CN114749960B - Clamp for machining end face of special-shaped connecting pipe and using method - Google Patents
Clamp for machining end face of special-shaped connecting pipe and using method Download PDFInfo
- Publication number
- CN114749960B CN114749960B CN202210551414.8A CN202210551414A CN114749960B CN 114749960 B CN114749960 B CN 114749960B CN 202210551414 A CN202210551414 A CN 202210551414A CN 114749960 B CN114749960 B CN 114749960B
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- China
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- arc
- arc surface
- briquetting
- curb plate
- side plates
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to a clamp for processing end surfaces of special-shaped connecting pipes, which comprises a top plate, a mounting plate, side plates, a bottom plate, a first pressing block and a second pressing block, wherein the side plates are arranged on two sides of the top plate, the bottom plate is arranged opposite to the top plate and connected with the side plates, the two side plates are symmetrically arranged, the mounting plate is arranged between the side plates, a first arc surface is arranged in the middle of the top plate, the side plates are provided with second arc surfaces, the first arc surface and the second arc surface are correspondingly arranged with the outer circle of a flange of the special-shaped connecting pipe, the first pressing block is provided with a first matching arc surface, the second pressing block is provided with a second matching arc surface, the first pressing block and the second pressing block are detachably connected with the side plates, the first matching arc surface is correspondingly arranged with the first arc surface, and the second matching arc surface is correspondingly arranged with the second arc surface. The invention can realize one-time clamping processing and has better economical efficiency. In addition, the relative size can be better detected on line, and the one-time processing qualification rate of operators is also improved.
Description
Technical Field
The invention relates to the technical field of tool and mechanical part machining, in particular to a clamp for machining an end face of a special-shaped connecting pipe and a using method.
Background
When the two end faces of the special-shaped connecting pipe are processed, as the part is a cast blank and has irregular shape, the clamping and positioning are unreliable, the size of the interfaces at the two ends of the special-shaped connecting pipe is not in the same plane, the space hole distance, the angle, the boss and the spigot of the special-shaped connecting pipe have the size and tolerance requirements, and the whole is processed by the end face with a compound angle. The traditional common processing equipment cannot meet the requirement of the dimensional accuracy of two end surfaces, is inaccurate in positioning, unreliable in clamping and low in processing efficiency, cannot check the sizes of parts on line during processing, and has poor consistency of the sizes of the parts during mass production; the more advanced five-axis equipment is adopted for processing, the cost is higher, the clamping and positioning have the same problems, and the production efficiency is low. Therefore, it is necessary to develop a fixture with high productivity and high dimensional consistency, which can be positioned accurately.
Disclosure of Invention
The clamp for machining the end face of the special-shaped connecting pipe is high in clamping accuracy, machining efficiency is effectively improved, and economical efficiency is good.
The specific technical scheme is as follows: the utility model provides a anchor clamps for terminal surface processing is taken over to dysmorphism, includes roof, mounting panel, curb plate, bottom plate, first briquetting and second briquetting, the curb plate sets up in the roof both sides, and the bottom plate sets up relatively and is connected with the curb plate with the roof, and two curb plate symmetries set up, and the mounting panel sets up between the curb plate, the middle part of roof is equipped with first arc surface, and the curb plate is equipped with the second arc surface, and first arc surface and second arc surface correspond the setting with the flange excircle that the dysmorphism was taken over, first briquetting has first joining in marriage and connects the cambered surface, and the second briquetting has the second joining in marriage and connects the cambered surface, and first briquetting and second briquetting are connected with the curb plate is detachable, and first joining in marriage and first arc surface corresponds the setting with first arc surface, and second joining in marriage and correspond the setting with the second arc surface.
Preferably, the first arc surface of the top plate has a step structure.
Preferably, the second arc surface is a kidney-shaped arc surface.
Preferably, the first pressing block, the second pressing block and the side plate are connected through screws.
Preferably, the top plate, the mounting plate, the side plates and the bottom plate form a welding piece.
Preferably, the side plate is provided with a pin hole.
The application method of the clamp for machining the end face of the special-shaped connecting pipe comprises the following steps:
s100: installing a part, namely taking a first arc surface and a second arc surface at two parts of a clamp as positioning references, pressing a first pressing block and a second pressing block, checking the parallelism of the flange end surface of the part and the respective adjacent tool surfaces by using a depth gauge during clamping to be less than 0.5mm, supporting by using a jack, and pressing the part by using the first pressing block and the second pressing block, so that the part is ensured to be installed right;
s200: roughly milling the end surfaces, bosses and rabbets of the two flanges of the special-shaped connecting pipe, detecting the circle center distance size of the two flanges by using a reference cutter, and obtaining the rest data;
s300: finish milling the end faces, bosses and spigot of the two flanges of the connecting pipe, and detecting the circle center distance size of the two flanges and the corresponding spigot and boss size by using a reference cutter.
Before step S100, firstly correcting outer circle blanks of flanges at two ends of a part connecting pipe and adjacent end faces, then machining the outer circles to be in a size, roughly machining the end faces with white, guaranteeing uniform installation sizes of arc surfaces, then adopting a horizontal machining center, installing a clamp, correcting flatness and perpendicularity of each side face of the clamp to be 0.05, and using an alignment pin hole as a program reference point for part machining.
The invention has the technical effects that: the clamp for processing the end face of the special-shaped connecting pipe and the application method thereof can realize one-time clamping processing, so that the original processing scheme can be reduced to be implemented by a four-axis processing center which is more economical only by adopting a relatively expensive five-axis processing center, and the economical efficiency is better. In addition, through the rotation part angle, the original size relation is converted, the relative size can be better detected on line, and the one-time processing qualification rate of an operator is improved.
Drawings
Fig. 1 is a schematic view of a fixture for end face machining of a profiled adapter according to an embodiment of the invention.
Fig. 2 is a side view of a fixture for profiled nipple end face machining in accordance with an embodiment of the invention.
Fig. 3 is a top view of a fixture for profiled nipple end face machining in accordance with an embodiment of the invention.
Fig. 4 is a schematic diagram of a shaped nipple of an embodiment of the invention.
Fig. 5 is a side view of a shaped nipple of an embodiment of the invention.
Fig. 6 is a top view of a shaped nipple of an embodiment of the invention.
Detailed Description
The essential features and advantages of the invention will be further elucidated with reference to the examples, without however being limited to the embodiments listed.
As shown in fig. 1 to 6, a fixture for end face processing of a special-shaped connecting pipe of the present embodiment includes a top plate 1, a mounting plate 2, side plates 3, a bottom plate 4, a first pressing block 5 and a second pressing block 6, the side plates 3 are disposed on two sides of the top plate 1, the bottom plate 4 is disposed opposite to the top plate 1 and connected with the side plates 3, the two side plates 3 are symmetrically disposed, and the mounting plate 2 is disposed between the side plates 3. The middle part of roof 1 is equipped with first arc surface 11, and curb plate 3 is equipped with second arc surface 31, and first arc surface 11 and second arc surface 31 correspond the setting with the flange excircle 101 of dysmorphism takeover 10. The first pressing block 5 is provided with a first matching cambered surface 51, the second pressing block 6 is provided with a second matching cambered surface 61, the first pressing block 5 and the second pressing block 6 are detachably connected with the side plate 3, the first matching cambered surface 51 is correspondingly arranged with the first cambered surface 11, and the second matching cambered surface 61 is correspondingly arranged with the second cambered surface 31. In the above technical scheme, when the special-shaped connecting pipe 10 is clamped, the part is rotated 20 degrees anticlockwise and is placed into the two arc section tools of the top plate 1 and the side plate 3, through the rotation change, the two end faces of the part are changed into 90 degrees vertical relation, the corresponding center distances of circles at the two ends are converted, the center distances a, b and c in the drawing are changed into a ', b', c ', wherein a=312, b=190, c=142 are changed into a' =312, b '= 129.98, c' = 198.42, the dimensional relation of the two parts is clearer than the dimensional relation of the two parts, and the workability and the online measurement are facilitated. The special-shaped connecting pipe 10 is clamped through the first pressing block and the second pressing block, the clamp is in a symmetrical structure, arc surfaces are designed at the corresponding positions of the side plates 3 on the middle and two sides of the top plate 1 of the clamp, and the size of the arc surfaces is 0.5-1 larger than the outer circle of the flange of the corresponding part. Through the technical scheme, one-time clamping processing can be realized, so that the processing scheme can be reduced to be implemented by a four-axis processing center which is more economical only by adopting a relatively expensive five-axis processing center, and the economical efficiency is better. In addition, through the rotation part angle, the original size relation is converted, the relative size can be better detected on line, and the one-time processing qualification rate of an operator is improved.
In this embodiment, the first arc surface 11 of the top plate 1 has a step structure 12, and the second arc surface 31 is a kidney-shaped arc surface, so that one end of the component can be axially positioned, and the other end of the component has a certain deflection amount, so that the component is convenient to correct. The first pressing block 5, the second pressing block 6 and the side plate 3 are connected through screws, the arc surfaces of the first pressing block 5 and the second pressing block 6 on the clamp and the arc surface of the clamp are used for jointly tensioning the part through screws, the clamp clamping part is reliable in positioning and mounting, and meanwhile, two specifications of parts of a left connecting pipe and a right connecting pipe can be processed. The welding parts are formed by the top plate 1, the mounting plate 2, the side plates 3 and the bottom plate 4, so that the whole structure is formed, and the structure is firmer. The side plate 3 is provided with a pin hole 32.
The application method of the clamp for processing the end face of the special-shaped connecting pipe of the embodiment comprises the following steps: s100: installing parts, namely, taking a first arc surface 11 and a second arc surface 31 at two parts of a clamp as positioning references, pressing a first pressing block 5 and a second pressing block 6, checking the parallelism of the flange end surface of the part and each adjacent tool surface by using a depth gauge during clamping to be less than 0.5mm, supporting by using a jack, and pressing the parts by using the first pressing block 5 and the second pressing block 6, so that the parts are ensured to be installed correctly; s200: roughly milling the end surfaces, bosses and rabbets of the two flanges of the special-shaped connecting pipe, detecting the circle center distance size of the two flanges by using a reference cutter, and obtaining the rest data; s300: finish milling the end faces, bosses and spigot of the two flanges of the connecting pipe, and detecting the circle center distance size of the two flanges and the corresponding spigot and boss size by using a reference cutter.
Before step S100, firstly correcting outer circle blanks of flanges at two ends of a part connecting pipe and adjacent end faces, then machining the outer circles to the size, rough machining the end faces with white, guaranteeing the uniformity of the installation sizes of the arc surfaces, then adopting a horizontal machining center, installing a clamp, and correcting flatness and perpendicularity of each side face of the clamp to 0.05, wherein an alignment pin hole is used as a program reference point for part machining.
The clamp for processing the end face of the special-shaped connecting pipe and the application method can realize one-time clamping processing, so that the processing scheme can be reduced to be implemented by a four-axis processing center which is more economical only by adopting a relatively expensive five-axis processing center, and the economical efficiency is better. In addition, through the rotation part angle, the original size relation is converted, the relative size can be better detected on line, and the one-time processing qualification rate of an operator is improved.
It should be noted that the foregoing description of the preferred embodiments is merely illustrative of the technical concept and features of the present invention, and is not intended to limit the scope of the invention, as long as the scope of the invention is defined by the claims and their equivalents. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (3)
1. The utility model provides a anchor clamps for dysmorphism takeover terminal surface processing, its characterized in that, including roof, mounting panel, curb plate, bottom plate, first briquetting and second briquetting, the curb plate sets up in roof both sides, and the bottom plate sets up relatively and is connected with the curb plate with the roof, and two curb plate symmetries set up, the mounting panel sets up between the curb plate, the middle part of roof is equipped with first arc, and the curb plate is equipped with the second arc, and first arc and second arc correspond the setting with the flange excircle of dysmorphism takeover, first briquetting has first joining in marriage and connects the cambered surface, and the second briquetting has the second joining in marriage the cambered surface, and first briquetting and second briquetting are connected with the curb plate detachable, and first joining in marriage the cambered surface and first arc corresponds the setting with the second arc, the first arc of roof has step structure, the second arc is waist shape cambered surface, and anchor clamps are symmetrical structure form, have the arc in the middle of anchor clamps roof and both sides curb plate relevant position all designed, when clamping dysmorphism takeover, make the part anticlockwise rotation 20 put into and two sections of curb plate, through being connected between first briquetting and the second briquetting.
2. The fixture for end face machining of special-shaped connecting pipes according to claim 1, wherein the top plate, the mounting plate, the side plates and the bottom plate form a welding piece.
3. The fixture for end face machining of special-shaped connecting pipes according to claim 2, wherein pin holes are formed in the side plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210551414.8A CN114749960B (en) | 2022-05-18 | 2022-05-18 | Clamp for machining end face of special-shaped connecting pipe and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210551414.8A CN114749960B (en) | 2022-05-18 | 2022-05-18 | Clamp for machining end face of special-shaped connecting pipe and using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114749960A CN114749960A (en) | 2022-07-15 |
| CN114749960B true CN114749960B (en) | 2023-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210551414.8A Active CN114749960B (en) | 2022-05-18 | 2022-05-18 | Clamp for machining end face of special-shaped connecting pipe and using method |
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| Country | Link |
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| CN (1) | CN114749960B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4169396A (en) * | 1978-03-03 | 1979-10-02 | Tri Tool, Inc. | Elbow mandrel arrangement |
| CN104308604A (en) * | 2014-10-21 | 2015-01-28 | 江苏万盛铸造有限公司 | Fixture for machining of end faces of bend |
| CN105215785A (en) * | 2015-09-14 | 2016-01-06 | 联德机械（杭州）有限公司 | Parts like bent pipes processing positioning method |
| CN205290421U (en) * | 2015-11-27 | 2016-06-08 | 资阳中车传动有限公司 | Gas off -take pipe bending device |
| CN208289458U (en) * | 2018-05-18 | 2018-12-28 | 北京电子科技职业学院 | A kind of outer surface of bent pipe finishing tooling |
| CN109531164A (en) * | 2018-12-28 | 2019-03-29 | 盛瑞传动股份有限公司 | Exhaust pipe Special Fixture for Machining and exhaust pipe processing technique |
| CN211804922U (en) * | 2019-12-31 | 2020-10-30 | 谢丽 | Flange plate adding device for valve machining |
| CN213080777U (en) * | 2020-09-15 | 2021-04-30 | 金湖金帛机械有限公司 | Positioning fixture for flange machining |
| CN112975475A (en) * | 2019-12-14 | 2021-06-18 | 上海国上机电科技有限公司 | Device for drilling and tapping for machining flange end plate |
| CN213828012U (en) * | 2020-11-03 | 2021-07-30 | 新乡航空工业(集团)有限公司 | Reverse positioning fixture for special-shaped shell parts |
| CN215747884U (en) * | 2021-08-24 | 2022-02-08 | 东风汽车零部件(集团)有限公司通用铸锻分公司 | Adjusting tool for processing irregular-thickness flange face of engine pipe fitting part |
| CN216541067U (en) * | 2021-10-13 | 2022-05-17 | 江苏泽茗精密机械制造股份有限公司 | Milling clamp for bent pipe flange |
-
2022
- 2022-05-18 CN CN202210551414.8A patent/CN114749960B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4169396A (en) * | 1978-03-03 | 1979-10-02 | Tri Tool, Inc. | Elbow mandrel arrangement |
| CN104308604A (en) * | 2014-10-21 | 2015-01-28 | 江苏万盛铸造有限公司 | Fixture for machining of end faces of bend |
| CN105215785A (en) * | 2015-09-14 | 2016-01-06 | 联德机械（杭州）有限公司 | Parts like bent pipes processing positioning method |
| CN205290421U (en) * | 2015-11-27 | 2016-06-08 | 资阳中车传动有限公司 | Gas off -take pipe bending device |
| CN208289458U (en) * | 2018-05-18 | 2018-12-28 | 北京电子科技职业学院 | A kind of outer surface of bent pipe finishing tooling |
| CN109531164A (en) * | 2018-12-28 | 2019-03-29 | 盛瑞传动股份有限公司 | Exhaust pipe Special Fixture for Machining and exhaust pipe processing technique |
| CN112975475A (en) * | 2019-12-14 | 2021-06-18 | 上海国上机电科技有限公司 | Device for drilling and tapping for machining flange end plate |
| CN211804922U (en) * | 2019-12-31 | 2020-10-30 | 谢丽 | Flange plate adding device for valve machining |
| CN213080777U (en) * | 2020-09-15 | 2021-04-30 | 金湖金帛机械有限公司 | Positioning fixture for flange machining |
| CN213828012U (en) * | 2020-11-03 | 2021-07-30 | 新乡航空工业(集团)有限公司 | Reverse positioning fixture for special-shaped shell parts |
| CN215747884U (en) * | 2021-08-24 | 2022-02-08 | 东风汽车零部件(集团)有限公司通用铸锻分公司 | Adjusting tool for processing irregular-thickness flange face of engine pipe fitting part |
| CN216541067U (en) * | 2021-10-13 | 2022-05-17 | 江苏泽茗精密机械制造股份有限公司 | Milling clamp for bent pipe flange |
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| Publication number | Publication date |
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| CN114749960A (en) | 2022-07-15 |
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Address after: No.2667, Xinglong Avenue, Yongchuan District, Chongqing 402160 Patentee after: China Shipbuilding Chongqing Hydraulic Electromechanical Co.,Ltd. Address before: No.2667, Xinglong Avenue, Yongchuan District, Chongqing 402160 Patentee before: CSIC CHONGQING HYDRAULIC MECHANICAL-ELECTRONICAL Co.,Ltd. |