CN115365253B - Timber dust collector that polishes of dust pollution reduces - Google Patents

Timber dust collector that polishes of dust pollution reduces Download PDF

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Publication number
CN115365253B
CN115365253B CN202211304393.6A CN202211304393A CN115365253B CN 115365253 B CN115365253 B CN 115365253B CN 202211304393 A CN202211304393 A CN 202211304393A CN 115365253 B CN115365253 B CN 115365253B
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China
Prior art keywords
dust
wood
assembled
hook
polishing
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CN202211304393.6A
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Chinese (zh)
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CN115365253A (en
Inventor
王志娥
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Suqian Qingong Sewing Equipment Co ltd
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Suqian Qingong Sewing Equipment Co ltd
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Priority to CN202211304393.6A priority Critical patent/CN115365253B/en
Publication of CN115365253A publication Critical patent/CN115365253A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/007Fume suction nozzles arranged on a closed or semi-closed surface, e.g. on a circular, ring-shaped or rectangular surface adjacent the area where fumes are produced
    • B08B1/12
    • B08B1/30
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/06Dust extraction equipment on grinding or polishing machines
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y02A50/2351Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust

Abstract

The invention discloses a wood polishing and dedusting device capable of reducing dust pollution, and belongs to the technical field of wood polishing and dedusting. The device mainly comprises a protective cover, a sealer, a movable dust collector, a hoisting device, a dust remover and the like. By using the device provided by the invention, the problems that the existing wood polishing equipment can only absorb and remove dust through nearby dust removing equipment or the dust removing equipment of the equipment can prevent the diffusion of wood dust from influencing the health of workers and has great fire hidden danger when in use are effectively solved.

Description

Timber dust collector that polishes of dust pollution reduces
Technical Field
The invention relates to the technical field of wood polishing and dedusting, in particular to a wood polishing and dedusting device capable of reducing dust pollution.
Background
The timber is before practical shaping, needs to cut, various processes such as dry polishing, when needs are handled ligneous surface, and timber polishing process is indispensable processing method, can take out the burr on timber surface, demonstrate original line, the texture of timber, perhaps be convenient for the bonding of timber.
Dust, which is a solid particulate suspended in air, is conventionally known by many names such as dust, smoke, dust, sand, powder, etc., which are not clearly defined, and solid suspended matter having a particle size of less than 75 μm is defined as dust, and in life and work, productive dust is a natural enemy of human health and is a main cause of inducing various diseases, and some combustible dust is extremely liable to cause explosion or fire after reaching a certain concentration.
Most of the wood polishing devices in the prior art are simple in structure, not adjustable, low in polishing effect, inconvenient for users to use and low in practicality. The utility model provides a furniture timber grinding device in chinese patent publication No. CN206405849U, the device can fix a position the plank of polishing, adjusts according to actual need, and application range is extensive, can be suitable for the needs of polishing of the timber plank of equidimension not, and the surface of polishing is level. But this patent lacks dust collector, can produce a large amount of raise dust when timber is polished and is handled, and this kind of raise dust is the saw-dust generally, and the ignition is low, if not in time handles probably produces dust explosion or conflagration, causes loss and life safety to the dust that scatters during processing can pollute workshop environment, also can influence staff's health.
Therefore, the combustible dust generated in the wood polishing process is a problem which is necessarily eliminated by processing enterprises, and in view of the above problems, it is necessary to provide a wood polishing and dust removing device for reducing dust pollution.
Disclosure of Invention
The invention aims to provide a wood polishing and dedusting device capable of reducing dust pollution, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a timber dust collector that polishes that reduces dust pollution, includes the protection casing, the protection casing includes the equipment roof beam, the equipment roof beam constitutes a support that can cover timber processing equipment, is equipped with the panel that prevents timber powder diffusion in the outside of support;
the top end of the protective cover is provided with a sealer, the sealer comprises two sets of winders which are symmetrically arranged, a supporting cloth capable of being relaxed and winded is arranged in the winders, and a movable dust collector capable of sliding back and forth is arranged in the middle of the supporting cloth;
the movable dust collector comprises a collection mechanism for collecting wood dust, the top end of the collection mechanism is connected to the input end of the external dust collector through a pipeline, and a hanger is sleeved outside the pipeline;
the hoisting device comprises a sleeve, a semicircular buffer expanding outwards is integrally formed at the outer side end of the sleeve, an adhesive sheet with double-sided adhesive is spirally adhered to the inside of the sleeve, a connecting rod is welded at the outer side end of the buffer, and a hoisting hook is assembled at the outer side of the connecting rod;
the inside of protection casing is equipped with fixed connector and the dust remover of collecting the saw-dust of absorbing, connector and dust remover all are connected to the input of outside dust remover through pipeline structure.
Preferably, the front and rear surfaces of the assembly beam are respectively provided with a set of side fixing plates, and the side surfaces of the assembly beam are respectively provided with a cover plate.
Preferably, the feed inlet for material to get into is offered to the outside of side fixed plate, and the inside of feed inlet is equipped with the mounting through the bolt, the inboard of mounting is equipped with the feed inlet dust guard.
Preferably, the inner side of the cover plate at the top end is provided with a guide rail, and the inner side of the guide rail is provided on the outer surface of the support cloth.
Preferably, the inside of supporting cloth is equipped with the slider, the outside of slider is assembled at the internal surface of guide rail, the middle part of slider is equipped with the connecting pipe that is used for being connected with outside dust remover, the bottom of connecting pipe is equipped with the dust removal piece, the bottom of dust removal piece is equipped with the parcel brush of brush.
Preferably, the sleeve shaft is welded at the outer side end of the connecting rod, and the number of the sleeve shaft and the connecting rod is at least 4.
Preferably, the hoisting hook comprises a semicircular left hook and a semicircular right hook, the bottoms of the left hook and the right hook are provided with sleeve-shaped sleeving structures assembled into sleeves, and bolts are assembled on the outer sides of the left hook and the right hook.
Preferably, the connector comprises a first dust collecting pipe, a supporting pipe is welded at the inner side end of the first dust collecting pipe, a connecting assembly is assembled at the top end of the supporting pipe, and a plurality of sets of connectors are welded at the top end of the connecting assembly.
Preferably, the dust remover comprises a second dust collecting pipe, a dust hood is welded at the inner side end of the second dust collecting pipe, and a dust collection opening is formed in the outer side of the dust hood.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a protective cover with targeted dust removal and auxiliary dust removal inside, which is manufactured and installed according to the size of processing equipment when in use, and then a movable dust collector which moves synchronously with the processing grinding tool inside is connected with a connector of a local fixed dust collection connecting piece and an open type free dust collection dust collector.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a mobile dust collector according to the present invention;
FIG. 3 is a schematic view of a hoist according to the present invention;
FIG. 4 is a schematic diagram of the overall structure assembly of the present invention;
FIG. 5 is a schematic view of a connector of the present invention in a cut-away assembly;
fig. 6 is a schematic view of a dust collector of the present invention in a cut-away assembly.
In the figure: 1. the dust collector comprises a movable dust collector body 11, a dust removing part 12, a wrapping brush 13, a sliding block 14, a connecting pipe 2, a lifting device 21, a sleeve pipe 22, a buffer 23, an adhesive sheet 24, a connecting rod 25, a sleeve shaft 3, a lifting hook 31, a left hook 32, a right hook 33, a bolt 4, a sealing device 41, a winding device 42, a supporting cloth 5, a protective cover 51, an assembly beam 52, a side fixing plate 53, a fixing part 54, a feed inlet dust-proof plate 55, a cover plate 56, a guide rail 6, a connector 61, a first dust collecting pipe 62, a supporting pipe 63, a connecting component 64, a connector 7, a dust remover 71, a second dust collecting pipe 72, a dust collecting cover 73 and a dust collecting opening.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a reduce dust pollution's timber dust collector that polishes, includes protection casing 5, and protection casing 5 includes equipment roof beam 51, and equipment roof beam 51 constitutes a support that can cover timber processing equipment, is equipped with the panel that prevents timber powder diffusion in the outside of support.
The top of protection casing 5 is equipped with sealer 4, and sealer 4 includes two sets of symmetry sets up rolling ware 41, and the inside of rolling ware 41 is equipped with the support cloth 42 that can relax and roll up, and the middle part of support cloth 42 is equipped with the removal dust collector 1 that can slide back and forth.
The movable dust collector 1 comprises a collecting mechanism for collecting wood dust, the top end of the collecting mechanism is connected to the input end of the external dust collector through a pipeline, and a hoisting device 2 is sleeved outside the pipeline.
The hanger 2 comprises a sleeve 21, a semicircular buffer 22 expanding outwards is integrally formed at the outer side end of the sleeve 21, an adhesive piece 23 with double-sided adhesive is spirally adhered to the inner side of the sleeve 21, a connecting rod 24 is welded at the outer side end of the buffer 22, and a hanging hook 3 is assembled at the outer side of the connecting rod 24.
The interior of the protective cover 5 is provided with a connector 6 and a dust remover 7 for fixedly absorbing and collecting wood dust, and the connector 6 and the dust remover 7 are connected to the input end of the external dust remover through a pipeline structure.
The invention provides a protective cover 5 with targeted dust removal and auxiliary dust removal inside, when in use, the protective cover 5 is manufactured and installed according to the size of processing equipment, and then a movable dust collector 1 which synchronously moves with a processing grinding tool inside is connected with a connector 6 of a local fixed dust collection connecting piece and an open type dust collector 7 of free dust collection. When the wood polishing device is used, wood dust generated by polishing and even cutting equipment can be sucked away through the plurality of dust removing devices, and then the wood polishing device is filtered and separated through an external dust remover, so that the problems that the existing wood polishing device can only absorb and remove dust through the nearby dust removing devices or the dust removing devices with the devices are used for preventing the diffusion of the wood dust from affecting the health of workers and having great fire hazards are effectively solved.
Further, the front and rear surfaces of the assembly beam 51 are respectively equipped with a set of side fixing plates 52, the sides of the assembly beam 51 are respectively equipped with cover plates 55, the cover plates 55 are installed at the left, right, and upper sides of the assembly beam 51 for covering the equipment, and the assembly beam 51 adopts a profile structure, so that convenience in cutting and assembling according to the size can be achieved.
Further, the feed inlet for material entering is formed in the outer side of the side fixing plate 52, the fixing piece 53 is assembled in the feed inlet through the bolts, the feed inlet dust-proof plate 54 is assembled in the inner side of the fixing piece 53, the feed inlet dust-proof plate 54 can be supported to be at a fixed angle through the assembly and the support of the fixing piece 53, and the effect of preventing dust diffusion of the wood inlet and the wood outlet of the equipment is improved.
Further, the inside of the cover plate 55 at the top end is fitted with a guide rail 56, and the inside of the guide rail 56 is fitted to the outer surface of the support cloth 42. In use, the retractor 41 is a retractor with a spiral elastic band inside, having an elastic force, which is released outwards when it is subjected to a tensile force, and which will retract the support cloth 42 when it is lost. Specifically, the supporting cloth 42 is waterproof and dustproof and has a certain toughness, preferably nylon is used as a waterproof cloth material of which the outside of the framework is sprayed with rubber or polyethylene plastic, when the sliding block 13 moves back and forth along with the automatic polishing equipment, the upper opening can be sealed in real time, and the left and right movement of the dust removing piece 11 at the bottom end of the sliding block 13 ensures the displacement allowance through the soft and bent redundant connecting pipe 14.
Further, the inside of the support cloth 42 is equipped with a slider 13, the outside of the slider 13 is equipped on the inner surface of the guide rail 56, the middle of the slider 13 is equipped with a connection pipe 14 for connection with an external dust collector, the bottom end of the connection pipe 14 is equipped with a dust removing member 11, and the bottom end of the dust removing member 11 is equipped with a brush-type wrapping brush 12. A wire rope is connected between the slider 13 and the displacement portion of the sander, so that displacement caused by the movement is transmitted to the slider 13. Moreover, the invention not only can be used for semi-automatic wood polishing equipment, but also can reduce the size, and the dust removing piece 11 is reasonably assembled at the top end of the manual polishing machine, and the hoisting device 2 and the manual polishing machine are respectively hoisted from the top end through two sets of steel cables, and the steel cable at the top end of the manual polishing machine is assembled and wound in the interior of a set of winding disc, so that the manual polishing machine can be pulled and lifted for winding by hand movement, and the fatigue feeling of workers due to gravity of the manual handheld polishing machine is relieved.
Further, the sleeve shaft 25 is welded to the outer end of the connecting rod 24, and the number of the sleeve shaft 25 and the connecting rod 24 is at least 4. When the movable rail is used, the lifting can be realized through any connecting rod 24 structure, and the lifting can also be realized by simultaneously using two sets of connecting rods 24 to cooperate with the lifting hook 3, so that the aim of stabilizing the passive displacement rail can be realized.
Further, the lifting hook 3 comprises a semicircular left hook 31 and a semicircular right hook 32. The bottom ends of the left and right hooks 31 and 32 have a socket structure assembled in a sleeve shape, and the outer sides of the left and right hooks 31 and 32 are equipped with bolts 33. The hoisting hook 3 is composed of two ring-shaped hooks which are assembled into a whole, the purpose of convenient assembly can be realized when the hoisting hook is used, the hoisting hook can be directly hung on the outer surface of a steel cable with the top end serving as a sliding rail, the hoisting hook is convenient to assemble and disassemble, the semicircular buffer 22 can hold up the connecting pipe 14, when the connecting pipe 14 falls on the outer surface of the buffer 22 under the action of gravity, the deformation of corners caused by the distortion of a downward angle is avoided, the internal transmission area of the connecting pipe 14 is reduced, and the dust removal effect is reduced due to the reduction of the dust removal air flow quantity.
Further, the connector 6 includes a first dust collecting pipe 61, a support pipe 62 is welded to an inner side end of the first dust collecting pipe 61, a connection assembly 63 is assembled to a top end of the support pipe 62, and a plurality of sets of connectors 64 are welded to a top end of the connection assembly 63. The connector 6 mainly provides a pipeline connection effect of fixing dust removing heads on corners of equipment or processing dead angles of bed surfaces, and when the dust removing heads are assembled at four corners to adsorb the dust, the pipeline is assembled outside the dust removing heads and assembled with the connectors 64 through the pipeline, so that the integration effect of the dust removing heads at a plurality of dead angles is realized.
Further, the dust collector 7 comprises a second dust collecting pipe 71, a dust suction hood 72 is welded at the inner side end of the second dust collecting pipe 71, and a dust suction opening 73 is formed in the outer side of the dust suction hood 72. The dust remover 7 is provided with a large dust collection port, so that dust in the air can be sucked away to the greatest extent, and the purpose of removing dust without dead angles in the protective cover 5 is achieved.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a reduce dust pollution's timber dust collector that polishes, includes protection casing (5), its characterized in that: the protective cover (5) comprises an assembly beam (51), wherein the assembly beam (51) forms a bracket capable of covering wood processing equipment, and a plate for preventing wood powder from diffusing is arranged outside the bracket; the top end of the protective cover (5) is provided with a sealer (4), the sealer (4) comprises two sets of winders (41) which are symmetrically arranged, a supporting cloth (42) capable of being stretched and wound is arranged in the winders (41), and the middle part of the supporting cloth (42) is provided with a movable dust collector (1) capable of sliding back and forth; the movable dust collector (1) comprises a collection mechanism for collecting wood dust, the top end of the collection mechanism is connected to the input end of the external dust collector through a pipeline, and a hoisting device (2) is sleeved outside the pipeline; the hoisting device (2) comprises a sleeve (21), a semicircular buffer (22) which expands outwards is integrally formed at the outer side end of the sleeve (21), a paste piece (23) with double-sided adhesive is spirally stuck inside the sleeve (21), a connecting rod (24) is welded at the outer side end of the buffer (22), and a hoisting hook (3) is assembled outside the connecting rod (24); the inside of the protective cover (5) is provided with a connector (6) for fixedly sucking and collecting wood dust and a dust remover (7), and the connector (6) and the dust remover (7) are connected to the input end of an external dust remover through a pipeline structure; the inside of supporting cloth (42) is equipped with slider (13), and the inboard of apron (55) that protection casing (5) are located the top is equipped with guide rail (56) to convenient removal removes dust collector (1), the outside of slider (13) is assembled at the internal surface of guide rail (56), the middle part of slider (13) is equipped with connecting pipe (14) that are used for being connected with outside dust collector, the bottom of connecting pipe (14) is equipped with dust removal spare (11), the bottom of dust removal spare (11) is equipped with brush type parcel brush (12).
2. The wood polishing and dust removing device for reducing dust pollution according to claim 1, wherein: the front and rear surfaces of the assembly beam (51) are respectively provided with a set of side fixing plates (52), and the side surfaces of the assembly beam (51) are respectively provided with cover plates (55).
3. The wood polishing and dust removing device for reducing dust pollution according to claim 2, wherein: the outside of side fixed plate (52) has seted up the feed inlet that is used for the material to get into, and the inside of feed inlet is equipped with mounting (53) through the bolt, the inboard of mounting (53) is equipped with feed inlet dust guard (54).
4. The wood polishing and dust removing device for reducing dust pollution according to claim 2, wherein: the inner side of the guide rail (56) is assembled on the outer surface of the supporting cloth (42).
5. The wood polishing and dust removing device for reducing dust pollution according to claim 1, wherein: the outer side end of the connecting rod (24) is welded with a sleeve shaft (25), and the number of the sleeve shaft (25) and the connecting rod (24) is at least 4.
6. The wood polishing and dust removing device for reducing dust pollution according to claim 4, wherein: the hoisting hook (3) comprises a semicircular left hook (31) and a semicircular right hook (32), the bottoms of the left hook (31) and the right hook (32) are provided with sleeving structures which are assembled into a sleeve shape, and bolts (33) are assembled on the outer sides of the left hook (31) and the right hook (32).
7. The wood polishing and dust removing device for reducing dust pollution according to claim 1, wherein: the connector (6) comprises a first dust collecting pipe (61), a supporting pipe (62) is welded at the inner side end of the first dust collecting pipe (61), a connecting assembly (63) is assembled at the top end of the supporting pipe (62), and a plurality of sets of connectors (64) are welded at the top end of the connecting assembly (63).
8. The wood polishing and dust removing device for reducing dust pollution according to claim 1, wherein: the dust remover (7) comprises a second dust collecting pipe (71), a dust suction hood (72) is welded at the inner side end of the second dust collecting pipe (71), and a dust suction opening (73) is formed in the outer side of the dust suction hood (72).
CN202211304393.6A 2022-10-24 2022-10-24 Timber dust collector that polishes of dust pollution reduces Active CN115365253B (en)

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Application Number Priority Date Filing Date Title
CN202211304393.6A CN115365253B (en) 2022-10-24 2022-10-24 Timber dust collector that polishes of dust pollution reduces

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Application Number Priority Date Filing Date Title
CN202211304393.6A CN115365253B (en) 2022-10-24 2022-10-24 Timber dust collector that polishes of dust pollution reduces

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CN115365253B true CN115365253B (en) 2023-05-05

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Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207078762U (en) * 2017-07-31 2018-03-09 岳阳科环建材有限责任公司 A kind of dust removal device for dry-mixed mortar conveyer belt
CN208275162U (en) * 2018-02-27 2018-12-25 陕西鼎益科技有限公司 Polishing machine New of Air dedusting noise reduction system
CN108673491A (en) * 2018-07-04 2018-10-19 王维 A kind of industrial machinery arm being moved easily
CN208880388U (en) * 2018-08-09 2019-05-21 深圳市华永鑫包装材料有限公司 A kind of dust exhaust apparatus for plate digital control processing
CN208729525U (en) * 2018-09-26 2019-04-12 黄广尧 A kind of metal polishing dedusting system
CN209502514U (en) * 2018-12-07 2019-10-18 西安市双安基业人防工程有限公司 A kind of intermetallic composite coating workshop cleaner
CN209466122U (en) * 2019-01-28 2019-10-08 沧州晨杭环保设备有限公司 Efficient polishing dust removal workbench
CN111992563A (en) * 2020-07-25 2020-11-27 天津市卫印印刷有限责任公司 Independent negative pressure exhaust dust removal device
CN214054818U (en) * 2020-10-30 2021-08-27 江西省京盛工艺品有限公司 Panel burnishing device of furniture manufacturing usefulness
CN214817372U (en) * 2021-02-01 2021-11-23 重庆市大足区宇秀动力科技有限公司 Polishing polisher with dust removal effect

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