CN220178193U - Cutter for processing movable column head joint hole of hydraulic support - Google Patents
Cutter for processing movable column head joint hole of hydraulic support Download PDFInfo
- Publication number
- CN220178193U CN220178193U CN202321466336.8U CN202321466336U CN220178193U CN 220178193 U CN220178193 U CN 220178193U CN 202321466336 U CN202321466336 U CN 202321466336U CN 220178193 U CN220178193 U CN 220178193U
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- cutter
- cutter body
- hole
- blade
- machining
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- 238000003754 machining Methods 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 239000000110 cooling liquid Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The utility model provides a cutter for processing a movable column head joint hole of a hydraulic support, which comprises a cutter body, two reamer blades, one reamer blade, one waist chamfering blade and two tail chamfering blades, wherein two chip grooves are symmetrically formed in two sides of the cutter body, extend from the front end of the cutter body to the rear part of the cutter body, and are respectively arranged at the front ends of the two chip grooves and used for roughly processing threaded holes of the joint hole; the cutter expanding blade is arranged in the middle of one chip groove and used for roughly machining a sealing hole of a joint hole, and the waist chamfering blade is arranged in the middle of the other chip groove and used for machining a chamfer at the bottom end of the sealing hole; the two tail chamfering blades are respectively arranged at the tail parts of the two chip grooves and are used for processing chamfers at the top ends of the sealing holes. The cutter for processing the movable column head joint holes of the hydraulic support has the advantages of scientific design, no need of frequent replacement of the cutter, high processing efficiency and easy guarantee of processing precision.
Description
Technical Field
The utility model relates to a hole machining tool, in particular to a tool for machining a movable column head joint hole of a hydraulic support.
Background
As shown in fig. 1, the movable column head joint hole of the hydraulic support mainly comprises a counter bore 1, a chamfer angle 2, a sealing hole 3, a threaded hole 4 and an inner hole 5 which are communicated in sequence, wherein the counter bore 1 has the function of avoiding deflection when a drill bit starts to be processed, the sealing hole 3 has the sealing function, the roughness requirement is Ra1.6, the threaded hole 4 is used for connecting a liquid supply pipe, the coaxiality of the threaded hole 4 and the sealing hole 3 cannot exceed more than 0.05, and otherwise, the joint end is difficult to install.
Based on inconsistent pore diameters of column head joint holes of a movable column, the structure is complex, and the existing processing modes mainly comprise two types: the method comprises the steps of roughly machining the counter bore 1, the seal hole 3, the threaded hole 4 and the chamfer angle 2 by using different cutters, finely machining the seal hole 3 and machining internal threads by using boring cutters, wherein the cutters are required to be replaced in each working procedure, and the machining steps are complicated; the other is to adopt a spiral milling cutter for processing, which revolves while rotating, and processes each inner hole to the required size, but the spiral milling cutter only contacts with a workpiece when in processing, so that the stress is unbalanced, the dimensional precision and the position precision are not guaranteed, and the processing efficiency is lower.
In order to solve the above problems, an ideal technical solution is always sought.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, and provides the cutter for processing the movable column head joint hole of the hydraulic support, which is scientific in design, high in processing efficiency and easy to ensure the processing precision, and does not need to frequently replace the cutter.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the cutter for machining the movable column head joint hole of the hydraulic support comprises a cutter body, two reamer blades, one reamer blade, one waist chamfering blade and two tail chamfering blades, wherein two chip grooves are symmetrically formed in two sides of the cutter body, the two chip grooves extend from the front end of the cutter body to the rear part of the cutter body, and the two reamer blades are respectively arranged at the front ends of the two chip grooves and are used for roughly machining threaded holes of the joint hole; the cutter expanding blade is arranged in the middle of one chip groove and used for roughly machining a sealing hole of the joint hole, and the waist chamfering blade is arranged in the middle of the other chip groove and used for machining a chamfer at the bottom end of the sealing hole; and the two tail chamfering blades are respectively arranged at the tail parts of the two chip grooves and are used for processing chamfers at the top ends of the sealing holes.
Based on the above, the cutter body is further provided with a cooling liquid through hole, and the cooling liquid through hole conveys cooling liquid to the front end of the cutter body.
Based on the above, the two chip removal grooves are arranged in parallel with the axis of the cutter body.
Based on the above, the cutting edge of the reamer blade is perpendicular to the axis of the cutter body, the cutting edge of the waist chamfering blade and the axis of the cutter body form an included angle of 45 degrees, and the cutting edge of the tail chamfering blade and the axis of the cutter body form an included angle of 20 degrees.
Compared with the prior art, the utility model has substantial characteristics and progress, in particular to the utility model, two reamer blades, one reamer blade, one waist chamfering blade and two tail chamfering blades are integrated on the cutter body, when the joint hole is processed, the front ends of the two reamer blades are drilled, the threaded hole of the joint hole is finally and roughly processed, the reamer blade is reamed at the rear, the sealing hole of the joint hole is finally and roughly processed, the waist chamfering blade is used for processing the chamfer at the bottom end of the sealing hole, the tail chamfering blade is used for processing the chamfer at the top end of the sealing hole, and one cutter is used for realizing one-time rough processing of the complex hole; the cooling liquid through hole conveys cooling liquid to the front end of the cutter body, so that the cooling effect of the cutter can be achieved, and broken scraps can be washed away in time; the tool has the advantages of scientific design, no need of frequently replacing tools, high machining efficiency and easy guarantee of machining precision.
Drawings
Fig. 1 is a schematic structural view of a post head joint hole of a hydraulic bracket in the background art.
FIG. 2 is a schematic structural view of a cutter for processing a column head joint hole of a hydraulic support according to the present utility model.
In the figure: 1. countersink; 2. chamfering; 3. sealing the hole; 4. a threaded hole; 5. an inner bore; 6. a cutter body; 7. reamer blades; 8. a knife-expanding blade; 9. waist chamfering blade; 10. tail chamfering blade; 11. a chip removal groove; 12. and a cooling liquid through hole.
Detailed Description
The technical scheme of the utility model is further described in detail through the following specific embodiments.
As shown in fig. 2, a cutter for machining a column head joint hole of a hydraulic support comprises a cutter body 6, two reamer blades 7, a reamer blade 8, a waist chamfering blade 9 and two tail chamfering blades 10, wherein two chip grooves 11 are symmetrically formed on two sides of the cutter body 1, the two chip grooves 11 are arranged in parallel with the axis of the cutter body 6, the two chip grooves 11 extend from the front end of the cutter body 6 to the rear part of the cutter body 6, the two reamer blades 7 are respectively arranged at the front ends of the two chip grooves 11, and cutting edges of the reamer blades 7 are perpendicular to the axis of the cutter body 6 and are used for roughly machining threaded holes 4 of the joint hole; the cutter expanding blade 7 is arranged in the middle of one chip groove 11, the cutting edge of the cutter expanding blade 7 is perpendicular to the axis of the cutter body 6 and is used for roughly machining the sealing hole 3 of the joint hole, the waist chamfering blade 9 is arranged in the middle of the other chip groove 11, the cutting edge of the waist chamfering blade 9 and the axis of the cutter body 6 form an included angle of 45 degrees and are used for machining a chamfer at the bottom end of the sealing hole 3, and the chamfer at the position is newly added on the structure of the traditional joint hole and mainly aims to avoid the phenomenon that burrs remain at the bottom end of the sealing hole 3 and a liquid supply pipe cannot be installed; the two tail chamfering blades 10 are respectively arranged at the tail parts of the two chip grooves 11, and the cutting edges of the tail chamfering blades 10 and the axis of the cutter body 6 form an included angle of 20 degrees and are used for machining the chamfer 2 at the top end of the sealing hole 3.
A cooling liquid through hole 12 is also formed in the cutter body 6, and the cooling liquid through hole 12 conveys cooling liquid to the front end of the cutter body 6; on the one hand, the cutting tool can cool down, and on the other hand, broken scraps can be washed away in time.
When the hydraulic support is specifically used, the counter bore 1 is machined by using other cutters, the inner hole 5 is machined by changing the cutters, then the cutter for machining the movable column head joint hole of the hydraulic support is used for rough machining the threaded hole 4, the chamfer angle at the bottom of the seal hole 3, the seal hole 3 and the chamfer angle 2 at the top of the seal hole 3 at one time, and finally the seal hole 3 is finished by using a boring cutter and the internal thread of the threaded hole 4 is machined by using a tap.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical scheme of the present utility model and are not limiting; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.
Claims (4)
1. A cutter for processing a column head joint hole of a movable column of a hydraulic support is characterized in that: the cutter comprises a cutter body, two reamer blades, one reamer blade, one waist chamfering blade and two tail chamfering blades, wherein two chip grooves are symmetrically formed in two sides of the cutter body, the two chip grooves extend from the front end of the cutter body to the rear part of the cutter body, and the two reamer blades are respectively arranged at the front ends of the two chip grooves and are used for roughly machining threaded holes of the joint holes; the cutter expanding blade is arranged in the middle of one chip groove and used for roughly machining a sealing hole of the joint hole, and the waist chamfering blade is arranged in the middle of the other chip groove and used for machining a chamfer at the bottom end of the sealing hole; and the two tail chamfering blades are respectively arranged at the tail parts of the two chip grooves and are used for processing chamfers at the top ends of the sealing holes.
2. The tool for machining a hydraulic bracket post head joint hole according to claim 1, wherein: and the cutter body is also provided with a cooling liquid through hole, and the cooling liquid through hole conveys cooling liquid to the front end of the cutter body.
3. The tool for machining a hydraulic bracket post head joint hole according to claim 2, wherein: the two chip removal grooves are arranged in parallel with the axis of the cutter body.
4. A tool for machining a hydraulic bracket post head joint hole according to any one of claims 1-3, wherein: the cutting edge of the reamer blade is perpendicular to the axis of the cutter body, the cutting edge of the waist chamfering blade and the axis of the cutter body form an included angle of 45 degrees, and the cutting edge of the tail chamfering blade and the axis of the cutter body form an included angle of 20 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321466336.8U CN220178193U (en) | 2023-06-09 | 2023-06-09 | Cutter for processing movable column head joint hole of hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321466336.8U CN220178193U (en) | 2023-06-09 | 2023-06-09 | Cutter for processing movable column head joint hole of hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220178193U true CN220178193U (en) | 2023-12-15 |
Family
ID=89107673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321466336.8U Active CN220178193U (en) | 2023-06-09 | 2023-06-09 | Cutter for processing movable column head joint hole of hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220178193U (en) |
-
2023
- 2023-06-09 CN CN202321466336.8U patent/CN220178193U/en active Active
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