Assembly table for riveting assembly of spaceflight structural parts

Abstract

The utility model relates to an assembly table for riveting assembly of spaceflight structural parts, which comprises a base, a riveting support mechanism is arranged at the top of the base, a vertical plate is arranged at the rear end of the bottom of the base, a fixing plate is fixedly mounted at the top of the vertical plate, and a riveting mechanism and a positioning mechanism are arranged at the bottom of the fixing plate. The riveting supporting mechanism comprises a first motor, the first motor is fixedly installed at the top of the base, a workbench is fixedly installed at the position of an output shaft of the first motor, fixing bases are fixedly installed at the two ends of the top of the base, and supporting rods are fixedly installed at the two ends of the bottom of the workbench. According to the assembly table for riveting assembly of the spaceflight structural parts, by arranging the riveting supporting mechanism, the workbench can rotate stably, so that the six workpiece containing grooves can rotate, after machining of the structural parts in one workpiece containing groove is completed, the structural parts are rotated to the next workpiece containing groove, continuous machining is conducted in sequence, and the machining efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aerospace structural parts processing, in particular to an assembly table for riveting and assembling aerospace structural parts. Background Art

[0002] Riveting, as a permanent connection method, plays a very important role in the aerospace field. Since spacecraft are subjected to strong mechanical, thermal and radiation extreme environments during launch and on-orbit operation, the connection of their structural parts must be highly reliable and durable. A riveting machine is a working platform specially used for riveting operations, and is required for riveting aerospace components. A riveting machine is a processing mechanical equipment based on the principle of cold rolling. The riveting machine mainly relies on rotation and pressure to complete assembly, and is often used in the preparation of products that need to be fixed and assembled with rivets. When the riveting machine is working, it uses pneumatic, hydraulic and electric systems to input power to drive the riveting machine rivet rod to locally pressurize the rivet to complete various required forms of riveting.

[0003] After searching, for example, a utility model patent with Chinese patent publication number CN212384511U discloses a riveting machine, including a riveting machine body, a riveting punch, a disassembly structure, a second drive shell and a positioning column, the top of the riveting machine body is fixed with a second drive shell, and a cylinder is installed inside the second drive shell, the output end of the cylinder extends to the bottom of the second drive shell, the top of the riveting machine body below the second drive shell is fixed with a first drive shell, and a motor is installed inside the first drive shell, the top of the motor is fixedly connected to the output end of the cylinder, and the output end of the motor is fixed by a coupling; the utility model not only improves the stability of the placement of the workpiece, improves the convenience of replacing the riveting punch, but also improves the accuracy of the riveting process, while reducing the offset of the workpiece.

[0004] However, the above utility model has only a single riveting station and can only process one workpiece at a time, which limits its work efficiency; and the workpiece is positioned only by the adsorption force generated by the magnetism of the positioning magnet, and the positioning effect is not ideal, and the workpiece may still be offset. Therefore, an assembly table for riveting assembly of aerospace structural parts is proposed to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an assembly table for riveting and assembling aerospace structural parts, which has the advantages of high processing efficiency and solves the problem that the above-mentioned utility model has only a single riveting station and can only process one workpiece at a time, which limits its work efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an assembly table for riveting and assembling aerospace structural parts, comprising a base, a riveting support mechanism is arranged on the top of the base, a vertical plate is arranged at the rear end of the bottom of the base, a fixing plate is fixedly installed on the top of the vertical plate, and a riveting mechanism and a positioning mechanism are arranged on the bottom of the fixing plate;

[0007] The riveting support mechanism includes a motor 1, a motor 1 is fixedly installed on the top of the base, a workbench is fixedly installed at the output shaft of the motor 1, fixed seats are fixedly installed at both ends of the top of the base, support rods are fixedly installed at both ends of the bottom of the workbench, guide wheels are provided at the bottoms of the two support rods, and six workpiece placement grooves are opened on the top of the workbench, and positioning columns are fixedly installed on the inner bottom walls of the six workpiece placement grooves.

[0008] Furthermore, the riveting mechanism includes a cylinder, the top of the fixed plate is fixedly mounted with the cylinder, the bottom of the cylinder is fixedly mounted with a lifting plate, the bottom of the lifting plate is fixedly mounted with a second motor, and a rivet head is fixedly mounted at the output shaft of the second motor.

[0009] Furthermore, the positioning mechanism comprises an electric telescopic rod, and the electric telescopic rods are fixedly installed at both ends of the bottom of the lifting plate, and positioning pieces are fixedly installed at the bottoms of the two electric telescopic rods.

[0010] Furthermore, a rotation groove adapted to the workbench is provided on one side opposite to the two fixing seats, and the workbench is rotatably installed between the two rotation grooves.

[0011] Furthermore, the number of the workpiece placement grooves is six, the workbench is cylindrical, and the six workpiece placement grooves are distributed on the top of the workbench at equal distances with the center of the workbench as the center.

[0012] Furthermore, sliding rods are fixedly installed at both ends of the top of the lifting plate, and sliding openings located on the outer surfaces of the two sliding rods are opened inside the fixed plate, and the two sliding rods are slidably connected to the sliding openings.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] 1. The assembly table for riveting and assembling aerospace structural parts can make the workbench rotate smoothly by setting a riveting support mechanism, so that the six workpiece placement slots can be rotated. When the structural parts in one workpiece placement slot are processed, it rotates to the next workpiece placement slot and performs continuous processing in sequence, which greatly improves the processing efficiency.

[0015] 2. The assembly table for riveting and assembling aerospace structural parts can stably fix the structural parts placed inside the workpiece placement groove by setting a positioning mechanism, preventing the workpiece from shifting during the riveting process, thereby improving the processing effect. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 It is a schematic diagram of the structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the riveting mechanism and the positioning mechanism of the utility model;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the workpiece placement slot of the utility model.

[0020] In the figure: 1. base; 2. riveting support mechanism; 201. motor 1; 202. workbench; 203. fixed seat; 204. support rod; 205. guide wheel; 206. workpiece placement slot; 207. positioning column; 3. vertical plate; 4. fixed plate; 5. riveting mechanism; 501. cylinder; 502. lifting plate; 503. motor 2; 504. riveting head; 6. positioning mechanism; 601. electric telescopic rod; 602. positioning piece. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-4 In this embodiment, an assembly table for riveting and assembling aerospace structural parts includes a base 1, a riveting support mechanism 2 is arranged on the top of the base 1, a vertical plate 3 is arranged at the rear end of the bottom of the base 1, a fixing plate 4 is fixedly installed on the top of the vertical plate 3, and a riveting mechanism 5 and a positioning mechanism 6 are arranged on the bottom of the fixing plate 4.

[0023] The riveting support mechanism 2 includes a motor 201, a motor 201 is fixedly installed on the top of the base 1, a workbench 202 is fixedly installed at the output shaft of the motor 201, fixed seats 203 are fixedly installed at both ends of the top of the base 1, support rods 204 are fixedly installed at both ends of the bottom of the workbench 202, guide wheels 205 are provided at the bottoms of the two support rods 204, and six workpiece placement grooves 206 are opened on the top of the workbench 202, and positioning columns 207 are fixedly installed on the inner bottom walls of the six workpiece placement grooves 206.

[0024] There are six workpiece placement slots 206 . The workbench 202 is cylindrical. The six workpiece placement slots 206 are distributed on the top of the workbench 202 at equal distances with the center of the workbench 202 as the center. The positioning column 207 can determine the riveting point of the workpiece.

[0025] By setting a plurality of workpiece placement slots 206 , a plurality of processing positions can be provided. Only by starting the motor 201 , the motor 201 can be adjusted to the next workpiece placement slot 206 to process the workpiece in the workpiece placement slot 206 .

[0026] The two opposite sides of the two fixed seats 203 are each provided with a rotation groove compatible with the workbench 202. The workbench 202 is rotatably installed between the two rotation grooves. Under the action of the fixed seat 203 and the rotation groove, the support rod 204 and the guide wheel 205, stable support and guidance are provided for the rotation of the workbench 202. As the workbench 202 rotates, the positions of the six workpiece placement grooves 206 can be adjusted to process the next workpiece, thereby achieving a continuous processing effect and improving the processing efficiency.

[0027] The riveting mechanism 5 includes a cylinder 501, the cylinder 501 is fixedly installed on the top of the fixed plate 4, the lifting plate 502 is fixedly installed on the bottom of the cylinder 501, the motor 2 503 is fixedly installed on the bottom of the lifting plate 502, and the rivet head 504 is fixedly installed on the output shaft of the motor 2 503.

[0028] The cylinder 501 drives the second motor 503 and the riveting head 504 to rise and fall, contact and squeeze the workpiece, and the second motor 503 drives the riveting head 504 to rotate to complete the riveting.

[0029] Sliding rods are fixedly installed at both ends of the top of the lifting plate 502, and a sliding opening located on the outer surface of the two sliding rods is opened inside the fixed plate 4. Under the action of the sliding opening and the sliding rod, the stability of the lifting plate 502 when moving up and down is improved. When the lifting plate 502 moves up and down, the two sliding rods are driven to move up and down in the sliding opening, thereby achieving stable guidance of the lifting plate 502.

[0030] The positioning mechanism 6 includes an electric telescopic rod 601 . The electric telescopic rods 601 are fixedly installed at both ends of the bottom of the lifting plate 502 . The bottoms of the two electric telescopic rods 601 are fixedly installed with positioning pieces 602 .

[0031] The two electric telescopic rods 601 can drive the two positioning plates 602 to rise and fall, and the two positioning plates 602 are pressed down on the workpiece to achieve stable fixation of the workpiece, prevent the workpiece from shifting during the processing, and improve the accuracy of the processing.

[0032] When implementing, follow these steps:

[0033] 1) First, place six workpieces into the six workpiece placement slots 206 respectively;

[0034] 2) Then the cylinder 501 drives the lifting plate 502 to descend, and the lifting plate 502 drives the riveting head 504 to descend to rivet the workpiece;

[0035] 3) Before riveting, the workpiece needs to be positioned. First, two electric telescopic rods 601 drive two positioning plates 602 to descend and contact the top of the workpiece, so as to stably fix the workpiece in the workpiece placement groove 206;

[0036] 4) When one of the workpieces is processed, the motor 201 drives the workbench 202 to rotate stably between the two rotating grooves, so that the next workpiece placement groove 206 is located below the riveting head 504 for riveting work, and the processing of the six workpieces is completed in sequence and continuously.

[0037] In summary, the assembly table for riveting and assembling aerospace structural parts can make the workbench 202 rotate smoothly by setting the riveting support mechanism 2, so that the six workpiece placement slots 206 can rotate. When the processing of the structural parts in a workpiece placement slot 206 is completed, it rotates to the next workpiece placement slot 206, and continuous processing is carried out in sequence, which greatly improves the processing efficiency.

[0038] Furthermore, by providing the positioning mechanism 6, the structural member placed inside the workpiece placement groove 206 can be stably fixed to prevent the workpiece from being displaced during the riveting process, thereby improving the processing effect.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0040] Although 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. An assembly table for riveting and assembling aerospace structural parts, comprising a base (1), characterized in that: A riveting support mechanism (2) is provided at the top of the base (1), a vertical plate (3) is provided at the rear end of the bottom of the base (1), a fixing plate (4) is fixedly mounted on the top of the vertical plate (3), and a riveting mechanism (5) and a positioning mechanism (6) are provided at the bottom of the fixing plate (4); The riveting support mechanism (2) comprises a motor (201), the top of the base (1) is fixedly mounted with the motor (201), a workbench (202) is fixedly mounted at the output shaft of the motor (201), both ends of the top of the base (1) are fixedly mounted with fixed seats (203), both ends of the bottom of the workbench (202) are fixedly mounted with support rods (204), the bottoms of the two support rods (204) are provided with guide wheels (205), the top of the workbench (202) is provided with six workpiece placement grooves (206), and positioning columns (207) are fixedly mounted on the inner bottom walls of the six workpiece placement grooves (206).

2. The assembly table for riveting and assembling aerospace structural parts according to claim 1, characterized in that: The riveting mechanism (5) comprises a cylinder (501), the top of the fixed plate (4) is fixedly mounted with the cylinder (501), the bottom of the cylinder (501) is fixedly mounted with a lifting plate (502), the bottom of the lifting plate (502) is fixedly mounted with a second motor (503), and a riveting head (504) is fixedly mounted at the output shaft of the second motor (503).

3. The assembly table for riveting and assembling aerospace structural parts according to claim 2, characterized in that: The positioning mechanism (6) comprises an electric telescopic rod (601), and the electric telescopic rods (601) are fixedly mounted at both ends of the bottom of the lifting plate (502), and positioning plates (602) are fixedly mounted at the bottoms of the two electric telescopic rods (601).

4. The assembly table for riveting and assembling aerospace structural parts according to claim 1, characterized in that: A rotation groove matched with the workbench (202) is provided on opposite sides of the two fixing seats (203), and the workbench (202) is rotatably installed between the two rotation grooves.

5. The assembly table for riveting and assembling aerospace structural parts according to claim 1, characterized in that: The number of the workpiece placement grooves (206) is six, the workbench (202) is cylindrical, and the six workpiece placement grooves (206) are distributed on the top of the workbench (202) at equal distances with the center of the workbench (202) as the center.

6. The assembly table for riveting and assembling aerospace structural parts according to claim 2, characterized in that: Sliding rods are fixedly installed at both ends of the top of the lifting plate (502), and the interior of the fixed plate (4) is provided with sliding openings located on the outer surfaces of the two sliding rods, and the two sliding rods are slidably connected to the sliding openings.

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