CN211388317U - Carbide diplopore gun drill correct grinding anchor clamps - Google Patents
Carbide diplopore gun drill correct grinding anchor clamps Download PDFInfo
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- CN211388317U CN211388317U CN201922356377.1U CN201922356377U CN211388317U CN 211388317 U CN211388317 U CN 211388317U CN 201922356377 U CN201922356377 U CN 201922356377U CN 211388317 U CN211388317 U CN 211388317U
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- gun drill
- hole
- positioning
- carbide
- anchor clamps
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Abstract
The utility model discloses a carbide diplopore gun drill correct grinding anchor clamps, including supporting anchor clamps and location core bar, the whole cylinder that is of supporting anchor clamps, open at the side middle part of cylinder have with be used for fixing a position the fixed part that the gun drilled, open at both ends face center has the connecting hole of being connected with the lathe, and it has the locating hole that corresponds with the water conservancy diversion hole of gun drill to open on the cylinder terminal surface that corresponds with the fixed part, and the setting can be dismantled in the locating hole to the location core bar. The utility model discloses set up support fixture and location core bar and make up the use, the ingenious utilization is convenient, firm by the structural feature clamping of processing the product, and axial, radial positioning are accurate, can guarantee that carbide diplopore gun drill's correct grinding size and position precision production efficiency are higher simultaneously, are suitable for scale industrial popularization.
Description
Technical Field
The utility model relates to a carbide gun drill technical field, concretely relates to carbide diplopore gun drill correct grinding anchor clamps.
Background
Gun drills are deep-hole drill chip machining tools, are specially used for machining gun barrels at first and then are used for general machining, and have a long history. The gun drill can drill a deep hole with the drilling chip length-diameter ratio of 100:1, and the auxiliary support can drill a deep hole with the drilling chip ratio of 200:1, so that the gun drill is an economical, applicable and high-reliability deep hole machining tool. The traditional gun drill tool is made of high-speed steel materials and is gradually replaced by hard alloy in recent years, the drilling cutting speed of the hard alloy gun drill is 4-5 times or even higher than that of the high-speed steel, and the surface quality of a machined part is excellent, so that the advantages of the hard alloy gun drill in the technical field of hole machining are more and more obvious. The material characteristics and the complex structure of the hard alloy gun drill make the hard alloy gun drill difficult to process, firstly, the precision is difficult to ensure, the stability of the product quality is poor, and secondly, the production efficiency is very low, thereby restricting the popularization and the use of the hard alloy gun drill in the field of drilling cuttings.
Disclosure of Invention
The utility model aims at providing a carbide diplopore gun drill correct grinding anchor clamps to solve quality and production efficiency scheduling problem of carbide gun drill in the clamping, location and the abrasive machining of correct grinding in-process.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a carbide diplopore gun drill correct grinding anchor clamps, includes supporting jig and location core bar, the whole cylinder that is of supporting jig, open the side middle part of cylinder has the fixed part that is used for the location gun drill, and open at both ends face center has the connecting hole of being connected with the lathe, and it has the locating hole that corresponds with the water conservancy diversion hole of gun drill to open on the cylinder terminal surface that corresponds with the fixed part, and the setting can be dismantled in the locating hole to the location core bar.
Furthermore, there are 2 locating holes, and its aperture is 0.05 ~ 0.10 mm.
Further, the diameter of the positioning core rod is smaller than the aperture of the positioning hole.
Further, the cylinder part of fixed part is the type of falling V, and its contained angle is 1 ~ 1.5 less than the V type groove contained angle of gun drill.
Furthermore, the supporting clamp and the positioning core rod are both made of Cr12 die steel.
The utility model discloses set up support fixture and location core bar and make up the use, the ingenious utilization is convenient, firm by the structural feature clamping of processing the product, and axial, radial positioning are accurate, can guarantee that carbide diplopore gun drill's correct grinding size and position precision production efficiency are higher simultaneously, are suitable for scale industrial popularization.
Drawings
Fig. 1 is a schematic structural view of a prior art gun drill.
Figure 2 is the structure schematic diagram of the fine grinding clamp of the utility model.
Fig. 3 is a schematic structural view of the supporting clamp of the present invention.
Fig. 4 is a schematic view of the installation structure of the present invention.
The labels in the figure are: 100. gun drilling; 101. a flow guide hole; 102. a V-shaped groove; 200. supporting the clamp; 201. A fixed part; 202. connecting holes; 203. positioning holes; 300. positioning the core rod; 400. provided is a machine tool.
Detailed Description
The hard alloy double-hole gun drill 100 fine grinding fixture provided by the embodiment is used for clamping and fixing the gun drill 100, so that the gun drill 100 can be conveniently polished, the gun drill 100 is made of hard alloy, the structure of the hard alloy double-hole gun drill 100 is shown in fig. 1, the hard alloy double-hole gun drill comprises an arc side and side faces connected to two side edges of the arc side, the side faces are connected to form a three-dimensional structure, and two guide holes 101 are formed in the end face of the hard alloy double-hole gun drill.
As shown in fig. 2, the finish grinding jig of the present embodiment includes a supporting jig 200 and a positioning core bar 300, which are made of Cr12 die steel, as shown in fig. 3, two ends of the supporting jig 200 are connected to a processing machine tool 400, the middle portion is used for mounting the gun drill 100, the supporting jig 200 is integrally cylindrical, a fixing portion 201 is formed in the middle of a side wall of the cylinder, the fixing portion 201 is mounted on the gun drill 100 to form a complete cylinder, the fixing portion 201 includes two side surfaces, an inverted V-shaped structure formed by the two side surfaces is matched with the V-shaped groove 102 of the gun drill 100, an included angle of the inverted V-shaped structure is smaller than an included angle of the V-shaped groove 102 of the gun drill 100 by 1 to 1.5 degrees, so as to facilitate mounting of the gun drill 100, when the gun drill is just matched, the gun drill 100 needs to be forcibly mounted to; the center of two end faces of the supporting clamp 200 is provided with a connecting hole 202 for connecting the tip of the machine tool 400, the end face of a cylinder corresponding to the fixing part 201 is provided with a positioning hole 203 corresponding to the guide hole 101 of the gun drill 100, the positioning core rod 300 is a cylinder and sequentially penetrates through the positioning hole 203 at one end, the guide hole 101 and the positioning hole 203 at the other end, so that the gun drill 100 is fixed on the fine grinding clamp, the aperture of the positioning hole 203 can be consistent with the aperture of the guide hole 101 or slightly larger than the aperture of the guide hole 101, the aperture is 0.05-0.10 mm, and the aperture is larger than the diameter of the positioning core rod 300, so that the positioning core rod 300 can conveniently penetrate through the positioning hole 203 and the guide hole 101, and the gun drill 100 is fixed in a positioning manner.
As shown in fig. 4, in this embodiment, the gun drill 100 is first mounted on the fixing portion 201, then the positioning core rod 300 is mounted, and then the mounted core rod is mounted on the machine tool 400, and the machine tool 400 is turned on to process the gun drill 100.
The above is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and the utility model should be covered in the protection scope of the present invention.
Claims (5)
1. The utility model provides a carbide diplopore gun drill correct grinding anchor clamps which characterized in that: the positioning device comprises a supporting clamp (200) and a positioning core rod (300), wherein the supporting clamp (200) is integrally a cylinder, a fixing part (201) used for positioning a gun drill (100) is arranged in the middle of the side face of the cylinder, connecting holes (202) connected with a machine tool (400) are formed in the centers of two end faces, a positioning hole (203) corresponding to a flow guide hole (101) of the gun drill (100) is formed in the end face of the cylinder corresponding to the fixing part (201), and the positioning core rod (300) is detachably arranged in the positioning hole (203).
2. The carbide double-hole gun drill finish grinding jig of claim 1, wherein: the number of the positioning holes (203) is 2, and the aperture of each positioning hole is 0.05-0.10 mm.
3. The carbide double-hole gun drill finish grinding jig of claim 2, wherein: the diameter of the positioning core rod (300) is smaller than the aperture of the positioning hole (203).
4. The carbide double-hole gun drill finish grinding jig of claim 1, wherein: the cylindrical part of fixed part (201) is the type of falling V, and its contained angle is 1 ~ 1.5 less than V type groove (102) contained angle of gun drill (100).
5. The carbide double-hole gun drill finish grinding jig of claim 1, wherein: the supporting clamp (200) and the positioning core rod (300) are both made of Cr12 die steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922356377.1U CN211388317U (en) | 2019-12-23 | 2019-12-23 | Carbide diplopore gun drill correct grinding anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922356377.1U CN211388317U (en) | 2019-12-23 | 2019-12-23 | Carbide diplopore gun drill correct grinding anchor clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211388317U true CN211388317U (en) | 2020-09-01 |
Family
ID=72214711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922356377.1U Active CN211388317U (en) | 2019-12-23 | 2019-12-23 | Carbide diplopore gun drill correct grinding anchor clamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211388317U (en) |
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2019
- 2019-12-23 CN CN201922356377.1U patent/CN211388317U/en active Active
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