CN215433049U

CN215433049U - Grinding and polishing machine convenient for sampling

Info

Publication number: CN215433049U
Application number: CN202121751008.3U
Authority: CN
Inventors: 项伟琪; 朱枫; 郭政建
Original assignee: Morinaga Optical and Electronic Equipment Co Ltd
Current assignee: Morinaga Optical and Electronic Equipment Co Ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-01-07
Anticipated expiration: 2031-07-29

Abstract

A grinding and polishing machine convenient for sampling comprises a cantilever bracket, a cantilever, a lifting drive unit, a pull disc assembly, a lower grinding disc, an upper grinding disc and a pull ring assembly; the pull disc assembly comprises a lifting connecting rod connected with an output shaft of the lifting driving unit and a pull disc connected with the bottom end of the lifting connecting rod; the pull ring assembly comprises a plurality of support columns vertically connected with the upper grinding disc and a pull ring connected with one end of the support columns far away from the upper grinding disc, a through hole is formed in the middle of the pull ring, and a notch communicated with the through hole is formed in one side of the pull ring; the lifting connecting rod penetrates through a through hole of the pull ring, the pull disc is movably located below the pull ring, and the outer diameter of the pull disc is larger than the inner diameter of the through hole. If one or a small amount of thin workpieces need to be taken out, the upper grinding disc only needs to be deviated towards one side by a certain distance relative to the lower grinding disc, and the lifting connecting rod is moved out from the notch of the pull ring, so that one or a small amount of thin workpieces can be taken out without pressurization and depressurization, and accordingly damage to the thin workpieces is reduced, and defective products are reduced.

Description

Grinding and polishing machine convenient for sampling

Technical Field

The utility model relates to the technical field of workpiece processing equipment, in particular to a grinding and polishing machine convenient for sampling.

Background

The thin workpiece is ground and polished on at least one side surface, such as a bottom surface or a top surface, by a grinding and polishing machine. The polishing and grinding machine disclosed in chinese patent CN201520090564.9 with a charged cylinder or the flat surface grinding device disclosed in chinese patent CN201710129352.0 has a lower grinding disc and an upper grinding disc, a plurality of thin workpieces are placed in a disc clamp, the disc clamp is located between the lower grinding disc and the upper grinding disc together with the plurality of thin workpieces, and the lower grinding disc or/and the upper grinding disc rotate, so as to polish and grind and polish the bottom surface or/and the top surface of the thin workpieces. However, the machining state of the thin workpiece cannot be observed or detected in the grinding process, and whether the grinding is expected or not can be known, if the upper grinding disc moves upwards to separate from the lower grinding disc to observe or detect the machining state of the thin workpiece, the upper grinding disc is pressed onto the lower grinding disc after the grinding is not expected, so that a large amount of thin workpiece fragments or damage can be caused due to large change of pressure and pressure, and defective products and resource waste can be caused.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a grinding and polishing machine capable of taking out one or a small number of thin workpieces without pressure increase and pressure decrease, thereby reducing damage to the thin workpieces and defective products, and facilitating sampling, so as to solve the above problems.

A grinding and polishing machine convenient for sampling comprises a cantilever support, a cantilever rotationally connected with the top end of the cantilever support, a lifting driving unit arranged at one end of the cantilever far away from the cantilever support, a pull disc assembly connected with an output shaft of the lifting driving unit, a lower grinding disc positioned below the lifting driving unit, an upper grinding disc positioned on the lower grinding disc, and a pull ring assembly arranged at one side of the upper grinding disc far away from the lower grinding disc; the pull disc assembly comprises a lifting connecting rod connected with an output shaft of the lifting driving unit and a pull disc connected with the bottom end of the lifting connecting rod; the pull ring assembly comprises a plurality of support columns vertically connected with the upper grinding disc and a pull ring connected with one end of the support columns far away from the upper grinding disc, a through hole is formed in the middle of the pull ring, and a notch communicated with the through hole is formed in one side of the pull ring; the lifting connecting rod penetrates through a through hole of the pull ring, the pull disc is movably located below the pull ring, and the outer diameter of the pull disc is larger than the inner diameter of the through hole.

Furthermore, a first opening is formed in the middle of the lower grinding disc, a second opening is formed in the middle of the upper grinding disc, at least two driving connecting blocks are arranged on one side, away from the lower grinding disc, of the upper grinding disc outside the second opening, a rotating driving unit is arranged below the lower grinding disc, and a rotating shaft of the rotating driving unit penetrates through the first opening of the lower grinding disc and the second opening of the upper grinding disc and is connected with the driving connecting blocks through a connecting rod.

Furthermore, one side of the pull disc facing the lifting driving unit is provided with a positioning part protruding around the lifting connecting rod, and the positioning part is in a circular truncated cone shape.

Further, the diameter of the small end of the positioning part is smaller than the inner diameter of the through hole.

Further, the number of the struts is two, and the struts are distributed at equal intervals along the circumferential outer side of the second opening.

The pull ring assembly is characterized by further comprising a grinding fluid ring arranged on the pull ring assembly, a supporting sleeve is fixedly sleeved in the middle of each support column, supporting blocks are arranged on the outer side of the supporting sleeve in a protruding mode, and the grinding fluid ring is located on the supporting blocks of the plurality of support columns; the side of the grinding fluid ring, which is far away from the supporting block, is provided with a grinding fluid groove, the bottom of the grinding fluid groove is provided with a plurality of leakage holes, and the upper grinding disc is provided with a plurality of oil inlet holes.

The oil injection assembly comprises a connecting strip block vertically connected with the lifting connecting rod and a nozzle vertically connected with two ends of the connecting strip block, and the nozzle faces the upper grinding disc; the connecting bar block is positioned above the pull ring, and the bottom of the nozzle is positioned above the grinding fluid ring.

Furthermore, a guide rod is arranged between the nozzle and the lifting connecting rod on the connecting strip block, a guide limiting block is further arranged at one end, away from the cantilever support, of the cantilever in a protruding mode, a guide hole is formed in the guide limiting block, and the guide rod penetrates through the guide hole.

Compared with the prior art, the grinding and polishing machine convenient for sampling comprises a cantilever support, a cantilever rotationally connected with the top end of the cantilever support, a lifting driving unit arranged at one end of the cantilever far away from the cantilever support, a pull disc assembly connected with an output shaft of the lifting driving unit, a lower grinding disc positioned below the lifting driving unit, an upper grinding disc positioned on the lower grinding disc, and a pull ring assembly arranged at one side of the upper grinding disc far away from the lower grinding disc; the pull disc assembly comprises a lifting connecting rod connected with an output shaft of the lifting driving unit and a pull disc connected with the bottom end of the lifting connecting rod; the pull ring assembly comprises a plurality of support columns vertically connected with the upper grinding disc and a pull ring connected with one end of the support columns far away from the upper grinding disc, a through hole is formed in the middle of the pull ring, and a notch communicated with the through hole is formed in one side of the pull ring; the lifting connecting rod penetrates through a through hole of the pull ring, the pull disc is movably located below the pull ring, and the outer diameter of the pull disc is larger than the inner diameter of the through hole. If one or a small amount of thin workpieces need to be taken out, the upper grinding disc only needs to be deviated towards one side by a certain distance relative to the lower grinding disc, and the lifting connecting rod is moved out from the notch of the pull ring, so that one or a small amount of thin workpieces can be taken out without pressurization and depressurization, and accordingly damage to the thin workpieces is reduced, and defective products are reduced.

Drawings

Embodiments of the utility model are described below with reference to the accompanying drawings, in which:

fig. 1 is a schematic perspective view of a grinding and polishing machine for facilitating sampling according to the present invention.

Fig. 2 is a schematic exploded view of the grinding and polishing machine provided by the present invention for facilitating sampling.

Fig. 3 is a perspective view of the pull plate assembly and the oil spray assembly in fig. 2.

Fig. 4 is a perspective view of the upper abrasive disc and tab assembly of fig. 2.

Detailed Description

Specific embodiments of the present invention will be described in further detail below based on the drawings. It should be understood that the description herein of embodiments of the utility model is not intended to limit the scope of the utility model.

Referring to fig. 1 and 2, the grinder-polisher with convenient sampling according to the present invention includes a cantilever support 10, a cantilever 20, a lifting driving unit 30, a pull disc assembly 40, a lower grinding disc 50, an upper grinding disc 60, a pull ring assembly 70, a grinding fluid ring 80 and a fuel injection assembly 90.

Cantilever 20 is connected with cantilever 10's top is rotated, lift drive unit 30 installs in cantilever 20 and keeps away from cantilever 10's one end, and disc pulling component 40 is connected with lift drive unit 30's output shaft 31, and lower mill 50 is located lift drive unit 30 below, and upper mill 60 is located lower mill 50, and ring pulling component 70 sets up in the one side that upper mill 60 keeps away from lower mill 50, and ground liquid ring 80 sets up on ring pulling component 70, and oil spout component 90 sets up in ground liquid ring 80 top.

The thin workpieces are arranged in a disc clamp 100, the disc clamp 100 is positioned between the lower grinding disc 50 and the upper grinding disc 60, and the upper grinding disc 60 rotates to polish and grind the thin workpieces in the disc clamp 100.

A first opening 51 is formed in the middle of the lower grinding disc 50, a second opening 61 is formed in the middle of the upper grinding disc 60, at least two driving connecting blocks 62 are arranged on one side, away from the lower grinding disc 50, of the upper grinding disc 60 outside the second opening 61, a rotating driving unit is arranged below the lower grinding disc 50, a rotating shaft of the rotating driving unit penetrates through the first opening 51 of the lower grinding disc 50 and the second opening 61 of the upper grinding disc 60 and is connected with the driving connecting blocks 62 through a connecting rod, and thus the rotating driving unit can drive the upper grinding disc 60 to rotate.

Referring to fig. 3, the pull plate assembly 40 includes a lifting link 41 connected to the output shaft 31 of the lifting driving unit 30, and a pull plate 42 connected to a bottom end of the lifting link 41. A positioning portion 43 is protruded from the periphery of the lifting link 41 toward one side of the lifting drive unit 30 of the pull plate 42, and the positioning portion 43 has a truncated cone shape.

The oil spray assembly 90 includes a connection bar 91 vertically connected to the elevation link 41 and a nozzle 92 vertically connected to both ends of the connection bar 91, the nozzle 92 facing the upper abrasive disc 60. The bottom of the nozzles 92 are located above the slurry ring 80.

A guide rod 93 is arranged between the nozzle 92 and the lifting connecting rod 41 on the connecting bar block 91, a guide limiting block 21 is further arranged at one end, far away from the cantilever support 10, of the cantilever 20 in a protruding mode, a guide hole is formed in the guide limiting block 21, and the guide rod 93 penetrates through the guide hole.

Referring to fig. 4, the upper grinding disc 60 is provided with a plurality of oil inlets 63. The pull ring assembly 70 includes a plurality of struts 71 connected perpendicularly to the upper abrasive disc 60, and a pull ring 72 connected to an end of the plurality of struts 71 remote from the upper abrasive disc 60. A through hole 721 is formed in the middle of the pull ring 72, and a notch 722 communicated with the through hole 721 is formed on one side of the pull ring 72.

The lifting link 41 passes through the through hole 721 of the pull ring 72, and the pull disc 42 is movably located below the pull ring 72. The outer diameter of the pull disc 42 is larger than the inner diameter of the through hole 721. The diameter of the small end of the positioning portion 43 is smaller than the inner diameter of the through hole 721.

The connecting bar 91 is located above the tab 72 so as to avoid interference with the connecting bar 91 when the tab 72 is rotated.

In the present embodiment, the number of the struts 71 is 3, and the struts are equally spaced along the circumferential outer side of the second opening 61.

A support sleeve 73 is fixedly sleeved on the middle part of each strut 71, and a support block 74 is protruded on the outer side of the support sleeve 73.

Referring again to fig. 1 and 2, the slurry ring 80 is located on the support blocks 74 of the plurality of posts 71. The side of the grinding fluid ring 80 away from the supporting block 74 is provided with a grinding fluid groove 81, and the bottom of the grinding fluid groove 81 is provided with a plurality of leakage holes 82. The grinding fluid groove 81 is used for containing grinding fluid, the grinding fluid drops on the upper grinding disc 60 through the leakage holes 82, and the grinding fluid enters between the lower grinding disc 50 and the upper grinding disc 60 through the oil inlet holes 63 so as to be convenient for lubrication. The oil injection assembly 90 is used for replenishing the grinding fluid in the grinding fluid tank 81.

The operation of the easy-to-sample grinder/polisher according to the present invention will be described below.

The lifting driving unit 30 drives the pull disc 42 to move upwards for a certain distance, the pull disc 42 is in full contact with the pull ring 72 through the guiding effect of the positioning portion 43, the lifting driving unit 30 drives the pull disc 42 to continue to move upwards so as to drive the pull ring 72 to move upwards, and then the upper grinding disc 60 is driven to move upwards through the support column 71 so as to separate the upper grinding disc 60 from the lower grinding disc 50, so that the disc clamp 100 and a plurality of thin workpieces are placed on the lower grinding disc 50 before processing is facilitated, or the disc clamp 100 and the thin workpieces are taken out after processing is completed. And vice versa as indicated by arrow a in figure 1.

The rotary drive unit can move a certain distance in the horizontal direction. The rotation driving unit may be disposed on a horizontal guide rail, and a translation driving unit drives the rotation driving unit to move a certain distance along the horizontal guide rail.

If one or a small amount of thin workpieces need to be taken out in the machining process, and the machining state of the thin workpieces is observed or detected, two modes are provided:

firstly, make the relative lower grinding disc 50 of upper grinding disc 60 towards a certain distance of one side offset, lifting link 41 moves out from breach 722 of pull ring 72, and because the holistic weight of upper grinding disc 60, a plurality of pillars 71, pull ring 72 and abrasive fluid ring 80 is about 30kg, and has the lapping liquid between lower grinding disc 50 and the upper grinding disc 60, the required power of upper grinding disc 60 relative lower grinding disc 50 offset is less, easily realizes. So that the disc clamp 100 is partially exposed, one or a small amount of thin workpieces are exposed, and at this time, one or a small amount of thin workpieces can be taken out, while other thin workpieces are still positioned between the upper grinding disc 60 and the lower grinding disc 50, and the pressure applied to the thin workpieces is not changed, so that the thin workpieces cannot be damaged due to the pressure change. And vice versa as indicated by arrow b in figure 1.

Secondly, the lifting driving unit 30 drives the pulling disc 42 to move upwards for a certain distance, the pulling disc 42 and the pulling ring 72 are fully contacted and acted, the cantilever 20 is rotated for a certain angle, the pulling disc 42 acts on the pulling ring 72, so that the upper grinding disc 60, the plurality of pillars 71, the pulling ring 72 and the grinding fluid ring 80 integrally translate for a certain distance, the disc clamp 100 is partially exposed, one or a small number of thin workpieces are exposed, at the moment, one or a small number of thin workpieces can be taken out, other thin workpieces are still positioned between the upper grinding disc 60 and the lower grinding disc 50, the pressure born by the thin workpieces is almost unchanged, and therefore the thin workpieces cannot be damaged due to pressure change. And vice versa as indicated by arrow c in figure 1.

To avoid interference between the pull ring 72 and the nozzles 92, the pull ring 72 is rotated to a position where the two nozzles 92 are located on both sides of the gap 722 before the upper grinding disc 60 is translated, and then the upper grinding disc 60 is moved away from the gap 722.

Compared with the prior art, the grinding and polishing machine convenient for sampling comprises a cantilever support 10, a cantilever 20 rotatably connected with the top end of the cantilever support 10, a lifting driving unit 30 installed at one end of the cantilever 20 far away from the cantilever support 10, a pull disc assembly 40 connected with an output shaft 31 of the lifting driving unit 30, a lower grinding disc 50 positioned below the lifting driving unit 30, an upper grinding disc 60 positioned on the lower grinding disc 50, and a pull ring assembly 70 arranged at one side of the upper grinding disc 60 far away from the lower grinding disc 50; the pull disc assembly 40 comprises a lifting connecting rod 41 connected with the output shaft 31 of the lifting driving unit 30, and a pull disc 42 connected with the bottom end of the lifting connecting rod 41; the pull ring assembly 70 comprises a plurality of struts 71 vertically connected with the upper grinding disc 60 and a pull ring 72 connected with one end of the plurality of struts 71 far away from the upper grinding disc 60, wherein the middle part of the pull ring 72 is provided with a through hole 721, and one side of the pull ring 72 is provided with a notch 722 communicated with the through hole 721; the lifting connecting rod 41 passes through a through hole 721 of the pull ring 72, the pull disc 42 is movably positioned below the pull ring 72, and the outer diameter of the pull disc 42 is larger than the inner diameter of the through hole 721. If one or a small amount of thin workpieces need to be taken out, only the upper grinding disc 60 needs to be offset towards one side relative to the lower grinding disc 50 by a certain distance, and the lifting connecting rod 41 is moved out of the notch 722 of the pull ring 72, so that one or a small amount of thin workpieces can be taken out without pressurization and depressurization, and accordingly damage to the thin workpieces is reduced, and defective products are reduced.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.

Claims

1. The utility model provides a make things convenient for grinding and polishing machine of sample which characterized in that: the device comprises a cantilever support, a cantilever rotationally connected with the top end of the cantilever support, a lifting driving unit arranged at one end of the cantilever far away from the cantilever support, a pull disc assembly connected with an output shaft of the lifting driving unit, a lower grinding disc positioned below the lifting driving unit, an upper grinding disc positioned on the lower grinding disc, and a pull ring assembly arranged at one side of the upper grinding disc far away from the lower grinding disc; the pull disc assembly comprises a lifting connecting rod connected with an output shaft of the lifting driving unit and a pull disc connected with the bottom end of the lifting connecting rod; the pull ring assembly comprises a plurality of support columns vertically connected with the upper grinding disc and a pull ring connected with one end of the support columns far away from the upper grinding disc, a through hole is formed in the middle of the pull ring, and a notch communicated with the through hole is formed in one side of the pull ring; the lifting connecting rod penetrates through a through hole of the pull ring, the pull disc is movably located below the pull ring, and the outer diameter of the pull disc is larger than the inner diameter of the through hole.

2. The grinder/polisher in accordance with claim 1 with convenient sampling characterized by: a first opening is formed in the middle of the lower grinding disc, a second opening is formed in the middle of the upper grinding disc, at least two driving connecting blocks are arranged on one side, away from the lower grinding disc, of the upper grinding disc outside the second opening, a rotating driving unit is arranged below the lower grinding disc, and a rotating shaft of the rotating driving unit penetrates through the first opening of the lower grinding disc and the second opening of the upper grinding disc and is connected with the driving connecting blocks through a connecting rod.

3. The grinder/polisher in accordance with claim 1 with convenient sampling characterized by: one side of the pull disc facing the lifting driving unit is provided with a positioning part protruding around the lifting connecting rod, and the positioning part is in a circular truncated cone shape.

4. The grinder/polisher in accordance with claim 3 with convenient sampling characterized by: the diameter of the small end of the positioning part is smaller than the inner diameter of the through hole.

5. The grinder/polisher in accordance with claim 1 with convenient sampling characterized by: the number of the struts is two, and the struts are distributed at equal intervals along the circumferential outer side of the second opening.

6. The grinder/polisher in accordance with claim 1 with convenient sampling characterized by: the pull ring assembly is characterized by further comprising a grinding fluid ring arranged on the pull ring assembly, a supporting sleeve is fixedly sleeved in the middle of each supporting column, supporting blocks are arranged on the outer side of the supporting sleeve in a protruding mode, and the grinding fluid ring is located on the supporting blocks of the supporting columns; the side of the grinding fluid ring, which is far away from the supporting block, is provided with a grinding fluid groove, the bottom of the grinding fluid groove is provided with a plurality of leakage holes, and the upper grinding disc is provided with a plurality of oil inlet holes.

7. The grinder/polisher in accordance with claim 6 with convenient sampling characterized by: the oil injection assembly is arranged above the grinding fluid ring and comprises a connecting bar block vertically connected with the lifting connecting rod and a nozzle vertically connected with two ends of the connecting bar block, and the nozzle faces the upper grinding disc; the connecting bar block is positioned above the pull ring, and the bottom of the nozzle is positioned above the grinding fluid ring.

8. The grinder/polisher in accordance with claim 7 with convenient sampling characterized by: the cantilever lifting mechanism is characterized in that a guide rod is arranged between the nozzle and the lifting connecting rod on the connecting strip block, a guide limiting block is further arranged at one end, away from the cantilever support, of the cantilever in a protruding mode, a guide hole is formed in the guide limiting block, and the guide rod penetrates through the guide hole.