CN111590122A - Application method of processing clamping device for screen display diffraction supporting component - Google Patents
Application method of processing clamping device for screen display diffraction supporting component Download PDFInfo
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- CN111590122A CN111590122A CN202010437806.2A CN202010437806A CN111590122A CN 111590122 A CN111590122 A CN 111590122A CN 202010437806 A CN202010437806 A CN 202010437806A CN 111590122 A CN111590122 A CN 111590122A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000003801 milling Methods 0.000 claims abstract description 37
- 238000003825 pressing Methods 0.000 claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 230000032683 aging Effects 0.000 claims abstract description 22
- 230000035882 stress Effects 0.000 claims abstract description 12
- 238000003754 machining Methods 0.000 claims description 36
- 238000004026 adhesive bonding Methods 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims 1
- 230000009191 jumping Effects 0.000 claims 1
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000004806 packaging method and process Methods 0.000 abstract description 2
- 238000005266 casting Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
-
- 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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
-
- 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
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- 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
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/084—Work-clamping means other than mechanically-actuated using adhesive means
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/78—Combined heat-treatments not provided for above
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
Abstract
A screen display diffraction support component processing clamping device using method, wherein a clamping base is arranged on a workbench, a padding block is arranged on the clamping base, and a component blank is arranged on the padding block; before processing the component blank, firstly carrying out two-wheel high-low temperature aging heat treatment on the component blank, and then sequentially carrying out milling processing and rough processing with large allowance; semi-finishing and finish milling the component blank, dismantling the pressing plate after finish milling, taking down the component blank after finish milling as a finished product of the screen display diffraction supporting component for packaging, and finishing the processing of the screen display diffraction supporting component; the screen display diffraction support component can avoid internal stress to a great extent, reduce part deformation, ensure the mutual matching and relative positions of parts, ensure the precision after long-term use, improve the processing quality stability of modified parts and ensure that a pilot can accurately observe, identify and control by carrying out pre-heat treatment on a blank state.
Description
Technical Field
The invention relates to the use of a screen display diffraction part machining clamping device, in particular to a use method of a screen display diffraction supporting part machining clamping device.
Background
At present, a screen is placed in front of an aircraft cabin by a modern head-up display, important information is displayed to a pilot in an intuitive form of images, characters and the like, the pilot controls flight information and equipment thereof through positioned data, and the pilot can observe and identify the relevant important information by simultaneously observing the front and holding the relevant important information together; the screen display diffraction support component has the advantages that during machining through a machine tool, due to the fact that the structure is complex, the material has the telescopic characteristic after being subjected to temperature change, during machining, stress inside the screen display diffraction support component is not completely released, deformation is generated during machining, the matching accuracy and the position size of the screen display diffraction support component and the connecting component are poor, when the screen display diffraction support component deforms, the positioning accuracy of the connecting component for screen display diffraction is affected, the problems are difficult and complicated symptoms which are always solved in the same industry, the deformation of the screen display diffraction support component affects information received and transmitted by the connecting component, observation, identification and control of a pilot are directly affected, and in view of the reasons, the use method of the screen display diffraction support component machining clamping device is provided.
Disclosure of Invention
The invention aims to overcome the problems that the existing screen display diffraction supporting component has a flexible characteristic after being subjected to temperature change due to a complex structure in the process of machining by a machine tool, the stress inside the screen display diffraction supporting component is not completely released during machining, deformation is generated during machining, the mutual matching accuracy and position size of the screen display diffraction supporting component and a connecting component are poor, and the like; the use method of the processing and clamping device for the screen display diffraction supporting component is provided through reasonable design; the screen display diffraction support component can avoid the internal stress generated during blank casting to a great extent by carrying out pre-heat treatment on the blank state, and avoids the internal stress processing in the subsequent working procedure processing; the blank is released from the processing stress, and the consistency of the sizes of the parts is ensured. And (5) reserving the margin of 0.3mm minus 0.5mm for the single side of the surface and the hole by semi-finishing. The blank is subjected to secondary semi-finishing, and the smaller the allowance in final finishing is, the better the stability of the whole part processing is; the finish machining is a key process, firstly, the machine tool needs to be preheated for more than 2 hours, the whole machine tool is ensured to be in a stable state, the structure is simple, the manufacture is easy, the machining cost is low, and the installation on an airplane is also convenient. The screen display diffraction support component reduces part deformation through hundreds of processing experiences, can ensure the mutual matching and relative positions of parts, can ensure the precision after long-term use, improves the processing quality stability of modified parts, and ensures that a pilot can accurately observe, recognize and control the parts.
The invention aims to realize the purpose, adopts the following technical scheme that the screen display diffraction supporting component processing and clamping device is used and comprises a clamping base, a heightening block, a base T-shaped lug, a component blank, a component side hinge lug seat, a workbench, a pressing plate, a bolt, a standard heightening block, an adhesive bonding point, a blank bottom surface, a front inclined plane, a rear inclined plane, a side surface, a blank base surface and a bottom hinge lug seat; a clamping base is arranged on the workbench, a padding block is arranged on the clamping base, and a component blank is arranged on the padding block; the lower end of the component blank is set as a blank base surface, the upper end of the component blank is set as a blank bottom surface, the right end of the component blank is set as a front inclined surface, the left end of the component blank is set as a rear inclined surface, and two sides of the component blank are set as a pair of side surfaces; a pair of base T-shaped lugs are symmetrically arranged on two sides of the rear part of the clamping base, a pair of component side hinge lug seats are symmetrically arranged on two sides of the rear part below the pair of side surfaces, and the pair of component side hinge lug seats and the pair of base T-shaped lugs are arranged in an up-and-down corresponding mode; a pair of bottom hinge lug seats are symmetrically arranged on two sides of the upper surface of the right end of the bottom surface of the blank;
the middle parts of the T-shaped lugs of the pair of bases are symmetrically reserved with position spaces for installing the pressing plates, screw holes are reserved in the middle parts of the position spaces, bolts are arranged in the screw holes, the pressing plates are arranged on the upper parts of the bolts, nuts are arranged at the upper ends of the bolts, a standard heightening block is arranged at one end of the outer side of each pressing plate, and a component side hinge lug seat of a component blank is arranged at the other end of the outer; at least two pairs of adhesive bonding points are arranged between the two symmetrical sides of the front part of the blank base surface and the joint between the block-up blocks;
before the component blank is processed, the component blank is subjected to a first round of high-low temperature aging heat treatment, the high-low temperature aging heat treatment is divided into two rounds, and each round of high-low temperature aging heat treatment is performed twice; the first round is that the vacuum high-low temperature furnace is opened through the first high-low temperature aging heat treatment, when the temperature is raised to 150 ℃, the component blank is put into the vacuum high-temperature furnace at 150 ℃ for heat preservation for one hour, the component blank is taken out after being uniformly heated and is transferred into a low-temperature box at minus 55 ℃ for low temperature preservation for 1 hour, and the component blank is respectively put into the vacuum high-temperature furnace at 150 ℃ and the low-temperature box at minus 55 ℃ for treatment as follows: high-low temperature treatment; and (3) circularly carrying out high-low temperature treatment twice on the component blank according to the high-low temperature treatment method, and releasing or eliminating the internal stress of the component blank after the high-low temperature treatment twice.
After the part blank is subjected to high-low temperature treatment twice, a pair of bottom hinge lug seats of the part blank is made out, the bottom surface of the part blank is placed on a padding block at the center of a worktable for positioning, after the part blank is positioned, nuts on bolts at two sides are respectively rotated to rotate a downward pressing plate to press and fix the part blank, and after the part blank is clamped and fixed, a large allowance is reserved on a blank base surface of the part blank through a machine tool for milling;
after milling of a blank base surface is finished, the blank base surface of the component blank is turned downwards, the downward two ends of the component blank are clamped and fixed with the component side hinge lug seat through the standard block through the rotation of a nut on a bolt and the downward two ends of the component blank respectively, and the bottom surface, the front inclined surface, the rear inclined surface and the side surface of the component blank are milled and processed for the first time through a machine tool; the first milling comprises the following steps: and (5) rough machining.
After rough machining is finished through large allowance machining outside the machine tool machining part blank, the pressing plates on two sides of the part blank are removed, the part blank is subjected to a second round of high-low temperature aging heat treatment according to a round of high-low temperature aging heat treatment method, and the second round of high-low temperature aging heat treatment of the part blank is as follows: and (5) stabilizing the component blank.
After the stabilization treatment of the part blank is finished, the repeated part blank is placed on the heightening block for positioning, clamping and fixing again, the part blank is processed by a machine tool to be semi-finished, and the allowance of 0.3mm to 0.5mm is reserved on the outer surface and the single edge of the hole of the part blank after the semi-finished.
After the semi-finish machining of the component blank is finished, the component blank is subjected to finish machining of a screen display diffraction supporting component product through a machine tool, before the finish machining of the product is carried out, the machine tool is preheated, the bottom surface of the blank of the semi-finished component blank is positioned downwards, the downward two ends of a bolt are positioned, clamped and fixed with the bottom of the component blank through a standard heightening block through the rotation of a nut on a bolt, and the base surface of the blank is subjected to finish milling through the machine tool; the flatness of the base surface of the blank after finish milling is less than 0.01 mm;
after the milling of the blank base surface is finished, the pressing plate is removed, the blank base surface of the turnover part blank is placed downwards on the heightening block for positioning again, and the fine milling is carried out through the standard heightening block and the part side hinge lug seat respectively through the downward two ends of the pressing plate by the rotation of a nut on the bolt; during finish milling, positioning a component blank, wherein the flatness of the component blank is less than 0.01mm, the front plane is less than 0.01mm, positioning is carried out, a dial indicator is pressed at four corners of the component blank, a nut on a bolt rotates slowly, a pressing plate gradually presses the component blank downwards, and the component blank is stopped when the jump of the dial indicator is not more than 0.01 mm; after the component blank is observed, positioned, clamped and fixed, a machine tool carries out finish milling on the bottom surface, the front inclined plane, the rear inclined slope surface and the side surface of the blank of the component blank through small tool allowance, the pressing plate is detached after the finish milling is finished, the component blank after finish milling is taken down to be a finished product of the screen display diffraction supporting component for packaging, and the processing of the screen display diffraction supporting component is finished.
Has the advantages that: the screen display diffraction support component can avoid the internal stress generated during blank casting to a great extent by carrying out pre-heat treatment on the blank state, and avoids the internal stress processing in the subsequent working procedure processing; the blank is released from the processing stress, and the consistency of the sizes of the parts is ensured. And (5) reserving the margin of 0.3mm minus 0.5mm for the single side of the surface and the hole by semi-finishing. The blank is subjected to secondary semi-finishing, and the smaller the allowance in final finishing is, the better the stability of the whole part processing is; the finish machining is a key process, firstly, the machine tool needs to be preheated for more than 2 hours, the whole machine tool is ensured to be in a stable state, the structure is simple, the manufacture is easy, the machining cost is low, and the installation on an airplane is also convenient. The screen display diffraction support component reduces part deformation through hundreds of processing experiences, can ensure the mutual matching and relative positions of parts, can ensure the precision after long-term use, improves the processing quality stability of modified parts, and ensures that a pilot can accurately observe, recognize and control the parts.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic perspective view of the assembly;
FIG. 2 is a schematic rear view of the structure of FIG. 1;
FIG. 3 is a side view schematic of the structure of FIG. 1;
in fig. 1, 2, 3: the method comprises the steps of clamping a base 1, a heightening block 2, a base T-shaped lug 3, a part blank 4, a part side hinge lug seat 5, a workbench 6, a pressing plate 7, bolts 8, a standard heightening block 9, an adhesive bonding point 10, a blank bottom surface 11, a front inclined surface 12, a rear inclined surface 13, a side surface 14, a blank base surface 15 and a bottom hinge lug seat 16.
Detailed Description
The present invention will be described in further detail with reference to the following examples and embodiments:
example 1
A clamping base 1 is arranged on the workbench 6, a padding block 2 is arranged on the clamping base 1, and a component blank 4 is arranged on the padding block 2; a blank base surface 15 is arranged below the component blank 4, a blank bottom surface 11 is arranged above the component blank 4, a front inclined surface 12 is arranged at the right end of the component blank 4, and a rear inclined surface 13 is arranged at the left end of the component blank 4; a pair of side surfaces 14 are arranged at two sides of the component blank 4; a pair of base T-shaped lugs 3 are symmetrically arranged on two sides of the rear part of the clamping base 1, a pair of component side hinge lug seats 5 are symmetrically arranged on two sides of the rear part below the pair of side surfaces 14, and the pair of component side hinge lug seats 5 and the pair of base T-shaped lugs 3 are arranged in an up-and-down corresponding mode; a pair of bottom hinge lug seats 16 are symmetrically arranged on two sides of the upper side of the right end of the blank bottom surface 11;
the middle parts of the T-shaped lugs 3 of the pair of bases are symmetrically reserved with position spaces for installing the pressing plates, screw holes are reserved in the middle parts of the position spaces, bolts 8 are arranged in the screw holes, the pressing plates 7 are arranged on the upper parts of the bolts 8, nuts are arranged at the upper ends of the bolts 8, standard block-up blocks 9 are arranged at one ends of the outer sides of the pressing plates 7, and part side hinge lug seats 5 of part blanks 4 are arranged at the other ends of the outer sides of the pressing; at least two pairs of adhesive bonding points 10 are arranged between the two symmetrical sides of the front part of the blank base surface 15 and the joint between the block-ups 2;
before the component blank 4 is processed, the component blank 4 is subjected to a first round of high-low temperature aging heat treatment, the high-low temperature aging heat treatment is divided into two rounds, and each round of high-low temperature aging heat treatment is performed twice; the first round is that the vacuum high-low temperature furnace is opened through the first high-low temperature aging heat treatment, when the temperature is raised to 150 ℃, the component blank 4 is put into the 150 ℃ vacuum high-temperature furnace for heat preservation for one hour, the component blank 4 is uniformly heated and then taken out to be transferred into a minus 55 ℃ low-temperature box for low temperature preservation for 1 hour, and the component blank 4 is respectively put into the 150 ℃ vacuum high-temperature furnace and the minus 55 ℃ low-temperature box for treatment as follows: high-low temperature treatment; the component blank 4 is circularly treated at high and low temperatures for two times according to the high and low temperature treatment method, and the internal stress of the component blank 4 after the two times of high and low temperature treatment is released or eliminated;
example 2
After the component blank 4 is subjected to high-low temperature treatment twice, a pair of bottom hinge lug seats 16 of the component blank 4 are set aside, a blank bottom surface 11 of the component blank 4 is placed on the heightening block 2 at the center of the surface of the workbench 6 for positioning, after the component blank 4 is positioned, nuts on bolts 8 on two sides are respectively rotated to rotate and downwards press a pressing plate 7 to press and fix the component blank 4, and after the component blank 4 is clamped and fixed, a large allowance is reserved for a base surface blank 15 of the component blank 4 for milling processing through a machine tool;
after the milling of the blank base surface 15 is finished, the blank base surface 15 of the component blank 4 is turned downwards, the downward two ends of the bolt 8 are clamped and fixed with the component side hinge lug seat 5 through the standard block 9 by the rotation of the nut on the bolt 7, and the blank bottom surface 11, the front inclined surface 12, the rear inclined surface 13 and the side surface 14 of the component blank 4 are milled for the first time by a machine tool; the first milling comprises the following steps: and (5) rough machining.
Example 3
After rough machining is finished through large allowance machining outside the machine tool machining part blank 4, the pressing plates 7 on two sides of the part blank 4 are removed, the part blank 4 is subjected to second round high-low temperature aging heat treatment according to a round high-low temperature aging heat treatment method, and the second round high-low temperature aging heat treatment of the part blank 4 is as follows: and (4) stabilizing the component blank 4.
After the stabilization treatment of the part blank 4 is finished, the repeated part blank 4 is placed on the heightening block 2 for positioning, clamping and fixing again, the part blank 4 is processed by a machine tool for semi-finishing, and the allowance of 0.3mm to 0.5mm is reserved on the outer surface and the single side of the hole of the part blank 4 after the semi-finishing.
Example 4
After the semi-finishing of the component blank 4 is finished, the component blank 4 is subjected to the finish machining of a screen display diffraction supporting component product through a machine tool, before the finish machining of the product, the machine tool is preheated, the blank bottom surface 11 of the semi-finished component blank 4 is positioned downwards, the downward two ends of a pressing plate 7 are positioned, clamped and fixed with the bottom of the component blank 4 through a standard heightening block 9 through the rotation of a nut on a bolt 8, and a blank base surface 15 is subjected to the finish milling through the machine tool; the flatness of the blank base surface 15 after finish milling is less than 0.01 mm;
after the milling of the blank base surface 15 is finished, the pressing plate 7 is removed, the blank base surface 15 of the turnover part blank 4 is placed downwards on the heightening block 2 for positioning again, and the fine milling is carried out through the standard heightening block 9 and the part side hinge lug seat 5 respectively through the downward two ends of the pressing plate 7 by the rotation of the nut on the bolt 8; during finish milling, the component blank 4 is positioned, the flatness of the component blank 4 is smaller than 0.01mm, the front plane is smaller than 0.01mm for positioning, the dial indicator is pressed at four corners of the component blank 4, the nut on the bolt 8 rotates slowly, the pressing plate 7 gradually presses the component blank 4 downwards, and the component blank is stopped when the jump of the dial indicator is not larger than 0.01 mm; after the component blank 4 is observed, positioned, clamped and fixed, a machine tool carries out finish milling on the blank bottom surface 11, the front inclined surface 12, the rear inclined slope surface 13 and the side surface 14 of the component blank 4 through small tool allowance, the pressing plate 7 is removed after the finish milling is finished, the component blank 4 after the finish milling is taken down and packaged as a finished product of the screen display diffraction supporting component, and the processing of the screen display diffraction supporting component is finished.
Claims (4)
1. A using method of a screen display diffraction supporting component machining clamping device comprises a clamping base (1), a padding block (2), a base T-shaped lug (3), a component blank (4), a component side hinge lug seat (5), a workbench (6), a pressing plate (7), a bolt (8), a standard padding block (9), an adhesive bonding point (10), a blank bottom surface (11), a front inclined plane (12), a rear inclined plane (13), a side surface (14), a blank base surface (15) and a bottom hinge lug seat (16); the method is characterized in that: a clamping base (1) is arranged on the workbench (6), a padding block (2) is arranged on the clamping base (1), and a component blank (4) is arranged on the padding block (2); a blank base surface (15) is arranged below the component blank (4), a blank bottom surface (11) is arranged above the component blank (4), a front inclined surface (12) is arranged at the right end of the component blank (4), a rear inclined surface (13) is arranged at the left end of the component blank (4), and a pair of side surfaces (14) is arranged at two sides of the component blank (4); a pair of base T-shaped lugs (3) are symmetrically arranged on two sides of the rear part of the clamping base (1), a pair of component side hinge lug seats (5) are symmetrically arranged on two sides of the rear part below the pair of side surfaces (14), and the pair of component side hinge lug seats (5) and the pair of base T-shaped lugs (3) are arranged in an up-and-down corresponding mode; a pair of bottom hinge lug seats (16) are symmetrically arranged on two sides of the upper side of the right end of the blank bottom surface (11);
the middle parts of the T-shaped lugs (3) of the pair of bases are symmetrically reserved with position spaces for installing the pressing plates, screw holes are reserved in the middle parts of the position spaces, bolts (8) are arranged in the screw holes, the pressing plates (7) are arranged on the upper parts of the bolts (8), nuts are arranged at the upper ends of the bolts (8), standard block-up blocks (9) are arranged at one ends of the outer sides of the pressing plates (7), and part side hinge lug seats (5) of part blanks (4) are arranged at the other ends of the outer sides of the pressing; at least two pairs of adhesive bonding points (10) are arranged between the two symmetrical sides of the front part of the blank base surface (15) and the joint between the heightening blocks (2);
before the component blank (4) is processed, the component blank (4) is subjected to a first round of high-low temperature aging heat treatment, the high-low temperature aging heat treatment is divided into two rounds, and each round of high-low temperature aging heat treatment is performed twice; the first round is that the vacuum high-low temperature furnace is opened through the first high-low temperature aging heat treatment, when the temperature is raised to 150 ℃, the component blank (4) is put into the 150 ℃ vacuum high-temperature furnace for heat preservation for one hour, the component blank (4) is uniformly heated and then taken out to be transferred into a minus 55 ℃ low-temperature box for heat preservation for 1 hour at low temperature, and the component blank (4) is respectively put into the 150 ℃ vacuum high-temperature furnace and the minus 55 ℃ low-temperature box for treatment: high-low temperature treatment; the component blank (4) is circularly treated with high and low temperature twice according to the high and low temperature treatment method, and the internal stress of the component blank (4) after the high and low temperature treatment twice is released or eliminated.
2. The use method of the screen display diffraction support component machining clamping device according to claim 1, is characterized in that: after the component blank (4) is subjected to high-low temperature treatment twice, a pair of bottom hinge lug seats (16) of the component blank (4) is made out, the blank bottom surface (11) of the component blank (4) is placed on the heightening block (2) in the center of the surface of the workbench (6) for positioning, after the component blank (4) is positioned, nuts on bolts (8) on two sides are respectively rotated to rotate and downwards press a pressing plate (7) to press and fix the component blank (4), and after the component blank (4) is clamped and fixed, a large allowance is reserved for a blank base surface (15) of the component blank (4) for milling processing through a machine tool;
after the milling of the blank base surface (15), the blank base surface (15) of the component blank (4) is turned downwards, the downward two ends of the component blank (4) are clamped and fixed with the component side hinge lug seat (5) through the standard block (9) through the rotation of a nut on a bolt (8) and the downward two ends of a pressing plate (7), and the blank bottom surface (11), the front inclined surface (12), the rear inclined surface (13) and the side surface (14) of the component blank (4) are milled for the first time through a machine tool; the first milling comprises the following steps: and (5) rough machining.
3. The use method of the screen display diffraction support component machining clamping device according to claim 1, is characterized in that: after rough machining is finished through large allowance machining outside the machine tool machining part blank (4), the pressing plates (7) on two sides of the part blank (4) are removed, the part blank (4) is subjected to second round of high-low temperature aging heat treatment according to a round of high-low temperature aging heat treatment method, and the second round of high-low temperature aging heat treatment of the part blank (4) is as follows: stabilizing the component blank (4);
after the part blank (4) is stabilized, the repeated part blank (4) is placed on the heightening block (2) to be positioned, clamped and fixed again, the part blank (4) is machined through a machine tool to be semi-finished, and the outer surface and the single edge of the hole of the part blank (4) after semi-finished are reserved with a margin of 0.3mm to 0.5mm respectively.
4. The use method of the screen display diffraction support component machining clamping device according to claim 1, is characterized in that: after the semi-finish machining of the component blank (4) is finished, the component blank (4) is subjected to finish machining of a screen display diffraction supporting component product through a machine tool, before the product is finished, the machine tool is preheated, the blank bottom surface (11) of the semi-finished component blank (4) is positioned downwards, the downward two ends of a bolt (8) rotate through a nut on a pressing plate (7), the downward two ends of the bolt and the bottom of the component blank (4) are positioned, clamped and fixed through a standard heightening block (9), and a blank base surface (15) is subjected to finish milling through the machine tool; the flatness of the blank base surface (15) after finish milling is less than 0.01 mm;
after the milling of the blank base surface (15), the pressing plate (7) is removed, the blank base surface (15) of the turnover part blank (4) is placed downwards on the heightening block (2) for positioning again, and the nut on the bolt (8) rotates to perform finish milling through the standard heightening block (9) and the part side hinge lug seat (5) through the downward two ends of the pressing plate (7) respectively; during finish milling, positioning a component blank (4), wherein the flatness of the component blank (4) is less than 0.01mm, the front plane is less than 0.01mm, positioning is carried out, a dial indicator is pressed at four corners of the component blank (4), a nut on a bolt (8) rotates slowly, a pressing plate (7) gradually presses the component blank (4) downwards, and the component blank is stopped when the jumping of the dial indicator is observed to be not more than 0.01 mm; after the component blank (4) is observed, positioned and clamped and fixed, a machine tool carries out finish milling on the blank bottom surface (11), a front inclined plane (12), a rear inclined slope surface (13) and a side surface (14) of the component blank (4) respectively through small cutting allowance, a pressing plate (7) is removed after the finish milling is finished, the component blank (4) after the finish milling is taken down and packaged as a finished screen display diffraction supporting component, and the processing of the screen display diffraction supporting component is finished.
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| CN111590122B (en) | 2024-04-16 |
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