CN212977506U - Thermal-insulated screen panel mills processing frock - Google Patents
Thermal-insulated screen panel mills processing frock Download PDFInfo
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- CN212977506U CN212977506U CN202021548853.6U CN202021548853U CN212977506U CN 212977506 U CN212977506 U CN 212977506U CN 202021548853 U CN202021548853 U CN 202021548853U CN 212977506 U CN212977506 U CN 212977506U
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- bottom plate
- screen panel
- heat insulation
- insulation screen
- pressing
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Abstract
The utility model discloses a thermal-insulated screen panel mills processing frock relates to the precision finishing technical field, for solving this part and milling processing swell groove in-process sheet metal easily not hard up, takes place the problem of aversion and invent. The processing tool comprises a bottom plate and a plurality of pressing strips, wherein the pressing strips are distributed on the bottom plate at intervals along the width direction of the bottom plate; the pressing bar is provided with connecting holes and limiting holes, the connecting holes are arranged at two ends of the pressing bar and are used for being matched with the connecting piece to be connected with the bottom plate, and the limiting holes are uniformly distributed on the pressing bar and are used for being matched with the limiting pieces to prevent the heat insulation screen panel from shifting; the position of the bead on the base plate is turned around as the processing area of the heat insulating panel is changed. When different parts are machined, the press plate is just reversed, and the corresponding flatness requirement and other requirements are aligned and ensured, so that the whole heat insulation screen plate is milled.
Description
Technical Field
The utility model relates to a precision finishing technical field, concretely relates to thermal-insulated screen panel mills processing frock.
Background
The stress heat shield is a typical part in an aircraft engine, and the part has a complex structure, special materials and complicated process and is a typical part in formed parts. The heat shield is generally large in area and thin in thickness, mainly comprises a heat insulation bottom plate, a corrugated heat insulation liner and a pin, and is a thin-wall sheet metal part which is hard in material and long in size, so that a thin plate is easy to loosen and shift in the process of milling a bulging groove.
Disclosure of Invention
In view of this, the utility model aims at providing a thermal-insulated screen panel mills processing frock for solve this part and mill the problem that the sheet metal is easily not hard up, take place to shift in the processing bulge groove process.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a milling tool for a heat insulation screen board comprises a bottom board and a plurality of pressing strips, wherein the pressing strips are distributed on the bottom board at intervals along the width direction of the bottom board; the pressing bar is provided with connecting holes and limiting holes, the connecting holes are arranged at two ends of the pressing bar and are used for being matched with the connecting piece to be connected with the bottom plate, and the limiting holes are uniformly distributed on the pressing bar and are used for being matched with the limiting pieces to prevent the heat insulation screen panel from shifting; the position of the bead on the base plate is turned around as the processing area of the heat insulating panel is changed.
The lower surface of the bottom plate is recessed inwards to form a groove, and a processing hole is formed in the region, located in the groove, of the bottom plate so as to process the back of the heat insulation screen plate; the groove is detachably provided with a cushion block, the cushion block is matched with the groove in size, and the cushion block plays a supporting role in processing the front face of the heat insulation screen board.
The heat-insulating screen panel comprises a base plate, wherein the base plate is arranged between the pressing strip and the heat-insulating screen panel.
The connecting piece is characterized by further comprising a plurality of supporting columns, connecting grooves matched with the connecting pieces are formed in the supporting columns, steps are arranged in the connecting grooves, and therefore the connecting pieces are limited and the connecting pieces are arranged in the connecting grooves.
The connecting piece is an M16 internal hexagonal screw, and the limiting piece is an M6 internal hexagonal screw.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a set up bottom plate and a plurality of layering, for the ease of processing and better spacing thermal-insulated screen panel, the width direction interval distribution of a plurality of layering edge bottom plate is provided with connecting hole and spacing hole on the layering, and the layering passes the connecting hole through the connecting piece and fixes on the bottom plate, still passes spacing hole through the locating part and prevents thermal-insulated screen panel to warp the aversion when processing man-hour. When a bulge groove and a pin groove are milled on the heat insulation screen plate, a plurality of pressing plates are adopted for pressing and positioning, and after the flatness requirement of the thin plate is ensured by multi-point alignment, the area between the pressing plates is milled; when different parts are machined, the whole heat insulation screen panel is milled only by reversing the pressing plate and aligning to ensure the corresponding flatness requirement and other requirements, so that the thin plate is not easy to loosen and shift in the milling process of the heat insulation screen panel.
Drawings
Fig. 1 is a top view of a thermal insulation panel milling tool provided by the present invention;
fig. 2 is a sectional view a-a of fig. 1.
In the figure, 1-bottom plate, 2-layering, 3-connecting piece, 4-spacing piece, 5-backing plate, 6-pillar, 11-groove, 12-processing hole.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides a milling tool for a heat insulation screen board, which is shown in figure 1 and comprises a bottom plate 1 and a plurality of pressing strips 2, wherein the pressing strips 2 are distributed on the bottom plate 1 at intervals along the width direction of the bottom plate 1; the pressing bar 2 is provided with connecting holes and limiting holes, the connecting holes are arranged at two ends of the pressing bar 2 and are used for being matched with the connecting piece 3 to be connected with the bottom plate 1, and the limiting holes are uniformly distributed on the pressing bar 2 and are used for being matched with the limiting piece 4 to prevent the heat insulation screen panel from shifting; the position of the bead 2 on the base plate 1 is turned around as the processing area of the heat insulating panel is changed. When the heat insulation screen board is milled, firstly, the area of the heat insulation screen board between the pressing strips 2 is machined, and then, the position of the pressing strips 2 is adjusted to machine other areas of the heat insulation screen board.
The utility model discloses a set up bottom plate 1 and a plurality of layering 2, for the ease of processing and better spacing thermal-insulated screen panel, a plurality of layering 2 are provided with connecting hole and spacing hole on layering 2 along bottom plate 1's width direction interval distribution on bottom plate 1, and layering 2 passes the connecting hole through connecting piece 3 and fixes on bottom plate 1, still passes spacing hole through locating part 4 and prevents thermal-insulated screen panel to warp the aversion man-hour. When a bulge groove and a pin groove are milled on the heat insulation screen plate, a plurality of pressing plates are adopted for pressing and positioning, and after the flatness requirement of the thin plate is ensured by multi-point alignment, the area between the pressing plates is milled; when different parts are machined, the whole heat insulation screen panel is milled only by reversing the pressing plate and aligning to ensure the corresponding flatness requirement and other requirements, so that the thin plate is not easy to loosen and shift in the milling process of the heat insulation screen panel.
Because thermal-insulated screen panel is very long very big, the various grooves at its front and back have certain positional relationship, if will thermal-insulated screen panel upset come its groove at the back then be difficult to find the processing benchmark, consequently the lower surface of bottom plate 1 is inwards sunken to be formed with recess 11, bottom plate 1 is located be provided with processing hole 12 in the region of recess 11, in order to process the back of thermal-insulated screen panel, so only need overturn the utility model provides a thermal-insulated screen panel mills processing frock can realize the processing to its back groove. Meanwhile, in order not to affect normal milling of the front surface of the heat insulation screen board, a cushion block is detachably arranged in the groove 11, the cushion block is matched with the size of the groove 11, and the cushion block plays a supporting role in processing the front surface of the heat insulation screen board.
In order to reduce the damage of the limiting part 4 to the heat insulation screen panel caused by the impact generated in the milling process, the processing tool comprises a base plate 5, and the base plate 5 is arranged between the pressing strip 2 and the heat insulation screen panel. The backing plate 5 can be made of iron sheet or stainless steel.
When processing the heat shield back, need overturn this processing frock, for the convenience is made level, still includes a plurality of pillar 6, be provided with on the pillar 6 with the spread groove that connecting piece 3 suited, be provided with the step in the spread groove, with spacing connecting piece 3 makes place in the connecting piece 3 in the spread groove. After turning over, only a few of the pressing strips 2 need to be removed, and then the support 6 is replaced at the position, so that the rapid leveling can be realized.
Generally, the connecting member 3 is an M16 internal hexagonal screw, and the position-limiting member 4 is an M6 internal hexagonal screw.
The content of the present invention is not limited to the examples, and any equivalent transformation adopted by the technical solution of the present invention is covered by the claims of the present invention by those skilled in the art through reading the present invention.
Claims (5)
1. The utility model provides a thermal-insulated screen panel mills processing frock which characterized in that: the pressing device comprises a bottom plate (1) and a plurality of pressing strips (2), wherein the pressing strips (2) are distributed on the bottom plate (1) at intervals along the width direction of the bottom plate (1); the pressing strip (2) is provided with connecting holes and limiting holes, the connecting holes are formed in two ends of the pressing strip (2) and used for being matched with the connecting piece (3) to be connected with the bottom plate (1), and the limiting holes are uniformly distributed on the pressing strip (2) and used for being matched with the limiting piece (4) to prevent the heat insulation screen panel from moving; the position of the pressing strip (2) on the bottom plate (1) is turned round along with the change of the processing area of the heat insulation screen board.
2. The heat insulation screen panel milling tool according to claim 1, characterized in that: the lower surface of the bottom plate (1) is inwards recessed to form a groove (11), and a machining hole (12) is formed in the region, located in the groove (11), of the bottom plate (1) so as to machine the back of the heat insulation screen board; the groove (11) is detachably provided with a cushion block, and the cushion block is adaptive to the size of the groove (11).
3. The heat insulation screen panel milling tool according to claim 1, characterized in that: the heat-insulating screen panel is characterized by comprising a base plate (5), wherein the base plate (5) is arranged between the pressing strip (2) and the heat-insulating screen panel.
4. The heat insulation screen panel milling tool according to claim 1, characterized in that: still include a plurality of pillar (6), be provided with on pillar (6) with connecting piece (3) and locating part (4) the compatible spacing groove, the spacing inslot is equipped with the step, with spacing connecting piece (3) and locating part (4) make place in connecting piece (3) and locating part (4) the spacing inslot.
5. The heat insulation screen panel milling tool according to claim 1, characterized in that: the connecting piece (3) is an M16 internal hexagonal screw, and the limiting piece (4) is an M6 internal hexagonal screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021548853.6U CN212977506U (en) | 2020-07-30 | 2020-07-30 | Thermal-insulated screen panel mills processing frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021548853.6U CN212977506U (en) | 2020-07-30 | 2020-07-30 | Thermal-insulated screen panel mills processing frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212977506U true CN212977506U (en) | 2021-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021548853.6U Active CN212977506U (en) | 2020-07-30 | 2020-07-30 | Thermal-insulated screen panel mills processing frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212977506U (en) |
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2020
- 2020-07-30 CN CN202021548853.6U patent/CN212977506U/en active Active
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