Pultrusion profile forming device

Abstract

The utility model provides a pultrusion profile forming device which comprises a penetrating plate, a layering module and a core rod, at least two through holes are formed in the pultrusion profile forming device, and one through hole is used for penetrating a strand of materials; the layering module is arranged on the side, where the materials are output, of the penetrating plate, a layering channel extending in the first direction is arranged in the layering module, and the first direction is the moving direction of the materials in the pultrusion process; comprising at least two layering plates, and the multiple layering plates jointly define a mounting cavity; the mounting cavity extends in the first direction and penetrates through the layering module; and the core rod is arranged in the mounting cavity in a penetrating mode, the number of the core rod is at least one, and the core rod is connected with the at least one layering plate, so that the relative position between the core rod and the mounting cavity is not changed, the pultrusion process of materials is smoother, the production efficiency is improved, and the production quality is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of pultrusion profile forming equipment, and in particular to a pultrusion profile forming equipment. Background Technology

[0002] Pultrusion molding of composite materials is a process that produces composite profiles by impregnating continuous fibers or fabrics with resin under the traction of a traction device and curing the resin by heating a molding die.

[0003] In existing technologies, pultrusion profile forming apparatuses typically include a forming part for receiving material, with at least one profile channel and a mandrel for limiting the profile. Since the mandrel's position moves with the profile, the shape of the profile channel can easily change, reducing the forming quality and production efficiency of the pultrusion profile forming apparatus. The mandrel can only be gradually introduced into the cavity of the forming part from the outside after most of the components of the pultrusion profile forming apparatus have been assembled. During this process, the mandrel may apply stress in different directions to the material, causing wear or even breakage, affecting the quality of the pultruded product. If the material breaks, workers must rewire, further reducing production efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a pultrusion profile forming device to solve the technical problems of mandrel feeding of easily worn materials and inaccurate mandrel positioning in the prior art.

[0005] This utility model provides a pultrusion profile forming device, comprising: a through plate having at least two through holes, one through hole for inserting a strand of material; a layering module disposed on one side of the through plate for outputting the material, the layering module having a layering channel extending along a first direction, the first direction being the direction of material movement during the pultrusion forming process; and a layering plate having at least two layers, the multiple layering plates collectively defining an installation cavity; the installation cavity extending along the first direction and penetrating the layering module; and a mandrel inserted into the installation cavity, the mandrel having at least one, the mandrel being connected to at least one layering plate so that the relative position between the mandrel and the installation cavity remains unchanged.

[0006] In some embodiments of this application, the number of core rods is one, and one core rod is inserted into the mounting cavity.

[0007] In some embodiments of this application, the layered plate includes at least one first limiting plate, the top surface of the first limiting plate is provided with a first recess, the first recess is recessed toward the bottom of the first limiting plate, and the mandrel is connected to the first recess.

[0008] In some embodiments of this application, the mandrel has a central axis extending in a vertical direction, the bottom surface of the first recess extends in a first direction, and the central axis of the mandrel is perpendicular to the plane containing the bottom surface of the first recess, so that the mandrel is connected in the first recess.

[0009] In some embodiments of this application, there is a certain distance between the mandrel and the sidewall of the mounting cavity, so that a gap for material to pass through is formed between the mandrel and the mounting cavity.

[0010] In some embodiments of this application, the mandrel and the first recess are connected by bolts so that the relative positions between the mandrel and the first recess remain fixed.

[0011] In some embodiments of this application, the mandrel has at least one bolt hole extending in a vertical direction.

[0012] In some embodiments of this application, an impregnation box is also included, which is disposed on the material output side of the through plate, and the extension length of the impregnation box along the first direction is positively correlated with the number of mandrels.

[0013] In some embodiments of this application, the bottom surface of the mandrel is a plane, the bottom surface of the first recess is a plane, and the bottom surface of the mandrel and the bottom surface of the first recess are connected in a mating manner.

[0014] In some embodiments of this application, the mandrel is an axisymmetric component having an axis of symmetry extending along the vertical direction; the layered module is an axisymmetric component having an axis of symmetry extending along the vertical direction, and the vertical axis of symmetry of the layered module coincides with the vertical axis of symmetry of the mandrel.

[0015] The pultrusion profile forming apparatus provided by this utility model has at least the following positive effects:

[0016] This utility model provides a pultrusion profile forming apparatus, including a through plate, a layering module, and a mandrel. The mandrel has at least two through holes, one of which is used to pass through a strand of material. The layering module is located on the side of the through plate where the material is output. The layering module has a layered channel extending along a first direction, which is the direction of material movement during the pultrusion forming process. The apparatus includes: at least two layering plates, which together define an installation cavity; the installation cavity extends along the first direction and passes through the layering module; and a mandrel, which is inserted into the installation cavity. The mandrel has at least one layering plate and is connected to at least one layering plate to maintain a constant relative position between the mandrel and the installation cavity, thereby facilitating a smoother pultrusion forming process, improving production efficiency, and enhancing production quality. Attached Figure Description

[0017] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is an external view of the pultrusion profile forming apparatus of this application;

[0019] Figure 2 This is another view of the pultrusion profile forming apparatus of this application.

[0020] Figure 3 This is an exploded view of the pultrusion profile forming apparatus of this application;

[0021] Figure 4 This is a side view of the layered module and partial mandrel connection of the pultrusion profile forming apparatus of this application;

[0022] Figure 5 This is a schematic diagram showing the connection between the layered modules and part of the mandrel in the pultrusion profile forming apparatus of this application;

[0023] Figure 6 This is a split view of the layered modules and mandrel of the pultrusion profile forming apparatus of this application;

[0024] Figure 7 This is a schematic diagram of the preforming module of the pultrusion profile forming apparatus of this application;

[0025] Figure 8 for Figure 7 The main view in the middle;

[0026] Figure 9 This is a schematic diagram of the forming module of the pultrusion profile forming apparatus of this application;

[0027] Figure 10 for Figure 9 The main view in the middle;

[0028] Figure 11 This is a schematic diagram of the through plate of the pultrusion profile forming apparatus of this application;

[0029] Figure 12 This is a schematic diagram of the cross-section of the layered module and mandrel of the pultrusion profile forming apparatus of this application, cut by a vertical plane;

[0030] Figure 13 This is a schematic diagram of the pultrusion profile forming apparatus of this application from another angle;

[0031] Figure 14This is a schematic diagram of the pultrusion profile forming apparatus of this application from another angle;

[0032] Figure 15 This is an exploded view of the pultrusion profile forming apparatus of this application, showing the through-plate, impregnation box, and other components.

[0033] Figure 16 This is an exploded view of the forming module of the pultrusion profile forming apparatus of this application;

[0034] Figure 17 This is a schematic diagram of the forming module of the pultrusion profile forming apparatus of this application;

[0035] Figure 18 for Figure 14 Right view of the pultrusion profile forming apparatus in the middle;

[0036] Icons: 100, Pultrusion profile forming device; 1, Through plate; 2, Impregnation box; 3, Layering module; 31, Layering plate; 32, Layering channel; 33, First bottom plate; 34, First top plate; 351, First limiting plate; 3511, First recess; 352, Second limiting plate; 353, Third limiting plate; 36, Gasket; 4, Mandrel; 5, Preforming module; 51, Preforming channel; 52, Second recess; 53, Third top plate; 54, Third bottom plate; 6, Forming module; 61, Forming channel; 62, Third recess; 63, Second top plate; 64, Second bottom plate; 7, Fixing plate. Detailed Implementation

[0037] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0038] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely represents selected embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0039] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances. Furthermore, the terms "first," "second," and "third," etc., are used only for distinguishing descriptions and should not be construed as indicating or implying relative importance.

[0040] In this invention, unless otherwise expressly specified and limited, "above or below" the first feature may include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on" the first feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the first feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0041] refer to Figure 1-18 The pultrusion profile forming device 100 includes a through plate 1, a layered module 3, and a mandrel 4.

[0042] The through plate 1 is provided with at least two through holes, one of which is used to pass through a strand of material;

[0043] The layering module 3 is located on one side of the output material of the through plate 1. The layering module 3 has a layering channel 32 extending along a first direction, which is the direction of material movement during the pultrusion process. It includes: at least two layering plates 31, and multiple layering plates 31 together define an installation cavity; the installation cavity extends along the first direction and penetrates the layering module 3.

[0044] The mandrel 4 and at least one layered plate 31 are detachably connected to each other, so that the mandrel 4 and the mounting cavity are detachably connected, thereby fixing the mandrel 4 inside the mounting cavity so that the relative position between the mandrel 4 and the mounting cavity remains unchanged.

[0045] In some embodiments of this application, the layered plate 31 includes at least one first limiting plate 351. The first limiting plate 351 is provided with a first recess 3511. The first recess 3511 is provided on the top surface of the first limiting plate 351 and is recessed towards the bottom of the first limiting plate 351. The core rod 4 and the first recess 3511 are detachably connected so that the relative position between the core rod 4 and the first recess 3511 is kept fixed, thereby fixing the core rod 4 inside the first recess 3511.

[0046] The number of core rods 4 is at least one. When there is only one core rod 4, the bottom surface of the core rod 4 and the bottom surface of the first recess 3511 are detachably connected so that the core rod 4 is fixed inside the first recess 3511.

[0047] In some embodiments of this application, there is one mandrel 4. The bottom surface of the mandrel 4 is connected to the bottom surface of the first recess 3511, and there is a certain gap between the mandrel 4 and the left and right side walls of the mounting cavity, so that two left and right gaps are formed between the mandrel 4 and the mounting cavity for inserting materials, so that the mandrel 4 can squeeze the materials on the left and right sides.

[0048] In some embodiments, the mandrel 4 and the first recess 3511 are detachably connected. The mandrel 4 and the first recess 3511 are separately formed and then connected by a connector. When cleaning and disassembly are required, the mandrel 4 and the first recess 3511 are disassembled for easy cleaning and recycling.

[0049] In some embodiments of this application, the mandrel 4 has a central axis extending in a vertical direction, the bottom surface of the first recess 3511 extends in a first direction, and the central axis of the mandrel 4 is perpendicular to the plane containing the bottom surface of the first recess 3511, so that the mandrel 4 is vertically installed in the first recess 3511.

[0050] In some embodiments of this application, the core rod 4 and the bottom surface of the first recess 3511 are connected in any way. The connection method between the core rod 4 and the first recess 3511 is not fixed. As long as the connection method can satisfy the requirement of fixing the bottom surface of the core rod 4 to the bottom surface of the first recess 3511, it is within the protection scope of this application.

[0051] In some embodiments of this application, the mandrel 4 and the first recess 3511 are connected by bolts so that the relative position between the mandrel 4 and the first recess 3511 remains unchanged, so that the position of the mandrel 4 cannot be changed when the material passes through both sides of the mandrel 4 during the pultrusion process.

[0052] In some embodiments of this application, the core rod 4 is provided with bolt holes extending in a vertical direction, and the bottom surface of the first recess 3511 is provided with bolt holes opposite to the bolt holes of the core rod 4, so that a bolt passes through the bottom surfaces of the core rod 4 and the first recess 3511 to facilitate the fixed connection between the core rod 4 and the first recess 3511.

[0053] In some embodiments of this application, the mandrel 4 has at least a first bolt hole extending in a vertical direction. The number of bolt holes can be set according to the shape of the mandrel 4 and the shape of the first recess 3511 to meet different fixing requirements of the mandrel 4.

[0054] In some embodiments of this application, the mandrel 4 is provided with at least two bolt holes extending in the vertical direction. The two bolt holes are independent of each other and are spaced apart, so as to make the connection between the mandrel 4 and the first recess 3511 more stable.

[0055] In some embodiments of this application, the mandrel 4 is provided with three bolt holes extending in the vertical direction, and the three bolt holes are spaced apart to make the connection between the mandrel 4 and the first recess 3511 more stable and reduce the probability of the mandrel 4 shifting position during long-term use.

[0056] In some embodiments of this application, the centers of the top openings of the three bolt holes are on the same straight line to make the arrangement of the three bolt holes more balanced, so that the core rod 4 is subjected to more balanced force during use, and further reduce the probability of the core rod 4 shifting position during long-term use.

[0057] In some embodiments of this application, the core rod 4 is a rectangular strip structure similar to a cuboid. The bottom surface of the core rod 4 is a plane, and the bottom surface of the first recess 3511 is a plane. The contact area between the bottom surface of the core rod 4 and the bottom surface of the first recess 3511 is relatively large. The bottom surface of the first recess 3511 provides the core rod 4 with an upward supporting force, so that the stress on the core rod 4 during long-term use is more dispersed and will not be concentrated in a certain area, thereby enhancing the stability of the connection between the core rod 4 and the first recess 3511.

[0058] In other embodiments of this application, the core rod 4 is a column or other long strip-shaped rod. Any core rod 4 of any shape that can be fixedly connected to one of the layered plates 31 is within the protection scope of this application.

[0059] In some embodiments of this application, the mandrel 4 has an axisymmetric structure with an axis of symmetry extending along the vertical direction. The layered module 3 is an axisymmetric component with an axis of symmetry extending along the vertical direction. The vertical axis of symmetry of the layered module 3 coincides with the vertical axis of symmetry of the mandrel 4, so that the mandrel 4 is installed in the middle position of the layered module 3. Materials are provided on both sides of the mandrel 4 so that the mandrel 4 is subjected to more balanced forces during the material pultrusion process, reducing the probability of the mandrel 4 changing position during long-term use.

[0060] In some embodiments of this application, the extension length of the impregnation box 2 along the first direction is L1, and L1 can be set according to actual needs.

[0061] When the material needs to be impregnated in the impregnation box 2 for a long time, the length L1 of the impregnation box 2 can be set to be longer, that is, the impregnation box 2 is a longer box body, so as to achieve a better impregnation effect. When the material can be impregnated in the impregnation box 2 for a short time to achieve the desired impregnation effect, the length L2 of the impregnation box 2 can be set to be shorter, that is, the impregnation box 2 is a shorter box body, which can appropriately reduce the amount of material used in the impregnation box 2 and reduce material costs.

[0062] In some embodiments, the extension length L1 of the impregnation box 2 along the first direction is directly proportional to the number of mandrels 4. The more mandrels 4 there are, the longer the extension length L1 of the impregnation box 2, to meet the impregnation requirements of materials with different numbers of mandrels 4. When the material needs to be impregnated for a longer time, the extension length L1 of the impregnation box 2 is set to be longer, so that the material takes a longer time to pass through the impregnation box 2 when moving along the first direction. When the material needs to be impregnated for a shorter time, the extension length L1 of the impregnation box 2 is set to be shorter, so as to reduce the material used in the impregnation box 2, reduce the overall length of the pultrusion profile forming apparatus 100, and reduce the space occupied.

[0063] When there are at least two mandrels 4, the extension length of the impregnation box 2 along the first direction is L20; compared with the extension length of the impregnation box 2 along the first direction when there is only one mandrel 4, L10, L20 is not less than L10, so as to meet the impregnation requirements of different materials.

[0064] In some embodiments, the number of mandrels 4 is two, and the extension length of the impregnation box 2 along the first direction is L20. Compared with the technical solution where the number of mandrels 4 is one and the extension length of the impregnation box 2 along the first direction is L10, L20 > L10. That is, when the number of mandrels 4 is two, the impregnation box 2 is a longer box, and when the number of mandrels 4 is one, the impregnation box 2 is a shorter box, so as to meet the impregnation requirements of materials under different conditions.

[0065] The pultrusion profile forming apparatus of this application is described in detail below.

[0066] The pultrusion profile forming apparatus 100 includes a through plate 1, which has at least two through holes, one of which is used to pass through at least one strand of material.

[0067] In some embodiments, the through-plate 1 is provided with a plurality of first openings, which extend along a first direction and penetrate the through-plate 1. The plurality of first openings are arranged in an array, and the material is passed through the first openings so that the material is layered into multiple strands. On the one hand, dividing the material can enhance the contact area between the material and the impregnation box, so that the material can be more evenly wetted by the flowable glue, which is beneficial to improving the quality of material molding. On the other hand, dividing the material into multiple strands is beneficial to passing it through multiple layered channels, so as to facilitate the pultrusion molding of the material. It is convenient for the operator to pass the material through different holes, and to pass it through the first openings at different positions and with different cross sections according to the specific specifications of the profile. This improves the versatility of the pultrusion profile molding apparatus 100 and also improves the efficiency of material passing.

[0068] The first direction is the direction of material movement during the pultrusion profile forming process. In other embodiments, the first direction can be adjusted according to the actual pultrusion profile operation and is not limited thereto.

[0069] The material may be glass fiber, polyester fiber, or other non-fiber materials that can withstand pultrusion molding. All of the above different types of materials are within the scope of protection of this application.

[0070] The pultrusion profile forming apparatus 100 includes an impregnation box 2, which is located on the side of the material output from the through plate 1. The impregnation box 2 is connected to the glue injection machine and is used to impregnate the material inside the impregnation box 2.

[0071] The impregnation box 2 is connected to the material output side of the through plate 1. The impregnation box 2 is filled with flowable glue. After the material passes through the through plate 1, it enters the impregnation box 2. The material is impregnated by the flowable glue in the impregnation box 2 to facilitate subsequent fastening and molding.

[0072] In some embodiments of this application, a liquid level sensor is disposed inside the impregnation tank 2, with its sensing end also located inside the tank. The liquid level sensor detects the height of the adhesive within the impregnation tank 2. The liquid level sensor uploads the detected adhesive height to the controller of the dispensing machine. The controller determines the threshold range of the liquid level height and outputs different signals based on different threshold ranges to adjust the dispensing volume of the dispensing machine.

[0073] The liquid level sensor of this application can be configured as a liquid level sensor with different structures. As long as the liquid level sensor can measure the height of the glue in the impregnation box 2 and can be electrically connected to the controller of the dispensing machine, it is within the protection scope of this application.

[0074] The dispensing machine used in this application is a conventional device in the field. Dispensing machines whose controllers can be electrically connected to liquid level sensors and which can automatically dispense adhesive are all within the protection scope of this application.

[0075] The extrusion profile forming apparatus 100 includes a layering module 3, which is located on one side of the output material of the impregnation box 2. The layering module 3 is provided with a layering channel 32 extending along a first direction, which is the direction of material movement during the pultrusion profile forming process. There are at least two layering channels 32, which are used to pass through the material impregnated by the impregnation box 2.

[0076] The layering module 3 includes at least two layered plates 31 arranged vertically, and at least two layering channels 32 are formed between the multiple layered plates 31. The multiple layering channels 32 are arranged vertically at intervals, and the layering channels 32 extend along a first direction and penetrate the layering module 3. At least one strand of material is inserted into each layering channel 32, and the material moves along the first direction within the layering channel to be pultruded.

[0077] A mounting cavity is formed at the center of the layered module 3, and a mandrel 4 is inserted into the mounting cavity. The mandrel 4 is a long strip-shaped rod that extends at least partially along a first direction. Material is also inserted into the mounting cavity. The mandrel 4 is used to pull the material to shape it.

[0078] The layered module has at least two layered plates arranged vertically, and multiple layered plates together define an installation cavity. The mandrel 4 is inserted into the installation cavity and is connected to at least one of the layered plates so that the mandrel is fixed in the installation cavity and does not change position with the movement of materials. This reduces the probability of the shape of the pultruded profile channel, i.e., the layered channel, changing and improves the quality of the produced profile.

[0079] The mandrel 4 is limited by at least one layered plate to limit the mandrel within the mounting cavity, where material is provided in the mounting cavity excluding the mandrel, and the material is pultruded along a first direction.

[0080] In some embodiments, there are two layered plates 31, which together form an installation cavity, and the mandrel 4 is inserted into the installation cavity of the layered module 3.

[0081] In some embodiments, there are three layered plates, which are arranged one above the other and together form an installation cavity, and the mandrel 4 is inserted into the installation cavity.

[0082] In some embodiments, there are four layered plates, which are arranged vertically and vertically to form an installation cavity, and the mandrel 4 is inserted into the installation cavity.

[0083] In some embodiments, there are five layered plates, which are arranged vertically and vertically to form an installation cavity, and the mandrel 4 is inserted into the installation cavity.

[0084] In some embodiments, there are six layered plates, which are arranged vertically and vertically to form an installation cavity, and the mandrel 4 is inserted into the installation cavity.

[0085] In some embodiments of this application, the layered plate 31 includes a first bottom plate 33 and a first top plate 34, which are disposed opposite to each other. The first top plate 34 is located above the first bottom plate 33, and an installation cavity is formed between the first top plate 34 and the first bottom plate 33 for installing a mandrel.

[0086] In some embodiments, the mounting cavity is provided with at least one limiting member for limiting the position of the mandrel. The mounting cavity is divided by the mandrel and the limiting member into a layered channel that runs through a first direction, and the material is inserted into the layered channel.

[0087] The layered channel 32 has at least two sections, and each layered channel 32 contains at least one strand of material to be pultruded, so that multiple strands of material can be passed through a single layered module 3 at the same time. The layered channels 32 are independent of each other, and the material is divided into multiple strands and placed in separate layered channels 32. During the movement, the material moves independently within the layered channels 32, and there is no cross-flow or entanglement of multiple strands of material within the layered channels 32, thereby resulting in better quality of the pultruded profile.

[0088] The layering module 3 is located on the side of the material output box 2. The material moves along the first direction, passing through the through plate 1 and the impregnation box 2 in sequence before entering the layering module 3.

[0089] The material is impregnated with flowable adhesive in the impregnation box 2. Because the material is first divided into at least two streams by the through-plate 1, each stream has a large contact area with the flowable adhesive, allowing it to be fully impregnated. After passing through the impregnation box 2, the material then passes through the layering channel 32 in the layering module 3.

[0090] In some embodiments, the inlet cross-sectional area of ​​the layering channel 32 is small. When material with a large amount of flowable adhesive enters the layering channel, some of the flowable adhesive will be squeezed out by the inlet of the layering channel 32. This results in the material entering the layering channel 32 carrying a small amount of flowable adhesive. Furthermore, the flowable adhesive flows with the moving material under the action of the inner sidewall of the layering channel 32, reducing the probability of a large amount of flowable adhesive solidifying inside the layering module 3.

[0091] In some embodiments, the layered channel 32 gradually contracts along a first direction, and the material carrying the flowable adhesive moves within the layered channel 32 along the first direction. As the space within the layered channel 32 continuously contracts, excess flowable adhesive is squeezed out to enhance the flowability of the flowable adhesive within the layered channel 32 and reduce the probability of the flowable adhesive solidifying.

[0092] Compared with the prior art, the impregnation box 2 of this application is set on the side where the material enters the layering module 3. The layering channel 32 gradually narrows along the first direction. The flowable glue can flow in the narrow layering channel 32 as the material moves. Excess flowable glue is squeezed out, so that the flowable glue is kept in a flowing state, reducing the probability of the flowable glue solidifying inside the layering module 3. This is a significant improvement compared with the prior art.

[0093] In addition, the gradual narrowing of the channel holes of the layered channel 32 along the first direction facilitates the entry of materials into the interior of the layered channel 32, so that the materials enter the interior of the layered channel 32 at an angle to the horizontal direction, thereby reducing the resistance and stress encountered by the materials during the movement process and reducing the probability of deformation of the materials during the movement process.

[0094] In some embodiments, the layered module 3 includes a first bottom plate 33 and a first top plate 34, which are disposed opposite to each other and are respectively located at the top and bottom of the layered module 3.

[0095] The limiting component includes a first limiting plate 351, a second limiting plate 352, and a third limiting plate 353 connected sequentially from bottom to top. The first limiting plate 351 is connected to the bottom of the mandrel 4, and the third limiting plate 353 is connected to the top of the mandrel 4. There are two second limiting plates 352, which are spaced apart. The mandrel 4 is at least partially located between the two second limiting plates 352.

[0096] The top of the first limiting plate 351 has a first recess 3511, which is recessed toward the direction of the first top plate 34, and the bottom of the core rod 4 is disposed in the first recess 3511.

[0097] The second limiting plate 352 is connected to the top of the first limiting plate 351. There are at least two second limiting plates 352, which are arranged opposite to each other. A first gap extending along the first direction is formed between the two second limiting holes. The first gap is located at the top of the first recess 3511. The first gap is used to accommodate the middle part of the core rod 4. At least part of the core rod 4 is limited in the first gap.

[0098] The third limiting plate 353 is connected to the top of the second limiting plate 352. Since there are two second limiting plates 352 and they are spaced apart, there is one third limiting plate 353 and it is located on the two second limiting plates 352. The third limiting plate 353 is located at the top of the first gap.

[0099] The third limiting plate 353, the second limiting plate 352, and the first limiting plate 351 together define the mounting cavity for mounting the mandrel 4.

[0100] In some embodiments, the top of the mandrel 4 is connected to a third limiting plate 353, and the bottom of the mandrel 4 is connected to a first limiting plate 351, so that the mandrel 4 is limited by the third limiting plate 353 and the first limiting plate 351 in the up and down directions, respectively.

[0101] In other embodiments, the bottom of the mandrel 4 is detachably connected to the first limiting plate 351 so that the mandrel 4 is fixed in the mounting cavity, thereby fixing the position of the mandrel 4 and reducing the probability of the mandrel 4 being dragged and moved by the material, so that the mandrel is fixed more firmly.

[0102] The bottom of the core rod 4 is connected to the first recess 3511, which has a left side wall and a right side wall. The core rod 4 is connected to the inside of the first recess 3511 so that the bottom of the core rod 4 is limited by the first recess 3511 in the left and right directions.

[0103] The upper middle part of the mandrel 4 is located within the first gap, so that the upper middle part of the mandrel 4 is limited in the left and right directions by the two second limiting plates 352.

[0104] By installing the mandrel 4 in the mounting cavity jointly defined by the third limiting plate 353, the second limiting plate 352 and the first limiting plate 351, the mandrel 4 is limited in both the left and right directions and the up and down directions, reducing the probability of the mandrel 4 changing position during the pultrusion process.

[0105] In some embodiments of this application, a single mandrel 4 is provided, which passes through the mounting cavity. The distance between the left side of the mandrel 4 and the left inner wall of the mounting cavity is greater than 0, that is, a layered channel 32 is defined between the left side of the mandrel 4 and the mounting cavity, and materials can pass through the layered channel 32.

[0106] The distance between the right side of the mandrel 4 and the right inner wall of the mounting cavity is greater than 0, that is, the right side of the mandrel 4 and the mounting cavity define another layered channel 32, in which the material can be inserted.

[0107] The mandrel 4 divides the installation cavity into two layered channels 32. A material is inserted into each of the two layered channels 32. During the movement of the two materials, they will not become entangled or move around due to the limitation of the mandrel 4.

[0108] In some embodiments of this application, the layered channel 32 includes a first layered channel 32, a second layered channel 32, and a third layered channel 32 arranged vertically. It should be noted that the layered channel 32 has at least two layers and is not limited to the three-layered channel 32 proposed in the embodiments of this application.

[0109] In some embodiments of this application, the bottom surface of the first limiting plate 351 is provided with at least one through hole extending along a first direction. When the first limiting plate 351 is connected above the first base plate 33, the inner wall of the through hole and the first limiting plate 351 together form a layered channel 32, so that the material can pass through the layered channel 32 formed between the first limiting plate 351 and the first base plate 33.

[0110] Optionally, the bottom surface of the first limiting plate 351 is provided with two spaced through holes, which together with the first limiting plate 351 form two layered channels 32, so that materials can pass through the two layered channels 32 between the first limiting plate 351 and the first bottom plate 33.

[0111] Optionally, the two through holes on the bottom surface of the first limiting plate 351 are symmetrically arranged so that the two layered channels 32 formed are symmetrically arranged, so that the force on the first limiting plate 351 is more balanced during the pultrusion process, thereby reducing the probability of damage to the first limiting plate 351.

[0112] In some embodiments of this application, the top surface of the first limiting plate 351 is provided with at least one through hole extending along a first direction. The through hole is located on one side of the first recess 3511 and does not coincide with the first recess 3511. The second limiting plate 352 is fitted to the top of the first limiting plate 351. The through hole on the bottom surface of the second limiting plate 352 and the top surface of the first limiting plate 351 together form a layered channel 32, so that materials can pass through the layered channel 32 between the first limiting plate 351 and the second limiting plate 352.

[0113] Optionally, a gasket 36 is connected to the top surface of the first limiting plate 351, and the gasket 36 is disposed in the through hole of the top surface of the first limiting plate 351. The gasket 36, the inner wall of the through hole of the top surface of the first limiting plate 351, and the bottom surface of the second limiting plate 352 together form a layered channel 32, so that materials can pass through the layered channel 32.

[0114] Each gasket 36 has at least two positioning angles, which are connected to the angle between the first connecting plate and the second connecting plate, so that the gasket 36 can be freely removed from the left and right sides of the layered module 3, facilitating disassembly and subsequent maintenance.

[0115] Optionally, the bottom surface of the second limiting plate 352 is provided with a protrusion that protrudes towards the first base plate 33. This protrusion abuts against the through hole on the top surface of the first limiting plate 351, enhancing the stability of the connection between the first limiting plate 351 and the second limiting plate 352. The bottom surface of the second limiting plate 352 does not have a protrusion at the position corresponding to the installation of the gasket 36, so as to facilitate the installation of the gasket 36 with a higher thickness.

[0116] In some embodiments of this application, the top surface of the third limiting plate 353 is provided with a through hole extending along the first direction. The through hole on the top surface of the third limiting plate 353 and the first top plate 34 together form a layered channel 32 so that the material can pass through the layered channel 32 between the third limiting plate 353 and the first top plate 34.

[0117] Optionally, the top surface of the third limiting plate 353 is provided with two spaced through holes, which together with the first limiting plate 351 form two layered channels 32, so that materials can pass through the layered channels 32 between the third limiting plate 353 and the first top plate 34.

[0118] Optionally, the two through holes on the top surface of the third limiting plate 353 are symmetrically arranged so that the two layered channels 32 formed are symmetrically arranged, so that the force on the third limiting plate 353 is more balanced during the pultrusion process, thereby reducing the probability of damage to the third limiting plate 353.

[0119] In some embodiments of this application, the top surface of the third limiting plate 353 is an inclined plane, that is, the top surface of the third limiting plate 353 forms a non-zero angle with the horizontal plane. The top surface of the third limiting plate 353 gradually slopes downward along the direction close to the preforming module 65, so that the outlet of the layered channel 32 on the third limiting plate 353 is close to the middle inlet of the preforming module 65, so as to facilitate the material to be conveyed into the preforming channel 51 in the middle of the preforming module 65.

[0120] In some embodiments of this application, the bottom surface of the first limiting plate 351 is an inclined bottom surface, and the bottom surface of the first limiting plate 351 gradually tilts upward along the direction close to the preforming module 65, so that the outlet of the layered channel 32 below the first limiting plate 351 is close to the middle inlet of the preforming module 65, so as to facilitate the material to be conveyed into the preforming channel 51 in the middle of the preforming module 65.

[0121] The pultrusion profile forming apparatus 100 includes a preforming module 65 and a forming module 6. The preforming module 65 is connected to the material output end of the layering module 3, and the forming module 6 is connected to the material output end of the preforming module 65, so that the material passes through the layering module 3, the preforming module 65 and the forming module 6 in sequence.

[0122] The preforming module 65 has at least one preforming channel 51 inside. The number of preforming channels 51 and the number of layered channels 32 are the same, and the preforming channels 51 and the layered channels 32 are arranged in a one-to-one correspondence. The preforming channel 51 extends along the first direction so that the material in the layered channel 32 enters the preforming channel 51.

[0123] The molding module 6 is located at the other end of the pre-forming module 65 along the first direction. The molding module 6 has at least one molding channel 61 inside, which is positioned opposite to the pre-forming channel 51. The inlet of the molding channel 61 corresponds one-to-one with the outlet of the pre-forming channel 51, so that the material enters the molding channel 61 after passing through the pre-forming channel 51. The material moves along the first direction, sequentially passing through the through-plate 1, the impregnation box 2, the layering module 3, the pre-forming module 65, and the molding module 6.

[0124] The mandrel 4 is simultaneously inserted into the cavities inside the layered module 3, the preforming module 65, and the forming module 6. One end of the mandrel 4 is connected to the insertion plate 1, and the other end of the mandrel 4 is connected to the forming module 6. The middle part of the mandrel 4 is inserted into the forming module 6, the preforming module 65, and the layered module 3 to improve the stability of the mandrel 4 and enhance its limiting effect in the pultrusion profile forming device 100, so that the material is pultruded and formed under the action of the mandrel 4.

[0125] In some embodiments, a cavity for inserting mandrels 4 is formed in the middle of the preforming module 5. The shape of the cavity is related to the number and size of the mandrels 4. When the number of mandrels 4 is greater, the width of the cavity is larger. When the width of the mandrels 4 is greater, the width of the cavity is larger. When the mandrels 4 are taller, the height of the cavity is higher, so that mandrels 4 of different numbers and shapes can be inserted into the cavity of the preforming module 5 to meet the different pultrusion requirements of the material.

[0126] In some embodiments, the middle portion of the forming module 6 forms a cavity for inserting the mandrel 4. The shape of the cavity is related to the number and size of the mandrel 4. The more mandrels 4 there are, the wider the cavity becomes; the wider the mandrel 4 is, the wider the cavity becomes; the taller the mandrel 4 is, the taller the cavity becomes, so that mandrels 4 of different numbers and shapes can be inserted into the cavity of the preforming module 5 to meet the different pultrusion requirements of the material.

[0127] In some embodiments, the cavity in the middle of the molding module 6 and the cavity in the middle of the preforming module 5 are arranged opposite to each other so that the mandrel 4 passes through the molding module 6 and the preforming module 5.

[0128] The molding module 6 includes a second base plate, two side plates, and a second top plate. The side plates are located between the second top plate and the second base plate, and the top end of the side plate is detachably connected to the second top plate, and the bottom end of the side plate is detachably connected to the second base plate, so as to facilitate the disassembly of the molding module 6 and the maintenance of the molding module 6.

[0129] Two side plates are symmetrically arranged with a certain gap between them, forming a cavity between the two side plates, the second bottom plate, and the second top plate. A mandrel 4 is inserted into the cavity, and the inner wall of the cavity and the outer wall of the mandrel 4 together form a molding channel 61. The molding channel 61 extends along a first direction. After passing through the pre-forming module 65, the material enters the molding module 6 and is further solidified and molded within the molding channel 61 to become the desired profile.

[0130] In some embodiments, the top surface of the second base plate 64 is provided with a third recess 62, and the bottom surface of the side plate is provided with a protrusion. The protrusion of the side plate is connected to the third recess 62 of the second base plate 64 to make the connection between the second base plate 64 and the side plate more stable.

[0131] In some embodiments, the second base plate 64 has an axisymmetric structure and is provided with two third recesses 62 that are symmetrical about the axis of symmetry, which are used to connect the protrusions on the two side plates respectively, so that the connection between the two is more stable and the stress is more balanced.

[0132] In some embodiments, the bottom surface of the second top plate 63 is provided with a protrusion, and the top surface of the side plate is provided with a third recess 62. The protrusion of the second top plate 63 is fitted into the third recess 62 of the side plate to make the connection between the second top plate 63 and the side plate more stable.

[0133] In some embodiments, the second top plate 63 has an axisymmetric structure and two protrusions that are symmetrical about the axis of symmetry, which are used to connect the third recesses 62 on the two side plates, so that the connection between the two is more stable and the stress is more balanced.

[0134] In some embodiments of this application, the preforming module 5 includes a third base plate 54, two side plates, and a third top plate 53. The side plates are located between the third top plate 53 and the third base plate 54, and the top end of the side plate is detachably connected to the third top plate 53, and the bottom end of the side plate is detachably connected to the third base plate 54, so as to facilitate the disassembly of the preforming module 5 and the maintenance of the preforming module 5.

[0135] Two side plates are symmetrically arranged with a certain gap between them, so that the two side plates, the third bottom plate 54, and the third top plate 53 form a cavity. A mandrel 4 is inserted into the cavity, and the inner wall of the cavity and the outer wall of the mandrel 4 together form a pre-forming channel 51. The pre-forming channel 51 extends along a first direction. After passing through the pre-forming module 5, the material enters the forming module 6, where it is further solidified and formed into the desired profile.

[0136] In some embodiments, the top surface of the third base plate 54 is provided with a second recess 52, and the bottom surface of the side plate is provided with a protrusion. The protrusion of the side plate is connected to the second recess 52 of the third base plate 54 to make the connection between the third base plate 54 and the side plate more stable.

[0137] In some embodiments, the third base plate 54 has an axisymmetric structure and is provided with two second recesses 52 that are symmetrical about the axis of symmetry, which are used to connect the protrusions on the two side plates respectively, so that the connection between the two is more stable and the stress is more balanced.

[0138] In some embodiments, the bottom surface of the third top plate 53 is provided with a protrusion, and the top surface of the side plate is provided with a second recess 52. The protrusion of the third top plate 53 is fitted into the second recess 52 of the side plate to make the connection between the third top plate 53 and the side plate more stable.

[0139] In some embodiments, the third top plate 53 has an axisymmetric structure and two protrusions that are symmetrical about the axis of symmetry, which are used to connect the second recesses 52 on the two side plates, so that the connection between the two is more stable and the stress is more balanced.

[0140] In some embodiments of this application, a plane perpendicular to the first direction is defined as the first plane. The geometric centers of the cross-sections of the layered module 3, pre-forming module 65, and forming module 6 obtained by the first plane are on the same straight line, and the straight line extends along the first direction. This is to facilitate the placement of the mandrel 4 at the center of the layered module 3, pre-forming module 65, and forming module 6, thereby facilitating the installation of the mandrel 4 and the positioning of the layered module 3, pre-forming module 65, and forming module 6.

[0141] In some embodiments of this application, the pultrusion profile forming apparatus 100 further includes a fixing plate 7, at least one fixing plate 7 being connected to the bottom or top of the layering module 3, the preforming module 65 and the forming module 6 to fix the three together.

[0142] It should be noted that the bottom surface of the layered module 3, the bottom surface and / or the top surface of the preformed module 65 and the forming module 6 are provided with mounting grooves, and a fixing plate 7 is connected in the mounting groove of the layered module 3, the mounting groove of the preformed module 65 and the mounting groove of the forming module 6, so that the layered module 3, the forming module 6 and the preformed module 65 are positioned, installed and fixedly connected by the fixing plate 7.

[0143] Optionally, there are two fixing plates 7, one of which is connected to the top of the layered module 3, the pre-forming module 65, and the forming module 6, and the other fixing plate 7 is connected to the top of the layered module 3, the pre-forming module 65, and the forming module 6, so that the fixing plates 7 are used as positioning components when the layered module 3, the pre-forming module 65, and the forming module 6 are installed, so that the installation positioning of the layered module 3, the pre-forming module 65, and the forming module 6 is more accurate, and the positioning of the mandrel 4 is less accurate when it is installed, thereby improving the profile quality of the pultruded profile.

[0144] Optionally, the top surface of the fixing plate 7 is parallel to the horizontal plane, and the bottom surfaces of the layered module 3, the molding module 6, and the pre-molding module 65 connected above the fixing plate 7 are also parallel to the horizontal plane, reducing the probability of misalignment during installation of the layered module 3, the molding module 6, and the pre-molding module 65.

[0145] In some embodiments of this application, the preforming module 65 is threadedly connected to the fixing plate 7 so that the preforming module 65 and the fixing plate 7 are detachably connected.

[0146] In some embodiments of this application, the first base plate 33 and the fixing plate 7 are threaded together to make the layered module 3 and the fixing plate 7 detachably connected. However, the connection method between the first base plate 33 and the fixing plate 7 is not limited to threaded connection. Other connection methods are within the protection scope of this application as long as they can satisfy the fixing between the first base plate 33 and the fixing plate 7.

[0147] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A pultrusion profile forming apparatus, characterized in that, include: A through-hole plate having at least two through holes, one of which is used to pass through a strand of material; A layering module, disposed on one side of the output material of the through-plate, wherein the layering module has a layering channel extending along a first direction, the first direction being the direction of material movement during the pultrusion process; comprising: A layered plate, having at least two, or a plurality of said layered plates, collectively defining a mounting cavity; said mounting cavity extending along a first direction and penetrating the layered module; A mandrel, which is inserted into the mounting cavity, having at least one mandrel, is connected to at least one layered plate to keep the relative position between the mandrel and the mounting cavity constant.

2. The pultrusion profile forming apparatus according to claim 1, characterized in that, The number of the mandrels is one, and the mandrel is inserted into the mounting cavity.

3. The pultrusion profile forming apparatus according to claim 1 or 2, characterized in that, The layered plate includes at least one first limiting plate, and a first recess is provided on the top surface of the first limiting plate. The first recess is recessed towards the bottom of the first limiting plate, and the mandrel is connected to the first recess.

4. The pultrusion profile forming apparatus according to claim 3, characterized in that, The mandrel has a central axis extending in a vertical direction, the bottom surface of the first recess extends in a first direction, and the central axis of the mandrel is perpendicular to the plane containing the bottom surface of the first recess, so that the mandrel is connected within the first recess.

5. The pultrusion profile forming apparatus according to claim 1 or 2, characterized in that, There is a certain distance between the mandrel and the side wall of the mounting cavity, so that a gap for material to pass through is formed between the mandrel and the mounting cavity.

6. The pultrusion profile forming apparatus according to claim 3, characterized in that, The mandrel and the first recess are connected by bolts to keep their relative positions fixed.

7. The pultrusion profile forming apparatus according to claim 6, characterized in that, The mandrel has at least one bolt hole extending in a vertical direction.

8. The pultrusion profile forming apparatus according to claim 1 or 2, characterized in that, It also includes a dip box, which is disposed on the material output side of the through plate, and the extension length of the dip box along the first direction is positively correlated with the number of mandrels.

9. The pultrusion profile forming apparatus according to claim 3, characterized in that, The bottom surface of the mandrel is a plane, and the bottom surface of the first recess is a plane. The bottom surface of the mandrel and the bottom surface of the first recess are connected in a mating manner.

10. The pultrusion profile forming apparatus according to claim 4, characterized in that, The core rod is an axisymmetric component, having an axis of symmetry extending vertically; the layered module is an axisymmetric component, having an axis of symmetry extending vertically, and the vertical axis of symmetry of the layered module coincides with the vertical axis of symmetry of the core rod.

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