CN109202383B - Manufacturing method of serialized connecting flange - Google Patents
Manufacturing method of serialized connecting flange Download PDFInfo
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- CN109202383B CN109202383B CN201811216420.8A CN201811216420A CN109202383B CN 109202383 B CN109202383 B CN 109202383B CN 201811216420 A CN201811216420 A CN 201811216420A CN 109202383 B CN109202383 B CN 109202383B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 239000011265 semifinished product Substances 0.000 claims abstract description 15
- 210000001503 joint Anatomy 0.000 claims abstract description 14
- 238000000227 grinding Methods 0.000 claims description 15
- 238000005553 drilling Methods 0.000 claims description 11
- 238000003754 machining Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 238000005242 forging Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000009191 jumping Effects 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 239000000047 product Substances 0.000 abstract description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Classifications
-
- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
- F16D1/033—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/076—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a manufacturing method of a series connecting flange, which is characterized in that on the basis of the size of a neck part of a connecting flange installed on a transmission device, series are divided according to the size of a flange disc of the connecting flange, each series is assigned with a code, and a semi-finished part drawing of the connecting flange is designed; processing the semi-finished parts of the connecting flange according to the semi-finished part drawing; designing a connecting flange finished product part drawing according to the type of the transmission equipment and the butt joint size of the flange plate of the connecting flange determined by the requirement; and (5) taking the semi-finished product of the connecting flange, and processing the butt joint size of the flange discs of the connecting flange. By implementing the invention, the precision of the neck internal spline of the connecting flange, the position tolerance of the neck excircle, the flange plate positioning surface and the large diameter of the internal spline are ensured, the size and the form and position tolerance are stable, the processing period is greatly shortened, and the cost is reduced. The processing of the connecting flange can be finished in one day as long as the equipment model of the connecting flange and the butt joint size of the flange plate of the connecting flange are determined, and the product delivery on time is ensured.
Description
Technical Field
The invention belongs to the field of machine manufacturing, and particularly relates to a manufacturing method of a connecting flange.
Background
Fig. 3 is a schematic structural diagram of a connecting flange part, which is a connecting piece between transmission devices. Neck (internal spline, external circle) of flange connected according to running rule
d11h7) The inner spline is arranged in an input end shell or an output end shell of the square supply transmission equipment, the inner spline is connected with an input shaft or an output shaft, and the neck of an input or output connecting flange of the same equipment is unchanged in size. Flange plate (excircle)
d31h8、
d32Length dimension L31、L32Mounting hole
DmPitch of hole
D) And the transmission device is connected with the transmission device of the demander and is designed according to the butt joint size of the demander. Therefore, the produced connecting flange has more varieties and less parts of the same kind, so that the management cost and the processing cost are increased; often, the whole product cannot be delivered on time due to the short supply period and the failure of production of the connecting flange. Therefore, a quality-guaranteed, fast and economical processing method is needed to meet the requirement of supply cycle.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the manufacturing method of the serialized connecting flange is provided, the serialized connecting flange is processed in a quality-guaranteed, rapid and economical mode, and the production management cost is reduced.
The invention is based on the neck size of the connecting flange, and then classifies the neck size of the connecting flange according to the flange disc size of the connecting flange, designs a semi-finished product drawing, and manufactures the semi-finished product according to the semi-finished product drawing for storage. When the demanded transmission equipment model and the flange plate butt joint size of the connecting flange are determined by the demanding party, the supply party designs a connecting flange finished product drawing, a connecting flange semi-finished product is taken during processing, the flange plate butt joint size can be processed, and the production period is greatly shortened.
The invention is realized by the following technical scheme.
A method of manufacturing a serialized connection flange comprising the steps of:
the method comprises the following steps: based on the size of the neck of the connecting flange installed on the transmission equipment, dividing series according to the size of a flange disc of the connecting flange, determining a code for each series, and designing a semi-finished part drawing of the connecting flange;
step two: processing a connecting flange semi-finished part;
step three: designing a finished part drawing of the connecting flange according to the equipment model of the connecting flange and the butt joint size of a flange disc of the connecting flange;
step four: and processing the connecting flange finished part.
Preferably, in the second step, the machining process of the semi-finished part includes:
(1) forging: forging a blank according to the connecting flange semi-finished part drawing;
(2) turning: clamping the excircle of the neck part, turning the end face, the excircle and the inner hole of the flange disc, clamping the excircle of the flange disc, turning the end face and the excircle of the neck part, and reserving allowance for all machined surfaces;
(3) and (3) heat treatment: quenching and tempering according to requirements to reach the hardness requirement;
(4) turning: clamping the external circle of the neck part, turning the end face, the external circle, the internal hole of the flange disc and the small diameter of the internal spline
DiTolerance tightening of H12 is grade H8; clamping the outer circle of the flange disc, turning the end face, the outer circle and the chamfer of the neck, and cutting the outer circle of the neck
d11h7, reserving allowance on the small end face of the neck, and turning other faces to the required state;
(5) broaching machining: positioning by the large end face of the flange disc and the small diameter of the internal spline, and broaching the internal spline to the requirement;
(6) and (3) pliers processing: removing burrs generated after broaching;
(7) grinding: positioning and clamping a workpiece by using an external spline taper core rod, positioning a central hole of the external spline taper core rod by using a double-thimble of a grinding machine, driving a shifting fork to rotate, and grinding the excircle of the neck part
d11h7 and the small end face of the neck part to the requirement;
(8) and sealing and storing in a warehouse.
Preferably, in the second step, (7) during grinding, the taper of the taper core rod of the external spline is 1: 4000, and the diameter of the small end of the taper core rod is equal to that of the small end of the taper core rod
d62Larger diameter than the inner spline of the connecting flange
DeH7 is 0.03-0.08 mm smaller and the diameter of the big end is
d61Larger diameter than the inner spline of the connecting flange
DeH7 is 0.05 mm-0.1 mm larger, and the jumping amount of the excircle and the center holes at the two ends is IT5 level.
Preferably, in the fourth step, the machining process of the finished part includes:
(1) a collar piece: receiving the semi-finished product of the connecting flange;
(2) turning: installing spline positioner, correcting locating surface, clamping workpiece, and turning flange
Face size L32Turning the outer circle of the flange plate
d32、
d31h8 and L31To the requirements;
(3) drilling: installing spline positioner, correcting locating surface, clamping workpiece and drilling
DmTo the requirements;
(4) and (3) pliers processing: removing burrs;
(5) and sealing and storing in a warehouse.
Preferably, in the fourth step, (2) turning and (3) drilling, the spline positioning device consists of a spline positioning seat, a pressing plate and a bolt, and the spline of the spline positioning seat has a large diameter
d71And the major diameter of the internal spline of the connecting flange
DeThe fit clearance of H7 is H7/f7, and the major diameter of the spline
d71The perpendicularity to the bottom surface is IT6 level, and the parallelism of the positioning end surface and the bottom surface is IT6 level.
Compared with the existing processing method, through the implementation of the invention, the processing of the connecting flange is changed from the original single-piece production to the batch production of the semi-finished products, each series of semi-finished products of the connecting flange are produced and warehoused according to a certain amount, the processing of the connecting flange can be finished in one day as long as the model of the transmission equipment and the butt joint size of the flange disc of the connecting flange are determined, the processing period is greatly shortened, the cost is reduced, and the precision of the internal spline of the neck part of the connecting flange and the position tolerance of the positioning surface of the external circle of the neck part and the positioning surface of the flange disc and the large.
Drawings
FIG. 1 is a schematic structural view of a coupling flange semi-finished product of the present invention;
FIG. 2 is a schematic diagram of the grinding process of the attachment flange semi-finished product of the present invention;
FIG. 3 is a schematic structural view of a finished flange of the present invention;
FIG. 4 is a schematic view of the turning of the finished flange of the present invention;
FIG. 5 is a schematic view of the present invention illustrating the drilling process of the finished flange;
FIG. 6 is a schematic view of an external spline tapered mandrel configuration for use in the present invention;
FIG. 7 is a schematic view of a spline retainer for use with the present invention;
in the figure: 1-spline positioning seat, 2-pressing plate and 3-bolt.
Detailed Description
The invention will be further described with reference to the following drawings and specific examples:
a method of manufacturing a serialized connection flange comprising the steps of:
the method comprises the following steps: based on the size of the neck of the connecting flange, the series are divided according to the size of the flange disc of the connecting flange, each series is assigned with a code, and a semi-finished part drawing of the connecting flange is designed.
Step two: and processing the semi-finished parts of the connecting flange according to the semi-finished part drawing.
Step three: and designing a finished part drawing of the connecting flange according to the type of the transmission equipment required by the demander and the butt joint size of the flange plate of the connecting flange.
Step four: and (5) taking the semi-finished product of the connecting flange, and processing the butt joint size of the flange plates.
The first step is based on the size of the neck of the connecting flange installed by the transmission equipment, and then the series is divided according to the size of the excircle of the flange disc of the connecting flange and the length of the connecting flange, and a semi-finished part drawing is designed.
The semi-finished part in the step two is mainly processed by the following steps: forging a blank, turning, heat treatment, turning, broaching, benching, grinding and warehousing. Broaching is to broach the internal spline, and is finished by broaching once by using a broach, so that the dimensional precision is ensured, the consistency is good, and the processing efficiency is high. And grinding, namely, positioning the taper core rod of the external spline in the major diameter of the internal spline, grinding the excircle and the end face of the neck, and coinciding the positioning reference with the design reference.
The taper of the taper core rod of the external spline is 1: 4000, the small end of the external spline is 0.03-0.08 mm smaller than the large diameter of the internal spline of the connecting flange, and the large end of the external spline is 0.05-0.1 mm larger than the large diameter of the internal spline of the connecting flange.
And step three, when the required type of the transmission equipment and the butt joint size of the flange plate of the connecting flange are determined by the demander, the supplier can determine which type of semi-finished connecting flange to be used for processing and design a finished connecting flange part drawing.
The finished parts in the fourth step mainly comprise the following processing steps: the method comprises the steps of receiving a connecting flange semi-finished product, turning, drilling, performing bench work and warehousing. And the turning is to position by using a spline positioning device and turn the size of the end face and the excircle of the flange plate. And the drilling is to drill a flange disc mounting hole by positioning the drilling hole by using a spline positioning device which is the same as the turning.
The spline positioning device consists of a spline positioning seat, a pressing plate and a bolt, is positioned by the spline large diameter of the spline positioning seat, and has a fit clearance H7/f7 with the spline large diameter in the connecting flange.
Taking the finished connecting flange in fig. 3 as an example, as shown in fig. 1 to 7, a manufacturing method of a series of connecting flanges comprises the following steps:
firstly, based on the size of the neck of the connecting flange for mounting the transmission equipment, dividing the series according to the size of the excircle and the length of the flange plate of the connecting flange. Neck size of connecting flange (internal spline, external circle)
d11h7) And form and position tolerance is determined by the requirements of the joints of the transmission equipment.
The serialized classification method comprises the following steps:
(1) based on the size of the neck of the connecting flange, according to the excircle of the flange
d12Size classification of (1), outer circle of flange
d12The difference is 15 mm-25 mm, and the series of the differences are formed;
(2) l flange length based on flange neck size12Size classification of (1), flange disk length dimension L12The difference of 10 mm-15 mm is a series.
And combining the use amount, wherein when the use amount is large, the phase difference value is small, otherwise, the phase difference value is large. Each series is assigned a semi-finished part code, and a semi-finished part drawing is designed, which is shown in figure 1.
Secondly, processing the semi-finished parts of the connecting flange, as shown in figure 1, and the processing process is as follows:
1. forging: and forging the blank according to the connecting flange semi-finished part drawing.
2. Turning: referring to fig. 1, the allowance of all processing surfaces is 1.0 mm-1.5 mm, and is single-side allowance.
(1) Clamping the excircle of the neck part, and turning the end face, the excircle and the inner hole of the flange plate;
(2) clamping the excircle of the flange disc, and turning the end face and the excircle of the neck.
3. And (3) heat treatment: quenching and tempering according to the requirement to reach the hardness requirement.
4. Turning: see fig. 1.
(1) And (4) clamping the excircle of the neck part, and turning the end face, the excircle and the inner hole of the flange plate. Minor diameter of internal spline
DiThe tolerance tightening of H12 is H8 level, the large end face of the flange disc and the small diameter of the inner spline are completed by one-time clamping, and the verticality tolerance of the large end face and the small diameter of the inner spline is guaranteed to be 7 level;
(2) clamping the outer circle of the flange disc, turning the end face and the outer circle of the neck partAnd chamfering. Outer circle of neck
d11h7, the allowance is 0.15 mm-0.20 mm (single margin), the allowance is 0.20 mm-0.30 mm on the small end face of the neck, and other faces are turned to the requirement.
5. Broaching machining: referring to fig. 1, the large end face of the flange plate and the small diameter of the internal spline are positioned, and the internal spline is broached to the requirement by a broach.
6. And (3) pliers processing: and removing burrs generated after broaching.
7. Grinding: referring to fig. 2, the workpiece is positioned and arranged by the external spline taper core rod, the workpiece is fastened by the taper, the double-thimble of the grinding machine is tightly propped against the central hole of the external spline taper core rod, the shifting fork of the grinding machine drives the core rod and the workpiece to rotate together, and the external circle of the neck part is ground
d11h7 and small end face of neck.
8. And sealing and storing in a warehouse.
Thirdly, designing a finished part drawing of the connecting flange according to the type of the required transmission equipment and the butt joint size of the flange plate of the connecting flange, which is determined by the requirement, and referring to fig. 3, and determining the serial number of the finished part of the connecting flange, namely which serial semi-finished product of the connecting flange is used for processing the finished part of the connecting flange.
Fourthly, machining the finished connecting flange part, as shown in figure 3, wherein the machining process is as follows:
1. a collar piece: and (5) taking the semi-finished product of the connecting flange.
2. Turning, namely mounting a spline positioning device at the main shaft end of the lathe, correcting a positioning surface, clamping a workpiece and turning the end surface dimension of a flange disc L (see figure 4)32Turning the outer circle of the flange plate
d32、
d31h8 and L31And (4) meeting the requirements.
3. Drilling: as can be seen in figure 5 of the drawings,and mounting a spline positioning device on a milling (or boring) machine workbench, and correcting a positioning surface. Clamping work pieces, drilling
DmAnd (4) meeting the requirements.
4. And (3) pliers processing: and removing the burrs.
5. And sealing and storing in a warehouse.
Wherein, the taper of the taper core rod of the external spline is 1: 4000, and the diameter of the small end is
d62Larger diameter than the internal spline of the connecting flange
DeH7 is 0.03-0.08 mm smaller and the diameter of the big end is
d61Larger diameter than the internal spline of the connecting flange
DeH7 is 0.05 mm-0.1 mm larger, and the jumping amount of the excircle and the center holes at the two ends is IT5 level, as shown in figure 6.
The spline positioning device consists of a spline positioning seat 1, a pressing plate 2 and a bolt 3, and the spline of the spline positioning seat has a large diameter
d71And the major diameter of the internal spline of the connecting flange
DeThe fit clearance of H7 is H7/f7, and the major diameter of the spline
d71The perpendicularity to the bottom surface is IT6 level, and the parallelism of the positioning end surface and the bottom surface is IT6 level, as shown in figure 7.
Claims (4)
1. A method of manufacturing a series of attachment flanges, comprising the steps of:
the method comprises the following steps: based on the size of the neck of the connecting flange installed on the transmission equipment, dividing series according to the size of a flange disc of the connecting flange, determining a code for each series, and designing a semi-finished part drawing of the connecting flange;
step two: the processing of the semi-finished parts of the connecting flange comprises,
(1) forging: forging a blank according to the connecting flange semi-finished part drawing;
(2) turning: clamping the excircle of the neck part, turning the end face, the excircle and the inner hole of the flange disc, clamping the excircle of the flange disc, turning the end face and the excircle of the neck part, and reserving allowance for all machined surfaces;
(3) and (3) heat treatment: quenching and tempering according to requirements to reach the hardness requirement;
(4) turning: clamping the external circle of the neck part, turning the end face, the external circle, the internal hole of the flange disc and the small diameter of the internal spline
DiTolerance tightening of H12 is grade H8; clamping the outer circle of the flange disc, turning the end face, the outer circle and the chamfer of the neck, and cutting the outer circle of the neck
d11h7, reserving allowance on the small end face of the neck, and turning other faces to the required state;
(5) broaching machining: positioning by the large end face of the flange disc and the small diameter of the internal spline, and broaching the internal spline to the requirement;
(6) and (3) pliers processing: removing burrs generated after broaching;
(7) grinding: positioning and clamping a workpiece by using an external spline taper core rod, positioning a central hole of the external spline taper core rod by using a double-thimble of a grinding machine, driving a shifting fork to rotate, and grinding the excircle of the neck part
d11h7 and the small end face of the neck part to the requirement;
(8) sealing and storing in a warehouse;
step three: designing a finished part drawing of the connecting flange according to the equipment model of the connecting flange and the butt joint size of a flange disc of the connecting flange;
step four: and processing the connecting flange finished part.
2. A method of manufacturing a seriation of attachment flanges according to claim 1, characterized in that: in the second step, (7) during grinding, the taper of the taper core rod of the external spline is 1: 4000, and the diameter of the small end of the taper core rod is
d62Larger diameter than the inner spline of the connecting flange
DeH7 is 0.03-0.08 mm smaller and the diameter of the big end is
d61Larger diameter than the inner spline of the connecting flange
DeH7 is 0.05 mm-0.1 mm larger, and the jumping amount of the excircle and the center holes at the two ends is IT5 level.
3. A method of manufacturing a seriation of attachment flanges according to claim 1, characterized in that: in the fourth step, the machining process of the finished part comprises the following steps:
(1) a collar piece: receiving the semi-finished product of the connecting flange;
(2) turning, namely mounting a spline positioning device, correcting a positioning surface, clamping a workpiece, and turning the end surface size L of a flange plate32Turning the outer circle of the flange plate
d32、
d31h8 and L31To the requirements;
(3) drilling: installing spline positioner, correcting locating surface, clamping workpiece and drilling
To the requirements;
(4) and (3) pliers processing: removing burrs;
(5) and sealing and storing in a warehouse.
4. A method of manufacturing a seriation of attachment flanges according to claim 3, characterized in that: in the fourth step, (2) turning, (3) when boring and processing, spline positioner comprises spline positioning seat (1), clamp plate (2), bolt (3), and the major diameter of spline positioning seat
d71And the major diameter of the internal spline of the connecting flange
DeThe fit clearance of H7 is H7/f7, and the major diameter of the spline
d71The perpendicularity to the bottom surface is IT6 level, and the parallelism of the positioning end surface and the bottom surface is IT6 level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811216420.8A CN109202383B (en) | 2018-10-18 | 2018-10-18 | Manufacturing method of serialized connecting flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811216420.8A CN109202383B (en) | 2018-10-18 | 2018-10-18 | Manufacturing method of serialized connecting flange |
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| CN109202383A CN109202383A (en) | 2019-01-15 |
| CN109202383B true CN109202383B (en) | 2020-07-21 |
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| CN114131438A (en) * | 2021-12-13 | 2022-03-04 | 烟台安信精密机械有限公司 | Small excircle machining process for flange plate type parts |
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| JPS60227937A (en) * | 1984-04-26 | 1985-11-13 | Musashi Seimitsu Kogyo Kk | Production of clutch piston |
| DE4402163A1 (en) * | 1994-01-26 | 1995-07-27 | Klein Schanzlin & Becker Ag | Fitting housing |
| CN102809006A (en) * | 2012-07-26 | 2012-12-05 | 苏州柏德纳科技有限公司 | Combined flange |
| CN107322239B (en) * | 2017-06-30 | 2019-01-04 | 贵州凯星液力传动机械有限公司 | A kind of processing method of one-way clutch outer ring |
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Address after: 563000 Gaoping Electromechanical Industrial Park, Huichuan District, Zunyi City, Guizhou Province Patentee after: Guizhou Aerospace Kaixing Intelligent Transmission Co.,Ltd. Country or region after: China Address before: 563003 Guizhou Aerospace hi tech Industrial Park, Dalian Road, Huichuan District, Zunyi City, Guizhou Province (Zunyi Park) Patentee before: GUIZHOU WINSTAR HYDRAULIC TRANSMISSION MACHINERY Co.,Ltd. Country or region before: China |