CN108838822B

CN108838822B - Office furniture falls to ground screen processing and uses grinding device

Info

Publication number: CN108838822B
Application number: CN201810639541.7A
Authority: CN
Inventors: 刘韬
Original assignee: Anhui Zhuote Information Technology Co ltd
Current assignee: QUMEI HOME FURNISHINGS GROUP Co.,Ltd.
Priority date: 2018-06-20
Filing date: 2018-06-20
Publication date: 2020-08-25
Anticipated expiration: 2038-06-20
Also published as: CN108838822A

Abstract

The invention discloses a grinding device for processing a floor screen of office furniture, which comprises a workbench, wherein a dust suction device for sucking grinding dust is arranged on the workbench, a primary grinding device and a secondary grinding device for rough grinding and fine grinding are sequentially arranged on the upper surface of the workbench from left to right, a lifting table is arranged on the left side of the primary grinding device, a screen driving device for driving the screen to be processed to move is arranged above the workbench, the screen driving device is fixedly arranged on the workbench, and a clamp component for fixing the screen is movably arranged on the screen driving device, meanwhile, the polishing quality is improved.

Description

Office furniture falls to ground screen processing and uses grinding device

Technical Field

The invention relates to the field of office furniture, in particular to a polishing device for processing a floor screen of office furniture.

Background

The floor screen is made up by using rare wood rosewood series and red copper relief sculpture through the process of perfectly combining them, and includes the traditional Chinese technological process and deep cultural connotation from design to production, and possesses extremely high and noble status and artistic taste, and the whole beauty of floor screen and environment are mutually supported so as to form unique artistic charm.

The floor screen is made up by using rare wood rosewood series and red copper relief sculpture through the process of perfectly combining them, and includes the traditional Chinese technological process and deep cultural connotation from design to production, and possesses extremely high and noble status and artistic taste, and the whole beauty of floor screen and environment are mutually supported so as to form unique artistic charm. The exquisite manufacturing process and the beautiful carving of the people reach the exquisite and absolute boundary, and the people like satin jade-like texture, fine and compact texture and deep and mushy color are favored by the exquisite and exquisite carving decoration. As a elegant traditional artistic carrier, people can know the ancient cultural background from some sides, and meanwhile, the floor screens made of rosewood series are not deformed and abraded, can be handed over from generation to generation, and the heat of collection of the floor screens is lifted up nationwide.

In the production process of the floor screen, the redwood material of the screen is often required to be polished. In the prior art, the grinding devices for producing and manufacturing the floor screen are more in types, and the grinding quality is also considerable.

However, the existing polishing device for processing the floor screen of the office furniture has the following defects:

(1) in the prior art, when the polishing device for processing the office furniture floor screen is used, the floor screen is often carried and moved manually, so that the working strength of operators is increased, and the polishing quality is reduced;

(2) office furniture falls to ground screen processing among the prior art and uses grinding device at the in-process that uses, to the great screen material that falls to the ground of thickness of polishing, only adopts the mode of polishing to get rid of unnecessary part, has not only reduced the efficiency of polishing, has still increased the loss of polishing piece simultaneously.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the polishing device for processing the floor screen of the office furniture, which not only greatly improves the polishing efficiency of the floor screen, reduces the working strength of operators, but also improves the polishing quality, and can effectively solve the problems in the background art.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the utility model provides an office furniture falls to ground screen processing and uses grinding device, includes the workstation, be equipped with the dust extraction that is used for absorbing the dust of polishing on the workstation, the workstation upper surface from left to right is equipped with one-level grinding device and second grade grinding device that are used for roughly polishing and meticulous polishing in proper order, and one-level grinding device left side is equipped with the elevating platform, the workstation top is equipped with and is used for the drive to wait to process the screen drive arrangement of motion, screen drive arrangement fixed mounting is on the workstation, movable mounting has the anchor clamps subassembly that is used for fixed screen on the screen drive arrangement.

Furthermore, the dust suction device comprises a dust suction chamber fixedly mounted on the rear side edge of the workbench, the bottom of the dust suction chamber is connected with a dust collection bin through a pipeline, a dust outlet is formed in the bottom of the dust collection bin, a dust collection groove is movably arranged in the dust outlet, the upper portion of the dust collection bin is connected with a vacuum pump, the vacuum pump is fixedly mounted on the workbench, and a filter screen is arranged at the joint of the vacuum pump and the dust collection bin.

Further, one-level grinding device includes the first grinding motor of fixed mounting bottom surface under the workstation, there is the transmission shaft through gear engagement on the first grinding motor output shaft, the transmission shaft passes through fixing bearing movable mounting on the workstation, transmission shaft upper portion from the bottom up is equipped with stopper and locking device in proper order, be equipped with the disc of polishing between stopper and the locking device, the disc of polishing threaded connection is on the transmission shaft, the disc of polishing edge is equipped with the cutting gear.

Further, the locking device comprises a mounting groove arranged on the transmission shaft, a limiting rod is hinged in the mounting groove, and a reset spring is connected between the limiting rod and the side face of the mounting groove.

Further, second grade grinding device includes the mounting bracket of fixed mounting on the workstation, the equal movable mounting in both ends has the removable movable roller of dismantling about the mounting bracket, two can dismantle and be connected with the track of polishing between the movable roller, be located the lower extreme can dismantle the movable roller and be connected with second grinding motor through the belt, second grinding motor fixed mounting is bottom surface under the workstation.

Further, the detachable movable roller comprises two fixed cylinders, the fixed cylinders are provided with slide bars, the slide bars are provided with transmission cylinders in a sliding mode, and fixed springs are connected between the transmission cylinders and the fixed cylinders.

Further, the elevating platform includes the mounting panel of fixed mounting bottom surface under the workstation, parallel mounting has two slide rails on the mounting panel, two sliding connection has the lifter plate on the slide rail, bottom surface fixedly connected with lift rack under the lifter plate, lift rack sliding connection has the lift track, and lift track fixed mounting on the mounting panel, it is connected with elevating gear still to mesh on the lift rack, elevating gear movable mounting is on the mounting panel, movable mounting has the crank on the elevating gear.

Furthermore, a plurality of clamping holes which are distributed circumferentially are formed in the mounting plate, a limiting column is arranged on the right side of the crank, and a compression spring is connected between the limiting column and the lifting gear.

Further, screen drive arrangement includes the support frame, the movable frame of rectangle is fixedly mounted to the support frame top, slidable mounting has two sliders on the movable frame, two be connected with the drive block between the slider, threaded connection has the drive lead screw on the drive block, and the drive lead screw left end transmission is connected with driving motor, the bottom surface is connected with the slip track through lift cylinder under the drive block, sliding connection has the installation piece on the slip track.

Further, the anchor clamps subassembly includes two stand of fixed mounting on the installation piece, the equal fixed mounting in stand bottom has the spread groove, movable mounting has clamping gear in the spread groove, clamping gear bottom fixed mounting has the fixed block, two the meshing is connected with drive gear between the clamping gear, fixed mounting has the transfer line on the drive gear, transfer line top fixed mounting has the driving plate, install between driving plate and the installation piece and drive actuating cylinder.

Compared with the prior art, the invention has the beneficial effects that:

(1) the cooperation of the lifting platform and the screen driving device replaces manual floor screen transportation by a mechanical driving mode, thereby not only reducing the working strength of operators, but also greatly improving the polishing quality;

(2) the primary grinding device and the secondary grinding device are matched for use, firstly, an area with larger grinding thickness on the floor screen is cut or ground, and then the floor screen is finely ground, so that the grinding efficiency is greatly improved under the condition of ensuring the grinding quality.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a grinding disc mounting arrangement of the present invention;

FIG. 3 is a schematic view of the elevating platform of the present invention;

FIG. 4 is a left side view of the elevating platform of the present invention;

FIG. 5 is a schematic top view of the screen driving device of the present invention;

FIG. 6 is a schematic view of a clamp assembly of the present invention;

fig. 7 is a schematic view of the structure of the detachable movable roller of the present invention.

Reference numbers in the figures:

1-a workbench; 2-a dust suction device; 3-a primary polishing device; 4-a secondary polishing device; 5-a lifting platform; 6-screen driving device; 7-a clamp assembly; 8-a clamping hole; 9-a limiting column; 10-a compression spring; 11-a protective pad;

201-dust suction chamber; 202-dust collecting bin; 203-a dust outlet; 204-dust collecting groove; 205-vacuum pump; 206-a filter screen;

301-a first grinding motor; 302-a drive shaft; 303-fixed bearing; 304-a stopper; 305-a locking device; 306-a sanding disc; 307-cutting gear;

401-a mounting frame; 402-a removable movable roller; 403-grinding the caterpillar track; 404-a belt; 405-a second grinding motor;

501-mounting a plate; 502-a slide rail; 503-lifting plate; 504-lifting gear bars; 505-a lifting rail; 506-lifting gears; 507-a crank;

601-a support frame; 602-a movable frame; 603-a slide block; 604-a drive block; 605-driving screw rod; 606-a drive motor; 607-a lifting cylinder; 608-a sliding track; 609-mounting block;

701-a support frame; 702-a connecting trough; 703-a clamping gear; 704-fixed block; 705-driving the gear; 706-a transmission rod; 707-a drive plate; 708-a drive cylinder;

3051-an installation groove; 3052-a limiting rod; 3053-a return spring;

4021-a fixed cylinder; 4022-sliding bar; 4023-a transmission cylinder; 4024-fixed spring.

Detailed Description

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 it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figure 1, the invention provides a grinding device for processing a floor screen of office furniture, which comprises a workbench 1, wherein a dust suction device 2 for sucking grinding dust is arranged on the workbench 1, a primary grinding device 3 and a secondary grinding device 4 for rough grinding and fine grinding are sequentially arranged on the upper surface of the workbench 1 from left to right, a lifting table 5 is arranged on the left side of the primary grinding device 3, a screen driving device 6 for driving the screen to be processed to move is arranged above the workbench 1, the screen driving device 6 is fixedly arranged on the workbench 1, and a clamp assembly 7 for fixing the screen is movably arranged on the screen driving device 6.

In this embodiment, utilize elevating platform 5 will wait to polish and fall to the ground the screen and rise, fall to the ground the screen and rise the back, the operation fixture subassembly 7 will wait to polish and fall to the ground the screen and fix, then will fall to the ground the screen through screen drive arrangement 6 and remove to carry out the coarse polishing on one-level grinding device 3, or will fall to the ground the screen and remove to carry out the meticulous polishing on second grade grinding device 4, at the in-process of polishing, open dust extraction 2, concentrate the recovery with the saw-dust that the in-process of polishing produced.

As shown in fig. 1, the dust suction device 2 includes a dust suction chamber 201 fixedly installed on the rear side edge of the workbench 1, the bottom of the dust suction chamber 201 is connected with a dust collection bin 202 through a pipeline, the bottom of the dust collection bin 202 is provided with a dust outlet 203, a dust collection groove 204 is movably arranged in the dust outlet 203, the upper part of the dust collection bin 202 is connected with a vacuum pump 205, the vacuum pump 205 is fixedly installed on the workbench 1, and a filter screen 206 is arranged at the connection position of the vacuum pump 205 and the dust collection bin 202.

In this embodiment, dust extraction 2 absorbs the saw-dust that produces and carries out centralized processing to the in-process of polishing, has avoided the saw-dust to cause the influence to all ring edge borders.

In this embodiment, when the vacuum pump 205 is operated, the inside of the dust collection cavity 201 is provided with an inward air flow, the air flow sucks the wood chips generated in the grinding process into the dust collection bin 202 through a pipeline, the wood chips are accumulated on the filter screen 206 under the filtration of the filter screen 206, finally, when the wood chips are accumulated in a large amount, the wood chips fall into the dust collection groove 204 due to the action of gravity, and finally, only the wood chips in the dust collection groove 204 need to be processed.

As shown in fig. 1 and 2, one-level grinding device 3 includes first grinding motor 301 of bottom surface under workstation 1 of fixed mounting, there is transmission shaft 302 through gear engagement on the first grinding motor 301 output shaft, transmission shaft 302 passes through fixing bearing 303 movable mounting on workstation 1, transmission shaft 302 upper portion from the bottom up is equipped with stopper 304 and locking device 305 in proper order, be equipped with polishing dish 306 between stopper 304 and the locking device 305, polishing dish 306 threaded connection is on transmission shaft 302, polishing dish 306 edge is equipped with cutting gear 307.

In this embodiment, one-level grinding device 3 roughly polishes the screen that falls to the ground, cuts or polishes to the great region of the thickness of polishing on the screen that falls to the ground, has promoted the efficiency of polishing greatly.

In this embodiment, the driving shaft 302 drives the grinding disc 306 to rotate under the driving of the first grinding motor 301, the upper surface of the grinding disc 306 can perform rough grinding on the floor screen, and the cutting gear 307 at the edge of the grinding disc 306 can perform cutting on the floor screen.

As shown in fig. 2, the locking device 305 includes an installation groove 3051 disposed on the transmission shaft 302, a limit rod 3052 is hinged in the installation groove 3051, and a return spring 3053 is connected between the limit rod 3052 and a side surface of the installation groove 3051.

In this embodiment, the locking device 305 locks the polishing disc 306, so that the polishing disc 306 is prevented from falling off in the high-speed rotation process, and the safety of polishing operation is improved.

In this embodiment, when the dish 306 of polishing is installed along transmission shaft 302 rotation downwards, gag lever post 3052 is pressed to the mounting groove 3051 in by the dish 306 of polishing, and after the installation of the dish 306 of polishing, gag lever post 3052 does not receive the limiting displacement of the dish 306 of polishing, and gag lever post 3052 expandes under the effect of reset spring 3053 elasticity, has played limiting displacement to the dish 306 of polishing, has prevented that the dish 306 of polishing from droing.

In this embodiment, the direction of rotation of the sanding disc 306 is opposite to the direction of installation, so that the sanding disc 306 is securely threaded onto the drive shaft 302 during rotation due to its own inertia.

As shown in fig. 1 and 7, the secondary polishing device 4 includes a mounting frame 401 fixedly mounted on the worktable 1, a detachable movable roller 402 is movably mounted at the upper and lower ends of the mounting frame 401, two polishing tracks 403 are connected between the detachable movable roller 402, the detachable movable roller 402 is connected with a second polishing motor 405 through a belt 404 and the second polishing motor 405 is fixedly mounted on the lower bottom surface of the worktable 1.

In this embodiment, the second-stage polishing device 4 performs fine polishing on the floor screen to improve the polishing quality of the floor screen.

In this embodiment, the detachable movable roller 402 drives the grinding caterpillar 403 to rotate under the driving of the second grinding motor 405, and grinding of the floor screen is realized in the rotating process of the grinding caterpillar 403.

As shown in fig. 7, the detachable movable roller 402 includes two fixed cylinders 4021, a sliding rod 4022 is installed on the fixed cylinder 4021, a transmission cylinder 4023 is installed on the sliding rod 4022 in a sliding manner, and a fixed spring 4024 is connected between the transmission cylinder 4023 and the fixed cylinder 4021.

In this embodiment, the detachable movable roller 402 can extend and contract the transmission cylinder 4021, thereby facilitating replacement of the polishing crawler 403.

In this embodiment, the specific method for replacing the grinding track 403 with the detachable movable roller 402 is as follows: firstly, the transmission cylinder 4023 is pushed to move outwards to shrink the transmission cylinder 4023, then after the transmission cylinder 4023 shrinks, the used grinding crawler 403 is taken down, finally, the unused grinding crawler 403 is placed on the transmission cylinder 4023 which is not shrunk, the transmission cylinder 4023 extends under the elastic force of the fixed spring 4024, so that the two transmission cylinders 4023 are folded, and then the grinding crawler 403 is replaced.

In this embodiment, the fixed cylinder 4021 is in transmission connection with the transmission cylinder 4023 through gear engagement, and in order to facilitate the retraction of the transmission cylinder 4023, two retraction slots are provided on the fixed cylinder 4021, which are symmetrical about the central axis of the fixed cylinder 4021, and at the same time, a through retraction hole is provided at the outer end of the transmission cylinder 4023, and when the transmission cylinder 4023 needs to be retracted, only a strut needs to be used to pass through the retraction hole and move to the outer end along the retraction slots.

As shown in fig. 3 and 4, the lifting platform 5 includes a mounting plate 501 fixedly mounted on the bottom surface of the workbench 1, two slide rails 502 and two slide rails are mounted on the mounting plate 501 in parallel, a lifting plate 503 is slidably connected to the slide rails 502, a lifting gear bar 504 is fixedly connected to the bottom surface of the lifting plate 503, the lifting gear bar 504 is slidably connected to a lifting rail 505, the lifting rail 505 is fixedly mounted on the mounting plate 501, a lifting gear 506 is further engaged and connected to the lifting gear bar 504, the lifting gear 506 is movably mounted on the mounting plate 501, and a crank 507 is movably mounted on the lifting gear 506.

In this embodiment, the lifting platform 5 is used for lifting the floor screen to be polished, so that the clamp assembly 7 can fix the floor screen conveniently, and the labor intensity of operators is reduced.

In the present embodiment, the specific use method of the lift table 5 is: firstly, a floor screen to be polished is placed on a lifting plate 503 positioned at the bottom end, then a crank 507 is rotated anticlockwise, the crank 507 drives a lifting gear 506 to rotate anticlockwise, a lifting gear bar 504 meshed and connected with the lifting gear 506 moves upwards, the lifting plate 503 is pushed to move upwards along a sliding rail 502, and upward conveying of the floor screen is achieved.

In this embodiment, the lifting gear 506 is movably installed in the lifting rail 505, the cross-section of the lifting rail 505 is "n" shaped, and the crank 507 is removably installed on the lifting gear 506.

As shown in fig. 4, a plurality of circumferentially distributed clamping holes 8 are formed in the mounting plate 501, a limiting column 9 is arranged on the right side of the crank 507, and a compression spring 10 is connected between the limiting column 9 and the lifting gear 506.

In the present embodiment, the end of the handle 507 is inserted into the locking hole 8 by the elastic force of the compression spring 10, so that the height adjustment is locked, and when the lifting adjustment is required, the handle 507 is pulled out and the handle 507 is rotated.

As shown in fig. 1 and 5, the screen driving device 6 includes a supporting frame 601, a rectangular movable frame 602 is fixedly mounted at the top end of the supporting frame 601, two sliding blocks 603 are slidably mounted on the movable frame 602, a driving block 604 is connected between the two sliding blocks 603, a driving screw 605 is connected to the driving block 604 in a threaded manner, a driving motor 606 is connected to the left end of the driving screw 605 in a transmission manner, a sliding track 608 is connected to the lower bottom surface of the driving block 604 through a lifting cylinder 607, and a mounting block 609 is slidably connected to the sliding track 608.

In the embodiment, the screen driving device 6 can move the fixed floor screen up and down, left and right and back and forth, so that the floor screen can be conveniently polished by an operator, and the working strength of the operator is reduced.

In the present embodiment, the principle of the screen driving device 6 for moving the floor screen is specifically as follows:

(1) the floor screen moves left and right: when the driving motor 606 rotates forwards, the driving screw 605 connected with the output shaft of the driving motor 606 rotates forwards along with the driving screw, and the driving block 604 connected with the driving screw 605 by screw thread can only move rightwards along the movable frame 602 because of being limited by the movable frame 602 and can not rotate together with the driving screw 605, and simultaneously drives the floor screen fixed on the clamp component 7 to move rightwards; conversely, when the drive motor 606 is reversed, the floor screen fixed to the clamp assembly 7 is driven to move to the left.

(2) The floor screen moves back and forth: when the floor screen needs to move back and forth, the mounting block 609 only needs to be pushed to slide back and forth.

(3) The floor screen moves up and down: when the floor screen needs to move up and down, the extension of the piston rod of the lifting cylinder 607 can be adjusted.

As shown in fig. 1 and 6, the clamping assembly 7 includes two supporting frames 701 fixedly mounted on a mounting block 609, a connecting groove 702 is fixedly mounted at the bottom end of each supporting frame 701, a clamping gear 703 is movably mounted in the connecting groove 702, a fixed block 704 is fixedly mounted at the bottom end of the clamping gear 703, a driving gear 705 is engaged and connected between the two clamping gears 703, a driving rod 706 is fixedly mounted on the driving gear 705, a driving plate 707 is fixedly mounted at the top end of the driving rod 706, and a driving cylinder 708 is mounted between the driving plate 707 and the mounting block 609.

In this embodiment, clamp assembly 7 is treated and is polished and fall to the ground the screen and carry out effectual fixed, is convenient for remove and polish the screen that falls to the ground.

In this embodiment, the principle of the fixture assembly 7 for fixing the floor screen is specifically as follows: when the floor screen needs to be fixed, firstly, a piston rod of a driving cylinder 708 is driven to extend, when the piston rod of the driving cylinder 708 extends, a driving plate 707 positioned at the end part of the piston rod moves downwards, at the moment, a driving gear 705 connected with the driving plate 707 through a driving rod 706 moves downwards, a clamping gear 703 meshed and connected with the driving gear 705 is opened, at the moment, two fixing blocks 704 are separated, and the floor screen is waited to be fixed; after the two fixed blocks 704 are separated, the clamp assembly 7 is moved to the position above the lifting table 5, when the floor screen is positioned between the two fixed blocks 704, the piston rod of the driving air cylinder 708 is driven to contract, at the moment, the driving gear 705 moves upwards, the two clamping gears 703 connected with the driving gear 705 in a meshing mode are closed, the two fixed blocks 704 are folded, and the floor screen is fixed.

It should be noted that the clamp assembly 7, in cooperation with the screen driving device 6, can move the floor screen fixed on the clamp assembly 7 in a three-dimensional space, so that an operator can conveniently polish the floor screen.

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. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an office furniture falls to ground screen processing and uses grinding device, includes workstation (1), its characterized in that: the grinding machine is characterized in that a dust suction device (2) used for sucking grinding dust is arranged on the workbench (1), a first-stage grinding device (3) and a second-stage grinding device (4) used for rough grinding and fine grinding are sequentially arranged on the upper surface of the workbench (1) from left to right, a lifting table (5) is arranged on the left side of the first-stage grinding device (3), a screen driving device (6) used for driving a screen to be processed to move is arranged above the workbench (1), the screen driving device (6) is fixedly arranged on the workbench (1), a clamp component (7) used for fixing the screen is movably arranged on the screen driving device (6), the first-stage grinding device (3) comprises a first grinding motor (301) fixedly arranged on the lower bottom surface of the workbench (1), a transmission shaft (302) is meshed with an output shaft of the first grinding motor (301) through a gear, and the transmission shaft (302) is movably arranged on the workbench (1) through a fixed bearing (303), the grinding wheel is characterized in that a limiting block (304) and a locking device (305) are sequentially arranged on the upper portion of the transmission shaft (302) from bottom to top, a grinding wheel (306) is arranged between the limiting block (304) and the locking device (305), the grinding wheel (306) is in threaded connection with the transmission shaft (302), a cutting gear (307) is arranged on the edge of the grinding wheel (306), the locking device (305) comprises a mounting groove (3051) arranged on the transmission shaft (302), a limiting rod (3052) is hinged in the mounting groove (3051), a reset spring (3053) is connected between the limiting rod (3052) and the side surface of the mounting groove (3051), the second-level grinding device (4) comprises a mounting rack (401) fixedly arranged on the workbench (1), movable rollers (402) are movably mounted at the upper end and the lower end of the mounting rack (401), and a grinding crawler belt (403) is connected between the movable rollers (, the detachable movable roller (402) positioned at the lower end is connected with a second grinding motor (405) through a belt (404), and the second grinding motor (405) is fixedly installed on the lower bottom surface of the workbench (1).

2. The grinding device for processing the floor screen of the office furniture, according to claim 1, is characterized in that: the dust collection device (2) comprises a dust collection cavity (201) fixedly mounted on the rear side edge of a workbench (1), the bottom of the dust collection cavity (201) is connected with a dust collection bin (202) through a pipeline, a dust outlet (203) is formed in the bottom of the dust collection bin (202), a dust collection groove (204) is movably arranged in the dust outlet (203), the upper portion of the dust collection bin (202) is connected with a vacuum pump (205), the vacuum pump (205) is fixedly mounted on the workbench (1), and a filter screen (206) is arranged at the joint of the vacuum pump (205) and the dust collection bin (202).

3. The grinding device for processing the floor screen of the office furniture, according to claim 1, is characterized in that: can dismantle movable roller (402) and include two fixed barrels (4021), install slide bar (4022) on fixed barrel (4021), slidable mounting has transmission section of thick bamboo (4023) on slide bar (4022), and is connected with between transmission section of thick bamboo (4023) and fixed barrel (4021) fixed spring (4024).

4. The grinding device for processing the floor screen of the office furniture, according to claim 1, is characterized in that: elevating platform (5) include mounting panel (501) of fixed mounting bottom surface under workstation (1), parallel mount has two slide rails (502) on mounting panel (501), two sliding connection has lifter plate (503) on slide rail (502), bottom surface fixedly connected with lifting gear strip (504) under lifter plate (503), lifting gear strip (504) sliding connection has lift track (505), and lift track (505) fixed mounting on mounting panel (501), it is connected with elevating gear (506) to go back the meshing on lifting gear strip (504), elevating gear (506) movable mounting is on mounting panel (501), movable mounting has crank (507) on elevating gear (506).

5. The grinding device for processing the floor screen of the office furniture, according to claim 4, is characterized in that: be equipped with a plurality of screens holes (8) that are the circumference and distribute on mounting panel (501), crank (507) right side is equipped with spacing post (9), be connected with compression spring (10) between spacing post (9) and elevating gear (506).

6. The grinding device for processing the floor screen of the office furniture, according to claim 1, is characterized in that: the fixture assembly (7) comprises two support frames (701) fixedly mounted on a mounting block (609), a connecting groove (702) is fixedly mounted at the bottom end of each support frame (701), a clamping gear (703) is movably mounted in the connecting groove (702), a fixing block (704) is fixedly mounted at the bottom end of the clamping gear (703), a driving gear (705) is connected between the clamping gears (703) in a meshed mode, a driving rod (706) is fixedly mounted on the driving gear (705), a driving plate (707) is fixedly mounted at the top end of the driving rod (706), and a driving cylinder (708) is mounted between the driving plate (707) and the mounting block (609).