CN111016032A - Forming device for stringer part pressure loss experiment workpiece and application thereof - Google Patents
Forming device for stringer part pressure loss experiment workpiece and application thereof Download PDFInfo
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- CN111016032A CN111016032A CN201911179527.4A CN201911179527A CN111016032A CN 111016032 A CN111016032 A CN 111016032A CN 201911179527 A CN201911179527 A CN 201911179527A CN 111016032 A CN111016032 A CN 111016032A
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- stringer
- metal frame
- limiting
- stringer part
- pressure loss
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- 238000002474 experimental method Methods 0.000 title claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 60
- 238000003825 pressing Methods 0.000 claims abstract description 11
- 239000011347 resin Substances 0.000 claims description 20
- 229920005989 resin Polymers 0.000 claims description 20
- 238000012360 testing method Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000004382 potting Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C39/10—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
Abstract
The invention discloses a forming device for a stringer part pressure loss experiment workpiece and application thereof, wherein the device comprises a base, a support frame, a cross beam, a metal frame limiting device and a stringer part limiting device; the number of the supporting frames is at least two, and the supporting frames are fixed on the base; the metal frame limiting device and the stringer part limiting device are both fixed on the base and positioned between the two supporting frames; two ends of the cross beam are connected with two support frames and can move up and down along the support frames; and a pressing block is arranged below the cross beam and used for pressing and fixing the stringer parts. Thereby inject the stringer part accuracy in the metal frame, effectively solved manual location, embedment pressure loss finished piece terminal surface depth of parallelism, the poor problem of straightness that hangs down, and this device is equipped with the duplex position, can effectively improve embedment efficiency, has higher practicality.
Description
Technical Field
The invention relates to a forming device for a pressure loss experiment workpiece of a stringer part and application thereof.
Background
In order to verify the deviation between the theoretical pressure loss strength and the actual pressure loss strength of the omega-shaped stringer and the T-shaped stringer, an experimental part for testing the pressure loss strength needs to be prepared, and the experimental part for testing the pressure loss of the stringer needs to be fixed in a metal frame by injecting glue at two ends of the omega-shaped stringer and the T-shaped stringer when being prepared. At present, the positions of omega-shaped and T-shaped lengths in a metal frame are adjusted in a visual inspection and manual mode, the positioning mode without an auxiliary tool has large error and poor repeatability, glue injection operation is complex in visual inspection and manual positioning modes, time and labor are consumed, and the manufactured workpiece has low yield. Therefore, there is a need for a device for forming a stringer pressure loss test piece, so as to improve the forming quality and the manufacturing efficiency of the stringer pressure loss test piece.
Disclosure of Invention
Aiming at the existing problems, the invention provides a forming device for omega-shaped and T-shaped stringer pressure loss experimental parts and application thereof, and aims to solve the problems of large visual measurement positioning forming error, poor repeatability and the like of the traditional pressure loss parts. The specific technical scheme is as follows:
the invention provides a forming device for a stringer part pressure loss experiment workpiece, which comprises a base, a support frame, a cross beam, a metal frame limiting device and a stringer part limiting device, wherein the base is provided with a support frame; the number of the supporting frames is at least two, and the supporting frames are fixed on the base; the metal frame limiting device and the stringer part limiting device are both fixed on the base and positioned between the two supporting frames; two ends of the cross beam are connected with two support frames and can move up and down along the support frames; and a pressing block is arranged below the cross beam and used for pressing and fixing the stringer parts.
According to the forming device for the pressure loss experiment workpiece of the stringer part, the metal frame limiting devices and the stringer part limiting devices are two sets and are symmetrically arranged on the base.
Preferably, the metal frame limiting device comprises an L-shaped limiting block and a plurality of fastening clips; the stringer part limiting device comprises an upright post and a horizontal limiting block fixed on the upright post; the stand is located L type stopper open-ended dorsal part, the fastening clip is located L type stopper opening side for compress tightly fixed metal frame.
Preferably, the upright columns of the stringer part limiting device are made of square steel pipes; the horizontal limiting blocks comprise a left limiting block, a right limiting block, a front limiting block and a rear limiting block; the left and right limiting blocks are two and are in long strip shapes and are symmetrically arranged, one ends of the left and right limiting blocks are arranged on two opposite side surfaces of the upright post, and the other ends of the left and right limiting blocks point to one side provided with the metal frame limiting device at the same time and are used for clamping the stringer parts to prevent the stringer parts from moving left and right; the front and rear limiting blocks are also in a long strip shape, the length of the front and rear limiting blocks is shorter than that of the left and right limiting blocks, and the front and rear limiting blocks are vertically installed on one surface of the upright column, which is just opposite to the metal frame limiting device, and are used for limiting the front and rear displacement of the stringer parts.
Preferably, the left and right limiting blocks are fixed on the upright post through a butterfly bolt and can rotate around the butterfly bolt.
In the forming device for the pressure loss test workpiece of the stringer part, the supporting frames are provided with sliding grooves in the vertical direction, and the cross beam is connected with the two supporting frames through the sliding grooves; the supporting frame is further provided with a plurality of pin bolt holes in the vertical direction, and the two ends of the cross beam are also provided with the pin bolt holes so that the height of the fixed cross beam can be adjusted through the pin bolts.
Preferably, the support frame and the metal frame limiting device are fixed on the base through screws.
According to the forming device for the pressure loss experiment workpiece of the stringer part, the upper end of the support frame is further provided with the fixed cross beam for reinforcing the support frame.
The invention further provides a using method for manufacturing the stringer part pressure loss experimental part by using the forming device, which comprises the following steps:
a) installing a metal frame: the fastening clamp is opened, then the metal frame is placed on the inner surface of the L-shaped limiting block, and the fastening clamp is pushed up to clamp the metal frame;
b) installing stringer parts: placing the stringer part in the metal frame in the step a), and limiting and fixing the horizontal position of the stringer part through a left limiting block, a right limiting block, a front limiting block and a rear limiting block;
c) compressing stringer parts: sliding the cross beam downwards along the sliding groove to enable the pressing block to be tightly pressed at the upper end of the stringer part in the step b) to prevent the stringer part from moving up and down;
d) encapsulating: slowly injecting the uniformly mixed and defoamed resin solution into the metal frame in the step b) from two sides, and potting and fixing the metal frame at one end of the stringer part after the resin solution is solidified; and then taking down the stringer part, turning over the whole body, and repeating the steps a) to d), wherein the other end of the stringer part is also encapsulated in another metal frame through resin, so that the pressure loss experimental part of the stringer part is obtained.
Preferably, in step a), in order to prevent the resin solution from leaking, a sealing strip is used to seal the micro gap between the metal frame and the base.
The invention has the beneficial effects that:
compared with the prior art, the invention has at least the following advantages: 1) the positioning precision of the part before resin encapsulation is ensured through linkage and limiting of the positioning device, and the fixing of the weight block in the vertical direction ensures that the pressure loss part does not generate position deviation in the resin encapsulation process, the manufacturing precision of the pressure loss part is improved, and the repeatability is strong; 2) the device adopts the design of duplex position, can carry out the embedment of resin simultaneously and control, has improved manufacturing efficiency greatly.
Drawings
FIG. 1 is a schematic structural view of a device for forming a stringer component part for a pressure loss test according to the present invention;
FIG. 2 is a schematic view of the construction of the metal frame retainer and stringer component retainer of the present invention;
FIG. 3 is a schematic view of the assembly of the inventive apparatus with stringer components;
FIG. 4 is a schematic view of the process of potting stringer components to a metal frame according to the present invention.
In the figure: 1. a base; 2. a support frame; 3. a cross beam; 4. a metal frame limiting device; 41. an L-shaped limiting block; 42. a fastening clip; 5. stringer component spacing means; 51. a column; 52. a horizontal limiting block; 521. a left and a right limiting blocks; 522. front and rear limiting blocks; 6. briquetting; 7. stringer components; 8. a metal frame; 9. a butterfly bolt; 10. a chute; 11. a pin hole; 12. a pin; 13. a screw; 14. fixing the cross beam; 15. sealing rubber strips; 16. and (3) resin.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the present embodiment, belong to the protection scope of the present invention.
Example 1
The embodiment provides a forming device for a pressure loss experiment workpiece of a stringer part, as shown in fig. 1 and 2, the forming device comprises a base 1, a support frame 2, a cross beam 3, a metal frame limiting device 4 and a stringer part limiting device 5; the number of the supporting frames 2 is at least two, and the supporting frames are fixed on the base 1; the metal frame limiting device 4 and the stringer part limiting device 5 are both fixed on the base 1 and located between the two support frames 2; two ends of the cross beam 3 are connected with the two support frames 2 and can move up and down along the support frames 2; be equipped with briquetting 6 below the crossbeam 3 for compress tightly long purlin part 7 fixedly, guaranteed the positioning accuracy of part before the resin embedment, guaranteed that the pressure loss finished piece does not take place offset at the embedment in-process of resin, improved the manufacturing accuracy of pressure loss finished piece, repeated strong operability. In addition, the forming device of stringer part pressure loss experiment finished piece described in this embodiment, metal frame stop device 4 and stringer part stop device 5 are two sets of its symmetry setting on base 1. Namely, the double-station design is adopted, the resin can be encapsulated and controlled simultaneously, and the manufacturing efficiency is greatly improved.
In this embodiment, in the device for forming a stringer component pressure loss experimental component, the metal frame limiting device 4 includes an L-shaped limiting block 41 and a plurality of fastening clips 42; the stringer part limiting device 5 comprises a vertical column 51 and a horizontal limiting block 52 fixed on the vertical column 51; the upright 51 is located on the open back side of the L-shaped stopper 41, and the fastening clip 42 is located on the open side of the L-shaped stopper 41 and used for pressing and fixing the metal frame 8. The upright post 51 of the stringer part limiting device 5 is made of a square steel pipe; the horizontal limiting block 52 comprises a left limiting block 521, a right limiting block 521, a front limiting block 522 and a rear limiting block 522; the left and right limiting blocks 521 are two and are both long-strip-shaped and symmetrically arranged, one ends of the left and right limiting blocks are arranged on two opposite side surfaces of the upright post 51, and the other ends of the left and right limiting blocks are both directed to one side provided with the metal frame limiting device 4 and used for clamping the stringer parts 7 to prevent the stringer parts from moving left and right; the front and rear limiting blocks 522 are also long-strip-shaped, the length of the front and rear limiting blocks is shorter than that of the left and right limiting blocks 521, and the front and rear limiting blocks are vertically installed on one surface, facing the metal frame limiting device 4, of the upright post 51 and used for limiting the front and rear displacement of the stringer part 7. To facilitate the installation of the stringer components 7, the left and right stoppers 521 are fixed to the uprights 51 by the wing bolts 9 and are rotatable about the wing bolts 9 to clamp or release the stringer components 7.
In addition, in the forming device for the stringer component compression test piece in the embodiment, the supporting frames 2 are provided with sliding grooves 10 in the vertical direction, and the cross beam 3 is connected with the two supporting frames 2 through the sliding grooves 10; still be equipped with a plurality of round pin bolt holes 11 along vertical direction on the support frame 2, 3 both ends of crossbeam also all are equipped with round pin bolt hole 11 to adjust fixed beam 3's height through round pin bolt 12, thereby make stringer part 7 spacing on vertical direction, firm installation is difficult for removing when the embedment, guarantees that its location in metal frame 8 is accurate.
In this embodiment, forming device of stringer part pressure loss experiment finished piece, support frame 2 and metal frame stop device 4 are all fixed on base 1 through screw 13, are convenient for update and maintain. Secondly, the forming device of stringer part pressure loss experiment finished piece, the upper end of support frame 2 still is equipped with fixed cross beam 14 for consolidate support frame 2, guarantee the steadiness of whole device.
Example 2
The embodiment provides a method for using a forming device for a stringer part pressure loss test part, wherein the forming device of embodiment 1 is used for manufacturing the stringer part pressure loss test part, and the method comprises the following steps:
a) installing a metal frame: the fastening clips 42 are opened, then the metal frame 8 is placed on the inner surface of the L-shaped limiting block 41, the fastening clips 42 are pushed up to clamp the metal frame 8, and the position of the metal frame 8 is guaranteed to be fixed.
b) Installing stringer parts: placing the stringer part 7 in the metal frame 8 in step a), and limiting and fixing the horizontal position of the stringer part 7 by the left and right limiting blocks 521 and the front and rear limiting blocks 522, namely ensuring the relative position of the stringer part 7 in the metal frame 8.
c) Compressing stringer parts: and (c) sliding the cross beam 3 downwards along the sliding groove 10, so that the pressing block 6 is pressed at the upper end of the stringer part 7 arranged in the step b, the vertical displacement of the stringer part 7 is prevented, and the position of the stringer part 7 is ensured not to be filled with the resin 16.
d) Encapsulating: b, slowly injecting the uniformly mixed and defoamed resin solution into the metal frame 8 in the step b from two sides, and potting and fixing the metal frame 8 at one end of the stringer part 7 after the resin solution is solidified; in order to prevent the resin solution from leaking, the sealing strip 15 may be used to seal the micro-gap between the metal frame 8 and the base 1. And after one end is filled and sealed, taking down the stringer part 7, turning the whole body, repeating the steps a to d, filling and sealing the other end of the stringer part 7 in another metal frame 8 through resin 16, and thus obtaining the pressure loss test part of the stringer part, as shown in fig. 3 and 4.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. Furthermore, it should be understood that the above description is only one preferred embodiment of the present invention, and is not intended to limit the present invention in any way, as those skilled in the art may change or modify the equivalent embodiments using the technical disclosure described above. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a forming device of stringer part pressure loss experiment finished piece which characterized in that: comprises a base (1), a support frame (2), a cross beam (3), a metal frame limiting device (4) and a stringer part limiting device (5); at least two support frames (2) are fixed on the base (1); the metal frame limiting device (4) and the stringer part limiting device (5) are fixed on the base (1) and located between the two supporting frames (2); two ends of the cross beam (3) are connected with the two support frames (2) and can move up and down along the support frames (2); and a pressing block (6) is arranged below the cross beam (3) and used for pressing and fixing the stringer part (7).
2. The device for forming a stringer part pressure loss test piece according to claim 1, wherein: the metal frame limiting devices (4) and the stringer part limiting devices (5) are two sets and are symmetrically arranged on the base (1).
3. The device for forming a stringer part pressure loss test piece according to claim 1 or 2, wherein: the metal frame limiting device (4) comprises an L-shaped limiting block (41) and a plurality of fastening clips (42); the stringer part limiting device (5) comprises an upright post (51) and a horizontal limiting block (52) fixed on the upright post (51); the upright post (51) is positioned at the back side of an opening of the L-shaped limiting block (41), and the fastening clip (42) is positioned at the opening side of the L-shaped limiting block (41) and used for pressing and fixing the metal frame (8).
4. The device for forming a stringer part pressure loss test piece according to claim 3, wherein: the upright post (51) of the stringer part limiting device (5) is made of a square steel pipe; the horizontal limiting blocks (52) comprise a left limiting block (521), a right limiting block (521) and a front limiting block (522); the left and right limiting blocks (521) are two and are in a long strip shape and are symmetrically arranged, one ends of the left and right limiting blocks are arranged on two opposite side surfaces of the upright post (51), and the other ends of the left and right limiting blocks point to one side provided with the metal frame limiting device (4) at the same time and are used for clamping the stringer parts (7) to prevent the stringer parts from moving left and right; the front and rear limiting blocks (522) are also long-strip-shaped, the length of the front and rear limiting blocks is shorter than that of the left and right limiting blocks (521), and the front and rear limiting blocks are vertically installed on one surface, facing the metal frame limiting device (4), of the upright post (51) and used for limiting the front and rear displacement of the stringer parts (7).
5. The device for forming a stringer part pressure loss test piece according to claim 4, wherein: the left and right limiting blocks (521) are fixed on the upright post (51) through the butterfly bolts (9) and can rotate around the butterfly bolts (9).
6. The device for forming a stringer part pressure loss test piece according to claim 1, wherein: a sliding groove (10) is formed in the supporting frames (2) in the vertical direction, and the cross beam (3) is connected with the two supporting frames (2) through the sliding groove (10); the supporting frame (2) is further provided with a plurality of pin bolt holes (11) in the vertical direction, and the two ends of the cross beam (3) are also provided with the pin bolt holes (11) so that the height of the fixed cross beam (3) can be adjusted through the pin bolts (12).
7. The device for forming a stringer part pressure loss test piece according to claim 1, wherein: the support frame (2) and the metal frame limiting device (4) are fixed on the base (1) through screws (13).
8. The device for forming a stringer part pressure loss test piece according to claim 1, wherein: the upper end of the support frame (2) is also provided with a fixed cross beam (14) for reinforcing the support frame (2).
9. The use method of the forming device for the pressure loss experiment workpiece of the stringer part is characterized in that: use of the forming apparatus of claims 1-8 to make stringer component crush test pieces, comprising the steps of:
a) installing a metal frame: opening the fastening clamp (42), then placing the metal frame (8) on the inner surface of the L-shaped limiting block (41), and pushing up the fastening clamp (42) to clamp the metal frame (8);
b) installing stringer parts: placing the stringer part (7) in the metal frame (8) in the step a), and limiting and fixing the horizontal position of the stringer part through a left limiting block (521), a right limiting block (522), a front limiting block and a rear limiting block (522);
c) compressing stringer parts: sliding the cross beam (3) downwards along the sliding groove (10) to enable the pressing block (6) to be tightly pressed at the upper end of the stringer part (7) in the step b) to prevent the stringer part from moving up and down;
d) encapsulating: slowly injecting the uniformly mixed and defoamed resin solution into the metal frame (8) in the step b) from two sides, and potting and fixing the metal frame (8) at one end of the stringer part (7) after the resin solution is solidified; and then taking the stringer part (7) off, turning the whole body, repeating the steps a) to d), and encapsulating the other end of the stringer part (7) in another metal frame (8) through resin (16) so as to obtain a stringer part pressure loss experimental part.
10. The use method of the device for forming the stringer part pressure loss test piece according to claim 9, wherein: in the step a), in order to prevent the resin solution from leaking, a sealing rubber strip (15) is used for sealing the micro gap between the metal frame (8) and the base (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911179527.4A CN111016032A (en) | 2019-11-27 | 2019-11-27 | Forming device for stringer part pressure loss experiment workpiece and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911179527.4A CN111016032A (en) | 2019-11-27 | 2019-11-27 | Forming device for stringer part pressure loss experiment workpiece and application thereof |
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