CN220761101U - Twist drill for high-precision reaming - Google Patents
Twist drill for high-precision reaming Download PDFInfo
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- CN220761101U CN220761101U CN202322128456.3U CN202322128456U CN220761101U CN 220761101 U CN220761101 U CN 220761101U CN 202322128456 U CN202322128456 U CN 202322128456U CN 220761101 U CN220761101 U CN 220761101U
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- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000004080 punching Methods 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 238000005553 drilling Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 16
- 238000005520 cutting process Methods 0.000 description 6
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of twist drills, in particular to a twist drill for high-precision reaming, which comprises a twist drill body, a twist drill material composition mechanism and a twist drill punching depth adjusting mechanism, wherein the twist drill material composition mechanism and the twist drill punching depth adjusting mechanism are positioned outside the twist drill body; the twist drill is characterized in that the bottom of the twist drill body is provided with a small-size twist drill, the upper part of the small-size twist drill is connected with a large-size twist drill, the twist drill material composition mechanism comprises a wear-resistant layer, and the lower part of the wear-resistant layer is provided with a heat conducting layer. According to the utility model, through the set twist drill punching depth adjusting mechanism, the sliding block and the adjusting block can be moved to proper positions according to the required punching depth, then the sliding block and the adjusting block are limited and fixed through the bolts, and when the adjusting block contacts an object to be drilled, the drilling can be stopped.
Description
Technical Field
The utility model relates to the technical field of twist drills, in particular to a twist drill for high-precision reaming.
Background
Twist drills are tools for drilling round holes in a workpiece by rotating the twist drills about a fixed axis, and are known as twist drills because of their spiral flutes, and are the most widely used tools in hole machining tools.
According to the utility model, in a drilling, expanding and chamfering integrated twist drill for taper hole machining, which is disclosed by the utility model, the drilling, expanding and chamfering integrated twist drill comprises a connecting part and a cutting part, wherein the right end of the connecting part is provided with the cutting part, the connecting part and the cutting part are of an integrated structure, the surface end of the cutting part is provided with a chip groove, a plurality of cutting grooves are formed in the chip groove, and the cutting grooves are fixed with the chip groove by spot welding.
However, some conventional twist drills with outer diameters of more than 18mm are used in a process of using, small-size drills are needed to be used for carrying out hole turning operation in advance, the whole process is complicated and laborious, meanwhile, deviation in perpendicularity between two drills is easy to occur in a secondary reaming process, effective reaming is not facilitated, the conventional twist drills are inconvenient to determine the depth of a hole, so that workers are inconvenient to open holes with different depths on an object, the use precision is low, and therefore, the twist drill for high-precision reaming is provided.
Disclosure of Invention
The utility model aims to provide a twist drill for high-precision reaming, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a twist drill for high-precision reaming comprises a twist drill body, a twist drill material composition mechanism and a twist drill punching depth adjusting mechanism, wherein the twist drill material composition mechanism and the twist drill punching depth adjusting mechanism are positioned outside the twist drill body;
the twist drill is characterized in that a small-size twist drill is arranged at the bottom of the twist drill body, and a large-size twist drill is connected above the small-size twist drill.
As still further aspects of the utility model: the twist drill material composition mechanism comprises a wear-resistant layer, and a heat conduction layer is arranged below the wear-resistant layer.
As still further aspects of the utility model: and a hard alloy base layer is arranged below the heat conducting layer.
As still further aspects of the utility model: the twist drill punching depth adjusting mechanism comprises an adjusting block, and a sliding block is fixed above the adjusting block.
As still further aspects of the utility model: bolts are mounted on the left side and the right side of the sliding block.
As still further aspects of the utility model: and a plurality of groups of adjusting holes are formed in the left side and the right side of the small-size twist drill and the large-size twist drill.
As still further aspects of the utility model: chip grooves are formed in the outer parts of the small-size twist drill and the large-size twist drill.
The above description shows that, by the above technical solution of the present application, the technical problem to be solved by the present application can be necessarily solved.
Meanwhile, through the technical scheme, the utility model has at least the following beneficial effects:
according to the utility model, through the set twist drill punching depth adjusting mechanism, the sliding block and the adjusting block can be moved to proper positions according to the required punching depth, then the sliding block and the adjusting block are limited and fixed through the bolts, and when the adjusting block contacts an object to be drilled, the drilling can be stopped;
according to the utility model, the large-size twist drill and the small-size twist drill are fixedly connected, so that the problems that in the use process of the conventional twist drills with the outer diameters of more than 18mm, the small-size drill is required to be used for carrying out preliminary hole turning operation, the whole process is complicated and laborious, and meanwhile, deviation in perpendicularity between the two drill bits is easy to occur in the secondary reaming process, and the effective reaming is not easy to carry out are solved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural view of a mechanism for adjusting the drilling depth of a twist drill according to the present utility model;
FIG. 3 is a schematic view of the structure of the present utility model, partially enlarged at A in FIG. 2;
fig. 4 is a schematic structural view of a twist drill material composing mechanism according to the present utility model.
In the figure: 1. a twist drill body; 2. large-sized twist drills; 3. a small-sized twist drill; 4. the twist drill material composition mechanism; 401. a wear-resistant layer; 402. a heat conducting layer; 403. a cemented carbide base layer; 5. a twist drill punching depth adjusting mechanism; 501. a sliding block; 502. an adjusting block; 503. a bolt; 504. an adjustment aperture; 6. chip removal groove.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
As shown in fig. 1, the present utility model provides a technical solution: the twist drill for high-precision reaming comprises a twist drill body 1, a twist drill material composition mechanism 4 and a twist drill punching depth adjusting mechanism 5, wherein the twist drill material composition mechanism 4 and the twist drill punching depth adjusting mechanism 5 are positioned outside the twist drill body 1;
the bottom of fluted drill body 1 is provided with small-size fluted drill 3, and the top of small-size fluted drill 3 is connected with jumbo size fluted drill 2, through setting up jumbo size fluted drill 2 and small-size fluted drill 3 fixed connection, has solved current some external diameters and is more than 18mm fluted drill in carrying out the use, and most need use the small-size drill bit to carry out the operation of changeing the hole in advance, and whole process is comparatively loaded down with trivial details, and simultaneously the condition that there is the deviation the straightness that exists between the secondary drill bit easily appears in the secondary reaming in-process, is unfavorable for the problem of the effective going on of reaming, chip groove 6 has all been seted up to the outside of small-size fluted drill 3 and jumbo size fluted drill 2.
Example two
The scheme in the first embodiment is further described below in conjunction with a specific working manner, and the details are described below:
as shown in fig. 4, as a preferred embodiment, based on the above manner, further, the twist drill material forming mechanism 4 includes a wear-resistant layer 401, a heat-conducting layer 402 is disposed below the wear-resistant layer 401, a cemented carbide base layer 403 is disposed below the heat-conducting layer 402, and the twist drill material forming mechanism 4 is disposed, where the heat-conducting layer 402 enables the twist drill body 1 to conduct away generated heat during drilling, so as to reduce the temperature of the drilling portion of the twist drill body 1, and wear of the twist drill body 1 can be reduced by matching with the wear-resistant layer 401, and the cemented carbide base layer 403 is disposed so that the twist drill body 1 has excellent properties of electrical insulation, oxidation resistance, corrosion resistance and the like.
As shown in fig. 2 and 3, as a preferred embodiment, further, based on the above manner, the twist drill punching depth adjusting mechanism 5 includes an adjusting block 502, a sliding block 501 is fixed above the adjusting block 502, bolts 503 are installed on the left and right sides of the sliding block 501, a plurality of groups of adjusting holes 504 are formed on the left and right sides of the small-size twist drill 3 and the large-size twist drill 2, the sliding block 501 and the adjusting block 502 can be moved to a proper position according to the required punching depth through the set twist drill punching depth adjusting mechanism 5, and then the sliding block 501 and the adjusting block 502 are limited and fixed through the bolts 503, when the adjusting block 502 contacts an object to be drilled, the drilling can be stopped, and the setting solves the problems that the existing twist drill is inconvenient to determine the punching depth, so that workers are inconvenient to open holes with different depths on the object, and the use accuracy is low.
From the above, it can be seen that:
the utility model aims at the technical problems that: in the existing twist drills with the outer diameters of more than 18mm, small-sized drills are mostly needed to be used for carrying out pre-hole turning operation, the whole process is complicated and laborious, meanwhile, deviation in perpendicularity between the two drills easily occurs in the secondary reaming process, effective reaming is not facilitated, the existing twist drills are inconvenient to determine the hole opening depth, so that workers are inconvenient to open holes with different depths on objects, and the use precision is low; the technical scheme of each embodiment is adopted. Meanwhile, the implementation process of the technical scheme is as follows:
when the twist drill body 1 is used, through the arranged twist drill punching depth adjusting mechanism 5, the sliding block 501 and the adjusting block 502 can be moved to a proper position according to the required punching depth, then the sliding block 501 and the adjusting block 502 are limited and fixed through the bolt 503, when the adjusting block 502 contacts an object to be drilled, the drilling can be stopped, the arrangement solves the problem that the existing twist drill is inconvenient to determine the punching depth, so that staff is inconvenient to punch holes with different depths on the object, the use precision is lower, the problems that the conventional twist drill with the outer diameter of more than 18mm is solved in the use process by arranging the large-size twist drill 2 and the small-size twist drill 3 to be fixedly connected, most of the twist drill needs to use a small-sized drill bit to perform pre-drilling operation, the whole process is complicated and laborious, meanwhile, the situation that deviation exists in perpendicularity between the two drill bits is easy to occur in the secondary reaming process, and the effective reaming is not facilitated is solved, through the arrangement of the twist drill material forming mechanism 4, the heat conduction layer 402 enables generated heat of the twist drill body 1 to be conducted out during drilling, so that the temperature of a drilling part of the twist drill body 1 is reduced, the abrasion of the twist drill body 1 can be reduced by matching with the abrasion-resistant layer 401, and the arrangement of the hard alloy base layer 403 enables the twist drill body 1 to have excellent characteristics of electric insulation, oxidization resistance, corrosion resistance and the like;
through above-mentioned setting, this application must solve above-mentioned technical problem, simultaneously, realizes following technical effect:
according to the utility model, through the set twist drill punching depth adjusting mechanism 5, the sliding block 501 and the adjusting block 502 can be moved to proper positions according to the required punching depth, then the sliding block 501 and the adjusting block 502 are limited and fixed through the bolts 503, and when the adjusting block 502 contacts an object to be drilled, the drilling can be stopped;
according to the utility model, the large-size twist drill 2 and the small-size twist drill 3 are fixedly connected, so that the problems that in the use process of the conventional twist drills with the outer diameters of more than 18mm, most of twist drills need to be used for carrying out pre-hole turning operation, the whole process is complicated and laborious, meanwhile, deviation in perpendicularity between two drill bits is easy to occur in the secondary reaming process, and the effective reaming is not easy to carry out are solved, and the mechanism 4 is composed of the twist drill materials, wherein the heat conducting layer 402 enables generated heat of the twist drill body 1 to be conducted during drilling, so that the temperature of the drilling part of the twist drill body 1 is reduced, the wear of the twist drill body 1 can be reduced by matching with the wear-resistant layer 401, and the hard alloy base layer 403 enables the twist drill body 1 to have excellent characteristics of electric insulation, oxidization resistance, corrosion resistance and the like.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The twist drill for high-precision reaming is characterized by comprising a twist drill body (1), and a twist drill material composition mechanism (4) and a twist drill punching depth adjusting mechanism (5) which are positioned outside the twist drill body (1);
the twist drill is characterized in that a small-size twist drill (3) is arranged at the bottom of the twist drill body (1), and a large-size twist drill (2) is connected above the small-size twist drill (3).
2. The twist drill for high-precision reaming as claimed in claim 1, wherein the twist drill material composing mechanism (4) comprises a wear-resistant layer (401), and a heat conducting layer (402) is arranged below the wear-resistant layer (401).
3. A twist drill for high precision reaming as claimed in claim 2, characterized in that a cemented carbide base layer (403) is provided under the heat conductive layer (402).
4. The twist drill for high-precision reaming as claimed in claim 1, wherein the twist drill punching depth adjusting mechanism (5) comprises an adjusting block (502), and a sliding block (501) is fixed above the adjusting block (502).
5. The twist drill for high precision reaming as claimed in claim 4, wherein the slide block (501) has bolts (503) mounted on both left and right sides thereof.
6. The twist drill for high precision reaming as claimed in claim 1, wherein the small-sized twist drill (3) and the large-sized twist drill (2) are provided with a plurality of groups of adjusting holes (504) on both left and right sides thereof.
7. The twist drill for high-precision reaming as claimed in claim 1, wherein the outer parts of the small-sized twist drill (3) and the large-sized twist drill (2) are provided with junk slots (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322128456.3U CN220761101U (en) | 2023-08-08 | 2023-08-08 | Twist drill for high-precision reaming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322128456.3U CN220761101U (en) | 2023-08-08 | 2023-08-08 | Twist drill for high-precision reaming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220761101U true CN220761101U (en) | 2024-04-12 |
Family
ID=90603998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322128456.3U Active CN220761101U (en) | 2023-08-08 | 2023-08-08 | Twist drill for high-precision reaming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220761101U (en) |
-
2023
- 2023-08-08 CN CN202322128456.3U patent/CN220761101U/en active Active
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