CN215039030U - Coaxial drill bit for smelting production of corundum refractory material - Google Patents
Coaxial drill bit for smelting production of corundum refractory material Download PDFInfo
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- CN215039030U CN215039030U CN202120465524.3U CN202120465524U CN215039030U CN 215039030 U CN215039030 U CN 215039030U CN 202120465524 U CN202120465524 U CN 202120465524U CN 215039030 U CN215039030 U CN 215039030U
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- outer ring
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Abstract
The utility model discloses a coaxial drill bit for smelting and producing corundum refractory material, which comprises an inner ring drill rod and an outer ring drill rod coaxially sleeved on the inner ring drill rod, wherein one end of the outer ring drill rod is a hollow tube and is connected with an outer ring tool bit uniformly distributed around the inner ring drill rod along a circle, the other end of the outer ring drill rod is a solid tube and is connected with the end part of the inner ring drill rod, the end part of the solid tube of the outer ring drill rod is provided with a rotating bottom plate which is parallel to the end surface of the inner ring drill rod and is fixedly connected with the inner ring drill rod, the outer diameter of the rotating bottom plate is larger than that of the outer ring drill rod, one end of the rotating bottom plate, which is far away from the inner ring drill rod, is connected with a connecting plug which is positioned on the same extension line with the axial lead of the inner ring drill rod, one end of the inner ring drill rod, which is far away from the rotating bottom plate, is provided with an inner ring tool bit uniformly distributed around the axial lead of the inner ring drill rod along a circle, the utility model has the advantages of simple structure, convenient operation, high punching efficiency and concentric large holes and small holes.
Description
Technical Field
The utility model belongs to the technical field of electric smelting corundum production facility, especially, relate to a coaxial drill bit is used in corundum refractory material smelting production.
Background
The corundum refractory material needs to be melted in the production process, then the corundum refractory material which is changed into liquid enters a corresponding grinding tool, so as to cool and produce a primary product blank, and the corundum refractory material is used after subsequent processing, the corundum melting mode is many, wherein an electrode rod is a conventional heating device in the corundum production process, corresponding drilling operation is often needed to be carried out in order to facilitate the use of the electrode rod, then the electrode rod is inserted into a corresponding hole for use, the currently commonly used drill bit is a processing drill bit with a cylindrical shell with the same outer diameter, a cutter head is arranged at the bottom of the cylindrical shell, the cutter head is driven to cut by the rotation of the cylindrical shell, although the types of the processing drill bits have a plurality of models according to the size of the outer diameter, the small-caliber drill bits can also finish the hole processing with different inner diameters after the processing of the large-caliber drill bit, however, the large-caliber drill and the small-caliber drill are not in the same straight line in the machining process, so that the use of the corresponding electrode rod is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: provides a coaxial drill bit for smelting and producing corundum refractory materials, and aims to solve the technical problems of complex operation, high processing efficiency and non-coaxial axial lines of drilled mounting holes in the related technology.
The utility model adopts the technical scheme as follows:
the utility model provides a corundum refractory material smelts production and uses coaxial drill bit, establish the outer lane drilling rod on the inner circle drilling rod including inner circle drilling rod and coaxial cover, the one end of outer lane drilling rod is the hollow tube and is connected with the outer lane tool bit along circular evenly distributed around the inner circle drilling rod, the other end of outer lane drilling rod be the solid pipe and with the end connection of inner circle drilling rod, the solid pipe tip of outer lane drilling rod is provided with be on a parallel with inner circle drilling rod tip surface and with inner circle drilling rod fixed connection's rotation bottom plate, the external diameter of rotation bottom plate is greater than the external diameter of outer lane drilling rod, the one end that the inner circle drilling rod was kept away from to the rotation bottom plate is connected with and is located the connector plug on the same extension line with inner circle drilling rod axial lead, the one end that the rotation bottom plate was kept away from to the inner circle drilling rod is provided with the inner circle tool bit along circular evenly distributed around inner circle drilling rod axial lead.
Further, the outer ring cutter head is arranged on the end face of the outer ring drill rod, gaps are formed between every two outer ring cutter heads on the outer ring drill rod and are evenly distributed along the end face of the outer ring drill rod, the inner ring cutter head is arranged on the end face of the inner ring drill rod, and gaps are formed between every two inner ring cutter heads on the inner ring drill rod and are evenly distributed along the section of the inner ring cutter head.
Further, the outer ring tool bit is arranged on the outer ring of the middle position of the inner ring drill rod, and the outer ring tool bit and the inner ring tool bit are diamond blades and are connected with the corresponding outer ring drill rod and the corresponding inner ring drill rod through welding.
Furthermore, the connecting plug is arranged at the circle center of the rotating bottom plate and is divided into two parts with different diameters, and the diameter of one end, close to the rotating bottom plate, of the connecting plug is larger than that of the other end, far away from the rotating bottom plate, of the connecting plug.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model discloses in, it rotates to drive the inner circle drilling rod through the rotation of attach plug, thereby it rotates in step to drive the outer lane drilling rod, the outer lane tool bit through inner circle tool bit on the inner circle drilling rod and outer lane drilling rod cuts and polishes to the hole, through the more firm attach plug of rotation bottom plate, inner circle drilling rod and outer lane drilling rod, divide into the two parts of diameter variation in size through attach plug, make things convenient for attach plug and drive arrangement's connection, adopt attach plug, the axial lead of outer lane drilling rod and inner circle drilling rod is located same extension line and synchronous rotation, can accomplish polishing in the hole of diameter variation in size through a drill bit, and can ensure macropore and aperture and be concentric, and the operation is also simpler, the effectual efficiency of punching that has improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the connection of the rotating base plate and the connecting plug.
The labels in the figure are: 1. an inner ring drill rod; 2. an outer ring drill rod; 3. an outer ring cutter head; 4. an inner ring cutter head; 5. rotating the bottom plate; 6. And connecting a plug.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments, it is to be understood that the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.
Example 1
As shown in fig. 1 to 2, a coaxial drill bit for smelting and producing corundum refractory materials comprises an inner ring drill rod 1 and an outer ring drill rod 2 coaxially sleeved on the inner ring drill rod 1, wherein the left end of the outer ring drill rod 2 is a hollow tube, the left end of the outer ring drill rod 2 is provided with outer ring tool bits 3 uniformly distributed along a circle around the inner ring drill rod 1, the outer ring tool bits 3 are arranged on an outer ring at the middle position of the inner ring drill rod 1, the outer ring tool bits 3 are arranged on the end surface of the outer ring drill rod 2, and a gap is formed between every two outer ring tool bits 3 on the outer ring drill rod 2 and uniformly distributed along the end surface of the outer ring drill rod; the inner ring tool bit 4 is arranged on the end face of the inner ring drill rod 1, the inner ring tool bit 4 on the inner ring drill rod 1 is spaced in pairs and is uniformly distributed along the section of the inner ring tool bit 4, and the outer ring tool bit 3 and the inner ring tool bit 4 are diamond blades and are connected with the corresponding outer ring drill rod 2 and the corresponding inner ring drill rod 1 through welding. The right-hand member of outer lane drilling rod 2 is the solid tube, the right-hand member of outer lane drilling rod 2 and the right part outer lane fixed connection of inner circle drilling rod 1, the right-hand member portion of outer lane drilling rod 2 is provided with and is on a parallel with 1 tip surface of inner circle drilling rod and with 1 fixed connection's of inner circle drilling rod rotation bottom plate 5, rotation bottom plate 5 perpendicular to outer lane drilling rod 2 and 1 setting of inner circle drilling rod and all with the right-hand member fixed connection of outer lane drilling rod 2 and inner circle drilling rod 1, the external diameter of rotation bottom plate 5 is greater than the external diameter of outer lane drilling rod 2, conveniently rotate bottom plate 5 and further consolidate outer lane drilling rod 2 and the connection of inner circle drilling rod 1. The right side of the rotating bottom plate 5 is provided with a connecting plug 6, the left end of the connecting plug 6 is fixedly connected with the rotating bottom plate 5, and the axial lead of the connecting plug 6 and the axial leads of the outer ring drill rod 2 and the inner ring drill rod 1 are positioned on the same extension line, so that the large hole and the small hole which are punched are concentric after the connecting plug 6 drives the outer ring drill rod 2 and the inner ring drill rod 1 to rotate and punch; the connecting plug 6 is divided into two parts with different diameters, the diameter of the left part of the connecting plug 6 is larger than that of the right part of the connecting plug 6, and the connecting plug 6 is conveniently connected with a corresponding driving device.
The utility model discloses in the use, be connected connecting plug 6 with the drive arrangement who corresponds, then drive arrangement drives connecting plug 6 and rotates, and outer lane drilling rod 2 and inner circle drilling rod 1 follow connecting plug 6 and with the coaxial rotation of connecting plug 6 under the transmission of rotating bottom plate 5 to inner circle tool bit 4 on outer lane tool bit 3 on the drive outer lane drilling rod 2 and the inner circle drilling rod 1 rotates, in a word the utility model has the advantages of simple structure, convenient operation, the macropore that punches efficiently and beat and aperture are endocentric.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. A coaxial drill bit for smelting and producing corundum refractory materials is characterized in that: establish the outer lane drilling rod on the inner circle drilling rod including inner circle drilling rod and coaxial cover, the one end of outer lane drilling rod is the hollow tube and is connected with the outer lane tool bit around inner circle drilling rod along circular evenly distributed, the other end of outer lane drilling rod be solid pipe and with the end connection of inner circle drilling rod, the solid pipe tip of outer lane drilling rod be provided with be on a parallel with inner circle drilling rod tip surface and with inner circle drilling rod fixed connection's rotation bottom plate, the external diameter that rotates the bottom plate is greater than the external diameter of outer lane drilling rod, the one end that rotates the bottom plate and keep away from the inner circle drilling rod is connected with and is located the connector plug on the same extension line with inner circle drilling rod axial lead, the one end that rotates the bottom plate is kept away from to the inner circle drilling rod is provided with the inner circle tool bit around inner circle drilling rod axial lead along circular evenly distributed.
2. The coaxial drill bit for smelting and producing the corundum refractory material according to claim 1, is characterized in that: the outer ring cutter head is arranged on the end face of the outer ring drill rod, a gap is formed between every two outer ring cutter heads on the outer ring drill rod and is uniformly distributed along the end face of the outer ring drill rod, the inner ring cutter head is arranged on the end face of the inner ring drill rod, and a gap is formed between every two inner ring cutter heads on the inner ring drill rod and is uniformly distributed along the section of the inner ring cutter head.
3. The coaxial drill bit for smelting and producing the corundum refractory material according to claim 1, is characterized in that: the outer ring tool bit is arranged on the outer ring of the middle position of the inner ring drill rod, and the outer ring tool bit and the inner ring tool bit are diamond blades and are connected with the corresponding outer ring drill rod and the corresponding inner ring drill rod through welding.
4. The coaxial drill bit for smelting and producing the corundum refractory material according to claim 1, is characterized in that: the connecting plug is arranged at the circle center of the rotating bottom plate and is divided into two parts with different diameters, and the diameter of one end, close to the rotating bottom plate, of the connecting plug is larger than that of the other end, far away from the rotating bottom plate, of the connecting plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120465524.3U CN215039030U (en) | 2021-03-03 | 2021-03-03 | Coaxial drill bit for smelting production of corundum refractory material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120465524.3U CN215039030U (en) | 2021-03-03 | 2021-03-03 | Coaxial drill bit for smelting production of corundum refractory material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215039030U true CN215039030U (en) | 2021-12-07 |
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ID=79255102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120465524.3U Active CN215039030U (en) | 2021-03-03 | 2021-03-03 | Coaxial drill bit for smelting production of corundum refractory material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215039030U (en) |
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2021
- 2021-03-03 CN CN202120465524.3U patent/CN215039030U/en active Active
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