CN112776094B - Saw-dust clearing device of numerical control wood cutting machine - Google Patents
Saw-dust clearing device of numerical control wood cutting machine Download PDFInfo
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- CN112776094B CN112776094B CN202110006173.4A CN202110006173A CN112776094B CN 112776094 B CN112776094 B CN 112776094B CN 202110006173 A CN202110006173 A CN 202110006173A CN 112776094 B CN112776094 B CN 112776094B
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- dust collection
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes 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
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G3/00—Arrangements for removing bark-zones, chips, waste, or dust, specially designed for use in connection with wood-working machine or in wood-working plants
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Sawing (AREA)
Abstract
The invention discloses a sawdust removing device of a numerical control wood cutting machine, which comprises a moving arm and a driving motor fixed at the lower end of the moving arm, wherein a book drawing shaft of the driving motor is fixedly connected with a cutting knife, a dust collection box is fixed on the side wall of the moving arm, the bottom box wall of the dust collection box close to one end of the moving arm is hermetically connected with a corrugated pipe, the lower end of the corrugated pipe is hermetically connected with a dust suction nozzle, and the top box wall of the dust collection box far away from the moving arm is fixedly provided with a negative pressure fan through a bolt. Has the advantages that: when the cutting machine works, the cutting knife is in contact with the wood board, the rolling ball is also in contact with the wood board, after the wood board is cut downwards by the cutting knife, the height difference is generated between the bottom of the cutting knife and the bottom of the rolling ball, so that the sliding rod pushes the conductive block to slide upwards in the fixed box, the conductive block is in contact with the resistance layer to enable the negative pressure fan to be electrified to work, and the dust suction nozzle timely cleans sawdust cut by the cutting knife through negative pressure air suction.
Description
Technical Field
The invention relates to the technical field of cutting machine equipment, in particular to a wood chip removing device of a numerical control wood cutting machine.
Background
The cutting machine is indispensable equipment in some light industry industries. In the conventional concept, the cutting machine is a machine which presses a cutting die by means of the acting force of the movement of the machine to cut and process the material. The recent cutting machines have changed a few, and advanced technologies such as high-pressure water beams, ultrasonic waves and the like are used in leather punching technologies, and the advanced technologies are summarized in cutting machine type equipment.
Present timber cutting machine is when cutting the wood, can produce a large amount of saw-dusts, the not only polluted environment of these saw-dusts is inhaled by the human body and will be caused bigger harm, and the clearing device simple structure on the current cutting machine, only inhale away the saw-dust through negative pressure convulsions, the electric energy circumstances is still being wasted in work to the scurf remover when the cutting machine does not cut can appear, current scurf remover is relatively poor to the clearance effect of saw-dust simultaneously and does not have the function according to cutting depth motionless automatically regulated adsorption strength.
Therefore, a sawdust removing device of a numerical control wood cutting machine is provided.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a sawdust removing device of a numerical control wood cutting machine.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a saw-dust clearing device of material machine is driven to numerical control timber, includes the shifting arm and fixes the driving motor at the shifting arm lower extreme, driving motor's book is taken out a fixedly connected with and is driven the material sword, be fixed with the dust collection box on the lateral wall of shifting arm, the dust collection box is close to shifting arm one end bottom tank wall sealing connection and has a bellows, the lower extreme sealing connection of bellows has the dust absorption mouth, the top tank wall that the shifting arm was kept away from to the dust collection box has negative-pressure air fan through the bolt fastening, negative-pressure air fan's exhaust column and the sealed intercommunication of dust collection box.
In foretell numerical control timber cutting machine's saw-dust clearing device, the fixed box of bottom fixedly connected with of dust collection box, sliding connection has the conducting block in the fixed box, the ground fixedly connected with a vertical slide bar of conducting block, the lower extreme of slide bar runs through the outer wall of fixed box, ball cover of lower extreme fixedly connected with of slide bar, roll in the ball cover and be connected with the spin, the minimum and the electrically conductive the being in same horizontal plane of opening the material sword of spin, fixed connection is on the slide bar in the connecting plate, the one end and the dust absorption mouth fixed connection of slide bar are kept away from to the connecting plate.
In foretell numerical control timber cutting machine's saw-dust clearing device, be provided with the first spring that is connected with conducting block up end and fixed box top inner wall in the fixed box, inlay on the inner wall of fixed box and be equipped with a resistance layer, negative-pressure air fan's two connect the electrical end and be connected through the upper end and the conducting block electricity of wire resistance layer respectively, and establish ties with external power supply jointly.
In foretell wood chip clearing device of numerical control timber cutting machine, the baffle of one side inner wall sealing connection who is close to negative-pressure air fan in the dust collection box, a dust absorption window has been seted up on the baffle, install the filter screen on the dust absorption window, negative-pressure air fan's one side is seted up flutedly is kept away from at the top of baffle, the intercommunication mouth has been seted up to sealed sliding connection piston plate in the recess on the lateral wall of recess, one side fixedly connected with second spring that the piston plate is close to the intercommunication mouth, the one end that the piston plate was kept away from to the second spring and the lateral wall fixed connection of recess, the top cell wall of recess is close to the position department fixedly connected with piezoceramics piece of intercommunication mouth, dust absorption window department is provided with electronic scraping rod, electronic scraping rod passes through the wire and is connected with piezoceramics piece electricity.
Compared with the prior art, the invention has the advantages that:
1. when the cutting machine works, the cutting knife is in contact with the wood board, the rolling ball is also in contact with the wood board, and after the cutting knife moves downwards to cut the wood board, the height difference is generated between the bottom of the cutting knife and the bottom of the rolling ball, so that the sliding rod pushes the conductive block to slide upwards in the fixed box, and the conductive block is in contact with the resistance layer to enable the negative pressure fan to be electrified and work, and the dust suction nozzle timely cleans the sawdust cut by the cutting knife through negative pressure air draft;
2. according to the invention, when the cutting machine finishes cutting the wood board and the wood board is replaced, the conductive block is separated from the resistance layer under the elastic action of the first spring after the cutting knife is lifted to a high wood height, so that the negative pressure fan is powered off, the waste of electric energy caused by the fact that the negative pressure fan is in an idle running state without wood dust cleaning in the wood replacing process is avoided, and the energy consumption is reduced;
3. in the process of cutting wood by the cutting machine, if the cutting depth of the cutting knife is deepened, the upward sliding height of the conductive block is increased, the conductive block and the resistance layer are equivalent to a slide rheostat, the power of the negative pressure fan is improved by reducing the resistance value and increasing the current value, so that wood chips in the cutting seam of the wood board are better absorbed, and the effect of automatically adjusting the absorption strength is achieved;
4. after saw-dust clearing device constantly works, when the net twine hole is blockked up by the saw-dust when more on the filter screen, the volume of air through the filter screen will be less than negative-pressure air fan and take away the volume of air, then the baffle will produce the atmospheric pressure difference, make the piston plate in the recess produce the slip and produce the electric current for the electronic pole power supply of scraping to piezoceramics piece pressurized, the electronic saw-dust that begins work after scraping the pole circular telegram and scrape off on the filter screen has the effect of automatic clearance filter screen, thereby guarantee saw-dust clearing device's dust absorption effect.
Drawings
Fig. 1 is a schematic structural diagram of a wood chip removing device of a numerical control wood cutting machine according to the present invention;
fig. 2 is an enlarged schematic view of a position a of the wood chip removing device of the numerical control wood cutting machine according to the present invention;
fig. 3 is a structural sectional view of a ball sleeve part in the wood chip removing device of the numerical control wood cutting machine according to the present invention.
In the figure: the device comprises a moving arm 1, a driving motor 2, a cutting knife 3, a dust collection box 4, a corrugated pipe 5, a dust suction nozzle 6, a negative pressure fan 7, a fixed box 8, a conductive block 9, a sliding rod 10, a resistance layer 11, a first spring 12, a connecting plate 13, a ball sleeve 14, a rolling ball 15, a baffle 16, a dust suction window 17, a filter screen 18, a groove 19, a communication port 20, a piston plate 21, a second spring 22, a piezoelectric ceramic block 23 and an electric scraping rod 24.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are only for illustrative purposes and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-3, a sawdust removing device of a numerical control wood cutting machine comprises a moving arm 1 and a driving motor 2 fixed at the lower end of the moving arm, a book drawing shaft of the driving motor 2 is fixedly connected with a cutting knife 3, a dust collection box 4 is fixed on the side wall of the moving arm 1, the bottom box wall of the bottom of one end, close to the moving arm 1, of the dust collection box 4 is hermetically connected with a corrugated pipe 5, the lower end of the corrugated pipe 5 is hermetically connected with a dust suction nozzle 6, a negative pressure fan 7 is fixed on the top box wall, far away from the moving arm 1, of the dust collection box 4 through bolts, and an exhaust pipe of the negative pressure fan 7 is hermetically communicated with the dust collection box 4.
The bottom of the dust collection box 4 is fixedly connected with a fixed box 8, a conductive block 9 is connected in the fixed box 8 in a sliding manner, a vertical slide rod 10 is fixedly connected to the ground of the conductive block 9, the lower end of the slide rod 10 penetrates through the outer wall of the fixed box 8, a ball sleeve 14 is fixedly connected to the lower end of the slide rod 10, a rolling ball 15 is connected in the ball sleeve 14 in a rolling manner, the inner wall of the ball sleeve 14 and the rolling ball 15 are smooth, the rolling ball can conveniently follow and roll with smaller resistance on a wood plate along with the movement of the cutting knife 3, the lowest point of the rolling ball 15 and the most conductive of the cutting knife 3 are positioned on the same horizontal plane, the slide rod 10 is fixedly connected with a connecting plate 13, one end of the connecting plate 13 far away from the slide rod 10 is fixedly connected with a dust suction nozzle 6, a first spring 12 connected with the upper end face of the conductive block 9 and the inner wall at the top of the fixed box 8 is arranged in the fixed box 8, a resistor layer 11 is embedded in the inner wall of the fixed box 8, and two electric connection ends of the negative pressure fan 7 are respectively electrically connected with the conductive block 9 through the upper end of the wire resistor layer 11, and the negative pressure fan and the external power supply are connected in series, when the cutting knife 3 is not cutting, the position of the magnetic block 14 in the fixed box 8 is just not contacted with the resistance layer 11, and the negative pressure fan 7 is not electrified and is in a stop working state.
One side inner wall sealing connection who is close to negative-pressure air fan 7 in dust collection box 4 has a baffle 16, a dust absorption window 17 has been seted up on the baffle 16, install filter screen 18 on the dust absorption window 17, negative-pressure air fan 7's one side has been seted up at the top of baffle 16, sealed sliding connection piston plate 21 in the recess 19, intercommunication mouth 20 has been seted up on the lateral wall of recess 19, one side fixedly connected with second spring 22 that piston plate 21 is close to intercommunication mouth 20, the one end that piston plate 21 was kept away from to second spring 22 and the lateral wall fixed connection of recess 19, the top cell wall of recess 19 is close to the position department fixedly connected with piezoceramics piece 23 of intercommunication mouth 20, dust absorption window 17 department is provided with electronic wiping rod 24, electronic wiping rod 24 passes through the wire and is connected with piezoceramics piece 23 electricity.
In the invention, when a cutting machine works, after a cutting knife 3 is contacted with a wood board, the rolling ball 15 is also contacted with the wood board, and after the cutting knife 3 moves down to cut the wood board, the bottom of the cutting knife 3 and the bottom of the rolling ball 15 have a height difference, so that the sliding rod 10 pushes the conductive block 9 to slide upwards in the fixed box 8, the negative pressure fan 7 is electrified to work when being contacted with the resistance layer 11, negative pressure is generated in the box corrugated pipe 5 in the dust collection box 4, the dust suction nozzle 6 cleans the wood chips cut by the cutting knife 3 in time through negative pressure air draft, when the cutting machine finishes cutting the wood board, and when the wood board is replaced, the conductive block 9 is separated from the resistance layer 11 under the elastic force of the first spring 12 after the cutting knife 3 is lifted to a high wood height, the negative pressure fan 7 is powered off, and the waste of electric energy caused by the condition that the negative pressure fan 7 is in an idle running state during replacing the wood is avoided, the energy consumption is reduced.
In the process of cutting wood by the cutting machine, if the cutting depth of the cutting knife 3 is deepened, the upward sliding height of the conductive block 9 is increased, the conductive block 9 and the resistance layer 11 are equivalent to a slide rheostat, the power of the negative pressure fan 7 is improved by reducing the resistance value and increasing the current value, so that wood chips in the cutting seam of the wood board are better absorbed, and the effect of automatically adjusting the adsorption strength is achieved.
After the sawdust removing device works continuously, the sawdust on the filter screen 18 in the dust collecting box 4 increases continuously, so that when the meshes on the filter screen 18 are blocked more, the sawdust suction effect will be reduced, the air draft efficiency of the negative pressure fan 7 will not be reduced, so that the air quantity passing through the filter screen 18 is lower than the air quantity pumped by the negative pressure fan 7, the air pressure in the space on the side of the baffle 16 close to the negative pressure fan 7 will be lower than the air pressure in the space on the side of the top plate 16 close to the bellows 5, so that the piston plate 21 in the groove 21 overcomes the elastic force of the second spring 22 to slide under the action of the air pressure difference and extrude the piezoelectric ceramic block 23, the piezoelectric ceramic block 23 is pressed to generate current to supply power to the electric scraping rod 24, the electric scraping rod 24 starts to work after being electrified to scrape the sawdust on the filter screen 18, the meshes are opened, the dust suction effect of the sawdust removing device is guaranteed, and the effect of automatically cleaning the filter screen is achieved.
Although the terms of the moving arm 1, the driving motor 2, the cutting blade 3, the dust box 4, the bellows 5, the dust suction nozzle 6, the negative pressure fan 7, the fixing box 8, the conductive block 9, the sliding rod 10, the resistance layer 11, the first spring 12, the connecting plate 13, the ball sleeve 14, the rolling ball 15, the baffle 16, the dust suction window 17, the filter net 18, the groove 19, the communication port 20, the piston plate 21, the second spring 22, the piezoelectric ceramic block 23, the electric scraper 24, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (1)
1. The sawdust removing device of the numerical control wood cutting machine comprises a moving arm (1) and a driving motor (2) fixed at the lower end of the moving arm, and is characterized in that an output shaft of the driving motor (2) is fixedly connected with a cutting knife (3), a dust collection box (4) is fixed on the side wall of the moving arm (1), the bottom box wall of one end, close to the moving arm (1), of the dust collection box (4) is connected with a corrugated pipe (5) in a sealing mode, the lower end of the corrugated pipe (5) is connected with a dust suction nozzle (6) in a sealing mode, a negative pressure fan (7) is fixed on the top box wall, far away from the moving arm (1), of the dust collection box (4) through bolts, and an exhaust pipe of the negative pressure fan (7) is communicated with the dust collection box (4) in a sealing mode;
the bottom of the dust collection box (4) is fixedly connected with a fixed box (8), a conductive block (9) is connected in the fixed box (8) in a sliding mode, a vertical sliding rod (10) is fixedly connected to the ground of the conductive block (9), the lower end of the sliding rod (10) penetrates through the outer wall of the fixed box (8), a ball sleeve (14) is fixedly connected to the lower end of the sliding rod (10), a rolling ball (15) is connected in the ball sleeve (14) in a rolling mode, the lowest point of the rolling ball (15) and the highest conductivity of the cutting knife (3) are located on the same horizontal plane, the sliding rod (10) is fixedly connected to a connecting plate (13), and one end, far away from the sliding rod (10), of the connecting plate (13) is fixedly connected with a dust collection nozzle (6);
a first spring (12) connected with the upper end surface of the conductive block (9) and the inner wall of the top of the fixed box (8) is arranged in the fixed box (8), a resistance layer (11) is embedded on the inner wall of the fixed box (8), and two electric connection ends of the negative pressure fan (7) are respectively and electrically connected with the conductive block (9) through the upper end of the wire resistance layer (11) and are commonly connected with an external power supply in series;
a baffle (16) is hermetically connected with the inner wall of one side close to the negative pressure fan (7) in the dust collection box (4), a dust collection window (17) is formed in the baffle (16), a filter screen (18) is installed on the dust collection window (17), a groove (19) is formed in one side, away from the negative pressure fan (7), of the top of the baffle (16), a piston plate (21) is hermetically and slidably connected in the groove (19), a communication port (20) is formed in the side wall of the groove (19), a second spring (22) is fixedly connected to one side, close to the communication port (20), of the piston plate (21) in the piston plate (21), the side wall of the groove (19) is fixedly connected with the piezoelectric ceramic block (23) at the position, close to the communication port (20), of the top groove wall of the groove (19), an electric scraping rod (24) is arranged at the dust collection window (17), the electric scraping rod (24) is electrically connected with the piezoelectric ceramic block (23) through a lead.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110006173.4A CN112776094B (en) | 2021-01-05 | 2021-01-05 | Saw-dust clearing device of numerical control wood cutting machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110006173.4A CN112776094B (en) | 2021-01-05 | 2021-01-05 | Saw-dust clearing device of numerical control wood cutting machine |
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| CN112776094A CN112776094A (en) | 2021-05-11 |
| CN112776094B true CN112776094B (en) | 2022-05-10 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114192887A (en) * | 2021-12-15 | 2022-03-18 | 洪伟杰 | Four-process vertical numerical control engraving machine |
| CN114378906B (en) * | 2022-01-15 | 2022-09-27 | 乐捷家居股份有限公司 | Scrap cleaning device for cutting furniture board and using method thereof |
| CN114393514A (en) * | 2022-01-19 | 2022-04-26 | 江西苏煜新能源科技有限公司 | High-speed grinding device is used in processing of photovoltaic silver thick liquid |
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| US8082825B2 (en) * | 2009-06-09 | 2011-12-27 | Butler David J | Health and safety system for a table saw |
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| CN106268068A (en) * | 2015-05-18 | 2017-01-04 | 天津市郁峰化工有限公司 | A kind of novel environment friendly sack cleaner |
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Effective date of registration: 20220424 Address after: 351100 Shixi village, Jiangkou Town, Hanjiang District, Putian City, Fujian Province (shiting Development Zone) Applicant after: Putian Yangxin Machinery Co.,Ltd. Address before: 201900 Shanghai Yilin New Energy Technology Co.,Ltd., Building 2, No.561, Feiyun Road, Baoshan District, Shanghai Applicant before: Ju Gaomei |
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