CN220589913U

CN220589913U - Slewing bearing formula balling-up dish

Info

Publication number: CN220589913U
Application number: CN202321977001.2U
Authority: CN
Inventors: 马江; 王旋; 谭涛; 马连涛
Original assignee: Shandong Hengyuanli Waste Technology Co ltd
Current assignee: Shandong Hengyuanli Waste Technology Co ltd
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2024-03-15
Anticipated expiration: 2033-07-26

Abstract

The utility model discloses a slewing bearing type balling disc which comprises a support, wherein a disc body capable of rotating along a shaft is arranged on the support, the disc body is a cylinder with an opening at the upper end and is obliquely arranged, a slewing bearing is arranged between the disc body and the support, a driving device capable of being meshed with the slewing bearing to drive the disc body to rotate is arranged on the support, and a scraper device capable of extending into the disc body is arranged on the support. The utility model has the advantages of improving the running stability of the balling disk, improving the balling efficiency, improving the applicability and the like.

Description

Slewing bearing formula balling-up dish

Technical Field

The utility model relates to the technical field of pellet production, in particular to a slewing bearing type pellet tray.

Background

After the spherical cores with uniform granularity enter the balling disc, the spherical cores move along a parabolic track under the action of centrifugal force, friction force and gravity in the disc. Due to the cohesiveness and plasticity of the materials, the ball core is continuously increased in the movement process. When the parameters of the dip angle, the edge height, the rotating speed, the water content and the like of the balling disc are fixed, the balling ball with certain range of grain size can leave the edge of the disc along the disengaging angle when the gravity of the balling ball is larger than other acting forces, and the granulation is completed. The balling disc is the main equipment for balling by building materials, chemical industry, cement and other factories, and the diameter of the disc body is increased along with the increase of the capacity required by customers. In the prior art, the transmission mostly adopts external gear meshing transmission, and gears are subjected to great axial force and radial force in the transmission, so that the gears are easy to damage, and meanwhile, the balling disc is unstable in operation, so that a finished product is unstable, and the balling efficiency and quality are affected.

Disclosure of Invention

The utility model aims to provide a rotary bearing type balling disc capable of improving running stability.

In order to solve the technical problems, the utility model comprises a slewing bearing type balling disk, which comprises a bracket and is structurally characterized in that: the rotary support is characterized in that a disc body capable of rotating along the shaft is arranged on the support, the disc body is a cylinder with an opening at the upper end and is obliquely arranged, a slewing bearing is arranged between the disc body and the support, a driving device capable of being meshed with the slewing bearing to drive the disc body to rotate is arranged on the support, and a scraper device capable of extending into the disc body is arranged on the support.

After adopting above-mentioned structure, drive arrangement and slewing bearing meshing, slewing bearing include with the moving part of disk body rigid coupling and with the fixed part of support rigid coupling, through drive arrangement and moving part meshing rotation, drive the disk body and rotate, in the moving part, slewing bearing bears great axial and radial load, stability when having guaranteed the disk body and rotated, avoid the disk body to topple over, make equipment mechanism compacter, scraper device stirs the ball and the material of disk body when the disk body rotates, avoid ball and the material adhesion formation unable roll and inhomogeneous condition, the yields have been improved.

The slewing bearing comprises an outer race ring fixedly connected with the support and an inner gear ring fixedly connected with the disc body, wherein the inner gear ring is provided with an inner gear, steel balls are arranged between the outer race ring and the inner gear ring, the inner gear ring and the outer race ring are in sliding rolling connection through the steel balls, the driving device is meshed with the inner gear of the inner gear ring, the inner gear ring is driven to rotate in the outer race ring through the driving device, the inner gear ring is in sliding rolling connection with the outer race ring through the steel balls, and further, larger axial load and radial load are borne, stability in rotation of the disc body is guaranteed, and overturning of the disc body is avoided.

The annular slide way for sliding the steel balls is arranged between the contact surfaces of the inner gear ring and the outer race ring, the diameter of the outer end surface of the upper part of the inner gear ring is larger than that of the outer end surface of the lower part, the diameter of the inner end surface of the upper part of the outer race ring is larger than that of the inner end surface of the lower part, the upper end of the outer end surface of the inner gear ring is provided with an upper seal groove which can extend inwards along the axis, the lower side of the inner end surface of the outer race ring is provided with a lower seal groove which extends outwards along the axis, seal belts which can seal the gap between the contact surfaces of the inner gear ring and the outer race ring are arranged in the upper seal groove and the lower seal groove, the contact surfaces of the inner gear ring and the outer race ring at the two ends of the steel balls are staggered, the staggered contact surfaces play a bearing role, bearable axial and radial loads are increased, stability of the ball forming disc during ball forming is improved, the seal belts are arranged through the upper seal groove and the lower seal groove, dust entering is prevented from affecting the performance of the rotary bearing, and smoothness of sliding rolling of the steel balls is ensured.

The sealing belt is made of wear-resistant nylon, and the wear-resistant nylon has good wear resistance and self-lubricating property, and is convenient for rotation of the slewing bearing.

The annular slide ways of the inner gear ring and the outer race ring are provided with oil channels, and steel balls and the annular slide ways are lubricated through the oil channels, so that the stability and smoothness of rotation of the inner gear ring are ensured, and the abrasion consumption during rotation is reduced.

The scraper device comprises a scraper seat and a scraper arranged on the scraper seat, wherein the scraper is obliquely arranged, and the scraper is used for scraping materials adhered to the bottom of a tray in the operation process, so that the adhered materials are cleaned, and the balling efficiency is improved.

The scraper device is located at the right part of the tray body, and when the scraper device rotates, compared with the scraper device, the scraper device is located in the middle, and the scraper device is located at the right part of the tray body, so that more materials and spheres in the tray body can enter the scraping range of the scraper, and the balling efficiency is improved.

The angle adjusting device capable of adjusting the angle of the disc body is arranged on the support, and the angle of the support is adjusted to meet the requirements of balling with different sizes, so that the applicability is improved.

In conclusion, the utility model has the advantages of improving the running stability of the balling disk, improving the balling efficiency, improving the applicability and the like.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 from the left;

fig. 3 is a partial enlarged view of the region a in fig. 1.

Detailed Description

As shown in fig. 1-3, the present utility model includes a stent 1. For convenience of description, let the left side of fig. 1 be front, the right side of fig. 1 be rear, let fig. 1 be left inwards perpendicular to the paper surface, and let fig. 1 be right outwards perpendicular to the paper surface. The support 1 is provided with a disc body 2 capable of circularly rotating, the disc body 2 is a cylinder with an opening at the upper end, the rear end face of the disc body 2 is fixedly connected with a slewing bearing 3, the support 1 is provided with a rotary gear meshed with the slewing bearing 3 and capable of driving the slewing bearing 3 to rotate, the disc body 2 is obliquely arranged, the support 1 is provided with a scraper device 4, and the scraper device 4 stretches into the disc body 2. The gear driving device drives the rotating gear to rotate, and the rotating gear drives the slewing bearing 3 to rotate through meshing, so that the disc body 2 is driven to rotate along the axis of the rotating gear as a shaft. After the spherical cores with uniform granularity enter the tray body 2, the materials are continuously adhered and rubbed along with the rotation of the tray body 2, so that the materials are wrapped on the surface of the spherical cores to form the spherical cores, and the spherical cores are gradually increased until the required size is achieved. The slewing bearing 3 bears larger axial and radial loads while the slewing bearing 3 is meshed with the rotary gear, so that the stability of the disc body 2 during rotation is ensured, the disc body 2 is prevented from overturning, and the equipment mechanism is more compact. The scraper device 4 stirs the ball and the material of disk body 2 when disk body 2 rotates, avoids ball and material adhesion to form unable roll and inhomogeneous condition, has improved the yields.

As shown in fig. 1 and 3, the slewing bearing 3 comprises an inner gear ring 32 positioned on the inner side and an outer bearing ring 31 sleeved on the outer side of the inner gear ring 32, gear teeth are arranged on the inner side wall of the inner gear ring 32, and the inner gear ring 32 is driven to rotate by the rotating gear through meshing of the gear teeth and the rotating gear. The ring gear 32 is fixedly connected to the mounting plate. Steel balls 33 are arranged between the outer race ring 31 and the inner gear ring 32, the outer race ring 31 is fixedly connected to the bracket 1, and sealing belts 35 for sealing the gaps are arranged at the upper end and the lower end of the gaps between the outer race ring 31 and the inner gear ring 32. The outer side of the inner gear ring 32 is provided with an inner ring groove, the inner side of the outer race ring 31 is provided with an outer ring groove, the cross sections of the bottom surfaces of the inner ring groove and the outer ring groove are semicircular, and the semicircular shape of the ring groove is the radius of the steel column. When the inner gear ring 32 is installed in the outer race ring 31, the positions of the inner ring groove and the outer ring groove correspond to each other, and half of the volume of the steel balls 33 are respectively accommodated, so that the steel column rolls in the ring groove formed by the inner ring groove and the outer ring groove. The ring grooves are respectively located at the centers of the outer race ring 31 and the ring gear 32 in the height direction, the inner ring groove divides the outer side surface of the ring gear 32 into an upper outer side surface and a lower outer side surface, and the outer ring groove divides the inner side surface of the outer race ring 31 into an upper inner side surface and a lower inner side surface. In this embodiment, the diameter of the upper outer side is greater than the diameter of the lower outer side, and the diameter of the upper inner side is less than the diameter of the lower inner side. I.e. the diameter of the upper part of the annulus gear 32 is larger than the diameter of the lower part. Correspondingly, the diameter of the upper portion of the inner ring of the outer race 31 is larger than the diameter of the lower portion. The contact surfaces of the inner gear ring 32 and the outer race ring 31 at the two ends of the steel balls 33 are staggered, and the staggered contact surfaces play a bearing role, so that bearable axial and radial loads are increased, and the stability of the balling disk during balling is improved. The upper end of the outer end face of the inner gear ring 32 is provided with an upper sealing groove which can extend inwards along the axis, the lower side of the inner end face of the outer race ring 31 is provided with a lower sealing groove which extends outwards along the axis, sealing belts 35 which can seal the gap between the contact faces of the inner gear ring 32 and the outer race ring 31 are arranged in the upper sealing groove and the lower sealing groove, the sealing belts 35 are arranged through the upper sealing groove and the lower sealing groove, and the sealing belts 35 are used for sealing so as to avoid the influence of dust entering on the performance of the slewing bearing. Sealing belts 35 are arranged at the upper end and the lower end of the contact surface of the inner gear ring 32 and the outer race ring 31, so that gaps between the contact surfaces are sealed, dust is prevented from entering, and the smoothness of sliding and rolling of the steel balls is ensured. In the embodiment, the sealing belt 35 is made of wear-resistant nylon, and the wear-resistant nylon has good wear resistance and self-lubricating property, and ensures the smoothness of the motion of the slewing bearing 3 while sealing. The annular slide ways of the inner gear ring 32 and the outer race ring 31 are provided with the oil channels 34, and the steel balls 33 and the annular slide ways are lubricated through the oil channels 34, so that the rotating stability and smoothness of the inner gear ring 32 are ensured, and the abrasion consumption during rotation is reduced. In this embodiment, the disk body 2 rear end is equipped with the supporting rib, and the supporting rib is used for supporting the bottom plate of disk body 2, avoids disk body 2 to warp when rotating the ball, has guaranteed pivoted stability. The rear side of the supporting rib is fixedly connected with a mounting plate through bolts, the mounting plate provides favorable conditions for mounting the slewing bearing 3, and stability is improved.

As shown in fig. 1, the bracket 1 is provided with an angle adjusting device capable of adjusting the angle of the tray 2. The bracket 1 comprises a supporting seat 11, a bottom bracket 12, a first bracket 13 and a second bracket 14, and an angle adjusting block 15 is arranged at the rear end of the bottom bracket 12. In this embodiment, the bottom bracket 12, the first bracket 13 and the second bracket 14 all include two, are respectively disposed at the left and right sides of the balling disk, and the two bottom brackets 12 and the two first brackets 13 are respectively fixedly connected through the cross beam, so as to keep the angles of the left and right sides of the balling disk consistent and keep the stability of balling. The support seat 11 is located at the front side, and the front ends of the first bracket 13 and the bottom bracket 12 are hinged with the support seat 11, respectively. The first bracket 13 is inclined and gradually rises from the backward height, the second bracket 14 is inclined at the backward side of the first bracket 13, and the second bracket 14 gradually falls from the front to the back. The rear end of the second bracket 14 is fixedly connected to the rear side of the bottom bracket 12. The second bracket 14 is provided with a clamping table, and the first bracket 13 is provided with an adjusting rod which can be arranged on the clamping table to adjust the angle between the first bracket 13 and the second bracket 14. The angle of the second bracket 14 is further adjusted by adjusting the position of the adjusting rod on the clamping table, so that the angle of the disc body 2 is further adjusted. The angle adjusting block 15 is arranged at the rear end of the bottom bracket 12, a plurality of adjusting holes with different heights are formed in the angle adjusting block 15, the bottom bracket 12 is fixedly connected with the angle adjusting block 15 through adjustment of different heights, the angle of the bottom bracket 12 is adjusted, the angle of the tray body 2 is adjusted, different angles are adjusted according to different materials, and the applicability of the balling tray is improved.

As shown in fig. 1 and 2, the doctor blade device 4 includes a doctor blade 41 and a doctor blade holder 42. The bracket 1 comprises a cross beam which is arranged on the tray body 2 and is parallel to the tray body 2, a scraper seat 42 is arranged on the lower side of the cross beam, and the scraper seat 42 is perpendicular to the cross beam and is parallel to the tray body 2. The scraping blades 41 are installed at two ends of the scraping blade holder 42, and the cross beam is located at the center of the scraping blade holder 42, namely, scraping areas of the scraping blades 41 in the disc body 2 are circular. The scraper seat 42 is arranged eccentrically compared to the center of the disc 2, i.e. the scraping area of the scraper 41 is located at the side of the disc 2. In this embodiment, it is located at the right part of the tray 2. The scraper 41 is inclined with respect to the axis of the tray 2, and preferably stirs the material entering the scraping area. Compared with the scraping area which is positioned in the middle and at the side edge, when the tray body 2 rotates, more unshaped balls and materials can be driven into the side edge area, the scraper 41 can better scrape some sticky materials, the scraper 41 scrapes the materials which are adhered to the bottom of the tray in the operation process, the sticky materials are cleaned, and the balling efficiency is improved.

Claims

1. The utility model provides a slewing bearing formula balling-up dish, its includes support (1), characterized by: install on support (1) can follow rotatory disk body (2) of axle, disk body (2) are upper end open-ended cylinder and slope setting, install slewing bearing (3) between disk body (2) and support (1), install on support (1) can with slewing bearing (3) meshing drive disk body (2) rotatory drive arrangement, be equipped with on support (1) can stretch into inside scraper device (4) of disk body (2).

2. A slewing bearing balling disk in accordance with claim 1 wherein: the slewing bearing (3) comprises an outer race ring (31) fixedly connected with the support (1) and an inner gear ring (32) fixedly connected with the disc body (2), wherein the inner gear ring (32) is provided with an inner gear, steel balls (33) are arranged between the outer race ring (31) and the inner gear ring (32), and the inner gear ring (32) and the outer race ring (31) are in sliding rolling connection through the steel balls (33).

3. A slewing bearing balling disk in accordance with claim 2 wherein: an annular slideway for sliding the steel balls (33) is arranged between the contact surfaces of the inner gear ring (32) and the outer race ring (31), the diameter of the outer end surface of the upper part of the inner gear ring (32) is larger than that of the outer end surface of the lower part, the diameter of the inner end surface of the upper part of the outer race ring (31) is larger than that of the inner end surface of the lower part, an upper sealing groove capable of extending inwards along the axis is arranged at the upper end of the outer end surface of the inner gear ring (32), a lower sealing groove extending outwards along the axis is arranged at the lower side of the inner end surface of the outer race ring (31), and sealing belts (35) capable of sealing the contact surface gaps of the inner gear ring (32) and the outer race ring (31) are arranged in the upper sealing groove and the lower sealing groove.

4. A slewing bearing balling disk in accordance with claim 3 wherein: the sealing belt (35) is made of wear-resistant nylon.

5. A slewing bearing balling disk in accordance with claim 3 wherein: and oil channels (34) are arranged on the annular slideways of the inner gear ring (32) and the outer race ring (31).

6. A slewing bearing balling disk in accordance with claim 1 wherein: the scraper device (4) comprises a scraper seat (42) and a scraper (41) arranged on the scraper seat (42), wherein the scraper (41) is obliquely arranged.

7. A slewing bearing balling disk in accordance with claim 1 wherein: the scraper device (4) is positioned at the right part of the tray body (2).

8. A slewing bearing balling disk as in any one of claims 1-7 wherein: an angle adjusting device capable of adjusting the angle of the tray body (2) is arranged on the bracket (1).