CN114029530A - Processing clamp for circumferential inclined holes of measuring surface - Google Patents
Processing clamp for circumferential inclined holes of measuring surface Download PDFInfo
- Publication number
- CN114029530A CN114029530A CN202111374936.7A CN202111374936A CN114029530A CN 114029530 A CN114029530 A CN 114029530A CN 202111374936 A CN202111374936 A CN 202111374936A CN 114029530 A CN114029530 A CN 114029530A
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- 238000003754 machining Methods 0.000 claims abstract description 24
- 238000005553 drilling Methods 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000005056 compaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Classifications
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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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention provides a circumferential inclined hole machining clamp for a plane of a circle, which comprises an angle plate, a drill plate, a positioning pin, a pin shaft, a fastening screw and a pressing cushion block. The invention has simple structure, reliable clamping and positioning, easy manufacture and easy use, realizes the conversion from the original five-axis machining center to the traditional drilling machine machining, saves the machining cost, solves the problems of long machining alignment time, low machining efficiency, bottleneck of key resources and the like, improves the working efficiency and the stability of the product during machining, and thus achieves rapidness and precision; the disassembly of the workpiece and the drill plate is quick through one-time installation, the processing time and the manual workload are reduced, and the efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of clamps for inclined hole machining, and particularly relates to a clamp for machining a circumferential inclined hole of a measuring surface of an adjusting baffle ring of a turbine pump.
Background
As shown in fig. 1, the turbo pump adjustment baffle ring is an annular workpiece with a small structural dimension, and needs to process an inclined hole with an angle on the slope surface of the top surface of the turbo pump adjustment baffle ring, the diameter of the inclined hole is small, the material of the turbo pump adjustment baffle ring is a stainless steel material, the processing performance is poor, the processing precision requirement is very strict, the processing difficulty is increased, when a direct processing mode is adopted, not only five-axis processing center equipment processing can be selected, the linkage function is utilized for processing, but also a drill bit is very easy to slip and break during processing, and then a product is scraped and touched, so that the product defect is caused, and the appearance quality of the product is influenced. And the turbine pump adjusting baffle ring has large annual demand and large processing amount, and the five-axis processing center equipment has high processing cost and low efficiency.
Disclosure of Invention
The invention aims to provide a machining clamp for machining a circumferential inclined hole of a tangential surface of an adjusting retaining ring of a turbopump, which can be used on a common drilling machine and solves the problems that five-axis machining center equipment needs to be selected, the machining cost is high, the efficiency is low, a drill bit is easy to slip and break during machining, the product defect is caused, the appearance quality of a product is influenced and the like.
The technical scheme adopted by the invention is as follows: the utility model provides a degree face circumference inclined hole adds clamping apparatus, includes angle board, bushing plate, locating pin, round pin axle, fastening screw and compresses tightly the cushion, and the work piece is placed on the angle board together equipment in the ring channel of bushing plate, the work piece terminal surface pastes in the angle board plane, the angle board is for having domatic structure, and the round pin axle inserts in the round pin shaft hole of bushing plate and angle board, compresses tightly the cushion and tightly fixes the bushing plate on the angle board with holding screw.
Preferably, the angle block is a slope surface structure with a triangular side surface, a cylindrical convex positioning shaft is processed on the slope surface, and a first pin shaft hole, a first positioning hole and a screw hole are processed on the slope surface.
Preferably, the drill plate is of a circular ring structure, a central hole of the circular ring is matched with the positioning shaft, the inner diameter and the outer diameter of the annular groove of the drill plate are matched with the inner diameter and the outer diameter of the workpiece, the thickness of the workpiece is larger than the depth of the annular groove of the drill plate, second pin shaft holes are machined in the drill plate, the number of the second pin shaft holes is the same as that of the first pin shaft holes, the positions of the second pin shaft holes are opposite to that of the first pin shaft holes, second positioning holes are machined in the annular groove, and the number and the positions of the second pin shaft holes are consistent with those of holes required by workpiece design.
The effect is as follows: the workpiece is clamped and fixed between the angle plate and the drill plate through the pressing cushion block and the fastening screw, and the second pin shaft hole and the first pin shaft hole are convenient to fix and position the drill bit and the center of the inclined hole of the workpiece.
Preferably, the first positioning hole of the angle block is an inclined hole, the central line of the first positioning hole is perpendicular to the bottom surface of the angle block, the second positioning hole of the drill plate is an inclined hole, the center of the first positioning hole of the angle block and the center of the second positioning hole of the drill plate coincide with the center of the hole of the workpiece, and the number of the second positioning holes of the drill plate is equal to the number of the holes of the workpiece.
The effect is as follows: when the drill plate is used, the drill plate and a workpiece are linked integrally, so that the positioning is facilitated, the inclined hole of the positioned workpiece is just vertical to the bottom surface of the angle plate, and the drilling efficiency is improved.
Preferably, the thickness of the workpiece is 1mm greater than the depth of the annular groove of the drill plate.
The effect is as follows: the pressing cushion blocks are convenient to press, and the relative movement of the workpiece in the annular groove of the drill plate is avoided.
Preferably, the included angle between the slope surface of the angle plate and the bottom surface is equal to the included angle between the central line of the inclined hole of the workpiece and the axis of the workpiece.
The effect is as follows: the position of the inclined hole of the workpiece is adjusted to be vertical to the horizontal plane, so that the drilling is convenient.
Preferably, the number of the second pin shaft holes and the number of the first pin shaft holes are 4, the number of the first positioning holes is 1, the first positioning holes are located under the positioning shafts, and the number of the second positioning holes is 4.
The effect is as follows: the second positioning holes are the same as the workpiece holes in number, rotate together with the first positioning holes for positioning, and are convenient to operate.
Preferably, the angle between the slope of the angle plate and the bottom surface is equal to 25 degrees 16 '± 3'.
The effect is as follows: the method is suitable for processing the inclined hole with the space angle of 50 degrees 32 +/-20'.
Preferably, the number of the compaction cushion blocks is 2, and the compaction cushion blocks are symmetrically distributed along the diameter of the drill plate.
The effect is as follows: the pressing effect is good, and the multi-time disassembly and assembly are convenient.
Preferably, the first positioning hole and the second positioning hole and the hole diameter of the workpiece are all 3 mm.
The effect is as follows: the tool is suitable for the operation of processing workpiece inclined holes with the diameters of the holes being 3mm, plays a role in guiding, and is not easy to slip and collapse during processing.
The invention has the beneficial effects that:
(1) the utility model provides a degree face circumference angle inclined hole processing's anchor clamps makes former needs five-axis machining center realize changing to traditional drilling machine processing, practices thrift the processing cost, solves processing alignment time long, machining efficiency low and key resource bottleneck scheduling problem, improves work efficiency and product stability when adding man-hour to reach rapidization, accurate.
(2) The disassembly of the workpiece and the drill plate is quick through one-time installation, the processing time and the manual workload are reduced, and the efficiency is improved.
(3) The technical scheme that this patent provided is simple, the clamping location is reliable, makes easily and easily uses.
Drawings
FIG. 1 is a schematic view of a workpiece structure;
FIG. 2 is a schematic view of an overall structure of a jig for processing circumferential inclined holes of a plane;
FIG. 3 is a schematic view of an angle plate structure;
FIG. 4 is a schematic diagram of a drill plate structure;
FIG. 5 is a cross-sectional view of a jig for machining a circumferential inclined hole of a plane.
Reference numerals: 1-an angle plate, 2-a drill plate, 3-a positioning pin, 4-a pin shaft, 5-a fastening screw, 6-a pressing cushion block, 7-a workpiece, 11-a positioning shaft, 12-a first pin shaft hole, 13-a first positioning hole, 14-a screw hole, 21-a central hole, 22-an annular groove, 23-a second pin shaft hole and 24-a second positioning hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following 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.
In this embodiment, a workpiece 7 as shown in fig. 1 is processed, the number of the inclined holes to be processed in the workpiece 7 is 4, the spatial angle of the inclined holes is 50 ° 32 '± 20', and the diameter is 3mm, wherein the spatial angle of the inclined holes is 50 ° 32 '± 20', which means that the included angle formed by the intersection of the center lines of two opposite inclined holes of the workpiece 7 is 50 ° 32 '± 20'.
As shown in fig. 2, a degree face circumference inclined hole adds clamping apparatus, including angle board 1, bushing plate 2, locating pin 3, round pin axle 4, fastening screw 5 and compress tightly cushion 6, work piece 7 is placed on angle board 1 is assembled together in bushing plate 2's ring channel 22, work piece 7 terminal surface pastes in angle board 1 plane, as shown in fig. 3, angle block 1 is the domatic structure body that the side is triangle-shaped, it has the bellied locating shaft 11 of cylinder to process on the domatic, it has first round pin shaft hole 12, first locating hole 13 and screw hole 14 to process on the domatic, first locating hole 13 of angle block 1 is the inclined hole, first locating hole 13 central line perpendicular to angle block 1's bottom surface, the quantity of first locating hole 13 is 1 and is located the locating shaft under. The pin shaft 4 is inserted into pin shaft holes of the drill plate 2 and the angle plate 1, and the drill plate 2 is fixed on the angle plate 1 through the compression cushion block 6 and the set screw 5. The number of the pressing cushion blocks 6 is 2, and the pressing cushion blocks are symmetrically distributed along the diameter of the drill plate 2.
As shown in fig. 4, the drill plate 2 is a circular ring structure, the central hole 21 of the circular ring is matched with the positioning shaft 11, the inner and outer diameter sizes of the annular groove 22 of the drill plate 2 are matched with the inner and outer diameter sizes of the workpiece 7, the thickness of the workpiece 7 is 1mm greater than the depth of the annular groove 22 of the drill plate 2, the drill plate 2 is processed with second pin shaft holes 23, the number of the second pin shaft holes 23 is 4 as same as the number of the first pin shaft holes 12, the position of the second pin shaft holes 23 is opposite to the position of the first pin shaft holes 12, the first pin shaft holes 12 are perpendicular to the slope surface of the angle plate 1, so that the pin shaft 4 can penetrate through the first pin shaft hole 12 and the second pin shaft hole 23, 4 second positioning holes 24 are processed in the annular groove 22, the second positioning holes 24 of the drill plate 2 are inclined holes, after the workpiece 7 is installed in the annular groove 22, the second positioning holes 24 coincide with the hole design positions of the workpiece 7, and the number and positions of the second positioning holes 24 are consistent with those of the holes required by the design of the workpiece 7. The centers of the first positioning holes 13 of the angle block 1 and the centers of the second positioning holes 24 of the drill plate 2 coincide with the center of the hole of the workpiece 7, and the number of the second positioning holes 24 of the drill plate 2 is equal to the number of the holes of the workpiece 7 and is 4. The first positioning hole 13 and the second positioning hole 24 and the hole diameter of the workpiece are all 3 mm.
As shown in fig. 5, the included angle between the slope surface of the angle plate 1 and the bottom surface is equal to the included angle between the central line of the inclined hole of the workpiece 7 and the axis of the workpiece 7. Namely, the included angle between the slope surface of the angle plate 1 and the bottom surface is equal to 25 degrees 16 '+/-3', and the method is suitable for processing the inclined hole with the space angle of 50 degrees 32 '+/-20'.
The use process of the clamp comprises the following steps:
in practical use, a workpiece 7 to be machined is firstly placed into the annular groove 22 of the drill plate 2, then the workpiece is assembled with the angle plate 1, the position of the drill plate 2 on the angle plate 1 is determined through the connection of the pin shaft 4, and then the compression cushion block 6 and the fastening screw 5 are used for compression and fixation. Determining the drilling position, namely a second positioning hole 24 of the drilling template 2 positioned right below the positioning column 11, then placing the whole set of fixture below a drilling machine, enabling a drill bit to be opposite to the determined drilling position for processing, after the processing of 1 hole is completed, inserting the positioning pin 3 into a first hole of the drilling template 2 connected with the workpiece 7 to determine that the drilling position is qualified, then loosening the fastening screw 5, rotating the drilling template 2 and the workpiece 7 together along the positioning shaft 11 of the angle plate 1 by using the pin shaft 4 on the drilling template 2, inserting the pin shaft 4 into a first pin shaft hole 12 of the angle plate 1 after 90-degree rotation, locking and fixing the compression cushion block 6 again through the locking screw 5, then processing a 2 nd hole, and repeating the steps to process a 3 rd hole and a 4 th hole after the processing is completed. And after all holes are machined, loosening the pressing cushion block 6, taking the drill jig plate 2 and the workpiece 7 down, replacing the new workpiece 7, and machining according to the steps.
The above description is the specific embodiment of the present invention and the technical principle applied, and any modification and equivalent transformation based on the technical solution of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a degree face circumference inclined hole adds clamping apparatus which characterized in that: including angle board (1), bushing plate (2), locating pin (3), round pin axle (4), fastening screw (5) and compress tightly cushion (6), work piece (7) are placed on angle board (1) together in ring channel (22) of bushing plate (2), work piece (7) terminal surface is pasted in angle board (1) plane, angle board (1) is for having domatic structure, and during round pin axle (4) inserted the round pin shaft hole of bushing plate (2) and angle board (1), compress tightly cushion (5) and holding screw (6) and fix bushing plate (2) on angle board (1).
2. The jig for machining the circumferential inclined hole of the tangential surface according to claim 1, wherein: the angle block (1) is of a triangular slope surface structure, a cylindrical convex positioning shaft (11) is machined on the slope surface, and a first pin shaft hole (12), a first positioning hole (13) and a screw hole (14) are machined on the slope surface.
3. The jig for machining a circumferential inclined hole of a tangential plane according to claim 2, wherein: the drilling template (2) is of a circular ring-shaped structure, a central hole (21) of a circular ring is matched with a positioning shaft (11), the inner diameter and the outer diameter of an annular groove (22) of the drilling template (2) are matched with the inner diameter and the outer diameter of a workpiece (7), the thickness of the workpiece (7) is larger than the depth of the annular groove of the drilling template (2), a second pin shaft hole (23) is machined in the drilling template (2), the number of the second pin shaft holes (23) is the same as that of the first pin shaft holes (12), the position of the second pin shaft hole (23) is opposite to that of the first pin shaft hole (12), a second positioning hole (24) is machined in the annular groove (22), and the number and the position of the holes are consistent with those of the workpiece (7) in design requirements.
4. The jig for machining a circumferential inclined hole of a tangential plane according to claim 3, wherein: the angle block is characterized in that the first positioning holes (13) of the angle block (1) are inclined holes, the center lines of the first positioning holes (13) are perpendicular to the bottom surface of the angle block (1), the second positioning holes (24) of the drill plate (2) are inclined holes, the centers of the first positioning holes (13) of the angle block (1) and the second positioning holes (24) of the drill plate (2) coincide with the hole center of the workpiece (7), and the number of the second positioning holes (24) of the drill plate (2) is equal to the number of the holes of the workpiece (7).
5. The jig for machining a circumferential inclined hole of a tangential plane according to claim 2, wherein: the thickness of the workpiece (7) is 1mm greater than the depth of the annular groove of the drill plate (2).
6. The jig for machining a circumferential inclined hole of a tangential plane according to claim 3, wherein: the included angle between the slope surface of the angle plate (1) and the bottom surface is equal to the included angle between the central line of the inclined hole of the workpiece (7) and the axis of the workpiece (7).
7. The jig for machining a circumferential inclined hole of a tangential plane according to claim 3, wherein: the number of the second pin shaft holes (23) and the number of the first pin shaft holes (12) are 4, the number of the first positioning holes (13) is 1, the first positioning holes are located under the positioning shafts (11), and the number of the second positioning holes (24) is 4.
8. The jig for machining a circumferential inclined hole of a tangential plane according to claim 6, wherein: the included angle between the slope surface of the angle plate (1) and the bottom surface is equal to 25 degrees, namely 16 '+/-3'.
9. The jig for machining the circumferential inclined hole of the tangential surface according to claim 1, wherein: the number of the pressing cushion blocks (6) is 2, and the pressing cushion blocks are symmetrically distributed along the diameter of the drill plate (2).
10. The jig for machining a circumferential inclined hole of a tangential plane according to claim 4, wherein: the diameters of the first positioning hole (13), the second positioning hole (24) and the workpiece (7) are all 3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111374936.7A CN114029530A (en) | 2021-11-19 | 2021-11-19 | Processing clamp for circumferential inclined holes of measuring surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111374936.7A CN114029530A (en) | 2021-11-19 | 2021-11-19 | Processing clamp for circumferential inclined holes of measuring surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114029530A true CN114029530A (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111374936.7A Pending CN114029530A (en) | 2021-11-19 | 2021-11-19 | Processing clamp for circumferential inclined holes of measuring surface |
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| Country | Link |
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| CN (1) | CN114029530A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850536A (en) * | 2022-04-07 | 2022-08-05 | 无锡爱邦辐射技术有限公司 | Positioning device for processing eccentric hole of gun plate of electron gun |
| CN115771043A (en) * | 2022-12-16 | 2023-03-10 | 中国航发贵州黎阳航空动力有限公司 | Quick processingequipment in back support machine casket thin inclined hole |
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| CN107081453A (en) * | 2017-05-02 | 2017-08-22 | 广西金锋汽车零部件制造有限公司 | A kind of drilling jig tool for boring Flywheel disc angle hole |
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| CN210648678U (en) * | 2019-10-14 | 2020-06-02 | 无锡博凯轻型轴承有限公司 | Bearing ring flange inclined hole punching die |
| CN210967955U (en) * | 2019-12-06 | 2020-07-10 | 苏州工业园区华西精密机械有限公司 | Equipment suitable for part inclined hole processing |
| CN112621295A (en) * | 2020-12-17 | 2021-04-09 | 贵州凯星液力传动机械有限公司 | Annular part inclined hole machining method and device |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850536A (en) * | 2022-04-07 | 2022-08-05 | 无锡爱邦辐射技术有限公司 | Positioning device for processing eccentric hole of gun plate of electron gun |
| CN115771043A (en) * | 2022-12-16 | 2023-03-10 | 中国航发贵州黎阳航空动力有限公司 | Quick processingequipment in back support machine casket thin inclined hole |
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Application publication date: 20220211 |
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| RJ01 | Rejection of invention patent application after publication |