CN114888326A - Drilling device for roll shaft diameter - Google Patents
Drilling device for roll shaft diameter Download PDFInfo
- Publication number
- CN114888326A CN114888326A CN202210304148.9A CN202210304148A CN114888326A CN 114888326 A CN114888326 A CN 114888326A CN 202210304148 A CN202210304148 A CN 202210304148A CN 114888326 A CN114888326 A CN 114888326A
- Authority
- CN
- China
- Prior art keywords
- cavity
- drilling device
- shaft diameter
- base
- roll shaft
- 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.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 29
- 230000000149 penetrating effect Effects 0.000 claims abstract 3
- 238000003825 pressing Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 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
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Images
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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a drilling device for the diameter of a roller shaft, which comprises a base, wherein a first cavity for penetrating through an extension rod of the diameter of the roller shaft 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 sections of the first cavity and the second cavity are circular, the central axes of the first cavity and the second cavity are the same, 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 plurality of guide holes, pin screws penetrate through the first bolt holes and are used for fixing the connecting plate, and the base around the first cavity is provided with a plurality of guide holes which are used for enabling a drill bit to penetrate through and drill a hole to be combined. 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 the system rigidity of processing, and processing is steady, has avoided the drill bit swing to hurt the machined face.
Description
Technical Field
The invention belongs to the technical field of roller shaft diameter manufacturing, and particularly relates to a drilling device for a roller shaft diameter.
Background
The twenty-high roll mill is used as a main machine type for rolling stainless steel, silicon steel and high-strength metal and alloy thin strips, is an important high-end device in the market of cold-rolled strips in the future, and is widely applied. However, the requirement of high-precision machining makes most manufacturing enterprises be unable to do all, and the manufacturing of some parts is particularly difficult, at present, the drilling method commonly used in the manufacturing of the roll shaft diameter is to directly extend a drill bit for drilling, the drill bit extends too far, so that the rigidity is poor, the accurate positioning is difficult, a workpiece is difficult to clamp during drilling, and the problem to be solved is urgent because the workpiece is difficult to position, the hole position accuracy is difficult to maintain, and the drill bit is easy to damage a machined surface due to swinging.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the roller shaft diameter drilling device which is accurate in positioning, convenient to operate and capable of ensuring the accuracy of a drilling position.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a drilling equipment in roll diameter of axle, 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 in roll diameter of axle, 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 sectional area of first cavity is less than the sectional area of second cavity, the outer wall of second cavity is provided with first bolt hole, it is used for fixed connection board to pass fastening screw on the first bolt hole, 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 out and close the hole.
Further, second cavity one side is provided with the third cavity, be used for placing the clamping ring in the third cavity, the cross-section of third cavity is circular, the third cavity is the same with the center pin of second cavity, the sectional area of third cavity is greater than the sectional area of second cavity, the outer wall of third cavity is provided with the second bolt hole, the round pin screw that passes on the second bolt hole is used for fixed clamping ring.
Furthermore, a limiting groove is formed in the circumference of the fixed pressing ring, the limiting groove is an inner cone semi-arc surface, and the pin screw extends into the limiting groove to axially lock the pressing ring.
Further, the top end of the pin screw is conical.
Further, the second bolt hole is provided with 4, and evenly distributed is at the outer wall of third cavity.
Further, the bottom of the base is provided with a bulge, and the bulge is a clamping part.
Further, the first bolt hole is provided with 1, and is located the top of 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 the system rigidity of processing, and processing is steady, has avoided the drill bit swing to hurt the machined face.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments 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 present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is an exploded view of a roll axis diameter drilling apparatus according to the present invention;
FIG. 2 is a view showing the working state of a drilling device for the diameter of a roll shaft according to the present invention;
FIG. 3 is a side view of a roll axis diameter drilling apparatus of the present invention;
wherein: 1. a base; 2. roll diameter; 3. pressing a 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, a clamping part; 1.9, a guide hole; 2.1, connecting plates; 2.2, combining the holes; 2.3, an extension rod; 3.1, a limit groove.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the appended claims.
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and examples.
As shown in fig. 1 to 3, an embodiment of the present invention provides a drilling device for a roll axis diameter, including a base 1, a first cavity 1.1 for passing through an extension rod 2.3 of the roll axis diameter 2 is provided at one side of the base 1, a connection plate 2.1 is provided at the top of the extension rod 2.3, a second cavity 1.2 for placing the connection plate 2.1 is provided at one side of the first cavity 1.1, the cross sections of the first cavity 1.1 and the second cavity 1.2 are circular and have the same central axis, the cross section of the first cavity 1.1 is smaller than that 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, the guide holes 1.9 are used for passing a drill bit 4 and drilling a combination hole 2.2 through the first bolt hole 1.7 for passing through a fastening screw 1.4 to fix the connection plate 2.1, the base 1 around the first cavity 1.1 is provided with a plurality of guide holes 1.9. Specifically, the number of the first bolt holes 1.7 is 1, and the first bolt holes are located at the top end of the second cavity 1.2.
Further, second cavity 1.2 one side is provided with third cavity 1.3, be used for placing clamping ring 3 in the third cavity 1.3, the cross-section of third cavity 1.3 is circular, the third cavity is the same with the center pin of second cavity 1.2, the sectional area of third cavity 1.3 is greater than the sectional area of second cavity 1.2, the outer wall of third cavity 1.3 is provided with second bolt hole 1.6, the round pin screw 1.5 that passes on the second bolt hole 1.6 is used for fixed clamping ring 3. Specifically, the number of the second bolt holes 1.6 is 4, and the second bolt holes are uniformly distributed on the outer wall of the third cavity 1.3.
Specifically, be provided with spacing groove 3.1 on the circumference of fixed clamping ring 3, round pin screw 1.5 stretches into spacing groove 3.1 with clamping ring 3 axial fixity.
Further, the bottom of the base 1 is provided with a bulge, and the bulge is a clamping part 1.8.
The base is used as a fixing main body, an extension rod of the roll shaft diameter is installed in a first cavity of the drilling device, the tail end connecting plate is pressed by the pressing ring, the four pin screws are screwed in through the four second bolt holes, the top ends of the pin screws are conical, just in time, conical surfaces of the four pin screws are clamped on four inner cone semi-arc surfaces of the end face of the pressing ring, the roll shaft diameter can be axially locked by the four pin screws, the roll shaft diameter is radially pressed against by the fastening screws, the workpiece is prevented from axially rotating, and therefore installation and positioning of the roll shaft diameter are completed. During drilling, the drill bit is adjusted into 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 machining system is improved, machining is stable, and the situation that the machined surface is damaged by the swing of the drill bit is avoided.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present 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 is to be understood that the present 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 (7)
1. The drilling device for the roll shaft diameter is characterized by comprising a base (1), wherein a first cavity (1.1) for penetrating through the roll shaft diameter (2) is formed in one side of the base (1), an extension rod (2.3) of the roll 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) for placing the connecting plate (2.1) is formed in one side of the first cavity (1.1), the cross sections of the first cavity (1.1) and the second cavity (1.2) are circular and the central axes of the first cavity and the second cavity are the same, 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) penetrates through the first bolt hole (1.7) and is used for fixing the connecting plate (2.1), and a plurality of guide holes (1.9) are formed in the base (1) around the first cavity (1.1), the guide hole (1.9) is used for enabling the drill bit (4) to penetrate through and drill the handle hole (2.2).
2. The drilling device for the roll shaft diameter according to claim 1, characterized in that a third cavity (1.3) is arranged on one side of the second cavity (1.2), a pressure ring (3) is arranged in the third cavity (1.3), the section of the third cavity (1.3) is circular, the third cavity and the second cavity (1.2) have the same central axis, the sectional area of the third cavity (1.3) is larger than that of the second cavity (1.2), a second bolt hole (1.6) is arranged on 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 pressure ring (3).
3. The drilling device for the roll shaft diameter according to claim 2, characterized in that a limiting groove (3.1) is formed in the circumference of the fixed pressing ring (3), the limiting groove (3.1) is an inner-cone semi-arc surface, and the pin screw (1.5) extends into the limiting groove (3.1) to axially lock the pressing ring (3).
4. A roll diameter drilling device according to claim 3, characterized in that the tip of the pin screw (1.5) is conical.
5. A roll diameter drilling device according to claim 2, characterized in that the number of the second bolt holes (1.6) is 4 and is evenly distributed on the outer wall of the third cavity (1.3).
6. The drilling device for the shaft diameter of the roller is characterized in that the bottom of the base (1) is provided with a protrusion, and the protrusion is a clamping part (1.8).
7. A roll diameter drilling device according to claim 1, characterized in that the number of the first bolt holes (1.7) is 1, and the first bolt holes 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 true CN114888326A (en) | 2022-08-12 |
| CN114888326B 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 |
|---|---|
| CN114888326B (en) | 2024-03-26 |
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