Accurate stretching forming device for resin prepreg honeycomb

Abstract

The utility model discloses a resin prepreg honeycomb precise stretching forming device which comprises a base, two sets of stretching mechanisms are installed on the base, servo air cylinders are installed on stretching mechanism fixing plates, a first connecting plate is fixed to the servo air cylinders, a long pipe is arranged on the first connecting plate, a row of suction nozzles are arranged on the long pipe, and the first connecting plate is connected with a second connecting plate. The second connecting plate is provided with a first guide rail, the first guide rail is slidably connected with a plurality of adsorption blocks, and adsorption block suction pipes are hermetically connected with suction nozzles; a negative-pressure connector is arranged at the top of the long pipe, and negative-pressure equipment is communicated with the negative-pressure connector through a second hose; in the stretching forming process, the suction opening of the adsorption block is always adsorbed on the edge between the adjacent rubber strips which cannot be sunken, the sinking of other edges cannot be interfered, and the stretching forming quality is improved; when the honeycomb moves close to the center in the direction perpendicular to the stretching direction, the adsorption block can slide on the first guide rail and does not interfere with the movement of the honeycomb close to the center, and accurate stretching forming of the honeycomb is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of resin honeycomb processing, and particularly relates to a precise stretching and forming device for resin prepreg honeycomb. Background Technique

[0002] Resin honeycomb is generally made into honeycomb core materials with special structures through a series of processes such as gluing, laminating, hot pressing, trimming, stretching, shaping, dipping, and curing, and has many advantages such as light weight, high strength, high modulus, flame retardancy, high temperature resistance, and low dielectric loss.

[0003] When manufacturing resin honeycomb, glue strips are applied on paper. The width of the glue strip is equal to the side length of the honeycomb hole, and the spacing between the glue strips is three times the side length of the honeycomb hole. Adjacent layers of paper are overlapped with dislocation, and the glue strips are cured by hot pressing. Like an accordion, the paper laminate is stretched into honeycomb, and then the springback stress is released by baking to shape the honeycomb. Then, dipping treatment is carried out to fill the pores, and the finished honeycomb is obtained by curing.

[0004] Currently, when stretching and forming honeycomb, there is a lack of precise stretching and forming equipment. Generally, the two sides of the honeycomb are directly fixed by a stretching piece for stretching, such as fixing methods like adsorption or gluing. Since the honeycomb will displace towards the center in the direction perpendicular to the stretching direction during the stretching process, and the side parts will produce depressions, directly fixing and stretching the two sides will not only easily damage the sides but also affect the overall forming quality. Content of the Utility Model

[0005] The utility model provides a precise stretching and forming device for resin prepreg honeycomb. During the stretching and forming process, the suction port of the suction block always adsorbs on the edge between adjacent glue strips that will not be sunken, without interfering with the depression of other edges, thus improving the stretching and forming quality; when the honeycomb displaces towards the center in the direction perpendicular to the stretching direction, the suction block can slide on the first guide rail without interfering with its displacement towards the center, realizing precise stretching and forming of the honeycomb, so as to solve the problems proposed in the above background technique.

[0006] To achieve the above object, the present utility model provides the following technical solution: A resin prepreg honeycomb precise stretching and forming device, including a base, on which two sets of stretching mechanisms are installed front and back, namely a first stretching mechanism and a second stretching mechanism, and the first stretching mechanism and the second stretching mechanism are arranged in a front-back mirror image; the stretching mechanism includes a fixed plate, on which a servo cylinder facing the opposite side is installed, the piston rod of the servo cylinder penetrates through the fixed plate and is fixed with a first connecting plate, a long tube is arranged on the first connecting plate, a row of suction nozzles is arranged on the long tube, the first connecting plate is connected with a second connecting plate through a connecting piece, a first guide rail is arranged at the lower part of the second connecting plate, and a plurality of adsorption blocks with the same number as the suction nozzles are slidably connected to the first guide rail. Each adsorption block is provided with a suction port, and the other side of the adsorption block is connected with a suction pipe, and the suction pipe is hermetically connected with the suction nozzle, and the suction pipe is a flexible pipe; a negative pressure connector is arranged at the top of the long tube, and a negative pressure device is installed on the fixed plate, and the negative pressure device is communicated with the negative pressure connector through a second flexible pipe.

[0007] Preferably, two left and right guide frames are fixed between the front and rear fixed plates, a second guide rail is arranged at the lower part of the guide frame, and the upper parts of the first connecting plate and the second connecting plate are slidably matched with the second guide rail.

[0008] Preferably, mounting plates are arranged on the fixed plates, screw holes are arranged on the mounting plates, and the fixed plates are fixedly connected with the base through bolts.

[0009] Preferably, a filter screen is arranged on the suction port.

[0010] Preferably, the adsorption block is in smooth contact with the first guide rail.

[0011] Preferably, there is a gap between the bottom end of the adsorption block and the base.

[0012] Compared with the prior art, the beneficial effects of the present utility model are:

[0013] 1. During the stretching and forming process, when the adsorption blocks on the front and rear sides are separated, the suction ports of the adsorption blocks always adsorb on the edges between the adjacent rubber strips that will not be sunken, and will not interfere with the sinking of other edges, improving the stretching and forming quality.

[0014] 2. When the honeycomb undergoes a displacement towards the center in the direction perpendicular to the stretching direction during stretching, the adsorption block can slide on the first guide rail without interfering with its displacement towards the center, realizing the precise stretching and forming of the honeycomb. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a top view structural schematic diagram of the present utility model;

[0016] Figure 2Schematic diagram of the long tube, suction nozzle, and negative pressure connector structure of the present utility model;

[0017] Figure 3 Schematic diagram of the second connecting plate, first guide rail, and adsorption block structure of the present utility model;

[0018] Figure 4 Schematic diagram of the first connecting plate, connecting piece, and guide frame structure of the present utility model.

[0019] In the figure: 1, base; 2, fixing plate; 3, servo cylinder; 4, first connecting plate; 5, long tube; 6, suction nozzle; 7, connecting piece; 8, second connecting plate; 9, first guide rail; 10, adsorption block; 11, suction port; 12, straw; 13, negative pressure connector; 14, negative pressure device; 15, second hose; 16, guide frame; 17, second guide rail; 18, mounting plate; 19, bolt; 20, filter screen. Detailed implementation manners

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1-4, the present utility model provides a resin prepreg honeycomb precise stretching and forming device, including a base 1. Two sets of stretching mechanisms are installed on the base 1 before and after, namely a first stretching mechanism and a second stretching mechanism, and the first stretching mechanism and the second stretching mechanism are mirror - imaged before and after; the stretching mechanism includes a fixed plate 2, a servo cylinder 3 facing the opposite side is installed on the fixed plate 2, the piston rod of the servo cylinder 3 penetrates through the fixed plate 2 and then is fixed with a first connecting plate 4, a long tube 5 is arranged on the first connecting plate 4, a row of suction nozzles 6 is arranged on the long tube 5, the first connecting plate 4 is connected with a second connecting plate 8 through a connecting piece 7, a first guide rail 9 is arranged at the lower part of the second connecting plate 8, and a plurality of adsorption blocks 10 with the same number as the suction nozzles 6 are slidably connected to the first guide rail 9. Each adsorption block 10 is provided with a suction port 11, the other side of the adsorption block 10 is connected with a suction pipe 12, the suction pipe 12 is hermetically connected with the suction nozzle 6, and the suction pipe 12 is a flexible pipe; a negative - pressure connector 13 is arranged at the top of the long tube 5, a negative - pressure device 14 is installed on the fixed plate 2, and the negative - pressure device 14 communicates with the negative - pressure connector 13 through a second hose 15; during stretching, the servo cylinder 3 drives the first connecting plate 4, the second connecting plate 8 and the adsorption blocks 10 thereon to approach the front and rear sides of the honeycomb panel before stretching. Slide the adsorption blocks 10 on the first guide rail 9, align the suction ports 11 of the front and rear adsorption blocks 10 with the edges between adjacent rubber strips. The suction pipe 12 is set to have a sufficient length so as not to affect the sliding of the adsorption blocks 10. The width of the suction port 11 is designed to be less than the side length of the honeycomb hole. Then start the negative - pressure devices 14 on both sides to generate negative - pressure suction force. Then, through the second hose 15 and the negative - pressure connector 13, negative - pressure suction force is generated in the long tube 5, and further through the suction nozzle 6 and the suction pipe 12, negative - pressure suction force is generated at the suction ports 11 of the adsorption blocks 10, thereby adsorbing the edges between adjacent rubber strips. Then start the two servo cylinders 3 to drive the first connecting plate 4, the second connecting plate 8 and the adsorption blocks 10 thereon to separate, completing the stretching and forming of the honeycomb; during the stretching and forming process, during the separation process of the adsorption blocks 10 on the front and rear sides, the suction ports 11 of the adsorption blocks 10 always adsorb on the edges between adjacent rubber strips that will not dent, so it will not interfere with the dent of other sides. At the same time, when the honeycomb is stretched, when it undergoes a displacement towards the center in the direction perpendicular to the stretching direction, the adsorption blocks 10 can slide on the first guide rail 9 without interfering with its displacement towards the center, realizing the precise stretching and forming of the honeycomb.

[0022] Specifically, two left - right guide frames 16 are fixed between the front and rear fixed plates 2. A second guide rail 17 is arranged at the lower part of the guide frame 16, and the upper parts of the first connecting plate 4 and the second connecting plate 8 are slidably matched with the second guide rail 17; in this embodiment, the second guide rail 17 provides precise displacement for the first connecting plate 4 and the second connecting plate 8.

[0023] Specifically, mounting plates 18 are provided on the fixed plates 2. The mounting plates 18 are provided with screw holes and are fixedly connected to the base 1 through bolts 19. In this embodiment, the convenient installation and disassembly of the fixed plate 2 and the components thereon can be realized through the detachable bolts 19.

[0024] Specifically, a filter net 20 is provided on the suction port 11. In this embodiment, when not in use, it can prevent external dust from entering the cavity of the adsorption block 10. At the same time, by setting the filter net 20, the generated suction force is more dispersed and uniform, which is beneficial to adsorbing the edges of the honeycomb.

[0025] Specifically, the adsorption block 10 is in smooth contact with the first guide rail 9. In this embodiment, the friction between the adsorption block 10 and the first guide rail 9 is reduced. When a displacement towards the center occurs in the direction perpendicular to the stretching direction, it is beneficial for the adsorption block 10 to slide on the first guide rail 9.

[0026] Specifically, there is a gap between the bottom end of the adsorption block 10 and the base 1. In this embodiment, it can prevent the top surface of the base 1 from interfering with the displacements of the adsorption block 10.

[0027] For the convenience of understanding the above technical solutions of the present invention, the working principle or operation method of the present invention in the actual process will be described in detail below.

[0028] Working principle: During stretching, the servo cylinder 3 drives the first connecting plate 4, the second connecting plate 8 and the adsorption block 10 thereon to approach the front and rear sides of the honeycomb panel before stretching. Slide the adsorption block 10 on the first guide rail 9, align the suction ports 11 of the front and rear adsorption blocks 10 with the edges between adjacent rubber strips. The length of the suction pipe 12 is set long enough so that it does not affect the sliding of the adsorption block 10. The width of the suction port 11 is designed to be less than the side length of the honeycomb hole. Then start the negative pressure devices 14 on both sides to generate negative pressure suction force. Then, through the second hose 15 and the negative pressure connector 13, a negative pressure suction force is generated in the long pipe 5. Further, through the suction nozzle 6 and the suction pipe 12, a negative pressure suction force is generated at the suction port 11 of the adsorption block 10, thereby adsorbing the edges between adjacent rubber strips. Then start the two servo cylinders 3 to drive the first connecting plate 4, the second connecting plate 8 and the adsorption block 10 thereon to separate, completing the stretching and forming of the honeycomb. During the stretching and forming process, during the separation process of the adsorption blocks 10 on the front and rear sides, the suction ports 11 of the adsorption blocks 10 always adsorb on the edges between adjacent rubber strips that will not be sunken, so that it will not interfere with the sinking of other edges. At the same time, during the stretching of the honeycomb, when a displacement towards the center occurs in the direction perpendicular to the stretching direction, the adsorption block 10 can slide on the first guide rail 9 without interfering with its displacement towards the center, realizing the precise stretching and forming of the honeycomb.

[0029] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A resin prepreg honeycomb precise stretching and forming device, comprising a base (1), characterized in that, Two sets of stretching mechanisms are installed on the base (1) before and after, namely the first stretching mechanism and the second stretching mechanism, and the first stretching mechanism and the second stretching mechanism are arranged mirror-symmetrically before and after; the stretching mechanism includes a fixing plate (2), a servo cylinder (3) facing the opposite side is installed on the fixing plate (2), the piston rod of the servo cylinder (3) penetrates through the fixing plate (2) and then is fixed with a first connecting plate (4), a long tube (5) is arranged on the first connecting plate (4), a row of suction nozzles (6) is arranged on the long tube (5), the first connecting plate (4) is connected with a second connecting plate (8) through a connecting piece (7), a first guide rail (9) is arranged at the lower part of the second connecting plate (8), and a plurality of adsorption blocks (10) with the same number as the suction nozzles (6) are slidably connected to the first guide rail (9), each adsorption block (10) is provided with a suction port (11), the other side of the adsorption block (10) is connected with a suction pipe (12), the suction pipe (12) is hermetically connected with the suction nozzle (6), and the suction pipe (12) is a flexible pipe; a negative pressure connector (13) is arranged at the top of the long tube (5), a negative pressure device (14) is installed on the fixing plate (2), and the negative pressure device (14) is communicated with the negative pressure connector (13) through a second flexible pipe (15).

2. The honeycomb precision stretching and forming device for resin prepreg according to claim 1, characterized in that, Two left and right guide frames (16) are fixed between the front and rear fixing plates (2), a second guide rail (17) is arranged at the lower part of the guide frame (16), and the upper parts of the first connecting plate (4) and the second connecting plate (8) are slidably matched with the second guide rail (17).

3. A honeycomb precise stretching and forming device for resin prepreg according to claim 1, characterized in that, Mounting plates (18) are arranged on the fixing plates (2), screw holes are arranged on the mounting plates (18), and the mounting plates (18) are fixedly connected with the base (1) through bolts (19).

4. A resin prepreg honeycomb precise stretching and forming device according to claim 1, characterized in that, A filter screen (20) is arranged on the suction port (11).

5. The honeycomb precise stretching and forming device for resin prepreg according to claim 1, characterized in that, The adsorption block (10) is in smooth contact with the first guide rail (9).

6. The honeycomb precision stretching and forming device for resin prepreg according to claim 1, wherein, There is a gap between the bottom end of the adsorption block (10) and the base (1).

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