Positioning tool clamp for combined assembly of launch canister rear sight support

Abstract

The utility model discloses a positioning tool clamp for combined assembly of a rear sight support of a launch canister, which comprises a positioning ring fixed with a canister body through a positioning shaft. The positioning plate is fixedly locked with the positioning ring through a countersunk screw; the fixing shaft is connected with the positioning plate by being matched with the threaded shaft, and the fixing shaft is locked through the threaded shaft; and the rear sight bracket combination is mounted on the outer side of the positioning plate. The positioning tool clamp for combined assembly of the rear sight support of the launch canister is simple and ingenious in design, the positioning ring and the canister body are matched through the positioning shaft and the canister body, the part assembly position precision is guaranteed, and the positioning ring and the canister body cannot move under the cooperation of the positioning plate clamping groove and the positioning shaft; the positioning plate and the fixing shaft are matched and locked through an M8 threaded shaft, so that the rear sight bracket combination is positioned; the positioning shaft needs to be frequently disassembled in the tool using process, the diameter of a cylinder at the handheld end is large in the design process, knurling treatment is conducted, and operation of operators is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of a launch tube assembly fixture, in particular to a positioning fixture for assembling a launch tube rear aiming bracket. Background Art

[0002] Launch tube assembly fixtures are indispensable tools in the process of manufacturing and assembling launch tubes. Launch tube assembly fixtures are widely used in the manufacturing and assembly process of missile launch tubes, rocket launch tubes and other equipment. By using special fixtures, the assembly efficiency and quality can be greatly improved, and the production cost and cycle can be reduced.

[0003] The existing launch tube has a circular cross-section. The rear aiming bracket assembly is an assembly component on the launch tube. When assembled on the launch tube, high matching accuracy is required, and the positioning of parts is difficult. The rear aiming bracket assembly has requirements not only in the direction along the axis of the tube and in the circumferential direction, but also in the spatial position and angle. High accuracy requirements are also required, so the operation is complicated. However, the prior art requires manual visual marking and positioning when assembling the rear aiming bracket assembly, which has cumbersome steps, low assembly efficiency, and low assembly accuracy.

[0004] In view of the above problems, it is urgently necessary to carry out innovative design based on the positioning fixture structure for the original launch tube rear aiming bracket assembly. Utility Model Content

[0005] The purpose of the utility model is to provide a positioning fixture for assembling a rear sight bracket assembly of a launch tube, so as to solve the problem in the prior art proposed in the above-mentioned background technology that manual visual marking and positioning are required when assembling the rear sight bracket assembly, the steps are cumbersome, the assembly efficiency is low, and the assembly accuracy is low.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning fixture for assembling a rear sight bracket of a launch tube, comprising a positioning ring, which is fixed to the tube body through a positioning shaft;

[0007] A positioning plate, the positioning plate is fixed and locked with a positioning ring by countersunk screws; a fixed shaft, the fixed shaft is connected to the positioning plate by cooperating with the threaded shaft, and the fixed shaft is locked by the threaded shaft; a rear aiming bracket assembly, the rear aiming bracket assembly is installed on the outside of the positioning plate, wherein the fixed shaft and the threaded shaft are detachable during assembly and use, and are used to fix the rear aiming bracket assembly.

[0008] Preferably, the positioning ring is designed as an arc-shaped block for centering and positioning the cylinder.

[0009] Preferably, a positioning hole is milled on the other side of the positioning ring, and the positioning is achieved by a positioning shaft inserted into the inner side of the positioning hole and tightly fitting with the positioning groove inside the cylinder.

[0010] Preferably, a groove is milled on one side of the positioning plate, and the fixed shaft and the positioning plate are tightly matched by the threaded shaft and the groove inside the positioning plate to limit the relative freedom, and the fixed shaft and the threaded shaft are locked to complete the positioning.

[0011] Preferably, during the assembly process, the threaded shaft is tightened to fix the rear aiming bracket assembly on the positioning plate so that it does not move.

[0012] Preferably, a knurled sleeve is fixedly mounted on the outer side of the positioning shaft.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The design of the tooling is simple and ingenious. The positioning ring and the cylinder are matched with the positioning shaft and the cylinder to ensure the accuracy of the assembly position of the parts, and no movement will occur under the cooperation of the positioning plate slot and the positioning shaft; the positioning plate and the fixed shaft are locked with the M8 threaded shaft, so that the rear sight bracket assembly is positioned; the positioning shaft needs to be disassembled frequently during the use of the tooling. The diameter of the cylinder on the handheld end is large and knurled to facilitate the operation of the operator;

[0015] 2. The fixed shaft on the tooling positioning plate and the groove design on the side of the positioning plate can enable the cylinder to be accurately aligned and positioned;

[0016] 3. The tooling design is simple and easy to understand, the assembly operation is simple and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the overall side view structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the overall explosion of the utility model;

[0020] Figure 4 This is a schematic diagram of the cylinder and positioning shaft structure of the utility model;

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the positioning ring of the utility model.

[0022] In the figure: 1, positioning shaft; 101, knurled sleeve; 2, positioning ring; 201, positioning hole; 3, fixed shaft; 4, threaded shaft; 5, positioning plate; 501, slot; 6, countersunk screw; 7, cylinder; 701, positioning slot; 8, rear aiming bracket assembly. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-Figure 5 The utility model provides a technical solution: a positioning fixture for assembling a launch tube rear sight bracket, comprising:

[0025] Positioning ring 2, the positioning ring 2 is fixed to the cylinder 7 through the positioning shaft 1; positioning plate 5, the positioning plate 5 is fixed and locked to the positioning ring 2 through the countersunk screw 6; fixed shaft 3, the fixed shaft 3 is connected to the positioning plate 5 by cooperating with the threaded shaft 4, and the fixed shaft 3 is locked by the threaded shaft 4; rear sight bracket assembly 8, the rear sight bracket assembly 8 is installed on the outside of the positioning plate 5, wherein the fixed shaft 3 and the threaded shaft 4 are detachable during assembly and use, and are used to fix the rear sight bracket assembly 8;

[0026] The positioning ring 2 is designed as an arc block, which is used for centering and positioning the cylinder 7; a positioning hole 201 is milled on the other side of the positioning ring 2, and the positioning shaft 1 inserted into the inner side of the positioning hole 201 is tightly matched with the positioning groove 701 inside the cylinder 7 for positioning; a groove 501 is milled on one side of the positioning plate 5, and the fixed shaft 3 and the positioning plate 5 are tightly matched by the threaded shaft 4 and the inner groove 501 of the positioning plate 5 to limit the relative freedom, and the positioning is completed by locking the fixed shaft 3 and the threaded shaft 4; during the assembly process, the threaded shaft 4 is tightened to fix the rear sight bracket assembly 8 on the positioning plate 5 so that it does not move; a knurled sleeve 101 is fixedly installed on the outer side of the positioning shaft 1;

[0027] When this structure is in use, first remove the positioning shaft 1, the fixed shaft 3, and the M8 threaded shaft 4, fix the positioning ring 2 and the positioning plate 5 with the countersunk screw 6, and then engage the positioning ring 2 with the cylinder 7 to be assembled through the positioning shaft 1, and then cooperate with the fixed shaft 3 and the rear aiming bracket assembly 8 to be assembled, and pass through the positioning plate 5 to make the rear aiming bracket assembly 8 fit with the positioning plate 5, then insert the side of the rear aiming bracket assembly 8 into the groove of the positioning plate 5, and at the same time ensure that the arc surface of the rear base of the rear aiming bracket assembly 8 is tightly fitted with the cylinder 7, and finally screw the M8 threaded shaft 4 into the threaded hole on the fixed shaft 3 and tighten it, so that the rear aiming bracket assembly 8 is firmly fixed and fitted on the positioning plate 5. In this way, the rear aiming bracket assembly 8 has occupied the correct spatial position relative to the cylinder 7, and the next step of work can be carried out. The operation process of this structure is simple and easy to understand, which can greatly improve the assembly efficiency. At the same time, it has accurate positioning and high assembly accuracy. It can improve the working efficiency in actual production, and the assembly accuracy is well maintained.

[0028] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning fixture for assembling a rear sight bracket of a launch tube, characterized in that: Included are: A positioning ring (2), wherein the positioning ring (2) is fixed to the cylinder (7) via a positioning shaft (1); A positioning plate (5), wherein the positioning plate (5) is fixedly locked with the positioning ring (2) by means of a countersunk screw (6); A fixed shaft (3), wherein the fixed shaft (3) is connected to the positioning plate (5) by cooperating with the threaded shaft (4), and the fixed shaft (3) is locked by the threaded shaft (4); A rear-aiming bracket assembly (8), wherein the rear-aiming bracket assembly (8) is mounted on the outside of the positioning plate (5), wherein: The fixed shaft (3) and the threaded shaft (4) are detachable during assembly and use, and are used to fix the rear sight bracket assembly (8).

2. A positioning fixture for assembling the rear sight bracket of a launch tube according to claim 1, characterized in that: The positioning ring (2) is designed as an arc-shaped block and is used for centering and positioning the cylinder (7).

3. A positioning fixture for assembling the rear sight bracket of a launch tube according to claim 2, characterized in that: The other surface of the positioning ring (2) is milled with a positioning hole (201), and the positioning shaft (1) inserted into the inner side of the positioning hole (201) is tightly matched with the positioning groove (701) inside the cylinder (7) for positioning.

4. A positioning fixture for assembling a rear sight bracket of a launch tube according to claim 1, characterized in that: A slot (501) is milled on one side of the positioning plate (5); the fixed shaft (3) and the positioning plate (5) are tightly matched by the threaded shaft (4) and the slot (501) inside the positioning plate (5) to limit the relative degree of freedom; and the fixed shaft (3) and the threaded shaft (4) are locked to complete the positioning.

5. A positioning fixture for assembling the rear sight bracket of a launch tube according to claim 1, characterized in that: During the assembly process, the threaded shaft (4) is tightened to fix the rear sight bracket assembly (8) on the positioning plate (5) so that it does not move.

6. A positioning fixture for assembling the rear sight bracket of a launch tube according to claim 1, characterized in that: A knurled bushing (101) is fixedly mounted on the outer side of the positioning shaft (1).

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