CN210849472U

CN210849472U - Centerless grinding machine

Info

Publication number: CN210849472U
Application number: CN201921550376.4U
Authority: CN
Inventors: 田猛; 付友; 周朗
Original assignee: Wuhan Dongxin Valve Manufacturing Co ltd
Current assignee: Wuhan Dongxin Valve Manufacturing Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-26
Anticipated expiration: 2029-09-17

Abstract

The utility model discloses a centerless grinding machine, which relates to the technical field of mechanical grinding equipment and comprises a frame, a workpiece support and a grinding wheel component, wherein a collecting box for collecting iron scrap powder is arranged below the grinding wheel component on the frame, a dust opening is formed in the bottom wall of the collecting box, a recovery box is arranged below the dust opening on the collecting box, and a cleaning mechanism for ensuring that the iron scrap powder falls into the recovery box is arranged on the collecting box; the collection box internal rotation is provided with the wind-up roll and unreels the roller, unreels on roller and the wind-up roll jointly around having the sticky tape that is used for the adhesion dust, and the coated face of sticky tape is upwards, and the dust mouth is located and unreels between roller and the wind-up roll position directly over, is provided with drive wind-up roll pivoted motor in the frame, and the setting can be dismantled to one side face that the motor was kept away from to the collection box. The utility model discloses a clearance mechanism promotes iron fillings powder and falls into in the collection box through the dust mouth by the sticky tape adhesion, has realized the convenient collection of centerless grinder to iron fillings powder.

Description

Centerless grinding machine

Technical Field

The utility model belongs to the technical field of the technique of mechanical equipment of polishing and specifically relates to a centerless grinder is related to.

Background

The valve is used for specially inputting air into the engine and discharging combusted waste gas, and is divided into an inlet valve and an exhaust valve, at present, most of equipment for polishing the valve adopts a centerless grinding machine, the centerless grinding machine is a type of grinding machine which does not need to adopt the axis positioning of a workpiece for further grinding, and mainly comprises a grinding wheel, an adjusting wheel and a workpiece support, wherein the grinding wheel actually plays a role in grinding, the adjusting wheel controls the feed speed of the workpiece, and the workpiece support has the function of supporting the workpiece during grinding.

In order to solve the problems, the Chinese patent with the publication number of CN205817605U provides a centerless grinding machine with a dust suction device, which comprises a machine body, wherein a grinding machine component is arranged in the machine body, a dust suction mechanism is arranged above the grinding machine component and comprises a dust suction pipe and a dust suction shaft, the dust suction pipe comprises a first dust suction pipe and a second dust suction pipe, the upper end of the dust suction shaft is connected with the first dust suction pipe, the lower end of the dust suction shaft is connected with the second dust suction pipe, the middle part of the dust suction shaft is connected with a rotating mechanism, and the upper part of the dust suction shaft is connected with a fixing component.

The above prior art solutions have the following drawbacks: through the dust absorption of the dust absorption shaft, although dead-angle-free dust absorption can be realized for the centerless grinding machine, the dust absorption mechanism works by utilizing the vacuum pumping principle, the noise is too large, and the physical and mental health of field workers is easily influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a centerless grinder of convenient dust absorption.

The utility model discloses a can realize through following technical scheme:

a centerless grinding machine comprises a rack, a workpiece support and a grinding wheel assembly, wherein a collecting box for collecting scrap iron powder is arranged below the grinding wheel assembly on the rack, a dust opening is formed in the bottom wall of the collecting box, a recovery box is arranged below the dust opening of the collecting box, and a cleaning mechanism for ensuring the scrap iron powder to fall into the recovery box is arranged on the collecting box; the recycling bin internal rotation is provided with the wind-up roll and unreels the roller, unreel the roller with it has the sticky tape that is used for the adhesion dust to roll up jointly on the wind-up roll, the coated face of sticky tape is upwards, the dust mouth is located unreel the roller and position between the wind-up roll directly over, be provided with the drive in the frame wind-up roll pivoted motor, the recycling bin is kept away from the setting can be dismantled to one side face of motor.

By adopting the technical scheme, after the valve is polished on the workpiece support through the grinding wheel assembly, the polished iron scrap powder falls into the collecting box, the iron scrap powder accumulated in the collecting box falls into the recycling box through the dust opening under the action of the cleaning mechanism, meanwhile, the motor drives the winding roller to rotate to drive the adhesive tape to wind towards the winding roller, the iron scrap powder falling from the dust opening is adhered to the adhesive-coated surface of the adhesive tape and is wrapped and collected by the adhesive tape along with the continuous rotation of the winding roller, the convenient collection of the iron scrap powder by the centerless grinding machine is finally realized, the noise in the whole iron scrap powder collection process is low, and the interference to workers is low; after the adhesive tape on the unwinding roller is unwound, a detachable side plate surface of the recovery box can be detached and the adhesive tape can be replaced, so that the continuous and effective collection of the iron scrap powder by the centerless grinding machine is ensured.

Further setting the following steps: the recycling bin is provided with a plurality of magnetic rollers in a rotating mode between the winding roller and the unwinding roller, the magnetic rollers are parallel to the winding roller, and the adhesive tape adhesive-coated surface is abutted to the peripheral wall of the magnetic rollers.

Through adopting above-mentioned technical scheme, iron fillings powder drops to the collection box after, is adsorbed at its perisporium by a plurality of magnetic roller to along with the sticky tape drives a plurality of magnetic roller and follows the rotation in the removal of a plurality of magnetic roller week side, thereby the iron fillings powder of magnetic roller perisporium absorption is adhered to the face of gluing of sticky tape, makes the iron fillings powder that falls into the collection box can be adsorbed by the sticky tape as far as possible completely and collects, is difficult for droing by the iron fillings powder after the absorption simultaneously.

Further setting the following steps: the unwinding roller and the winding roller are located on the same plane through the central axis, the magnetic roller is located below the plane where the unwinding roller is located, and the adhesive tape is stretched and tensioned when passing through the magnetic roller.

Through adopting above-mentioned technical scheme, the sticky tape is by the butt at a plurality of magnetic roller periphery wall to the sticky tape is when being driven the removal by the wind-up roll, can effectively drive a plurality of magnetic roller and follow the rotation, further makes the iron fillings powder of magnetic roller periphery wall absorption can be by the face of covering of tightly adhesion at the sticky tape.

Further setting the following steps: the both ends of magnetism roller all fixedly connected with can tear the piece open, the collection box outer wall wear to be equipped with removable piece threaded connection's bolt.

Through adopting above-mentioned technical scheme, rotatable bolt is in order to relieve the fixed to the piece of can dismantling to pull down the magnetic roll and clean the magnetic roll, in order to ensure the effective absorption of magnetic roll to iron fillings powder.

Further setting the following steps: clearance mechanism including the scraper that is used for clearing up the dust and with the fixed slider that sets up of scraper, the collecting box is cuboid form and its inside wall rigid coupling has the slide bar along its length direction, the slider cover is established the slide bar periphery wall, be provided with on the collecting box and be used for the drive the scraper is followed slide bar length direction gliding drive assembly.

Through adopting above-mentioned technical scheme, start drive assembly, drive assembly drive scraper removes at the collecting box inside wall to with accumulational iron fillings powder propelling movement to dust mouth department in the collecting box, and adsorbed by the magnetic roll who sets up in dust mouth below, the slide bar guides the glide direction of scraper, in order to ensure smooth and easy the sliding of scraper in the collecting box.

Further setting the following steps: the driving assembly comprises an air cylinder fixedly connected to the collecting box, and an air cylinder piston rod penetrates through the collecting box and is fixedly connected with one side, far away from the sliding block, of the scraper.

Through adopting above-mentioned technical scheme, when the iron fillings powder is piled up more needs clearance in the collecting box, start the cylinder, drive the scraper and slide in the collecting box when its piston rod of cylinder drive removes, realized the cylinder and promoted the stability of scraper.

Further setting the following steps: the distance of the movement of the sliding block is not less than the distance from the scraper to the center of the dust opening.

Through adopting above-mentioned technical scheme, can effectively guarantee the scraper can be with piling up iron fillings powder propelling movement to the dust mouth in the collecting box to the realization is to the effective collection of iron fillings powder.

Further setting the following steps: the surface lower extreme that the collection box kept away from motor one side with the collection box diapire is articulated to be connected, this curb plate face with all be provided with movable hasp between the both sides face of collection box length direction.

Through adopting above-mentioned technical scheme, when needing to be changed the sticky tape, can remove the locking that movable hasp can dismantle the face on to the collection box to remove the bolt and to being close to this removable piece that can dismantle the face fixed, overturn this again and dismantle the face in order to realize the change to the sticky tape.

To sum up, the utility model discloses a beneficial technological effect does:

(1) the scrap iron powder falling into the collecting box is pushed to the dust opening by the cleaning mechanism, the scrap iron powder falling from the dust opening is adhered to the adhesive-coated surface of the adhesive tape and is wrapped and collected by the adhesive tape along with the continuous rotation of the winding roller, the scrap iron powder is finally and conveniently collected by the centerless grinding machine, the noise in the whole scrap iron powder collecting process is low, and the interference to workers is low;

(2) the iron scrap powder adsorbed on the peripheral wall of the magnetic roller is adhered to the adhesive-coated surface of the adhesive tape by the magnetic rollers, so that the iron scrap powder falling into the recovery box can be adsorbed and collected by the adhesive tape as completely as possible, and the adsorbed iron scrap powder is not easy to fall off;

(3) the cylinder drive scraper slides in the collecting box and clears up the iron fillings powder, and the slide bar guides the movement track of scraper through the slider of rigid coupling on the scraper for the scraper slides more smoothly in the collecting box.

Drawings

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

fig. 2 is a schematic view of another perspective of the present invention;

fig. 3 is a schematic sectional view taken along line a-a in fig. 1.

Reference numerals: 1. a frame; 2. a workpiece holder; 3. a grinding wheel assembly; 4. a collection box; 5. a dust port; 6. a recycling bin; 7. a wind-up roll; 8. unwinding rollers; 9. an adhesive tape; 10. a motor; 11. a magnetic roller; 13. a bolt; 14. a slider; 15. a slide bar; 16. a cylinder; 17. a movable hasp; 18. and (4) scraping the blade.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 3, for the utility model discloses a centerless grinding machine, which comprises a frame 1, work rest 2 and grinding wheel subassembly 3 concrete structure refer to the chinese patent that the grant publication number is CN205043556U, frame 1 is provided with the collecting box 4 that is used for collecting the cuboid form of iron fillings powder in grinding wheel subassembly 3 below, dust mouth 5 has been seted up to the one end diapire of collecting box 4 length direction, the lower tip of collecting box 4 sets to trapezoidal and its diapire width and 5 adaptations of dust mouth, be provided with on the collecting box 4 and ensure that the iron fillings powder drops to the clearance mechanism in the collection box 6.

The cleaning mechanism comprises a scraper 18 matched with the inner side wall of the collecting box 4 and a sliding block 14 fixedly connected to one side of the length direction of the scraper 18, a sliding rod 15 along the length direction is fixedly connected to the inner side wall of the collecting box 4, the sliding block 14 is sleeved on the outer peripheral wall of the sliding rod 15, the moving distance of the sliding block 14 is not smaller than the distance from the scraper 18 to the center of the dust port 5, a driving assembly used for driving the scraper 18 to slide along the length direction of the sliding rod 15 is arranged on the collecting box 4, the driving assembly comprises a cylinder 16 (shown in figure 2) fixedly connected to the collecting box 4, and a piston rod of the cylinder 16 penetrates through the.

After the valve is polished on the workpiece support 2 by the grinding wheel assembly 3, the polished iron scrap powder falls into the collection box 4, when more iron scrap powder is accumulated in the collection box 4 and needs to be cleaned, the cylinder 16 is started, the cylinder 16 drives the piston rod to move, the scraper 18 is driven to slide in the collection box 4, the scraper 18 is attached to the inner side wall of the collection box 4 to slide, and the iron scrap powder is pushed to the dust opening 5, so that the iron scrap powder is uniformly collected by the collection box 4; the bottom wall of the collecting box 4 is arranged to be matched with the width of the dust opening 5, iron dust powder accumulated in the collecting box 4 can be effectively pushed to the dust opening 5 as completely as possible, and the sliding rod 15 guides the sliding direction of the scraper 18 to ensure smooth sliding of the scraper 18 in the collecting box 4.

Referring to fig. 2 and 3, a rectangular recovery box 6 is arranged below a dust port 5 of a frame 1, the dust port 5 is positioned right above the middle part of the recovery box 6, a winding roller 7 and an unwinding roller 8 are rotationally arranged in the recovery box 6, the winding roller 7 and the unwinding roller 8 are respectively arranged at two ends of the recovery box 6 in the length direction, an adhesive tape 9 for adhering dust is wound on the unwinding roller 8 and the winding roller 7 together, and the adhesive surface of the adhesive tape 9 faces upwards; the frame 1 is provided with a motor 10 for driving the wind-up roll 7 to rotate, and the output end of the motor 10 is in transmission connection with the wind-up roll 7 through a belt.

Pile up iron fillings powder in collecting box 4 and fall into collection box 6 through dust mouth 5 under the promotion of scraper blade, and simultaneously, motor 10 drives sticky tape 9 when passing through belt drive wind-up roll 7 rotatory and winds on wind-up roll 7, and the iron fillings powder that drops from dust mouth 5 then the adhesion in proper order is on the rubber coating face of sticky tape 9, and along with wind-up roll 7 constantly rotatory by sticky tape 9 parcel collection, finally realized the convenient collection of centerless grinder to iron fillings powder, and whole iron fillings powder collection process noise is little, interference to the staff is lower.

Referring to fig. 3, collection box 6 rotates between wind-up roll 7 and unreeling roller 8 and is provided with a plurality of magnetic roll 11, unreels roller 8 and wind-up roll 7 the central axis and is located the coplanar, and a plurality of magnetic roll 11 is located unreeling roller 8 place planar below and is the arc and arranges, and the sticky tape 9 covers the periphery wall butt of gluey face and a plurality of magnetic roll 11 homonymy, and sticky tape 9 is tensile tensioning when passing through magnetic roll 11.

Iron fillings powder drops to in the collection box 6 after, adsorb at its perisporium by a plurality of magnetic roller 11, and along with sticky tape 9 drives a plurality of magnetic roller 11 and follows the rotation in the removal of a plurality of magnetic roller 11 week side, thereby the iron fillings powder of magnetic roller 11 perisporium is adhered to on the rubber coating face of sticky tape 9, and magnetic roller 11 sets up in wind-up roll 7 and unreel roller 8 below and with sticky tape 9 tensioning, make the iron fillings powder that falls into in collection box 6 can be adsorbed by sticky tape 9 as far as completely and collect, the iron fillings powder after being adsorbed simultaneously can tightly adhere and be difficult for droing on the rubber coating face of sticky tape 9.

Referring to fig. 1 and 3, the both ends of the magnetic roller 11 are fixedly connected with detachable blocks (not shown in the figure), the outer wall of the recycling bin 6 is provided with bolts 13 connected with the detachable blocks in a threaded manner, one side of the recycling bin 6 away from the motor 10 is detachably arranged, the lower end of the side of the recycling bin 6 away from the motor 10 is hinged with the bottom wall of the recycling bin 6, and movable hasps 17 are arranged between the side plate and the two side plates in the length direction of the recycling bin 6.

When more adhesive is adhered to the magnetic roller 11 from the adhesive tape 9, the bolt 13 can be rotated to release the fixation of the detachable block, so that the magnetic roller 11 is detached to wipe the magnetic roller 11, and the effective adsorption of the magnetic roller 11 to the iron filings powder and the effective covering of the adhesive tape 9 are ensured; when the adhesive tape 9 needs to be replaced, the locking of the movable buckle 17 to the detachable plate surface on the recovery box 6 can be removed, the fixation of the bolt 13 to the detachable block close to the detachable plate surface is removed, and the detachable plate surface is turned over again to replace the adhesive tape 9.

The implementation principle and the beneficial effects of the embodiment are as follows:

after the valve is polished on the workpiece support 2 by the grinding wheel assembly 3, the polished iron scrap powder falls into the collection box 4, the iron scrap powder accumulated in the collection box 4 falls into the recovery box 6 through the dust opening 5 under the pushing of the scraper 18, meanwhile, the motor 10 drives the winding roller 7 to rotate to drive the adhesive tape 9 to wind towards the winding roller 7, the iron scrap powder falling from the dust opening 5 is adhered to the adhesive-coated surface of the adhesive tape 9 and is wrapped and collected by the adhesive tape 9 along with the continuous rotation of the winding roller 7, and finally, the convenient collection of the iron scrap powder by the centerless grinding machine is realized, the noise in the whole iron scrap powder collection process is low, and the interference to workers is low; after the adhesive tape 9 on the unwinding roller 8 is unwound, a detachable side plate surface of the recovery box 6 can be detached and the adhesive tape 9 can be replaced, so that the continuous and effective collection of the iron chip powder by the centerless grinding machine is ensured.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a centerless grinder, includes frame (1), work support (2) and grinding wheel assembly (3), its characterized in that: a collecting box (4) for collecting scrap iron powder is arranged below the grinding wheel assembly (3) of the rack (1), a dust opening (5) is formed in the bottom wall of the collecting box (4), a recovery box (6) is arranged below the dust opening (5) of the collecting box (4), and a cleaning mechanism for ensuring the scrap iron powder to fall into the recovery box (6) is arranged on the collecting box (4); the utility model discloses a dust collector, including collection box (6), winding roll (7) and unwinding roller (8) are provided with to the internal rotation of collection box (6), unwinding roller (8) with on winding roll (7) jointly around rolling up there being sticky tape (9) that are used for the adhesion dust, the rubber coated face of sticky tape (9) is upwards, dust mouth (5) are located unwinding roller (8) and directly over the position between winding roll (7), be provided with the drive on frame (1) winding roll (7) pivoted motor (10), collection box (6) are kept away from one side face of motor (10) can be dismantled and set up.

2. The centerless grinder of claim 1, wherein: the recycling box (6) is provided with a plurality of magnetic rollers (11) in the winding roller (7) and the unwinding roller (8) in a rotating mode, the magnetic rollers (11) are parallel to the winding roller (7) in arrangement, and the adhesive tape (9) is abutted to the peripheral wall of the magnetic rollers (11) in an adhesive coating surface.

3. The centerless grinder of claim 2, wherein: unreel roller (8) with wind-up roll (7) the central axis is located the coplanar, magnetism roller (11) are located unreel roller (8) place planar below, sticky tape (9) are passed through by tensile tensioning when magnetism roller (11).

4. The centerless grinder of claim 3, wherein: the both ends of magnetism roller (11) are equal fixedly connected with and can be dismantled the piece, collection box (6) outer wall wear to be equipped with removable piece threaded connection's bolt (13).

5. The centerless grinder of claim 4, wherein: clearance mechanism including be used for clearing up scraper (18) of dust and with slider (14) that scraper (18) are fixed to be set up, collecting box (4) are cuboid form and its inside wall rigid coupling has slide bar (15) along its length direction, slider (14) cover is established slide bar (15) periphery wall, be provided with on collecting box (4) and be used for the drive scraper (18) are followed slide bar (15) length direction gliding drive assembly.

6. The centerless grinder of claim 5, wherein: the driving assembly comprises an air cylinder (16) fixedly connected to the collecting box (4), and a piston rod of the air cylinder (16) penetrates through the collecting box (4) and is fixedly connected with one side, far away from the sliding block (14), of the scraper (18).

7. The centerless grinder of claim 6, wherein: the distance of the movement of the sliding block (14) is not less than the distance from the scraper (18) to the center of the dust opening (5).

8. The centerless grinder of claim 7, wherein: the lower end of the board on one side of the motor (10) is far away from the recovery box (6) and the bottom wall of the recovery box (6) is hinged, and movable hasps (17) are arranged between the board on the side and the boards on the two sides of the recovery box (6) in the length direction.