CN113290463A - Scraper bowl carries grinding device - Google Patents

Abstract

The application provides a grinding device is carried to scraper bowl belongs to scraper bowl production field, include: conveying mechanism, box and grinding machanism. Conveying mechanism includes the track and slides and locates orbital hoist and mount part, and hoist and mount part includes horizontal pole and many pull rods for connect the mounting hole of scraper bowl outer wall. The box is arranged below the conveying mechanism, and the top of the box is provided with a sliding groove along the conveying direction of the scraper bucket. The grinding mechanism is arranged inside the box body and comprises a bottom plate, a grinding disc is arranged above the bottom plate, the bottom plate is arranged in a moving mode along the conveying direction of the scraper bucket, and a lifting mechanism is arranged above the bottom plate and drives the grinding disc to move. Can effectually polish the scraper bowl inner wall, have higher efficiency of polishing, and pollute lessly.

Description

Scraper bowl carries grinding device

Technical Field

The invention belongs to the technical field of bucket grinding and polishing, and particularly relates to a bucket conveying and polishing device.

Background

The scraper bowl is connected loader or the excavator among the engineering machine tool usually and is used, and the scraper bowl mainly includes body and bucket tooth two parts, and the body adopts panel welding to form, and the body is as main bearing loading structure, and is higher to overall structure intensity requirement, can increase the strengthening rib through the welded mode in the inside and the outer wall of body for improving body intensity. Because parts such as the bucket body of scraper bowl and strengthening rib all adopt welding mode equipment concatenation, consequently all need polish the processing to get rid of welding slag and some impurity that produce when welding. The outer wall of the bucket is an outer arc surface, so that the grinding is relatively simple; and to the scraper bowl inner wall owing to be the indent space, and the welding seam is more, compares in the outer wall structure of scraper bowl more complicated, adopts the manual work to polish at present usually to because the work load of polishing is great, consequently the efficiency of polishing is lower, and dust pollution is more serious when the manual work is polished moreover, very influences operator's healthy.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides the bucket conveying and grinding device which can effectively grind and polish the inner wall of the bucket, has higher polishing efficiency and causes less pollution.

In order to realize the purpose of the invention, the following scheme is adopted:

a bucket fed sanding device comprising: conveying mechanism, box and grinding machanism.

Conveying mechanism includes the track and slides and locates orbital hoist and mount part, and hoist and mount part includes horizontal pole and many pull rods, and the horizontal pole is parallel with the track, and the pull rod is located the horizontal pole below for connect the mounting hole of scraper bowl outer wall.

The box is located the conveying mechanism below, and the spout has been seted up along scraper bowl direction of delivery at the box top, and the width of spout is greater than the width of horizontal pole.

Grinding machanism locates inside the box, and grinding machanism includes the bottom plate, and the bottom plate top is equipped with the polishing dish, and the bottom plate removes the setting along the perpendicular to scraper bowl direction of delivery, and the bottom plate top is equipped with elevating system for the drive polishing dish removes along vertical direction.

Furthermore, the box body is provided with a pair of parallel slide rails, the bottom plate is arranged on the slide rails in a sliding manner through the idler wheels, the cross sections of the slide rails are in a shape of a right triangle, and the circumferences of the idler wheels are provided with annular grooves with triangular cross sections for matching with the slide rails; the box body is provided with at least one pressure lever; the pressure lever is positioned above the bottom plate and is parallel to the moving direction of the bottom plate; a plurality of groove-shaped rollers are arranged on the bottom plate in an array mode along the length direction of the pressing rod, annular grooves are formed in the peripheries of the groove-shaped rollers, and the pressing rod is in contact with the annular grooves.

Furthermore, one side of the bottom plate is provided with a rack, the length direction of the rack is consistent with the moving direction of the bottom plate, a driving motor is arranged outside the bottom of the box body, a rotating shaft of the driving motor is provided with a gear, the gear is meshed with the rack, and limiting plates are arranged at two ends of the rack and used for limiting the moving range of the bottom plate.

Furthermore, a positioning groove is formed in the bottom of the edge of one side, corresponding to the bucket, of the interior of the box body along the conveying direction, and a plurality of side rollers are arranged in the positioning groove along the conveying direction of the bucket in an array mode; the outer wall that corresponds the scraper bowl opposite side is equipped with the multiunit pinch roller along direction of delivery, and the outer wall rolling contact of pinch roller and scraper bowl, pinch roller move towards the constant head tank and set up, and the effect when through constant head tank and pinch roller carries on spacingly to the scraper bowl, further prevents the scraper bowl swing, improves the stability when polishing.

Furthermore, a boss is arranged above the bottom plate, the lifting mechanism comprises a mounting seat, a hinge seat is arranged at the upper section of the mounting seat and used for mounting the polishing disc, a screw rod is vertically and downwards arranged at the bottom of the mounting seat and downwards penetrates through the top surface of the boss, a cavity is formed in the bottom of the boss, and the lower section of the screw rod is positioned in the cavity at the bottom of the boss; the screw rod is externally provided with a gear sleeve in a threaded fit manner, the periphery of the gear sleeve is provided with a gear structure, the interior of the gear sleeve is provided with an internal thread hole structure, the lifting mechanism also comprises a driving gear, the driving gear is meshed with the periphery of the gear sleeve, and the driving gear is arranged on a rotating shaft of a rotating motor; gear sleeve, drive gear and rotating electrical machines all locate the cavity of boss in, and gear sleeve rotates the top surface of locating the inside cavity of boss.

Furthermore, an annular surrounding plate is arranged around the lower section of the mounting seat, the outer side of the boss is sleeved with the annular surrounding plate, and the screw rod is sealed inside the annular surrounding plate, so that the dustproof purpose is achieved; the projection of the boss on the bottom surface is of a rectangular structure, and the section of the annular enclosing plate is of a rectangular ring structure.

Furthermore, the periphery of the upper section of the gear sleeve is of a circular structure and is connected with an inner ring of a bearing; the bearing is connected to a bearing seat through an outer ring, and the bearing seat is arranged on the top surface of the cavity in the boss; the periphery of the lower ring of the gear sleeve is of a gear structure.

Furthermore, a polishing motor is arranged on the outer side of the lower section of the mounting seat and is connected with the polishing disc through a transmission chain or a transmission belt so as to drive the polishing disc to rotate; and arranging a polishing motor at the lower section of the mounting seat.

Further, the polishing disc comprises a connecting shaft and polishing pieces overlapped in multiple layers, and the polishing pieces are detachably arranged on the connecting shaft in a penetrating mode.

The invention has the beneficial effects that:

1. the inner wall of the bucket can be effectively polished, the polishing disc can move according to the inner contour of the bucket by moving the bottom plate and driving the lifting mechanism, and the polishing disc can comprehensively cover the inner wall of the bucket by matching with the conveying mechanism to complete polishing of the inner part of the bucket; the scraper bowl is all polished in the box body in the whole course, and dust generated in the polishing process can be prevented from escaping, so that pollution is reduced.

2. Adopt conveying mechanism to carry the scraper bowl automatically to accomplish the polishing to the scraper bowl inner wall at the in-process of carrying, consequently have higher efficiency of polishing.

3. Multiple limits are arranged on the bucket during polishing, so that the bucket has good stability during polishing, and the polishing effect is well guaranteed; the first heavy limit is realized by matching a cross rod with a sliding groove to prevent the hoisting component and the bucket from swinging; the second is heavily spacing to be used through constant head tank and pinch roller cooperation, directly fixes a position the scraper bowl, further prevents that the scraper bowl from rocking.

4. Each transmission structure has a good sealing cover structure, and the influence of dust generated by polishing on the rotation structure can be effectively reduced.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.

Fig. 1 shows a state of use of the present application.

Fig. 2 shows an enlarged view at a in fig. 1.

Fig. 3 shows another state of use of the present application.

Fig. 4 shows an enlarged view at B in fig. 3.

Fig. 5 shows an enlarged view at C in fig. 3.

Fig. 6 shows the construction of the lifting member.

Fig. 7 shows the configuration of the sharpening mechanism.

Fig. 8 shows an internal configuration of the grinding mechanism.

Fig. 9 shows an enlarged view at D in fig. 8.

Fig. 10 shows a mounting structure of the gear sleeve.

Figure 11 shows the configuration of the sharpening disk.

Fig. 12 shows an exploded view of the structure of the abrasive disk.

Fig. 13 shows a cross-sectional view of the polishing disc.

Fig. 14 shows an enlarged view at E in fig. 13.

Fig. 15 shows an enlarged view at F in fig. 13.

The labels in the figure are: conveying mechanism-10, rail-11, hoisting part-12, cross bar-121, pull rod-122, box-20, chute-201, slide rail-21, press rod-22, driving motor-23, gear-231, positioning groove-24, side roller-241, pinch roller-25, polishing mechanism-30, bottom plate-31, boss-311, polishing disk-32, connecting shaft-321, pin hole-3211, partition-3212, polishing sheet-322, rectangular hole-3221, round hole-3222, press block-323, groove roller-33, rack-34, limiting plate-341, rotating sleeve-35, connecting plate-351, bolt-352, lifting mechanism-40, mounting seat-41, annular enclosing plate-411, Screw-42, gear sleeve-43, driving gear-44, rotating motor-45, bearing-46, bearing seat-47 and grinding motor-48.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are a part of the embodiments of the present invention, not all of the embodiments of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only for convenience of describing the present invention and simplifying the description. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 10, a bucket-delivered sanding device includes: a conveying mechanism 10, a box 20 and a grinding mechanism 30.

Specifically, conveying mechanism 10 includes track 11 and the hoist and mount part 12 that slides and locate track 11, and hoist and mount part 12 includes horizontal pole 121 and many pull rods 122, and horizontal pole 121 is parallel with track 11, and pull rod 122 locates the horizontal pole 121 below for connect the mounting hole of scraper bowl outer wall.

Specifically, conveying mechanism 10 below is located to box 20, and box 20 top has seted up spout 201 along scraper bowl direction of delivery, and the width of spout 201 is greater than the width of horizontal pole 121, and the in-process horizontal pole 121 that polishes slides and locates in spout 201, utilizes spout 201 to be spacing to horizontal pole 121, prevents that hoisting part 12 from rocking to guarantee the stability of scraper bowl. The two ends of the box body 20 along the conveying direction are provided with door plates which are arranged oppositely and used for sealing when being polished, and dust is prevented from overflowing.

Specifically, grinding mechanism 30 is located inside box 20, and grinding mechanism 30 includes bottom plate 31, and bottom plate 31 top is equipped with the polishing dish 32, and bottom plate 31 moves the setting along the perpendicular to scraper bowl direction of delivery, and bottom plate 31 top is equipped with elevating system 40 for the drive polishing dish 32 moves along vertical direction, and the radius of polishing dish 32 is less than the inside minimum circular arc radius of scraper bowl.

In operation, under the driving of the conveying mechanism 10, the bucket enters the box body 20, and then the door plate of the box body 20 is closed. The sanding disc 32 moves along the curved contour of the inner wall of the bucket cross-section as the base plate 31 moves and the lifting mechanism 40 is actuated. After the grinding disc 32 covers and grinds one end section of the bucket, the bucket continues to move to a preset rectangle, and the grinding disc 32 is used again to grind the inner wall of the section of the bucket. The scraper bucket is conveyed in an intermittent mode, and the scraper bucket is polished section by section. The inner wall of the bucket can also be ground by means of the grinding disc 32 in a manner of continuously moving the bucket.

Preferably, as shown in fig. 2, the box 20 is provided with a pair of parallel slide rails 21, the bottom plate 31 is slidably disposed on the slide rails 21 through rollers, the cross section of each slide rail 21 is a triangle, and the circumference of each roller is provided with an annular groove with a triangular cross section for matching with the slide rail 21, so that not only can the bottom plate 31 be prevented from moving along the conveying direction of the bucket, but also dust accumulation can be prevented because the cross section of each slide rail 21 is triangular, and one corner of each slide rail 21 is located at the top, thereby avoiding affecting the stability of matching between the roller of the bottom plate 31 and the slide rail 21.

Further preferably, as shown in fig. 5 and 7, the box 20 is provided with at least one pressure bar 22; the pressure lever 22 is positioned above the bottom plate 31 and is parallel to the moving direction of the bottom plate 31; a plurality of groove-shaped rollers 33 are arranged on the bottom plate 31 in an array mode along the length direction of the pressing rod 22, annular grooves are formed in the peripheries of the groove-shaped rollers 33, the pressing rod 22 is in contact with the annular grooves, the pressing plate 31 is pressed downwards through the pressing rod 22 to prevent the pressing plate 31 from jumping during polishing, and polishing stability is improved.

Preferably, as shown in fig. 2 and 7, a rack 34 is disposed on one side of the bottom plate 31, a length direction of the rack 34 is the same as a moving direction of the bottom plate 31, a driving motor 23 is disposed outside the bottom of the casing 20, a rotating shaft of the driving motor 23 is provided with a gear 231, the gear 231 is engaged with the rack 34, the gear 231 is driven by the driving motor 23 to rotate, and thus the bottom plate 31 is driven to move by the engagement of the gear 231 with the rack 34. Set up driving motor 23 in the box 20 outside, dust causes the influence to driving motor 23 when can avoiding polishing, is favorable to simplifying the inside structure of box 20 simultaneously. The rack 34 is provided at both ends thereof with a limit plate 341 for limiting a moving range of the base plate 31.

Preferably, as shown in fig. 1, 3 and 4, a positioning groove 24 is provided in the bottom of the edge corresponding to one side of the bucket in the box 20 along the conveying direction, and the positioning groove 24 is provided with a plurality of side rollers 241 in an array along the conveying direction of the bucket. A plurality of groups of pinch rollers 25 are arranged on the outer wall corresponding to the other side of the bucket along the conveying direction, the pinch rollers 25 are in rolling contact with the outer wall of the bucket, and the pinch rollers 25 are arranged towards the positioning grooves 24 in a moving mode. The extension of the pinch rollers 25 can be adjusted by movement to accommodate different bucket profiles. When the bucket moves, the side roller 241 is brought into rolling contact with the outer wall of the bucket by the pressure of the pressure roller 25, and the bucket can be positioned and moved smoothly. Act on the scraper bowl spacing through constant head tank 24 and pinch roller 25 simultaneously, further prevent the scraper bowl swing, stability when improving to polish.

Preferably, as shown in fig. 7 and 8, a boss 311 is arranged above the bottom plate 31, the lifting mechanism 40 includes a mounting seat 41, an upper section of the mounting seat 41 is provided with a hinged seat for mounting the polishing disc 32, a screw rod 42 is vertically arranged at the bottom of the mounting seat 41 downwards, the screw rod 42 passes through the top surface of the boss 311 downwards, the bottom of the boss 311 is provided with a cavity, and a lower section of the screw rod 42 is located in the cavity at the bottom of the boss 311; the screw rod 42 is externally provided with a gear sleeve 43 in a threaded fit manner, the gear sleeve 43 is externally provided with a peripheral gear structure, the interior of the gear sleeve 43 is provided with an internal threaded hole structure, the lifting mechanism 40 further comprises a driving gear 44, the driving gear 44 is meshed with the periphery of the gear sleeve 43, and the driving gear 44 is arranged on a rotating shaft of a rotating motor 45; the gear sleeve 43, the driving gear 44 and the rotating motor 45 are all arranged in the cavity of the boss 311, and the gear sleeve 43 is rotatably arranged on the top surface of the cavity in the boss 311. The screw rod 42 is driven to move along the axis by the rotation of the gear sleeve 43, so that the grinding disc 32 moves along the vertical direction, and the height position of the gear sleeve 43 is kept fixed; the gear sleeve 43, the driving gear 44 and the rotating motor 45 are mounted in the cavity of the boss 311, so that the gear sleeve 43, the driving gear 44 and the rotating motor 45 can be well sealed and protected. The gear sleeve 43 is matched with the screw rod 42, and then the driving gear 44 is meshed with the gear sleeve 43 to realize transmission, so that the main purpose is to shorten the installation dimension along the axial direction of the screw rod 42 and enable the rotating motor 45 to be arranged in parallel with the screw rod 42 at intervals. Compare in the structure of directly locating the screw rod on the motor spindle, the transmission structure axial installation size of this application is littleer, more is favorable to reducing the whole height of box 20, makes the device structure compacter.

Preferably, an annular enclosing plate 411 is arranged around the lower section of the mounting seat 41, the annular enclosing plate 411 is sleeved outside the boss 311, and the screw rod 42 is sealed inside the annular enclosing plate 411, so that the dustproof purpose is achieved; the projection of boss 311 in the bottom surface is the rectangle structure, and the cross-section of annular bounding wall 411 is the rectangle ring structure, makes annular bounding wall 411 have the sealed effect while, still has the effect of direction, utilizes annular bounding wall 411 and the boss 311 sliding fit of rectangle cross-section, prevents that mount pad 41 from rotating round screw rod 42 to realize the direction function.

More specifically, as shown in fig. 9 and 10, the gear sleeve 43 has a mounting structure, in which the outer periphery of the upper section of the gear sleeve 43 is of a circular structure and is connected to the inner ring of a bearing 46; the bearing 46 is connected to a bearing seat 47 through an outer ring, and the bearing seat 47 is arranged on the top surface of the cavity in the boss 311; the periphery of the lower ring of the gear sleeve 43 is in a gear structure, so that the driving gear 44 and the rotating motor 45 are installed from the bottom of the cavity inside the boss 311.

Preferably, a grinding motor 48 is disposed outside the lower section of the mounting base 41, and the grinding motor 48 is connected to the grinding disc 32 via a transmission chain or belt to drive the grinding disc 32 to rotate.

It is further preferred that the drive chain or belt and the grinding motor 48 are provided with a sealing cover on the outside to ensure the cleanliness of the drive structure and the grinding motor 48.

Further preferably, the grinding motor 48 is disposed at the lower section of the mounting base 41, so as to reduce the structural size of the grinding disc 32 in the axial direction, and to make the grinding disc 32 extend into the bucket throughout the entire range, so as to cover both ends of the interior of the grinding bucket.

Preferably, the grinding disc 32 comprises a connecting shaft 321 and a plurality of layers of grinding sheets 322 which are overlapped, the grinding sheets 322 are detachably arranged on the connecting shaft 321 in a penetrating way, and the number of the grinding sheets 322 arranged on the grinding disc 32 can be selected according to the structure of the bucket; simultaneously, because when polishing the scraper bowl inside, the volume of polishing the piece 322 at both ends is bigger, consequently wearing and tearing are also faster, and the convenient dismantlement of the piece 322 wearing and tearing of polishing at both ends is changed, also can exchange the piece 322 that polishes at both ends and the piece 322 position of polishing at middle part, and the extension is long in service, compares with overall structure's the polishing dish, and use cost is more put at the end.

More specifically, the connecting shaft 321 is connected to the polishing plate 322 in the manner shown in fig. 11 and 12. One end of the connecting shaft 321 penetrates through a side plate on one side of the hinge seat on the upper section of the mounting seat 41 and is connected with the grinding motor 48 through a transmission belt or a transmission chain, and a gap is reserved between the other end of the connecting shaft 321 and the side plate on the other side of the hinge seat on the upper section of the mounting seat 41 and is used for penetrating through the grinding sheet 322 so as to facilitate the dismounting and mounting of the grinding sheet 322. The corresponding curb plate of mount pad 41 upper segment is worn to be equipped with and is rotated cover 35, rotates the terminal rotation of cover 35 and is equipped with connecting plate 351, on the curb plate of connecting plate 351 installation and mount pad 41, rotates the cover 35 front end and is connected with connecting axle 321. During polishing, the rotating sleeve 35 and the connecting shaft 321 rotate simultaneously. The front end of the rotating sleeve 35 is provided with a conical hole, the end part of the corresponding connecting shaft 321 is provided with an outer cone, and the conical hole is attached to the outer cone, so that the rotating sleeve 35 and the connecting shaft 321 are better in coaxiality, and the transmitted torque can be increased.

Further preferably, as shown in fig. 15, in order to prevent the relative rotation between the rotating sleeve 35 and the connecting shaft 321, a plug 352 is disposed in a conical hole at the front end of the rotating sleeve 35, a pin hole 3211 matched with the plug 352 is processed at the corresponding end surface of the connecting shaft 321, and the cross-sections of the plug 352 and the pin hole 3211 are polygonal, such as quadrilateral or hexagonal.

As shown in fig. 12, the connecting shaft 321 has a rectangular cross section, and a rectangular hole 3221 is formed at an axial position of the polishing sheet 322 to fit the connecting shaft 321. The connecting shaft 321 is provided with a plurality of layers of partitions 3212 in an array manner along the length direction, the cross sections of the partitions 3212 are circular, the diameter of each partition 3212 is larger than the length of a connecting line of diagonal lines of the rectangular cross section of the connecting shaft 321, the polishing sheet 322 is processed with a round hole 3222, the diameter of each round hole 3222 is larger than that of each partition 3212, and each round hole 3222 is communicated with the rectangular hole 3221. The connecting shaft 321 passes through the circular hole 3222 when mounted. When the polishing plate 322 is fixed as shown in fig. 13, the polishing plate 321 is located between the adjacent partitions 3212, and the rectangular hole 3221 is attached to the rectangular section of the connecting shaft 321. The pressing block 323 is arranged on one side of the round hole 3222 of the polishing disc 321, and when the polishing disc 322 is fixed, the pressing block 323 presses the connecting shaft 321 from one side of the round hole 3222, so that the polishing disc 322 is fixed on the connecting shaft 321.

The foregoing is only a preferred embodiment of the present invention and is not intended to be exhaustive or to limit the invention. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention.

Claims (9)

1. A bucket fed sanding device, comprising:

the conveying mechanism (10) comprises a rail (11) and a hoisting part (12) arranged on the rail (11) in a sliding mode, the hoisting part (12) comprises a cross rod (121) and a plurality of pull rods (122), the cross rod (121) is parallel to the rail (11), and the pull rods (122) are arranged below the cross rod (121) and used for being connected with mounting holes in the outer wall of the bucket;

the box body (20) is arranged below the conveying mechanism (10), a sliding groove (201) is formed in the top of the box body (20) along the conveying direction of the bucket, and the width of the sliding groove (201) is larger than that of the cross rod (121);

grinding machanism (30) is located inside box (20), and grinding machanism (30) includes bottom plate (31), and bottom plate (31) top is equipped with makes grinding dish (32), and bottom plate (31) move along the perpendicular to scraper bowl direction of delivery and sets up, and bottom plate (31) top is equipped with elevating system (40) for drive makes grinding dish (32) move along vertical direction.

2. A bucket fed grinding apparatus as claimed in claim 1, wherein the housing (20) is provided with a pair of parallel slide rails (21), the base plate (31) is slidably disposed on the slide rails (21) via rollers, the slide rails (21) have a triangular cross section, and the rollers have a circumferential groove with a triangular cross section for engaging with the slide rails (21); the box body (20) is provided with at least one pressure lever (22); the pressure lever (22) is positioned above the bottom plate (31) and is parallel to the moving direction of the bottom plate (31); a plurality of groove-shaped rollers (33) are arranged on the bottom plate (31) in an array mode along the length direction of the pressure rod (22), annular grooves are formed in the peripheries of the groove-shaped rollers (33), and the pressure rod (22) is in contact with the annular grooves.

3. The bucket-conveying grinding device as claimed in claim 1, wherein a rack (34) is arranged on one side of the bottom plate (31), the length direction of the rack (34) is consistent with the moving direction of the bottom plate (31), a driving motor (23) is arranged outside the bottom of the box body (20), a gear (231) is arranged on a rotating shaft of the driving motor (23), the gear (231) is meshed with the rack (34), and limiting plates (341) are arranged at two ends of the rack (34) and used for limiting the moving range of the bottom plate (31).

4. The bucket fed grinding apparatus of claim 1, wherein a positioning groove (24) is formed in the bottom of the edge of the interior of the box (20) corresponding to one side of the bucket along the feeding direction, and the positioning groove (24) is provided with a plurality of side rollers (241) in an array along the feeding direction of the bucket; the outer wall that corresponds the scraper bowl opposite side is equipped with multiunit pinch roller (25) along direction of delivery, and pinch roller (25) and the outer wall rolling contact of scraper bowl, pinch roller (25) move towards constant head tank (24) and set up, and the while through constant head tank (24) and pinch roller (25) is used for spacing the scraper bowl, further prevents the scraper bowl swing, improves the stability when polishing.

5. The bucket conveying and grinding device of claim 1, wherein a boss (311) is arranged above the bottom plate (31), the lifting mechanism (40) comprises a mounting seat (41), a hinged seat is arranged at the upper section of the mounting seat (41) and used for mounting the grinding disc (32), a screw rod (42) is vertically arranged at the bottom of the mounting seat (41) downwards, the screw rod (42) downwards penetrates through the top surface of the boss (311), a cavity is formed at the bottom of the boss (311), and the lower section of the screw rod (42) is positioned in the cavity at the bottom of the boss (311); a gear sleeve (43) is arranged outside the screw rod (42) in a threaded fit mode, a gear structure is arranged on the outer periphery of the gear sleeve (43), the inner portion of the gear sleeve (43) is in an internal threaded hole structure, the lifting mechanism (40) further comprises a driving gear (44), the driving gear (44) is meshed with the outer periphery of the gear sleeve (43), and the driving gear (44) is arranged on a rotating shaft of a rotating motor (45); gear sleeve (43), drive gear (44) and rotating electrical machines (45) all locate boss (311) cavity in, and gear sleeve (43) rotates and locates the top surface of boss (311) inside cavity.

6. The bucket conveying and grinding device is characterized in that an annular enclosing plate (411) is arranged around the lower section of the mounting seat (41), the annular enclosing plate (411) is sleeved outside the boss (311), and the screw rod (42) is sealed inside the annular enclosing plate (411) so as to achieve the purpose of dust prevention; the projection of the boss (311) on the bottom surface is of a rectangular structure, and the section of the annular enclosing plate (411) is of a rectangular ring structure.

7. A bucket fed grinding apparatus as claimed in claim 5, wherein the gear sleeve (43) has an upper section of a circular configuration at its outer periphery, connected to an inner race of a bearing (46); the bearing (46) is connected to a bearing seat (47) through an outer ring, and the bearing seat (47) is arranged on the top surface of the inner cavity of the boss (311); the periphery of the lower ring of the gear sleeve (43) is of a gear structure.

8. A bucket fed grinding device according to claim 5, wherein a grinding motor (48) is provided on the outer side of the lower section of the mounting seat (41), and the grinding motor (48) is connected to the grinding disc (32) through a transmission chain or belt to drive the grinding disc (32) to rotate; the grinding motor (48) is arranged at the lower section of the mounting seat (41).

9. A bucket fed grinding apparatus in accordance with claim 1, wherein the grinding disc (32) includes a connecting shaft (321) and a plurality of layers of overlapping grinding sheets (322), the grinding sheets (322) being detachably disposed through the connecting shaft (321).

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