Positioning clamp for ship accessory production
By designing a highly adaptable positioning fixture, the problem of poor clamping stability of irregular structures of ship accessories was solved, stable positioning and smoke purification were achieved, and processing quality was improved.
Patent Information
- Application Number
- CN202421475003.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-06-26
AI Technical Summary
General fixtures have poor clamping stability for the irregular structure and variable surface shape of ship accessories, which affects the subsequent processing quality.
A positioning fixture including an operating table, a rotating channel, a sliding tube, a rotating tube, an arc tube and an airbag was designed. The airbag adaptively fits the surface of the accessory through motor-driven rotation and electric push rod adjustment, and is inflated and positioned through the inflation component. The airbag is combined with solenoid valve control and a filter box to purify the smoke.
It improves the positioning stability and processing quality of ship accessories, adapts to different sizes and surface shapes, and can effectively purify welding fumes.
Smart Images

Figure CN223313290U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ship production, in particular to a positioning fixture for the production of ship accessories. Background Art
[0002] A ship is a man-made means of transportation that mainly operates in geographical waters. Its interior mainly includes a storage space, a supporting structure, and a drainage structure. It has a propulsion system that utilizes external or self-provided energy. During the production process of a ship, it is necessary to use fixtures to fix and process its accessories.
[0003] Since most ship accessories have irregular structures and their surface shapes are also varied, general fixtures have poor stability when clamping ship accessories, which affects the quality of subsequent processing.
[0004] Therefore, it is necessary to propose a positioning fixture for ship accessories production to solve the above problems. Utility Model Content
[0005] The purpose of the present utility model is to provide a positioning fixture for the production of ship accessories, so as to solve the problem raised in the above background technology that since most ship accessories have irregular structures and their surface shapes are also variable, the stability of general fixtures when clamping ship accessories is generally poor, which affects the quality of subsequent processing.
[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a positioning fixture for the production of ship accessories, comprising an operating table, a second chamber is provided inside the operating table, a rotating channel is provided at the four corners of the operating table, a square opening is provided on the inner wall of the rotating channel, the square opening is communicated with the second chamber, a sliding tube is slidably connected to the inside of the square opening, one end of the sliding tube located inside the rotating channel is rotatably connected to the rotating tube, the rotating tube is communicated with the sliding tube, the end of the rotating tube away from the sliding tube is fixedly connected to an arc tube, the arc tube is communicated with the rotating tube, the end of the arc tube away from the rotating tube is communicated with an airbag, an electromagnetic valve is fixedly installed inside the arc tube, an adjusting component cooperating with the sliding tube is provided inside the rotating channel, and an inflation component is provided at the bottom of the operating table.
[0007] Preferably, a motor is fixedly connected to the outer wall of the sliding tube, and the rotating tube is fixedly connected to the driving shaft of the motor.
[0008] Preferably, the adjustment assembly includes a support block and an electric push rod, the support block is fixedly connected to the outer wall of the sliding tube, one end of the electric push rod is fixedly connected to the support block, and the other end of the electric push rod is fixedly connected to the inner wall of the rotating channel.
[0009] Preferably, the inflation assembly includes a first air duct and a pump body, the pump body is fixedly connected to the lower surface of the operating table, one end of the first air duct is connected to the second chamber, and the other end of the first air duct is connected to the air outlet end of the pump body.
[0010] Preferably, a first chamber is provided inside the operating table, and an air outlet is provided on the upper surface of the operating table, the air outlet is communicated with the first chamber, and the air outlet is provided in plurality, and the plurality of air outlets are distributed at equal distances.
[0011] Preferably, a filter box is fixedly connected to the lower surface of the operating table, a third air duct is connected to the filter box, an end of the third air duct away from the filter box is connected to the first chamber, a second air duct is connected to the air inlet end of the pump body, an end of the second air duct away from the pump body is connected to the filter box.
[0012] The technical effects and advantages of this utility model are:
[0013] 1. According to the structural characteristics of the workpiece, start the motor inside the corresponding rotating channel. The rotation of the motor drives the rotating tube to rotate, and the rotation of the rotating tube drives the arc tube to flip. The airbag also flips to the top of the operating table. At the same time, the electric push rod controls the slide tube to slide back and forth inside the square mouth, so that the airbag fits on the accessory, improving the applicability of the positioning fixture; then start the pump body, and the pump body transports gas to the interior of the arc tube through the first air duct, the second chamber, the slide tube and the rotating tube, so that the airbag expands and becomes adaptively abutted against the upper surface of the accessory. Then close the solenoid valve to improve the stability of positioning;
[0014] 2. During the operation of the pump body, the smoke generated by welding and other operations is sucked through the third air duct, the first chamber and the air outlet, and the smoke is filtered and purified inside the filter box. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the structure of a positioning fixture used in the production of ship accessories of the present utility model.
[0016] Figure 2 For this utility model Figure 1 Enlarged structural diagram at point A in the middle.
[0017] Figure 3 This is a schematic structural diagram of the operating table, the first chamber and the second chamber of the utility model.
[0018] Figure 4 This is a schematic diagram of the arc tube and rotating tube structure of the utility model.
[0019] Figure 5 This is a schematic diagram of the arc tube and airbag structure of the utility model.
[0020] In the figure: 1. Operating table; 2. Rotating channel; 3. Square opening; 4. Sliding pipe; 5. Rotating pipe; 6. Arc pipe; 7. Motor; 8. Support block; 9. Electric push rod; 10. Air bag; 11. First air duct; 12. Pump body; 13. Second air duct; 14. Filter box; 15. Third air duct; 16. First chamber; 17. Air outlet; 18. Second chamber; 19. Solenoid valve. DETAILED DESCRIPTION
[0021] The following will be combined with the accompanying drawings in the embodiments of the present invention to clarify the technical solutions in the embodiments of the present invention; it is clear that the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0022] The utility model provides Figure 1-Figure 5 A positioning fixture for the production of ship accessories is shown, including an operating table 1, and support columns are fixedly connected to the four corners of the lower surface of the operating table 1. A second chamber 18 is provided inside the operating table 1, and a rotating channel 2 is provided at the four corners of the operating table 1. In specific use, more rotating channels 2 can be provided. A square opening 3 is provided on the inner wall of the rotating channel 2, and the square opening 3 is connected to the second chamber 18. The inside of the square opening 3 is slidably connected to a sliding tube 4, and the sliding tube 4 slides back and forth inside the square opening 3 to meet the needs of accessories of different sizes. The end of the sliding tube 4 located inside the rotating channel 2 is rotatably connected to a rotating tube 5, and the rotating tube 5 is connected to the sliding tube 4. The end of the rotating tube 5 away from the sliding tube 4 is fixedly connected to an arc tube 6, and the arc tube 6 is connected to the rotating tube 5, refer to Figure 1 Before positioning, arc tube 6 is retracted within rotating channel 2, its upper surface being concave. The end of arc tube 6, away from rotating tube 5, is connected to an airbag 10. When inflated, airbag 10 adapts to the upper surface of the accessory, accommodating workpieces of varying surface shapes and improving positioning stability. A solenoid valve 19 is fixedly mounted within arc tube 6 to control the connection status of arc tube 6.
[0023] A motor 7 is fixedly connected to the outer wall of the sliding tube 4 , and the rotating tube 5 is fixedly connected to the driving shaft of the motor 7 .
[0024] During operation, the motor 7 rotates to drive the rotating tube 5 to rotate, and the rotating tube 5 rotates to drive the arc tube 6 to flip.
[0025] To accommodate accessories of varying sizes and improve the applicability of the positioning fixture, an adjustment assembly is provided within the rotating channel 2 that cooperates with the slide tube 4. The adjustment assembly comprises a support block 8 and an electric push rod 9. The support block 8 is fixedly connected to the outer wall of the slide tube 4, one end of the electric push rod 9 is fixedly connected to the support block 8, and the other end of the electric push rod 9 is fixedly connected to the inner wall of the rotating channel 2.
[0026] During operation, when the rotating tube 5 rotates to drive the arc tube 6 and the airbag 10 to flip, the electric push rod 9 drives the sliding tube 4 to slide back and forth inside the square opening 3 to meet the needs of accessories of different sizes.
[0027] An inflation assembly is provided at the bottom of the operating table 1, comprising a first air duct 11 and a pump body 12. The pump body 12 is fixedly connected to the lower surface of the operating table 1, with one end of the first air duct 11 communicating with the second chamber 18, and the other end of the first air duct 11 communicating with the air outlet of the pump body 12.
[0028] Specifically, according to the structural characteristics of the workpiece, the motor 7 inside the corresponding rotating channel 2 is started, the rotation of the motor 7 drives the rotating tube 5 to rotate, the rotation of the rotating tube 5 drives the arc tube 6 to flip, and the airbag 10 is also flipped to the top of the operating table 1. At the same time, the electric push rod 9 controls the slide tube 4 to slide back and forth inside the square mouth 3, so that the airbag 10 fits on the accessory, improving the applicability of the positioning fixture; then the pump body 12 is started, and the pump body 12 transports gas to the inside of the arc tube 6 through the first air duct 11, the second chamber 18, the slide tube 4 and the rotating tube 5, so that the airbag 10 expands and becomes larger, and the airbag 10 adaptively abuts against the upper surface of the accessory, and then the solenoid valve 19 is closed to improve the stability of positioning.
[0029] Considering that welding and other operations are required after the parts are positioned, and that welding and other operations generate fumes, a first chamber 16 is defined within the operating table 1, and air vents 17 are defined on its upper surface. Air vents 17 communicate with the first chamber 16, and multiple air vents 17 are provided, equidistantly spaced. In actual use, an air hood connected to the air vents 17 can also be provided on the operating table 1 to enhance fume extraction.
[0030] A filter box 14 is fixedly connected to the lower surface of the operating table 1. Inside the filter box 14, a filtering device, such as a filter screen, and a purification device, such as activated carbon, are installed to filter and purify the smoke. Both the filtering device and the purification device are conventionally used and will not be described in detail here. A third air duct 15 is connected to the filter box 14. The end of the third air duct 15, which is remote from the filter box 14, is connected to the first chamber 16. The air inlet end of the pump body 12 is connected to the second air duct 13. The end of the second air duct 13, which is remote from the pump body 12, is connected to the filter box 14.
[0031] During operation, when the pump body 12 is in operation, smoke generated by welding or other operations is sucked through the third air duct 15 , the first chamber 16 and the air port 17 , and the smoke is filtered and purified inside the filter box 14 .
[0032] Since the solenoid valve 19 is in a closed state at this time, a pressure relief device can be provided on the first air duct 11 during specific use without affecting the normal operation of the pump body 12. The pressure relief device is a common existing technology and will not be described in detail here.
Claims
1. A positioning fixture for producing ship accessories, comprising an operating table (1), characterized in that: A second chamber (18) is provided inside the operating table (1), and a rotating channel (2) is provided at each of the four corners of the operating table (1). A square opening (3) is provided on the inner wall of the rotating channel (2), and the square opening (3) is communicated with the second chamber (18). A sliding tube (4) is slidably connected inside the square opening (3), and one end of the sliding tube (4) located inside the rotating channel (2) is rotatably connected to a rotating tube (5), and the rotating tube (5) is communicated with the sliding tube (4). The end of the rotating tube (5) away from the sliding tube (4) is fixedly connected to an arc tube (6), and the arc tube (6) is communicated with the rotating tube (5). The end of the arc tube (6) away from the rotating tube (5) is communicated with an air bag (10), and a solenoid valve (19) is fixedly installed inside the arc tube (6). An adjusting component cooperating with the sliding tube (4) is provided inside the rotating channel (2), and an inflation component is provided at the bottom of the operating table (1).
2. A positioning fixture for producing ship accessories according to claim 1, characterized in that: A motor (7) is fixedly connected to the outer wall of the sliding tube (4), and the rotating tube (5) is fixedly connected to the driving shaft of the motor (7).
3. The positioning fixture for producing ship accessories according to claim 1, characterized in that: The adjustment assembly comprises a support block (8) and an electric push rod (9), wherein the support block (8) is fixedly connected to the outer wall of the slide tube (4), one end of the electric push rod (9) is fixedly connected to the support block (8), and the other end of the electric push rod (9) is fixedly connected to the inner wall of the rotating channel (2).
4. The positioning fixture for producing ship accessories according to claim 1, characterized in that: The inflation assembly comprises a first air duct (11) and a pump body (12); the pump body (12) is fixedly connected to the lower surface of the operating table (1); one end of the first air duct (11) is connected to the second chamber (18); and the other end of the first air duct (11) is connected to the air outlet end of the pump body (12).
5. A positioning fixture for producing ship accessories according to claim 4, characterized in that: A first chamber (16) is provided inside the operating table (1), and an air outlet (17) is provided on the upper surface of the operating table (1). The air outlet (17) is communicated with the first chamber (16), and a plurality of air outlets (17) are provided, and the plurality of air outlets (17) are distributed at equal distances.
6. A positioning fixture for producing ship accessories according to claim 5, characterized in that: The lower surface of the operating table (1) is fixedly connected to a filter box (14), the filter box (14) is connected to a third air duct (15), and the end of the third air duct (15) away from the filter box (14) is connected to the first chamber (16), and the air inlet end of the pump body (12) is connected to a second air duct (13), and the end of the second air duct (13) away from the pump body (12) is connected to the filter box (14).