Unmanned aerial vehicle undercarriage connector forming die

Abstract

The utility model discloses an unmanned aerial vehicle undercarriage joint forming die. The unmanned aerial vehicle undercarriage joint forming die comprises a bottom die, a left die, a right die and a die core, the two opposite sides of the bottom die are each provided with two movable positioning blocks in a sliding mode, and the bottom ends of the left die and the right die are matched with the movable positioning blocks in shape; the core mold is arranged at the joint of the faying surfaces of the left mold and the right mold; and the bottom die, the left die, the right die and the die core jointly form a closed die cavity. The die can be used for forming a composite material and manufacturing an unmanned aerial vehicle undercarriage joint, effectively guarantees the size and strength of parts, and reduces the weight of the parts.

Description

Technical Field

[0001] The utility model relates to the technical field of composite material molding, in particular to a molding die for a landing gear joint of a UAV. Background Art

[0002] The landing gear joint, as an important load-bearing structure of drones, plays a vital role. The landing gear joint made of composite materials can improve production efficiency, ensure part strength, and reduce part weight. At present, there is no special molding mold for preparing drone landing gear joints.

[0003] Therefore, it is urgent to design a UAV landing gear joint forming die. Utility Model Content

[0004] The purpose of the utility model is to provide a UAV landing gear joint forming die to solve the problems existing in the above-mentioned prior art and to achieve

[0005] To achieve the above purpose, the utility model provides the following solution: The utility model provides a UAV landing gear joint forming mold, comprising:

[0006] Bottom mold, left mold, right mold and mold core;

[0007] Two movable positioning blocks are slidably mounted on two opposite sides of the bottom mold, and the bottom ends of the left mold and the right mold are adapted to the shapes of the movable positioning blocks;

[0008] The mold core is arranged at the connection of the left mold and the right mold fitting surfaces; the bottom mold, the left mold, the right mold and the mold core together form a closed mold cavity.

[0009] A demoulding ring is installed at one end of the mold core extending out of the mold cavity, and the demoulding ring is fixedly installed on the outer walls of the left mold and the right mold through pins.

[0010] The left mold and the right mold are fixedly connected by positioning pins, and the left mold and the right mold are fixedly installed on the bottom mold by the positioning pins.

[0011] The movable positioning block is provided with a thread hole for taking out the demoulding.

[0012] The edges of the left mold and the right mold fitting surfaces are provided with mold stripping grooves.

[0013] The bottom mold, the left mold and the right mold are all provided with hanging rings.

[0014] The utility model discloses the following technical effects: the mold can be used to form composite materials, manufacture the landing gear joints of unmanned aerial vehicles, and effectively ensure the size and strength of the parts, and reduce the weight of the parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the landing gear joint structure;

[0018] Figure 3 This is a front view of the overall structure of the utility model;

[0019] Figure 4 It is a side view of the overall structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the mold core structure of the utility model;

[0021] Among them, 1. bottom mold; 2. left mold; 3. right mold; 4. mold core; 5. movable positioning block; 6. positioning pin; 7. demoulding groove; 8. lifting ring; 9. demoulding ring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0024] The utility model provides a UAV landing gear joint forming die, comprising:

[0025] Bottom mold 1, left mold 2, right mold 3 and mold core 4;

[0026] Two movable positioning blocks 5 are slidably mounted on two opposite sides of the bottom mold 1, and the bottom ends of the left mold 2 and the right mold 3 are adapted in shape to the movable positioning blocks 5;

[0027] The mold core 4 is arranged at the connection between the fitting surfaces of the left mold 2 and the right mold 3; the bottom mold 1, the left mold 2, the right mold 3 and the mold core 4 together form a closed mold cavity.

[0028] A demoulding ring 9 is installed at one end of the mold core 4 extending out of the mold cavity, and the demoulding ring 9 is fixedly installed on the outer walls of the left mold 2 and the right mold 3 by pins.

[0029] The left mold 2 and the right mold 3 are fixedly connected by the positioning pins 6 , and the left mold 2 and the right mold 3 are fixedly installed on the bottom mold 1 by the positioning pins 6 .

[0030] The movable positioning block 5 is provided with a thread hole for removing the mold.

[0031] A demoulding groove 7 is provided at the edges of the mating surfaces of the left mold 2 and the right mold 3.

[0032] The bottom mold 1 , the left mold 2 and the right mold 3 are all provided with hanging rings 8 .

[0033] In one embodiment of the utility model, the mold structure adopts a core mold plus mold pressing combined structure, the core mold structure includes a mold core 4 and a demoulding ring 9; the mold pressing structure includes a bottom mold 1, a left mold 2, a right mold 3 and a movable positioning block 5; the movable positioning block 5 facilitates the closing of the left mold 2 and the right mold 3, so that the left mold 2 and the right mold 3 can move in the up and down directions without damaging the prepreg after laying;

[0034] In one embodiment of the utility model, a pin hole is provided on the bottom mold 1 to facilitate the combination of the left mold 2 and the right mold 3.

[0035] In one embodiment of the present invention, the bottom mold 1 is combined with the left mold 2, the right mold 3, and the mold core 4 equipped with a demoulding ring 9 to form a mold cavity to control the thickness of the product.

[0036] In one embodiment of the utility model, since the UAV landing gear joint tube body is connected to the base through PMI foam, and the placement angle of the prefabricated tube body is required to be high, the left mold 2 and the right mold 3 are provided with product lines, margin lines and grooves that conform to the shape of the PMI foam and the prefabricated tube, which facilitates the positioning and placement of the PMI foam and the prefabricated tube body.

[0037] In one embodiment of the utility model, the left mold 2 and the right mold 3 are provided with hanging rings 8 and pin holes, which cooperate with the bottom mold 1 to facilitate the positioning of the product tube body and control the bottom surface thickness.

[0038] In one embodiment of the utility model, after the product is laid, since the prefabricated tube body is a hollow structural tube, the demoulding ring 9 can leave a margin for the tube body to prevent the product from being crushed during the overall curing process.

[0039] In one embodiment of the utility model, a temperature measuring hole and a guide rail are provided on the bottom mold 1, and the movable positioning block 5 slides on the guide rail. The temperature measuring hole is used to monitor the mold temperature.

[0040] In one embodiment of the present invention, Figure 2As shown, an inner opening is formed at the bottom end of the landing gear joint of the UAV, and the movable positioning block 5 can help the left mold and the right mold to move up and down and apply pressure to the bottom mold 1.

[0041] In one embodiment of the present invention, the joint structure of the drone take-off frame is a foam sandwich structure, and its manufacturing steps are as follows: the first step is as follows: Figure 5 As shown, the prefabricated pipe body is laid on the mold core 4 to the margin line, and is laid on the bottom mold 1 to the margin line at the same time;

[0042] The second step is, Figure 3 As shown, the left mold 2 and the right mold 3 are placed according to the position of the positioning pin 6, the foam position is determined, and the foam with the prepreg laid is placed at the corresponding position of the bottom mold 1 to fix it to the bottom mold 1; the prefabricated tube body is placed at the corresponding position according to the position of the foam;

[0043] The third step is Figure 1 As shown, a demoulding ring 9 is placed at the nozzle position;

[0044] Step 4: Close the mold and compact it gently;

[0045] Step 6: Send the mold into the hot press, heat it to 90°C, and tighten the bolts to make the mold completely closed;

[0046] Step 7: heating, heat preservation and curing;

[0047] Step 8: demoulding to obtain the blank;

[0048] The ninth step is to perform edge cutting and trimming to obtain the landing gear joint.

[0049] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0050] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A UAV landing gear joint forming die, characterized in that: include: A bottom mold (1), a left mold (2), a right mold (3) and a mold core (4); Two movable positioning blocks (5) are slidably mounted on two opposite sides of the bottom mold (1), and the bottom ends of the left mold (2) and the right mold (3) are adapted in shape to the movable positioning blocks (5); The mold core (4) is arranged at the connection between the fitting surfaces of the left mold (2) and the right mold (3); the bottom mold (1), the left mold (2), the right mold (3) and the mold core (4) together form a closed mold cavity.

2. The UAV landing gear joint forming mold according to claim 1, characterized in that: A demoulding ring (9) is installed at one end of the mold core (4) extending out of the mold cavity, and the demoulding ring (9) is fixedly installed on the outer walls of the left mold (2) and the right mold (3) by pins.

3. The UAV landing gear joint forming mold according to claim 1, characterized in that: The left mold (2) and the right mold (3) are fixedly connected via a positioning pin (6), and the left mold (2) and the right mold (3) are fixedly mounted on the bottom mold (1) via the positioning pin (6).

4. The UAV landing gear joint forming mold according to claim 1, characterized in that: The movable positioning block (5) is provided with a thread hole for removing the mold.

5. The UAV landing gear joint forming mold according to claim 1, characterized in that: A demoulding groove (7) is provided at the edges of the fitting surfaces of the left mold (2) and the right mold (3).

6. The UAV landing gear joint forming mold according to claim 1, characterized in that: The bottom mold (1), the left mold (2) and the right mold (3) are all provided with hanging rings (8).

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