Vacuum filling equipment for radome production

By introducing a combined structure of a spray rack and a pouring rack into the radome production equipment and utilizing components such as electric push rods and rotating cylinders, the problem of uneven spraying of the release agent was solved, achieving higher-quality radome production.

CN120680665APending Publication Date: 2025-09-23ANHUI TELMA TECH LTD
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Patent Information

Application Number
CN202510973383.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-15
Publication Date
2025-09-23

AI Technical Summary

Technical Problem

Existing radome production equipment has difficulty achieving uniform spraying when spraying release agents, resulting in problems such as stretching, scratches, tears or damage on the surface of the product.

Method used

The spray rack and pouring rack structure are adopted, combined with electric push rods, lifting plates, rotating cylinders, gear racks and other components to achieve uniform spraying of the release agent. The cooperation of the rotating nozzle and the guide block ensures the uniform distribution of the release agent in the radome pouring cavity.

Benefits of technology

The uniform spraying of the release agent is achieved, which avoids the increase of adhesion between the product and the mold, reduces the damage during demoulding, and improves the quality of the product.

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Abstract

The invention discloses vacuum filling equipment for radome production, and relates to the technical field of radome production, the vacuum filling equipment comprises a spray frame and a filling frame, the upper surface of the filling frame is fixedly connected with a glass fiber reinforced plastic mold, the two sides of the glass fiber reinforced plastic mold are both provided with second electric push rods, and the output ends of the two second electric push rods are jointly and fixedly connected with a sealing cover. Through cooperation of a first electric push rod, a lifting plate, a moving plate, a threaded rod driving part and other structures, a rotating cylinder can move in a radome pouring cavity, meanwhile, a first gear is engaged with an arc-shaped rack to drive the rotating cylinder to rotate, combination of moving and rotating spraying is achieved, a release agent is sprayed more uniformly, and the spraying efficiency is improved. A fifth guide rail and a rack are driven to move when a rotating cylinder rotates, a guide block is matched with an arc-shaped groove of a cam, the rack transversely moves in a reciprocating mode, then a second gear, a rotating pipe and a rotating spray head are driven to rotate back and forth, and the spraying uniformity degree of the release agent is further improved.
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Description

Technical Field

[0001] The present invention relates to the technical field of radome production, in particular to vacuum perfusion equipment for radome production. Background Art

[0002] In the field of radome production technology, existing vacuum infusion equipment for radome production has certain deficiencies during the production process. For example, some existing devices struggle to achieve uniform application of release agent within the radome's infusion cavity. This can lead to increased adhesion between the product and the mold, making it prone to surface scratches, tears, or breakage during demolding, thus reducing product quality.

[0003] Based on this, a vacuum infusion device for radar cover production is now provided, which can eliminate the disadvantages of the existing devices. Summary of the Invention

[0004] The object of the present invention is to provide a vacuum infusion device for producing radomes, so as to solve the problem that the existing devices in the background technology are difficult to achieve uniform spraying when spraying the release agent into the infusion cavity of the radome.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A vacuum perfusion device for producing radomes, comprising a spray rack and a perfusion rack, wherein a fiberglass reinforced plastic mold is fixedly connected to the upper surface of the perfusion rack, a second electric push rod is provided on both sides of the fiberglass reinforced plastic mold, and a sealing cover is fixedly connected to the output ends of the two second electric push rods, and the sealing cover is slidably connected to the upper surface of the perfusion rack, the fiberglass reinforced plastic mold is provided with a radome perfusion cavity, a vacuum tube and a valve are provided on the side wall of the fiberglass reinforced plastic mold, and an injection pipe and a valve are provided on the side wall of the sealing cover;

[0007] A release agent component is provided on the lower surface of the spray rack for evenly spraying the release agent into the radome pouring cavity.

[0008] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0009] In an optional solution: the spray rack is provided with two first electric push rods, the output ends of the two first electric push rods are commonly fixedly connected to a lifting plate, the lower surface of the lifting plate is fixedly connected to a mounting plate and a fixed plate, a guide rod is fixedly connected between the mounting plate and the fixed plate, the guide rod passes through and is slidably connected to a movable plate, a first threaded rod driving member is provided between the fixed plate and the mounting plate, for driving the movable plate to move, a rotating cylinder is provided on the side wall of the movable plate, a plurality of rotating nozzles are provided on the circumference of the rotating cylinder, and a hole with the same shape as the radar cover perfusion cavity is opened on the side wall of the fixed plate.

[0010] In an optional solution: the side wall of the movable plate is fixedly connected to the third guide rail, the inner wall of the third guide rail is slidably connected to the fourth slider, the lower surface of the fourth slider is fixedly connected to the fourth guide rail, the inner wall of the fourth guide rail is slidably connected to the second slider, the second slider is connected to the rotating cylinder through a bearing, the side wall of the movable plate is provided with a second guide rail, the shape of the second guide rail is the same as the radar cover perfusion cavity, the inner wall of the second guide rail is slidably connected to the first slider, the first slider is connected to the rotating cylinder through a bearing, and the side wall of the movable plate is provided with a second threaded rod driving member for driving the fourth guide rail to move.

[0011] In an optional solution: the side wall of the movable plate is fixedly connected with an arc-shaped rack, the peripheral side of the rotating cylinder is fixedly connected with a first gear, and the first gear is meshed with the arc-shaped rack.

[0012] In an optional solution: the lower surface of the fourth guide rail is fixedly connected to the first guide rail through a bracket, the inner wall of the first guide rail is slidably connected to the third slider, the side wall of the third slider is fixedly connected to a cam, an arc groove is provided in the cam, several of the rotating spray heads are fixedly connected to a rotating tube, several of the rotating tubes are commonly connected to a spray tube through a bearing, the spray tube is connected to the third slider through a bearing, the inner wall of the rotating cylinder is fixedly connected to the fifth guide rail, the inner wall of the fifth guide rail is slidably connected to a rack, the rack is fixedly connected to a guide block at one end away from the rotating cylinder, the guide block is slidably connected to the inner wall of the arc groove of the cam, several of the rotating tubes are fixedly connected to a second gear, and the second gear is meshed with the rack.

[0013] In an optional solution, the cross-sections of the third sliding block and the spray pipe are cross-shaped.

[0014] In an optional solution: the cross-section of the fourth slider is T-shaped.

[0015] In an optional solution: the side wall of the fixing plate is provided with a chamfer.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The present invention enables the rotating cylinder to move in the radome pouring chamber through the coordination of the first electric push rod, the lifting plate, the moving plate, the threaded rod driving member and other structures. At the same time, the first gear engages with the arc-shaped rack to drive the rotating cylinder to rotate, realizing the combination of movement and rotation spraying, making the release agent spray more uniform.

[0018] 2. The present invention drives the fifth guide rail and the rack to move when the rotating cylinder rotates. The guide block cooperates with the arc groove of the cam to make the rack move back and forth horizontally, thereby driving the second gear, the rotating tube and the rotating nozzle to rotate back and forth, further improving the uniformity of the release agent spraying. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present invention.

[0020] Figure 2 This is a first viewing angle diagram of the present invention.

[0021] Figure 3 This is a second viewing angle diagram of the present invention.

[0022] Figure 4 This is a first perspective view of the release agent component of the present invention.

[0023] Figure 5 This is a second viewing angle view of the release agent component of the present invention.

[0024] Figure 6 It is a schematic diagram of the movable plate structure of the present invention.

[0025] Figure 7 It is a schematic structural diagram of the spray module of the present invention.

[0026] Figure 8 For the present invention Figure 7 Enlarged view of point A in the middle.

[0027] Figure 9 For the present invention Figure 7 Enlarged view of point B in the middle.

[0028] Notes on figure numbers: 1 spray rack, 2 first electric push rod, 3 pouring rack, 4 cylinder mounting plate, 5 sealing cover, 6 second electric push rod, 7 lifting plate, 8 release agent assembly, 9 vacuum tube, 10 injection tube, 11 mounting plate, 12 fixed plate, 13 moving plate, 14 first threaded rod driving member, 15 second threaded rod driving member, 16 arc-shaped rack, 17 first guide rail, 18 first gear, 19 rotating nozzle, 20 first slider, 21 guide rod, 22 second guide rail, 23 third guide rail, 24 fourth guide rail, 25 rotating cylinder, 26 second slider, 27 third slider, 28 spray tube, 29 fourth slider, 30 rack, 31 cam, 32 guide block, 33 fifth guide rail, 34 second gear, 35 rotating tube, 36 fiberglass mold. DETAILED DESCRIPTION

[0029] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0030] In one embodiment, Figures 1-9As shown, a vacuum perfusion equipment for radome production includes a spray rack 1 and a perfusion rack 3. A fiberglass mold 36 is fixedly connected to the upper surface of the perfusion rack 3. Second electric push rods 6 are provided on both sides of the fiberglass mold 36. The output ends of the two second electric push rods 6 are fixedly connected to a cover 5. The cover 5 is slidably connected to the upper surface of the perfusion rack 3. The fiberglass mold 36 defines a radome perfusion cavity. A vacuum tube 9 and a valve are provided on the side wall of the fiberglass mold 36. An injection pipe 10 and a valve are provided on the side wall of the cover 5.

[0031] A release agent assembly 8 is provided on the lower surface of the spray rack 1 for uniformly spraying the release agent into the radome pouring cavity.

[0032] After spraying the release agent, start the first electric push rod 2 to drive the release agent assembly 8 to rise, and then start the second electric push rod 6. The second electric push rod 6 drives the cover 5 to move toward the direction of the FRP mold 36 and merge with the FRP mold 36. First, open the valve to discharge the air in the FRP mold 36 from the vacuum tube 9, and then pour the pouring material into the FRP mold 36 from the injection pipe 10 for pouring molding.

[0033] In one embodiment, the spray rack 1 is provided with two first electric push rods 2, and the output ends of the two first electric push rods 2 are commonly fixedly connected to a lifting plate 7, and the lower surface of the lifting plate 7 is fixedly connected to a mounting plate 11 and a fixed plate 12, and a guide rod 21 is fixedly connected between the mounting plate 11 and the fixed plate 12, and the guide rod 21 is slidably connected to a movable plate 13, and a first threaded rod driving member 14 is provided between the fixed plate 12 and the mounting plate 11, for driving the movable plate 13 to move, and a rotating cylinder 25 is provided on the side wall of the movable plate 13, and a plurality of rotating nozzles 19 are provided on the periphery of the rotating cylinder 25, and a hole with the same shape as the radome perfusion cavity is opened on the side wall of the fixed plate 12.

[0034] Start the first electric push rod 2, which drives the lifting plate 7 to descend until the hole of the fixed plate 12 is opposite to the pouring cavity of the fiberglass reinforced plastic mold 36. At this time, start the first threaded rod driving member 14, which drives the movable plate 13 to move forward, so that the rotating cylinder 25 enters the radome pouring cavity. Start the external pump to spray the demolding agent into the radome pouring cavity through the spray pipe 28 and the rotating nozzle 19.

[0035] In one embodiment, a third guide rail 23 is fixedly connected to the side wall of the movable plate 13, a fourth slider 29 is slidably connected to the inner wall of the third guide rail 23, a fourth guide rail 24 is fixedly connected to the lower surface of the fourth slider 29, a second slider 26 is slidably connected to the inner wall of the fourth guide rail 24, the second slider 26 is connected to the rotating cylinder 25 through a bearing, a second guide rail 22 is opened on the side wall of the movable plate 13, the shape of the second guide rail 22 is the same as that of the radome perfusion cavity, a first slider 20 is slidably connected to the inner wall of the second guide rail 22, the first slider 20 is connected to the rotating cylinder 25 through a bearing, and a second threaded rod driving member 15 is provided on the side wall of the movable plate 13 for driving the fourth guide rail 24 to move.

[0036] The second threaded rod driving member 15 is started, and the second threaded rod driving member 15 drives the fourth guide rail 24 to move horizontally. At this time, the fourth guide rail 24 drives the rotating cylinder 25 to move along the track of the second guide rail 22 to spray the release agent into the radome perfusion cavity.

[0037] In one embodiment, an arc-shaped rack 16 is fixedly connected to the side wall of the movable plate 13 , and a first gear 18 is fixedly connected to the circumference of the rotating cylinder 25 . The first gear 18 is meshed with the arc-shaped rack 16 .

[0038] While the rotating cylinder 25 moves along the radome perfusion cavity, the first gear 18 cooperates with the arc-shaped rack 16 to rotate the rotating cylinder 25, allowing the rotating cylinder 25 to rotate and spray while moving along the radome perfusion cavity, so that the release agent is sprayed more evenly.

[0039] In one embodiment, the lower surface of the fourth guide rail 24 is fixedly connected to the first guide rail 17 through a bracket, the inner wall of the first guide rail 17 is slidably connected to the third slider 27, the side wall of the third slider 27 is fixedly connected to the cam 31, an arc groove is provided in the cam 31, and several rotating nozzles 19 are fixedly connected to the rotating tube 35, and the several rotating tubes 35 are commonly connected to the spray tube 28 through a bearing, and the spray tube 28 is connected to the third slider 27 through a bearing. The inner wall of the rotating cylinder 25 is fixedly connected to the fifth guide rail 33, and the inner wall of the fifth guide rail 33 is slidably connected to the rack 30. The rack 30 is fixedly connected to a guide block 32 at one end away from the rotating cylinder 25, and the guide block 32 is slidably connected to the inner wall of the arc groove of the cam 31. The several rotating tubes 35 are fixedly connected to the second gear 34, and the second gear 34 is meshed with the rack 30.

[0040] When the rotating cylinder 25 rotates, it drives the fifth guide rail 33 to rotate, and the fifth guide rail 33 drives the rack 30 to rotate. When the rack 30 rotates, the guide block 32 cooperates with the arc groove of the cam 31, and the guide block 32 moves in the cam 31, so that the two racks 30 move back and forth laterally during the rotation process. The reciprocating movement of the rack 30 drives the second gear 34 to rotate back and forth, and the second gear 34 drives the rotating tube 35 and the rotating nozzle 19 to rotate back and forth, so that the rotating nozzle 19 performs rotational spraying, further improving the uniformity of spraying the release agent, avoiding uneven spraying of the release agent, and enhancing the adhesion between the product and the mold. During demolding, the surface of the product is scratched, torn or damaged, thereby reducing the quality of the product.

[0041] In one embodiment, the cross-sections of the third slider 27 and the spray pipe 28 are cross-shaped.

[0042] In one embodiment, the fourth slider 29 has a T-shaped cross section.

[0043] In one embodiment, the sidewall of the fixing plate 12 is provided with a chamfer.

[0044] The above embodiment discloses a vacuum infusion device for producing radomes, and its specific working principle and process are as follows:

[0045] S1: Start the first electric push rod 2, which drives the lifting plate 7 to descend until the hole of the fixed plate 12 is aligned with the pouring cavity of the fiberglass reinforced plastic mold 36. At this time, start the first threaded rod driving member 14, which drives the movable plate 13 to move forward, so that the rotating cylinder 25 enters the pouring cavity of the radome. Start the external pump to spray the release agent into the pouring cavity of the radome through the spray pipe 28 and the rotating nozzle 19.

[0046] S2: Start the second threaded rod driving member 15, which drives the fourth guide rail 24 to move horizontally. At this time, the fourth guide rail 24 drives the rotating cylinder 25 to move along the track of the second guide rail 22 to spray the release agent into the radome filling cavity;

[0047] S3: As the rotating drum 25 moves along the radome pouring cavity, the first gear 18 cooperates with the arc-shaped rack 16 to rotate the rotating drum 25. The rotating drum 25 rotates and sprays while moving along the radome pouring cavity, so that the release agent is sprayed more evenly.

[0048] S4: When the rotating cylinder 25 rotates, it drives the fifth guide rail 33 to rotate, and the fifth guide rail 33 drives the rack 30 to rotate. When the rack 30 rotates, the guide block 32 cooperates with the arc groove of the cam 31, and the guide block 32 moves in the cam 31, so that the two racks 30 move back and forth laterally during the rotation process. The reciprocating movement of the rack 30 drives the second gear 34 to rotate back and forth, and the second gear 34 drives the rotating tube 35 and the rotating nozzle 19 to rotate back and forth, so that the rotating nozzle 19 performs rotational spraying, further improving the uniformity of spraying the release agent, avoiding uneven spraying of the release agent, and enhancing the adhesion between the product and the mold. During demolding, the surface of the product is scratched, torn or damaged, thereby reducing the quality of the product.

[0049] S5: After spraying the release agent, start the first electric push rod 2 to drive the release agent component 8 to rise, and then start the second electric push rod 6. The second electric push rod 6 drives the cover 5 to move toward the direction of the FRP mold 36 and fit with the filling cavity of the FRP mold 36. First, open the valve to discharge the air in the FRP mold 36 from the vacuum tube 9, and then pour the filling material into the FRP mold 36 from the injection pipe 10 for filling molding.

[0050] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. A vacuum infusion equipment for radome production, characterized in that: The invention comprises a spray frame (1) and a pouring frame (3), wherein a glass fiber reinforced plastic mold (36) is provided on the upper surface of the pouring frame (3) through a bracket, and two cylinder mounting plates (4) are fixedly connected to the upper surface of the pouring frame (3), and the two cylinder mounting plates (4) are both provided with a second electric push rod (6), and the output ends of the two second electric push rods (6) are fixedly connected to a cover (5), and the cover (5) is slidably connected to the upper surface of the pouring frame (3), and the glass fiber reinforced plastic mold (36) is provided with a radome pouring cavity, and a vacuum tube (9) and a valve are provided on the side wall of the glass fiber reinforced plastic mold (36), and an injection pipe (10) and a valve are provided on the side wall of the cover (5); A release agent component (8) is provided on the lower surface of the spray rack (1) for uniformly spraying the release agent into the radome perfusion cavity.

2. The vacuum infusion equipment for producing radomes according to claim 1, characterized in that: The spray rack (1) is provided with two first electric push rods (2), and the output ends of the two first electric push rods (2) are fixedly connected to a lifting plate (7). The lower surface of the lifting plate (7) is fixedly connected to a mounting plate (11) and a fixed plate (12). A guide rod (21) is fixedly connected between the mounting plate (11) and the fixed plate (12). The guide rod (21) is slidably connected to a movable plate (13). A first threaded rod driving member (14) is provided between the fixed plate (12) and the mounting plate (11) for driving the movable plate (13) to move. A rotating cylinder (25) is provided on the side wall of the movable plate (13), and a plurality of rotating spray heads (19) are provided on the circumference of the rotating cylinder (25). A hole with the same shape as the radome perfusion cavity is opened on the side wall of the fixed plate (12).

3. The vacuum infusion equipment for producing radomes according to claim 2, characterized in that: The side wall of the movable plate (13) is fixedly connected with a third guide rail (23), the inner wall of the third guide rail (23) is slidably connected with a fourth slider (29), the lower surface of the fourth slider (29) is fixedly connected with a fourth guide rail (24), the inner wall of the fourth guide rail (24) is slidably connected with a second slider (26), the second slider (26) is connected to the rotating cylinder (25) through a bearing, the side wall of the movable plate (13) is provided with a second guide rail (22), the shape of the second guide rail (22) is the same as that of the radome perfusion chamber, the inner wall of the second guide rail (22) is slidably connected with a first slider (20), the first slider (20) is connected to the rotating cylinder (25) through a bearing, and the side wall of the movable plate (13) is provided with a second threaded rod driving member (15) for driving the fourth guide rail (24) to move.

4. The vacuum infusion equipment for producing radomes according to claim 2, characterized in that: The side wall of the movable plate (13) is fixedly connected with an arc-shaped rack (16), and the peripheral side of the rotating cylinder (25) is fixedly connected with a first gear (18), and the first gear (18) is meshed with the arc-shaped rack (16).

5. The vacuum infusion equipment for producing radomes according to claim 3, characterized in that: The lower surface of the fourth guide rail (24) is fixedly connected to the first guide rail (17) through a bracket, the inner wall of the first guide rail (17) is slidably connected to the third slider (27), the side wall of the third slider (27) is fixedly connected to a cam (31), an arc groove is provided in the cam (31), and several of the rotating spray heads (19) are fixedly connected to a rotating tube (35), and the several rotating tubes (35) are commonly connected to a spray tube (28) through a bearing, and the spray tube (28) is connected to the third slider. The block (27) is connected through a bearing, the inner wall of the rotating cylinder (25) is fixedly connected with a fifth guide rail (33), the inner wall of the fifth guide rail (33) is slidably connected with a rack (30), the end of the rack (30) away from the rotating cylinder (25) is fixedly connected with a guide block (32), the guide block (32) is slidably connected to the inner wall of the arc groove of the cam (31), and a plurality of the rotating tubes (35) are fixedly connected with a second gear (34), and the second gear (34) is meshed with the rack (30).

6. The vacuum infusion equipment for producing radomes according to claim 5, characterized in that: The cross sections of the third slider (27) and the spray pipe (28) are cross-shaped.

7. The vacuum infusion equipment for producing radomes according to claim 3, characterized in that: The fourth slider (29) has a T-shaped cross section.

8. The vacuum infusion equipment for producing radomes according to claim 2, characterized in that: The side wall of the fixing plate (12) is provided with a chamfer.