CN209920253U - Electroplated diamond double-head micro drill bit - Google Patents
Electroplated diamond double-head micro drill bit Download PDFInfo
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- CN209920253U CN209920253U CN201920536058.6U CN201920536058U CN209920253U CN 209920253 U CN209920253 U CN 209920253U CN 201920536058 U CN201920536058 U CN 201920536058U CN 209920253 U CN209920253 U CN 209920253U
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Abstract
The utility model discloses an electroplated diamond double-end micro drill bit, its characterized in that includes horizontal threaded connection post (4) at middle part, both ends are connected with threaded fixing post (3) through screw thread and bolt (5) about threaded connection post (4), the left end of a left threaded fixing post (3) is connected with trapezoidal connection post (2), the left end of trapezoidal connection post (2) is connected with micro drill bit (1), the right-hand member of a threaded fixing post (3) on right side is connected with trapezoidal connection post (6) No. two, the right-hand member of trapezoidal connection post (6) No. two is connected with micro drill bit (7) No. two. The utility model discloses electroplate diamond double-end micro drill is applicable to hard brittle material and makes the hole, has the advantage that improves production efficiency, reduces the product disability rate.
Description
Technical Field
The utility model belongs to the technical field of electroplating diamond double-end microbit is relevant, concretely relates to electroplating diamond double-end microbit.
Background
The problem that small holes with the diameter of 1.6-2.0 are drilled in the market is difficult to solve, the small holes formed in the glass ceramic hard and brittle material are all electroplated diamond grinding rods, and the grinding rods are low in punching speed due to the fact that the base bodies of the grinding rods are made of common steel, so that the electroplated diamond microbit with the diamond-plated double-head surfaces is developed.
The scheme of drilling holes (1.6-2.1mm) on hard and brittle materials such as glass ceramics in the existing market is that a grinding rod of electroplated diamond is adopted, the drilling speed is slow in a grinding mode, a base body of the grinding rod is made of common steel, and once the base body of the grinding rod is drilled into the hard and brittle materials, the drilling failure is easily caused. Therefore, it is important to consider the development of an electroplated diamond double-head micro drill bit suitable for drilling holes on hard and brittle materials.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an improve production efficiency, reduce the electroplating diamond double-end microbit that is applicable to hard brittle material and punches hole of product disability rate.
In order to achieve the above object, the utility model provides a following technical scheme:
a plated diamond double-head micro drill bit comprises a transverse threaded connecting column in the middle, wherein the left end and the right end of the threaded connecting column are connected with threaded fixing columns through threads and bolts, the left end of one threaded fixing column on the left side is connected with a first trapezoidal connecting column, the left end of the first trapezoidal connecting column is connected with a first micro drill bit, the right end of one threaded fixing column on the right side is connected with a second trapezoidal connecting column, the right end of the second trapezoidal connecting column is connected with a second micro drill bit,
wherein:
the left end of the first micro drill bit is provided with a convex carborundum part, the convex carborundum part comprises a first fixed seat, the outer end of the first fixed seat extends leftwards, the middle part of the left end of the first fixed seat extends leftwards to form a boss, the outer ring of the right end of the boss forms a first leveling end on the first fixed seat, the carborundum is welded on the outer surface of the boss and the left side of the first leveling end to form the first carborundum part,
the right end of the second micro drill bit is provided with a concave carborundum part, the concave carborundum part comprises a second fixing seat, the outer end of the second fixing seat extends out rightwards, the center of the right end of the second fixing seat is recessed leftwards to form a groove, the outer side of the center of the right end of the second fixing seat is provided with a hollow annular block in a protruding mode rightwards, a second flat end is reserved on the outer ring of the hollow annular block, carborundum is welded on the inner ring of the annular block and the right side of the second flat end in the groove to form the second carborundum part, and the second carborundum part covers the right.
Preferably, the threaded connecting column is fixedly connected with the threaded fixing column through a bolt.
Preferably, the threaded connecting column comprises a connecting cylinder with the middle part transversely arranged, the left end and the right end of the connecting cylinder transversely extend outwards to form an external threaded connecting rod, and the external threaded connecting rod is provided with an internal threaded connecting hole which is communicated from front to back;
the thread fixing column comprises a fixing connecting column, an internal thread fixing hole and an internal thread hole, the internal thread hole is arranged at the middle internal position of the end part of the fixing connecting column close to the thread connecting column, and the internal thread fixing hole is arranged on the half section of the internal thread hole close to the thread connecting column in a penetrating manner from front to back;
the thread fixing column is fixedly connected with the external thread connecting rod of the thread connecting column through the internal thread hole, after the internal thread hole is connected with the external thread connecting rod in an aligning mode, the internal thread connecting hole corresponds to the internal thread fixing hole in position, and the bolt is screwed into the internal thread fixing hole and the internal thread connecting hole, so that the thread fixing column is connected with the thread connecting column.
Preferably, the size of the first micro drill is 1.5-2.0mm, the size of the second micro drill is 1.6-2.1mm, and the size of the second micro drill is 0.1mm larger than that of the first micro drill.
Preferably, the outer ring size of the first carborundum portion is tangent to the outer ring size of the first fixing seat, and the outer ring size of the second carborundum portion is tangent to the outer ring size of the second fixing seat.
Compared with the prior art, the utility model provides an electroplated diamond double-end micro drill bit possesses following beneficial effect:
the utility model discloses electroplate diamond double-end micro drill is applicable to hard brittle material and makes the hole, has the advantage that improves production efficiency, reduces the product disability rate.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
FIG. 1 is a schematic view of a structure of an electroplated diamond double-ended microbit according to the present invention;
fig. 2 is a schematic structural view of a thread fixing column provided by the present invention;
fig. 3 is a schematic view of the structure of the threaded connection column provided by the present invention;
FIG. 4 is an enlarged schematic view of the convex emery part of the present invention;
FIG. 5 is an enlarged schematic view of the concave emery part of the present invention;
FIG. 6 is a schematic cross-sectional view of a convex emery section according to the present invention;
FIG. 7 is a schematic cross-sectional view of a concave emery part according to the present invention;
in the figure: 1. a first microbit; 2. a first trapezoidal connecting column; 3. a threaded fixing column; 31. fixing a connecting column; 32. an internal thread fixing hole; 33. an internally threaded bore; 4. a threaded connection post; 41. an internal thread connecting hole; 42. a connecting cylinder; 43. an externally threaded connecting rod; 5. a bolt; 6. a second trapezoidal connecting column; 7. A second microbit; 8. a convex carborundum portion; 81. a first carborundum portion; 82. a boss; 83. a first leveling end; 84. a first fixed seat; 9. a concave carborundum part; 91. a second carborundum portion; 92. a groove; 93. a ring block; 94. a first fixed seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a double-head micro drill bit for electroplating diamond comprises a transverse threaded connecting column 4 in the middle, wherein the left end and the right end of the threaded connecting column 4 are connected with threaded fixing columns 3 through threads and bolts 5, the left end of one threaded fixing column 3 on the left side is connected with a first trapezoidal connecting column 2, the left end of the first trapezoidal connecting column 2 is connected with a first micro drill bit 1, the drilling size of the first micro drill bit 1 is 1.5-2.0mm, the right end of one threaded fixing column 3 on the right side is connected with a second trapezoidal connecting column 6, the right end of the second trapezoidal connecting column 6 is connected with a second micro drill bit 7, the drilling size of the second micro drill bit 7 is 1.6-2.1mm, and the drilling size of the second micro drill bit 7 is 0.1mm larger than that of the first micro drill bit 1;
wherein:
the left end of the first micro drill bit 1 is provided with a convex carborundum part 8, the convex carborundum part 8 comprises a first fixed seat 84 with the outer end extending leftwards, a boss 82 extends leftwards from the middle part of the left end of the first fixed seat 84, a first leveling end 83 is formed on the first fixed seat 84 by the outer ring of the right end of the boss 82, carborundum is welded on the left of the outer surface of the boss 82 and the first leveling end 83 to form a first carborundum part 81, and the outer ring size of the first carborundum part 81 is tangent to the outer ring size of the first fixed seat 84;
the right end of the second micro drill bit 7 is provided with a concave carborundum part 9, the concave carborundum part 9 comprises a second fixing seat 94 with the outer end extending rightward, the center of the right end of the second fixing seat 94 is recessed leftward to form a groove 92, the outer side of the center of the right end of the second fixing seat 94 is provided with a hollow annular block 93 in a protruding manner rightward, a second flat end is reserved on the outer ring of the hollow annular block 93, carborundum is welded on the inner ring of the annular block 93 and the right side of the second flat end in the groove 92 to form a second carborundum part 91, the second carborundum part 91 covers the right end face of the annular block 93, and the outer ring of the second carborundum part 91 is tangent to the outer ring of the second fixing.
The threaded connecting column 4 is fixedly connected with the threaded fixing column 3 through a bolt 5;
further, the threaded connecting column 4 comprises a connecting cylinder 42 with a transverse middle part, the left end and the right end of the connecting cylinder 42 are outwards and transversely extended with an external threaded connecting rod 43, and the external threaded connecting rod 43 is provided with an internal threaded connecting hole 41 which is through from front to back;
further, the threaded fixing column 3 comprises a fixing connecting column 31, an internal thread fixing hole 32 and an internal thread hole 33, the internal thread hole 33 is arranged at the middle internal position of the end part of the fixing connecting column 31 close to the threaded connecting column 4, and the internal thread fixing hole 32 is arranged on the half section of the internal thread hole 33 close to the threaded connecting column 4 in a penetrating manner from front to back;
the threaded fixing column 3 is fixedly connected with the external threaded connecting rod 43 of the threaded connecting column 4 through the internal threaded hole 33, after the internal threaded hole 33 is connected and aligned with the external threaded connecting rod 43, the internal threaded connecting hole 41 corresponds to the internal threaded fixing hole 32 in position, and the bolt 5 is screwed into the internal threaded fixing hole 32 and the internal threaded connecting hole 41, so that the threaded fixing column 3 is connected with the threaded connecting column 4.
The utility model discloses a theory of operation and use flow: the utility model discloses install the back, the staff is according to the size in the hole of treating processing, select No. two micro bit 7 and a micro bit 1 of when size, wherein the drilling size of No. two micro bit 7 of selecting is 0.1mm bigger than the size of a micro bit 1, a micro bit 1 is owing to adopt protruding type diamond dust portion 8, drilling efficiency is higher, No. two micro bit 7 adopts concave type diamond dust portion 9, properly carry out the reaming correction after 1 drilling of a micro bit is accomplished, satisfy final drilling size demand.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A diamond electroplating double-head micro drill bit is characterized by comprising a transverse threaded connecting column (4) in the middle, wherein the left end and the right end of the threaded connecting column (4) are connected with threaded fixing columns (3) through threads and bolts (5), the left end of one threaded fixing column (3) on the left side is connected with a first trapezoidal connecting column (2), the left end of the first trapezoidal connecting column (2) is connected with a first micro drill bit (1), the right end of one threaded fixing column (3) on the right side is connected with a second trapezoidal connecting column (6), the right end of the second trapezoidal connecting column (6) is connected with a second micro drill bit (7),
wherein:
the left end of the first micro drill bit (1) is provided with a convex carborundum part (8), the convex carborundum part (8) comprises a first fixed seat (84) with the outer end extending leftwards, a boss (82) extends leftwards from the middle part of the left end of the first fixed seat (84), the outer ring of the right end of the boss (82) forms a first leveling end (83) on the first fixed seat (84), carborundum is welded on the outer surface of the boss (82) and on the left side of the first leveling end (83) to form a first carborundum part (81),
the right-hand member of No. two micro drill (7) is provided with concave type diamond dust portion (9), and concave type diamond dust portion (9) include second fixing base (94) that the outer end stretches out to the right, and the right-hand member center department of second fixing base (94) is sunken left and is formed recess (92), and the right-hand member center outside department of second fixing base (94) is provided with hollow annular piece (93) in the right side protrusion, and hollow annular piece (93) outer lane leaves the second flat end, the right-hand welding diamond dust of the inner, the inner circle of annular piece (93), the second flat end of recess (92) forms second diamond dust portion (91), and second diamond dust portion (91) cover the right-hand member face of annular piece (93).
2. The electroplated diamond double-ended microbit of claim 1, wherein the threaded connection post is fixedly connected with the threaded connection post by a bolt.
3. The electroplated diamond double-head micro drill bit as claimed in claim 2, wherein the threaded connection column comprises a connection cylinder with a transverse middle part, the left and right ends of the connection cylinder are outwards and transversely extended with an external threaded connection rod, and the external threaded connection rod is provided with an internal threaded connection hole which is through from front to back;
the thread fixing column comprises a fixing connecting column, an internal thread fixing hole and an internal thread hole, the internal thread hole is arranged at the middle internal position of the end part of the fixing connecting column close to the thread connecting column, and the internal thread fixing hole is arranged on the half section of the internal thread hole close to the thread connecting column in a penetrating manner from front to back;
the thread fixing column is fixedly connected with the external thread connecting rod of the thread connecting column through the internal thread hole, after the internal thread hole is connected with the external thread connecting rod in an aligning mode, the internal thread connecting hole corresponds to the internal thread fixing hole in position, and the bolt is screwed into the internal thread fixing hole and the internal thread connecting hole, so that the thread fixing column is connected with the thread connecting column.
4. The electroplated diamond double-ended microbit according to claim 1, characterized in that the bore size of the first microbit is 1.5-2.0mm, the bore size of the second microbit is 1.6-2.1mm, and the bore size of the second microbit is 0.1mm larger than the bore size of the first microbit.
5. The electroplated diamond double-ended microbit of claim 1, wherein the outer dimension of the first diamond portion is tangent to the outer dimension of the first holder, and the outer dimension of the second diamond portion is tangent to the outer dimension of the second holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920536058.6U CN209920253U (en) | 2019-04-19 | 2019-04-19 | Electroplated diamond double-head micro drill bit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920536058.6U CN209920253U (en) | 2019-04-19 | 2019-04-19 | Electroplated diamond double-head micro drill bit |
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| CN209920253U true CN209920253U (en) | 2020-01-10 |
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| CN201920536058.6U Active CN209920253U (en) | 2019-04-19 | 2019-04-19 | Electroplated diamond double-head micro drill bit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109940768A (en) * | 2019-04-19 | 2019-06-28 | 江苏锋菱超硬工具有限公司 | A kind of electroplated diamond double end microbit and its production method |
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2019
- 2019-04-19 CN CN201920536058.6U patent/CN209920253U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109940768A (en) * | 2019-04-19 | 2019-06-28 | 江苏锋菱超硬工具有限公司 | A kind of electroplated diamond double end microbit and its production method |
| CN109940768B (en) * | 2019-04-19 | 2024-06-11 | 江苏锋菱超硬工具有限公司 | Double-end micro drill bit for electroplated diamond and production method thereof |
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