feeding depth of the flat knife 2-1 is gradually changed according to the difference of the height of a plane in cutting in the mode, the cutting amount of the whole section is ensured to be a floating value instead of a constant value without change, and a multi-mode of rod-shaped materials is realized, the material saving is characterized in that after the material saving is finished, two rod-shaped materials with the same shape and size are taken, one side surface of each rod-shaped material is provided with a part 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 be not in one-time linear movement, the abrasion of a machine is reduced through flexible transition of an arc, the machining precision of the machine can be ensured for a long time, the maintenance times are reduced, and the first transmission part 2-4 is a main transmission gear on the first motor 2-2 and a secondary transmission gear on the first eccentric part 2-3.
The thickness cutting mechanism 2 is provided with two flat knives 2-1 at the most downstream station, and the two flat knives are respectively used for cutting the upper surface of the rod-shaped material. The upper surface and the lower surface of the rod-shaped material are provided with parts to be cut, the parts have certain thickness and connection strength, single flat cutters 2-1 with different stations are utilized in the earlier processing, the parts are processed in a targeted manner by the flat cutter 2-1 with one station at the upper part and the flat cutter 2-1 with one station at the lower part, one-time processing in place is avoided, the increase of cutter abrasion is avoided, and the yield is also improved, so after the earlier 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, and the thickness of the rod-shaped material can be determined, so that the final thickness after the cutting processing is a numerical value set by a worker on a numerical control rough milling machine before the processing.
The station of the width cutting mechanism 3 is provided with a second motor 3-2, two second eccentric parts 3-3 and a second transmission part 3-4, the two vertical cutters 3-1 are respectively arranged 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 use principle of the width cutting mechanism 3 is identical to that of the thickness cutting mechanism 2, and the difference is that the width cutting mechanism 3 is aimed at two side surfaces and the thickness cutting mechanism 2 is aimed at the upper and lower surfaces, namely, the second motor 3-2 is also a servo motor, so that the automatic change of the feeding amount of the vertical cutter 3-1 according to the change of the cutting surface is realized.
The station of the width cutting mechanism 3 is also provided with two distance adjusting pieces 3-5, rod-shaped materials penetrate through the interval distance between the two distance adjusting pieces 3-5, the two distance adjusting pieces 3-5 are positioned below the vertical cutter 3-1, the second motor 3-2 drives the two second eccentric pieces 3-4 through a second transmission piece 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 equal-width rod-shaped materials, namely, when the rod-shaped materials pass through, the smooth passing of the rod-shaped materials is ensured, clamping is realized, the rod-shaped materials are prevented from being offset, so that 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 distance is inconsistent with the distance is avoided, a linear bearing sliding block/sliding rail pair is arranged at the lower end of each distance adjusting piece 3-5, and a cam is arranged on the second eccentric piece 3-3 and abuts against the sliding block of the linear bearing sliding block/sliding rail pair, and the sliding block is moved through friction force generated between the rotation of the cam and the sliding block, so that the distance adjusting pieces 3-5 are driven to move.
The distance adjusting piece 3-5 is provided with a first limiting piece 3-5a and a second limiting piece 3-5b which are arranged along the feeding direction and positioned on two sides of the vertical cutter 3-1, the two first limiting pieces 3-5a and the two second limiting pieces 3-5b on the distance adjusting piece 3-5 are symmetrically arranged, a rectangular plane is formed, and a space for rod-shaped materials to pass through is reserved between the two first limiting pieces 3-5a and between the two second limiting pieces 3-5 b. The two first limiting pieces 3-5a and the two second limiting pieces 3-5b can increase the stress resistance of the rod-shaped materials during processing, particularly the stress resistance of the cut part, avoid the condition that the rod-shaped materials jump up and down during cutting, and ensure that the side cutting effect is good. Meanwhile, the first limiting piece 3-5a and the second limiting piece 3-5b are plate bodies with the same shape, the end of the plate bodies, which is close to the vertical knife, is provided with an arc tangent to the cutting edge part of the vertical knife 3-1, and the method further optimizes and increases the stress resistance strength of the rod-shaped materials during processing.
One of the first limiting parts 3-5a is fixedly arranged and serves as a positioning reference of the rod-shaped materials in width processing, and the other first limiting part 3-5a can deviate outwards or inwards according to the whole width of the rod-shaped materials. In order to better improve the use effect of the numerical control rough milling machine, two first limiting pieces 3-5a can be adjusted according to the surplus materials with the side faces inclined outwards of the rod-shaped materials, the two first limiting pieces 3-5a are arranged to be movable and immovable, the first limiting pieces 3-5a are used as positioning references of the rod-shaped materials, namely, one side face of the rod-shaped materials abuts against the inner wall of the rod-shaped materials, the other side face of the rod-shaped materials is provided with the surplus materials inclined outwards and abuts against the inner wall of the rod-shaped materials, but the first limiting pieces 3-5a abutted against the parts move outwards or inwards according to the value of the surplus materials, the supporting springs 6 abutted against the outer side faces of the movable first limiting pieces 3-5a are arranged on the movable first limiting pieces 3-5a, the other ends of the supporting springs 6 are abutted against the positioning plates 7 vertically arranged on the outer side walls of the distance adjusting pieces 3-5, the positioning plates 7 are provided with extension plates 8 extending inwards, the extending plate 8 is provided with a chute 8-1, the chute 8-1 is provided with a front end opening 8-1a and a lower end opening 8-1b at the extending plate 8, the front end opening 8-1a and the lower end opening 8-1b are both provided with the first limiting piece 3-5a to pass through, the arrangement is not only for realizing the movement of the first limiting piece 3-5a, but also for preventing rotation during the movement, because the movement of the first limiting piece 3-5a is controlled by the supporting spring 6, the supporting spring 6 can bend leftwards and rightwards and tilt upwards under the influence of extrusion force without restriction after the supporting spring 6 is influenced, thus the width fixing effect can not be realized, the upper surface of the chute 8-1 is attached to the upper surface of the first limiting piece 3-5a by taking the chute 8-1 as restriction, and the extending plate 8 and the supporting spring 6 are symmetrically arranged on both sides, namely, two positioning points are provided, so that the first limiting piece 3-5a has good moving stability and can provide enough resistance to rod-shaped materials.
Example 2:
Referring to fig. 3, for a milling cutter 1-1 station of the rough cutting mechanism 1, the structure 1 is consistent or inconsistent with the structure of a station of a jump cutter 1-2, and comprises a fixed plate 9, a cutter shaft seat 10, a screw rod 11 and a top plate 12, wherein the cutter shaft seat 10 is positioned on the side part of the fixed plate 9 and movably connected to a dovetail pair 9-1 on the side part of the fixed plate 9, the screw rod 11 moves along the height direction, the milling cutter 1-1 is rotatably connected into the cutter shaft seat 10 through a cutter shaft, and the structure is simple and convenient to operate, 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 fig. 4, for the working position of the milling cutter 1-1 of the rough cutting mechanism 1, the working position structure of the milling cutter 1-1 can be consistent or inconsistent with that of the jump cutter 1-2, the structure 2 is 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 milling cutter are superior to those of a dovetail pair in the structure 1.
Example 4:
Referring to fig. 5, for the station of the cutter jump 1-2 of the rough cutting mechanism 1, the station structure of the cutter jump 1-1 can be consistent or inconsistent, the structure 3 is that two fixing plates 9 are symmetrically arranged, each fixing plate is provided with a centrally arranged sliding channel, a cutter shaft seat 10 is arranged in the sliding channel and moves along the height direction and is realized by a screw rod 11, wherein the cutter 1-1 is rotationally connected to the two cutter shaft seats 10 through the cutter shaft, 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 seat 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 surfaces of the top plate 12, the sliding channel is closed, a spring is arranged between the lower surfaces of the top plate 12 and the upper surfaces of the cutter shaft seats 10, and the spring self-resetting and self-telescoping characteristics enable the cutter jump 1-2 to realize free jump of the cutter jump when being extruded by rod-shaped materials, so that the rod-shaped materials can pass through when cutting is finished.
Example 5:
Referring to fig. 6, the flat knife 2-1 of the thickness cutting mechanism 2 is positioned below the rod-shaped material, and is provided with a first motor 2-2 and a first eccentric part 2-3, wherein the first motor 2-2 is positioned at the upper left part of the middle part of the station, the first eccentric part 2-3 is positioned at the obliquely lower position of the first motor 2-2 and is tangentially meshed with the main transmission gear through a secondary transmission gear, and the thickness cutting mechanism 2 is flexibly adjusted.
Example 6:
Referring to fig. 7, the flat knife 2-1 of the 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, wherein 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 upper inclined position of the first motor 2-2, and is tangentially meshed with a main transmission gear through a secondary transmission gear.
Example 7:
referring to fig. 8, the flat knife 2-1 of the thickness cutting mechanism 2 is located above and below the rod-shaped material, and has two first motors 2-2 and two first eccentric members 2-3, the two first motors 2-2 and the two first eccentric members 2-3 form a diagonal line of a rectangular plane, one first motor 2-2 and one first eccentric member 2-3 are on one side, the first motors 2-2 on the same side are meshed with the first eccentric members 2-3 tangentially through a main transmission gear and a secondary transmission gear, and are in slant fit, and the form of the position of the first motor 2-2 on one side is above the first eccentric members 2-3, the first motor 2-2 on one side is below the first eccentric members 2-3, so that when the upper surface and the lower surface of the rod-shaped material are synchronously processed, the flat knife can be subjected to synchronous feed amount adjustment.
Example 8:
Referring to fig. 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, wherein the two second eccentric parts 3-3 are symmetrically arranged and are engaged and matched through a secondary transmission gear, the second motor 3-2 is engaged and matched with one of the secondary transmission gears through a main transmission gear, and the other second eccentric part 3-3 is synchronously driven while the second eccentric part 3-3 is driven, so that synchronous processing of two side surfaces of the rod-shaped material is realized.
Example 9:
Referring to fig. 10 and 11, a tensioner mechanism 5 is arranged between the flat knife 2-1 and a power source to which the flat knife belongs. The tension wheel mechanism 5 comprises a swing arm 5-1 and a tension wheel 5-2 rotatably connected to the swing arm 5-1, the servo motor drives the eccentric part to rotate, the cutter is arranged to follow the rotation of the eccentric part to realize automatic feeding amount adjustment, and particularly, the cutter shaft rotates in the eccentric part and is an independent rotating part, the driving mode is used as a transmission part to transmit power to the cutter shaft by the belt, but the problem that the tension force is too large or too small due to the influence of feeding amount adjustment is considered, namely, the cutter moves upwards, namely, the belt is pulled, and the cutter moves downwards, so that the tension force of the belt is adjusted through the tension wheel mechanism 5, the tension wheel 5-2 swings through the swing arm 5-1, the tension force of the belt is released when swinging outwards, the belt pressure is reduced, the tension force is tensioned when swinging inwards, the tension force is increased, the cutting stability is ensured, and the cutting effect is good.
Example 10:
With reference to fig. 12, the milling cutter 1-1 is equipped with a second hold-down element 4 at the station to which it belongs for holding down rod-like material during the cutting process. The rod-shaped material is pressed, so that the stress generated by cutting is reduced, the processing stability is improved, and the processing effect is good.
The second pressing piece 4 comprises a second mounting plate 4-1, a second pressing piece 4-2 and a third pressing piece 4-3, the second mounting plate 4-1 is used for mounting the pressing piece 4 on a station, the second pressing piece 4-2 is used for pressing rod-shaped materials and realizing self-adaption, and the third pressing piece 4-3 is used for pressing two sides of the rod-shaped materials and realizing self-adaption. The second pressing piece 4-2 and the third pressing piece 4-3 are of two different structures, the parts contacted with the rod-shaped materials are different, the second pressing piece 4-2 adopts an L-shaped top plate, the part contacted with the rod-shaped materials on the top plate is in arc transition, the third pressing piece 4-2 adopts a pressing wheel, the pressing wheel and the second fixing shaft 4-3a are in constraint function and are in flexible contact, the corresponding contacted surfaces are not damaged, the using position can be automatically adjusted according to the thickness, the width and the outwards inclined parts of the rod-shaped materials, the second pressing piece 4-2 is connected to the first fixing shaft 4-2a in a rotating mode, the automatic adjustment is realized through the self-restoring piece 4-2b, the self-restoring piece 4-2b is a spring, the top plate is not moved under the stress condition, the spring 4-2b is extruded under the stress condition, the top plate is lifted upwards through the fixing shaft 4-2a, the pressing wheel is connected with the second fixing shaft 4-3a in a rotating mode, the second fixing shaft 4-3a is driven to rotate outwards to realize adjustment, and the pressing wheel is provided with two pressing wheels, each pressing wheel is propped against one side, the self-restoring piece 4-2b is automatically adjusted, and the self-restoring piece 4-3b is simultaneously, the self-restoring mechanism 4-2b is added, and the self-stability is realized, and the self-adjusting mechanism 4-can be realized, and the self-adjusting mechanism is realized.
Example 11:
Referring to fig. 13, a structure 1 is provided, wherein a flat knife 2-1 and a station to which the flat knife belongs are provided with a first pressing piece 14, the first pressing piece 14 is used for pressing rod-shaped materials in a cutting process, the first pressing piece 14 comprises a first mounting plate 14-1 and at least two first pressing pieces 14-2, the first mounting plate 14-1 is used for mounting the first pressing piece 14 on the station, the first pressing pieces 14-2 are used for pressing the rod-shaped materials upwards and realizing self-adaption, two first pressing pieces 14-2 are used for pressing the lower surface of the processed rod-shaped materials, all the two first pressing pieces 14-2 are pressed on the upper surface of the rod-shaped materials and are equidistant to the flat knife 2-1, the first pressing pieces 14-2 comprise adjustable pressing arms 14-2a and buffer pieces 14-2b, the adjustable pressing arms 14-2a are used for self-adaption to the thickness of the rod-shaped materials and swing upwards or downwards along with the surface thickness of the buffer pieces 14-2b, and the pressing arms 14-2a are kept downwards under the action of self-reset springs of the buffer pieces 14-2b, so that good pressing effects are achieved on the rod-shaped materials.
Example 12:
Referring to fig. 14, structure 2 is the same as structure 1 for the upper surface of the rod-shaped material to be processed.
Example 13:
referring to fig. 15, structure 3 is that, for the simultaneous processing of the upper and lower surfaces of the rod-shaped material, three first pressing members 14-2 are adopted unlike the structures 1 and 2, compared with the structures 1 and 2, one more first pressing member 14-2 is arranged, and considering that the flat cutters 2-1 on the upper and lower surfaces of the simultaneous processing of the rod-shaped material are distributed vertically and are staggered left and right, the processing points of stress caused by the flat cutters on the rod-shaped material are one more, so that the stress caused by the simultaneous processing of the two flat cutters 2-1 is reduced by adding one more first pressing member 14-2.
Example 14:
16-18, a 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 a group of upper feeding wheels and lower feeding wheels used for clamping the upper surfaces and the lower surfaces of rod-shaped materials, 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 adaptively float, the upper feeding wheel 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 adaptively float, the lower feeding wheel 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 length, thickness and inclination angle of thickness or inclination angle in width direction of the rod-shaped material have a functional relation, the functional relation is established by feeding speed and cutting speed, so that the aim of processing four finished products is fulfilled, meanwhile, an irregular finished product pattern B, C, D, E is processed by setting different functional relations, A is in an unprocessed state, a third motor is a servo motor, and numerical control of the rotation speed of the third motor can transmit the rotation speed to an upper feeding wheel and a lower feeding wheel in a lossless manner, so that the power transmission without step loss is realized.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the invention.
Claims (10)
1. The utility model provides a multi-functional numerical control rough milling machine which characterized in that includes along the direction of feed of shaft-like material:
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 a rod-shaped material, the other station is provided with a free lifting jump cutter (1-2) and a power source for driving the jump cutter (1-2), the rough cutting mechanism is positioned at the downstream of the station provided with the milling cutter (1-1), the jump cutter (1-2) is used for cutting the upper surface and the lower surface of the rod-shaped material, and
A thickness cutting mechanism (2) comprising at least two stations, each station being equipped with at least one flat blade (2-1), a power source for driving the flat blade (2-1), and two adjacent flat blades (2-1) for cutting the upper and lower surfaces of the rod-shaped material, respectively, and
The width cutting mechanism (3) comprises at least one station, 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 surface and the right surface of the rod-shaped material;
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) which are equal in number to the flat cutter (2-1), the flat cutter (2-1) is correspondingly arranged on the first eccentric parts (2-3), and the first motor (2-2) drives the first eccentric parts (2-3) through the first transmission parts (2-4) and drives the flat cutter (2-1) to eccentrically rotate;
The station of the thickness cutting mechanism (2) at the most downstream is provided with two flat cutters (2-1) which are respectively used for cutting the upper surface and the lower surface of the rod-shaped material;
The station of the width cutting mechanism (3) is provided with a second motor (3-2), two second eccentric parts (3-3) and a second transmission part (3-4), the two vertical cutters (3-1) are respectively arranged 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 station of the width cutting mechanism (3) is also provided with two distance adjusting pieces (3-5), rod-shaped materials penetrate through the interval distance between the two distance adjusting pieces (3-5), the two distance adjusting pieces (3-5) are positioned below the vertical cutter (3-1), the second motor (3-2) drives the two second eccentric pieces (3-3) through a second transmission piece (3-4), and the second eccentric pieces (3-3) drive the distance adjusting pieces (3-5) to move inwards or outwards.
2. The multifunctional numerical control rough milling machine according to claim 1, wherein the distance adjusting piece (3-5) is provided with a first limiting piece (3-5 a) and a second limiting piece (3-5 b) which are arranged along the feeding direction and positioned at two sides of the vertical cutter (3-1), the two first limiting pieces (3-5 a) on the two distance adjusting pieces (3-5) are symmetrically arranged, the two second limiting pieces (3-5 b) are symmetrically arranged, a rectangular plane is formed, and a space for rod-shaped materials to pass through is reserved between the two first limiting pieces (3-5 a) and between the two second limiting pieces (3-5 b).
3. The multifunctional numerical control rough milling machine according to claim 2, wherein one of the first limiting pieces (3-5 a) is fixedly arranged and serves as a positioning reference of the rod-shaped material in width processing, and the other first limiting piece (3-5 a) can deviate outwards or inwards according to the whole width of the rod-shaped material.
4. The multifunctional numerical control rough milling machine according to claim 1, wherein a tension wheel mechanism (5) is arranged between the flat knife (2-1) and a power source to which the flat knife belongs.
5. The multifunctional numerical control rough milling machine according to claim 1, characterized in that the milling cutter (1-1) and the station to which it belongs are equipped with a second hold-down element (4) for holding down rod-shaped material during cutting.
6. The multifunctional numerical control rough milling machine according to claim 5, wherein the second pressing piece (4) comprises a second mounting plate (4-1), a second pressing piece (4-2) and a third pressing piece (4-3), the second mounting plate (4-1) is used for mounting the second pressing piece (4) on a station, the second pressing piece (4-2) is used for pressing rod-shaped materials on the upper surface and realizing self-adaption, and the third pressing piece (4-3) is used for pressing rod-shaped materials on two sides and realizing self-adaption.
7. The multifunctional numerical control rough milling machine according to claim 1, characterized in that the flat knife (2-1) and the station to which it belongs are equipped with a first hold-down element (14) for holding down rod-shaped material during cutting.
8. The multifunctional numerical control rough milling machine according to claim 7, wherein the first pressing piece (14) comprises a first mounting plate (14-1) and at least two first pressing pieces (14-2), the first mounting plate (14-1) is used for mounting the first pressing piece (14) on a station, and the first pressing pieces (14-2) are used for pressing rod-shaped materials on the first pressing piece and realizing self-adaption.
9. The numerically controlled router of any of claims 1-8, further comprising a plurality of feeders, each feeder located between adjacent ones of all stations of the numerically controlled router, the feeders comprising sets of upper and lower feed wheels for gripping upper and lower faces of the rod-shaped material, and the feeders being driven by one or more third motors.
10. The multifunctional numerical control rough milling machine according to claim 9, wherein the lower feeding wheel is a positioning reference, the lower feeding wheel is fixedly installed on the straight rod, the upper feeding wheel can be self-adaptively floated, the upper feeding wheel is fixedly installed on the rod with a universal joint or the upper feeding wheel is a positioning reference, the lower feeding wheel is fixedly installed on the straight rod, the lower feeding wheel can be self-adaptively floated, the lower feeding wheel is fixedly installed on the rod with a universal joint, and the rod with a universal joint or the straight rod is in transmission connection with one or more third motors.
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| CN2113135U (en) * | 1991-11-30 | 1992-08-19 | 长沙市南区跃进竹器机械厂 | Bamboo strip machine with four faces milling cutter |
| CN107972134A (en) * | 2017-11-16 | 2018-05-01 | 童建勇 | A kind of bamboo chip splitting equipment and its operating method |
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