CN113601381A - Multi-driving device for polishing surface of large-size ceramic ball - Google Patents
Multi-driving device for polishing surface of large-size ceramic ball Download PDFInfo
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- CN113601381A CN113601381A CN202110913406.9A CN202110913406A CN113601381A CN 113601381 A CN113601381 A CN 113601381A CN 202110913406 A CN202110913406 A CN 202110913406A CN 113601381 A CN113601381 A CN 113601381A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
- B24B29/04—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for rotationally symmetrical workpieces, e.g. ball-, cylinder- or cone-shaped workpieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a multi-driving device for polishing the surface of a large-size ceramic ball, which comprises a driving part, a base, a clamping part and a polishing part which are sequentially arranged from bottom to top, wherein the driving part is fixedly connected with the base, the driving part is in transmission connection with the clamping part, a ceramic ball is arranged in the clamping part, the ceramic ball is in sliding contact with the polishing part, and the ceramic ball is in rolling contact with the clamping part; the clamping part comprises an outer rotating disc, an inner rotating disc is arranged in the outer rotating disc, a clamping piece is arranged below the inner rotating disc, a shaft sleeve is fixedly connected onto the base, the clamping piece is fixedly connected with the base through the shaft sleeve, a ceramic ball is positioned in the clamping piece, and the ceramic ball is in sliding contact with the clamping piece, the outer rotating disc and the inner rotating disc; the driving part is in transmission connection with the inner rotary disc and is in transmission connection with the outer rotary disc through a connecting piece. The invention can solve the problems of uneven polishing, local over-polishing, low utilization rate of the polishing wheel and the like in the surface polishing process of the large-size ceramic ball, and has small structure size, low cost and completely controllable polishing track.
Description
Technical Field
The invention relates to the technical field of high-precision spherical part processing, in particular to a multi-driving device for polishing the surface of a large-size ceramic ball.
Background
The ceramic material is a high-end engineering material, has excellent performances such as high hardness, high rigidity, high wear resistance and the like, has good corrosion resistance to acid, alkali and salt, and has excellent chemical stability and good dimensional stability at high temperature, so the ceramic material is used for engineering application with higher requirements on extreme working conditions and precision. The large-size ceramic ball is generally used for ceramic ball bearings of large-size high-speed machine tools, wind power generation devices, aerospace and high-speed motor cars, and long-service-life ceramic ball valves for oil extraction and oil gas transportation.
The manufacturing process of large-size ceramic balls generally comprises the following steps: high temperature and high pressure firing, rough machining with large removal, precision grinding to control size and spherical accuracy, and surface polishing to achieve less surface roughness. Polishing is to polish the surface of the sphere by using polishing media with various roughness, so that the dimensional precision and the geometric shape precision of the sphere can be effectively improved.
In conventional ceramic ball polishing, a ceramic ball is generally placed between a polishing disc and a plane, and polishing is achieved by controlling the bidirectional plane movement of the plane, or a planetary wheel structure is used, so that a ball revolves and rotates around the center of a planetary wheel to finish polishing. However, this method is only suitable for polishing of a smaller size sphere, and the size of the polishing apparatus also needs to be increased if the size of the sphere is increased. In mass production, a roller polishing method is also adopted, a large amount of ceramic balls, lime and abrasive materials are placed in an inclined tank-shaped roller, and when the roller rotates, the ceramic balls and the abrasive materials randomly roll and collide in the roller to remove surface peaks, so that the aim of reducing the surface roughness is fulfilled. However, this method is inefficient in polishing due to the randomness and low speed of the movement of the spheres, and when large-sized ceramic spheres are used, the possibility of the spheres colliding with each other to adversely affect the surface needs to be considered. The existing polishing apparatus is not suitable for the polishing process of large-sized ceramic balls.
The polishing quality mainly depends on the distribution uniformity of the polishing tracks on the spherical surface and the stability of the relative motion speed of the spherical body and the polishing medium in the contact process. At present, in the traditional ball polishing process, the movement process of a ball is uncertain passive movement including rolling, sliding and sliding rolling movement, and the polishing track distribution and the polishing relative speed are uncertain, so that the polishing effect is finally a probability problem. For small size ceramic balls, due to their small surface area, uniform polishing is generally achieved over a longer period of time in a random process. However, for large size ceramic balls, the surface area is large, the required random process time increases by a factor of two as the size increases, and the larger mass and moment of inertia also reduces the random polishing effect. The above-mentioned problems may lead to uneven polishing quality of large-sized ceramic balls, and particularly, local over-polishing may affect the surface precision and geometric precision required for finishing. Therefore, it is a difficult problem how to improve the polishing uniformity of the surface of the large-sized ceramic sphere.
Aiming at the problem of passive random motion of the ball in the traditional polishing process, the best solution is to limit the residual freedom degree of the ball while ensuring that the ball has enough freedom degree to complete the uniform contact of the ball and the polishing medium. To avoid passive randomness of the motion, these degrees of freedom must be fully controllable, so a multi-drive active control method must be introduced. Therefore, there is a need to research and develop a large-sized ceramic ball polishing multi-driving device capable of realizing complete controllability of polishing tracks, small size and low cost, so as to realize efficient and uniform surface polishing of large-sized ceramic balls.
Disclosure of Invention
The invention aims to provide a multi-driving device for polishing the surface of a large-size ceramic ball, which solves the problems in the prior art, can solve the problems of uneven polishing, local over-polishing, low utilization rate of a polishing wheel and the like in the process of polishing the surface of the large-size ceramic ball, and has the advantages of small structural size, low cost and completely controllable polishing track.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a multi-driving device for polishing the surface of a large-size ceramic ball, which comprises a driving part, a base, a clamping part and a polishing part, wherein the driving part, the base, the clamping part and the polishing part are sequentially arranged from bottom to top;
the clamping part comprises an outer rotating disc, an inner rotating disc is arranged in the outer rotating disc, a clamping piece is arranged below the inner rotating disc, a shaft sleeve is fixedly connected onto the base, the clamping piece is fixedly connected with the base through the shaft sleeve, the ceramic ball is positioned in the clamping piece, and the ceramic ball is in rolling contact with the clamping piece, the outer rotating disc and the inner rotating disc;
the driving part is in transmission connection with the inner rotary disc, and the driving part is in transmission connection with the outer rotary disc through a connecting piece.
Preferably, the polishing part comprises an external main shaft, a polishing wheel base disc is fixedly connected to the bottom end of the external main shaft, a polishing wheel is detachably connected to the bottom end of the polishing wheel base disc, and the polishing wheel is in sliding contact with the ceramic ball.
Preferably, the clamping part comprises a ball seat support fixedly connected with the shaft sleeve, a plurality of placing holes are formed in the top end of the ball seat support, a sheet metal support is arranged in the placing holes and fixedly connected with the ball seat support, a plurality of universal balls are fixedly connected to the top end of the sheet metal support, the ceramic balls are located among the universal balls, and the ceramic balls are in rolling contact with the universal balls.
Preferably, the number of the ball transfer units is three.
Preferably, the connecting piece comprises an outer rotating base plate in transmission connection with the driving part, a plurality of outer rotating supporting walls are fixedly connected to the top end of the outer rotating base plate, grooves are formed in the top ends of the outer rotating supporting walls, a plurality of clamping blocks are fixedly connected to the side walls of the outer rotating base plate, and the clamping blocks are matched with the grooves.
Preferably, the driving part comprises a first driving motor arranged below the base, the output end of the first driving motor penetrates through the shaft sleeve to be in transmission connection with the inner turntable, the top end of the base is fixedly connected with a second driving motor, and the second driving motor is in transmission connection with the outer rotating base plate.
Preferably, the inner side of the outer rotating disc and the outer side of the inner rotating disc can be detachably connected with an anti-slip rubber layer, and the anti-slip rubber layer is in rolling contact with the ceramic balls.
Preferably, the ball transfer unit is a nylon ball transfer unit.
Preferably, the bottom end of the universal ball is fixedly provided with a first bolt, the first bolt is connected with a first nut in a threaded manner, and the universal ball is fixedly connected with the sheet metal support through the first bolt and the first nut.
Preferably, the ceramic balls are arranged corresponding to the gap between the inner rotating disc and the outer rotating disc, and the highest position of the ceramic balls is higher than the highest position of the inner rotating disc and the highest position of the outer rotating disc.
The invention discloses the following technical effects:
1. through setting up the clamping part, place ceramic ball in the clamping part, under the effect of drive division and polishing portion, the rotation through inner dial and outward turning realizes the control to ceramic ball axis of rotation, and then improves ceramic ball's polishing effect.
2. The polishing part comprises a ball body, a polishing wheel and a ball body, wherein the ball body is arranged on the ball body, and the ball body is arranged on the ball body.
3. Through setting up the holder, the ceramic ball is located the holder, and the holder can restrict the three translation degree of freedom of ceramic ball, but does not restrict the three rotational degree of freedom of ceramic ball, consequently can make the ceramic ball rotate around the arbitrary axle in the normal position through the cooperation of inner dial and outer carousel, and then improves the polishing effect of ceramic ball.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a perspective view of a multi-driving apparatus for surface polishing of large-sized ceramic balls;
FIG. 2 is a perspective view of the connection of the inner dial and the outer dial;
FIG. 3 is a perspective view of the connection of the ceramic balls to the holder;
FIG. 4 is a perspective view of the non-slip rubber layer;
FIG. 5 is a perspective view of the tee bracket;
FIG. 6 is an enlarged view of a portion of FIG. 5 at A;
FIG. 7 is a perspective view showing a ball gimbal connection;
FIG. 8 is a schematic view of the operation of the multi-drive device for surface polishing of a ceramic ball of a certain size;
FIG. 9 is a schematic diagram of ceramic ball polishing;
FIG. 10 is a graph of a polishing trace at a first time under theoretical calculations;
FIG. 11 is a graph of a polishing trace at a second time in accordance with theoretical calculations;
FIG. 12 is a graph of the polishing trace at a third time in accordance with theoretical calculations;
the polishing machine comprises a base 1, a ceramic ball 2, an outer rotating disk 3, an inner rotating disk 4, a shaft sleeve 5, an outer spindle 6, a polishing wheel base 7, a polishing wheel 8, a ball seat support 9, a placing hole 10, a sheet metal support 11, a universal ball 12, an outer rotating base 13, an outer rotating support wall 14, a groove 15, a clamping block 16, a first driving motor 17, a second driving motor 18, an anti-slip rubber layer 19, a first bolt 20, a first nut 21, a reverse self-rotating shaft region 22, a homodromous self-rotating shaft region 23, a fixing hole 24, a turntable 25, an adjusting washer 26 and a locking bolt 27.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a multi-driving device for polishing the surface of a large-size ceramic ball, which comprises a driving part, a base 1, a clamping part and a polishing part, wherein the driving part, the base 1, the clamping part and the polishing part are sequentially arranged from bottom to top; the clamping part comprises an outer rotating disk 3, an inner rotating disk 4 is arranged in the outer rotating disk 3, a clamping piece is arranged below the inner rotating disk 4, a shaft sleeve 5 is fixedly connected onto the base 1, the clamping piece is fixedly connected with the base 1 through the shaft sleeve 5, the ceramic ball 2 is positioned in the clamping piece, and the ceramic ball 2 is in rolling contact with the clamping piece, the outer rotating disk 3 and the inner rotating disk 4; the driving part is in transmission connection with the inner rotary disk 4 and is in transmission connection with the outer rotary disk 3 through a connecting piece.
In use, the inner rotary disk 4 can be always connected with the driving part, the ceramic balls 2 can be placed in the holder without disassembling the inner rotary disk 4, the outer rotary disk 3 is installed after the ceramic balls 2 are placed in the holder so that the ceramic balls 2 are limited in position, and then the driving part and the polishing part are activated to rotate the outer rotary disk 3 and the inner rotary disk 4, so that the ceramic balls 2 continuously roll on the outer rotary disk 3 and the inner rotary disk 4 during the polishing work.
The ceramic balls 2 can rotate around any axis in situ in the holder. By controlling the outer turntable 3 andthe speed ratio of the inner rotary disc 4 can realize the control of the rotation shaft of the ceramic ball 2. The rotation axis will always fall in the section plane formed by the two contact points of the ceramic ball 2 with the outer turntable 3 and the inner turntable 4 and the center of the ball. From the motion analysis, it can be seen that the rotation axis of the ceramic balls 2 falls in the reverse rotation axis region 22 when the two outer turntables 3 and the inner turntables 4 rotate in the reverse directions, and the specific position is determined by the ratio of the linear velocities of the contact points of the outer turntables 3 and the inner turntables 4 with the ceramic balls 2. When the rotation directions of the outer rotating disk 3 and the inner rotating disk 4 are the same, the rotation shaft falls in the same-direction rotation shaft area 23, and the specific position is determined by the ratio of the linear speeds. The device can realize more uniform polishing tracks under the control of a certain algorithm. The rotation axis angle calculation mode is as follows: the contact point of the outer turntable 3 and the inner turntable 4 and the sphere center angle are respectively alpha and beta, the rotation axis angle of the ceramic ball 2 is theta, the rotation speed of the ball is w, and the radius r of the ball is0The rotating speed of the inner rotating disk 4 and the outer rotating disk 3 is n1And n2The radius of the contact point of the inner rotating disk 4 and the outer rotating disk 3 is r1、r2. The rotation axis θ and the rotation speed w can be calculated by the following equation:
when the rotating speed direction is opposite
The rotating speed direction is the same
When only the shaft angle θ is considered, a comparison can be made using two equations in each equation set to a calculation formula relating only to the angle and the rotational speed ratio:
the rotating speed direction is opposite: sin (theta-alpha)/sin (pi-beta-theta) ═ n1/n2
The rotating speed direction is the same: sin (α - θ)/sin (β + θ) ═ n1/n2
Theoretical simulation verifies that the device can realize a completely controllable grinding track.
Further optimization scheme, polishing portion includes outside main shaft 6, and 6 bottom rigid couplings of outside main shaft have polishing wheel base plate 7, and 7 bottom detachable connections of polishing wheel base plate have polishing wheel 8, and polishing wheel 8 and ceramic ball 2 sliding contact. Polishing wheel 8's effect is to polishing ceramic ball 2, wherein, polishing wheel basal disc 7 is connected with outside lathe (not shown in the figure) under the effect of outside main shaft 6, outside lathe can be milling and drilling machine, milling machine etc. outside lathe provides power for polishing wheel 8, drive polishing wheel basal disc 7 and then drive polishing wheel 8 and realize rotary motion under the effect of outside lathe, horizontal reciprocating motion and vertical motion, realize the polishing operation to ceramic ball 2 on the one hand, on the other hand can realize the comparatively even consumption of polishing wheel 8, and because polishing wheel 8 belongs to the consumables in the course of working, consequently, polishing wheel 8 can dismantle with polishing wheel basal disc 7 and be connected, so that change polishing wheel 8, and polishing wheel 8 and polishing wheel basal disc 7 can dismantle and be connected and belong to prior art, do not too much repeated here.
Further optimize the scheme, the holder includes the ball seat support 9 with 5 rigid couplings of axle sleeve, and a plurality of holes 10 of placing have been seted up on ball seat support 9 top, place and be provided with panel beating support 11 in the hole 10, panel beating support 11 and ball seat support 9 rigid coupling, and 11 top rigid couplings of panel beating support have a plurality of universal ball 12, and ceramic ball 2 is located between a plurality of universal ball 12, and ceramic ball 2 and a plurality of universal ball 12 rolling contact. The sheet metal support 11 in the placing hole 10 is used for placing the ceramic balls 2, wherein the placing hole 10 is provided with a plurality of ceramic balls 2, so that the polishing operation can be simultaneously performed on the plurality of ceramic balls 2, and the polishing efficiency of the ceramic balls 2 is improved.
Corresponding fixing holes 24 are respectively formed in the sheet metal support 11 and the ball seat support 9, and the fixing holes 24 can be used for placing locking bolts 27 so as to fix the sheet metal support 11 on the ball seat support 9.
In a further optimized scheme, the number of the universal balls 12 is three. During operation, the ceramic ball 2 and the universal ball 12 are kept in high-pair non-sliding point contact, so that in a pressing contact state, the sheet metal support 11 limits three translational degrees of freedom of the ceramic ball 2 and does not limit three rotational degrees of freedom of the ceramic ball 2. The ceramic balls 2 can rotate around any axis in situ in the sheet metal support 11.
According to a further optimized scheme, the connecting piece comprises an outer rotating base plate 13 in transmission connection with the driving portion, a plurality of outer rotating supporting walls 14 are fixedly connected to the top end of the outer rotating base plate 13, grooves 15 are formed in the top ends of the outer rotating supporting walls 14, a plurality of clamping blocks 16 are fixedly connected to the side walls of the outer rotating plate 3, and the clamping blocks 16 are matched with the grooves 15. The outer rotating base plate 13 is in transmission connection with the driving part, the ball seat support 9 is arranged between the outer rotating base plate 13 and the inner rotating plate 4, when the ceramic ball driving device is used, the driving part drives the outer rotating base plate 13 to rotate, the outer rotating base plate 3 rotates under the action of the outer rotating support wall 14 and the clamping block 16, meanwhile, the outer rotating support wall 14 plays a role of supporting the outer rotating plate 3, the outer rotating plate 3 and the inner rotating plate 4 are located at the same height, and therefore movement of the ceramic ball 2 is controlled.
According to a further optimized scheme, the driving part comprises a first driving motor 17 arranged below the base 1, the output end of the first driving motor 17 penetrates through the shaft sleeve 5 to be in transmission connection with the inner rotary disc 4, the top end of the base 1 is fixedly connected with a second driving motor 18, and the second driving motor 18 is in transmission connection with the outer rotary base disc 13. The first driving motor 17 is used for controlling the inner turntable 4 to rotate, the output end of the second driving motor is connected with the turntable 25, and the turntable 25 is used for converting the rotation of the output end of the second driving motor into the rotation of the outer rotating base plate 13.
In a further optimized scheme, the inner side of the outer rotary disk 3 and the outer side of the inner rotary disk 4 can be detachably connected with an anti-skid rubber layer 19, and the anti-skid rubber layer 19 is in rolling contact with the ceramic balls 2. Due to the difficult processing property of the ceramic material, the surface polishing time of the ceramic ball 2 is longer than that of a steel ball. If the ceramic balls 2 are directly contacted with the outer rotating disk 3 and the inner rotating disk 4, the inner and outer conical surfaces are worn under a long working condition. The abrasion causes the outer and inner disks 3 and 4 to have a reduced driving ability and scratch the surface of the polished ceramic balls 2. Therefore, the anti-slip rubber layer 19 is additionally arranged between the ceramic ball 2 and the outer rotating disk 3 and the inner rotating disk 4, so that the polished surface is prevented from being damaged, meanwhile, the ceramic ball 2 is prevented from sliding with the outer rotating disk 3 and the inner rotating disk 4, and the anti-slip rubber layer 19 can be inclined according to actual use conditions, so that the protection of the ceramic ball 2 is improved. And considering that the rubber in the anti-slip rubber layer 19 is fatigue-aged, the present device designs the anti-slip rubber layer 19 as a replaceable part to improve the polishing effect on the ceramic balls 2.
In a further optimized scheme, the universal ball 12 is a nylon universal ball. The ball bearings 12 are nylon ball bearings, and even in a point contact state, the nylon material does not scratch the surface of the ceramic ball 2, so that the quality of the finished ceramic ball 2 is improved.
Further optimize the scheme, universal ball 12 bottom fixed mounting has first bolt 20, and threaded connection has first nut 21 on first bolt 20, and universal ball 12 passes through first bolt 20 and first nut 21 and panel beating support 11 rigid coupling. The universal ball 12 is screwed to the sheet metal bracket 11 by a first bolt 20 and a first nut 21.
The first bolt 20 is provided with an adjusting washer 26, and the adjusting washer 26 is used for adjusting the height of the ball transfer 12, so that the ceramic ball 2 is uniformly contacted with the three ball transfer 12.
Further optimizing the scheme, the ceramic ball 2 is correspondingly arranged with the gap between the inner rotary disk 4 and the outer rotary disk 3, and the highest position of the ceramic ball 2 is higher than the highest position of the inner rotary disk 4 and the highest position of the outer rotary disk 3. The highest position of the ceramic balls 2 should protrude from the gap between the inner turntable 4 and the outer turntable 3, and the highest positions of the inner turntable 4 and the outer turntable 3 should be lower than the highest position of the ceramic balls 2, so that the inner turntable 4 and the outer turntable 3 do not affect the normal use of the ceramic balls 2 when the polishing wheel 8 polishes the ceramic balls 2.
The working principle is that when the ceramic ball 2 is polished, when the ceramic ball polishing machine is used, the ceramic ball 2 is placed in the sheet metal support 11, the outer rotary disc 3 is installed on the outer rotary supporting wall 14 through the clamping block 16, the first driving motor 17 and the second driving motor 18 are started to enable the ceramic ball 2 to move, then the external machine tool is started to drive the external spindle 6 to move, further the polishing wheel 8 on the polishing wheel base disc 7 is driven to rotate, horizontally reciprocate and vertically move, the ceramic ball 2 is polished, after polishing is finished, the polishing wheel base disc 7 is lifted, connection between the outer rotary disc 3 and the outer rotary supporting wall 14 is removed, the polished ceramic ball 2 is taken out, and then polishing operation of the next batch is carried out.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (10)
1. A multi-drive device for polishing the surface of a large-size ceramic ball is characterized by comprising a drive part, a base (1), a clamping part and a polishing part which are sequentially arranged from bottom to top, wherein the drive part is fixedly connected with the base (1), the drive part is in transmission connection with the clamping part, a ceramic ball (2) is arranged in the clamping part, the ceramic ball (2) is in sliding contact with the polishing part, and the ceramic ball (2) is in rolling contact with the clamping part;
the clamping part comprises an outer rotating disc (3), an inner rotating disc (4) is arranged in the outer rotating disc (3), a clamping piece is arranged below the inner rotating disc (4), a shaft sleeve (5) is fixedly connected onto the base (1), the clamping piece is fixedly connected with the base (1) through the shaft sleeve (5), the ceramic ball (2) is positioned in the clamping piece, and the ceramic ball (2) is in rolling contact with the clamping piece, the outer rotating disc (3) and the inner rotating disc (4);
the driving part is in transmission connection with the inner rotating disc (4), and the driving part is in transmission connection with the outer rotating disc (3) through a connecting piece.
2. The multi-driving apparatus for surface polishing of large-sized ceramic balls according to claim 1, wherein: the polishing part comprises an external main shaft (6), a polishing wheel base disc (7) is fixedly connected to the bottom end of the external main shaft (6), a polishing wheel (8) is detachably connected to the bottom end of the polishing wheel base disc (7), and the polishing wheel (8) is in sliding contact with the ceramic ball (2).
3. The multi-driving apparatus for surface polishing of large-sized ceramic balls according to claim 1, wherein: the holder include with ball seat support (9) of axle sleeve (5) rigid coupling, a plurality of holes (10) of placing have been seted up on ball seat support (9) top, be provided with panel beating support (11) in placing hole (10), panel beating support (11) with ball seat support (9) rigid coupling, panel beating support (11) top rigid coupling has a plurality of universal ball (12), ceramic ball (2) are located a plurality of between universal ball (12), just ceramic ball (2) and a plurality of universal ball (12) rolling contact.
4. The multi-driving apparatus for surface polishing of large-sized ceramic balls according to claim 3, wherein: the number of the universal balls (12) is three.
5. The multi-driving apparatus for surface polishing of large-sized ceramic balls according to claim 1, wherein: the connecting piece comprises an outer rotating base plate (13) in transmission connection with the driving part, a plurality of outer rotating supporting walls (14) are fixedly connected to the top end of the outer rotating base plate (13), a groove (15) is formed in the top end of each outer rotating supporting wall (14), a plurality of clamping blocks (16) are fixedly connected to the side wall of the outer rotating plate (3), and the clamping blocks (16) are matched with the grooves (15).
6. The multi-driving apparatus for surface polishing of large-sized ceramic balls according to claim 5, wherein: the driving part comprises a first driving motor (17) arranged below the base (1), the output end of the first driving motor (17) penetrates through the shaft sleeve (5) to be in transmission connection with the inner rotating disc (4), a second driving motor (18) is fixedly connected to the top end of the base (1), and the second driving motor (18) is in transmission connection with the outer rotating base disc (13).
7. The multi-driving apparatus for surface polishing of large-sized ceramic balls according to claim 1, wherein: the inner side of the outer turntable (3) and the outer side of the inner turntable (4) are both detachably connected with anti-slip rubber layers (19), and the anti-slip rubber layers (19) are in rolling contact with the ceramic balls (2).
8. The multi-driving apparatus for surface polishing of large-sized ceramic balls according to claim 3, wherein: the universal ball (12) is a nylon universal ball.
9. The multi-driving apparatus for surface polishing of large-sized ceramic balls according to claim 3, wherein: universal ball (12) bottom fixed mounting has first bolt (20), threaded connection has first nut (21) on first bolt (20), universal ball (12) pass through first bolt (20) with first nut (21) with panel beating support (11) rigid coupling.
10. The multi-driving apparatus for surface polishing of large-sized ceramic balls according to claim 1, wherein: the ceramic ball (2) is arranged corresponding to a gap between the inner rotary disc (4) and the outer rotary disc (3), and the highest position of the ceramic ball (2) is higher than the highest position of the inner rotary disc (4) and the highest position of the outer rotary disc (3).
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115194606A (en) * | 2022-09-08 | 2022-10-18 | 泗洪星耀制造有限公司 | A equipment of polishing for ball valve ball core |
| CN115213799A (en) * | 2022-09-20 | 2022-10-21 | 常熟非凡新材股份有限公司 | High-precision mining machine wear-resistant ball surface polishing machine |
| CN116237840A (en) * | 2023-03-16 | 2023-06-09 | 常州东风轴承有限公司 | Energy-saving and environment-friendly bearing polishing integrated device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115194606A (en) * | 2022-09-08 | 2022-10-18 | 泗洪星耀制造有限公司 | A equipment of polishing for ball valve ball core |
| CN115194606B (en) * | 2022-09-08 | 2023-01-31 | 泗洪星耀制造有限公司 | A equipment of polishing for ball valve ball core |
| CN115213799A (en) * | 2022-09-20 | 2022-10-21 | 常熟非凡新材股份有限公司 | High-precision mining machine wear-resistant ball surface polishing machine |
| CN116237840A (en) * | 2023-03-16 | 2023-06-09 | 常州东风轴承有限公司 | Energy-saving and environment-friendly bearing polishing integrated device |
| CN116237840B (en) * | 2023-03-16 | 2024-01-09 | 常州东风轴承有限公司 | Energy-saving and environment-friendly bearing polishing integrated device |
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