CN112453459B - Circumferential drilling device and method for positioning different shaft shoulders of step shaft - Google Patents
Circumferential drilling device and method for positioning different shaft shoulders of step shaft Download PDFInfo
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- CN112453459B CN112453459B CN202011275382.0A CN202011275382A CN112453459B CN 112453459 B CN112453459 B CN 112453459B CN 202011275382 A CN202011275382 A CN 202011275382A CN 112453459 B CN112453459 B CN 112453459B
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- positioning
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B35/00—Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods
-
- 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
- B23B49/02—Boring templates or bushings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention belongs to the design technology of a drilling clamp, and relates to a circumferential drilling device for positioning different shaft shoulders of a step shaft. The invention relates to a circumferential drilling device for positioning different shaft shoulders of a step shaft, which comprises a clamp body, a pressing block, a movable positioning block and a positioning block. The clamp body is of a plate-shaped structure with a cross-shaped groove in the middle, the movable positioning block is of a hollow structure, one end of the top of the movable positioning block is provided with a guide hole, and the other end of the movable positioning block is provided with a pressing inclined plane; the positioning block is of a hollow structure and is matched with the outer diameter of a processing shaft at the position where the positioning block is installed. The clamp comprises a clamp body, a clamping block and a movable positioning block, wherein the clamping block is arranged in the clamp body, the clamping block is arranged in the cross groove of the clamp body, a clamping hole is formed in the middle of the clamping block, the clamping block is arranged in the longitudinal groove of the cross groove and is provided with an inclined clamping surface, and the inclined clamping surface is matched with a clamping inclined surface of the movable positioning block. The device of the invention can quickly realize the positioning, drilling guiding and pressing of different shaft shoulders through the two positioning blocks, the pressing of the inclined plane is stable and reliable, and the positioning, pressing and part taking and placing are convenient and quick.
Description
Technical Field
The invention belongs to the design technology of a drilling clamp, and relates to a circumferential drilling device for positioning different shaft shoulders of a step shaft.
Background
Please refer to fig. 1, which is a schematic structural diagram of a machined stepped shaft. The step axle that should process has the step of different diameters to constitute, and need process the round hole of different pitch-row on the step. Because the round holes to be drilled on the step shafts are positioned on different steps and the sizes of the shafts are different, the standard of the drill jig is difficult to confirm.
In the past, the hole distance is given by once positioning, and if a multi-hole drill jig with non-unique size reference and positioning reference is met, a plurality of drill jigs are generally designed to be respectively realized, so that the method is not economical and time-consuming.
Disclosure of Invention
The purpose of the invention is as follows: the circumferential drilling device for positioning the step shaft by different shaft shoulders is simple in structure, high in drilling precision and convenient to operate.
The technical scheme of the invention is as follows: a circumferential drilling device for positioning different shaft shoulders of a stepped shaft comprises a clamp body 1, a pressing block 2, a movable positioning block 4 and a positioning block 5, wherein the clamp body 1 is of a plate-shaped structure with a cross-shaped groove in the middle, a plurality of through holes are formed in the axial middle of the cross-shaped groove, a plurality of through holes are further formed in two sides of the rear end of an axis, the movable positioning block is of a hollow structure and can be matched with the outer diameter of a processing shaft, a guide hole is formed in one end of the top of the movable positioning block, and a pressing inclined plane is formed in the other end of the movable positioning block; the positioning block is of a hollow structure and is matched with the outer diameter of a processing shaft at the position where the positioning block is installed, and a guide hole, an installation hole and a positioning hole are formed in the top of the positioning block; the pressing block consists of 2 transverse supporting parts and a pressing part, wherein the transverse supporting parts are arranged in transverse grooves of a cross groove of the fixture body, pressing holes are formed in the middles of the transverse supporting parts, the pressing parts are positioned in longitudinal grooves of the cross groove and are provided with inclined pressing surfaces, and the inclined pressing surfaces are matched with pressing inclined surfaces of the movable positioning blocks.
The inclination angle of the inclined pressing surface of the pressing block is 30-60 degrees.
And the position of the shaft shoulder of the guide hole of the movable positioning block 4 is consistent with the position of the shaft shoulder of the hole to be processed of the step shaft.
And the shaft shoulder position of the guide hole of the positioning block 5 is consistent with the shaft shoulder position of the hole to be processed of the step shaft.
And a fixing screw is arranged at the mounting hole at the top of the positioning block 5, a positioning pin is arranged in the positioning hole, and the mounting hole and the positioning hole are arranged on two sides of the longitudinal axis of the clamp body in pairs.
A method for drilling a hole on the basis of a circumferential drilling device for positioning different shaft shoulders of a step shaft comprises the steps of firstly adding one end of a base shaft of a table to be machined into a positioning hole of a movable positioning block 4, longitudinally inserting the other end of the base shaft into a positioning hole of a positioning block 5 along a cross-shaped groove of a fixture body, installing a transverse supporting part of a pressing block in a transverse groove of the fixture body, enabling an inclined pressing surface to be attached to a pressing inclined surface of the movable positioning block 4, then locking a pressing screw of the pressing block, realizing the positioning and pressing of the machining shaft, and conducting guiding drilling on the machining shaft through guide holes in the movable positioning block 4 and the positioning block 5.
Drilling of different positions of the processing shaft is realized by replacing the movable positioning blocks 4 and the positioning blocks 5 with different shaft shoulder sizes.
Through the rotation processing axle to after rotatory suitable angle, fix a position again, realize the circumference drilling to same shaft shoulder position department.
The invention has the beneficial effects that: the circumferential drilling device for positioning different shaft shoulders of the step shaft quickly realizes positioning, drilling guiding and pressing of different shaft shoulders through the two positioning blocks (provided with the movable positioning block), the inclined plane is stably and reliably pressed, the positioning, pressing and part taking and placing are convenient and quick, accurate drilling of circular holes with the hole diameters of 1-6 mm can be realized, the clamp is simple in structure, economical and convenient to use, and the production efficiency is greatly improved.
Drawings
FIG. 1 is a schematic view of a structure of a stepped shaft to be machined;
FIG. 2 is a schematic structural view of the circular drilling device for positioning different shoulders of the stepped shaft according to the present invention;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a front view of the clamp body;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a front view of the compact;
FIG. 7 is a left side view of FIG. 6;
FIG. 8 is a front view of the movable locating block;
FIG. 9 is a top view of FIG. 8;
FIG. 10 is a front view of the locating block;
figure 11 is a top view of figure 10,
wherein, 1-the fixture body, 2-the compact heap, 3-the socket head cap screw, 4-the activity locating piece, 5-the locating piece, 6-the locating pin, 7-the socket head cap screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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. 2 and 3, the circumferential drilling device for positioning different shoulders of a stepped shaft of the present invention includes a fixture body 1, a pressing block 2, a socket cap screw 3, a movable positioning block 4, a positioning block 5, a positioning pin 6, and a socket cap screw 7.
Referring to fig. 4 and 5, the fixture body 1 is a plate-shaped structure with a cross-shaped groove in the middle, and the axial middle of the cross-shaped groove is provided with a plurality of through holes, two material leaking holes corresponding to drilling positions respectively, and bolt holes for installing the pressing blocks, and two sides of the rear end of the axis are also provided with 3 rows of through holes, wherein two ends are threaded holes, and the middle is a positioning hole.
Referring to fig. 6 and 7, the pressing block 2 is composed of a transverse support part and a pressing part, wherein the transverse support part is larger than the longitudinal axis of the cross groove, is installed in the transverse groove of the cross groove of the fixture body and is restrained by the transverse groove, a pressing hole is arranged in the middle of the transverse support part, the pressing part is located in the longitudinal groove of the cross groove and is provided with an inclined pressing surface, the inclined pressing surface is matched with the pressing inclined surface of the movable positioning block, and the pressing part can be pressed through the inclined pressing surface under the rotary pressing of the pressing bolt.
The inclination angle of the inclined pressing surface of the pressing block is 30-60 degrees, so that the parts can be effectively pressed and fixed according to different part implementation conditions.
Referring to fig. 8 and 9, the movable positioning block is a hollow structure, can be matched with the outer diameter of the processing shaft, can be sleeved on a shaft shoulder of the processing shaft, and has a guide hole at one end of the top thereof for guiding the drilling, and a pressing inclined surface at the other end thereof corresponding to the inclined pressing surface of the pressing block.
Referring to fig. 10 and 11, the positioning block is a hollow structure, and is matched with the outer diameter of the processing shaft where the positioning block is installed, and the top of the positioning block is provided with a guide hole, an installation hole and a positioning hole, which correspond to the through holes on the longitudinal grooves of the fixture body respectively. And fixing screws are arranged at the mounting holes at the tops of the positioning blocks 5, positioning pins are arranged in the positioning holes, and the mounting holes and the positioning holes are arranged on two sides of the longitudinal axis of the clamp body in pairs so as to be fixed reliably.
The shaft shoulder position of the guide hole of the movable positioning block 4 is consistent with the shaft shoulder position of the hole to be machined in the step shaft, and the shaft shoulder position of the guide hole of the positioning block 5 is consistent with the shaft shoulder position of the hole to be machined in the step shaft, so that the machining shaft can be guided to be precisely drilled.
The drilling method of the invention is given below based on the circumferential drilling device for positioning the different shoulders of the step shaft, and during operation: one end of a shaft to be processed is added into a positioning hole of a movable positioning block 4, the other end of the shaft is inserted into a positioning hole of a positioning block 5 along the longitudinal direction of a cross-shaped groove of the fixture body, so that the processing shaft is installed in a longitudinal groove of the fixture body; then, a transverse supporting part of the pressing block is arranged in a transverse groove of the clamp body, the inclined pressing surface is attached to the pressing inclined surface of the movable positioning block 4, and then a pressing screw of the pressing block is locked to realize the positioning and pressing of the processing shaft; and the guide drilling is carried out on the machining shaft through the guide holes on the movable positioning block 4 and the positioning block 5. The discharge of the drill hole is led out from the discharge hole below the drill hole.
The invention can be further improved according to the actual situation, and the drilling of different shaft shoulder positions of the processing shaft can be realized by replacing the movable positioning blocks 4 and the positioning blocks 5 with different shaft shoulder sizes.
In addition, the machining shaft is rotated, and after the machining shaft is rotated by a proper angle, the machining shaft is repositioned and fixed, so that circumferential drilling at the same shaft shoulder position is realized, and annular drilling for positioning the shaft shoulder of the machining shaft is realized.
The foregoing is merely a detailed description of the embodiments of the present invention, and some of the conventional techniques are not detailed. The scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention. The protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A circumferential drilling device for positioning different shaft shoulders of a step shaft is characterized by comprising a clamp body [1], a pressing block [2], a movable positioning block [4] and a positioning block [5], wherein the clamp body [1] is of a plate-shaped structure with a cross-shaped groove in the middle, a plurality of through holes are formed in the middle of the cross-shaped groove in the axial direction, a plurality of through holes are further formed in two sides of the rear end of an axis, the movable positioning block is of a hollow structure and can be matched with the outer diameter of the step shaft, a guide hole is formed in one end of the top of the movable positioning block, and a pressing inclined plane is formed in the other end of the movable positioning block; the positioning block is of a hollow structure and is matched with the outer diameter of the step shaft at the position where the positioning block is installed, and a guide hole, an installation hole and a positioning hole are formed in the top of the positioning block; the pressing block [2] consists of a transverse supporting part and a pressing part, wherein the transverse supporting part is arranged in a transverse groove of a cross-shaped groove of the fixture body, a pressing hole is arranged in the middle of the transverse supporting part, the pressing part is positioned in a longitudinal groove of the cross-shaped groove and is provided with an inclined pressing surface, and the inclined pressing surface is matched with a pressing inclined surface of the movable positioning block.
2. A circumferential drilling device with different shoulder positioning of step shafts as claimed in claim 1, characterized in that the inclined pressing surface of the pressing block has an inclination angle of 30-60 °.
3. The circumferential drilling device for positioning different shaft shoulders of the stepped shaft as claimed in claim 1, wherein the position of the shaft shoulder of the guide hole of the movable positioning block [4] is consistent with the position of the shaft shoulder of the hole to be processed of the stepped shaft.
4. The circumferential drilling device for positioning different shoulders of the stepped shaft as claimed in claim 1, wherein the position of the shaft shoulder of the guide hole of the positioning block [5] is consistent with the position of the shaft shoulder of the hole to be processed of the stepped shaft.
5. The circumferential drilling device for positioning different shoulders of a stepped shaft according to claim 1, wherein a fixing screw is mounted at the mounting hole at the top of the positioning block [5], a positioning pin is arranged in the positioning hole, and the mounting hole and the positioning hole are arranged in pairs at two sides of the longitudinal axis of the clamp body.
6. A method for drilling holes on the basis of the circumferential drilling device for positioning different shaft shoulders of the stepped shaft according to any one of claims 1 to 5, which is characterized in that one end of the stepped shaft to be machined is firstly added into a positioning hole of a movable positioning block [4], the other end of the stepped shaft is inserted into the positioning hole of the positioning block [5] along the longitudinal direction of a cross-shaped groove of a clamp body, a transverse supporting part of a pressing block is arranged in a transverse groove of the clamp body, an inclined pressing surface is attached to a pressing inclined surface of the movable positioning block [4], then a pressing screw of the pressing block is locked, positioning and pressing of the stepped shaft are realized, and the stepped shaft is guided and drilled through guide holes in the movable positioning block [4] and the positioning block [5 ];
through the step shaft of the rotary table, after rotating for a proper angle, the drill bit is repositioned and fixed, and circumferential drilling at the same shaft shoulder position is realized.
7. The method according to claim 6, characterized in that the drilling of the different positions of the stepped shaft is realized by replacing the movable positioning blocks [4], [5] with different shoulder sizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011275382.0A CN112453459B (en) | 2020-11-13 | 2020-11-13 | Circumferential drilling device and method for positioning different shaft shoulders of step shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011275382.0A CN112453459B (en) | 2020-11-13 | 2020-11-13 | Circumferential drilling device and method for positioning different shaft shoulders of step shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112453459A CN112453459A (en) | 2021-03-09 |
| CN112453459B true CN112453459B (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011275382.0A Active CN112453459B (en) | 2020-11-13 | 2020-11-13 | Circumferential drilling device and method for positioning different shaft shoulders of step shaft |
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| Country | Link |
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| CN (1) | CN112453459B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2408471A (en) * | 2003-11-28 | 2005-06-01 | Bernard George Ryder | Jigs to form a keyway in a shaft and in a hole side-wall |
| CN203304912U (en) * | 2013-04-10 | 2013-11-27 | 浙江双环传动机械股份有限公司 | Radial drilling mold for shaft class components |
| CN204248036U (en) * | 2014-11-22 | 2015-04-08 | 重庆鸿磐机械配件有限公司 | Slender axles boring grab |
| CN206677246U (en) * | 2017-03-03 | 2017-11-28 | 天津职业技术师范大学 | Outer circle surface of shaft part is bored and is mutually perpendicular to hole special fixture |
| CN111390216A (en) * | 2020-03-26 | 2020-07-10 | 中船澄西船舶修造有限公司 | High-precision machining method for double-head cross hole in bolt shaft |
-
2020
- 2020-11-13 CN CN202011275382.0A patent/CN112453459B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2408471A (en) * | 2003-11-28 | 2005-06-01 | Bernard George Ryder | Jigs to form a keyway in a shaft and in a hole side-wall |
| CN203304912U (en) * | 2013-04-10 | 2013-11-27 | 浙江双环传动机械股份有限公司 | Radial drilling mold for shaft class components |
| CN204248036U (en) * | 2014-11-22 | 2015-04-08 | 重庆鸿磐机械配件有限公司 | Slender axles boring grab |
| CN206677246U (en) * | 2017-03-03 | 2017-11-28 | 天津职业技术师范大学 | Outer circle surface of shaft part is bored and is mutually perpendicular to hole special fixture |
| CN111390216A (en) * | 2020-03-26 | 2020-07-10 | 中船澄西船舶修造有限公司 | High-precision machining method for double-head cross hole in bolt shaft |
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| Publication number | Publication date |
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| CN112453459A (en) | 2021-03-09 |
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