Composite material processing device for continuous lamination, extrusion and bending

Abstract

The present invention discloses a composite material processing device for continuous lamination, extrusion and bending, which has at least three pairs of power extrusion rollers whose extrusion surfaces are not in the same plane; a continuously bent curved composite material extrusion molding channel is formed on the extrusion surface side of several of the power extrusion rollers; the composite material extrusion molding channel has a flexible extrusion conveyor belt arranged on at least one side to supply multiple layers of composite materials for continuous bending and continuous extrusion, which realizes not only extrusion during bending but also continuous extrusion during transmission. The lamination extrusion type composite material processing device of the present invention improves the overall thickness uniformity of the composite material, has better economy, good wear resistance and longer service life, and can continuously produce high-strength active belt composite materials with infinite length and thickness, has a reasonable overall layout, and can obtain finished composite materials regardless of which extrusion roller is entered, and can also perform simultaneous extrusion molding of multiple composite materials.

Description

Technical Field

[0001] The present invention relates to the technical fields of composite material processing equipment, devices, structures and the like, and in particular to a composite material processing device for continuous lamination, extrusion and bending. Background Art

[0002] There are two main processes in the existing composite material extrusion molding process: one of the processes is: the use of the infusion process can better control the material ratio, but it is difficult to control the uniform distribution of the material. The resin system mainly relies on the winding pressure of the fiber cloth and the capillary effect of the fiber cloth to penetrate into the fiber. This requires precise control of the winding speed, winding pressure, kinematic viscosity of the resin system, wetting ability and curing speed. Due to too much control data, the implementation of the process is very difficult.

[0003] The impregnation process can well control the uniformity of the two phases, but it is difficult to control the material ratio. The fiber cloth is first impregnated in the resin tank, and then multiple sets of rollers are pressed to squeeze out the excess resin liquid, and then it is evenly wound on the roller core. It is actually difficult to implement the process of controlling the resin content by roller pressure. Since such a process uses empirical data control, its deviation is often large. It is also difficult to achieve uniformity of the intermediate adhesive in the obtained composite material.

[0004] In particular, the existing multi-layer composite material bonding process, especially the raw materials for active buckle belts, which need to be made of multiple layers of materials filled with adhesive and then bonded together and extruded. The existing raw materials for active buckle belts are generally made by filling adhesive between multiple layers of industrial cloth and then extruding them during the production process, which can play a better reinforcement role, so that the produced composite materials can meet the various strength requirements of active buckle belts.

[0005] The existing flexible buckle belt has high requirements for the tensile and shear strength of the material itself. If the adhesive filler in the middle of the composite material is uneven or thin, it will directly lead to low tensile and shear strength of the composite material, thereby reducing the service life of the flexible belt, and the specific adaptability of the flexible belt will also be limited. In the prior art, Chinese patent application CN1709601A, named a patent application for a zigzag extrusion molding method, discloses that when passing through a zigzag channel, the material is subjected to several strong shear stresses, which has a good effect on the refinement and uniform distribution of the material structure. However, although the composite material obtained after the material passes through the folding channel has better uniformity in the length direction near the bend, its uniformity in the overall direction needs to be strengthened. If multiple shear bends are simply arranged, the overall equipment is relatively complex and bulky, and maintenance and operation are inconvenient.

[0006] The main problem in the prior art is that the composite material needs to be formed by adding injection materials between multiple layers of materials. During processing, due to the unevenness or thin thickness of the adhesive filler in the middle of the composite material, it will directly lead to low tensile and shear strength of the composite material, thereby reducing the service life of belt-type composite materials such as active belts, and the specific applicable equipment of the active belt will also be limited. Summary of the invention

[0007] In order to overcome the shortcomings of the above-mentioned prior art, the present invention provides a composite material processing device that uses at least three pairs of extrusion rollers arranged on non-on-the-same line extrusion surfaces, and the outer sides of the roller shafts on the same side of two adjacent pairs of extrusion rollers are connected to an extrusion conveyor belt for pressurization and forming, so as to quickly and efficiently obtain a composite material with uniform overall material thickness, strong tensile and compressive resistance after multi-layer material injection and bonding.

[0008] The technical solution adopted by the present invention is: a composite material processing device for continuous lamination, extrusion and bending,

[0009] There are at least three pairs of powered extrusion rollers whose extrusion surfaces are not in the same plane;

[0010] A continuously curved composite material extrusion molding channel is formed on the extrusion surface side of the plurality of power extrusion rollers;

[0011] The composite material extrusion molding channel has a flexible extrusion conveyor belt disposed on at least one side thereof, through which the multi-layer composite material is continuously bent and extruded.

[0012] Preferably, the flexible extrusion conveyor belt is connected to the same side of the extrusion single roller of the plurality of power extrusion roller pairs, the same left side, the same right side, the same upper side or the same lower side.

[0013] Preferably, the width of the flexible extrusion conveyor belt is not less than the width of the composite material extruded and transported by it.

[0014] Preferably, at least three pairs of powered extrusion rollers are arranged in a continuously curved composite material extrusion molding channel with similar curvature k.

[0015] Preferably, when the bending angle a at the bending point of the continuously bent curved composite material extrusion molding channel is less than degrees, an auxiliary support roller is arranged near the power extrusion roller pair at the bending point to increase the ability of the composite material passing through the bending point to be continuously and smoothly extruded and molded, and the auxiliary support roller is connected to the flexible extrusion conveyor belt on one side for use.

[0016] Preferably, at least one group of the several pairs of power extrusion rollers is provided with a heating device or is self-heating, or the entire curved composite material extrusion molding channel is provided with a device capable of increasing the temperature.

[0017] Preferably, the temperature of the heating portion of the curved composite material extrusion molding channel is maintained between 80°C and 120°C.

[0018] Preferably, the plurality of power extrusion rollers are integrally arranged into a pyramid structure;

[0019] At least one auxiliary support roller is respectively arranged near the leftmost end and the rightmost end of each layer of the pyramid-shaped structure;

[0020] The auxiliary support roller is connected to the flexible extrusion conveyor belt on one side and is arranged so as to ensure that the belt-type composite material passing there can continuously and smoothly pass through the curved composite material extrusion molding channel.

[0021] Preferably, the power extrusion rollers at the side and / or top position of the middle layer of the pyramid-shaped structure can be used as extrusion molding inlets for the belt-type composite material.

[0022] Preferably, a corresponding set of adhesive adding devices, composite material upper layer unwinding rollers and composite material lower layer unwinding rollers are provided at each of the extrusion molding inlets;

[0023] The composite material raw material upper unwinding roller and the composite material raw material lower unwinding roller provide continuous composite material raw material to the corresponding curved composite material extrusion molding channel;

[0024] The adhesive adding device adds adhesive between the composite material raw material 1 and the composite material raw material 2 through the die head; and is used to provide an adapted extrusion molding raw material layer and a suitable adhesive into the corresponding curved surface composite material extrusion molding channel.

[0025] Preferably, a splicing platform is also provided at each of the extrusion molding inlets to supply the extruded active belt composite material semi-finished product to be bonded to the next layer of raw material to be bonded.

[0026] Preferably, a tensioning roller and / or a circulating unwinding roller are arranged near the splicing platform.

[0027] Preferably, a receiving roller is further provided on one side of each layer of the power extrusion roller pair for winding up the fully formed finished product of the active belt composite material.

[0028] Preferably, the upper, lower, left and right positions of the auxiliary support roller are adjustable.

[0029] Preferably, the flexible extrusion conveyor belt is made of one or more of industrial cloth or flexible rubber or flexible plastic. It only needs to ensure that the upper flexible conveyor belt and the lower flexible conveyor belt can immediately fit and extrude the composite material therebetween, and ensure a certain fitting and extrusion force to enhance the extrusion time and extrusion area of ​​the entire composite material. These materials can also ensure that they have better properties. The industrial cloth is an integrated structure made of one or more of nylon cloth, canvas, Oxford cloth, and fiber cloth.

[0030] Preferably, the plurality of power extrusion roller pairs and adhesive adding devices are respectively connected to a control device for realizing automatic control of the entire composite material forming equipment.

[0031] Compared with the prior art, the present invention has the following beneficial effects:

[0032] The composite material processing device for continuous lamination, extrusion and bending of the present invention improves the overall thickness uniformity of the composite material, has good economy, good wear resistance and long service life, and can continuously produce high-strength active belt composite materials with infinite length and thickness. The overall layout is reasonable, and the finished composite material product can be obtained regardless of which extrusion roller is entered, and multiple composite materials can be extruded and formed at the same time (only the number of extrusion rollers needs to be increased). BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 A structural diagram of an embodiment of a composite material processing device for continuous lamination, extrusion and bending;

[0034] Figure 2 for Figure 1 A view of the embodiment of the present invention;

[0035] Figure 3 A structural diagram of an embodiment in which a plurality of the power extrusion rollers 10 are integrally arranged into a pyramid structure; Figure 4 A structural diagram of an embodiment of a composite material processing device having an adhesive adding device 70;

[0036] Figure 5 A structural diagram of an embodiment of a composite material processing device having a splicing platform;

[0037] Figure 6 It is a structural diagram of an embodiment with a splicing platform and four layers of power extrusion rollers;

[0038] Figure 7 for Figure 6 On the basis of the embodiment of the embodiment, a structural diagram of an embodiment of a receiving roller is added;

[0039] Figure 8The present invention is a structural diagram of an embodiment of a composite material processing device having two splicing platforms and capable of simultaneously processing two extruded composite materials, or capable of continuously performing double-layer bonding or triple-layer bonding;

[0040] in:

[0041] 10-powered extrusion roller pair, 11-extrusion single roller; 20-curved composite material extrusion molding channel, 30-flexible extrusion conveyor belt; 40-auxiliary support roller; 50-belt composite material, 51-upper composite material raw material, 52-lower composite material raw material, 53-; 60-extrusion molding inlet, 70-adhesive adding device, 71-die head, 72-adhesive; 80-upper unwinding roller of composite material raw material; 90-lower unwinding roller of composite material raw material; 100-splicing platform, 101-slider and locking device assembly; 110-active belt composite material semi-finished product; 120-composite material raw material one, 130-composite material raw material two, 140-tensioning roller, 150-circulating unwinding roller, 160-control device, 170-collecting roller. DETAILED DESCRIPTION

[0042] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0043] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the combination or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, in the description of the embodiments of the present invention, the device positional relationships such as "up", "down", "front", "back", "left", "right" and the like in all the drawings are based on the positions or positional relationships shown in the accompanying drawings. Figure 1 As standard.

[0044] like Figure 1 As shown, a composite material processing device for continuous lamination, extrusion and bending,

[0045] A pair of power extrusion rollers 10 having at least three pairs of extrusion surfaces that are not in the same plane;

[0046] A continuously curved composite material extrusion molding channel 20 is formed on the extrusion surface side of the plurality of power extrusion rollers 10;

[0047] The composite material extrusion molding channel 20 is provided with a flexible extrusion conveyor belt 30 on at least one side, through which the multi-layer composite material is continuously bent and extruded, so that the composite material is extruded not only during bending but also during the transmission process.

[0048] from Figure 1 , Figure 3 , Figure 5 and Figure 6 In the embodiment, it can be seen that the flexible extrusion conveyor belt 30 is connected to the same side of the extrusion single roller 11 of several power extrusion roller pairs 10, the same left side, the same right side, the same upper side or the same lower side, thereby saving the arrangement of the transmission rollers, saving the equipment and the space occupied by the equipment, being cost-effective and having a compact layout.

[0049] Combination Figure 1 and Figure 2 As shown, the width of the flexible extrusion conveyor belt 30 is not less than the width of the composite material it extrude and transport, so that all surfaces of the composite material can be extruded to improve the uniform performance of the obtained composite material.

[0050] like Figure 1 As shown in the embodiment, at least three pairs of powered extrusion rollers 10 are arranged in a continuously curved composite material extrusion molding channel 20 with similar curvature k to enhance the extrusion force, thereby improving the uniformity and tensile strength of the composite material.

[0051] from Figures 3 to 8 It can be seen that when the bending angle a of the continuously bent curved composite material extrusion molding channel 20 is less than 90 degrees, an auxiliary support roller 40 is arranged near the power extrusion roller pair 10 at the bending point to increase the ability of the composite material passing through the bending point to be continuously and smoothly extruded and molded, and the auxiliary support roller 40 is connected to the flexible extrusion conveyor belt 30 on one side for use, so that the extrusion force and extrusion effect can be more evenly matched. The specific position of the auxiliary support roller 40 ensures that the composite material can continuously and smoothly pass through the curved composite material extrusion molding channel 20 at the bending point to enter the next part for continued extrusion molding.

[0052] A better implementation may be that at least one group of the several pairs of powered extrusion rollers 10 is provided with a heating device or is self-heating, or the entire curved composite material extrusion molding channel 20 is provided with a device capable of increasing the temperature, so as to realize local heating of the composite material passing through the curved composite material extrusion molding channel 20, so as to improve the preparation efficiency of the entire composite material, and better ensure the uniform performance of the prepared composite material. In the specific implementation process, the temperature in the channel through which the composite material passes can be maintained at 80°C, 85°C, 90°C, 95°C, 100°C, 105°C, 110°C, 120°C, 130°C, 140°C, 150°C, 160°C, 180°C, 185°C, 190°C or in a range between these temperatures, such as between 85-95°C, or between 100-110°C, or 160-170°C.

[0053] Alternatively, the temperature of the heating part of the curved composite material extrusion molding channel 20 of the composite material processing device is maintained between 80°C and 120°C, the preparation efficiency of the entire composite material and the overall shear and tensile strength of the obtained active belt composite material are stronger and the service life is longer.

[0054] from Figures 3 to 8 As shown, the plurality of power extrusion rollers 10 are integrally arranged into a pyramid structure;

[0055] At least one auxiliary support roller 40 is disposed near the leftmost end and the rightmost end of each layer of the pyramid-shaped structure;

[0056] In addition, the auxiliary support roller 40 is connected to the flexible extrusion conveyor belt 30 on one side, and its position is arranged to ensure that the belt-type composite material 50 passing through the curved composite material extrusion molding channel 20 can continue to smoothly and fluently, so as to be able to more evenly fit the extrusion force and extrusion effect. The specific position of the auxiliary support roller 40 is to ensure that the composite material can continue to smoothly and fluently pass through the curved composite material extrusion molding channel 20 there to enter the next part to continue extrusion molding.

[0057] Figure 6 , Figure 7 and Figure 8It is shown that the power extrusion rollers 10 at the side and / or top position of the middle layer of the pyramid-shaped structure can be used as the extrusion molding entrance 60 of the belt composite material 50, so that the entry and exit positions of the belt composite material 50 can be flexibly arranged, and multiple composite materials can be processed simultaneously. For example, a specific implementation method is as follows: at the top and the first to third layers of power extrusion rollers 10 from top to bottom, a 20mm thick active belt composite material is extruded and molded, and at the same time, a 20mm, 30mm, 35mm or other thickness active belt composite material is extruded and molded in the curved composite material extrusion molding channel 20 between the fourth to sixth layers of power extrusion rollers 10, and this is repeated.

[0058] Figure 6 , Figure 7 and Figure 8 The embodiment in the figure also shows that a corresponding set of adhesive adding devices 70, composite material upper layer unwinding rollers 80 and composite material lower layer unwinding rollers 90 are provided at each of the extrusion molding inlets 60;

[0059] The composite material raw material upper unwinding roller 80 and the composite material raw material lower unwinding roller 90 provide continuous composite material raw material to the corresponding curved composite material extrusion molding channel 20;

[0060] The adhesive adding device 70 adds adhesive 72 between the composite material raw material 1 120 and the composite material raw material 2 130 through the die head 71; it is used to provide an adapted extrusion molding raw material layer and a suitable adhesive into the corresponding curved composite material extrusion molding channel 20, see Figure 6 , Figure 7 and Figure 8 shown.

[0061] like Figure 6 As shown, each of the extrusion molding entrances 60 is also provided with a splicing platform 100 to supply the extruded active belt composite material semi-finished product 110 to bond to the next layer of raw material layer to be bonded; that is, the spliced ​​new composite material semi-finished product 110 is spliced ​​with a new layer of composite material raw material layer on the splicing platform to manufacture a composite material finished product with a thicker thickness, and the spliced ​​new composite material semi-finished product 110 turns to the next layer of curved composite material extrusion molding channel 20, replacing its adjacent composite material layer to continue to enter the extrusion molding process, so that the active belt semi-finished product with the seam connected on the splicing platform is once again thickened and extruded, and active belt composite materials with unlimited length and thickness that can be infinitely thickened as needed can be manufactured continuously for multiple times, so that the multiple layers can be bonded manually or by gluing, pressing and heating devices.

[0062] A tensioning roller 140 and / or a circulating unwinding roller 150 are arranged near the splicing platform 100. Figure 5 and Figure 6 It can be seen that the recycled semi-finished composite material can be flattened and temporarily stored before processing.

[0063] A receiving roller 140 is also provided on one side of each layer of the power extrusion roller pair 10 for winding up the fully formed active belt composite material product. In the specific implementation process, if an extrusion molding inlet 60 is provided at the top, no receiving roller is provided there.

[0064] from Figure 6 , Figure 7 and Figure 8 It can be seen that the upper, lower, left and right positions of the auxiliary support roller 40 are adjustable, so as to adjust its own position to ensure that the composite material can continue to smoothly and fluently pass through the curved composite material extrusion molding channel 20 there. The specific adjustment method can be realized by configuring the auxiliary support roller's rising and lowering devices, as well as the left and right direction adjustment devices, which will not be repeated here.

[0065] A better implementation is that the flexible extrusion conveyor belt 30 is made of one or more of industrial cloth or flexible rubber or flexible plastic. It only needs to ensure that the upper flexible conveyor belt and the lower flexible conveyor belt can immediately fit and extrude the composite material between them, and ensure a certain fit and extrusion force to enhance the extrusion time and extrusion area of ​​the entire composite material. These materials can also ensure that they have good properties; and the industrial cloth is an integrated structure made of one or more of nylon cloth, canvas, Oxford cloth, and fiber cloth. Specifically, the fiber cloth can be glass fiber, carbon fiber cloth, etc., which have good use effects during use. The specific position of the receiving roller can be arranged as needed during implementation.

[0066] The plurality of power extrusion roller pairs 10 and the adhesive adding device 70 are respectively connected to the control device 160 for realizing automatic control of the entire composite material forming equipment to improve the extrusion forming efficiency of the composite material.

[0067] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A composite material processing device for continuous lamination, extrusion and bending, characterized in that: A pair of powered extrusion rollers (10) having at least three pairs of extrusion surfaces that are not in the same plane; A continuously curved composite material extrusion molding channel (20) is formed on the extrusion surface side of the plurality of power extrusion roller pairs (10); The composite material extrusion molding channel (20) is provided with a flexible extrusion conveyor belt (30) on at least one side thereof, through which the multi-layer composite material is continuously bent and extruded; The plurality of power extrusion roller pairs (10) are arranged as a whole to form a pyramid structure; at least one auxiliary support roller (40) is respectively arranged near the leftmost end and the rightmost end of each layer of the pyramid structure; and the auxiliary support roller (40) is connected to the flexible extrusion conveyor belt (30) on one side for use.

2. The composite material processing device for continuous lamination, extrusion and bending according to claim 1, characterized in that: The flexible extrusion conveyor belt (30) is connected to the same side of the extrusion single roller (11) of a plurality of power extrusion roller pairs (10).

3. The composite material processing device for continuous lamination, extrusion and bending according to claim 1, characterized in that: The width of the flexible extrusion conveyor belt (30) is not less than the width of the composite material extruded and transported by it.

4. The composite material processing device for continuous lamination, extrusion and bending according to claim 3, characterized in that: At least three pairs of powered extrusion rollers (10) are arranged in a continuously curved composite material extrusion molding channel (20) with similar curvature k.

5. The composite material processing device for continuous lamination, extrusion and bending according to claim 4, characterized in that: When the bending angle a at the bending point of the continuously bent curved composite material extrusion forming channel (20) is less than 90 degrees, an auxiliary support roller (40) is arranged near the power extrusion roller pair (10) at the bending point, and the auxiliary support roller (40) is connected to the flexible extrusion conveyor belt (30) on one side for use.

6. The composite material processing device for continuous lamination, extrusion and bending according to claim 5, characterized in that: At least one group of the plurality of power extrusion roller pairs (10) is provided with a heating device or is self-heating, or the entire curved surface composite material extrusion molding channel (20) is provided with a device capable of increasing the temperature.

7. The composite material processing device for continuous lamination, extrusion and bending according to claim 6, characterized in that: The temperature of the heating portion of the curved composite material extrusion molding channel (20) is maintained between 80°C and 190°C.

8. The composite material processing device for continuous lamination, extrusion and bending according to any one of claims 1 to 7, characterized in that: The auxiliary support roller (40) is arranged so as to ensure that the belt-type composite material (50) passing therethrough can continuously and smoothly pass through the curved composite material extrusion molding channel (20).

9. The composite material processing device for continuous lamination, extrusion and bending according to claim 8, characterized in that: The power extrusion rollers (10) at the side and / or top position of the middle layer of the pyramid-shaped structure can be used as extrusion molding inlets (60) for the belt-type composite material (50).

10. The composite material processing device for continuous lamination, extrusion and bending according to claim 9, characterized in that: A corresponding set of adhesive adding devices (70), a composite material raw material upper layer unwinding roller (80) and a composite material raw material lower layer unwinding roller (90) are provided at each of the extrusion molding inlets (60); The composite material raw material upper layer unwinding roller (80) and the composite material raw material lower layer unwinding roller (90) provide continuous composite material raw material to the corresponding curved surface composite material extrusion molding channel (20); The adhesive adding device (70) adds an adhesive (72) between the composite material raw material 1 (120) and the composite material raw material 2 (130) through a die head (71).

11. The composite material processing device for continuous lamination, extrusion and bending according to claim 10, characterized in that: Each of the extrusion molding inlets (60) is also provided with a splicing platform (100) for supplying the extruded flexible belt composite material semi-finished product (110) to be bonded to the next layer of raw material to be bonded.

12. The composite material processing device for continuous lamination, extrusion and bending according to claim 11, characterized in that: A tensioning roller (140) and / or a circulating unwinding roller (150) are arranged near the splicing platform (100).

13. The composite material processing device for continuous lamination, extrusion and bending according to claim 12, characterized in that: A receiving roller (170) is also provided on one side of each layer of the power extrusion roller pair (10).

14. The composite material processing device for continuous lamination, extrusion and bending according to claim 8, characterized in that: The upper, lower, left and right positions of the auxiliary support roller (40) are adjustable.

15. The composite material processing device for continuous lamination, extrusion and bending according to claim 8, characterized in that: The flexible extrusion conveyor belt (30) is made of industrial cloth or one or more of flexible rubber and flexible plastic; and the industrial cloth is an integrated structure made of one or more of nylon cloth, canvas, Oxford cloth, and fiber cloth.

16. The composite material processing device for continuous lamination, extrusion and bending according to claim 10, characterized in that: The plurality of power extrusion roller pairs (10) and adhesive adding devices (70) are respectively connected to a control device (160).

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