CN113634999A - Machining method of integral frame - Google Patents
Machining method of integral frame Download PDFInfo
- Publication number
- CN113634999A CN113634999A CN202110993931.6A CN202110993931A CN113634999A CN 113634999 A CN113634999 A CN 113634999A CN 202110993931 A CN202110993931 A CN 202110993931A CN 113634999 A CN113634999 A CN 113634999A
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- 238000003754 machining Methods 0.000 title claims abstract description 135
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000005553 drilling Methods 0.000 claims abstract description 13
- 238000003466 welding Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000004080 punching Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 238000003672 processing method Methods 0.000 description 13
- 229910052742 iron Inorganic materials 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 244000261422 Lysimachia clethroides Species 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
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Classifications
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- 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
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention provides a method for processing an integral frame, which comprises the following steps: assembling the frame; the integral frame cube is arranged on the clamping table, the position of the integral frame is adjusted, and the integral frame is fixed on the clamping table; installing a dial indicator on the processing machine tool, and measuring the verticality and the parallelism of the integral frame; rough machining is carried out on the flange plate machining surface, the oil cylinder fixing hole machining surface and the steering plate fixing hole machining surface in sequence through a machining tool; drilling the flange plate machining surface, the oil cylinder fixing hole machining surface and the steering plate fixing hole machining surface in sequence by using a machining tool; and (4) performing finish machining on the flange plate machining surface, the oil cylinder fixing hole machining surface and the steering plate fixing hole machining surface in sequence by using a machining tool. The invention ensures the planeness of the flange plate, the pitch of the processing holes, the verticality and the planeness of the whole frame, and ensures the processing size and the processing precision of the frame and the planeness of the frame.
Description
Technical Field
The invention relates to the technical field of frame processing, in particular to a processing method of an integral frame.
Background
In iron and steel enterprises, the logistics transportation and transportation are very critical, not only are directly related to the size of engineering construction investment, but also are closely related to the operation cost of the enterprises, and as the most important logistics in the iron and steel enterprises, the transportation of molten iron is more important, and a reasonable transportation mode and transportation distance can greatly reduce the operation cost of the enterprises and fundamentally improve the competitiveness of products in the market. The method is widely applied to new projects in the future as a novel molten iron transferring mode in the molten iron transferring of two processes of iron making and steel making.
In most domestic steel mills, the following two transportation modes are mainly adopted, namely railway track transportation and trackless automobile transportation. If railway track transportation is adopted, loading and unloading are inconvenient, and the occupied area is large; the trackless transportation is better than the railway track, a large amount of hot metal cars are used in the trackless transportation, and the hot metal cars are used for transporting molten iron; and the hot metal car can be widely used due to the characteristics of flexible operation, convenient operation, high transportation efficiency and the like.
At present, the frames of the common molten iron car are mainly processed in a sectional mode and are assembled together through welding. However, the frame assembled by the method is difficult to ensure the parallelism of the flange plates, so that the quality of the whole frame is increased, and simultaneously, the local stress of the frame is overlarge, the deformation of the frame at the gooseneck is overlarge, and the strength of the welding seam of the frame is low.
Because the frame is bigger, the machine tool that can process in reality is less, and the expense is higher, so generally process the crossbeam alone earlier, weld with the longeron again, this kind of method is because the welding can produce the deformation, can not guarantee the depth of parallelism of all ring flanges and the dimensional accuracy of hydro-cylinder fixed orifices in the steering system, can produce harm to some spare parts in the steering system.
Disclosure of Invention
In view of the above, the invention provides a method for machining an integral frame, and aims to solve the problem that the parallelism between flange plates and the dimensional accuracy of a cylinder fixing hole in a steering system cannot be guaranteed in the existing frame machining.
The invention provides a processing method of an integral frame, which comprises the following steps: assembling, namely assembling the frame to obtain an integral frame; putting the integral frame cube on a clamping table, adjusting the position of the integral frame and fixing the integral frame on the clamping table; positioning and adjusting, namely mounting a dial indicator on a processing machine tool, measuring and adjusting the verticality and the parallelism of the integral frame through the dial indicator, and determining the flange plate processing surface on the integral frame; a machining surface adjusting step, namely measuring the plane of the machining surface of the flange plate, adjusting the plane of the machining surface of the flange plate, and fastening the integral frame after adjustment to enable the integral frame to be firmly fixed on the clamping table; rough machining, namely, sequentially roughly machining the flange plate machining surface, the oil cylinder fixing hole machining surface and the steering plate fixing hole machining surface by a machining tool; drilling, namely drilling the flange plate machining surface, the oil cylinder fixing hole machining surface and the steering plate fixing hole machining surface in sequence by using a machining tool; and a finish machining step, namely after drilling, sequentially performing finish machining on the flange plate machining surface, the oil cylinder fixing hole machining surface and the steering plate fixing hole machining surface by using a machining tool.
Further, after the finishing step, the processing method of the integral frame further comprises the following steps: and a step of putting down the frame, namely polishing the integral frame.
Further, after the finishing step and before the step of lowering the frame, the method for machining the integral frame further comprises the following steps: and adjusting the flatness, namely measuring and adjusting the integral flatness of the integral frame.
Further, after the flatness adjusting step and before the step of lowering the frame, the processing method of the integral frame further comprises the following steps: and a dimension measuring step, namely measuring the machining dimension and the positioning dimension of the integral frame.
Further, in the step of putting the integral frame on the frame, the side of the integral frame, which is far away from the processing machine tool, is limited through a backer, and the bottom of the integral frame is limited and fixed through a clamp and a top block.
Further, in the processing method of the integral frame, the integral frame is supported on the clamping table through the inclined support frame.
Further, in the machining method of the integral frame, in the rough machining step, the drilling step and/or the finish machining step, two machining machines are used for respectively machining positions to be machined on two sides of the integral frame, so that series connection machining is realized.
Further, in the processing method of the integral frame, the rough processing step specifically includes: and punching and drilling threaded holes in the flange plate machining surface, and sequentially punching pin shaft holes in the oil cylinder fixing hole machining surface and the steering plate fixing hole machining surface.
Further, in the processing method of the integral frame, the assembling step specifically includes: and (3) assembling each part of the frame independently, and assembling the parts of the frame together to obtain the integral frame.
Further, in the processing method of the integral frame, in the assembling step, the assembled integral frame is subjected to heat treatment to eliminate welding stress.
According to the processing method of the integral frame, the integral frame is formed by assembling the frame, and integral processing is carried out on the integral frame, namely mounting, fixing, position adjusting and processing are carried out in sequence, so that the flatness of the flange plate, the hole distance of the processing hole, the verticality and the flatness of the integral frame can be ensured, the processing size and the processing precision of the frame and the flatness of the frame are ensured, and the problem that the precision of the flange plate and other holes in the production of the single processing cross beam and the assembly connection of the cross beam and the longitudinal beam in the prior art is difficult to ensure is solved.
Furthermore, the processing method of the integral frame adopts two processing machines to process in series, namely, the structures on the two sides of the frame are processed simultaneously respectively, so that the flatness of the frame can be ensured, and the flatness of the original sectional welding frame cannot be ensured well.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a block flow diagram of a method for manufacturing a unitary frame according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a frame provided in an embodiment of the present invention before machining;
FIG. 3 is a schematic structural diagram of the carriage mounted on the clamping table according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of the frame provided by the embodiment of the invention after being processed.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, it is a flow chart of a method for processing an integral frame according to an embodiment of the present invention. As shown in the figure, the processing method comprises the following steps:
and an assembling step S1, assembling the frame to obtain the integral frame.
Specifically, as shown in fig. 2, the vehicle frame includes: the device comprises a main longitudinal beam 1, a rear cross beam 2, a front cross beam 3, an inclined strut 4, a positioning block 5 and an oil cylinder support 6; firstly, assembling and welding all parts independently, namely assembling and welding a main longitudinal beam 1, a rear cross beam 2, a front cross beam 3, an inclined strut 4, a positioning block 5 and an oil cylinder support 6; then, all components are assembled and welded, namely the main longitudinal beam 1, the rear cross beam 2, the front cross beam 3, the inclined strut 4, the positioning block 5 and the oil cylinder support 6 are assembled and welded to obtain an integral frame shown in figure 1; and finally, after the integral frame is assembled, the integral frame needs to be subjected to heat treatment to eliminate welding stress, and then subsequent processing is carried out. In this embodiment, the frame is of a symmetrical structure for simultaneous machining on both sides.
And a step S2 of putting the integral frame cube on the clamping table, adjusting the position of the integral frame and fixing the integral frame on the clamping table.
Specifically, as shown in fig. 2, the integral frame, i.e., the frame main body, is vertically placed on a clamping table 7, the position of the frame is adjusted, then the frame is fixed by a backrest 8, i.e., the frame is pressed and contacted on one side (the upper side shown in fig. 2) of the integral frame, which is far away from a processing machine tool 9, through the backrest 8, the perpendicularity of the frame is ensured, and the limiting and fixing of the bottom of the integral frame is realized through a clamp 10 and a top block 11; after the frame is compressed tightly, the fastening state is checked, any shaking is not allowed, after the frame is clamped tightly, the inclined support frame and the clamping table 7 can be supported by the inclined support frame, so that the stability of the frame main body is ensured, the shaking in the machining process is facilitated, and the machining accuracy is further ensured. In this embodiment, there may be two processing machines 9 for simultaneously processing and treating both sides of the frame symmetry, i.e. the two processing machines 9 are slidably connected to the rails 15 for independent operation.
And a positioning adjustment step S3, mounting a dial indicator on the processing machine tool, measuring and adjusting the verticality and the parallelism of the integral frame through the dial indicator, and determining the flange plate processing surface on the integral frame.
Specifically, firstly, a dial indicator is installed on the processing machine tool 9, and the verticality and the parallelism of the frame are adjusted; in the present embodiment, a plurality of dial indicators can be respectively arranged on the two processing machines 9 so as to simultaneously perform measurement and adjustment; and then, confirming the flange plate processing surface on the integral frame, ensuring that the allowance of the flange plate processing surface meets the processing requirement, and controlling the integral flatness within 1.5 mm.
And a machining surface adjusting step S4, measuring the plane of the flange machining surface, adjusting the plane of the flange machining surface, and fastening the integral frame after adjustment to make the integral frame firmly fixed on the clamping table.
Specifically, the plane of the required flange plate machining surface is measured, whether the hole allowance meets the machining requirement is checked, and the integral frame is adjusted, so that after the integral frame is adjusted and compressed, the plane of the required flange plate machining surface is ensured to meet the machining requirement, and the integral frame is firmly reinforced.
And a rough machining step S5, wherein the flange plate machining surface, the oil cylinder fixing hole machining surface and the steering plate fixing hole machining surface are subjected to rough machining in sequence through a machining tool.
Specifically, firstly, two machining surfaces of the two flange plates are roughly machined by two machining machines 9 to obtain a step-type structure, and rough milling is carried out until a margin of 0.2mm is reserved so as to facilitate subsequent finish machining and adjustment; then, rough machining is carried out on the machining surfaces of the two oil cylinder fixing holes through two machining tools 9, and rough milling is carried out until a margin of 0.2mm is reserved so as to facilitate subsequent finish machining and adjustment; and finally, rough machining is carried out on the machining surfaces of the two steering plate fixing holes through two machining tools 9 respectively, and a 0.2mm allowance is reserved in rough milling so as to facilitate subsequent finish machining and adjustment.
And a drilling step S6, wherein the flange plate processing surface, the oil cylinder fixing hole processing surface and the steering plate fixing hole processing surface are sequentially drilled through a processing machine tool.
Specifically, firstly, two machining surfaces of the two flange plates are respectively punched by two machining machines 9 and tapped after punching so as to complete machining of threaded holes in the flange plates; then, the two processing surfaces of the oil cylinder fixing holes are respectively punched through the two processing machines 9 so as to finish the processing of the oil cylinder fixing holes; finally, two machining surfaces of the steering plate fixing holes are punched through the two machining machines 9 respectively so as to finish machining of the steering plate fixing holes.
And a finish machining step S7, wherein after the hole is drilled, the flange plate machining surface, the oil cylinder fixing hole machining surface and the steering plate fixing hole machining surface are subjected to finish machining in sequence by a machining tool.
Specifically, after drilling is finished, the frame can be measured, and particularly, a flange plate machining surface, an oil cylinder fixing hole machining surface and a steering plate fixing hole machining surface are subjected to finish machining; the two flange machining faces may be first finished by two machining tools 9 to obtain eight flange planes 12 as shown in fig. 4; then, the two oil cylinder fixing hole processing surfaces are subjected to finish machining through two machining tools 9 to obtain an oil cylinder fixing hole plane 13 shown in fig. 4; finally, the two machining surfaces of the steering plate fixing hole are finished by two machining tools 9, respectively, to obtain a steering plate fixing hole plane 14 as shown in fig. 4.
And a flatness adjusting step S8, wherein the overall flatness of the integral frame is measured and adjusted.
Specifically, the overall flatness of the vehicle frame is measured again, and, for example, a plurality of machining processes are adjusted until the overall flatness thereof is acceptable.
And a dimension measuring step S9, measuring the machining dimension and the positioning dimension of the integral frame.
And after the machining, measuring and adjusting key dimensions such as machining dimension and positioning dimension on the frame according to the precision requirement of a drawing, and after the machining is qualified, putting down the frame, namely, dismounting the integral frame from the clamping table.
And a step S10 of putting down the frame, wherein the integral frame is polished.
Specifically, burrs and the like of the vehicle frame are polished.
As shown in fig. 3, the tool for the integral frame processing construction is a clamping table 7, on which a clamp 10 and a top block 11 are arranged for clamping the frame; and, the clamping platform 7 is also provided with a position-adjustable backrest 8 to be pressed against and contacted with one side of the frame, so that the frame is prevented from inclining or shaking. The clamping table 7 is also provided with an inclined support frame to further strengthen the stability of the frame. The clamping table 7 is arranged on one side of a guide rail 15 of the processing machine tool 9 so as to be matched with the processing machine tool to process the frame.
In summary, according to the processing method of the integral frame provided by this embodiment, the integral frame is formed by assembling the frame, and integral processing is performed on the integral frame, that is, installation, fixation, position adjustment, and processing are sequentially performed, so that the flatness of the flange plate, the hole pitch of the processed holes, and the verticality and flatness of the integral frame can be ensured, the size and precision of frame processing and the flatness of the frame are ensured, and the problem that the precision of the flange plate and other holes in the production of the separately processed cross beam and the assembly connection of the cross beam and the longitudinal beam in the prior art is difficult to ensure is solved.
Furthermore, the processing method of the integral frame adopts two processing machines to process in series, namely, the structures on the two sides of the frame are processed simultaneously respectively, so that the flatness of the frame can be ensured, and the flatness of the original sectional welding frame cannot be ensured well.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The machining method of the integral frame is characterized by comprising the following steps of:
assembling, namely assembling the frame to obtain an integral frame;
putting the integral frame cube on a clamping table, adjusting the position of the integral frame and fixing the integral frame on the clamping table;
positioning and adjusting, namely mounting a dial indicator on a processing machine tool, measuring and adjusting the verticality and the parallelism of the integral frame through the dial indicator, and determining the flange plate processing surface on the integral frame;
a machining surface adjusting step, namely measuring the plane of the machining surface of the flange plate, adjusting the plane of the machining surface of the flange plate, and fastening the integral frame after adjustment to enable the integral frame to be firmly fixed on the clamping table;
rough machining, namely, sequentially roughly machining the flange plate machining surface, the oil cylinder fixing hole machining surface and the steering plate fixing hole machining surface by a machining tool;
drilling, namely drilling the flange plate machining surface, the oil cylinder fixing hole machining surface and the steering plate fixing hole machining surface in sequence by using a machining tool;
and a finish machining step, namely after drilling, sequentially performing finish machining on the flange plate machining surface, the oil cylinder fixing hole machining surface and the steering plate fixing hole machining surface by using a machining tool.
2. The method of manufacturing a one-piece frame according to claim 1, further comprising, after said finishing step, the steps of:
and a step of putting down the frame, namely polishing the integral frame.
3. The method of manufacturing a one-piece frame according to claim 2, further comprising, after said finishing step and before said subframe lowering step, the steps of:
and adjusting the flatness, namely measuring and adjusting the integral flatness of the integral frame.
4. The method for processing the integral frame according to claim 3, further comprising the following steps after the flatness adjusting step and before the step of lowering the frame:
and a dimension measuring step, namely measuring the machining dimension and the positioning dimension of the integral frame.
5. The method for manufacturing a one-piece vehicle frame according to any one of claims 1 to 4,
and in the step of putting the integral frame on the frame, one side of the integral frame, which deviates from the processing machine tool, is limited through a backer, and the bottom of the integral frame is limited and fixed through a clamp and a top block.
6. The method of manufacturing a one-piece frame as claimed in claim 5, wherein said one-piece frame is supported on said clamping table by a cross brace.
7. The method for manufacturing a one-piece vehicle frame according to any one of claims 1 to 4,
in the rough machining step, the drilling step and/or the finish machining step, two machining machines are used for respectively machining positions to be machined on two sides of the integral frame so as to realize serial machining.
8. The method for machining the integral frame according to any one of claims 1 to 4, wherein the rough machining step specifically comprises:
and punching and drilling threaded holes in the flange plate machining surface, and sequentially punching pin shaft holes in the oil cylinder fixing hole machining surface and the steering plate fixing hole machining surface.
9. The method for machining the integral frame according to any one of claims 1 to 4, wherein the assembling step specifically comprises:
and (3) assembling each part of the frame independently, and assembling the parts of the frame together to obtain the integral frame.
10. The method for manufacturing a one-piece vehicle frame according to any one of claims 1 to 4,
in the assembling step, the assembled integral frame is subjected to heat treatment to eliminate welding stress.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110993931.6A CN113634999B (en) | 2021-08-27 | 2021-08-27 | Processing method of integral frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110993931.6A CN113634999B (en) | 2021-08-27 | 2021-08-27 | Processing method of integral frame |
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| CN113634999A true CN113634999A (en) | 2021-11-12 |
| CN113634999B CN113634999B (en) | 2023-11-21 |
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| CN115365769A (en) * | 2022-08-29 | 2022-11-22 | 重庆水轮机厂有限责任公司 | Machining and assembling method for wind tunnel laboratory gate guide frame |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113634999B (en) | 2023-11-21 |
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