CN114211579A

CN114211579A - Cutting collection device for numerical control wood working lathe

Info

Publication number: CN114211579A
Application number: CN202111541286.0A
Authority: CN
Inventors: 陆卫斌
Original assignee: Xuzhou Fengzhan Machinery Co ltd
Current assignee: Xuzhou Fengzhan Machinery Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-03-22
Anticipated expiration: 2041-12-16
Also published as: CN114211579B

Abstract

The invention discloses a cutting and collecting device for a numerical control wood lathe, which comprises a supporting seat movably arranged on a lathe guide rail, a guide assembly horizontally arranged on the supporting seat and a collecting assembly arranged on the supporting seat, wherein the upper part of the supporting seat is provided with a processing hole for a tailstock upper tip and a workpiece to pass through, and the guide assembly can be movably arranged on the supporting seat and positioned outside the processing hole and used for receiving sawdust generated in the processing process; the collecting assembly is located below the guiding assembly and used for collecting the sawdust in the guiding assembly in a concentrated mode. The invention can collect the sawdust generated during cutting, and the collection and cutting can be synchronously carried out, thereby having high working efficiency.

Description

Cutting collection device for numerical control wood working lathe

Technical Field

The invention relates to a cutting and collecting device for a numerical control wood lathe, and belongs to the technical field of wood lathes.

Background

A wood lathe for cutting the surface of wood or the complex external surface of wood by turning tool is composed of a lathe bed, a headstock at the head of lathe bed, a guide track on lathe bed, a tailstock at tail of guide track, a tool rest between headstock and tailstock, a center on tailstock, a mainshaft on headstock and a power system for driving mainshaft. The workpiece to be processed is supported between the main shaft and the tip to do rotary motion, the turning tool is arranged on the tool rest, and the slide carriage belt acts to do longitudinal or transverse feeding action. But in the actual operation in-process, all can produce a large amount of saw-dusts after having processed at every turn, and piling up of long-time saw-dust all can produce very big influence to the processing of timber, knife rest assembly's work, so often need the workman just will clear up saw-dust once after the processing of accomplishing wood or a plurality of wood, troublesome poeration, waste time and energy.

However, in order to solve the problem of accumulation of wood chips, some wood chip collecting devices and methods have been developed, such as a full-automatic wood lathe disclosed as CN205466581U in 2016, 8, 17, which can be automatically cleaned, by additionally providing a cloth bag and a fan on one side of a lathe bed of the lathe, detecting a cutting state of a tool rest assembly through a position sensor, and when the cutting is completed, starting the fan to blow the wood chips on the lathe into the cloth bag for collection. The wood chip cleaning machine can realize the cleaning of wood chips, but has the following problems in the realization operation process: firstly, the operation of installing a fan and a cloth bag is complex; secondly, the fan is started to collect the sawdust after the cutting is finished, and the next workpiece can be cut only after the fan is stopped, so that the time is saved, and the working efficiency is low; thirdly, in order to realize the saw dust clearance, the fan is directly blown, and the sack capacity is limited, exists the saw dust and does not clear up totally, and the condition that the saw dust in the sack flies back to the lathe again under the effect of return air force takes place, and the clearance is not thorough.

Therefore, there is a need for a cutting and collecting device that can collect chips machined by lathes without affecting the machining operation of the workpiece.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a cutting and collecting device for a numerical control wood lathe, which can collect sawdust generated during cutting, can synchronously collect and cut and has high working efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme: a cutting and collecting device for a numerical control wood lathe comprises a supporting seat movably mounted on a lathe guide rail, a guide assembly horizontally arranged on the supporting seat and a collecting assembly mounted on the supporting seat, wherein a machining hole for allowing an upper tip of a tailstock and a workpiece to pass through is formed in the upper portion of the supporting seat, and the guide assembly is movably mounted on the supporting seat and positioned outside the machining hole and used for receiving sawdust generated in the machining process; the collecting assembly is located below the guiding assembly and used for collecting the sawdust in the guiding assembly in a concentrated mode.

Preferably, the supporting seat includes can follow the gliding bottom plate of lathe guide rail and vertically arranges the backup pad in the bottom plate top, and the processing hole is seted up in the backup pad, lie in the outside of processing hole in the backup pad and seted up the mounting groove, form the erection column between mounting groove and the processing hole, the direction subassembly is including arranging the guide post of the ring column shape in the mounting groove, installing and be used for driving the guide post along the drive assembly of erection column horizontal migration and installing the drainage post of keeping away from drive assembly one end at the guide post in the backup pad, the drainage post is used for carrying out the drainage to the saw-dust that cuts down, and the suit is outside the work piece promptly, causes the guide post with the saw-dust that produces in the course of working in, avoids the saw-dust to fly out to the outside.

Preferably, the driving assembly can include a plurality of cylinders, a plurality of chutes which are annularly arranged are arranged on the supporting plate opposite to the mounting grooves, the number of the chutes is consistent with that of the cylinders, a sliding block capable of moving along the chutes is mounted in each chute, a cylinder mounting hole is formed in each sliding block, the cylinder barrel of each cylinder is fixedly mounted on the sliding block, and the extending end of the piston of each cylinder is connected with the end of the guide column far away from the drainage column.

Preferably, the outer edge of the end part of the mounting column close to the drainage column is provided with a plurality of cleaning brushes which are uniformly distributed along the circumferential direction of the mounting column, and all the cleaning brushes form a circle along the periphery of the cleaning brushes to clean all the way.

Preferably, the axial cross section of the drainage column is a truncated-diagonal diamond shape or two isosceles trapezoids with overlapped lower bottoms, wherein the upper bottoms of the two isosceles trapezoids are equal, and the waist lengths are different; the chip removal hole is formed in the bottom of the drainage column, and a valve is installed at the chip removal hole.

Preferably, the drainage column is hinged with the guide column, a gap is reserved between the drainage column and the guide column, so that the drainage column can swing up and down along the guide column, and an elastic cover capable of preventing wood chips from leaking outwards is sleeved on the end part, connected with the guide column, of the drainage column; simultaneously, the guide table has been arranged to one side that is close to the drainage post above collecting the subassembly, install the pneumatic cylinder on the lateral wall of supporting seat or collection subassembly, the stiff end of pneumatic cylinder is articulated with the lower part of supporting seat or collection subassembly, and the piston rod of pneumatic cylinder stretches out the end and the guide table and keeps away from the one end lower part of collecting the subassembly articulated, and the other end and the collection subassembly of guide table are articulated. When the drainage column moves to the rightmost side of the guide table, the chip removal hole in the drainage column is positioned above the feed inlet of the collection assembly.

Preferably, the drainage post is equipped with two symmetrical arrangement's first articulated post on the tip that is close to the guide post downside, and is corresponding, the guide post is close to the tip of drainage post be equipped with first articulated post matched with second articulated post, accessible round pin hub connection between first articulated post and the second articulated post. At the moment, an arc-shaped groove matched with the lowest end of the drainage column is formed in the guide table between the drainage column and the guide column, and the drainage column can be driven by the driving assembly to move left and right along the guide table.

Preferably, the device also comprises a rotating assembly which is arranged on the supporting seat and used for driving the guide assembly to rotate and a scraper which is arranged in the supporting seat and is arranged at the end part of the mounting column close to the drainage column, wherein the rotating assembly can be rotatably arranged on the supporting seat and positioned outside the guide assembly and can drive the guide assembly to rotate together; when the rotating assembly drives the guide assembly to rotate, the scraping plates can scrape the sawdust adhered to the inner side wall of the guide column and the inner side wall of the drainage column.

Preferably, the rotating assembly comprises a cylindrical rotating shaft, a power mechanism for driving the rotating shaft to rotate and an end cover, a plurality of limiting grooves parallel to the shaft axis are formed in the inner side wall of the rotating shaft, limiting columns matched with the limiting grooves are formed in the outer side wall of the guide column, and the rotating shaft is arranged in the mounting groove and sleeved on the guide column; the outer side wall of the end part of the rotating shaft far away from the drainage column is provided with insections meshed with the output end of the power mechanism; and the end cover is provided with a guide hole for the guide post, the scraper and the workpiece to pass through and a fixing hole for fixed connection. The end cover can limit the rotating shaft in the mounting groove, so that the rotating shaft is prevented from moving axially.

Preferably, the collecting assembly comprises a hollow collecting box, a through hole is formed in the supporting seat, the collecting box is mounted above the through hole, and a discharge hole of the collecting box is arranged opposite to the through hole; a scrap outlet valve is arranged below the through hole.

Compared with the prior art, the invention has the following advantages:

firstly, in consideration of the fact that sawdust basically splashes towards the rear side of a tool rest during processing, the invention adopts a support seat movably arranged on a lathe guide rail, a guide assembly horizontally arranged on the support seat and a collecting assembly arranged on the support seat in combination with the splashing condition of the sawdust, wherein the upper part of the support seat is provided with a processing hole for a top on a tailstock and a workpiece to pass through, and the guide assembly is movably arranged on the support seat and positioned outside the processing hole and used for receiving sawdust generated during processing; the collecting assembly is positioned below the guide assembly and is used for collecting the sawdust in the guide assembly in a centralized manner; through the cooperation of each part, can collect the saw-dust that produces during the cutting, collect and can go on in step with the cutting, work efficiency is high.

Secondly, when the guide post is retracted under the action of the driving assembly, the cleaning brush can brush the sawdust on the inner side of the guide post down and brush the sawdust into the drainage post connected with the guide post, so that the sawdust can be prevented from entering between the guide post and the mounting post, the guide post can be ensured to be normally reset, and meanwhile, the sawdust collecting effect is improved.

Thirdly, the axial section of the drainage column is in the shape of a truncated rhombus or two isosceles trapezoids with superposed bottoms, the upper bottoms of the two isosceles trapezoids are equal, and the waist lengths of the two isosceles trapezoids are different; a chip removal hole (not shown in the figure) is arranged at the bottom of the drainage column 7, a valve is arranged at the chip removal hole, and the chips in the drainage column can be discharged by opening the valve.

Fourthly, the extension plate can be used for shielding the upper part and the lower part of the machined part of the workpiece, and the sawdust generated above and below the machined part during machining is also introduced into the flow guide column together, so that the sawdust is further reduced from splashing outwards. Further, the extension plate can be obliquely arranged towards the axis direction so as to ensure that the wood chips can slide into the drainage column under the action of gravity.

Fifthly, the drainage column can swing up and down relative to the guide column under the action of the hydraulic cylinder, so that sawdust in the drainage column can be discharged more conveniently, and the condition that the sawdust is accumulated on the inner wall of the drainage column is reduced. And the elastic cover sleeved on the end part of the drainage column connected with the guide column can prevent the sawdust from leaking from the gap.

Sixth, due to the arrangement of the rotating assembly and the scraping plate, when the rotating assembly drives the guide assembly to rotate, the scraping plate can scrape the sawdust adhered to the inner side wall of the guide column and the inner side wall of the drainage column, so that the sawdust collecting effect is further improved, and the sawdust is prevented from being accumulated on the inner side wall to influence subsequent actions.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is another schematic view of FIG. 1;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a schematic view of the present invention in a contracted state;

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

FIG. 6 is a schematic structural view of the end cap of the present invention;

FIG. 7 is a schematic structural view of a guide post according to the present invention;

FIG. 8 is a schematic structural view of a drainage column of the present invention;

FIG. 9 is another schematic view of FIG. 8;

fig. 10 is a front view of fig. 8.

Detailed Description

The technical solutions in the implementation of the present invention will be made clear and fully described below with reference to the accompanying drawings, and the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 10, the cutting and collecting device for a numerically controlled wood lathe provided by the present invention comprises a support base 1 movably mounted on a lathe guide rail, a guide assembly horizontally arranged mounted on the support base 1, and a collecting assembly 9 mounted on the support base 1, wherein a processing hole 121 for passing a tailstock upper tip and a workpiece is formed in the upper portion of the support base 1, and the guide assembly is movably mounted on the support base 1 outside the processing hole 121 and is used for receiving wood chips generated in a processing process; the collecting assembly 9 is positioned below the guiding assembly and is used for collecting the wood chips in the guiding assembly in a centralized manner.

Specifically, the supporting seat 1 includes a bottom plate 11 capable of sliding along a lathe guide rail and a supporting plate 12 vertically arranged above the bottom plate 11, a machining hole 121 is formed in the supporting plate 12, a mounting groove 122 is formed in the supporting plate 12 and located outside the machining hole 121, a mounting column 123 is formed between the mounting groove 122 and the machining hole 121, the guiding assembly includes a guide column 5 in an annular column shape arranged in the mounting groove 122, a driving assembly 2 installed on the supporting plate 12 and used for driving the guide column 5 to horizontally move along the mounting column 123, and a drainage column 7 installed at one end, far away from the driving assembly 2, of the guide column 5, the drainage column 7 is used for conducting drainage on cut wood chips, namely, the wood chips are sleeved outside a workpiece, the wood chips generated in the machining process are led to the drainage column 7, and the wood chips are prevented from flying outside. At this moment, can adopt welded mode to be connected between drainage post 7 and the guide post 5, also can connect through bolted connection's mode, if drainage post 7 can the suit at the tip of guide post 5 to be equipped with corresponding screw hole on the lateral wall of drainage post 7 and guide post 5, it can to reuse the bolt to pass the screw hole and connect.

When the device is used, the device is firstly arranged on a lathe guide rail and positioned between a tool rest and a tailstock, and the supporting seat 1 and the tool rest are connected so that the supporting seat and the tool rest can move together (for example, the lower end of the supporting seat 1 and the lower end of the tool rest can be connected through a connecting rod, the specific connection mode is not the protection key point of the invention, as long as the supporting seat and the tool rest can move synchronously, and the specific connection mode is not described in detail herein). At this time, the tool holder and the device are both positioned on the tailstock side, and the tip on the tailstock leaks out through the device and the tool holder. Before processing, the driving assembly 2 can be controlled to work, the guide column 5 and the drainage column 7 are pushed to move towards the direction close to the tool rest (the direction far away from the tailstock), so that the feed port of the drainage column 7 is close to the processing position on the tool rest, and the inlet of the drainage column 7 is close to the position to be processed of the workpiece when the workpiece is processed. Then will wait to process the work piece and place between main shaft and top, start tool rest work, realize the processing to the work piece, and the device will remove along with tool rest syntropy headstock direction, so when processing the work piece, drainage post 7 can be in real time with the saw-dust that cuts down to inside drainage, avoids the saw-dust outwards to splash, realizes the real-time collection to the saw-dust. Treat that work piece processing accomplishes the back, earlier control drive assembly 2 work, drive guide post 5 and drainage post 7 and remove to the direction of keeping away from the knife rest (the direction of being close to the tailstock), when making it keep the certain distance with the knife rest, can make the chip removal hole of drainage post 7 move to the top of collecting the subassembly, conveniently discharge the saw-dust in the drainage post 7 to collect in the subassembly 9, avoid the saw-dust to pile up in drainage post 7, and then can not lead to the fact the influence to taking off the work piece that has been processed. Meanwhile, the leakage of the sawdust can be avoided in the process of resetting the tool rest and the cutting collecting device (the tool rest and the cutting device move towards the direction of the tail seat in the same direction) after the workpiece is machined. And then the tool rest is controlled to move towards the tailstock direction and reset to the tailstock center, and the device and the tool rest move together without influencing the taking down of the processed workpiece between the main shaft and the center. By repeating the above operations, the processing of a plurality of workpieces can be sequentially realized.

As a further limitation of the present invention, the driving assembly 2 may include a plurality of cylinders, a plurality of annularly arranged sliding slots 124 are provided on the supporting plate at positions facing the mounting groove 122, the number of the sliding slots 124 is the same as the number of the cylinders, a sliding block (not shown in the figure) capable of moving along the sliding slots 124 is installed in each sliding slot 124, a cylinder mounting hole is provided on each sliding block, a cylinder barrel of the cylinder is fixedly installed on the sliding block, and a piston extension end of the cylinder is connected with an end portion of the guide post 5 far from the guide post 5; through the flexible of control cylinder, can drive guide post 5 and drainage post 7 along horizontal direction reciprocating motion to the control to drainage post 7 position is realized. The two cylinders are symmetrically arranged, considering the stress uniformity of the guide post 5 and the simpler and better overall structure.

Considering that the guide post 5 also has some saw-dust to fly to its inboard when outwards stretching out, in order to prevent this part saw-dust to hinder the reseing of guide post 5 (i.e. to withdrawal in backup pad 12), also in order to improve the effect that the saw-dust was collected, can be in the tip of erection column 123 is close to drainage post 7 is outer along establishing a plurality of along its circumference evenly distributed's cleaning brush (not drawn in the picture), when the guide post 5 is down retrieved under drive assembly 2's effect and contracts, the cleaning brush can be brushed down its inboard saw-dust to brush in the drainage post 7 that guide post 5 is connected, not only can avoid the saw-dust to get into between guide post 5 and the erection column 123, guarantee that guide post 5 can normally reset, still improved the saw-dust simultaneously and collected the effect.

As a further limitation of the present invention, as shown in fig. 8 to 10, the axial cross section of the drainage column 7 is a truncated rhombic shape or two isosceles trapezoids with overlapped lower bottoms, the upper bottoms of the two isosceles trapezoids are equal, and the waist lengths are different; a chip removal hole (not shown in the figure) is arranged at the bottom of the drainage column 7, a valve is arranged at the chip removal hole, and the chips in the drainage column can be discharged by opening the valve. The side length of the isosceles trapezoid close to one side of the guide post in the two isosceles trapezoids is larger than that of the isosceles trapezoid far away from one side of the guide post, an included angle between the middle waist line of the isosceles trapezoid close to one side of the guide post and the lower bottom is 30-60 degrees, and the effect of collecting the sawdust is optimal when the included angle is 40-45 degrees.

Preferably, the upper side and the lower side of the end part of the guide post 7 far away from the guide post 5 are provided with extension plates 71 protruding outwards, the extension plates 71 are used for shielding the upper part and the lower part of the part being processed of the workpiece, and sawdust generated above and below the processing part during processing is also introduced into the guide post 7 together, so that the outward splashing of the sawdust is further reduced. The extension plates 71 may be arranged obliquely to the axial direction in view of the introduction effect to ensure that the chips can slide down into the guide pillar 7 under the influence of gravity.

Considering that part of the sawdust is likely to be discharged from the sawdust discharging hole at the bottom of the drainage column 7 under the action of gravity and still adhered to the inner wall of the drainage column 7, in order to further improve the sawdust discharging effect in the drainage column 7, the drainage column 7 and the guide column 5 can be hinged, a gap is left between the drainage column 7 and the guide column 5 so that the drainage column 7 can swing up and down along the guide column 5, and an elastic cover capable of preventing sawdust from leaking is sleeved on the end part, connected with the guide column 5, of the drainage column 7; simultaneously, guide table 8 has been arranged to one side that is close to drainage post 7 above collecting assembly 9, install the pneumatic cylinder on supporting seat 1 or the lateral wall of collecting assembly 9, the stiff end of pneumatic cylinder is articulated with supporting seat 1 or the lower part of collecting assembly 9, and the piston rod of pneumatic cylinder stretches out the end and the guide table 8 and keeps away from the one end lower part of collecting assembly 9 and articulates, and the other end of guide table 8 is articulated with collecting assembly 9. As shown in fig. 10 to 13 in particular, two first hinge columns 72 symmetrically arranged are disposed on the upper and lower sides of the end portion of the drainage column 7 close to the guide column 5, correspondingly, a second hinge column 52 matched with the first hinge column 72 is disposed on the end portion of the guide column 5 close to the drainage column 7, and the first hinge column 72 and the second hinge column 52 can be connected by a pin shaft. At the moment, between drainage post 7 and guide post 5 be equipped with on the guide table 8 with drainage post 7 least significant end matched with arc recess, drainage post 7 can remove about along guide table 8 under drive assembly 2's drive. When the drainage column 7 moves to the rightmost side of the guide table 8, the chip removal hole in the drainage column 7 is positioned above the feed inlet of the collection assembly 9, and the chips in the drainage column 7 can be discharged by opening the valve; then the pneumatic cylinder is restarted, and the control pneumatic cylinder is reciprocal flexible, and drainage post 7 can vibrate from top to bottom under the drive of pneumatic cylinder, more is favorable to discharging the saw-dust in the drainage post 7, reduces the condition emergence that the saw-dust piles up on its inner wall. In consideration of the fact that the workpiece passes through the drainage column 7, the amplitude of vibration or oscillation is not large, and the workpiece at the center is not touched. After the workpiece is machined, when the drainage column 7 moves to the rightmost side of the guide table 8, the whole device and the tool rest move towards the tailstock together, the workpiece is still located at the center of the drainage column 7, the hydraulic cylinder is controlled to stretch and retract in a small range, the drainage column 7 vibrates in a small range, and sawdust can be discharged along with the vibration. Generally, the sawdust in the drainage column 7 can be basically discharged by small-amplitude vibration, and in order to further improve the chip discharge effect, after a reprocessed workpiece is taken down from a main shaft and a tip, before the workpiece is put into the next workpiece to be processed, the telescopic amplitude of the hydraulic cylinder is increased, so that the drainage column 7 vibrates to a larger extent, and the sawdust in the drainage column can be discharged more completely.

In order to further improve the sawdust discharging effect, the sawdust discharging device can further comprise a rotating component which is arranged on the supporting seat 1 and used for driving the guiding component to rotate, and a scraper 10 which is arranged in the supporting seat 1 and is provided with a mounting column 123 close to the end part of the drainage column 7, wherein the rotating component can be rotatably arranged on the supporting seat 1 and positioned outside the guiding component and can drive the guiding component to rotate together; when rotating assembly drove the direction subassembly and rotates, scraper blade 10 can scrape the adhesion down at 5 inside walls of guide post and the saw-dust on the part inside wall of drainage column, further improves the saw-dust and collects the effect, avoids the saw-dust to pile up on the inside wall and influences follow-up action. At the moment, two discharge ports are arranged on the guide assembly, and one discharge port is arranged at the bottom of the guide assembly in an original state (non-rotating state) and used for discharging chips normally; the other one is arranged at the position corresponding to the lowest position after the other one synchronously rotates for a preset angle (the final rotation state) and is used for discharging chips after rotation, and the other one can be controlled to reversely rotate to return to the original state after the chips are discharged.

As a further limitation of the present invention, the rotating assembly includes a cylindrical rotating shaft 4, a power mechanism 3 for driving the rotating shaft 4 to rotate, and an end cover 6, wherein the inner side wall of the rotating shaft 4 is provided with a plurality of limiting grooves 41 parallel to the axial lead, the outer side wall of the guide post 5 is provided with a limiting post 53 matched with the limiting grooves 41, and the rotating shaft 4 is arranged in the mounting groove 122 and sleeved on the guide post 5; the outer side wall of the end part of the rotating shaft 4 far away from the drainage column 7 is provided with insections meshed with the output end of the power mechanism 3, the insections do not completely cover a circle of the outer side wall of the rotating shaft 4, the rotating shaft 4 can rotate by a preset angle, and the preset angle can be designed according to the required rotating angle of the drainage column. As shown in fig. 2 to 5, when there are two drive assemblies 2, the number of scrapers 10 that can be provided is also two, and the rotation angle can be set to ninety degrees in conjunction with the structure of the guide post 5 in fig. 7.

The end cover 6 is provided with a guide hole 61 for the guide post 5, the scraper 10 and the workpiece to pass through and a fixing hole 62 for fixed connection. The end cap 6 may limit the rotation shaft 4 within the mounting groove 122 to prevent it from moving axially, and an outer sidewall (non-corrugated end) of the rotation shaft 4 may be rotatably mounted in the mounting groove 122 through a bearing. The power mechanism 3 can be controlled to work, the rotating shaft 4 can be driven by the power mechanism 3 to rotate, the guide column 5 and the drainage column 7 can rotate along with the limiting column 53 and the limiting groove 41, and sawdust adhered to the inner wall of the drainage column can be further scraped away under the action of the scraper 10, so that the sawdust in the drainage column can be discharged completely. Wherein, power unit 3 can adopt two-way servo motor, and two-way servo motor passes through support fixed mounting and is close to one side of tailstock at supporting seat 1, and the driving gear is installed to two-way servo motor's output, and the driving gear stretches into in the supporting seat and the insection meshing on the rotation axis. When starting two-way servo motor during operation, under the drive of driving gear, the direction subassembly of rotation axis 4 and its inboard will rotate together, realizes the clearance to the adhesion saw-dust on guide post 5 and the 7 inner walls of drainage post.

Specifically, the collecting assembly 9 comprises a hollow collecting box, a through hole is formed in the supporting seat 1, the collecting box is mounted above the through hole, and a discharge hole of the collecting box is arranged over against the through hole; the chip valve is installed to the below of perforating hole, and the collecting box can be collected the saw-dust that many times processing work piece produced, waits that it fills in or opens the chip valve again after reaching the certain degree and discharges the saw-dust of inside.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims

1. The cutting and collecting device for the numerical control wood lathe is characterized by comprising a supporting seat movably arranged on a lathe guide rail, a guide assembly and a collecting assembly, wherein the guide assembly is horizontally arranged on the supporting seat, the collecting assembly is arranged on the supporting seat, a machining hole for a tailstock upper tip and a workpiece to penetrate through is formed in the upper portion of the supporting seat, and the guide assembly is movably arranged on the supporting seat and positioned outside the machining hole and used for receiving sawdust generated in the machining process; the collecting assembly is located below the guiding assembly and used for collecting the sawdust in the guiding assembly in a concentrated mode.

2. The cutting and collecting device for the numerical control wood lathe according to claim 1, wherein the supporting seat comprises a bottom plate capable of sliding along a lathe guide rail and a supporting plate vertically arranged above the bottom plate, a machining hole is formed in the supporting plate, a mounting groove is formed in the supporting plate and located outside the machining hole, a mounting column is formed between the mounting groove and the machining hole, the guiding assembly comprises a guide column in an annular column shape and arranged in the mounting groove, a driving assembly mounted on the supporting plate and used for driving the guide column to horizontally move along the mounting column, and a drainage column mounted at one end of the guide column far away from the driving assembly, and the drainage column is used for draining the cut wood chips.

3. The cutting and collecting device for the numerical control wood lathe according to claim 2, wherein the driving assembly comprises a plurality of cylinders, a plurality of annularly arranged sliding grooves are formed in the positions, opposite to the mounting grooves, of the supporting plate, the number of the sliding grooves is equal to that of the cylinders, a sliding block capable of moving along the sliding grooves is mounted in each sliding groove, a cylinder mounting hole is formed in each sliding block, a cylinder barrel of each cylinder is fixedly mounted on each sliding block, and the extending end of a piston of each cylinder is connected with the end, far away from the drainage column, of the guide column.

4. The cutting and collecting device for the numerical control wood working lathe according to claim 2, wherein the outer edge of the end part of the mounting column close to the drainage column is provided with a plurality of cleaning brushes which are uniformly distributed along the circumferential direction of the mounting column, and all the cleaning brushes form a circle along the periphery of the cleaning brushes for cleaning in all directions.

5. The cutting and collecting device for the numerical control wood working lathe according to claim 2, wherein the axial section of the drainage column is a truncated rhombus or two isosceles trapezoids with the lower bottoms overlapped, the chip removal hole is formed in the bottom of the drainage column, and a valve is installed at the chip removal hole.

6. The cutting and collecting device for the numerical control wood working lathe according to claim 2, wherein the drainage column is hinged with the guide column, a gap is reserved between the drainage column and the guide column to enable the drainage column to swing up and down along the guide column, and an elastic cover capable of preventing sawdust from leaking outwards is sleeved on the end part, connected with the guide column, of the drainage column; a guide table is arranged on one side, close to the drainage column, above the collecting assembly, a hydraulic cylinder is mounted on the outer side wall of the supporting seat or the collecting assembly, the fixed end of the hydraulic cylinder is hinged with the lower part of the supporting seat or the collecting assembly, the extending end of a piston rod of the hydraulic cylinder is hinged with the lower part of one end, far away from the collecting assembly, of the guide table, and the other end of the guide table is hinged with the collecting assembly; when the drainage column moves to the rightmost side of the guide table, the chip removal hole in the drainage column is positioned above the feed inlet of the collection assembly.

7. The cutting and collecting device for the numerical control wood lathe according to claim 6, wherein the upper side and the lower side of the end part of the guide column close to the guide column are provided with two first hinge columns which are symmetrically arranged, correspondingly, the end part of the guide column close to the guide column is provided with a second hinge column which is matched with the first hinge column, and the first hinge column and the second hinge column can be connected through a pin shaft.

8. The cutting and collecting device for the numerical control wood lathe according to claim 2, further comprising a rotating assembly mounted on the supporting base for driving the guiding assembly to rotate and a scraper mounted in the supporting base at the end of the mounting post close to the drainage post, wherein the rotating assembly is rotatably mounted on the supporting base at the outer part of the guiding assembly and can drive the guiding assembly to rotate together; when the rotating assembly drives the guide assembly to rotate, the scraping plates can scrape the sawdust adhered to the inner side wall of the guide column and the inner side wall of the drainage column.

9. The cutting and collecting device for the numerical control wood working lathe according to claim 8, wherein the rotating assembly comprises a ring-shaped rotating shaft, a power mechanism for driving the rotating shaft to rotate and an end cover, a plurality of limiting grooves parallel to the shaft axis are formed in the inner side wall of the rotating shaft, limiting columns matched with the limiting grooves are formed in the outer side walls of the guide columns, and the rotating shaft is arranged in the mounting groove and sleeved on the guide columns; the outer side wall of the end part of the rotating shaft far away from the drainage column is provided with insections meshed with the output end of the power mechanism; and the end cover is provided with a guide hole for the guide post, the scraper and the workpiece to pass through and a fixing hole for fixed connection. The end cover can limit the rotating shaft in the mounting groove, so that the rotating shaft is prevented from moving axially.

10. The cutting and collecting device for the numerical control wood working lathe according to claim 1, wherein the collecting assembly comprises a hollow collecting box, the supporting seat is provided with a through hole, the collecting box is arranged above the through hole, and a discharge hole of the collecting box is arranged opposite to the through hole; a scrap outlet valve is arranged below the through hole.