CN203509803U - Device for polishing guiding core - Google Patents

Abstract

The device for grinding the guide core includes a parallel grinding wheel and a grinding chassis. The parallel grinding wheel is set above the guide core through a cantilever connected to the grinding chassis. The parallel grinding wheel rotates to grind the guide core; the grinding chassis includes a positioning ring and is matched with the positioning ring The splint is provided with a guide core positioning hole for placing the guide core between the positioning ring and the splint. The utility model fixes the parallel grinding wheel and the guide core on the grinding chassis, realizes the grinding of the guide core through the rotation of the parallel grinding wheel, has high grinding precision, and ensures the repeated utilization of the guide core. With the guide core polished by the utility model, the verticality of the single crystal cutting section is reduced by 20%, and the cost of the guide core is reduced by 60%. It not only improves the single crystal cutting yield, but also reduces the production cost.

Description

Device for grinding guide cores

technical field

The utility model belongs to the technical field of monocrystalline silicon manufacturing equipment and relates to a device for grinding a guide core.

Background technique

At present, during the single crystal cutting process, the guide core used is directly discarded after severe wear and tear, and replaced with a new guide core. This approach will undoubtedly increase the production cost. If the guide core is slightly worn, it can be manually ground with sandpaper. However, sandpaper grinding cannot guarantee the accuracy of the guide core, which affects the verticality of the section of the ingot, thereby affecting the yield rate of single crystal slice fragments, and affecting work efficiency.

Utility model content

The purpose of this utility model is to provide a device for grinding guide cores, which solves the problem that the guide cores in the prior art cannot be reused or cannot guarantee the accuracy after grinding with sandpaper, which causes the verticality of the cut-off section of the single crystal to exceed the standard.

The technical scheme of the utility model is that the device for grinding the guide core includes a parallel grinding wheel, a grinding chassis and a grinding wheel driving mechanism for the parallel grinding wheel, and the parallel grinding wheel is arranged above the grinding chassis through the grinding wheel driving mechanism connected with the grinding chassis.

The utility model is also characterized in that:

The above-mentioned grinding wheel driving mechanism includes a cantilever, a cantilever shaft seat and a shaft. One end of the cantilever is connected to the cantilever shaft seat welded on the grinding chassis through the cantilever shaft; the other end of the cantilever is provided with a bearing, and the bearing is arranged on the bearing seat. Through the bearing, the parallel grinding wheel is fixedly connected with the shaft through the grinding wheel fixing plate.

The grinding chassis includes a positioning ring and a splint matched with the positioning ring, and a guide core positioning hole for placing a guide core is provided between the positioning ring and the splint.

The above-mentioned grinding chassis also includes an outer ring base, the positioning ring is a ring, and the splint is two semi-circular rings. The gap between the positioning ring and the splint is adjusted by the splint fastening screw arranged on the outer ring base to clamp the guide core.

The above-mentioned cantilever shaft seat is welded on the base of the outer ring, the cantilever shaft seat is provided with a gear shaft seat, and the gear shaft seat is provided with a gear and a small hand wheel for adjusting the height of the cantilever shaft.

A frame level is arranged on the parallel grinding wheel.

A spring for adjusting the height of the guide core is arranged in the positioning hole of the guide core.

The upper end of the above-mentioned shaft is provided with a hand wheel.

The utility model has the following beneficial effects:

1. The utility model fixes the parallel grinding wheel and the guide core on the grinding chassis, realizes the grinding of the guide core through the rotation of the parallel grinding wheel, and has high grinding precision, which ensures the repeated use of the guide core.

2. With the guide core polished by the utility model, the verticality of the single crystal cutting section is reduced by 20%, and the cost of the guide core for single crystal cutting is reduced by 60%. It not only improves the yield of good products, but also reduces the production cost.

3. The utility model has a simple and compact structure and is easy to operate.

Description of drawings

Fig. 1 is the schematic diagram of the device structure of the utility model for grinding guide core;

Fig. 2 is a side view of Fig. 1;

Fig. 3 is a schematic diagram of the structure of the grinding chassis of the device for grinding the guide core without installing the guide core in the present invention;

Fig. 4 is a schematic diagram of the structure of the grinding chassis of the device for grinding the guide core of the present invention and installing the guide core;

In the figure, 1. Hand wheel, 2. Shaft, 3. Bearing, 4. Bearing seat, 5. Cantilever, 6. Cantilever locking fastening screw, 7. Cantilever shaft, 8. Frame level, 9. Grinding wheel fixing plate , 10. Horizontal adjustment screw, 11. Parallel grinding wheel, 12. Gear shaft seat, 13. Gear, 14. Small hand wheel, 15. Cantilever shaft seat, 16. Grinding chassis, 17. Spring, 18. Guide core positioning hole, 19.1 # splint, 20.1# splint tightening screw, 21.2# splint, 22.2# splint tightening screw, 23. guide core positioning ring, 24. guide core, 25. outer ring base.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

The device for grinding the guide core includes a parallel emery wheel 11, a grinding wheel drive mechanism for the grinding chassis 16 and the parallel grinding wheel 11, and the parallel grinding wheel 11 is arranged on the grinding wheel drive mechanism connected to the grinding chassis 16 above the grinding chassis 16.

The grinding wheel driving mechanism comprises a cantilever 5, a cantilever shaft seat 15 and a shaft 2, and one end of the cantilever 5 is connected with the cantilever shaft seat 15 welded on the grinding chassis 16 through the cantilever rotating shaft 7; It is arranged on the bearing seat 4 , the shaft 2 is vertically passed through the bearing 3 , and the parallel grinding wheel 11 is set on the shaft 2 through the grinding wheel fixing disc 9 .

The grinding chassis 16 includes a positioning ring 23 and 1# splint 19 and 2# splint 21 matched with the positioning ring 23, and a guide core positioning hole for placing a guide core 24 is arranged between the positioning ring 23 and the 1# splint 19 and 2# splint 21 18.

The grinding chassis 16 also includes an outer ring base 25, the positioning ring 23 is a ring, and the splints are two semi-circular rings. The 1# splint, the 1# splint fastening screw 20, the 2# splint and the 2# splint fastening screw 22 are adjusted to clamp the guide core 24.

The cantilever shaft seat 15 is welded on the outer ring base 25, the cantilever shaft seat 15 is provided with a gear shaft seat 12, and the gear shaft seat 12 is provided with a gear 13 and a small hand wheel 14 for adjusting the height of the cantilever shaft 7.

A frame level 8 is arranged on the parallel grinding wheel 11 .

A spring 17 for adjusting the height of the guide core 24 is provided in the guide core positioning hole 18 .

The upper end of the shaft 2 is provided with a hand wheel 1 .

Embodiment, with reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, the device that is used for grinding guide core, comprises grinding chassis 16, and 1# splint 19, 2# splint 21 and guide core positioning ring 23 are arranged on the grinding chassis 16, 1# splint 19 and 2# splint 21 adjust and clamp the guide core 24 through the 1# splint fastening screw 20 and the 2# splint fastening screw 22 respectively, the guide core positioning hole 18 is provided with a spring 17, and the spring 17 is used to adjust The height of the guide cores 24 ensures that the guide cores 24 are on the same level, so that the parallel grinding wheel 11 can grind all the guide cores, ensuring the grinding quality of all the guide cores 24.

The outer layer of the grinding chassis 16 is provided with an outer ring base 25, and the side of the outer ring base 25 is welded with a cantilever shaft seat 15. There is a gear shaft seat 12 on the cantilever shaft seat 15, and a gear 13 and a small hand wheel 14 are arranged on the gear shaft seat 12. The height of the cantilever rotating shaft 7 is adjusted through the gear 13 and the small handwheel 14. The cantilever rotating shaft 7 is connected and adjusted with the cantilever 5 with the cantilever locking fastening screw 6. The other end of the cantilever 5 is connected with the bearing seat 4, and the bearing seat 4 has a bearing 3. There is a hand wheel 1 on the bearing seat 4. If there are a large number of guide cores to be polished, a small motor can be used instead of the hand wheel 1 to operate. The hand wheel 1 and the bearing seat 4 are connected by the shaft 2. There is a parallel grinding wheel 11 under the bearing seat 4. The bearing seat 4 and the parallel grinding wheel 11 are also connected by the shaft 2. The parallel grinding wheel 11 is fixed with a frame level 8 and the grinding wheel. disc 9, the levelness of the parallel grinding wheel 11 can be adjusted through the frame-type spirit level 8, so as to ensure the precision of the guide core grinding.

The working process of the utility model device:

Before the guide core 24 grinding operation, at first the parallel grinding wheel 11 levelness should be adjusted by the level adjustment screw 10, when the frame level meter 8 installed on the grinding wheel fixed disc 9 shows the grinding wheel level, the grinding wheel levelness adjustment is completed. Loosen the cantilever locking fastening screw 6 and turn the cantilever 5 horizontally to make the parallel grinding wheel 11 turn over a certain angle (for the purpose of clamping the guide core 24), and then rotate the 1# splint fastening screw 20 and 2# splint counterclockwise Tighten the screw 22, loosen the 1# splint 19 and the 2# splint 21, the degree of loosening of the two splints should be enough to fit into the guide core 24, and put the prepared guide core 24 into the guide core positioning holes with the working face upward 18, then the cantilever 5 and the parallel grinding wheel 11 are turned back to their original positions, and the cantilever locking fastening screw 6 is tightened. Turn the small handwheel 14 clockwise to lower the parallel grinding wheel 11 (Note: By turning the small handwheel 14 to drive the gear 13 to move the rack structure on the cantilever shaft 7, the lifting operation of the cantilever shaft 7 is realized, and the parallel grinding wheel 11 passes through the shaft 2 and the cantilever 5 is connected with the cantilever shaft 7), since the guide core positioning hole 18 is equipped with a spring 17, when the parallel grinding wheel 11 descends, the working surface of the guide core can be pressed down through its bottom surface, when the working surface of the guide core is pressed at the same After leveling, rotate the 1# splint tightening screw 20 and the 2# splint tightening screw 22 clockwise to clamp the guide core 24 completely.

Manually turn the hand wheel 1 to drive the parallel grinding wheel 11 to grind the guide core 24. When the working surface of the guide core 24 is ground flat, loosen the cantilever locking fastening screw 6 and turn the cantilever 5 horizontally to make the parallel grinding wheel 11 turn over. At a certain angle (to facilitate the removal of the guide core 24), then counterclockwise rotate the 1# splint fastening screw 20, 2# splint fastening screw 22, loosen the 1# splint 19, 2# splint 21 and take them out for grinding guide core 24, complete the guide core 24 grinding operation.

With this device for grinding the guide core, the verticality of the cut-off section of the single crystal is reduced by 20%.

Using the device for grinding the guide core, the cost of the guide core for single crystal cutting is reduced by 60%.

Claims (8)

1. For polish guiding core device, it is characterized in that: comprise the emery wheel driving mechanism of parallel grinding wheel (11), polishing chassis (16) and parallel grinding wheel (11), described parallel grinding wheel (11) is arranged on the top on polishing chassis (16) by the emery wheel driving mechanism being connected with described polishing chassis (16).
2. As claimed in claim 1 for polish guiding core device, it is characterized in that: described emery wheel driving mechanism comprises cantilever (5), cantilever axle bed (15) and axle (2), one end of described cantilever (5) is connected with the cantilever axle bed (15) being welded on described polishing chassis (16) by cantilever rotating shaft (7); The other end of described cantilever (5) is provided with bearing block (4), and it is upper that bearing (3) is arranged on bearing block (4), and axle (2) is vertically upper through described bearing (3), and described parallel grinding wheel (11) is fixedly connected with described axle (2) by emery wheel fixed disk.
3. As claimed in claim 2 for polish guiding core device, it is characterized in that: described polishing chassis (16) comprises centring ring (23) and the clamping plate (19 that coordinate with centring ring (23), 21), between described centring ring (23) and described clamping plate (19,21), be provided with the guiding core locating hole (18) of placing described guiding core (24).
4. As claimed in claim 3 for polish guiding core device, it is characterized in that: described polishing chassis (16) also comprises outer ring base (25), described centring ring (23) is annular, described clamping plate are two semicircular ring, described centring ring (23) and described clamping plate (19,21) gap between clamps described guiding core (24) by clamping plate fastening screw (20, the 22) adjusting being arranged on described outer ring base (25).
5. As claimed in claim 4 for polish guiding core device, it is characterized in that: described cantilever axle bed (15) is welded on described outer ring base (25), described cantilever axle bed (15) is provided with gear shaft block (12), and described gear shaft block (12) is provided with gear (13) and the small handwheel (14) that regulates described cantilever rotating shaft (7) height.
6. 6. the device for the guiding core of polishing as claimed in claim 5, is characterized in that: described parallel grinding wheel (11) is provided with frame level (8).
7. 7. the device for the guiding core of polishing as claimed in claim 5, is characterized in that: in described guiding core locating hole (18), be provided with the spring (17) of adjusting guiding core (24) height.
8. 8. the device for the guiding core of polishing as described in claim 6 or 7, is characterized in that: the upper end of described axle (2) is provided with handwheel (1).

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