CN113103037A - Piston pin drilling device - Google Patents
Piston pin drilling device Download PDFInfo
- Publication number
- CN113103037A CN113103037A CN202110517318.7A CN202110517318A CN113103037A CN 113103037 A CN113103037 A CN 113103037A CN 202110517318 A CN202110517318 A CN 202110517318A CN 113103037 A CN113103037 A CN 113103037A
- Authority
- CN
- China
- Prior art keywords
- hole
- workbench
- piston pin
- drill bit
- workpiece
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- 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
- 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 piston pin drilling device which comprises a workbench, wherein a first support column is arranged on the top surface of the workbench, a cross beam is arranged on the top of the first support column, a main shaft, a driving motor and a lifting structure are arranged on the cross beam, the bottom end of the main shaft is detachably connected with a drill bit, a threaded hole is formed in the top surface of the workbench in the vertical direction, the depth of the threaded hole is smaller than the thickness of the workbench, a first through hole is formed in the bottom surface of the workbench, and the first through hole is communicated with the; the bottom surface of the workbench is provided with a clamping device; the threaded hole is connected with an installation column, the center of the installation column is provided with a center hole, the center hole has the same diameter as the first through hole and is coaxially arranged, operating rods are symmetrically arranged on two sides of the installation column, the operating rods are respectively provided with a laser source, and the laser sources on the two operating rods are symmetrically arranged; the disc is installed on the drill bit, a plurality of convex rings are uniformly arranged on the bottom surface of the disc, the disc and the drill bit are coaxially arranged, and light rays emitted by each light source can irradiate one of the convex rings. The device can reduce the waste of the workpiece in the drilling process.
Description
Technical Field
The invention relates to the technical field of piston accessories, in particular to a piston pin drilling device.
Background
The piston pin is installed at the cylindrical pin of piston skirt portion for connect piston and connecting rod, and the centre of general high-quality piston pin is hollow, because the general size of piston pin is less, and the degree of difficulty is very big when the hole in processing, in case the location has deviation or drill bit installation slope, causes the drilling failure very easily, and then causes the waste of work piece, how to solve this problem, people are studying constantly.
Disclosure of Invention
The embodiment of the invention provides a piston pin drilling device, which is convenient for finding out positioning deviation or installation inclination of a drill bit.
In order to solve the problems in the background art, an embodiment of the invention provides a piston pin drilling device, which comprises a workbench, wherein a first support column is installed on the top surface of the workbench, a cross beam is installed on the top of the first support column, a main shaft, a driving motor for driving the main shaft to rotate and a lifting structure for driving the main shaft to lift are installed on the cross beam, a drill bit is detachably connected to the bottom end of the main shaft, a threaded hole is formed in the top surface of the workbench in the vertical direction, the depth of the threaded hole is smaller than the thickness of the workbench, a first through hole for a workpiece to be machined to pass through is formed in the bottom surface of the workbench, and the first through hole is communicated with the threaded hole and is coaxially arranged; the bottom surface of the workbench is provided with a clamping device for fixing a workpiece to be machined; the threaded hole is connected with an installation column, a central hole is formed in the center of the installation column, the central hole and the first through hole are same in diameter and are coaxially arranged, operation rods are symmetrically arranged on two sides of the installation shaft, laser light sources are arranged on the operation rods, and the laser light sources on the two operation rods are symmetrically arranged; install the disc on the drill bit, the bottom surface of disc uses the center of disc evenly to be provided with a plurality of bulge loops as the basic point, the disc with the drill bit is coaxial to be set up, and every light that the light source sent can shine on one of them bulge loop.
Preferably, a plurality of the convex rings are provided with coatings of different colors.
Preferably, a second supporting column is installed on the bottom surface of the workbench.
Preferably, in the use state, the height of the top surface of the workpiece to be machined is lower than that of the top surface of the central hole.
Preferably, the inner wall of the mounting column is provided with a wear-resistant coating at the top position.
Preferably, the top of the central hole is provided with an extension part extending from the inner side of the central hole, the inner side of the extension part is enclosed to form a positioning hole, and the diameter of the positioning hole is the same as that of the drill bit; the wear resistant coating is located on an inner side surface of the extension.
Preferably, the length of the central hole is greater than the length of the first through hole.
When the piston pin drilling device is used, one end of a workpiece to be machined is arranged in the central hole, the mounting column is mounted on the threaded hole, the bottom end of the workpiece to be machined penetrates through the first through hole, the two laser light sources are turned on after the bottom end of the workpiece to be machined is clamped by the clamping device, whether light spots of the two laser light sources, which irradiate a disc, are located on the same convex ring or not is observed, if the light spots are located on different convex rings, positioning deviation or installation inclination of a drill bit is indicated, positioning deviation is not indicated on the same convex ring, and the drill bit is not installed in an inclined manner, so that risks can be predicted in advance according to the observation result, and the risk can be.
The piston pin drilling device provided by the invention has the following advantages;
1. the situation that the positioning is deviated or the drill bit is installed and inclined can be known in advance by observing whether light spots irradiated on the disc by the two laser light sources are positioned on the same convex ring, so that the waste of workpieces in the drilling process is reduced;
2. limiting the workpiece to be machined on one axis through the positioning hole, the first through hole and the clamping device, so that the workpiece to be machined is ensured to be in a vertical state when being fixed;
3. when the workpiece to be machined is installed, the height of the top surface of the workpiece to be machined is lower than that of the top surface of the central hole, so that after the drill bit is contacted with the workpiece to be machined, the bottom end of the drill bit is located in the central hole and limited by the central hole, and the drill bit is not easy to deviate.
4. In the process of drilling the workpiece to be machined, the outer surface of the workpiece to be machined is limited by the inner side of the mounting column, so that the workpiece to be machined is not easy to expand outwards excessively, the original shape of the workpiece to be machined is ensured, and particularly, a mode of drilling from two ends to the middle is adopted.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and 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 and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a piston pin boring apparatus of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a schematic view of the structure of FIG. 1 with the mounting post removed;
FIG. 4 is a variant of FIG. 2;
reference numerals in the figures; the device comprises a workbench 1, a first support column 2, a cross beam 3, a main shaft 4, a driving motor 5, a drill 6, a threaded hole 7, a workpiece 8 to be machined, a first through hole 9, a clamping device 10, a central hole 11, an operating rod 12, a laser light source 13, a disc 14, a convex ring 15, a second support column 16, an extension portion 17, a positioning hole 18 and a mounting column 19.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a piston pin drilling apparatus, including a table 1, the top surface of the workbench is provided with a first supporting column 2, the bottom surface of the workbench is provided with a second supporting column 16, so that a space is reserved between the bottom surface of the workbench and the ground, the top of the first supporting column is provided with a beam 3, the beam is provided with a main shaft 4, a driving motor 5 for driving the main shaft to rotate and a lifting structure for driving the main shaft to lift, wherein, the lifting mechanism can use the existing structure, the bottom end of the main shaft is detachably connected with a drill bit 6, the top surface of the workbench is provided with a threaded hole 7 in the vertical direction, the depth of the threaded hole is less than the thickness of the workbench, a first through hole 9 for a workpiece 8 to be machined to pass through is formed in the bottom surface of the workbench, and the first through hole is communicated with the threaded hole and is coaxially arranged; the bottom surface of the workbench is provided with a clamping device 10 for fixing a workpiece to be processed, and the clamping device can use the existing device, such as a claw structure; the threaded hole is connected with an installation column 19, a central hole 11 is formed in the center of the installation column, the diameter of the central hole is approximately the same as that of the first through hole, the central hole and the first through hole are coaxially arranged, the diameter of the first through hole is slightly larger than that of a workpiece to be machined generally during machining, operation rods 12 are symmetrically arranged on two sides of the installation shaft, laser light sources 13 are arranged on the operation rods, and the laser light sources on the two operation rods are symmetrically arranged; install disc 14 on the drill bit, the bottom surface of disc uses the center of disc as the basic point and evenly is provided with a plurality of bulge loops 15, the disc with the drill bit coaxial setting, and every light that the light source sent can shine on one of them bulge loop.
When the piston pin drilling device provided by the invention is used, one end of a workpiece to be machined is arranged in the central hole, then the mounting column 19 is mounted on the threaded hole, so that the bottom end of the workpiece to be machined passes through the first through hole, after the bottom end of the workpiece to be machined is clamped by the clamping device, the two laser light sources are turned on, whether light points of the two laser light sources, which irradiate the disc, are positioned on the same convex ring or not is observed, if the light points are positioned on different convex rings, positioning deviation or installation inclination of a drill bit is shown, positioning deviation is not shown on the same convex ring, and the installation of the drill bit is not inclined, so that risks can be predicted in advance according to the observation.
The piston pin drilling device provided by the invention has the following advantages;
1. the situation that the positioning is deviated or the drill bit is installed and inclined can be known in advance by observing whether light spots irradiated on the disc by the two laser light sources are positioned on the same convex ring, so that the waste of workpieces in the drilling process is reduced;
2. limiting the workpiece to be machined on one axis through the positioning hole, the first through hole and the clamping device, so that the workpiece to be machined is ensured to be in a vertical state when being fixed;
3. when the workpiece to be machined is installed, the height of the top surface of the workpiece to be machined is lower than that of the top surface of the central hole, so that after the drill bit is contacted with the workpiece to be machined, the bottom end of the drill bit is located in the central hole and limited by the central hole, and the drill bit is not easy to deviate.
4. In the process of drilling the workpiece to be machined, the outer surface of the workpiece to be machined is limited by the inner side of the mounting column, so that the workpiece to be machined is not easy to expand outwards excessively, the original shape of the workpiece to be machined is ensured, and particularly, a mode of drilling from two ends to the middle is adopted.
In actual manufacturing, in order to distinguish the convex rings, the convex rings are provided with coatings with different colors, so that the colors displayed when the laser light source irradiates on different convex rings are different during observation and are easier to identify, and certainly, different marks, such as sequential marks, can be arranged on each convex ring so as to be distinguished.
In actual use, in order to prevent the drill bit from wearing the top of the mounting column when in operation, the inner wall of the mounting column is provided with a wear-resistant coating at the top position.
As a preferable scheme, referring to fig. 4, the top of the central hole is provided with an extension part 17 extending inside the central hole, the inner side of the extension part encloses a positioning hole 18, and the diameter of the positioning hole is approximately the same as that of the drill bit; the wear-resistant coating is positioned on the inner side surface of the extension part, and the structure has the following advantages:
1. the positioning hole is arranged, so that the drill bit is not easy to enter the positioning hole when the positioning is deviated or the drill bit is inclined, and further people know the positioning deviation or the drill bit is inclined in advance, so that the waste of workpieces in the drilling process is reduced;
2. the mode that people installed and treat the machined part is restricted: so that people can not directly install the workpiece to be processed from top to bottom, and people are prevented from fixing the workpiece to be processed after the installation of the installation column and then penetrating one end of the workpiece to be processed through the central hole and the through hole, thereby reducing the risk of jamming of the workpiece to be processed,
3. ensuring that the distance of the height of the positioning hole is kept between the installed workpiece and the top of the installation column;
4. the drill bit is matched with the drill bit, so that the deviation of the drill bit is further prevented;
5. after the machining is finished, the clamping device can be firstly loosened, the mounting column is unscrewed, and the friction force between the outer surface of the workpiece and the first through hole is overcome by virtue of the threads, so that the workpiece is lifted; then, the clamping device is screwed down, the mounting column is continuously unscrewed, and a pulling force is formed by means of the clamping device and the threads so as to overcome the friction force between the outer surface of the workpiece and the central hole; the workpiece can be conveniently taken down without other devices, and the mode is particularly suitable for the condition that the length of the central hole is greater than that of the first through hole.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. A piston pin drilling device comprises a workbench (1), wherein a first supporting column (2) is installed on the top surface of the workbench, a cross beam (3) is installed at the top of the first supporting column, a main shaft (4), a driving motor (5) for driving the main shaft to rotate and a lifting structure for driving the main shaft to lift are installed on the cross beam, a drill bit (6) is detachably connected to the bottom end of the main shaft, and the piston pin drilling device is characterized in that,
a threaded hole (7) is formed in the top surface of the workbench in the vertical direction, the depth of the threaded hole is smaller than the thickness of the workbench, a first through hole (9) for a workpiece (8) to be machined to penetrate through is formed in the bottom surface of the workbench, and the first through hole is communicated with the threaded hole and is coaxially arranged;
the bottom surface of the workbench is provided with a clamping device (10) for fixing a workpiece to be processed;
the threaded hole is connected with an installation column (19), a central hole (11) is formed in the center of the installation column, the diameter of the central hole is the same as that of the first through hole, the central hole and the first through hole are coaxially arranged, operation rods (12) are symmetrically arranged on two sides of the installation shaft, laser light sources (13) are arranged on the operation rods, and the laser light sources on the two operation rods are symmetrically arranged;
install disc (14) on the drill bit, the bottom surface of disc uses the center of disc evenly to be provided with a plurality of bulge loops (15) as the basic point, the disc with the drill bit coaxial arrangement, and every the light that the light source sent can shine on one of them bulge loop.
2. A piston pin drilling assembly as in claim 1 wherein a plurality of said collars are provided with coatings of different colors.
3. Piston pin drilling device according to claim 1, characterised in that a second support column (16) is mounted to the bottom surface of the table.
4. The piston pin drilling device according to claim 1, wherein in a use state, a top surface of the member to be machined has a lower height than a top surface of the central hole.
5. A piston pin drilling assembly according to claim 1 or 4, wherein the inner wall of the mounting post is provided with a wear resistant coating at a top location.
6. Piston pin drilling device according to claim 5, characterized in that the top of the central bore is provided with an extension (17) extending inside the central bore, the inside of the extension enclosing a positioning hole (18) having the same diameter as the drill bit;
the wear resistant coating is located on an inner side surface of the extension.
7. A piston pin drilling apparatus as in claim 6, wherein said central bore has a length greater than a length of said first through bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110517318.7A CN113103037A (en) | 2021-05-12 | 2021-05-12 | Piston pin drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110517318.7A CN113103037A (en) | 2021-05-12 | 2021-05-12 | Piston pin drilling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113103037A true CN113103037A (en) | 2021-07-13 |
Family
ID=76721993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110517318.7A Pending CN113103037A (en) | 2021-05-12 | 2021-05-12 | Piston pin drilling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113103037A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190805129A (en) * | 1908-03-06 | 1908-09-17 | August Bombicki | Improvements in and relating to Drilling Machines. |
| GB164228A (en) * | 1920-05-21 | 1921-06-09 | David William Wildy Senior | Improvements in or relating to devices for gripping or holding the work in drilling |
| US4602898A (en) * | 1983-10-27 | 1986-07-29 | Robert Wolff | Dowel drilling jig |
| CN102632274A (en) * | 2012-04-17 | 2012-08-15 | 中北大学 | Online detection and correction system for small-diameter deep-hole drilling laser guidance |
| CN203495617U (en) * | 2013-09-25 | 2014-03-26 | 贵州凯星液力传动机械有限公司 | Drilling jig of excircle surface of cylindrical workpiece |
| CN205869512U (en) * | 2016-07-28 | 2017-01-11 | 河南省高氏起重配件有限公司 | Porous drilling machine equipment with adjustable |
| CN206415663U (en) * | 2016-12-27 | 2017-08-18 | 武汉工程大学 | The vertical assistant of electric drill |
| CN207387034U (en) * | 2017-06-30 | 2018-05-22 | 湖北博英精工科技股份有限公司 | A kind of piston pin side opening cross drilling device |
| CN110947991A (en) * | 2018-09-27 | 2020-04-03 | 高邮市鑫顺机械制造有限公司 | Variable-diameter oscillating drilling machine convenient for drilling |
| CN210702943U (en) * | 2019-10-15 | 2020-06-09 | 上海莱译机械设备有限公司 | High-precision tapping machine |
| CN210997513U (en) * | 2019-09-17 | 2020-07-14 | 杭州双象汽车零部件有限公司 | Piston pin drilling clamp |
| CN211803972U (en) * | 2020-03-30 | 2020-10-30 | 余姚市华辰机械有限公司 | Pin hole forming device for piston pin |
| CN211803920U (en) * | 2019-12-09 | 2020-10-30 | 金湖县常盛动力机械配件有限公司 | Multi-station machining device for workpiece mounting holes of roller pins |
| CN112207315A (en) * | 2020-10-16 | 2021-01-12 | 梁少龙 | High-precision drilling machine for workpiece machining |
| CN212761291U (en) * | 2020-08-08 | 2021-03-23 | 常州市贝瑞轴承有限公司 | Drilling equipment is used in processing of water pump impeller |
-
2021
- 2021-05-12 CN CN202110517318.7A patent/CN113103037A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190805129A (en) * | 1908-03-06 | 1908-09-17 | August Bombicki | Improvements in and relating to Drilling Machines. |
| GB164228A (en) * | 1920-05-21 | 1921-06-09 | David William Wildy Senior | Improvements in or relating to devices for gripping or holding the work in drilling |
| US4602898A (en) * | 1983-10-27 | 1986-07-29 | Robert Wolff | Dowel drilling jig |
| CN102632274A (en) * | 2012-04-17 | 2012-08-15 | 中北大学 | Online detection and correction system for small-diameter deep-hole drilling laser guidance |
| CN203495617U (en) * | 2013-09-25 | 2014-03-26 | 贵州凯星液力传动机械有限公司 | Drilling jig of excircle surface of cylindrical workpiece |
| CN205869512U (en) * | 2016-07-28 | 2017-01-11 | 河南省高氏起重配件有限公司 | Porous drilling machine equipment with adjustable |
| CN206415663U (en) * | 2016-12-27 | 2017-08-18 | 武汉工程大学 | The vertical assistant of electric drill |
| CN207387034U (en) * | 2017-06-30 | 2018-05-22 | 湖北博英精工科技股份有限公司 | A kind of piston pin side opening cross drilling device |
| CN110947991A (en) * | 2018-09-27 | 2020-04-03 | 高邮市鑫顺机械制造有限公司 | Variable-diameter oscillating drilling machine convenient for drilling |
| CN210997513U (en) * | 2019-09-17 | 2020-07-14 | 杭州双象汽车零部件有限公司 | Piston pin drilling clamp |
| CN210702943U (en) * | 2019-10-15 | 2020-06-09 | 上海莱译机械设备有限公司 | High-precision tapping machine |
| CN211803920U (en) * | 2019-12-09 | 2020-10-30 | 金湖县常盛动力机械配件有限公司 | Multi-station machining device for workpiece mounting holes of roller pins |
| CN211803972U (en) * | 2020-03-30 | 2020-10-30 | 余姚市华辰机械有限公司 | Pin hole forming device for piston pin |
| CN212761291U (en) * | 2020-08-08 | 2021-03-23 | 常州市贝瑞轴承有限公司 | Drilling equipment is used in processing of water pump impeller |
| CN112207315A (en) * | 2020-10-16 | 2021-01-12 | 梁少龙 | High-precision drilling machine for workpiece machining |
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Application publication date: 20210713 |
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