CN114888326B - drilling device for roller shaft diameter - Google Patents
drilling device for roller shaft diameter Download PDFInfo
- Publication number
- CN114888326B CN114888326B CN202210304148.9A CN202210304148A CN114888326B CN 114888326 B CN114888326 B CN 114888326B CN 202210304148 A CN202210304148 A CN 202210304148A CN 114888326 B CN114888326 B CN 114888326B
- Authority
- CN
- China
- Prior art keywords
- cavity
- shaft diameter
- roller shaft
- base
- connecting plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005553 drilling Methods 0.000 title claims abstract description 25
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 description 11
- 238000007906 compression Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/28—Drill jigs for workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a drilling device for a roller shaft diameter, which comprises a base, wherein a first cavity for penetrating an extension rod of the roller shaft diameter is arranged on one side of the base, a connecting plate is arranged at the top of the extension rod, a second cavity for placing the connecting plate is arranged on one side of the first cavity, the cross section of the first cavity is circular and the central axis of the first cavity is the same as that of the second cavity, the cross section of the first cavity is smaller than that of the second cavity, the outer wall of the second cavity is provided with a pin screw penetrating through the first bolt hole for fixing the connecting plate, a plurality of guide holes are formed in the base around the first cavity, and the guide holes are used for enabling a drill bit to penetrate through and drill a combining hole. The device convenient operation has guaranteed the accuracy of drilling position through the setting of guiding hole, and the guiding hole auxiliary stay drill bit has improved processing system rigidity, and processing is steady, has avoided the drill bit swing to hurt the face that has processed.
Description
Technical Field
The invention belongs to the technical field of manufacturing of roller shaft diameters, and particularly relates to a drilling device for a roller shaft diameter.
Background
The twenty-high rolling mill is used as a main machine for rolling stainless steel, silicon steel and high-strength metal and alloy thin strips, is important high-end equipment in the future cold-rolled strip market, and is widely applied. However, the high-precision processing requirement makes most manufacturing enterprises unable, and the manufacturing of certain parts is particularly difficult, at present, the drilling method commonly used in the manufacture of the roller shaft diameter is to directly extend a drill bit for drilling, the drill bit stretches out too long to cause poor rigidity and difficult accurate positioning, the workpiece is difficult to clamp during drilling, and the drilling of the roller shaft diameter is difficult because the workpiece is difficult to position, the hole position accuracy is difficult to ensure, and the drill bit swings to easily damage the processed surface, so that the problem to be solved is needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a drilling device for a roller shaft diameter, which has the advantages of accurate positioning, convenient operation and ensured accuracy of drilling positions.
in order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a drilling equipment of roll axle footpath, its characterized in that, includes the base, one side of base is provided with the first cavity that is used for passing the extension rod of roll axle footpath, the extension rod top is provided with the connecting plate, first cavity one side is provided with the second cavity that is used for placing the connecting plate, the cross-section of first cavity and second cavity is circular and the center pin is the same, the cross-section of first cavity is less than the cross-section of second cavity, the outer wall of second cavity is provided with first bolt hole, pass fastening screw on the first bolt hole and be used for fixed connection board, be provided with a plurality of guiding holes on the base around the first cavity, the guiding hole is used for making the drill bit pass and bore and closes the hole.
Further, a third cavity is formed in one side of the second cavity, a compression ring is arranged in the third cavity, the section of the third cavity is circular, the section of the third cavity is identical to the central axis of the second cavity, the section of the third cavity is larger than the section of the second cavity, a second bolt hole is formed in the outer wall of the third cavity, and a pin screw penetrating through the second bolt hole is used for fixing the compression ring.
Further, a limiting groove is formed in the circumference of the fixed compression ring, the limiting groove is an inner cone half-cambered surface, and the pin screw extends into the limiting groove to axially lock the compression ring.
Further, the top end of the pin screw is conical.
Further, the second bolt holes are provided with 4, and evenly distributed is at the outer wall of third cavity.
further, the bottom of the base is provided with a protrusion, and the protrusion is a clamping part.
further, the first bolt holes are provided with 1, and are positioned at the top end of the second cavity.
compared with the prior art, the invention has the following beneficial effects:
The device convenient operation has guaranteed the accuracy of drilling position through the setting of guiding hole, and the guiding hole auxiliary stay drill bit has improved processing system rigidity, and processing is steady, has avoided the drill bit swing to hurt the face that has processed.
Other features of the present invention and its advantages will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate principles of the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is an exploded view of a roll shaft diameter drilling apparatus according to the present invention;
FIG. 2 is a diagram showing the working state of a drilling device for a roll shaft diameter according to the present invention;
FIG. 3 is a side view of a roll shaft diameter drilling apparatus of the present invention;
Wherein: 1. a base; 2. the diameter of the roller shaft; 3. a compression ring; 4. a drill bit; 1.1, a first cavity; 1.2, a second cavity; 1.3, a third cavity; 1.4, pin screws; 1.5, fastening screws; 1.6, a second bolt hole; 1.7, a first bolt hole; 1.8, clamping part; 1.9, guiding holes; 2.1, connecting the plates; 2.2, closing the holes; 2.3, an extension rod; and 3.1, a limiting groove.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the invention. Rather, they are merely examples of devices that are consistent with aspects of the invention that are set forth in the following claims.
the present invention will be described in further detail below with reference to the drawings and examples for better understanding of the technical solutions of the present invention to those skilled in the art.
As shown in fig. 1-3, an embodiment of the present invention provides a drilling device for a roll shaft diameter, which comprises a base 1, wherein one side of the base 1 is provided with a first cavity 1.1 for passing through an extension rod 2.3 of the roll shaft diameter 2, the top of the extension rod 2.3 is provided with a connecting plate 2.1, one side of the first cavity 1.1 is provided with a second cavity 1.2 for placing the connecting plate 2.1, the cross section of the first cavity 1.1 and the cross section of the second cavity 1.2 are circular, the central axis is the same, the cross section of the first cavity 1.1 is smaller than the cross section of the second cavity 1.2, the outer wall of the second cavity 1.2 is provided with a plurality of guide holes 1.9 for allowing a drill bit 4 to pass through and drill a hole 2.2 are arranged on the base 1 around the first cavity 1.1 through a fastening screw 1.4. Specifically, the first bolt holes 1.7 are provided with 1 and are located at the top end of the second cavity 1.2.
Further, a third cavity 1.3 is arranged on one side of the second cavity 1.2, a compression ring 3 is arranged in the third cavity 1.3, the cross section of the third cavity 1.3 is circular, the central axis of the third cavity is identical to that of the second cavity 1.2, the cross section of the third cavity 1.3 is larger than that of the second cavity 1.2, a second bolt hole 1.6 is formed in the outer wall of the third cavity 1.3, and a pin screw 1.5 penetrating through the second bolt hole 1.6 is used for fixing the compression ring 3. Specifically, the second bolt holes 1.6 are provided with 4 and are uniformly distributed on the outer wall of the third cavity 1.3.
Specifically, a limiting groove 3.1 is formed in the circumference of the fixed compression ring 3, and the pin screw 1.5 extends into the limiting groove 3.1 to axially fix the compression ring 3.
Further, the bottom of the base 1 is provided with a protrusion, and the protrusion is a clamping part 1.8.
The base is used as a fixed main body, an extension rod of the roller shaft diameter is installed in a first cavity of a drilling device, a connecting plate at the tail end is pressed by a compression ring, four pin screws are screwed in through four second bolt holes, the top ends of the pin screws are conical, the conical surfaces of the exactly four pin screws are clamped on the four inner conical semi-cambered surfaces of the end faces of the compression ring, the roller shaft diameter can be axially locked by the four pin screws, the roller shaft diameter is radially propped up by a fastening screw, and the axial rotation of a workpiece is prevented, so that the installation and the positioning of the roller shaft diameter are completed. During drilling, the drill bit is adjusted to the guide hole of the drilling device, stable drilling is completed under the support and the guide of the guide hole, the device is convenient to operate, the accuracy of the drilling position is guaranteed through the arrangement of the guide hole, the drill bit is supported in an auxiliary mode through the guide hole, the rigidity of a processing system is improved, the processing is stable, and the phenomenon that the drill bit swings to damage a processed surface is avoided.
The foregoing is only a specific embodiment of the invention to enable those skilled in the art to understand or practice the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.
it will be understood that the invention is not limited to what has been described above and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (3)
1. The drilling device for the roller shaft diameter is characterized by comprising a base (1), wherein a first cavity (1.1) used for penetrating through the roller shaft diameter (2) is arranged on one side of the base (1), an extension rod (2.3) of the roller shaft diameter (2) penetrates through the first cavity (1.1), a connecting plate (2.1) is arranged at the top of the extension rod (2.3), a second cavity (1.2) used for placing the connecting plate (2.1) is arranged on one side of the first cavity (1.1), the cross section of the first cavity (1.1) is circular and the central shaft is the same as that of the second cavity (1.2), the cross section of the first cavity (1.1) is smaller than that of the second cavity (1.2), a first bolt hole (1.7) is formed in the outer wall of the second cavity (1.2), a fastening screw (1.4) is penetrated through the first bolt hole (1.7) and used for fixing the connecting plate (2.1), a plurality of guide holes (1.2.1) are formed in the periphery of the first cavity (1.1) and the base (1.2.1) and the third cavity (1.2) is drilled on the same as that of the third cavity (1.3) and the third cavity (1.2) is formed in the same as that of the third cavity (1.3), the cross-sectional area of third cavity (1.3) is greater than the cross-sectional area of second cavity (1.2), the outer wall of third cavity (1.3) is provided with second bolt hole (1.6), second bolt hole (1.6) are provided with 4, and evenly distributed is at the outer wall of third cavity (1.3), round pin screw (1.5) that pass on second bolt hole (1.6) are used for fixed clamping ring (3), be provided with spacing groove (3.1) on the circumference of fixed clamping ring (3), spacing groove (3.1) are the half cambered surface of interior cone, round pin screw (1.5) stretch into in spacing groove (3.1) with clamping ring (3) axial locking, the top of round pin screw (1.5) is the cone.
2. A device for drilling a roll shaft diameter according to claim 1, characterized in that the bottom of the base (1) is provided with protrusions, which are clamping parts (1.8).
3. a roll shaft diameter drilling device according to claim 1, characterized in that the first bolt holes (1.7) are provided with 1 and are located at the top end of the second cavity (1.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210304148.9A CN114888326B (en) | 2022-03-25 | 2022-03-25 | drilling device for roller shaft diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210304148.9A CN114888326B (en) | 2022-03-25 | 2022-03-25 | drilling device for roller shaft diameter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114888326A CN114888326A (en) | 2022-08-12 |
| CN114888326B true CN114888326B (en) | 2024-03-26 |
Family
ID=82715973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210304148.9A Active CN114888326B (en) | 2022-03-25 | 2022-03-25 | drilling device for roller shaft diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114888326B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202137403U (en) * | 2011-05-25 | 2012-02-08 | 西安理工大学 | Processing device of multi-row-distributed small-diameter deep holes of lath-like parts |
| CN209754069U (en) * | 2019-01-26 | 2019-12-10 | 无锡市晟斐机械设备制造有限公司 | Positioning and punching device for central hole of roller shaft |
| CN210731080U (en) * | 2019-09-27 | 2020-06-12 | 江苏环宇冶金科技有限公司 | Center drilling device for steel roller |
| KR102171942B1 (en) * | 2020-04-10 | 2020-10-30 | (주)대원하이테크 | Large diameter roll inner diameter boring device |
| CN212577566U (en) * | 2020-07-03 | 2021-02-23 | 苏州中佳精密机械有限公司 | Drilling tool |
| CN215545077U (en) * | 2020-07-09 | 2022-01-18 | 天津科威拓机械零部件科技有限公司 | A puncher for roll processing |
-
2022
- 2022-03-25 CN CN202210304148.9A patent/CN114888326B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202137403U (en) * | 2011-05-25 | 2012-02-08 | 西安理工大学 | Processing device of multi-row-distributed small-diameter deep holes of lath-like parts |
| CN209754069U (en) * | 2019-01-26 | 2019-12-10 | 无锡市晟斐机械设备制造有限公司 | Positioning and punching device for central hole of roller shaft |
| CN210731080U (en) * | 2019-09-27 | 2020-06-12 | 江苏环宇冶金科技有限公司 | Center drilling device for steel roller |
| KR102171942B1 (en) * | 2020-04-10 | 2020-10-30 | (주)대원하이테크 | Large diameter roll inner diameter boring device |
| CN212577566U (en) * | 2020-07-03 | 2021-02-23 | 苏州中佳精密机械有限公司 | Drilling tool |
| CN215545077U (en) * | 2020-07-09 | 2022-01-18 | 天津科威拓机械零部件科技有限公司 | A puncher for roll processing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114888326A (en) | 2022-08-12 |
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