CN113695856B - Processing method of rear connecting seat and rear connecting seat - Google Patents
Processing method of rear connecting seat and rear connecting seat Download PDFInfo
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- CN113695856B CN113695856B CN202111057394.0A CN202111057394A CN113695856B CN 113695856 B CN113695856 B CN 113695856B CN 202111057394 A CN202111057394 A CN 202111057394A CN 113695856 B CN113695856 B CN 113695856B
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- 238000003672 processing method Methods 0.000 title claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 25
- 238000012795 verification Methods 0.000 claims abstract description 7
- 238000003801 milling Methods 0.000 claims description 21
- 238000003754 machining Methods 0.000 claims description 16
- 238000013461 design Methods 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000005553 drilling Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 3
- 238000000465 moulding Methods 0.000 abstract description 4
- 238000012797 qualification Methods 0.000 abstract description 4
- 238000005266 casting Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D3/00—Steering gears
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses a processing method of a rear connecting seat and the rear connecting seat, wherein the processing method comprises S1 scribing verification and S2 forming processing which are sequentially carried out; a rear connection base of a five degree of freedom steering mechanism, comprising: a bottom plate for supporting the whole; the left support part and the right support part are respectively fixed on the top surface of the bottom plate at intervals; the left support part is provided with a threaded through hole A with a large inside and a small outside and a step type for connection; the right support part is provided with a threaded through hole B with a large inner part and a small outer part for connection, and the threaded through hole A and the threaded through hole B coaxially correspond. The rear connecting seat obtained by the processing method ensures the aperture sizes of the threaded through holes A and B which are correspondingly positioned at the left supporting part and the right supporting part and have the large inside and the small outside, and improves the qualification rate of the rear connecting seat part after the molding processing.
Description
Technical Field
The invention relates to a rear connecting seat and a processing method thereof, belonging to the technical field of rear connecting seat processing and rear connecting seat.
Background
An all-terrain vehicle used in complex environments such as water and land, wherein a rear connecting seat is used in a steering system in some connecting modes, a blank of the rear connecting seat is cast by adopting low-carbon high-strength alloy steel, and the shape of the blank is similar to the structure of a part after casting and forming, and the structure is a reverse simply supported beam; the interval of the supporting parts at two ends is longer after the blank casting molding, the coaxiality control difficulty is high, meanwhile, step holes are required to be machined on the inner sides of the supporting parts, the inner sides are large and the outer sides are small, when a boring machine is used for machining from one end by adopting an lengthened boring bar, the machining steps are complex and tedious because the cantilever state of the boring bar is longer, the aperture error generated by boring the molded part is large, the part is shown in fig. 1, and the qualification rate of the machined part is low.
Disclosure of Invention
In order to solve the technical problems, the invention provides a processing method of a rear connecting seat and the rear connecting seat.
The invention is realized by the following technical scheme.
The invention provides a processing method of a rear connecting seat, which comprises the following steps:
and (5) sequentially carrying out S1 scribing verification and S2 forming processing.
S1, marking and verifying, namely mainly determining the accuracy of a blank through marking and removing unqualified parts; determining a rough machining reference, and establishing a reference for subsequent machining; and S2, forming, namely mainly completing the drawing forming processing of each part.
The step of S1 scribing verification specifically comprises the following steps in sequence:
s1-1: the adjustable supporting and adjusting surface Aa of the blank is utilized, the bottom surface of the bottom plate is referred to, and the machining allowance of each size of Ba, ca and Ga of the left supporting part and the right supporting part, the end face size of Fa and the sizes of Da and Ea are ensured;
s1-2: then, the blank direction is changed for placement, an adjustable support is adopted to adjust Cb point, and the size lines Da and Ea are marked by the angle square by the graph, so that the sizes Ab and Bb are verified.
The S2 forming processing step specifically comprises the following steps in sequence:
s2-1: leveling an Aa reference surface, leveling the size of the marked line Fa, compacting two ends of a blank workpiece, and milling a Bc surface to form a process reference surface;
s2-2: turning over a workpiece, leveling a machined Bc reference surface by adopting a contour iron, milling a Dd surface, and polishing the Dd surface by adopting a grinding wheel after finishing the machining, wherein the Dd surface is rectangular, the diameter of a face milling cutter disc is limited, deformation and cutter connection marks are generated in the milling process, the problems that errors are generated in the subsequent process due to positioning, rust is generated in the cutter connection marks during installation and the like are avoided; meanwhile, the positioning square hole in the middle of processing is qualified to the Ad and Cd sizes of the design drawing and is used as a correction standard for subsequent processing, and the positioning square hole is formed to be qualified to the design drawing;
s2-3: leveling a reference surface formed by the Dd surface, correcting the marked central line, milling the right end surface of the Da size, namely the right end surface of the right supporting part, and processing threaded holes Ae, ca holes, he thread bottom holes, thread relief grooves and Ie holes; reversely boring He holes and Ie holes on the opposite sides of the machine tool spindle by using a boring cutter; simultaneously boring the right end face of the Ea size, namely the left end face of the right supporting part, forming the threaded through hole B with the large inside and the small outside until the design of the drawing is qualified, but not processing threads in the threaded through hole B;
the workbench rotates 180 degrees, a left end face of Da size, namely a left end face of a left supporting part is milled, ke threaded holes, fe holes, ba threaded bottom holes, thread relief grooves and Ga holes are processed, meanwhile, an Ee size left end face, namely a right end face of the left supporting part is bored, at the moment, a large-inside-outside threaded through hole A is molded to be qualified to the design of a drawing, but the threaded through hole A is not processed, and during processing, the coaxiality of the threaded through hole A and the threaded through hole B is ensured by utilizing the precision of a machine tool, and meanwhile, the height L size of the Ke threaded holes and the threaded holes Ae is ensured;
s2-4: the positioning boss is matched with the Ad and Cd of the square positioning hole in size and is fixed at the center of a machine tool workbench, the indexable single-edge thread milling cutter of the numerical control horizontal milling and boring machine is used for milling the threads of the thread through hole A and the thread through hole B, and the step-shaped thread through hole A and the step-shaped thread through hole B with large inner parts and small outer parts are formed at the moment.
S2-5: the drill jig is positioned and fixed by utilizing the positioning square holes, the Bc reference surface is leveled, the guide through holes on the drill jig are utilized to carry out drilling and cutting in a diagonal mutual crossing sequence, so that the step through holes are formed, the step through holes surround the two sides of the left support part and the right support part, and during drilling and cutting, the diagonal mutual crossing sequence of the guide through holes positioned at the left support part and the right support part is carried out, so that the deformation of the prior machining dimension due to incomplete stress release is avoided.
The invention provides a rear connecting seat, which comprises:
a bottom plate for supporting the whole;
the left support part and the right support part are respectively fixed on the top surface of the bottom plate at intervals;
the left support part is provided with a threaded through hole A with a large inside and a small outside and a step type for connection; the right support part is provided with a threaded through hole B with a large inner part and a small outer part for connection, and the threaded through hole A and the threaded through hole B coaxially correspond.
The bottom plate positioned between the left supporting part and the right supporting part is provided with a positioning square hole; the peripheries of the left support part and the right support part are respectively provided with a plurality of step through holes in a step shape.
The invention has the beneficial effects that: the rear connecting seat obtained by the processing method ensures the aperture sizes of the threaded through holes A and B which are correspondingly positioned at the left supporting part and the right supporting part and have the large inside and the small outside, and improves the qualification rate of the rear connecting seat part after the molding processing.
Drawings
FIG. 1 is a schematic view of the structure of the rear connecting seat of the present invention;
FIG. 2 is a front cross-sectional view of the rear connector blank of the present invention, with S1-1 score lines;
FIG. 3 is a right side view of the rear connector blank of the present invention, scored S1-1;
FIG. 4 is a state diagram of the rear connecting seat blank of the invention for S1-2 scribing;
FIG. 5 is a front view of the FIG. 4 state;
FIG. 6 is a front cross-sectional view of the rear connector blank of the present invention being processed S2-1;
FIG. 7 is a top view of the FIG. 6 condition;
FIG. 8 is a front view of the rear connector blank of the present invention being subjected to S2-2 machining;
FIG. 9 is a top view of the FIG. 8 state;
FIG. 10 is a front cross-sectional view of the rear connector blank of the present invention being subjected to S2-3 machining;
FIG. 11 is a right side view of the FIG. 10 state;
FIG. 12 is a front cross-sectional view of the rear connector blank of the present invention being processed S2-4;
FIG. 13 is a top view of the FIG. 12 state;
FIG. 14 is a schematic view showing the state of S2-5 machining of the rear connecting seat blank according to the present invention;
fig. 15 is a front view of the state of fig. 14;
in the figure: 1-a bottom plate; 11-positioning square holes; 12-step through holes; 2-left support part; 3-right support part; 21-a threaded through hole a; 31-a threaded through hole B; 4-positioning a boss; 5-drilling a die; 51-guiding through holes.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the above.
See fig. 2-15.
The invention discloses a processing method of a rear connecting seat, which comprises the following steps:
and two main steps of S1 scribing verification and S2 forming processing are sequentially carried out.
S1, marking and verifying, namely mainly determining the accuracy of a blank through marking and removing unqualified parts; determining a rough machining reference, and establishing a reference for subsequent machining; and S2, forming, namely mainly completing the drawing forming processing of each part.
The step of S1 scribing verification specifically comprises the following steps in sequence:
s1-1: as shown in fig. 2 and 3, with the adjustable support adjustment surface Aa of the blank, referring to the bottom surface of the bottom plate 1, the machining margins of the sizes Ba, ca, ga of the left support portion 2 and the right support portion 3, and the end face sizes Fa and Da, ea sizes are ensured;
s1-2: then, the direction of the blank is changed, as shown in the directions of fig. 4 and 5, the adjustable support is adopted to adjust the Cb point, and the sizes of Ab and Bb shown in fig. 5 are verified by using the angle square along the lines of Da and Ea drawn in fig. 2.
The S2 forming processing step specifically comprises the following steps in sequence:
s2-1: as shown in fig. 6 and 7, leveling the reference plane Aa shown in fig. 6, namely the Aa plane in fig. 2 and 3, leveling the dimension of the marked line Fa in fig. 7, pressing the two ends of the blank workpiece, and milling the Bc plane, namely the top plane of the bottom plate 1 in fig. 1, so as to form a process reference plane;
s2-2: turning over a workpiece, as shown in fig. 8, leveling a machined Bc reference surface by adopting a contour iron, milling a Dd surface, namely, the bottom surface of the bottom plate 1 in fig. 1, wherein the Dd surface is polished by adopting a grinding wheel after finishing the machining, because the Dd surface is rectangular, the diameter of a face milling cutter disc is limited, deformation and cutter mark connection can be generated in the milling process, and the problems of error caused by positioning, rust generated in the cutter mark connection during installation and the like are avoided; meanwhile, the positioning square hole 11 in the middle of processing is qualified to the Ad and Cd sizes of the design drawing, and is used as a correction reference for subsequent processing, as shown in FIG. 9, and the positioning square hole 11 is molded to be qualified to the design drawing;
s2-3: as shown in fig. 10 and 11, the reference surface formed by the Dd surface is leveled, the center line drawn in fig. 4 and 5 is corrected, and the right end surface of Da size, that is, the right end surface of the right support portion 3 in fig. 1 is milled, and the threaded holes Ae, ca holes, he thread bottom holes, and thread relief grooves, ie holes are machined; reversely boring He holes and Ie holes on the opposite sides of the machine tool spindle by using a boring cutter; simultaneously boring the right end face of the Ea size, namely the left end face of the right supporting part 3 in FIG. 1, forming the threaded through hole B31 with the large inner part and the small outer part until the design of the drawing is qualified, but not processing threads in the threaded through hole B31;
the workbench rotates 180 degrees, a left end face of Da size is milled, namely, the left end face of a left supporting part 2 in FIG. 1 is processed, ke threaded holes, fe holes, ba threaded bottom holes, thread relief grooves and Ga holes are processed, meanwhile, the left end face of Ee size is bored, namely, the right end face of the left supporting part 2 in FIG. 1 is bored, at the moment, a threaded through hole A21 with large inner and small outer is molded to be qualified to the design of a drawing, but the threaded through hole A21 is not processed, during processing, the coaxiality of the threaded through hole A21 and the threaded through hole B31 is ensured by utilizing the precision of a machine tool, and meanwhile, the height L size of the Ke threaded holes and the threaded holes Ae is ensured;
s2-4: as shown in fig. 12 and 13, the positioning boss 4 is matched with the Ad and Cd dimensions of the square positioning hole 11, and is fixed at the center of the machine tool workbench, and the threaded through hole a21 and the threaded through hole B31 are subjected to thread milling by using an indexable single-edge thread milling cutter of a numerical control horizontal milling and boring machine, so that the threaded through hole a21 and the threaded through hole B31 with large steps and small steps are formed.
S2-5: as shown in fig. 14 and 15, the jig 5 is positioned and fixed by using the positioning square holes 11, the Bc reference surface is leveled, and the guide through holes 51 at the total 14 on the jig 5 are used for drilling and cutting, so that the step through holes 12 are formed, and the guide through holes 51 at the left support part 2 and the right support part 3 are diagonally crossed and sequentially processed when drilling and cutting because the step through holes 12 surround both sides of the left support part 2 and the right support part 3, thereby avoiding the deformation of the dimension due to incomplete pre-processing of the stress release.
The rear connecting seat obtained by the processing method ensures the aperture sizes of the threaded through holes A21 and B31 which are correspondingly positioned at the left support part 2 and the right support part 3 and have the large inside and the small outside, and improves the qualification rate of the rear connecting seat part after the molding processing.
See fig. 1.
The invention provides a rear connecting seat, which comprises:
a bottom plate 1 for supporting the whole;
a left supporting part 2 and a right supporting part 3 which are fixed on the top surface of the bottom plate 1 by adopting integrated casting at intervals respectively;
the left support part 2 is provided with a threaded through hole A21 with a large inside and a small outside and a step type for connection; the right support part 3 is provided with a threaded through hole B31 with a large inside and a small outside for connection, and the threaded through hole A21 and the threaded through hole B31 coaxially correspond.
The bottom plate 1 positioned between the left support part 2 and the right support part 3 is provided with a positioning square hole 11; the peripheries of the left support part 2 and the right support part 3 are respectively provided with a plurality of step through holes 12 for connection.
Claims (7)
1. The processing method of the rear connecting seat is characterized by comprising the following steps of:
sequentially carrying out S1 scribing verification and S2 forming processing;
the step of S1 scribing verification comprises S1-1: the adjustable supporting and adjusting surface Aa of the blank is utilized, the bottom surface of the bottom plate (1) is referred to, and the machining allowance of each size of Ba, ca and Ga of the left supporting part (2) and the right supporting part (3), the end face size of Fa and the size of Da and Ea are ensured;
step S1-2 is also performed after said S1-1: the blank direction arrangement in the step S1-1 is changed, an adjustable support is adopted to adjust a Cb point, and the sizes of Ab and Bb are verified by using an angle square along the line of Da and Ea;
the S2 forming processing step comprises the following steps of S2-1: leveling the Aa reference surface, leveling the size of the marked line Fa, pressing two ends of a blank workpiece, and milling the Bc surface.
2. The method of manufacturing a rear connection socket according to claim 1, wherein the step S2-1 is further performed with step S2-2: turning over a workpiece, leveling a processed Bc reference surface by adopting a contour iron, milling a Dd surface, and polishing the Dd surface by adopting a grinding wheel; meanwhile, the positioning square hole (11) in the middle of processing is qualified to the Ad and Cd sizes of the design drawing, and at the moment, the positioning square hole (11) is molded to be qualified to the design drawing.
3. The method of manufacturing a rear connection socket according to claim 2, wherein the step S2-2 is further performed with the step S2-3 of: leveling a reference surface formed by the Dd surface, correcting the marked central line, milling the right end surface of the Da size, namely the right end surface of the right supporting part (3), and processing a threaded hole Ae, a Ca hole, a He threaded bottom hole, a threaded relief groove and an Ie hole; reversely boring He holes and Ie holes on the opposite sides of the machine tool spindle by using a boring cutter; simultaneously boring the right end face of the Ea size, namely the left end face of the right supporting part (3), forming the threaded through hole B (31) with the large inner part and the small outer part until the design of the drawing is qualified, but not processing threads in the threaded through hole B (31);
the workbench rotates 180 degrees, a left end face of Da size is milled, namely, a left end face of a left supporting part (2), ke threaded holes, fe holes, ba threaded bottom holes, thread relief grooves and Ga holes are machined, meanwhile, an Ee size left end face, namely, a right end face of the left supporting part (2) is bored, at the moment, a threaded through hole A (21) with large inner and small outer is molded to be qualified to a drawing design, but the threaded through hole A (21) is not machined, and during machining, the coaxiality of the threaded through hole A (21) and the threaded through hole B (31) is guaranteed by utilizing machine tool precision, and meanwhile, the height L size of the Ke threaded holes and the threaded holes Ae is guaranteed.
4. A method of manufacturing a rear connection socket according to claim 3, wherein step S2-4 is further performed in S2-3: the positioning boss (4) is matched with the Ad and Cd of the square positioning hole (11) in size and is fixed at the center of a machine tool workbench, the indexable single-edge thread milling cutter of the numerical control horizontal milling and boring machine is used for milling the threads of the threaded through hole A (21) and the threaded through hole B (31), and the threaded through hole A (21) and the threaded through hole B (31) with the large steps and the small steps are formed completely.
5. The method of claim 4, wherein the step S2-5 is further performed in S2-4: positioning and fixing the drill jig (5) by utilizing the positioning square holes (11), leveling the Bc reference surface, and drilling and cutting in a diagonal and mutually crossed sequence by utilizing the guide through holes (51) on the drill jig (5) so as to form the step through holes (12).
6. A rear connection socket obtained by using the processing method according to any one of claims 1 to 5, characterized by comprising:
a bottom plate (1) for supporting the whole;
a left supporting part (2) and a right supporting part (3) which are respectively fixed on the top surface of the bottom plate (1) at intervals;
the left support part (2) is provided with a threaded through hole A (21) with a large inside and a small outside for connection; the right support part (3) is provided with a threaded through hole B (31) with a large inner part and a small outer part for connection, and the threaded through hole A (21) and the threaded through hole B (31) coaxially correspond.
7. The rear connecting seat according to claim 6, characterized in that the bottom plate (1) between the left support part (2) and the right support part (3) is provided with a positioning square hole (11); the peripheries of the left support part (2) and the right support part (3) are respectively provided with a plurality of step through holes (12) with steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111057394.0A CN113695856B (en) | 2021-09-09 | 2021-09-09 | Processing method of rear connecting seat and rear connecting seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111057394.0A CN113695856B (en) | 2021-09-09 | 2021-09-09 | Processing method of rear connecting seat and rear connecting seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113695856A CN113695856A (en) | 2021-11-26 |
| CN113695856B true CN113695856B (en) | 2024-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111057394.0A Active CN113695856B (en) | 2021-09-09 | 2021-09-09 | Processing method of rear connecting seat and rear connecting seat |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0659678U (en) * | 1993-01-18 | 1994-08-19 | センチュリィ リッチ インダストリアル リミッテッド | Ball valve connecting seat that can convert manual operation to automatic operation |
| CN105290713A (en) * | 2014-05-29 | 2016-02-03 | 中信重工机械股份有限公司 | Manufacturing process of large polyhedron box component |
| CN106493511A (en) * | 2015-09-08 | 2017-03-15 | 徐州中材装备重型机械有限公司 | A kind of manufacture method of grate-cooler hydraulic cylinders bearing |
| CN207414716U (en) * | 2017-10-12 | 2018-05-29 | 西安北方光电科技防务有限公司 | It is a kind of to be used for auxiliary clamp of the material for the lopsided trestle component of aluminum alloy materials |
-
2021
- 2021-09-09 CN CN202111057394.0A patent/CN113695856B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0659678U (en) * | 1993-01-18 | 1994-08-19 | センチュリィ リッチ インダストリアル リミッテッド | Ball valve connecting seat that can convert manual operation to automatic operation |
| CN105290713A (en) * | 2014-05-29 | 2016-02-03 | 中信重工机械股份有限公司 | Manufacturing process of large polyhedron box component |
| CN106493511A (en) * | 2015-09-08 | 2017-03-15 | 徐州中材装备重型机械有限公司 | A kind of manufacture method of grate-cooler hydraulic cylinders bearing |
| CN207414716U (en) * | 2017-10-12 | 2018-05-29 | 西安北方光电科技防务有限公司 | It is a kind of to be used for auxiliary clamp of the material for the lopsided trestle component of aluminum alloy materials |
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| Publication number | Publication date |
|---|---|
| CN113695856A (en) | 2021-11-26 |
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