CN210024756U

CN210024756U - Fine polishing equipment for prism asphalt plate

Info

Publication number: CN210024756U
Application number: CN201920696726.1U
Authority: CN
Inventors: 周兵
Original assignee: Suzhou Obot Optical Technology Co Ltd
Current assignee: Suzhou Obot Optical Technology Co Ltd
Priority date: 2019-05-11
Filing date: 2019-05-11
Publication date: 2020-02-07
Anticipated expiration: 2029-05-11

Abstract

The utility model discloses a prism cypress dish essence is thrown equipment relates to optical lens processing technology field, and main shaft rotational speed is lower when aiming at solving the essence of pitch polishing die and throwing, problem that production efficiency is low. The polishing assembly comprises a polishing liquid pool arranged on the top surface of the frame, a rotating main shaft arranged on the top wall in the polishing liquid pool, a polishing disc arranged on the top surface of the rotating main shaft and an upper disc attached to the polishing disc, wherein the diameter of the upper disc is smaller than that of the polishing disc, the axis of the upper disc is parallel to that of the polishing disc, three circular mounting holes are formed in the upper disc, and pressing blocks for improving polishing pressure are further arranged in the mounting holes. The main shaft is rotated to drive the polishing disc to rotate, the driving assembly also drives the upper disc to rotate, the upper disc eccentrically moves relative to the polishing disc, the surface of the optical element, which is in contact with the polishing disc, is finely polished, and 3 optical elements can be finely polished at the same time, so that the purpose of improving the production efficiency is achieved.

Description

Fine polishing equipment for prism asphalt plate

Technical Field

The utility model belongs to the technical field of the technique of optical lens piece processing and specifically relates to an equipment is thrown to prism tar dish essence.

Background

The polishing of the lens refers to a processing method for obtaining a bright, flat surface by reducing the roughness of the surface of a workpiece under mechanical action, and the surface of the workpiece is subjected to finishing processing by using a polishing tool or other polishing media. Because the polishing die is matched with the surface of the workpiece, the tangential force is extremely large during polishing, so that the concave-convex structure on the surface of the glass is cut off, and a smooth surface is gradually formed.

The prior application publication No. CN106736986A discloses an ED glass lens polishing method, which changes the polishing process from conventional single polishing into twice polishing, firstly adopts a polyurethane high-efficiency polishing sheet to carry out rough polishing, and then adopts a classical method asphalt polishing mould to carry out fine polishing. The two-time polishing has the advantages that the size is roughly polished, and the processing efficiency is improved; the fine polishing ensures the smooth finish and improves the product quality. Because the asphalt polishing film is softer, the surface roughness and the surface defects of the optical workpiece are small, and parts with higher precision and the like can be processed.

The above prior art solutions have the following drawbacks: the fine polishing of the asphalt polishing mould by the classical method is a traditional cold processing method, the polishing machine adopts a friction wheel for transmission, the rotating speed of a main shaft is low, the production efficiency is low, and the method is only suitable for small-quantity and small-batch processing, so that the method needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prism cypress dish essence is thrown equipment, it has the effect that improves the essential throwing production efficiency of tar polishing mould.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a prism asphalt disc fine polishing device comprises a rack and a polishing assembly arranged on the rack, wherein the polishing assembly comprises a polishing liquid pool, a rotating main shaft, a polishing disc and an upper disc, the polishing liquid pool is arranged on the top surface of the rack and used for storing polishing liquid, the rotating main shaft is arranged on the top wall of the polishing liquid pool, the polishing disc is arranged on the top surface of the rotating main shaft, the upper disc is attached to the polishing disc, a driving assembly for driving the upper disc to move eccentrically is further arranged on the rack, the diameter of the upper disc is smaller than that of the polishing disc, the axis of the upper disc is parallel to that of the polishing disc, three circular mounting holes are formed in the upper disc at equal intervals in the circumferential direction, and the center of the; and a pressing block for improving the polishing pressure is also arranged in the mounting hole.

By adopting the technical scheme, the driving component drives the upper disc to rotate while the main shaft is rotated to drive the polishing disc to rotate. Because the axes of the upper disk and the polishing disk are not superposed and the diameter of the upper disk is smaller than that of the polishing disk, the upper disk moves eccentrically relative to the polishing disk, and the surface of the optical element, which is contacted with the polishing disk, is finely polished. Meanwhile, 3 optical elements can be finely polished, and the production efficiency of fine polishing is improved.

The utility model discloses further set up to: the cross section of the pressing block is circular, and a limiting groove for placing the optical element is formed in the pressing block.

By adopting the technical scheme, the limit groove is just used for the clamping and embedding matching of the optical element, and the pressing block is pressed on the optical element. When the asphalt polishing mould is used for fine polishing, under the pressure action of the pressing block, the surfaces of the polishing disc and the optical element are mutually attached, and the optical element is subjected to fine polishing, so that a higher appearance grade is obtained.

The utility model discloses further set up to: and a balancing weight is also arranged on the top surface of the pressing block.

Through adopting above-mentioned technical scheme, because the balancing weight is pressed on the briquetting, apply vertical decurrent pressure to the briquetting, increase the pressure that optical element received for polishing dish surface and optical element in close contact with, thereby improve the shape of face precision of work piece.

The utility model discloses further set up to: the balancing weight comprises a plurality of balancing weight units stacked up and down.

By adopting the technical scheme, the mass of the counterweight is correspondingly adjusted by experienced operators according to the mass of the optical element, and the appropriate number of counterweight units is selected for stacking, so that the counterweight is convenient and quick.

The utility model discloses further set up to: the top surface of the counterweight unit is provided with a convex block, and the bottom surface of the counterweight unit is provided with a groove for the convex block on the top surface of the adjacent counterweight unit to be clamped and embedded.

Through adopting above-mentioned technical scheme, link together through lug and recess between two upper and lower adjacent counter weight units, convenient and fast has improved the stability of connecting between two upper and lower adjacent counter weight units simultaneously.

The utility model discloses further set up to: the cross section of the lug is trapezoidal.

By adopting the technical scheme, the trapezoidal lug limits the movement of the counterweight unit in the horizontal direction, and the connection stability between the upper counterweight unit and the lower counterweight unit is further improved.

The utility model discloses further set up to: the polishing disc comprises a polishing disc base body and an asphalt polishing mould layer covering the top surface of the polishing disc base body.

By adopting the technical scheme, the polishing die layer is made of materials such as rosin, asphalt and the like, and is softer due to small hardness of the materials, so that the surface roughness and the surface defects of the optical element after being processed are small, and parts with higher precision and the like can be processed. And the asphalt polishing mould layer has low thermal stability and good thermal fluidity, and can quickly enable the polishing mould to be matched with the polishing disc.

The utility model discloses further set up to: and a plurality of heat dissipation grooves are formed in the asphalt polishing mould layer.

By adopting the technical scheme, if the temperature rises in the fine polishing process, the asphalt becomes soft, and the surface shape of the optical element is not easy to ensure. The heat dissipation grooves are arranged, so that heat dissipation can be performed, the asphalt is prevented from softening, and the polishing solution can be uniformly distributed on the polishing disc.

To sum up, the utility model discloses a beneficial technological effect does:

1. through the arrangement of the upper disc and the mounting hole, the rotating main shaft drives the polishing disc to rotate, and meanwhile, the driving assembly drives the upper disc to rotate, and as the axes of the upper disc and the polishing disc are not superposed and the diameter of the upper disc is smaller than that of the polishing disc, the upper disc eccentrically moves relative to the polishing disc, the surface of the optical element, which is in contact with the polishing disc, is finely polished, 3 optical elements can be finely polished at the same time, and the production efficiency of fine polishing is improved;

2. through the arrangement of the pressing block, under the pressure action of the pressing block, the polishing disc is mutually attached to the surface of the optical element, and the optical element is finely polished, so that a higher appearance grade is obtained;

3. through the setting of balancing weight, increase the pressure that optical element received for polishing dish surface and optical element in close contact with, thereby improve the shape of face precision of work piece.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic view showing a partial structure of a polishing assembly;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is a schematic diagram showing the structure of the optical element and the compact;

fig. 5 is a schematic view for showing a structure of the weight member.

In the figure, 1, a frame; 11. a polishing solution pool; 12. rotating the main shaft; 2. a polishing disk; 21. a polishing disk substrate; 22. polishing the mould layer by using the asphalt; 23. a heat sink; 3. hanging the plate; 31. mounting holes; 32. a sleeve; 4. briquetting; 41. a limiting groove; 5. a balancing weight; 51. a counterweight unit; 511. a bump; 512. a groove; 6. an optical element; 7. a plane swinging tripod; 71. a drive shaft.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a prism cypress oil pan finish polishing device, including frame 1 and the polishing subassembly of setting on frame 1. The polishing assembly comprises a polishing liquid tank 11 opened on the top surface of the frame 1 for storing polishing liquid, the concentration of which is the ratio of the weight of the polishing powder to the weight of the water, expressed in percentage or ratio, and is typically 5%. The supply amount of the polishing solution also influences the polishing speed, the supply is excessive, the heat generated by polishing is quickly dissipated, the hydrolysis reaction is not facilitated, and the matching between the mold and the surface of the prism is poor; the supply amount is too small, the particles participating in polishing are few, the polishing efficiency is reduced, the heat generated by polishing is not easy to dissipate, and the surface of the prism is easy to deform. In this example, cerium oxide was used as the polishing powder. A motor is fixed on the bottom surface of the frame 1, the driving end of the motor extends into the polishing solution pool 11, a rotating main shaft 12 is fixed on the driving end of the motor through a screw, a circular polishing disk 2 is fixed on the top surface of the rotating main shaft 12, and the rotating speed of the rotating main shaft 12 is 5 r/min.

Referring to fig. 1 and 2, the polishing platter 2 includes a polishing platter base 21 and an asphalt polishing mold layer 22 covering a top surface of the polishing platter base 21. The polishing disc base body 21 is made of marble material, polishing asphalt has obvious selectivity to the temperature of a workshop, and different types of polishing asphalt are used after the temperature of the workshop changes. The asphalt polishing mold layer 22 is made of pitch and rosin, and the ratio of the pitch to the rosin is different depending on room temperature, heat generation during processing, and the like. Generally, when the room temperature is increased or the calorific value due to processing is increased, the content of rosin should be increased to increase the "hardness" of the asphalt polishing mold layer 22; conversely, the rosin content is reduced, reducing the "hardness" of the asphalt polish mold layer 22. If the temperature is too high, the asphalt polishing mold layer 22 becomes soft, and the surface shape of the optical element 6 (shown in fig. 3) is not easily ensured. In order to improve the heat dissipation efficiency, a plurality of heat dissipation grooves 23 are formed in the asphalt polishing mold layer 22, the heat dissipation grooves 23 are criss-cross and are in a checkerboard shape, and the heat dissipation grooves 23 increase the contact area between the polishing solution and the asphalt polishing mold layer 22, so that the heat generated by polishing can be dissipated in time.

Referring to fig. 2 and 3, an upper plate 3 is attached to the asphalt polishing mold layer 22, and the upper plate 3 is made of glass. The diameter of the upper disc 3 is smaller than that of the polishing disc 2, and the axis of the upper disc 3 is parallel to that of the polishing disc 2. Three circular shape mounting holes 31 have been seted up on hanging up 3, and mounting hole 31 runs through the top surface and the bottom surface of hanging up 3, and the internal diameter homogeneous phase of three mounting hole 31 is the same, and the edge distance of the centre of a circle of three mounting hole 31 to polishing dish 2 is inequality.

Referring to fig. 2 and 3, the frame 1 is further provided with a driving assembly for driving the upper disc 3 to eccentrically move, the driving assembly comprises another motor fixed on the bottom surface of the frame 1 and a plane swinging tripod 7, and the rotating speed of the motor is set to be 9.59 r/min. A transmission shaft 71 is fixed to one end of the planar swing tripod 7, and a sleeve 32 into which the transmission shaft 71 is inserted is fixed to the top surface of the upper plate 3. The inner diameter of the socket 32 is larger than the outer diameter of the drive shaft 71.

Referring to fig. 3 and 4, the optical element 6 should be closely attached to the asphalt polishing mold layer 22 during the polishing process to finish polish the optical element 6. In order to increase the pressure applied to the optical element 6 during polishing, a circular pressing block 4 is arranged in each mounting hole 31, a limiting groove 41 for clamping and embedding the optical element 6 is formed in each pressing block 4, and the cross section of each limiting groove 41 is triangular. The top surface of the pressing block 4 is also provided with a balancing weight 5. The mass of the weight 5 is adjusted accordingly by experienced operators according to the mass of the optical element 6.

Referring to fig. 4 and 5, the counterweight 5 includes a plurality of weight units 51 stacked up and down, and in the present embodiment, each counterweight 5 includes 4 weight units 51. The top surface of the counterweight unit 51 is provided with a convex block 511, the bottom surface of the counterweight unit 51 is provided with a groove 512 for the convex block 511 on the top surface of the adjacent counterweight unit 51 to be clamped and matched, and the shape of the convex block 511 is trapezoidal.

The implementation principle of the embodiment is as follows: when the asphalt polishing mould is polished by the classical method, 3 optical elements 6 are respectively put into the mounting holes 31. Next, the stopper groove 41 of the compact 4 is aligned with the optical element 6, and the mounting of the compact 4 is completed. An experienced operator adjusts the number of the weight units 51 placed on the top surface of the pressing block 4 according to the mass of the optical element 6, aligns the groove 512 of the weight unit 51 located above with the projection 511 of the weight unit 51 located below, so that the projection 511 is snap-fitted into the groove 512.

The motors are respectively started, the main rotating shaft 12 drives the polishing disc 2 to rotate, and the plane swinging tripod 7 swings back and forth and drives the upper disc 3 to move. The polishing liquid is coated on the asphalt polishing mould layer 22 by using a writing brush, the optical element 6 is tightly attached to the asphalt polishing mould layer 22 for finish polishing while the upper plate 3 performs eccentric motion, the optical element 6 has a flat surface and obtains a higher appearance grade after finish polishing, three optical elements 6 can be finish polished simultaneously, and the production efficiency of finish polishing is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a prism pitch dish finish polishing equipment, includes frame (1) and the polishing subassembly of setting in frame (1), polishing subassembly is including offering polishing solution pond (11) that are used for depositing the polishing solution on frame (1) top surface, setting rotation main shaft (12) on roof in polishing solution pond (11), setting up hanging wall (3) that polishing dish (2) and laminating polishing dish (2) on rotation main shaft (12) top surface set up, still be provided with the drive assembly of drive hanging wall (3) eccentric motion on frame (1), its characterized in that: the diameter of the upper disc (3) is smaller than that of the polishing disc (2), the axis of the upper disc (3) is parallel to that of the polishing disc (2), three circular mounting holes (31) are formed in the upper disc (3), and the center of the upper disc (3) is connected to the driving end of the driving assembly; and a pressing block (4) for improving the polishing pressure is also arranged in the mounting hole (31).

2. The apparatus of claim 1, wherein: the cross section of the pressing block (4) is circular, and a limiting groove (41) for placing the optical element (6) is formed in the pressing block (4).

3. The apparatus of claim 2, wherein: and a balancing weight (5) is also arranged on the top surface of the pressing block (4).

4. The apparatus of claim 3, wherein: the balancing weight (5) comprises a plurality of balancing weight units (51) which are stacked up and down.

5. The apparatus of claim 4, wherein: the counterweight unit is characterized in that a convex block (511) is arranged on the top surface of the counterweight unit (51), and a groove (512) for the convex block (511) on the top surface of the adjacent counterweight unit (51) to be clamped and matched is formed in the bottom surface of the counterweight unit (51).

6. The apparatus of claim 5, wherein: the cross section of the bump (511) is trapezoidal.

7. The apparatus of claim 1, wherein: the polishing disc (2) comprises a polishing disc base body (21) and an asphalt polishing mould layer (22) covering the top surface of the polishing disc base body (21).

8. The apparatus of claim 7, wherein: the asphalt polishing mould layer (22) is provided with a plurality of heat dissipation grooves (23).