CN109551330B - Special vapour-pressure type floating spindle of die casting burring - Google Patents
Special vapour-pressure type floating spindle of die casting burring Download PDFInfo
- Publication number
- CN109551330B CN109551330B CN201910007375.3A CN201910007375A CN109551330B CN 109551330 B CN109551330 B CN 109551330B CN 201910007375 A CN201910007375 A CN 201910007375A CN 109551330 B CN109551330 B CN 109551330B
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- China
- Prior art keywords
- sleeve
- machine body
- piston
- fuselage
- annular
- Prior art date
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- 238000004512 die casting Methods 0.000 title claims abstract description 14
- 238000007667 floating Methods 0.000 title claims abstract description 11
- 238000003825 pressing Methods 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000010791 quenching Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000000171 quenching effect Effects 0.000 claims description 7
- 238000003801 milling Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 4
- 238000000227 grinding Methods 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract description 5
- 238000005498 polishing Methods 0.000 abstract description 5
- 238000005056 compaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a special pneumatic floating spindle for deburring die castings, which comprises a machine body sleeve, a machine body lower base and a piston, wherein the bottom end of the machine body sleeve is connected with the machine body lower base, an annular baffle plate is integrally formed at the top end of the machine body sleeve, a machine head arc-shaped top cover is connected at the top end of the machine body sleeve, burrs of a push rod position in a complex cavity can be corrected and polished, burrs generated by a parting surface can be removed by polishing a part-like contour, programming accuracy for manually polishing the part-like contour can be greatly reduced, debugging efficiency is improved, skill requirements for workers are reduced, and when the part collides with a cutter mechanically, the pneumatic floating spindle can avoid mechanical damage to equipment caused by collision, does not have the phenomenon of excessive machining or insufficient machining during part machining, improves yield and is suitable for high-power grinding occasions.
Description
Technical Field
The invention relates to the technical field of die casting processing, in particular to a pneumatic floating main shaft special for deburring of a die casting.
Background
In the die casting production process, burrs generated by the die casting are unavoidable due to factors such as pressure impact, insufficient die locking force and the like. With the increasing quality requirements of die castings in recent years, the requirements on burrs are more strict, and meanwhile, the deburring method is also endless.
Most of the existing product polishing methods are manually controlled by operators, and only parts with simpler shapes can be polished in the polishing mode, so that complex surface treatment cannot be achieved. When mechanical collision occurs due to misoperation, damage to parts and machines can be caused. The grinding force of the part is not well controlled, and the part is processed or is not processed in place. The yield is reduced.
Disclosure of Invention
The invention aims to provide a pneumatic floating main shaft special for deburring die castings, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a special vapour-pressure type floating spindle of die casting burring, includes fuselage sleeve, fuselage lower base, piston, fuselage telescopic bottom is connected with fuselage lower base, fuselage telescopic top integrated into one piece has annular separation blade, fuselage telescopic top even is equipped with aircraft nose arc top cover, integrated into one piece has annular connecting block on the lateral wall of piston, annular connecting block and fuselage telescopic inside wall sliding connection, be equipped with piston pre-compaction spring under the fuselage between base and the annular connecting block, piston pre-compaction spring's upper end contacts with annular connecting block, piston pre-compaction spring's lower extreme contacts with fuselage lower base, form the cavity between fuselage lower base, piston and the annular connecting block, fill high-pressure gas in the cavity, piston's inside wall upper portion integrated into one piece has annular pressure cover, be equipped with joint bearing on the inside wall of piston, joint bearing internal connection has the gradual connection sleeve, gradual connection telescopic outside wall upper portion is equipped with the inner circle and presses the cover, sliding connection has to pull out the finger to press the cover on the inside wall of aircraft nose arc top cover, press cover and even be equipped with between the steel ball and the arc top cover of pressing down, the inside is equipped with the arc-shaped sleeve of rolling mill.
Preferably, the inner ring side wall of the lower base of the machine body is provided with a first sealing ring groove, the outer ring side wall of the lower base of the machine body is provided with a second sealing ring groove, the outer ring side wall of the annular connecting block is provided with a third sealing ring groove, the first sealing ring groove is internally provided with a Y-shaped rubber sealing ring, the second sealing ring groove is internally provided with a first rubber sealing ring, and the third sealing ring groove is internally provided with a second rubber sealing ring.
Preferably, the machine body sleeve is connected with the machine head arc-shaped top cover through a round head screw, the machine body sleeve is connected with the machine body lower base through a round head screw, and the inner ring pressing sleeve is connected with the gradual connection sleeve through a flat head screw.
Preferably, the sections of the finger-pulling pressing sleeve and the annular pressing sleeve are right trapezoid.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a pneumatic floating main shaft special for deburring die castings, which can correct and polish burrs of an ejector rod position in a complex die cavity, can polish and remove burrs generated by a parting surface by imitating part contours, can greatly reduce programming accuracy written by manually polishing the imitated part contours, improves debugging efficiency, reduces technical requirements on staff, can avoid actions when parts and cutters mechanically collide, counteracts mechanical damage to equipment caused by collision, does not have the phenomenon of over-machining or out-of-place machining when parts are machined, improves yield, and is suitable for high-power grinding occasions.
Drawings
Fig. 1 is a schematic cross-sectional view of the structure of the present invention.
In the figure: 1-fuselage sleeve, 2-fuselage lower base, 3-annular separation blade, 4-aircraft nose arc top cap, 5-piston, 6-annular connecting block, 7-piston pre-compaction spring, 8-joint bearing, 9-gradual connection sleeve, 10-inner circle press sleeve, 11-finger-pulling press sleeve, 12-quenching steel ball, 13-swing pre-compaction spring, 14-straight carving mill, 15-Y shape rubber seal, 16-first rubber seal, 17-second rubber seal.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a special vapour-pressure type floating spindle of die casting burring, includes fuselage sleeve 1, fuselage lower base 2, piston 5, fuselage sleeve's bottom is connected with fuselage lower base, fuselage sleeve's top integrated into one piece has annular separation blade 3, fuselage sleeve's top is equipped with aircraft nose arc top cover 4 even, integrated into one piece has annular connecting block 6 on the lateral wall of piston, annular connecting block and fuselage sleeve's inside wall sliding connection, be equipped with piston pre-compression spring 7 down between base and the annular connecting block, piston pre-compression spring's upper end contacts with the annular connecting block, piston pre-compression spring's lower extreme contacts with fuselage lower base, form the cavity between fuselage lower base, piston and the annular connecting block, fill high-pressure gas in the cavity, the high-pressure gas in the cavity can provide thrust to promote the piston to fixed position, the inside wall upper portion integrated into one piece of piston has annular pressure sleeve, and the annular pressure sleeve can contact with aircraft nose arc top cover at this moment, the annular pressure sleeve's upper surface can be equipped with the annular pressure sleeve, the annular pressure sleeve's inside wall is equipped with piston pre-compression spring 7 between the annular pressure sleeve, can be equipped with through the annular pressure sleeve 13 on the inner circle taper sleeve contact with the annular pressure sleeve through the inner circle taper sleeve 13, the annular pressure sleeve is equipped with the inner circle sleeve 13 can be connected simultaneously with the annular pressure sleeve 13 through the annular pressure sleeve, the annular sleeve is rotatable, the annular sleeve is equipped with the inner circle 13 on the annular pressure sleeve is connected simultaneously, the annular sleeve is equipped with the inner circle 13 through the annular pressure sleeve is gradually, the annular sleeve is connected simultaneously with the inner circle 13 through the angle of the annular sleeve 13 to the annular sleeve is easy to the inner circle 13, the inside of the gradual connection sleeve is provided with a straight engraving machine 14.
Specifically, be equipped with first sealing washer groove on the inner ring lateral wall of fuselage lower base, be equipped with the second sealing washer groove on the outer loop lateral wall of fuselage lower base, be equipped with the third sealing washer groove on the outer loop lateral wall of annular connecting block, be equipped with Y shape rubber seal 15 in the first sealing washer groove, be equipped with first rubber seal 16 in the second sealing washer groove, be equipped with second rubber seal 17 in the third sealing washer groove, can prevent cavity gas leakage through Y shape rubber seal, first rubber seal and second rubber seal.
Specifically, the machine body sleeve is connected with the machine head arc-shaped top cover through a round head screw, the machine body sleeve is connected with the machine body lower base through a round head screw, the inner ring pressing sleeve is connected with the gradual connection sleeve through a flat head screw, and the machine body is stable in connection with the flat head screw through the round head screw and easy to detach and install.
Specifically, the sections of the finger-pulling pressing sleeve and the annular pressing sleeve are right trapezoid, and the angles of the other two angles of the right trapezoid are 45 degrees and 135 degrees.
Working principle: according to the invention, after the cavity is filled with high-pressure gas, the high-pressure gas pushes the piston to lift upwards, the annular pressing sleeve on the piston moves upwards at the same time as the piston moves upwards, the annular pressing sleeve pushes the quenching steel ball upwards, the force is transmitted to the finger pressing sleeve after the quenching steel ball is stressed, and the finger pressing sleeve compresses the swing pre-pressing spring at the moment. The swinging pre-pressing spring is reacted with the finger pressing sleeve after being compressed, and at the moment, the quenching steel ball is subjected to locking force of an upper inclined plane and a lower inclined plane of 45 degrees, so that the quenching steel ball is pressed towards the inner ring pressing sleeve, the gradual connecting sleeve is corrected, the straight engraving machine is also corrected, and the gradual connecting sleeve can swing at a certain angle under the action of the knuckle bearing.
When the axial stress of the straight engraving machine, the piston is compressed downwards, so that the straight engraving machine is retracted, after the external force disappears, the straight engraving machine can be retracted due to the air pressure in the cavity and the pre-pressing spring of the piston, the retraction force of the straight engraving machine can be controlled by changing the density of high-pressure air in the cavity, and the retraction damping force and the grinding force of the straight engraving machine are a pair of balance forces, so that the grinding force of the straight engraving machine can be adjusted by controlling the density of the high-pressure air.
When the shaft of the straight engraving and milling machine is stressed in the radial direction, the quenching steel balls are extruded by the straight engraving and milling machine, so that the quenching steel balls are outwards retracted, the finger-pulling pressing sleeve is pushed to move upwards, and the swinging pre-pressing spring is extruded when the finger-pulling pressing sleeve moves upwards, so that the straight engraving and milling machine can swing in a small amplitude, and when the external force is small, the straight engraving and milling machine can automatically return to the normal position.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a special vapour-pressure type floating spindle of die casting burring, includes fuselage sleeve (1), fuselage lower base (2), piston (5), its characterized in that: the utility model provides a machine body is characterized in that the bottom of fuselage sleeve (1) is connected with fuselage lower base (2), the top integrated into one piece of fuselage sleeve (1) has annular separation blade (3), the top of fuselage sleeve (1) even is equipped with aircraft nose arc top cap (4), integrated into one piece has annular connecting block (6) on the lateral wall of piston (5), annular connecting block (6) and the inside wall sliding connection of fuselage sleeve (1), be equipped with piston pre-compression spring (7) between fuselage lower base (2) and annular connecting block (6), the upper end of piston pre-compression spring (7) is contacted with annular connecting block (6), the lower extreme of piston pre-compression spring (7) is contacted with fuselage lower base (2), form the cavity between fuselage lower base (2), piston (5) and annular connecting block (6), fill high-pressure gas in the cavity, the inside wall upper portion integrated into of piston (5) has annular pressure sleeve, be equipped with joint bearing (8) on the inside wall of piston (5), joint bearing (8) in-connection has gradually to link (9), it has inner circle (10) to press down the inside wall of inner race (10) to link, be equipped with inner race (10) between the annular connecting block (6) A quenching steel ball (12) is uniformly arranged between the annular pressing sleeve and the finger-pulling pressing sleeve (11), a swinging pre-pressing spring (13) is arranged between the inner ring pressing sleeve (10) and the upper side wall of the machine head arc-shaped top cover (4), and a straight engraving and milling machine (14) is arranged in the gradual connection sleeve (9); the inner ring side wall of the lower machine body base (2) is provided with a first sealing ring groove, the outer ring side wall of the lower machine body base (2) is provided with a second sealing ring groove, the outer ring side wall of the annular connecting block (6) is provided with a third sealing ring groove, the first sealing ring groove is internally provided with a Y-shaped rubber sealing ring (15), the second sealing ring groove is internally provided with a first rubber sealing ring (16), and the third sealing ring groove is internally provided with a second rubber sealing ring (17); the machine body sleeve (1) is connected with the machine head arc-shaped top cover (4) through a round head screw, the machine body sleeve (1) is connected with the machine body lower base (2) through a round head screw, and the inner ring pressing sleeve (10) is connected with the gradual connection sleeve (9) through a flat head screw.
2. The pneumatic floating spindle special for deburring of die castings according to claim 1, wherein: the sections of the finger-pulling pressing sleeve (11) and the annular pressing sleeve are right trapezoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910007375.3A CN109551330B (en) | 2019-01-04 | 2019-01-04 | Special vapour-pressure type floating spindle of die casting burring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910007375.3A CN109551330B (en) | 2019-01-04 | 2019-01-04 | Special vapour-pressure type floating spindle of die casting burring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109551330A CN109551330A (en) | 2019-04-02 |
| CN109551330B true CN109551330B (en) | 2024-02-23 |
Family
ID=65872318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910007375.3A Active CN109551330B (en) | 2019-01-04 | 2019-01-04 | Special vapour-pressure type floating spindle of die casting burring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109551330B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977773B (en) * | 2019-12-30 | 2024-06-04 | 北京市电加工研究所有限公司 | Online dressing device and process for diamond grinding wheel of cutter grinder |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4798024A (en) * | 1984-07-06 | 1989-01-17 | Maschinenfabrik Gehring Gesellshaft mit beschrankter Haftung & Co. Kommanditgesellschaft | Method and apparatus for deburring the inner edge of part of a workpiece |
| BR7001923U (en) * | 1990-09-17 | 1992-05-05 | Mecason Ind De Aparelhos Hidra | ALTERNATIVE PNEUMATIC PULSER |
| JPH08141894A (en) * | 1994-11-18 | 1996-06-04 | Toyo A Tec Kk | Backing plate device |
| US5593342A (en) * | 1994-05-11 | 1997-01-14 | Thibaut S.A. | Device for smoothing and polishing stone |
| CN2850785Y (en) * | 2005-12-15 | 2006-12-27 | 天津第一机床总厂 | Unilateral flexible wheelhead mechanism of digital controlled spiral bevel gear crest chamfering machine |
| CN205527077U (en) * | 2016-04-25 | 2016-08-31 | 昌龙兴科技（深圳）有限公司 | High accuracy atmospheric pressure mandril that expands |
| CN106378704A (en) * | 2016-10-28 | 2017-02-08 | 南宁宇立仪器有限公司 | Flexible polishing device |
| CN206578649U (en) * | 2017-02-20 | 2017-10-24 | 浙江今飞摩轮有限公司 | A kind of floating type flash trimmer |
| CN209717236U (en) * | 2019-01-04 | 2019-12-03 | 杭州龙盛工贸有限公司 | A kind of dedicated vapour-pressure type Float principal axis of die casting deburring |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5122022B2 (en) * | 2010-07-02 | 2013-01-16 | 尚伸 倉谷 | Machine tool with floating mechanism |
-
2019
- 2019-01-04 CN CN201910007375.3A patent/CN109551330B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4798024A (en) * | 1984-07-06 | 1989-01-17 | Maschinenfabrik Gehring Gesellshaft mit beschrankter Haftung & Co. Kommanditgesellschaft | Method and apparatus for deburring the inner edge of part of a workpiece |
| BR7001923U (en) * | 1990-09-17 | 1992-05-05 | Mecason Ind De Aparelhos Hidra | ALTERNATIVE PNEUMATIC PULSER |
| US5593342A (en) * | 1994-05-11 | 1997-01-14 | Thibaut S.A. | Device for smoothing and polishing stone |
| JPH08141894A (en) * | 1994-11-18 | 1996-06-04 | Toyo A Tec Kk | Backing plate device |
| CN2850785Y (en) * | 2005-12-15 | 2006-12-27 | 天津第一机床总厂 | Unilateral flexible wheelhead mechanism of digital controlled spiral bevel gear crest chamfering machine |
| CN205527077U (en) * | 2016-04-25 | 2016-08-31 | 昌龙兴科技（深圳）有限公司 | High accuracy atmospheric pressure mandril that expands |
| CN106378704A (en) * | 2016-10-28 | 2017-02-08 | 南宁宇立仪器有限公司 | Flexible polishing device |
| CN206578649U (en) * | 2017-02-20 | 2017-10-24 | 浙江今飞摩轮有限公司 | A kind of floating type flash trimmer |
| CN209717236U (en) * | 2019-01-04 | 2019-12-03 | 杭州龙盛工贸有限公司 | A kind of dedicated vapour-pressure type Float principal axis of die casting deburring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109551330A (en) | 2019-04-02 |
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