CN105033698B - Clamp special for machining pump body of marine water-jet propulsion pump - Google Patents
Clamp special for machining pump body of marine water-jet propulsion pump Download PDFInfo
- Publication number
- CN105033698B CN105033698B CN201510475603.1A CN201510475603A CN105033698B CN 105033698 B CN105033698 B CN 105033698B CN 201510475603 A CN201510475603 A CN 201510475603A CN 105033698 B CN105033698 B CN 105033698B
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- Prior art keywords
- pump housing
- pump
- jet propulsion
- hole
- machining
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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
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a clamp special for machining a pump body of a marine water-jet propulsion pump. The clamp comprises a clamp body. The clamp body is a quadrilateral plate body. A round locating pin and an annular round groove are sequentially arranged on the clamp body from the center to the outside. A diamond locating pin with the long diameter being parallel to the tangent line of the annular round groove is arranged at the position, close to the annular round groove, of the lower left corner of the clamp body. A U-shaped hinge pedestal parallel to the right end face of the clamp body is arranged at the position, away from the annular round groove, of the upper right corner on the same diagonal line with the lower left corner of the clamp body. A turnover plate which is composed of a long plate and a short plate and has an inverted-L-shaped section is arranged in a groove of the hinge pedestal and connected with the groove in a hinged mode through a pin shaft. A threaded hole is formed in the long plate of the turnover plate, and a locating screw is mounted in the threaded hole. Pressing plates are arranged on the clamp body and are in bilateral symmetry. The clamp special for machining the pump body of the marine water-jet propulsion pump is simple in structure, high in locating precision, low in manufacturing cost, capable of rapidly clamping workpieces and convenient to operate, and greatly improves the work efficiency.
Description
Technical field
The present invention relates to a kind of pump housing clamp for machining, specifically relates to the pump housing plus working platform of a kind of Marine Water-jet Propulsion Pump
With fixture, belong to machining technology field.
Background technology
Marine Water-jet Propulsion Pump is a kind of core component of special boat propulsion plant, and its operation principle is pushed away by water spray
Enter the reaction force of current of pump ejection promoting vessel motion.Compare with conventional screw propulsion mode, with propulsion speed
Degree is fast, efficiency high, and anti-cavitation performance is strong, and vibrating noise is low, and maneuvering performance is excellent, and is suitable for shallow-water navigation increasingly by market
Pursued.
Water jet propulsion pump be for Ship Propeling service device, on the end face of the pump housing, be provided with control ship advance, after
Location hole, the installing hole of each behaviour device processed and telecontrol equipment such as move back, this some holes and pump housing installing hole have sternly on locus
The positional precision and dimension precision requirement of lattice, to meet its manipulation required precision.Additionally, one end of Pump Shaft is integrally fixed at pump
In the installing hole of body main shaft, the other end is integrally fixed in the reverse commutator shaft bearing bore being connected with the pump housing, because water pump is to pass through
The rotation of water pump vane, feedwater lifts kinetic energy, current is twist sprayed from delivery port, in order to improve water pump propulsive efficiency,
A reverse rectifier need to be connected in the delivery port of pump, acted on by reverse rectifier, the water rectification that water pump is exported is in line
State- output, the thrust for making hull acquisition bigger, therefore pump housing two ends are greatly different very for the nominal size of the installing hole of main shaft orientation
Greatly.Therefore, the processing of the pump housing processing request of water jet propulsion pump and the more common pump housing of difficulty improves a lot.
In sum, the pump housing difficulty of processing of water jet propulsion pump mainly has at 2 points：1st, pump housing two ends are the peace of main shaft orientation
Dress hole nominal size great disparity is very big, and dimensional accuracy and axiality requirement are higher；2nd, between the pump housing both ends of the surface hole positional precision
Requirement is higher, therefore difficulty of processing is big.
The content of the invention
It is an object of the invention to provide a kind of ship hydraulic jet propulsion that can be used on three shaft vertical processing center machine tools
The pump housing Special Fixture for Machining of pump and its processing method so that the design basis of product drawing and the positioning datum of fixture and product
Machining benchmark mutually unify, so as to meet pump housing two ends spindle hole concentricity requirement and other holes of pump housing two ends of water jet propulsion pump
Between spatial position precision and dimension precision requirement, overcome the pump housing difficulty of processing of water jet propulsion pump.
To reach above-mentioned purpose, the present invention is achieved by the following technical programs.
A kind of pump housing Special Fixture for Machining of Marine Water-jet Propulsion Pump, including clamp body 6, the clamp body 6 is one or four sides
Shape plate body, the clamp body 6 is outwards sequentially provided with circular annular rounded groove 62 with together with of alignment pin 7 from center, clamp body 6
The lower left corner is provided with diamond positioning pin 8 of the major diameter parallel to the tangent line of annular rounded groove 62 at the position of the annular rounded groove 62,
Put down with its right end face of clamp body 6 away from being provided with one at the position of the annular rounded groove 62 in the cornerwise upper right corner in the lower left corner of clamp body 6
Capable concave hinge seat 5, in the groove of hinge seat 5, by cutting that the chain connection of bearing pin 2 being provided with is made up of long short slab
Face is for " returning face plate 1 of " " font, on the long slab of returning face plate 1 screwed hole is provided with, and Positioning screw 3 is provided with screwed hole；It is described
Clamp body 6 is symmetrical to be provided with pressing plate 9.
Quadrangle plate body described above is square plate body or rectangle tabular body.
The inner ring 61 and outer shroud 63 of annular rounded groove 62 described above is concentric with the circular alignment pin 7, and the inner ring
61 diameter is matched with the hole A of the pump housing.
Depth of the groove depth of annular rounded groove described above 62 less than the hole A of the pump housing.
Diameter of the diameter of circular alignment pin 7 described above less than the hole C of the pump housing, the major diameter of the diamond positioning pin 8 is little
In the diameter of the hole D of the pump housing.
Phases of the hole C of relative position of the diamond positioning pin 8 away from the circular alignment pin 7 and the pump housing away from the hole D of the pump housing
It is corresponding to position.
Returning face plate described above 1 is more than 180 ° around the angle that the bearing pin 2 overturns.
Locking nut 31 is additionally provided with Positioning screw described above 3.
Hinge seat described above 5 is additionally provided with one for interting keeping away for Positioning screw 3 in the position of the correspondence Positioning screw 3
Allow hole 51.
The method for processing the pump housing using the pump housing Special Fixture for Machining of the Marine Water-jet Propulsion Pump of the present invention：
Pump housing Special Fixture for Machining is arranged on three shaft vertical digital controlled processing central machine tool workbench, returning face plate 1 is downward
Upset, makes Positioning screw 3 be parked in the lower section of rotating shaft 2, by hole A on the end face 41 of the water jet propulsion pump pump housing 4 and the inner ring of clamp body 6
61 are engaged, and the flange 43 of the pump housing 4 is close to Positioning screw 3, and pressing plate 9 compresses the flange at the end of 4 end face of the pump housing 41.The milling pump housing 4
All holes on end face 42, and processing end face 42.
After the completion of, the water jet propulsion pump pump housing 4 to be reversed end for end to install, returning face plate 1 is flipped up 180 °, is parked in Positioning screw 3
The top of rotating shaft 2, C holes and D holes on the end face 42 of the pump housing 4 is coordinated respectively with circular alignment pin 7 and diamond positioning pin 8, pressing plate 9
Compress the flange at the end of 4 end face of the pump housing 42.All holes and groove R on the processing end face 41 of the pump housing 4.
After the completion of, continue next processing.
The advantage and beneficial effect of the pump housing Special Fixture for Machining of the Marine Water-jet Propulsion Pump of the present invention：
Present configuration is simple, on quadrangle clamp body, using same positioning centre, and same secondary pressing plate, to the pump housing
Processing is installed twice in 41 faces, 42 faces, eliminates mismachining tolerance, correction error that prior art is brought using twin tong, is had
The larger holes concentricity issues of diameter great disparity on the end face of processing part two ends are solved to effect, while solving hole in both ends of the surface
Spatial position precision require, realize that the design basis of product drawing is mutually united with the machining benchmark of the positioning datum of fixture and product
One；Additionally, completing the processing of pump housing both ends of the surface using same clamp body, the manufacturing cost of fixture is also reduced；
Due to pump housing both ends of the surface structure it is asymmetric, to avoid idle keeper from interfering with the pump housing, by position block
The Positioning screw of returning face plate is designed as moving point, when the point location is not needed, it is overturn into 180 ° with returning face plate, concedes
Locus, greatly increases operating efficiency.
Description of the drawings
Fig. 1 is the pump housing stereogram (processing end face 42) of Marine Water-jet Propulsion Pump；
Fig. 2 is the pump housing stereogram (processing end face 41) of Marine Water-jet Propulsion Pump；
Fig. 3 is special fixture M-M sectional views when the pump housing processing end face 41 of Marine Water-jet Propulsion Pump is positioned；
Fig. 4 is the conjunction of special fixture M-M sections and N-N sections when the pump housing processing end face 42 of Marine Water-jet Propulsion Pump is positioned
And view；
Fig. 5 is the pump housing Special Fixture for Machining top view of the Marine Water-jet Propulsion Pump of the present invention.
Specific embodiment
To make the purpose of the present invention and technical scheme clearer, below in conjunction with accompanying drawing, to technical scheme
Conduct further description.
Those skilled in the art of the present technique are appreciated that unless otherwise defined all terms used herein are (including technology art
Language and scientific terminology) have with art of the present invention in those of ordinary skill general understanding identical meaning.
When the implication of heretofore described " left and right " refers to reader just to accompanying drawing, the left side of reader is a left side,
The right of reader is the right side, rather than the specific restriction to the present invention.
The implication of heretofore described " upper and lower " is referred to:When reader is just to accompanying drawing, the upper of reader is,
Reader it is lower be under, rather than to the present invention specific restriction.
It can also pass through between part that the implication of heretofore described " connection " can be being directly connected between part
Other parts are indirectly connected with.
As shown in Figure 1, 2, be Marine Water-jet Propulsion Pump to be processed the pump housing 4 stereogram.In FIG, A holes and C holes
With one heart, and center line is vertical with face 42；In fig. 2, A holes are big spindle hole, and C holes are primary spindle hole, and D holes position to manipulate oil cylinder
Installing hole, H be installation direction control stick bearing screwed hole, F be diesel coolant water pipe threading hole, E be pump housing installing hole, G
Screwed hole is installed for spindle bearing holder.
It is special fixture M-M sectional views when the processing end face 41 of the pump housing 4 of Marine Water-jet Propulsion Pump is positioned shown in Fig. 3；In figure
In 3, P is connecting hole, and keeps relative position, the center of R arcs to keep concentric with F holes in Fig. 2 with G holes in Fig. 2.
It is a kind of pump housing Special Fixture for Machining of Marine Water-jet Propulsion Pump of the present invention as shown in Fig. 3, Fig. 4, Fig. 5, including
Clamp body 6, the clamp body 6 is a rectangle tabular body, and the clamp body 6 is outwards sequentially provided with a circular alignment pin from center
7 with together with annular rounded groove 62, the lower left corner of clamp body 6 is provided with a major diameter parallel to annular at the position of the annular rounded groove 62
The diamond positioning pin 8 of the tangent line of circular groove 62, at the cornerwise upper right corner in the lower left corner of clamp body 6 is away from the position of the annular rounded groove 62
A concave hinge seat 5 parallel with its right end face of clamp body 6 is provided with, in the groove of hinge seat 5, by the bearing pin being provided with
The section that 2 chain connections are made up of long short slab is for " returning face plate 1 of " " font is provided with a screwed hole, spiral shell on the long slab of returning face plate 1
Positioning screw 3 is installed in pit；The clamp body 6 is symmetrical to be provided with pressing plate 9.Wherein, described annular rounded groove 62 it is interior
Ring 61 and outer shroud 63 are concentric with the circular alignment pin 7, and the diameter of the inner ring 61 is matched with the hole A of the pump housing；The annular
Depth of the groove depth of circular groove 62 less than the hole A of the pump housing；Diameter of the diameter of the circular alignment pin 7 less than the hole C of the pump housing, it is described
Diameter of the major diameter of diamond positioning pin 8 less than the hole D of the pump housing；Relative position of the diamond positioning pin 8 away from the circular alignment pin 7
The relative position put with the hole C of the pump housing away from the hole D of the pump housing is corresponding；The returning face plate 1 is big around the angle that the bearing pin 2 overturns
In 180 °；Locking nut 31 is additionally provided with the Positioning screw 3；The hinge seat 5 in the position of the correspondence Positioning screw 3 also
Being provided with one is used to intert the avoidance hole 51 of Positioning screw 3.
The method for processing the pump housing using the pump housing Special Fixture for Machining of the Marine Water-jet Propulsion Pump of the present invention, including following step
Suddenly：
1st, special fixture is arranged on three shaft vertical digital controlled processing central machine tool workbench, returning face plate 1 is downwardly turned over,
Positioning screw 3 is set to be parked in the lower section of rotating shaft 2, by the phase of inner ring 61 of hole A on the end face 41 of the water jet propulsion pump pump housing 4 and clamp body 6
Coordinate, the flange 43 of the pump housing 4 is close to Positioning screw 3, and pressing plate 9 compresses the flange at the end of 4 end face of the pump housing 41.
2nd, the face of 4 end face of the pump housing 42 is processed, including：
A, end face milling 42；
B, 6 F holes of brill, brill is attacked 4 screwed hole C, bores F, D, H bottom hole hole；
C, heavy boring C, F, D, H holes,
D), right boring C, F, D holes,
E, attack H screwed hole screw threads；
3rd, the water jet propulsion pump pump housing 4 is reversed end for end to install, returning face plate 1 is flipped up into 180 °, make Positioning screw 3 be parked in rotating shaft
2 top, C holes and D holes on the end face 42 of the pump housing 4 are coordinated respectively with circular alignment pin 7 and diamond positioning pin 8, and pressing plate 9 is compressed
The flange at the end of 4 end face of the pump housing 42.
4th, the face of 4 end face of the pump housing 41 is processed, including：
A, brill attack 4 screwed hole P；
B, groove milling R.
5th, complete the pump housing 4 to process.
Wherein step 2, the end face milling 42 described in a, when rough milling, it is that rotating speed is that its machined parameters is selected：550～650r/
Min, cutting depth is：3.0～4.0mm, feed is：0.15～0.25mm/r；Last time reaches height dimension precision
During finish-milling, its rotating speed is：1000～1200r/min, cutting depth is：0.15～0.25mm, feed is：0.08～
0.10mm/r；It is using cutter：Vertical wire rod quality, cutter diameter is 125 millimeters, and cutter material is：Hard alloy.
Step 2, heavy boring described in C, it is that rotating speed is that its machined parameters is selected：350～450r/min, cutting depth is：1.50
～2.50mm, feed is：0.15～0.25mm/r；It is using cutter：Adjustable boring cutter, tool cutting edge angle is：74～76 °, anterior angle
For：8～10 ° of tool arc R are：0.25mm, cutter material is：High-speed steel；Coolant is：SSGP850B water-soluble metalworking liquids.
Step 2, right boring described in d, it is that rotating speed is that its machined parameters is selected：750～850r/min, cutting depth is：0.20
～0.30mm, feed is：0.10～0.15mm/r, be using cutter：Adjustable boring cutter, tool cutting edge angle is：85～90 °, anterior angle
For：10～12 °, tool arc R is：0.05, cutter material is：High-speed steel；Coolant is：SSGP850B water-soluble metalworking liquids.
These are only the preferably specific embodiment of the present invention, its description is more concrete and in detail, but can not therefore and
It is interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, do not taking off
On the premise of present inventive concept, some equivalent transformations can also be made, these belong to protection scope of the present invention.
Claims (7)
1. the pump housing Special Fixture for Machining of a kind of Marine Water-jet Propulsion Pump, including clamp body (6), it is characterised in that：The fixture
Body (6) is a quadrangle plate body, and the clamp body (6) is outwards sequentially provided with a circular alignment pin (7) and together ring from center
Shape circular groove (62), the inner ring (61) and outer shroud (63) of the annular rounded groove (62) are concentric with the circular alignment pin (7), the folder
Specifically the lower left corner of (6) is provided with water chestnut of the major diameter parallel to annular rounded groove (62) tangent line at the annular rounded groove (62) position
Shape alignment pin (8), the cornerwise upper right corner in clamp body (6) lower left corner away from be provided with the annular rounded groove (62) position one with
The parallel concave hinge seat (5) of clamp body (6) its right end face, in the groove of hinge seat (5), by the bearing pin being provided with
(2) section that chain connection is made up of long short slab is for " returning face plate (1) of " " font, on returning face plate (1) long slab a screw thread is provided with
Hole, is provided with Positioning screw (3) in screwed hole；The clamp body (6) is symmetrical to be provided with pressing plate (9)；The Positioning screw (3)
On be additionally provided with locking nut (31)；The hinge seat (5) is additionally provided with one for interting in the position of the correspondence Positioning screw (3)
The avoidance hole (51) of Positioning screw (3).
2. the pump housing Special Fixture for Machining of Marine Water-jet Propulsion Pump according to claim 1, it is characterised in that：Described four
Side shape plate body is square plate body or rectangle tabular body.
3. the pump housing Special Fixture for Machining of Marine Water-jet Propulsion Pump according to claim 1, it is characterised in that：The inner ring
(61) diameter is matched with the hole A of the pump housing.
4. the pump housing Special Fixture for Machining of the Marine Water-jet Propulsion Pump according to claim 1 or 3, it is characterised in that：It is described
Depth of the groove depth of annular rounded groove (62) less than the hole A of the pump housing.
5. the pump housing Special Fixture for Machining of Marine Water-jet Propulsion Pump according to claim 1, it is characterised in that：It is described circular fixed
Diameter of the diameter of position pin (7) less than the hole C of the pump housing, the major diameter of the diamond positioning pin (8) is less than the diameter of the hole D of the pump housing.
6. according to claim 1 or 5 Marine Water-jet Propulsion Pump pump housing Special Fixture for Machining, it is characterised in that：The water chestnut
Relative position of the shape alignment pin (8) away from the circular relative position of alignment pin (7) with the hole C of the pump housing away from the hole D of the pump housing is relative
Should.
7. the pump housing Special Fixture for Machining of Marine Water-jet Propulsion Pump according to claim 1, it is characterised in that：The returning face plate
(1) angle around the bearing pin (2) upset is more than 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510475603.1A CN105033698B (en) | 2015-08-05 | 2015-08-05 | Clamp special for machining pump body of marine water-jet propulsion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510475603.1A CN105033698B (en) | 2015-08-05 | 2015-08-05 | Clamp special for machining pump body of marine water-jet propulsion pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105033698A CN105033698A (en) | 2015-11-11 |
| CN105033698B true CN105033698B (en) | 2017-05-03 |
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ID=54440973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510475603.1A Active CN105033698B (en) | 2015-08-05 | 2015-08-05 | Clamp special for machining pump body of marine water-jet propulsion pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105033698B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436517B (en) * | 2018-03-27 | 2020-11-13 | 安徽涌诚机械有限公司 | Clamp for finish machining of bearing hole of large bearing block casting |
| CN113909512B (en) * | 2021-10-08 | 2024-02-27 | 重庆跃进机械厂有限公司 | Lubricating oil pump body positioning clamp and lubricating oil pump body processing method |
| CN114012371A (en) * | 2021-12-27 | 2022-02-08 | 黄秀芳 | Reciprocating pump high-precision rack welding technical scheme and tool structure |
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| DE4141786C1 (en) * | 1991-12-18 | 1993-05-06 | Magerl Feinmechanik Gmbh, 8301 Laberweinting, De | Workpiece gripping mechanism for machine tool - uses opposed coaxial clamping plates mounted on spindle housing and second housing |
| CN101733662A (en) * | 2008-11-17 | 2010-06-16 | 吴江市海鑫机械有限公司 | fixture |
| CN202240576U (en) * | 2011-09-24 | 2012-05-30 | 国营红阳机械厂 | Clamp for machining butt-joint holes on end faces of large-scale cylindrical work piece |
| CN102528503A (en) * | 2012-03-21 | 2012-07-04 | 苏州市福迈精密机械有限公司 | Double-sided drilling fixture |
| CN103418990A (en) * | 2012-05-24 | 2013-12-04 | 上海茂德企业集团有限公司 | Machining method and special fixture for pump block |
| CN204893489U (en) * | 2015-08-05 | 2015-12-23 | 江苏科技大学 | Boats and ships water jet propulsion pump's pump body processing special fixture |
-
2015
- 2015-08-05 CN CN201510475603.1A patent/CN105033698B/en active Active
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| DE4141786C1 (en) * | 1991-12-18 | 1993-05-06 | Magerl Feinmechanik Gmbh, 8301 Laberweinting, De | Workpiece gripping mechanism for machine tool - uses opposed coaxial clamping plates mounted on spindle housing and second housing |
| CN101733662A (en) * | 2008-11-17 | 2010-06-16 | 吴江市海鑫机械有限公司 | fixture |
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| CN105033698A (en) | 2015-11-11 |
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Application publication date: 20151111 Assignee: Zhenjiang Siyang Diesel Engine Manufacturing Co.,Ltd. Assignor: JIANGSU University OF SCIENCE AND TECHNOLOGY Contract record no.: X2020320000100 Denomination of invention: A special fixture for machining the pump body of marine water jet propulsion pump Granted publication date: 20170503 License type: Exclusive License Record date: 20201028 |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220415 Address after: 212021 No. 69 liumai Road, Zhenjiang high tech Industrial Development Zone, Zhenjiang City, Jiangsu Province Patentee after: Zhenjiang Siyang Diesel Engine Manufacturing Co.,Ltd. Address before: Meng Xi Road 212003 Zhenjiang city of Jiangsu province Jingkou District No. 2 Patentee before: JIANGSU University OF SCIENCE AND TECHNOLOGY |