CN112405314A

CN112405314A - Ball polishing device

Info

Publication number: CN112405314A
Application number: CN202011368898.XA
Authority: CN
Inventors: 张淑敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-02-26

Abstract

The invention relates to a ball polishing device, which effectively solves the problems of uneven polishing, high energy consumption and poor stability of ball polishing equipment; the technical scheme includes that the polishing machine comprises a base, a rotatable arc-shaped frame is mounted on the base, a semicircular polishing sheet is mounted in the arc-shaped frame, a tray for bearing a ball body is mounted at the lower end of the arc-shaped frame, four groups of clamping units are arranged on the base, the circumferences of the clamping units are uniformly distributed on the outer side of the arc-shaped frame, the clamping units clamp the ball body from four directions, and when the arc-shaped frame rotates to one clamping unit, the clamping units can avoid the arc-shaped frame.

Description

Ball polishing device

Technical Field

The invention relates to the field of grinding and polishing, in particular to a sphere polishing device.

Background

In ball processing, lapping and polishing are a common and important process; at present, two modes of manual polishing and machine polishing are mainly adopted for polishing the spheres, and the manual polishing mainly aims at the processing of the spheres with less workload and low precision requirement; the machine polishing mode mainly comprises two modes, one mode is that a ball body is supported and fixed on a rotary workbench and rotates along with the workbench, and a polishing sheet is fixed to polish the ball body, so that a polishing dead point can be formed at a clamping or supporting point, the fixed point needs to be polished independently at a later stage, the polishing uniformity and consistency are ensured, the mode easily enables the ball body to form different textures or gloss at the fixed point, and the ball body with high requirements on precision and appearance is greatly influenced; the other way is that the ball body is arranged on a roller wheel, the roller wheel drives the ball body to roll, and the polishing sheet is fixed to polish the ball body, although the way does not have a fixed supporting point, the path for the roller wheel to drive the ball body to roll is difficult to accurately set, so that the polishing frequency and the polishing degree of each part of the ball body are uneven; moreover, the two polishing modes of the machine are that the ball body rotates, and for a large-sized ball body, a large amount of energy is needed to rotate the ball body, so that the power of the equipment is high, the energy consumption is high, the momentum for rotating the large-sized ball body is large, especially for the ball body with uneven mass distribution, the stability for rotating the large-sized ball body is poor, and safety accidents are easily caused.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the ball polishing device, which effectively solves the problems of uneven polishing, high energy consumption and poor stability of ball polishing equipment.

The technical scheme includes that the ball polishing device comprises a base, wherein a vertically-arranged arc-shaped frame is mounted on the base, the lower end of the arc-shaped frame is rotatably mounted on the base, a semicircular polishing sheet concentric with the arc-shaped frame is mounted in the arc-shaped frame through a plurality of connecting rods, a spherical arc-shaped tray is mounted at the lower end of the inner side of the arc-shaped frame and used for bearing a ball, an avoiding groove is formed in the upper surface of the tray, and the lower end of the polishing sheet can extend into the avoiding groove and extend to the lowest point of the ball; four groups of clamping units with the circumference uniformly distributed on the outer side of the arc-shaped frame are arranged on the base, each group of clamping units comprises a stand column fixed on the base, a transverse rod horizontally facing the center of the arc-shaped frame is penetrated through the upper end of the stand column in a sliding manner, a clamping block is installed at the inner end of the transverse rod, a pressure spring is installed between the clamping block and the stand column, electromagnets are respectively installed at the outer end of the transverse rod and the outer side of the stand column, the two electromagnets are repelled after being electrified and can push the transverse rod to slide outwards under the action of the pressure spring, each group of clamping units also comprises two arc-shaped metal sheets fixed on the base, the two metal sheets are arranged at intervals and are concentric with the rotating center of the arc-shaped frame, the two metal sheets and the two electromagnets in the same group are connected in series to an access circuit, a vertical metal rod is fixed on the lower side, thereby energizing both electromagnets of the set.

When the polishing device is used for polishing large spheres, the power of equipment can be greatly reduced, the stability and the safety of sphere polishing work can be effectively improved, and the spheres are uniformly polished without dead angles.

Drawings

Fig. 1 is a front sectional view of the present invention.

Fig. 2 is a right side cross-sectional view of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is an enlarged view of the position a in fig. 1.

Fig. 5 is a left side cross-sectional view at an elongated blind hole.

Fig. 6 is a top view of the tray.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.

As shown in fig. 1 to 6, the polishing device comprises a base 1, wherein a vertically placed arc-shaped frame 2 is installed on the base 1, the lower end of the arc-shaped frame 2 is rotatably installed on the base 1, a semicircular polishing sheet 4 concentric with the arc-shaped frame 2 is installed in the arc-shaped frame 2 through a plurality of connecting rods 3, a spherical arc-shaped tray 5 is installed at the lower end of the inner side of the arc-shaped frame 2, the tray 5 is used for bearing a sphere, an avoiding groove 6 is formed in the upper surface of the tray 5, and the lower end of the polishing sheet 4 can extend into the avoiding groove 6 so as to extend to the lowest point of the sphere; be equipped with four groups of circumference equipartition clamping unit in the arc frame 2 outside on base 1, every group clamping unit includes a stand 7 of fixing on base 1, the horizontal pole 8 of a level towards the 2 centre of a circle of arc frame is worn to be equipped with in the upper end of stand 7 slides, a clamp splice 9 is installed to the inner of horizontal pole 8, install pressure spring 10 between clamp splice 9 and the stand 7, an electro-magnet 11 is respectively installed in the outer end of horizontal pole 8 and the outside of stand 7, two electro-magnets 11 repel each other after the circular telegram, can promote horizontal pole 8 to overcome the effect of pressure spring 10 and outwards slide, every group clamping unit still includes two curved sheetmetals 12 of fixing on base 1, two sheetmetals 12 interval arrangement and concentric with the center of rotation of arc frame 2, two sheetmetals 12 and two electro-magnets 11 of the same group connect the circuit in series, the downside of arc frame 2 is fixed with a vertical metal pole 13, metal pole 13 can follow the interval of four group sheetmetals 12 in proper order and pass through and with The group metal sheet 12 is turned on, thereby energizing the two electromagnets 11 of the group.

The upper surface of the base 1 is provided with a vertical mounting hole 14, the lower end of the arc-shaped frame 2 is provided with a vertical shaft section, and the shaft section is inserted into the mounting hole 14 to realize the rotatable mounting of the arc-shaped frame 2 on the base 1; a liquid channel 15 is formed in the arc-shaped frame 2, an opening of the liquid channel 15 is positioned at the bottom of a shaft section of the arc-shaped frame 2, a vertical plunger 16 is arranged in the mounting hole 14, the upper end of the plunger 16 is slidably inserted into the opening of the liquid channel 15 to seal the opening, the liquid channel 15 is filled with hydraulic oil, the plunger 16 supports the arc-shaped frame 2 through the hydraulic oil, and an end-face bearing 17 is arranged between the lower end of the plunger 16 and the bottom of the mounting hole 14, so that the plunger 16 and the arc-shaped frame 2 can flexibly rotate in the mounting hole 14; the equal slidable of a plurality of connecting rods 3 wears to establish in 2 inboard and connecting rod 3 of arc frame keep away from the one end of throwing polished section 4 all stretches into in the liquid way 15, and the same radial force can be applyed a plurality of connecting rods 3 to the hydraulic oil in the liquid way 15, makes 4 each departments of throwing polished section the same to spheroidal pressure to guarantee that the spheroid each department polishes the dynamics the same.

The arc-shaped frame 2 is provided with an oil filling port 18 communicated with the highest point of the liquid channel 15, the oil filling port 18 is sealed by a plug 19, and the oil filling port 18 is used for filling oil into the liquid channel 15.

Every connecting rod 3 lie in liquid channel 15 in the one end on the liquid channel 15 inner wall that is right all be equipped with radial extension blind hole 20, the tip of connecting rod 3 can stretch into in the extension blind hole 20, can prolong connecting rod 3 radial sliding's stroke on the one hand, on the other hand supports the afterbody of connecting rod 3, improves the stability of connecting rod 3, the inner wall of extension blind hole 20 is opened there is axial groove 21, with liquid channel 15 and the afterbody intercommunication of connecting rod 3.

The connecting rod 3 is a telescopic rod formed by connecting an inner rod and an outer rod through threads, and the length of the connecting rod 3 can be adjusted through the threads when the sliding stroke of the connecting rod 3 is not enough to adapt to the diameter of the polishing sheet 4.

One end of the connecting rod 3 connected with the polishing sheet 4 is provided with a threaded connecting sleeve 22 through threads in a screwed mode, a threaded head 23 is fixed on the outer side of the polishing sheet 4, the connecting rod 3 can be detachably connected with the polishing sheet 4 through the threaded connecting sleeve 22 and the threaded head 23, and therefore the polishing sheet 4 can be replaced.

The outside of arc frame 2 be equipped with an oblique supporting wheel 24, supporting wheel 24 can roll on base 1 along with arc frame 2, plays the bracing effect to arc frame 2, improves the stability of arc frame 2 rotation in-process.

A fork hole 25 is formed in the outer side of the arc-shaped frame 2, a fork 26 is arranged in the fork hole 25 in a sliding mode, the supporting wheel 24 is arranged at the lower end of the fork 26, and a supporting spring 27 is arranged between the upper end of the fork 26 and the hole bottom of the fork hole 25, so that the supporting wheel 24 can automatically stretch and retract along with the pressing degree of the arc-shaped frame 2.

Tray 5 install on arc frame 2 through screw thread detachably, can change the tray 5 of corresponding diameter according to the spheroid diameter, the last surface mounting of tray 5 has ball 28, makes tray 5 when bearing the spheroid, the spheroid rotates in a flexible way relatively.

The shaft section of the arc-shaped frame 2 is provided with a first gear 29, the base 1 is provided with a driving motor 30, the driving motor 30 is connected with a second gear 31, and the second gear 31 is meshed with the first gear 29 so as to drive the arc-shaped frame 2 to rotate.

Before polishing, firstly selecting a tray 5 and a polishing sheet 4 with the same diameter as the sphere according to the diameter of the sphere to be polished, installing the tray 5 on an arc-shaped frame 2, adjusting the length of a connecting rod 3, installing the polishing sheet 4 on the connecting rod 3 through a threaded connecting sleeve 22, and extending the lower end of the polishing sheet 4 into an avoiding groove 6 on the tray 5; then, the sphere is hung on the tray 5, and the upper end and the lower end of the polishing sheet 4 are respectively positioned at the highest point and the lowest point of the sphere, so that the sphere is semi-surrounded; under the effect of ball weight, arc frame 2 is true on plunger 16 through hydraulic pressure oil pressure, and the pressure effect of the hydraulic oil in liquid way 15 is exerted radial force at the afterbody of connecting rod 3 to make polished section 4 compress tightly on the spheroid, because the pressure of 3 afterbody of each connecting rod is the same, consequently polished section 4 each department is the same to spheroidal pressure, guarantees that the spheroid is polishing dynamics unanimous everywhere.

The spheroid hangs the back of putting, the spheroid is cliied under the effect of pressure spring 10 to four clamp splice 9, then start driving motor 30, driving motor 30 drives arc frame 2 through two gears and rotates, tray 5 and polished section 4 rotate along with arc frame 2 is synchronous, because the spheroid is by the centre gripping of a plurality of clamp splice 9, and because the big quality spheroid has very big inertia, the spheroid keeps static, polished section 4 polishes the spheroid around the spheroid rotation, because polished section 4 surrounds the spheroid generating line completely, consequently, polished section 4 rotates a week and will realize the all-round polishing at no dead angle of spheroid.

In the rotating process of the arc-shaped frame 2, when the arc-shaped frame 2 is about to rotate to one group of clamping units, the metal rod 13 below the arc-shaped frame 2 enters the space between the two metal sheets 12 of the clamping unit, the two metal sheets 12 are connected, so that the two electromagnets 11 of the clamping unit are electrified, under the repulsive force of the electromagnets 11, the cross rod 8 and the clamping block 9 overcome the action of the pressure spring 10 to move outwards, so that the arc-shaped frame 2 can pass between the clamping block 9 and a sphere, after the arc-shaped frame 2 passes through the clamping unit, the metal rod 13 rotates out from the space between the two metal sheets 12 of the clamping unit, the two electromagnets 11 of the clamping unit are powered off, and under the action of the pressure spring 10, the clamping block 9 moves inwards to clamp the sphere; in a similar way, every process of the arc-shaped frame 2 through a group of clamping units, the group of clamping units can avoid the arc-shaped frame 2, so that the arc-shaped frame 2 can rotate continuously, and continuous polishing of the ball body is realized.

When the ball polishing machine polishes a large ball, the ball does not need to be rotated, the power of the equipment can be greatly reduced, the energy-saving effect is good, the problem that the momentum of the ball is large when the ball is rotated by the traditional ball polishing equipment, particularly the stability of the ball with uneven mass distribution is poor when the ball is rotated by the traditional ball polishing equipment can be avoided, and the stability and the safety of the ball polishing work can be effectively improved; in addition, through the special design of the shape and the position relation of the polishing sheet 4 and the tray 5, the invention avoids the formation of polishing dead angles at the supporting points while supporting the ball, and the polishing frequency of each point of the ball is the same due to the completely fixed relative motion relation between the polishing sheet 4 and the ball, thereby ensuring the uniform polishing of the ball without dead angles; furthermore, the gravity of the ball is uniformly acted on the polishing sheet 4 through the hydraulic oil, so that the polishing force of each part of the ball is the same, and the polishing uniformity of the ball is further ensured.

Claims

1. The ball polishing device comprises a base (1) and is characterized in that an arc-shaped frame (2) which is vertically placed is mounted on the base (1), the lower end of the arc-shaped frame (2) is rotatably mounted on the base (1), a semicircular polishing sheet (4) which is concentric with the arc-shaped frame is mounted in the arc-shaped frame (2) through a plurality of connecting rods (3), a spherical arc-shaped tray (5) is mounted at the lower end of the inner side of the arc-shaped frame (2), the tray (5) is used for bearing a ball, an avoiding groove (6) is formed in the upper surface of the tray (5), and the lower end of the polishing sheet (4) can extend into the avoiding groove (6) so as to extend to the lowest point of the ball; four groups of clamping units with the circumferences uniformly distributed on the outer side of the arc-shaped frame (2) are arranged on the base (1), each group of clamping unit comprises a stand column (7) fixed on the base (1), a cross rod (8) horizontally facing the circle center of the arc-shaped frame (2) penetrates through the upper end of the stand column (7) in a sliding manner, a clamping block (9) is installed at the inner end of the cross rod (8), a pressure spring (10) is installed between the clamping block (9) and the stand column (7), an electromagnet (11) is respectively installed at the outer end of the cross rod (8) and the outer side of the stand column (7), the two electromagnets (11) repel after being electrified, the cross rod (8) can be pushed to overcome the action of the pressure spring (10) to slide outwards, each group of clamping unit further comprises two arc-shaped metal sheets (12) fixed on the base (1), the two metal sheets (12), two sheetmetals (12) and two electro-magnets (11) series connection access circuit of the same group, the downside of arc frame (2) is fixed with a vertical metal pole (13), metal pole (13) can be followed the interval of four groups of sheetmetals (12) in proper order and passed through and put through this group of sheetmetals (12) along with arc frame (2) rotation in-process to make two electro-magnets (11) of this group circular telegram.

2. The ball polishing device according to claim 1, wherein the upper surface of the base (1) is provided with a vertical mounting hole (14), the lower end of the arc-shaped frame (2) is provided with a vertical shaft section, and the shaft section is inserted into the mounting hole (14) to realize the rotatable mounting of the arc-shaped frame (2) on the base (1); a liquid channel (15) is formed in the arc-shaped frame (2), an opening of the liquid channel (15) is located at the bottom of a shaft section of the arc-shaped frame (2), a vertical plunger (16) is arranged in the mounting hole (14), the upper end of the plunger (16) can be slidably inserted into the opening of the liquid channel (15) to seal the opening, hydraulic oil is filled in the liquid channel (15), the plunger (16) supports the arc-shaped frame (2) through the hydraulic oil, and an end face bearing (17) is arranged between the lower end of the plunger (16) and the bottom of the mounting hole (14); a plurality of connecting rods (3) are slidably arranged on the inner side of the arc-shaped frame (2) in a penetrating mode, and one ends, far away from the polishing sheets (4), of the connecting rods (3) extend into the liquid channel (15).

3. A ball burnishing apparatus as defined in claim 1, wherein the curved shelf (2) is provided with a filler opening (18) communicating with the highest point of the liquid passage (15), the filler opening (18) being sealed by a plug (19).

4. A ball polishing device according to claim 1, characterized in that the inner wall of the liquid channel (15) opposite to the end of each connecting rod (3) located in the liquid channel (15) is provided with a radial extension blind hole (20), the end of the connecting rod (3) can extend into the extension blind hole (20), and the inner wall of the extension blind hole (20) is provided with an axial groove (21) for communicating the liquid channel (15) with the tail of the connecting rod (3).

5. The sphere burnishing apparatus of claim 1, wherein the connecting rod (3) is a telescopic rod formed by connecting an inner rod and an outer rod through threads.

6. The sphere polishing device according to claim 1, wherein a threaded connection sleeve (22) is screwed on one end of the connection rod (3) connected with the polishing sheet (4) through threads, a threaded head (23) is fixed on the outer side of the polishing sheet (4), and the connection rod (3) and the polishing sheet (4) are detachably connected through the threaded connection sleeve (22) and the threaded head (23).

7. A ball burnishing apparatus as defined in claim 1, wherein an inclined support wheel (24) is provided on the outside of the curved frame (2), the support wheel (24) being rollable on the base (1) along with the curved frame (2).

8. A ball burnishing apparatus as claimed in claim 1, wherein the arcuate frame (2) is formed with a yoke hole (25) on the outside thereof, a yoke (26) is slidably mounted in the yoke hole (25), the support wheel (24) is mounted on the lower end of the yoke (26), and a support spring (27) is mounted between the upper end of the yoke (26) and the bottom of the yoke hole (25).

9. A ball burnishing apparatus as claimed in claim 1, wherein the tray (5) is removably mounted on the arcuate frame (2) via threads, and balls (28) are mounted on the upper surface of the tray (5).

10. A ball polishing device according to claim 1, characterized in that the shaft section of the arc frame (2) is provided with a first gear (29), the base (1) is provided with a driving motor (30), the driving motor (30) is connected with a second gear (31), and the second gear (31) is meshed with the first gear (29).