CN111745538A - A self-priming liquid-feeding spindle structure and spindle system for an optical grinding and polishing machine - Google Patents

Abstract

The invention discloses a self-absorption liquid-feeding main shaft structure for an optical grinding and polishing machine, which comprises a main shaft, a main shaft outer sleeve and a ball mill, wherein the main shaft and the main shaft outer sleeve are coaxially arranged, a water through hole is formed in the lower end of the main shaft, spiral blades which spirally rise are arranged on the main shaft, a plurality of water outlet holes which are spirally rise and arranged are formed in the position, where the spiral blades are arranged, on the main shaft along the length direction of the main shaft, and the water through hole is communicated with the; the main shaft and the main shaft jacket are provided with rotary sealing rings at the upper end and the lower end; and a second liquid outlet hole is formed in the upper end of the main shaft and communicated with an area formed by the main shaft and the main shaft outer sleeve. The invention also discloses a self-suction liquid-feeding main shaft system for the optical grinding and polishing machine. The invention changes external liquid supply into internal liquid supply, which not only can reduce the use of the motor, but also can ensure the quality of the processed optical lens.

Description

A self-priming liquid-feeding spindle structure and spindle system for an optical grinding and polishing machine

technical field

The invention relates to the technical field of optical lens processing equipment, in particular to a structure of a self-priming liquid feeding spindle for an optical grinding and polishing machine; in addition, the invention also discloses a self-priming liquid feeding spindle system for an optical grinding and polishing machine.

Background technique

When using a grinding and polishing machine to process optical lenses, external liquid supply is generally used. During grinding, the polishing liquid pipe in the liquid storage tank is sent to the abrasive tool through the water pump, and the abrasive tool and the abrasive tool are clamped. The optical lens is supplied with liquid to ensure normal grinding and take away the heat generated by grinding to ensure the processing quality of the optical lens.

However, in actual use, the method of external liquid supply has the following disadvantages:

1. Due to the centrifugal force, the polishing liquid stays on the abrasive tool for a short time, and the cutting effect is not good;

2. The use of external liquid supply is likely to cause sagging of the lens, and the face shape of the lens is difficult to guarantee, and it is easy to process defective products;

3. The temperature at the center of the ball milling is higher, while the temperature at the edge position is lower, which leads to a large temperature difference between the center position of the lens and the convenient position, and the quality of the processed lens is unstable;

4. When using the external liquid supply, it is necessary to use a water pump, which is prone to flooding of the water pump, and is prone to electric shock accidents. It is not safe to use.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the disadvantages of unstable and poor quality of the processed optical lenses caused by external liquid supply in the prior art, and to provide a self-priming liquid supply spindle structure for an optical grinding and polishing machine, which changes the external liquid supply into a Supplying liquid inside can not only reduce the use of the motor, but also ensure the quality of the processed optical lens.

In addition, the invention also discloses a self-suction liquid feeding spindle system for an optical grinding and polishing machine, which ensures the quality of the processed optical lens.

For solving the above-mentioned technical problems, the technical scheme adopted in the present invention is:

A self-priming main shaft structure for an optical grinding and polishing machine, comprising a main shaft, a main shaft outer casing and a ball mill. A plurality of water outlet holes arranged in a spiral ascending arrangement are arranged along the length of the main shaft at the position where the spiral blades are arranged on the upper part, and the water passage holes and the water outlet holes are connected with each other;

The main shaft and the main shaft jacket are provided with rotating sealing rings at the upper and lower ends;

A second liquid outlet hole is arranged on the upper end of the main shaft, and the second liquid outlet hole communicates with the area formed by the main shaft and the main shaft jacket;

The ball mill is provided with a first liquid outlet hole, the ball mill is connected with the main shaft, and the second liquid outlet hole and the first liquid outlet hole communicate with each other after the connection;

The lower end of the main shaft is provided with a high-speed rotary joint, and the high-speed rotary joint is used to connect with the liquid storage tank.

Further optimization, the quick-rotating joint is connected with the liquid storage tank through the liquid outlet pipe, and the liquid outlet pipe is provided with a one-way valve.

Further optimization, an intermediate water tank is also provided on the liquid outlet pipe, and the intermediate water tank is located between the one-way valve and the liquid storage tank.

Wherein, the upper end of the main shaft is provided with a waterproof cover.

Among them, the ball mill and the main shaft are connected by threads.

Further optimization, a polyurethane grinding layer is bonded on the ball mill, and a water guide groove is arranged on the polyurethane grinding layer, and the water guide groove is communicated with the first liquid outlet hole.

Among them, the main shaft and the main shaft outer casing are rotatably connected through a bearing, and the bearing is a ceramic bearing.

The invention also discloses a self-priming liquid-feeding spindle system for an optical grinding and polishing machine, comprising the above-mentioned self-priming liquid-feeding spindle structure for the optical grinding-polishing machine, and the optical grinding and polishing machine is fixed by a main shaft jacket of the self-priming liquid-feeding spindle structure. The utility model is installed on the grinding and polishing equipment, the lower end of the main shaft is connected with a main shaft driving device, and the main shaft driving device can drive the main shaft to rotate.

The main shaft driving device includes a main shaft motor and two pulleys, one of which is connected to the main shaft motor, the other is connected to the main shaft, and the two belts are connected by a belt.

Compared with the prior art, the present invention has the following beneficial effects:

In the actual use of the present invention, the internal liquid supply method can ensure that the polishing liquid flows out from the center of the ball mill, and then moves to the edge position of the optical lens under the action of centrifugal force, and finally throws it out under the action of centrifugal force; It can prolong the residence time of the polishing liquid on the ball mill and ensure the cutting effect; at the same time, the internal liquid supply can better carry out the heat near the center of the ball mill, so as to avoid local high heat during the grinding process that affects the quality of the lens.

In the present invention, through the rotation of the main shaft, the suction force is formed by the spiral blades arranged on the main shaft, so that the polishing liquid can enter the water hole from the liquid storage tank, and then flow through the water outlet hole and enter between the main shaft and the main shaft casing. Under the action of the spiral blades The polishing liquid is lifted, and then enters the second liquid outlet hole and flows through the first liquid outlet hole, so that the purpose of internal liquid supply can be achieved; in this way, in actual use, the liquid supply can be achieved without using a water pump, The use of the water pump is reduced and the electric energy is saved; in this way, in actual use, the electric shock after the water pump is immersed in water is also avoided, and the safety is greatly improved during use.

Description of drawings

In order to explain the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore do not It should be regarded as a limitation of the scope, and for those of ordinary skill in the art, other related drawings can also be obtained according to these drawings without any creative effort.

FIG. 1 is a schematic diagram of the overall structure of the present invention.

FIG. 2 is a schematic diagram of the overall structure of the liquid storage tank in the second embodiment of the present invention.

3 is a schematic structural diagram of an arc-shaped flow channel on the connecting block of the present invention.

Reference number:

1-Spindle, 2-Spindle jacket, 3-Ball mill, 4-Water hole, 5-Spiral blade, 6-Water outlet, 7-Rotary sealing ring, 8-Second liquid outlet, 9-First liquid outlet , 10-high-speed rotary joint, 11-liquid storage tank, 12-liquid outlet pipe, 13-check valve, 14-intermediate water tank, 15-waterproof cover, 16-polyurethane grinding layer, 17-bearing, 18-barrel body , 19-barrel cover, 20-sealing strip, 21-buckle, 22-boss, 23-first sealing strip, 24-rotating shaft jacket, 25-filter plate, 26-hollow rotary rod, 27-liquid outlet , 28- return pipe, 29- return channel, 30- impeller assembly, 31- water guide tube, 32- vertical part, 33- inclined part, 34- stirring impeller, 35- connecting block, 36- upper cover plate, 37- Arc runner, 38-lock hole, 39-spindle motor, 40-pulley, 41-belt, 42-pipe, 43-first high-speed rotary joint.

Detailed ways

The present invention will be further described below with reference to the embodiments, and the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, other used embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example 1

This embodiment discloses a self-priming liquid-feeding spindle structure for an optical grinding and polishing machine. The main shaft 1 is provided with a spirally rising spiral blade 5, and the position where the spiral blade 5 is arranged on the main shaft 1 is provided with a number of water outlet holes 6 arranged in a spiral upward arrangement along the length of the main shaft 1, and the water passage holes 4 and the water outlet holes 6 are mutually connected;

The main shaft 1 and the main shaft outer casing 2 are provided with rotating sealing rings 7 at the upper and lower ends;

A second liquid outlet hole 8 is provided at the upper end of the main shaft 1, and the second liquid outlet hole 8 communicates with the area formed by the main shaft 1 and the main shaft outer casing 2;

The ball mill 3 is provided with a first liquid outlet hole 9, the ball mill 3 is connected with the main shaft 1, and the second liquid outlet hole 8 and the first liquid outlet hole 9 communicate with each other after the connection;

The lower end of the main shaft 1 is provided with a high-speed rotary joint 10 , and the high-speed rotary joint 10 is used for connecting with the liquid storage tank 11 .

The high-speed rotary joint 10 is connected with the liquid storage tank 11 through a liquid outlet pipe 12 , and a one-way valve 13 is arranged on the liquid outlet pipe 12 ; the liquid outlet pipe 12 extends into the liquid storage tank 11 . The backflow of the polishing liquid can be avoided by the provided one-way valve 13 .

Further optimization, the liquid outlet pipe 12 is also provided with an intermediate water tank 14 , and the intermediate water tank 14 is located between the one-way valve 13 and the liquid storage bucket 11 .

In actual use, the upper end of the main shaft 1 is provided with a waterproof cover 15, which can play a waterproof role and prevent the polishing liquid flying out of the centrifugal from leaking from the gap between the main shaft 1 and the polishing machine.

Among them, the ball mill 3 is connected with the main shaft 1 through threads, which is convenient to disassemble the ball mill 3 for replacement.

Among them, a polyurethane grinding layer 16 is bonded on the ball mill 3, and a water guide groove is arranged on the polyurethane grinding layer 16, and the water guide groove is communicated with the first liquid outlet hole 9; the formed water guide groove will guide the polishing liquid, which is convenient for polishing The fluid flows better from the center position to the edge position.

In this embodiment, the main shaft 1 and the main shaft outer casing 2 are rotatably connected through a bearing 17 , and the bearing 17 is a ceramic bearing 17 .

In the actual use of the present invention, the internal liquid supply method can ensure that the polishing liquid flows out from the center of the ball mill, and then moves to the edge position of the optical lens under the action of centrifugal force, and finally throws it out under the action of centrifugal force; It can prolong the residence time of the polishing liquid on the ball mill 3 to ensure the cutting effect; at the same time, the internal liquid supply can better carry out the heat near the center of the ball mill 3, so as to avoid local high heat during the grinding process affecting the quality of the lens.

In the present invention, through the rotation of the main shaft 1, the suction force is formed by the spiral blades 5 arranged on the main shaft 1, so that the polishing liquid can enter the water passage hole 4 from the liquid storage tank 11, and then flow into the main shaft 1 and the main shaft outer casing 2 through the water outlet hole 6. During the time, the polishing liquid is lifted under the action of the helical blade 5, and then enters the second liquid outlet hole 8 and flows through the first liquid outlet hole 9, so that the purpose of internal liquid supply can be achieved; in this way, in actual use , the liquid supply can be realized without using the water pump, the use of the water pump is reduced, and the electric energy is saved; in this way, in actual use, the electric shock after the water pump is immersed in the water is also avoided, and the safety is greatly improved during use.

In the actual use of the present invention, the internal liquid supply method can ensure that the polishing liquid flows out from the center of the ball mill 3, and then moves to the edge position of the optical lens under the action of centrifugal force, and finally is thrown out under the action of centrifugal force; In this way, the time that the polishing liquid stays on the ball mill 3 can be extended to ensure the cutting effect; at the same time, the internal liquid supply can better carry out the heat near the center of the ball mill 3, so as to avoid local high heat during the grinding process and affect the quality of the lens .

Embodiment 2

This embodiment further optimizes the structure of the liquid storage tank 11 on the basis of the first embodiment. In this embodiment, in order to ensure that the polishing liquid in the liquid storage tank 11 will not settle, A liquid storage tank 11 used in cooperation with the structure of the self-priming liquid supply main shaft 1 of an optical grinding and polishing machine, and its specific structure is as follows:

The liquid storage bucket 11 includes a bucket body 18 and a bucket cover 19, a sealing strip 20 is provided between the bucket cover 19 and the bucket cover 19, and the bucket cover 19 is detachably connected to the bucket body 18 through a buckle 21;

A boss 22 is arranged in the middle position of the barrel body 18, a first sealing strip 23 is arranged on the boss 22, a rotating shaft casing 24 is connected to the barrel cover 19, and an umbrella-shaped filter plate 25 is arranged on the outer side of the rotating shaft casing 24. , the filter plate 25 is provided with spiral steps, and the filter plate 25 is provided with micro filter holes; the rotary shaft casing 24 is provided with a hollow rotary rod 26 through the bearing 17, the barrel cover 19 is provided with a liquid outlet hole 27, and the hollow rotary rod 26 The barrel cover 19 can be extended from the liquid outlet hole 27, and a return pipe 28 is also provided on the barrel cover 19. The return pipe 28 is used to connect with the polishing liquid return channel 29 of the polishing machine; the hollow rotating rod 26 rotates through a first high-speed rotation. The joint 43 is connected with the liquid outlet pipe 12;

An impeller assembly 30 is arranged below the hollow rotating rod 26. After the main shaft 1 rotates, the polishing liquid enters the impeller assembly 30 and enters the liquid outlet pipe 12 along the hollow rotating rod 26;

The inner bottom of the barrel 18 is provided with a water guiding cylinder 31 , the upper end of the water guiding cylinder 31 is large and the lower end is small.

The return pipe 28 is connected to the return channel 29 through a pipeline 42 .

In practice, the edge of the filter plate 25 can be pressed against the first sealing strip 23 .

Further optimization, the return pipe 28 includes a vertical part 32 and an inclined part 33, the vertical part 32 is installed on the barrel cover 19, the inclined part 33 is connected with the vertical part 32 to form an included angle, and the outlet end of the inclined part 33 is close to the rotary The shaft casing 24; in this way, the polishing liquid returned by the return pipe 28 can flow down the spiral steps from the upper end of the filter plate 25, and the polishing powder and water will directly pass through the micro-filter hole at this time, and the larger impurities will remain. on the filter plate 25.

In this embodiment, the impeller assembly 30 includes a stirring impeller 34, a connecting block 35 and an upper cover plate 36. The connecting block 35 is provided with an arc-shaped flow channel 37, and the two ends of the connecting block 35 are respectively connected with the stirring impeller 34 and the upper cover plate 36. Connection, the upper cover plate 36 is connected with the hollow rotating rod 26, and under the action of the liquid suction device, the polishing liquid enters the hollow rotating rod 26 from the arc-shaped flow channel 37.

Among them, the arc-shaped flow channel 37 on the connecting block 35 is made by washing, and the width of the arc-shaped flow channel 37 near the center position is smaller than the width near the edge position, which can better allow the polishing liquid to enter the hollow rotating rod. 26; the rotation of the main shaft 1 provides suction, the polishing liquid will enter the hollow rotary rod 26 along the arc-shaped flow channel 37, and the polishing liquid will generate a driving force for the rotation of the hollow rotary rod 26 when it flows through the arc-shaped flow channel 37. Then, the stirring impeller 34 is rotated to stir the polishing liquid; because the polishing powder in the polishing liquid will be collected at the bottom of the barrel 18 along the water guiding cylinder 31, and the upper end of the water guiding cylinder 31 is large and the lower end is small. Under the action of 34, the polishing liquid can be fully stirred, and the stirring effect is good.

In this way, in actual use, the use of the water pump can be reduced, and there is no need to set a stirring blade at the lower end of the water pump to stir the polishing liquid, which greatly saves electric energy.

In this way, the liquid storage tank 11 is far away from the power source in actual use, even if the polishing liquid leaks, it will not induce a safety accident, and it will be safer in actual use, greatly improving the safety factor of use.

Further limited, the stirring impeller 34 , the connecting block 35 and the upper cover 36 are provided with locking holes 38 , and the stirring impeller 34 , the connecting block 35 and the upper cover 36 are connected by connecting columns passing through the locking holes 38 . In this way, the stirring impeller 34 , the connecting block 35 , the upper cover plate 36 and the hollow rotating rod 26 can form an integral structure, and the structure is more compact and stable.

Embodiment 3

This embodiment discloses a system of self-priming liquid feeding spindle 1 for an optical grinding and polishing machine, including the structure of the self-priming liquid feeding spindle 1 for an optical grinding and polishing machine described in Embodiment 1. The optical grinding and polishing machine uses a self-priming liquid feeding spindle 1. The main shaft jacket 2 of the structure of the liquid feeding main shaft 1 is fixedly installed on the grinding and polishing equipment.

The drive device of the main shaft 1 includes a main shaft motor 39 and two belts 41 and pulleys 40, one of which is connected to the main shaft motor 39, and the other belt 41 is connected to the main shaft 1. The belts 41 pass between the two belts 41. connect.

Although preferred embodiments of the present invention have been described, additional changes and modifications to these embodiments may occur to those skilled in the art once the basic inventive concepts are known. Therefore, the appended claims are intended to be construed to include the preferred embodiment and all changes and modifications that fall within the scope of the present invention. The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. It should be pointed out that any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall include within the protection scope of the present invention.

Claims (9)

1. The utility model provides an optics grinding and polishing machine is with supplying liquid main shaft structure from inhaling which characterized in that: the ball mill comprises a main shaft, a main shaft outer sleeve and a ball mill, wherein the main shaft and the main shaft outer sleeve are coaxially arranged, a water through hole is formed in the lower end of the main shaft, spiral blades which spirally ascend are arranged on the main shaft, a plurality of water outlet holes which are spirally ascended and distributed are formed in the position, where the spiral blades are arranged, of the main shaft along the length direction of the main shaft, and the water through hole is communicated with the water outlet;

the main shaft and the main shaft jacket are provided with rotary sealing rings at the upper end and the lower end;

a second liquid outlet hole is formed in the upper end of the main shaft and communicated with an area formed by the main shaft and the main shaft outer sleeve;

the ball mill is provided with a first liquid outlet, the ball mill is connected with the main shaft, and the second liquid outlet is communicated with the first liquid outlet after connection;

the lower extreme of main shaft is provided with high-speed rotary joint, and high-speed rotary joint is used for being connected with the liquid storage bucket.

2. The self-priming liquid spindle structure for an optical grinding and polishing machine as claimed in claim 1, wherein: the fast rotary joint is connected with the liquid storage barrel through a liquid outlet pipe, and a one-way valve is arranged on the liquid outlet pipe.

3. The self-priming liquid spindle structure for an optical grinding and polishing machine as claimed in claim 1, wherein: the liquid outlet pipe is also provided with an intermediate water tank which is positioned between the one-way valve and the liquid storage barrel.

4. The self-priming liquid spindle structure for an optical grinding and polishing machine as claimed in claim 1, wherein: the upper end of the main shaft is provided with a waterproof cover.

5. The self-priming liquid spindle structure for an optical grinding and polishing machine as claimed in claim 1, wherein: the ball mill is connected with the main shaft through screw threads.

6. The self-priming liquid spindle structure for an optical grinding and polishing machine as claimed in claim 1, wherein: a polyurethane grinding layer is bonded on the ball mill, a water guide groove is arranged on the polyurethane grinding layer, and the water guide groove is communicated with the first liquid outlet hole.

7. The self-priming liquid spindle structure for an optical grinding and polishing machine as claimed in claim 1, wherein: the main shaft is rotatably connected with the main shaft outer sleeve through a bearing, and the bearing is a ceramic bearing.

8. The utility model provides a optics grinding and polishing machine is with supplying liquid main shaft system certainly which characterized in that: the self-suction liquid spindle structure for the optical grinding and polishing machine comprises the self-suction liquid spindle structure for the optical grinding and polishing machine as claimed in any one of claims 1 to 7, wherein a spindle sleeve of the self-suction liquid spindle structure for the optical grinding and polishing machine is fixedly mounted on a grinding and polishing device, and a spindle driving device is connected to the lower end of a spindle and can drive the spindle to rotate.

9. The self-priming spindle system for an optical lapping and polishing machine as claimed in claim 8, wherein: the main shaft driving device comprises a main shaft motor and two belt pulleys, wherein one belt pulley is connected with the main shaft motor, the other belt pulley is connected with the main shaft, and the two belts are connected through a belt.

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