CN217453552U - Special grinding tool suitable for special-shaped fused zirconia-corundum bricks - Google Patents
Special grinding tool suitable for special-shaped fused zirconia-corundum bricks Download PDFInfo
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- CN217453552U CN217453552U CN202221210117.9U CN202221210117U CN217453552U CN 217453552 U CN217453552 U CN 217453552U CN 202221210117 U CN202221210117 U CN 202221210117U CN 217453552 U CN217453552 U CN 217453552U
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Abstract
The utility model discloses a special grinding apparatus suitable for special-shaped electric smelting zirconium corundum brick relates to grinding apparatus technical field, solves the groove that conventional emery wheel is difficult to grind the material flowing nozzle brick to and the technical problem of manual grinding unevenness, including the annular base member, the inner circle of annular base member is fixed with circular middleware, be provided with the central shaft hole that is used for assembling the power output shaft of grinding machine on the circular middleware, all be provided with the side abrasive brick on the upper surface of annular base member and the lower surface, be provided with the terminal surface abrasive brick on the outer circumference side end face of annular base member, the total thickness of annular base member and the side abrasive brick is less than the width of the groove of material flowing nozzle brick; the utility model discloses the annular base member of grinding apparatus is flat and thin, and the abrasive brick has all been welded to terminal surface and lateral wall to guarantee when grinding the groove, can grind the darker and narrower groove of width of the degree of depth, the size is controllable, and the roughness is higher, can the improvement of to a great extent flow the result of use of material mouth brick, and then improve the qualification rate of kiln glass trombone slide.
Description
Technical Field
The utility model relates to a grinding apparatus technical field, more specifically relate to a special type grinding apparatus technical field who is applicable to special shaped electric smelting zirconia corundum brick.
Background
The utility model relates to a special-shaped equipment field, the concrete mode is to using the special-shaped product that the position is special, to its special grinding requirement, and the special type grinding device of development.
A material flowing nozzle brick is installed at a material flowing position of a kiln terminal for producing glass pull tubes, a material flowing opening is formed in the material flowing nozzle brick and used for flowing, flowing glass liquid enters a mold, and glass tubes are formed through industries such as blow molding. In recent years, the material flowing nozzle brick made of fused zirconia corundum is gradually used in the industry, and the shape is very complicated.
The conventional production process is to directly cast and produce the material flowing nozzle brick, the material flowing nozzle brick belongs to a special-shaped product, the production process is complex, the existing mould is difficult to form, the production difficulty is high, and the qualification rate is extremely low and is about 10 percent. The existing new production process is characterized in that a solid base material is produced firstly, and then the solid base material is processed by equipment to dig out the product shape shown in figure 1, the process has high qualification rate and stable product quality, but the processing is difficult, particularly, the part of a material flow nozzle groove is narrow and deep, general grinding equipment cannot extend into the groove, and the groove can only be ploughed out by one blade and one plough, and the processing mode can cause the inner wall surface of the groove to have ploughed marks and unevenness. However, according to the use requirement, the groove of the material flowing nozzle must be strictly leveled, the conventional method is to use manpower to clean the material flowing nozzle, and a manual tool is used, so that great time is spent, the material flowing nozzle cannot be cleaned to be leveled, the size deviation is large, the effect is not good, and the qualified rate of the glass pulling tube of the kiln can be further influenced. Therefore, although the service life of the zirconia corundum nozzle brick is long, the problem of low qualification rate of the glass pulling pipe caused by the uneven grooves of the nozzle brick exists all the time.
The difficulties faced by the prior art are mainly as follows:
1. the hardness of the fused zirconia-corundum material is high, and a common grinding tool cannot be used for grinding;
2. the grooves of the material flow nozzle brick are narrow and deep, and a grinding wheel with a conventional shape cannot grind the material flow nozzle brick;
3. the groove for processing the material flow nozzle brick by using the blade row-knife plough is easy to cause unevenness in the groove, and the manual processing wastes time and labor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the groove that conventional emery wheel is difficult to grind the material mouth brick to and the technical problem of manual work grinding unevenness, the utility model provides a special grinding apparatus suitable for special shaped electric smelting zirconium corundum brick.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
the utility model provides a special grinding apparatus suitable for special shaped electric smelting zirconium corundum brick, includes the annular base member, the inner circle of annular base member is fixed with circular middleware, be provided with the central shaft hole that is used for assembling the power output shaft who grinds the machine on the circular middleware, all be provided with the side abrasive brick on the upper surface of annular base member and the lower surface, be provided with the terminal surface abrasive brick on the outer circumference side end face of annular base member, the annular base member with the gross thickness of side abrasive brick is less than the width in groove of material flowing nozzle brick.
The use and working process comprises the following steps: during the use, will the utility model discloses a grinding apparatus installs on grinding the machine, when the pivoted, can control the translation from top to bottom in the certain limit, will flow the material mouth brick and put on the platform truck, and the platform truck can be around the translation, and like this, can realize the relative motion of 6 directions from top to bottom about between grinding apparatus and the material mouth brick, during the grinding, with the bottom in the terminal surface abrasive brick mill groove on the circumference, with the side in side abrasive brick mill groove. The utility model discloses a special grinding apparatus suitable for special shaped electric smelting zirconium corundum brick, the annular base member is flat and thin, and the abrasive brick has all been welded to terminal surface and lateral wall to guarantee when grinding the groove, can grind the groove that the degree of depth is darker and the width is narrower, can grind the tank bottom of flowing material mouth brick and also can grind the side in groove, through the groove that this kind of grinding apparatus ground, the size is controllable, and the roughness is higher, can be fine grind narrower darker groove, has solved the defect of prior art.
As an improvement of the technical scheme, the side grinding blocks comprise a plurality of strip-shaped grinding blocks, and each strip-shaped grinding block extends from the inner circumference of the annular base body to the outer circumference of the annular base body.
As an improvement of the technical scheme, each elongated grinding block is uniformly arranged on the upper surface and the lower surface of the annular base body.
As an improvement of the technical scheme, one end of the elongated grinding block, which is close to the outer circumference of the annular base body, is provided with an L-shaped end part, and the right-angle inner side of the L-shaped end part is attached to the outer edge of the annular base body.
As an improvement of the technical scheme, the end face grinding block comprises a plurality of L-shaped grinding blocks, and the right-angle inner side of each L-shaped grinding block is attached to the outer edge of the annular base body.
As an improvement of the technical scheme, the L-shaped end parts and the L-shaped grinding blocks are arranged on the outer circumference of the annular base body at equal intervals.
As an improvement of the technical scheme, each L-shaped grinding block is uniformly arranged on the side end face of the outer circumference of the annular base body.
As an improvement of the technical scheme, the distance between every two adjacent L-shaped grinding blocks is not less than 1.5 times the width of the L-shaped grinding block.
As an improvement of the technical scheme, the side grinding block and the end face grinding block are welded on the annular base body.
The utility model has the advantages as follows:
1. the utility model discloses when using, install the grinding apparatus on grinding the machine, when the pivoted, can control the translation from top to bottom in the certain limit, will flow the material mouth brick and put on the platform truck, translation around the platform truck can be, like this, can realize the relative motion of 6 directions from top to bottom about between grinding apparatus and the material mouth brick, during the grinding, with the bottom in the terminal surface abrasive brick mill groove on the circumference, with the side in side abrasive brick mill groove. The grinding tool has the advantages that the annular base body is flat and thin, the grinding blocks are welded on the end face and the side wall of the grinding tool, so that grooves with deep depth and narrow width can be ground when the grooves are ground, the groove bottom of the nozzle brick can be ground, the side faces of the grooves can also be ground, the size of the grooves ground by the grinding tool is controllable, the flatness is high, the narrow and deep grooves can be well ground, and the defects of the existing process are overcome.
2. The utility model discloses an at the in-process of abrasive brick, vibrations are very little, and the face precision after the mill is at 0.3mm/dm 2 The surface flatness error of the whole groove can be controlled within 0.6mm after grinding, and the feed amount of the large grinding wheelThe gear positions can be controlled to be several positions such as 0.5 mm/min, 1 mm/min, 2 mm/min and the like, a low-speed gear position is selected when the material nozzle slot is ground, the stopping time is judged according to time or scribing, and the error of the grinding amount can be controlled to be within 0.1 mm.
3. By the grinding equipment, the cleaning efficiency in the groove can be improved to a great extent, the dimensional precision and the surface flatness of the groove can be improved well, the using effect of the material nozzle brick can be improved to a great extent finally, and the qualification rate of the kiln glass pull tube is improved; when the grinding tool is used before, the cleaned groove is ground by hand, so that the product with obvious stripe feeling can cause about 10% of pipe drawing waste (streak) rate in the initial use stage; use the utility model discloses the material flowing nozzle brick that grinding apparatus ground, the surface is smooth, does not appear the stripe waste product during the use.
Drawings
FIG. 1 is a schematic structural view of a runner nozzle brick;
fig. 2 is a schematic structural diagram of the present invention;
reference numerals: 1-annular base body, 2-end surface grinding block, 3-side surface grinding block, 4-L-shaped end part, 5-circular middle piece and 6-central shaft hole.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 2, a special grinding tool suitable for special-shaped electric smelting zirconium corundum bricks comprises an annular base body 1, a circular intermediate piece 5 is fixed on an inner ring of the annular base body 1, a central shaft hole 6 used for assembling a power output shaft of a grinding machine is arranged on the circular intermediate piece 5, side grinding blocks 3 are arranged on the upper surface and the lower surface of the annular base body 1, end face grinding blocks 2 are arranged on the side end face of the outer circumference of the annular base body 1, and the total thickness of the annular base body 1 and the side grinding blocks 3 is smaller than the width of a groove of a material flowing nozzle brick.
The width in the groove of the nozzle brick of material commonly used is between 50 ~ 60mm, the utility model discloses a 1 thickness of annular base member of grinding apparatus is 20mm, behind the welding abrasive brick, and the gross thickness of grinding apparatus is 40mm, and the thickness of grinding apparatus commonly used is 150 ~ 400mm usually. Before the abrasive tool is used, the width of the groove is narrow, only a saw blade can be used for cutting, certain vibration can occur when the saw blade is used for cutting, the side face of the cut blade cannot be strictly vertical, and the error can be 2-3 mm, and the error does not have regularity and can randomly occur, so that the error of 2 times can occur in the total width, the error can reach 5mm to the maximum extent, namely, the difference of 5mm exists between the widest part and the narrowest part of the cut groove, and the groove of the material flowing nozzle brick in the prior art can not be obtained by grinding, so the error can only be reserved. Similarly, the uneven bottom surface of the groove can also cause an error of 2-3 mm.
The grinding tool grinding groove is used, the grinding tool is installed on the grinding machine, the grinding tool can horizontally move left and right in a certain range while rotating, the material flowing nozzle brick is placed on the grinding trolley, and the trolley can move back and forth, so that relative motion in 6 directions of the left, right, left and front directions can be realized between the grinding tool and the material flowing nozzle brick, during grinding, the bottom end of the grinding groove is ground by the end face grinding block on the circumference, and the side face of the grinding groove is ground by the side face grinding block. The annular base body of the grinding tool is flat and thin, the grinding blocks are welded on the end face and the side wall of the grinding tool, so that grooves with deep depth and narrow width can be ground when the grooves are ground, the groove bottom of the nozzle brick can be ground, the side faces of the grooves can also be ground, the size of the grooves ground by the grinding tool is controllable, the flatness is high, and the grinding tool can well grind the groovesThe narrow and deep groove is ground, and the defects of the prior art are overcome. The large grinding wheel has small vibration in the process of grinding bricks, and the ground surface precision is 0.3mm/dm 2 After grinding, the error of the surface flatness of the whole groove can be controlled within 0.6mm, the feed amount of the large grinding wheel can be controlled at several gears of 0.5 mm/min, 1 mm/min, 2 mm/min and the like, a low-speed gear is selected when the material nozzle groove is ground, the stopping time is judged according to time or marking, and the error of the grinding amount can be controlled within 0.1 mm.
The method comprises the following actual operation steps:
1. cutting a groove by using a saw blade, wherein the minimum size of the cut groove is 42-45 mm, and 5-10 mm of allowance is reserved on the bottom surface of the groove. After cutting, the two side surfaces of the groove are respectively provided with 3-5 mm of grinding allowance, and the bottom of the groove is provided with 5-10 mm of grinding allowance;
2. placing the material flowing nozzle brick on a trolley, adjusting the positions of the trolley and a large grinding wheel, placing the large grinding wheel into a cut groove, selecting a low speed gear after the positions are adjusted, and starting equipment for grinding;
3. observing the positions of the mark line of the groove and the grinding wheel, stopping the machine when the mark line of the groove and the grinding wheel are coincident, withdrawing the grinding wheel, measuring the width and the depth of the groove, and determining the regrinding time according to the allowance;
4. and (5) repeating the step 3 until the groove width and the depth reach the drawing standard, and finishing grinding.
Example 2
As shown in fig. 2, based on embodiment 1, the side grinding block 3 includes a plurality of elongated grinding blocks, each of the elongated grinding blocks extends from the inner circumference of the annular base 1 to the outer circumference of the annular base 1, and each of the elongated grinding blocks is uniformly disposed on the upper surface and the lower surface of the annular base 1; the end face grinding block 2 comprises a plurality of L-shaped grinding blocks, and each L-shaped grinding block is uniformly arranged on the end face of the outer circumference side of the annular base body 1. Preferably, the elongated grinding block and the L-shaped grinding block are welded on the annular base body 1.
Example 3
As shown in fig. 2, based on embodiment 1, the side grinding block 3 includes a plurality of elongated grinding blocks, each of which extends from the inner circumference of the annular base 1 to the outer circumference of the annular base 1; an L-shaped end part 4 is arranged at one end of the long-strip-shaped grinding block close to the outer circumference of the annular base body 1, and the right-angle inner side of the L-shaped end part 4 is attached to the outer edge of the annular base body 1; the end face grinding block 2 comprises a plurality of L-shaped grinding blocks, and the right-angle inner side of each L-shaped grinding block is attached to the outer edge of the annular base body 1; the L-shaped end parts 4 and the L-shaped grinding blocks are arranged on the outer circumference of the annular base body 1 at equal intervals. Preferably, the width of the L-shaped end part 4 is equal to that of the L-shaped grinding block, and the distance between the adjacent L-shaped end part 4 and the L-shaped grinding block is not less than 1.5 times the width of the L-shaped end part 4 or the L-shaped grinding block.
Set up L type tip 4 through rectangular shape abrasive brick, set up L type abrasive brick, the right angle inboard of L type tip 4 and the right angle inboard of L type abrasive brick laminate mutually with annular base member 1's outward flange, have guaranteed the right angle degree of abrasive brick, make the side grinding in groove keep perpendicular, reduce the error.
Example 4
As shown in fig. 2, based on example 2, the distance between every two adjacent elongated grinding blocks is not less than 1.5 times the width of the elongated grinding block; the distance between every two adjacent L-shaped grinding blocks is not less than 1.5 times of the width of the L-shaped grinding block. And a certain gap is arranged between the grinding blocks to ensure a sufficient cooling water flow channel.
Claims (9)
1. The utility model provides a special grinding apparatus suitable for special shaped electric smelting zirconium corundum brick which characterized in that: including annular base member (1), the inner circle of annular base member (1) is fixed with circular intermediate member (5), be provided with central shaft hole (6) that are used for assembling the power output shaft who grinds the machine on circular intermediate member (5), all be provided with side abrasive brick (3) on the upper surface and the lower surface of annular base member (1), be provided with terminal surface abrasive brick (2) on the outer circumference side end face of annular base member (1), annular base member (1) with the gross thickness of side abrasive brick (3) is less than the width in groove of flowing material mouth brick.
2. The special grinding tool suitable for the special-shaped electric smelting zirconium corundum bricks according to the claim 1 is characterized in that: the side grinding blocks (3) comprise a plurality of strip-shaped grinding blocks, and each strip-shaped grinding block extends from the inner circumference of the annular base body (1) to the outer circumference of the annular base body (1).
3. The special grinding tool suitable for the special-shaped electric smelting zirconium corundum bricks according to the claim 2 is characterized in that: each strip-shaped grinding block is uniformly arranged on the upper surface and the lower surface of the annular base body (1).
4. The special grinding tool suitable for special-shaped electric smelting zirconia-corundum bricks according to claim 2, is characterized in that: one end of the long-strip-shaped grinding block, which is close to the outer circumference of the annular base body (1), is provided with an L-shaped end portion (4), and the right-angle inner side of the L-shaped end portion (4) is attached to the outer edge of the annular base body (1).
5. The special grinding tool suitable for the special-shaped electric smelting zirconium corundum bricks according to the claim 4, is characterized in that: the end face grinding block (2) comprises a plurality of L-shaped grinding blocks, and the right-angle inner side of each L-shaped grinding block is attached to the outer edge of the annular base body (1).
6. The special grinding tool suitable for the special-shaped electric smelting zirconium corundum bricks according to the claim 5, is characterized in that: the L-shaped end parts (4) and the L-shaped grinding blocks are arranged on the outer circumference of the annular base body (1) at equal intervals.
7. The special grinding tool suitable for the special-shaped electric smelting zirconium corundum bricks according to the claim 5, is characterized in that: each L-shaped grinding block is uniformly arranged on the side end face of the outer circumference of the annular base body (1).
8. The special grinding tool suitable for the special-shaped electric smelting zirconium corundum bricks according to the claim 5, is characterized in that: the distance between every two adjacent L-shaped grinding blocks is not less than 1.5 times of the width of the L-shaped grinding block.
9. The special grinding tool suitable for the special-shaped electric smelting zirconium corundum bricks according to the claim 1 is characterized in that: the side surface grinding block (3) and the end surface grinding block (2) are welded on the annular base body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221210117.9U CN217453552U (en) | 2022-05-19 | 2022-05-19 | Special grinding tool suitable for special-shaped fused zirconia-corundum bricks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221210117.9U CN217453552U (en) | 2022-05-19 | 2022-05-19 | Special grinding tool suitable for special-shaped fused zirconia-corundum bricks |
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| Publication Number | Publication Date |
|---|---|
| CN217453552U true CN217453552U (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221210117.9U Active CN217453552U (en) | 2022-05-19 | 2022-05-19 | Special grinding tool suitable for special-shaped fused zirconia-corundum bricks |
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|---|---|
| CN (1) | CN217453552U (en) |
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- 2022-05-19 CN CN202221210117.9U patent/CN217453552U/en active Active
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