CN220094091U

CN220094091U - Fixed-point grinding mechanism for surface of wear-resistant ball

Info

Publication number: CN220094091U
Application number: CN202320867914.2U
Authority: CN
Inventors: 章成希; 夏章霞; 张剑
Original assignee: Anhui Tongling Daming Malleable Iron Co ltd
Current assignee: Anhui Tongling Daming Malleable Iron Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-11-28
Anticipated expiration: 2033-04-18

Abstract

The utility model discloses a fixed-point polishing mechanism for the surface of a wear-resistant ball, which relates to the technical field of wear-resistant ball processing and comprises a bottom plate provided with a first U-shaped frame, wherein a power cylinder is arranged on the first U-shaped frame, the output end of the power cylinder is connected with a motor shell, a motor is fixedly connected with an upper protective cover with a polishing cavity through a second U-shaped frame, the upper protective cover is rotationally provided with a plurality of polishing covers, the polishing covers are in meshed connection with a driving gear on an output shaft of the motor through a transmission gear arranged at the upper end, a lower protective cover is arranged below an upper polishing disc, a discharging cavity is arranged on the lower protective cover, a plurality of through holes are formed in the bottom of the discharging cavity, and the fixed-adsorption unit is further included. The device fixes the wear-resistant balls through the adsorption positioning unit and polishes the wear-resistant balls at fixed points aiming at meat or pouring protruding parts, and polishes the wear-resistant balls at fixed points at one time, so that the working efficiency is high, the labor intensity is low and the polishing precision is high.

Description

Fixed-point grinding mechanism for surface of wear-resistant ball

Technical Field

The utility model relates to the technical field of wear-resistant ball processing, in particular to a fixed-point grinding mechanism for the surface of a wear-resistant ball.

Background

The wear-resistant ball is a crushing medium used in a ball mill and used for crushing materials in the mill, the white cast iron which takes chromium as a main alloy element is called chromium alloy cast iron for short, and the cast ball which takes chromium alloy cast iron as a material is called chromium alloy cast iron grinding ball; the other is that the cast grinding ball using the spheroidal graphite cast iron as the material is called spheroidal graphite cast iron grinding ball, and the wear-resistant ball is mainly applied to metallurgical mines, cement building materials, thermal power generation and the like; the wear-resistant ball is mainly formed by pouring, and polishing operation is needed after pouring.

The grinding ball (the diameter of the grinding ball is 3-8 cm) is ground in the roller of the sand cleaning machine for a long time, the appearance of the ball body becomes smooth, but a few grinding balls are protruded due to casting, the grinding balls cannot be ground easily and flatly in the roller of the sand cleaning machine, then manual grinding is carried out, the grinding balls with the protruded casting holes are selected manually, a grinding wheel is utilized for single grinding operation, the grinding efficiency is low, during grinding, the grinding end of the grinding ball needs to be manually in extrusion contact with the grinding wheel of the grinding wheel for grinding, meanwhile, the grinding ball needs to be rotated to finish comprehensive grinding of the protruded parts of the casting holes or the meat, the labor intensity is high, and the grinding condition of the grinding ball is observed by naked eyes to judge whether the grinding ball is ground smoothly, so that the grinding precision of the grinding ball cannot be controlled.

Disclosure of Invention

The utility model aims to provide a fixed-point polishing mechanism for the surface of a wear-resistant ball, which solves the problems in the background.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a wear-resisting ball surface fixed point grinding machanism, including installing the bottom plate of first U-shaped frame, install the power jar on the first U-shaped frame, just the output and the motor housing of power jar are connected, the motor passes through the second U-shaped frame and has the last protection casing fixed connection of polishing the chamber, go up the protection casing and be equidistant rotation of circumference and be provided with a plurality of cover that polishes, just the cover that polishes is bowl-shaped structure, just the interior concave surface of cover that polishes and the adaptation of standard wear-resisting ball surface, the cover that polishes through the drive gear that the upper end set up with motor output shaft drive gear meshing is connected, the below of going up the protection casing is provided with down the protection casing, be provided with the blowing chamber down, just the blowing chamber bottom is offered a plurality of with a plurality of the through-hole that the cover corresponds the cover that polishes sets up, just the diameter of through-hole is less than the diameter of standard wear-resisting ball, the internal diameter of going up the protection casing with the external diameter of lower protection casing unanimous, still including the absorption fixed unit that removes when preventing the wear-resisting ball to polish for producing absorption fixed to wear-resisting ball.

Preferably, the adsorption fixing unit comprises a ring pipe connected with the air cylinder through a hose, a plurality of elastic suction nozzles which are arranged in one-to-one correspondence with the through holes, and a lower pressing rod fixed on the outer wall of the upper protective cover, wherein the elastic suction nozzles are connected with the ring pipe through vertical pipes which are arranged oppositely, a spring is fixed in an inner cavity of the air cylinder, a piston block with an elastic pad wrapped on the outer surface is fixed at the upper end of the spring, a movable rod is arranged at the upper end of the piston block in a rotating mode, a contact rod is arranged at the upper end of the movable rod in a rotating mode, the contact rod is connected with the air cylinder in a rotating mode through a mounting frame, and the contact rod comprises a straight rod and an inclined rod which are connected together.

Preferably, the through hole is arranged to be of a conical structure, and an annular cambered surface attached to the outer surface of the wear-resistant ball is arranged in the inner cavity of the through hole.

Preferably, the maximum diameter of the through hole is smaller than three fifths of the diameter of the wear-resistant ball, and the minimum diameter of the through hole is larger than two fifths of the diameter of the wear-resistant ball.

Preferably, the cavity of the lower protective cover is coaxially provided with a hollow cylinder, a dust suction fan is arranged in the cavity of the hollow cylinder, a detachable collection cloth bag is arranged at the lower end of the hollow cylinder, and a protective net is arranged in the cavity of the hollow cylinder.

In summary, the utility model has the technical effects and advantages that:

the device is reasonable in structure, the wear-resistant balls are fixed through the adsorption positioning unit and fixed-point polishing is carried out on the projecting parts of the meat or pouring, and the wear-resistant balls are polished at one time, so that the working efficiency is high, the labor intensity is low and the polishing precision is high;

in the utility model, the through hole is in a conical structure, the inner cavity of the through hole is provided with the annular cambered surface which is attached to the outer surface of the wear-resistant ball, and the annular cambered surface can increase the friction force between the wear-resistant ball and the annular cambered surface, thereby being beneficial to ensuring the stability of the wear-resistant ball during polishing;

in the utility model, the maximum diameter of the through hole is smaller than three fifths of the diameter of the wear-resistant ball, when the diameter of the through hole is overlarge, the wear-resistant ball positioned above the through hole is approximately semicircular, the ground wear-resistant ball is inconvenient to take down by personnel, the minimum diameter of the through hole is larger than two fifths of the diameter of the wear-resistant ball, the wear-resistant ball has a large enough contact area and is positioned below the through hole, the adsorption area of the elastic suction nozzle on the wear-resistant ball can be increased, and the stability of the wear-resistant ball is facilitated.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the structure of the lower shield of the present utility model;

FIG. 3 is a schematic view of a partial cross-sectional structure of the cartridge of FIG. 1 in accordance with the present utility model;

FIG. 4 is a schematic view of the bottom structure of the upper shield of FIG. 1 according to the present utility model;

FIG. 5 is a schematic cross-sectional view of the through-hole of FIG. 2 according to the present utility model.

In the figure: 1. a bottom plate; 2. a first U-shaped frame; 3. a power cylinder; 4. a second U-shaped frame; 5. a motor; 6. an upper protective cover; 7. a lower protective cover; 8. an adsorption fixing unit; 81. an elastic suction nozzle; 82. a grommet; 83. a riser; 84. a hose; 85. an air cylinder; 86. a movable rod; 87. a contact lever; 88. a mounting frame; 89. pressing down a rod; 810. a spring; 811. a piston block; 9. a through hole; 10. polishing the cover; 11. a transmission gear; 12. a hollow cylinder; 13. collecting a cloth bag; 14. a protective net; 15. an annular cambered surface.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: the fixed-point grinding mechanism for the surface of the wear-resistant ball shown by referring to figures 1-4 comprises a bottom plate 1 provided with a first U-shaped frame 2, a power cylinder 3 is arranged on the first U-shaped frame 2, the output end of the power cylinder 3 is connected with a motor 5 shell, the motor 5 is fixedly connected with an upper shield 6 with a grinding cavity through a second U-shaped frame 4, the upper shield 6 is provided with a plurality of grinding covers 10 in a circumferential equidistant rotation manner, the grinding covers 10 are bowl-shaped structures, the inner concave surfaces of the grinding covers 10 are matched with the outer surfaces of the standard wear-resistant ball, the grinding covers 10 are engaged with a driving gear on the output shaft of the motor 5 through a transmission gear 11 arranged at the upper end, a lower shield 7 is arranged below the upper shield 6, a discharging cavity is arranged on the lower shield 7, a plurality of through holes 9 which are correspondingly arranged with the grinding covers 10 are arranged at the bottom of the discharging cavity, the diameter of the through holes 9 is smaller than the diameter of the standard wear-resistant ball, the inner diameter of the upper protective cover 6 is consistent with the outer diameter of the lower protective cover 7, the grinding machine further comprises an adsorption fixing unit 8 which is used for preventing the abrasion-resistant balls from moving during grinding, the adsorption fixing unit is used for adsorbing and fixing the abrasion-resistant balls, when the grinding machine is used, the meat-rich parts or pouring protruding parts of the abrasion-resistant balls are upwards arranged, one abrasion-resistant ball is placed in each through hole 9, after the placement is finished, the motor 5 is controlled, the power cylinder 3 works, the power cylinder 3 drives a plurality of grinding covers 10 which simultaneously rotate at a high speed to rotate downwards to rotationally grind the abrasion-resistant balls, the adsorption fixing unit 8 is used for fixing the abrasion-resistant balls, the abrasion-resistant balls are prevented from rotating to influence the grinding effect, the grinding machine can grind a plurality of abrasion-resistant balls at one time, the grinding work efficiency is improved, no personnel are required to conflict the abrasion-resistant balls with grinding devices, the grinding covers 10 adopt bowl shapes, the polishing machine can completely cover meat or pour protruding parts, can polish comprehensively without manual rotation, reduces labor intensity, meanwhile, the power cylinder 3 drives the descending height of the polishing cover 10 to be set by a program, and the descending height of the polishing cover 10 is standard height each time, so that the polished surface of the wear-resistant ball is smooth and round, and the polishing precision of the wear-resistant ball is greatly improved.

It should be noted that firstly, the height of the discharging cavity of the lower protective cover 7 is larger than the diameter of the wear-resistant ball, after the upper end of the lower protective cover 7 moves to the inner cavity of the upper protective cover 6, the polishing cover 10 contacts with the wear-resistant ball to polish, and a sealed space is formed by the upper protective cover 6 and the lower protective cover 7, so that metal scraps after internal polishing are prevented from diffusing and splashing; second, the polishing cover 10 is detachably arranged on the upper protective cover 6; thirdly, the device is mainly used for polishing the large-diameter abrasion-resistant balls with the diameters of 3 to 8 cm.

As a preferred embodiment in this example, as shown in fig. 1 to 3, the adsorption fixing unit 8 includes a collar 82 connected to an air cylinder 85 through a hose 84, a plurality of elastic suction nozzles 81 provided in one-to-one correspondence with the plurality of through holes 9, and a pressing down lever 89 fixed to the outer wall of the upper shield 6, the plurality of elastic suction nozzles 81 are connected to the collar 82 through opposite vertical pipes 83, a spring 810 is fixed to the inner cavity of the air cylinder 85, a piston block 811 having an elastic pad wrapped around the outer surface is fixed to the upper end of the spring 810, a movable lever 86 is rotatably provided at the upper end of the piston block 811, a contact lever 87 is rotatably provided at the upper end of the movable lever 86, and the contact lever 87 is rotatably connected to the air cylinder 85 through a mounting bracket 88, the contact lever 87 includes a straight lever and a diagonal lever engaged together, the elastic suction nozzles 81 are contacted with the bottom of the wear-resistant ball when the upper shield 6 moves downward, the upper pressing rod 89 contacts with the upper end of the straight rod of the contact rod 87 and forms extrusion, the extruded straight rod rotates around the rotating shaft on the mounting frame 88, so that the movable rod 86 drives the piston block 811 to move upwards, negative pressure is formed in the air cylinder 85, the vertical pipe 83 and the annular pipe 82, the elastic suction nozzle 81 adsorbs and fixes the wear-resistant ball, when the upper protective cover 6 continues to move downwards, the inclined rod is changed into a parallel state parallel to the air cylinder 85 from an inclined state, at the moment, the piston block 811 rises to the maximum height, the negative pressure in the air cylinder 85 is the maximum, the suction force of the elastic suction nozzle 81 to the wear-resistant ball is the maximum, the upper protective cover 6 continues to move downwards, and because the side end of the lower pressing rod 89 slides with the inclined rod and starts to polish the wear-resistant ball, the air pressure in the air cylinder 85 is unchanged in the whole polishing process, the lower pressing rod 89 moves upwards after polishing is finished, when the lower pressure rod 89 moves to the upper part of the inclined rod, the straight rod rotates and finally returns to the original position under the action of the elasticity of the spring 810, so that the contact rod 87 or the upper protective cover 6 or other parts can be prevented from being subjected to larger and larger extrusion force along with the continuous descending of the upper protective cover 6, and the parts are prevented from being damaged due to the overlarge extrusion force.

It should be noted that the outer surfaces of the pressing lever 89 and the contact lever 87 are both provided with smooth surfaces, so that the positioning friction therebetween can be reduced.

As a preferred implementation manner in this embodiment, as shown in fig. 5, the through hole 9 is configured as a conical structure, and the inner cavity of the through hole 9 is provided with an annular arc surface 15 attached to the outer surface of the wear-resistant ball, and the annular arc surface 15 can increase the friction force between the wear-resistant ball and the annular arc surface, which is beneficial to ensuring the stability of the wear-resistant ball during polishing.

When needing to notice, annular cambered surface sets up to the roughness, can strengthen the frictional action with the wear-resisting ball between, is favorable to improving the stability of wear-resisting ball more.

In this embodiment, the maximum diameter of the through hole 9 is smaller than three fifths of the diameter of the wear-resistant ball, when the diameter of the through hole 9 is too large, the wear-resistant ball above the through hole 9 is approximately semicircular, the ground wear-resistant ball is inconvenient to take down when people exert force, the minimum diameter of the through hole 9 is larger than two fifths of the diameter of the wear-resistant ball, the wear-resistant ball has a large enough contact area below the through hole 9, the adsorption area of the elastic suction nozzle 81 on the wear-resistant ball can be increased, and the stability of the wear-resistant ball is facilitated.

As a preferred implementation manner in this embodiment, as shown in fig. 1, the inner cavity of the lower protection cover 7 is coaxially provided with a hollow cylinder 12, a dust suction fan is installed in the inner cavity of the hollow cylinder 12, a detachable collection cloth bag 13 is installed at the lower end of the hollow cylinder 12, and metal scraps generated by polishing in a sealed polishing space formed by the upper protection cover 6 and the lower protection cover 7 can be pumped into the collection cloth bag 13 by the dust suction fan, and a protection net 14 is installed in the inner cavity of the hollow cylinder 12 to play a role in protection, so that safety accidents caused by contact between a wear-resisting ball or hands of an operator and the dust suction fan are prevented from entering the hollow cylinder 12.

It should be noted that the clearance of the protection net 14 is larger than the size of the metal chips.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a wear-resisting ball surface fixed point grinding machanism, including installing bottom plate (1) of first U-shaped frame (2), its characterized in that: install power jar (3) on first U-shaped frame (2), just the output and motor (5) shell connection of power jar (3), motor (5) are through last protection casing (6) fixed connection in second U-shaped frame (4) with have the chamber of polishing, go up protection casing (6) and be equidistant rotation of circumference and be provided with a plurality of cover (10) of polishing, just cover (10) are bowl-shaped structure of polishing, just the interior concave surface and the standard wear-resisting ball surface adaptation of cover (10) of polishing, cover (10) of polishing through drive gear (11) that the upper end set up with drive gear engagement on motor (5) output shaft is connected, the below of going up protection casing (6) is provided with protection casing (7) down, be provided with the blowing chamber down on protection casing (7), just the blowing chamber bottom has been seted up a plurality of with a plurality of cover (10) of polishing corresponds through-hole (9) the diameter of a plurality of cover (9) is less than the diameter of standard wear-resisting ball protection casing, go up protection casing (6) and prevent to adsorb the fixed outer diameter (8) when the wear-resisting ball is used for the fixed unit of polishing down.

2. The wear ball surface fixed point grinding mechanism of claim 1, wherein: the adsorption fixing unit (8) comprises a ring pipe (82) connected with an air cylinder (85) through a hose (84), a plurality of elastic suction nozzles (81) which are arranged in one-to-one correspondence with a plurality of through holes (9) and a pressing rod (89) fixed on the outer wall of the upper protection cover (6), wherein the elastic suction nozzles (81) are connected with the ring pipe (82) through vertical pipes (83) which are arranged oppositely, a spring (810) is fixed in an inner cavity of the air cylinder (85), a piston block (811) with an elastic cushion wrapped on the outer surface is fixed at the upper end of the spring (810), a movable rod (86) is arranged at the upper end of the piston block (811) in a rotating mode, a contact rod (87) is arranged at the upper end of the movable rod (86) in a rotating mode, and the contact rod (87) is connected with the air cylinder (85) in a rotating mode through a mounting frame (88), and the contact rod (87) comprises a straight rod and a diagonal rod which are connected together.

3. The wear ball surface fixed point grinding mechanism of claim 1, wherein: the through hole (9) is of a conical structure, and an annular cambered surface (15) attached to the outer surface of the wear-resistant ball is arranged in the inner cavity of the through hole (9).

4. A wear ball surface fixed point grinding mechanism as claimed in claim 3 wherein: the maximum diameter of the through hole (9) is smaller than three fifths of the diameter of the wear-resistant ball, and the minimum diameter of the through hole (9) is larger than two fifths of the diameter of the wear-resistant ball.

5. The wear ball surface fixed point grinding mechanism of claim 1, wherein: the inner cavity of the lower protective cover (7) is coaxially provided with a hollow cylinder (12), a dust suction fan is arranged in the inner cavity of the hollow cylinder (12), a detachable collecting cloth bag (13) is arranged at the lower end of the hollow cylinder (12), and a protective net (14) is arranged in the inner cavity of the hollow cylinder (12).