Conical barrel composite material bonding tool with guiding function

Abstract

The utility model discloses a conical barrel composite material bonding tool with a guiding function, and relates to the technical field of bonding tools, the conical barrel composite material bonding tool comprises a metal cabin product and a composite material cabin product, and further comprises a bottom plate, a center supporting shaft is fixedly arranged in the middle of the top end of the bottom plate, and a plurality of guide columns are arranged at the top end of the bottom plate in a rectangular array mode; the metal cabin product is fixedly arranged at the top end of the bottom plate through the center supporting shaft. The female die bottom plate is movably arranged at the top end of the bottom plate through a guide column, the composite material cabin product is installed at the top end of the female die bottom plate, and the composite material cabin product is connected to the outer portion of the metal cabin product in a sleeving mode; the height limiting mechanism is located at the top end of the composite cabin product and fixed to the end of the center supporting shaft. According to the utility model, the original bonding mode without height limit is replaced, the uniformity of the thickness of an adhesive layer during bonding is ensured through the accurate guide of the guide pillar and the limit in the height direction, the concentricity of a composite material and a metal cabin is considered, and the bonding assembly quality of the composite material and a metal piece is improved.

Description

Technical Field

[0001] This utility model relates to the field of bonding tooling technology, and in particular to a guide-guided bonding tooling for conical barrel composite materials. Background Technology

[0002] In the aerospace field, composite materials are being used more and more widely, and the performance requirements for these materials are gradually increasing. In certain specialized applications, extremely high temperature resistance is required for the operating environment. Ordinary metal materials exhibit thermal conductivity, causing internal temperatures to rise. Therefore, the application of novel high-temperature resistant composite materials has solved this challenge. High-temperature resistant composite materials are used as an outer layer for metal components, providing thermal insulation.

[0003] In manufacturing, the assembly requirements for composite materials and metal parts are increasing. In composite material assembly, common assembly methods include screw connections, riveting, and adhesive bonding. To simplify assembly and reduce processing difficulty, adhesive bonding is often used for connection and fixation. Furthermore, for certain composite structures with sealing requirements, only sealant can ensure the airtightness of the composite material. To achieve the assembly of composite parts, precise positioning of each part is necessary, requiring the design of reasonable assembly fixtures to meet the positioning and installation needs of composite parts. However, current assembly fixtures lack height limiting functions, and the concentricity of fixture positioning is difficult to control, making it difficult to ensure the uniformity of adhesive layer thickness during composite bonding, affecting the accuracy of composite bonding assembly work. This also limits the scope of composite bonding assembly operations, making it difficult to meet the needs of convenient operation. Therefore, a guide-type conical barrel composite bonding fixture is proposed. Summary of the Invention

[0004] The purpose of this invention is to provide a guide-guided conical barrel composite bonding fixture to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a guide-guided conical barrel composite bonding fixture, comprising a metal chamber product and a composite chamber product, and further comprising:

[0006] A base plate, with a central support shaft fixedly provided at the top center of the base plate, and multiple guide columns arranged in a rectangular array at the top of the base plate; the metal cabin product is fixedly installed at the top of the base plate via the central support shaft.

[0007] A female mold base plate, wherein the female mold base plate is movably set at the top of the base plate via guide posts, and the composite material cabin product is installed at the top of the female mold base plate and is sleeved on the outside of the metal cabin product;

[0008] A height limiting mechanism is located at the top of the composite material cabin product and fixed to the end of the central support shaft.

[0009] Preferably, the bottom end of the bottom plate is embedded with a guide pillar cover plate at the corresponding position of the guide pillar, a hexagonal flat head screw is fixedly connected between the guide pillar cover plate and the guide pillar, and a second hexagonal screw is fixedly connected between the bottom plate and the center support shaft.

[0010] Preferably, a large-end support plate is attached to the bottom end port position of the metal cabin product, a plurality of full-tooth screw rods are arranged at intervals at the top end of the metal cabin product, and a small-end support plate is movably connected to the top end of the metal cabin product.

[0011] Preferably, the height limiting mechanism comprises a pressing plate movably arranged at the top end of the metal cabin product, and a third nut threadedly connected with the full-tooth screw rod is arranged on the side of the pressing plate away from the small-end support plate.

[0012] Preferably, the large-end support plate is movably embedded in a circular groove arranged at the top end of the bottom plate, the center support shaft extends to a position above the pressing plate at the top, a cross-shaped pressing plate is movably sleeved at the top of the center support shaft, and a second nut is threadedly connected with the end of the outer wall of the center support shaft.

[0013] Preferably, a female die sliding block is slidably connected between the female die bottom plate and the composite cabin product, a second guide sleeve is fixedly embedded in a guide sleeve hole arranged on the female die sliding block, the second guide sleeve is movably connected with the guide pillar, and a pin is fixedly connected between the female die bottom plate and the female die sliding block.

[0014] Preferably, a plurality of pull rods are arranged in a rectangular array at intervals on the female die bottom plate, the pull rods pass through the female die sliding block and extend upward, a cap-shaped cover plate is movably inserted at the top end of the composite cabin product, the side of the cap-shaped cover plate is movably inserted with the pull rod at the corresponding position, a first nut is threadedly connected with the outer wall of the pull rod arranged at the top end of the cap-shaped cover plate, the female die bottom plate is movably arranged at the top end of the bottom plate, and a first hexagonal screw is fixedly connected between the female die sliding block, the female die bottom plate, and the bottom plate.

[0015] Preferably, a first guide sleeve is fixedly embedded in the middle of the cap-shaped cover plate, a guide pin is fixedly connected with the top end of the center support shaft, and the outer wall of the guide pin is slidably connected with the inner side of the first guide sleeve.

[0016] Preferably, a second lifting ring is fixedly arranged at each corner of the top end of the bottom plate, a knurled handle is fixedly arranged at the side wall of the female die sliding block, and a plurality of first lifting rings are fixedly connected at intervals at the top end of the cap-shaped cover plate.

[0017] Compared with the prior art, the technical effects of the utility model are:

[0018] The utility model replaces the original height positionerless bonding mode, through the accurate direction of guide column, and also has done the positioner in the height direction, thereby guaranteeing the evenness of the glue layer thickness when bonding, greatly improve the bonding quality of the composite material and metal cabin, and the concentric problem of the big end composite material and metal cabin is also considered, the method of center positioning is used in use, the concentricity is guaranteed, the evenness of the bonding wall thickness is further improved, and the quality of the composite material and metal piece bonding assembly is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the overhead structure schematic diagram of the utility model.

[0020] Figure 2 It is the A-A section structure schematic diagram of the utility model. Figure 1

[0021] Figure 3 It is the B-B section structure schematic diagram of the utility model. Figure 1

[0022] Figure 4 It is the three-dimensional structure schematic diagram of the composite material cabin product of the utility model.

[0023] Figure 5 It is the split structure schematic diagram of the composite material cabin product and metal cabin product of the utility model.

[0024] In the drawing: 1, bottom plate;2, female die bottom plate;3, first inner hexagonal screw;4, big end support plate;5, pull rod;6, full toothed screw;7, cap-shaped cover plate;8, first lifting ring;9, first nut;10, cross pressing plate;11, guide pin;12, first guide sleeve;13, second nut;14, third nut;15, small end support plate;16, center support shaft;17, female die sliding block;18, second inner hexagonal screw;19, net handle;20, second lifting ring;21, second guide sleeve;22, guide column;23, guide column cover plate;24, inner hexagonal flat head screw;25, pin;26, pressing plate;27, composite material cabin product;28, metal cabin product. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range protected by the utility model.

[0026] The utility model provides a kind of conical barrel composite material bonding tool with guide as shown in Figures 1-5 ​​​

[0027] The embodiment 1 comprises the metal cabin product 28 and the composite cabin product 27, and further comprises the bottom plate 1, the female mold bottom plate 2 and the height limiting mechanism. The center support shaft 16 is fixedly arranged at the middle of the top end of the bottom plate 1. A plurality of guide columns 22 are arranged in a rectangular array at the top end of the bottom plate 1. The metal cabin product 28 is fixedly arranged at the top end of the bottom plate 1 through the center support shaft 16. The female mold bottom plate 2 is movably arranged at the top end of the bottom plate 1 through the guide columns 22. The composite cabin product 27 is installed at the top end of the female mold bottom plate 2. The composite cabin product 27 is sleeved outside the metal cabin product 28. The height limiting mechanism is located at the top end of the composite cabin product 27 and is fixed with the end portion of the center support shaft 16. The metal cabin product 28 is installed on the bottom plate 1. The composite cabin product 27 is installed on the female mold bottom plate 2. Then, the structural adhesive is applied inside the composite cabin product 27. The composite cabin product 27 is sleeved outside the metal cabin product 28 together with the female mold bottom plate 2. The female mold bottom plate 2 is stacked with the bottom plate 1. Thus, the composite cabin product 27 and the metal cabin product 28 are fixedly connected through the structural adhesive. The positioning accuracy during the bonding of the composite cabin product 27 and the metal cabin product 28 is ensured. The thickness of the structural adhesive between the two is more uniform. The quality of the bonding assembly of the composite cabin product 27 and the metal cabin product 28 is improved.

[0028] The bottom end of the bottom plate 1 is embedded with the guide column cover plate 23 at the corresponding position of the guide column 22. The internal hexagonal flat head screw 24 is fixedly connected between the guide column cover plate 23 and the guide column 22. The second internal hexagonal screw 18 is fixedly connected between the bottom plate 1 and the center support shaft 16. The large end support plate 4 is arranged at the bottom end of the metal cabin product 28. A plurality of full toothed screws 6 are arranged at the top end of the metal cabin product 28. The small end support plate 15 is movably connected at the top end of the metal cabin product 28. The height limiting mechanism comprises the pressing plate 26 movably arranged at the top end of the metal cabin product 28. The third nut 14 is arranged at the side of the pressing plate 26 away from the small end support plate 15 and is threadedly connected with the full toothed screw 6. The large end support plate 4 is movably embedded in the circular groove arranged at the top end of the bottom plate 1. The top portion of the center support shaft 16 extends to the position above the pressing plate 26. The cross pressing plate 10 is movably sleeved at the top portion of the center support shaft 16. The second nut 13 is threadedly connected with the end portion of the outer wall of the center support shaft 16.

[0029] In the process of assembling the metal cabin product 28 on the bottom plate 1, first, four symmetrically distributed guide columns 22 are installed on the bottom plate 1, the guide column cover plate 23 is covered on the back of the bottom plate 1, and then the inner hexagonal flat head screw 24 is used to fix the guide column cover plate 23, the bottom plate 1 and the guide column 22; then the large end support plate 4 is placed on the assembly workbench plane, the metal cabin product 28 is sleeved on the stepped outer circle position at the top of the large end support plate 4 for positioning, four full toothed screw rods 6 are screwed from the small end surface position of the metal cabin product 28, the small end support plate 15 is inserted into the hole slot of the small end surface of the metal cabin product 28 for positioning, then the pressing plate 26 is installed at the small end surface position at the top of the metal cabin product 28 for height limiting, and the horizontal position is found, then the third nut 14 is screwed at the end of the full toothed screw rod 6, the assembly of the metal cabin product 28 on the large end support plate 4 is completed, and finally the large end support plate 4 together with the metal cabin product 28 is installed into the hole in the middle of the bottom plate 1, the outer circle at the bottom of the large end support plate 4 is used for positioning, then the cross pressing plate 10 is sleeved on the center support shaft 16, and the second nut 13 is used to threadedly connect the cross pressing plate 10 and the center support shaft 16 to press the cross pressing plate 10, so that the metal cabin product 28 is fixed on the bottom plate 1.

[0030] Further, the female mold bottom plate 2 and the composite cabin product 27 are connected with the female mold slider 17 on both sides, the second guide sleeve 21 is fixedly embedded in the guide sleeve hole on the female mold slider 17, the second guide sleeve 21 is movably connected with the guide column 22, and the pin 25 is fixedly connected between the female mold bottom plate 2 and the female mold slider 17; a plurality of pull rods 5 are arranged in a rectangular array on the female mold bottom plate 2, the pull rods 5 pass through the female mold slider 17 and extend upward, the cap-shaped cover plate 7 is movably inserted at the top end of the composite cabin product 27, the side of the cap-shaped cover plate 7 is movably inserted with the corresponding pull rod 5, and the first nut 9 is arranged at the top end of the cap-shaped cover plate 7 and threadedly connected with the outer wall of the pull rod 5; the first guide sleeve 12 is fixedly embedded in the cap-shaped cover plate 7, the guide pin 11 is fixedly connected at the top end of the center support shaft 16, and the outer wall of the guide pin 11 is movably connected with the inner side of the first guide sleeve 12;

[0031] In the assembly of the composite cabin product 27, the second guide sleeve 21 is installed into the guide sleeve hole of the slide block 17, then the bottom plate 2 is placed on the workbench, the composite cabin product 27 is placed into the hole in the middle of the bottom plate 2, it should be noted that the hole in the middle of the bottom plate 2 is larger than the composite cabin product 27 in diameter, and the hole in the middle only provides support in the height direction and does not position, then the two slide blocks 17 are respectively slid from both sides of the bottom plate 2, the bottom plate 2 has a guide slot for the slide block 17 to slide into, when the slide block 17 slides into the theoretical position, the pin 25 is inserted into the corresponding holes of the slide block 17 and the bottom plate 2 for positioning, at this time the profile of the slide block 17 is attached to the surface of the composite cabin product 27, then four draw bars 5 are screwed into the composite cabin product 27, the cap-shaped cover plate 7 provided with the first guide sleeve 12 is inserted into the four draw bars 5, and the first guide sleeve 12 is sleeved with the guide pin 11 on the center support shaft 16, it should be noted that the circular boss in the middle of the cap-shaped cover plate 7 needs to be inserted into the center circle of the small end face of the composite cabin product 27 to ensure the concentricity of the upper and lower ends, and finally the first nut 9 is screwed at the end of the draw bar 5 to fix the cap-shaped cover plate 7;

[0032] In the assembly, first, structural glue is applied to the inner wall of the composite cabin product 27, the composite cabin product 27 is sleeved from the outside of the metal cabin product 28, the second guide sleeve 21 is in contact with the guide column 22, lubricating oil is applied to the guide column 22 to ensure smooth movement during installation, until the bottom plate 2 contacts the bottom plate 1, the first inner hexagonal screw 3 is used to lock and fix the two, finally the guide pin 11 is inserted into the first guide sleeve 12 of the small end of the composite cabin product 27, the guide pin 11 is in butt joint with the center pin hole of the center support shaft 16 for positioning, to ensure the concentricity of the small end face of the composite cabin product 27 and the small end face of the metal cabin product 28, so as to realize the precise positioning and bonding between the metal cabin product 28 and the composite cabin product 27.

[0033] In example 2, on the basis of example 1, the hexagonal second lifting ring 20 is fixed at the corners of the top end of the bottom plate 1, the hexagonal textured handle 19 is fixed on the side wall of the slide block 17, and the first lifting ring 8 is fixed at the top end of the cap-shaped cover plate 7 in multiple, the first lifting ring 8 and the second lifting ring 20 can facilitate the lifting of the metal cabin product 28 and the composite cabin product 27, and the textured handle 19 can facilitate the driving of the slide block 17, improving the convenience of operation.

[0034] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A tape guided conical barrel composite bonding tooling comprising a metal pod product (28) and a composite pod product (27), characterized by, Also include: The bottom plate (1) top middle fixed with center support shaft (16), the bottom plate (1) top is arranged in rectangular array with multiple guide posts (22), the metal cabin product (28) is fixedly arranged on the top of the bottom plate (1) through the center support shaft (16); The female die bottom plate (2) is movably arranged on the top of the bottom plate (1) through the guide post (22), the composite cabin product (27) is installed on the top of the female die bottom plate (2), and the composite cabin product (27) is sleeved on the outside of the metal cabin product (28); The height limiting mechanism is located at the top of the composite cabin product (27) and is fixed with the end of the center support shaft (16).

2. The guided conical barrel composite adhesive tooling of claim 1, wherein, The bottom end of the bottom plate (1) is embedded with a guide post cover plate (23) at the corresponding position of the guide post (22), a hexagonal flat head screw (24) is fixedly connected between the guide post cover plate (23) and the guide post (22), and a second hexagonal screw (18) is fixedly connected between the bottom plate (1) and the center support shaft (16).

3. The guided conical barrel composite adhesive tooling of claim 2, wherein, The bottom port position of the metal cabin product (28) is attached with a large end support plate (4), a plurality of full tooth screws (6) are arranged at intervals on the top of the metal cabin product (28), and a small end support plate (15) is movably connected to the top of the metal cabin product (28).

4. The guided conical barrel composite adhesive tooling of claim 3, wherein, The height limiting mechanism comprises a pressing plate (26), the pressing plate (26) is movably arranged on the top of the metal cabin product (28), and the side of the pressing plate (26) away from the small end support plate (15) is provided with a third nut (14) threadedly connected with the full tooth screw (6).

5. The guided conical barrel composite adhesive tooling of claim 4, wherein, The bottom of the large end support plate (4) is movably embedded in the circular groove arranged on the top of the bottom plate (1), the top of the center support shaft (16) extends to the position above the pressing plate (26), the cross pressing plate (10) is movably sleeved on the top of the center support shaft (16), and the second nut (13) is threadedly connected with the end of the outer wall of the center support shaft (16).

6. A guided conical barrel composite adhesive tooling according to claim 5, wherein, The two sides between the female die bottom plate (2) and the composite cabin product (27) are slidably connected with female die sliders (17), the second guide sleeve (21) is fixedly embedded in the guide sleeve hole arranged on the female die slider (17), the second guide sleeve (21) is movably connected with the guide post (22), and the pin (25) is fixedly connected between the female die bottom plate (2) and the female die slider (17).

7. A guided conical barrel composite adhesive tooling according to claim 6, wherein, A plurality of pull rods (5) are arranged at intervals in rectangular array on the female die bottom plate (2), the pull rods (5) pass through the female die slider (17) and extend upward, the hat-shaped cover plate (7) is movably inserted into the top of the composite cabin product (27), the side of the hat-shaped cover plate (7) is movably inserted into the corresponding position of the pull rod (5), the first nut (9) is threadedly connected with the outer wall of the pull rod (5) arranged on the top of the hat-shaped cover plate (7), the female die bottom plate (2) is movably arranged on the top of the bottom plate (1), and the first hexagonal screw (3) is fixedly connected between the female die slider (17), the female die bottom plate (2) and the bottom plate (1).

8. The guided conical barrel composite adhesive tooling of claim 7, wherein, The first guide sleeve (12) is fixedly arranged in the middle of the hat-shaped cover plate (7), the guide pin (11) is fixedly connected to the top end of the central supporting shaft (16), and the outer wall of the guide pin (11) is in sliding connection with the inner side of the first guide sleeve (12).

9. The guided conical barrel composite adhesive tooling of claim 8, wherein, The second lifting ring (20) is fixedly arranged at the corner of the top end of the bottom plate (1), the knurled handle (19) is fixedly arranged at the side wall of the female die sliding block (17), and the first lifting ring (8) is fixedly and spacedly connected to the top end of the hat-shaped cover plate (7).

Images