Side beam machining die and forming process
A technology for processing molds and side beams, which is applied in the field of aircraft side beam processing equipment, can solve the problems of difficult to improve product surface processing accuracy, difficult to ensure positioning accuracy, easy to damage product surface, etc., to achieve easy demoulding, high positioning accuracy, and mold The effect of easy assembly
Pending Publication Date: 2022-02-01
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AI-Extracted Technical Summary
Problems solved by technology
Although in the prior art, the mold is designed separately in the height direction or the width direction, it is difficult to guarantee the positioning accuracy when assembling such a processing mold, and it is difficult to improve the surface processing ac...
A kind of side beam processing mold, as shown in Figures 1 to 12, comprises basic structure, and described basic structure comprises base plate 1 and the top plate 3 that is installed on the base plate by guiding support unit 2, base plate and top plate are relatively arranged, A mold assembly 4 is installed between the two. Several lifting rings 5 are installed symmetrically on the top plate. Usually, the lifting rings are detachably installed on the top plate, and the mold can be easily lifted by means of the lifting rings, and the top plate can be easily lifted separately when the mold is disassembled. Of course, several lifting rings can also be installed symmetrically on the base plate to facilitate lifting.
Described mold assembly comprises integral mandrel 6, the left molding die 7 of split type, the right molding die 8 of split type, the lower molding die 9 of split type, and the upper molding die 10 of split type; Installed on the base plate through the clamping unit 11, the lower forming die is arranged between the core die and the base plate, and the upper forming die is arranged between the core die and the top plate; the left forming die and the right forming die are respectively arranged on the left and right sides of the core die side, and the splits of each forming die are respectively compressed by independent outer end die splits. Each template adopts a split structure, and each outer end mold split is used to squeeze the corresponding forming mold separately, which can ensure that the forming mold exerts uniform and stable force on the product surface to the greatest extent, and the template will not be deformed. The product quality is guaranteed, and at the same time, it also solves the problems of difficult processing and high processing cost of the long beam workpiece production mold.
It should be pointed out that, on the outer side walls of the left and right molding die splits, long grooves 65 are vertically arranged, and each compression regulator is against the groove bottom of the corresponding long grooves, so as to ensure the compression The tightening parts tighten the split parts of each forming die, and at the same time lay the structural foundation for pressing down the left and right forming dies when the top plate is installed and fixed. When the split parts of each forming die are pressed downward, they can move vertically and are Press into place, the assembly accuracy is reliably guaranteed. Usually, a number of fixing screws 66 are arranged on the top plate corresponding to the splits of the upper forming dies and the splits of each outer end die.
The inboard side of each split structure of left and right molding dies is inclined-plane 13 (also can be that each split structure of left and right molding dies all adopts wedge shape), when utilizing the compression regulator on the top plate to tighten When the upper forming mold is used, the upper forming mold simultaneously compresses the left and right forming molds, and then combines the clamping force exerted by the outer end mold on the left and right forming molds, so that after the prepreg on the outer side of the core mold is thermally cured, Obtain the product shape defined by the inner molding surfaces of the upper, lower, left, and right molding dies. The inner sides of the left and right forming molds are inclined (wedge-shaped), and the cross-sectional width of the side close to the top plate is larger than that of the side close to the base plate. When tightening the compression adjustment parts on the outer end molds on both sides, the screwing sequence of the compression adjustment parts does not need to be strictly required. The split parts of each part of the forming die will not be deformed due to their short size. At the same time, the adjacent two The butt ends of the split parts of the forming molds are all designed with a butt joint surface. When the split parts of ...
The invention provides a side beam machining mold which comprises a foundation structure, wherein the foundation structure comprises a base plate and a top plate installed on the base plate through a guide supporting unit, and a mold assembly is installed between the base plate and the top plate; the mold assembly comprises an integrated core mold, a split left forming mold, a split right forming mold, a split lower forming mold and a split upper forming mold; the top plate, the base plate and all the outer end molds are provided with a plurality of pressing adjusting pieces in allusion to the corresponding forming molds; and after the paved prepreg is thermally cured, a product shape limited by the inner side forming surfaces of the upper, lower, left and right forming molds is obtained. The side beam machining mold is reasonable in structural design, the forming molds and the outer end molds in the mold assembly are of a combined structural design, machining and manufacturing are more convenient, the mold assembly is high in positioning precision, and the workpiece forming quality is good.
Manufacturing engineeringForming processes +2
- Experimental program(1)
 It should be noted that the features of the present invention in the creation of the present invention can be combined with each other in the case of an unable conflict.
 In the description of the invention, it is to be understood that the terms "center", "longitudinal", "horizontal", "upper", "lower", "front", "post", "left", "right", The orientation relationship between "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, is only for convenience of describing the present invention. Create and simplify the description, rather than indicating or implying that the device or component must have a particular orientation, constructed and operated in a particular orientation, and thus is not to be construed as being limited to the present invention. Moreover, the terms "first", "second", etc. are only used to describe purposes, and cannot be understood as an indication or implies relative importance or implicitting the number of techniques indicated. Thus, features with "first", "second", and the like may be indicated or implicitly including one or more of this feature. In the description of the invention, the meaning of "multiple" is two or more unless otherwise stated.
 In the description of the present invention, it is to be described in that, unless otherwise expressly specified and defined, the term "mount", "connected", "connection" should be broadly understood, for example, may be a fixed connection, or may be Disassemble the connection, or integrate; it can be a mechanical connection or an electrical connection; it can be directly connected, or the intermediate medium can be interconnected, which may be in the interior of the two elements. For those skilled in the art, the above terms can be understood in the specific meanings of the above terms in the creation of the present invention.
 The invention will be described in detail below with reference to the accompanying drawings.
 A side beam processing mold, such as Figure 1 to 12As shown, including the infrastructure, the infrastructure includes a substrate 1, and a top plate 3 mounted on the substrate by a guide support unit 2, the substrate is opposed to the top plate, and the mold assembly 4 is mounted between the two. There are several hanging ring 5 on the top plate, usually, the hanging ring can be detachably mounted on the top plate, which is convenient to hang the mold by means of a hanging ring, or when the mold is removed, it is easy to lift the top plate. Of course, several hanging rings can also be mounted on the substrate to facilitate lifting.
 The mold assembly includes an integrated core mold 6, a split left molded mold 7, a splitted right molding die 8, a split type lower mold type 9, and a split-form-forming mold 10; core die passes the card The unit 11 is mounted on the substrate, and the core mold is arranged in the core mold, and the core mold is arranged on the core die and the top plate; the left molding die and the right molding die are arranged on both sides of the core mold, and The split of each molded mold is compressed by a separate outer end mode. Each of the templates uses a split structure, and the respective outer end diemers are extruded, respectively, the molded die body is separate, and each of them can be maximized to ensure uniform and stable application of the surface of the product, and the template does not deformed. The product quality is guaranteed, and it also solves the problem of not easy processing and processing cost of long-term processing and processing costs.
 The top plate, substrate, and the outer end molds are arranged for several composed modes 12 for each corresponding molding die. Typically, the compression adjustment is used as a bolt, and the number of compression adjustment regulators in the top plate, substrate or outer end mode corresponding to each molded die body is generally 8-16. The side beam processing mold in the creation of the present invention has solved the long-term moisture, and the mold is not easily assembled in the longitudinal direction, and there is also a defect that the product processing error is large, and the problem of difficulty in demolding of the large-long profiled workpiece.
 The inner side surface of each of the respective split structures of the right forming mold is both a slope 13 (may also be left, the split structure of the right forming die is wedge), and the mold is tightly molded when the compression adjustment member on the top plate is utilized. When the upper molding die is synchronized to press the left, the right forming mode, the reciprocating outer end mold is added to the left, and the right forming model, so that the prepreg of the outer paving of the core mode is thermally curing, and it is obtained. Next, the shape of the product defined by the left and right forming modes. Left, the right-molded mode side is designed, close to the top surface of the top panel, is greater than the cross-section width of the substrate side, not only beneficial to demolding, but also facilitates the molding die on both sides of the synchronization. When the compression adjustment of the outer end of the outer end of the two side is fastened, the compression adjusting member is rotating the order without strict requirements, and the molded mode body does not deform due to the short dimension, and the neighbor two The molded die body is designed with a pair of surface. When the molded die body is tight, the adjacent two-molded die body is fitted to ensure that the prepreg is squeezed into a plane at the opposing. , Reduce flaws such as burrs.
 The guide support unit includes a plurality of tie rod assemblies 14 and a plurality of support assemblies 15, each of which is symmetrically disposed between the top plate and the substrate, the support assembly including the support column 16 and the guide sleeve 17 of the top end of the support column, guide sleeve general set On the upper end of the support column, the main body structure 18 of the guide sleeve is provided with a guide portion 19, and a positioning stage 20 is formed between the guide portion and the main body structure, and the top plate is provided with the guide portion with the guide portion between the top plate and the substrate by fixing the rod assembly. The positioning hole, and the lower end surface of the top plate against the positioning station. Examples, the tie rod assembly includes a tie rod 21 and a locked mother 22 on the tie rod. Each trip assembly is symmetrically arranged between the top plate and the substrate. In order to improve the reliability of the structural connection, in an alternative embodiment, the main body structure of the guide sleeve is arranged in the axial direction, and each auxiliary connector is arranged centered on the support column axis, usually, The auxiliary connector uses a screw, and the screw is penetrated into the main body structure when the specific structure is arranged, and the upper end of the main body structure is screwed on the top bottom end, and the connection is fixed to the bottom plate.
 Typically, the above limit set is detachable to be mounted on the support column. The specific structure may be: a positioning shoulder structure 64 is provided on the upper end of the support column, and the limit sleeve is axially positioned by the positioning shoulder structure. In another alternative embodiment, the limit set is highly adjustable to the support column, which can be convenient to adapt to different mounting height requirements to match different product processing needs after different core modes, as examples, limited The bit set is mounted on the support column by thread, and the length adjustment limiting height is adjusted by the limit sleeve and the support column.
 The above left-forming mold includes a left molded die first body 23, a left molded die second body 24, and a left-forming die third splitter 25; the left outer end mold includes the first division of the left molding die. The corresponding left outer end mold first body 26, the left outer end mold 27 corresponding to the second split of the left molding mode, and the leftmost end mold corresponding to the left molded die third splitter Split 28.
 The right molding die includes a right forming die first separator 29 corresponding to the left molded die first split, the right forming die second body 30 corresponding to the left molding mode second split, and the left molding die Three-component body corresponding to the right-forming die third split 31; the right outer end mold includes a right outer die first body 32 corresponding to the right molded die first split, and the right forming die second separator The corresponding right outer die second substrate 33, and the right outer end die third split 34 corresponding to the third split of the right forming die.
 On the substrate, corresponding to the left molded die first separator, left molding die second separator, left molded die third split, the right forming die first body, the right forming die second separator, and the right forming die third The split is provided with a positioning block; the positioning block is mounted inside the positioning block hole of the substrate via the connector 35, and the positioning block seat is matched to the corresponding positioning block, and the lower ends of each positioning block are embedded in the seat hole, connected. A screw can be used.
 The above-mentioned left molded die second body is adjacent to one end of the left-forming die first split, and there is a left molded die first bending portion 36, close to one end of the third split of the left-forming die, and is provided with the second curve of the left molding die. Folding portion 37; the first portion of the right molding die is adjacent to one end of the right forming die second split, and the right forming die first bending portion 38, the right forming die third part is adjacent to the right molding mode second One end of the body, there is provided a right-molded die second bending portion 39, the left molded die first bending portion corresponds to the right forming die first bending portion, the second curved portion of the left molding mode and the right forming die second bend Forward should correspond. The outer end mold corresponding to each bending portion is provided with a bending structure that matches there, ensuring that the outer end die can be fully fitted with the corresponding molded external surface, ensuring uniform biasing.
 The positioning block of the first bending portion of the left molding mode and the core mode, the positioning block of the left molded model, the second bending portion and the core mode, the positioning block of the first bending portion of the right forming mode and the core mode, and the right The positioning block between the molding die and the positioning blocks between the positioning blocks, each with a diamond structure positioning block 40, and the diamond structural positioning block guide working surface 41 of each diamond structure positioning block is consistent with the moving direction of the corresponding molded mode. Further, the diamond structural positioning block of each diamond structure positioning block is positioned in parallel with the relative bending portion of the core mold, which is parallel to the relative bending portion. In addition to the positioning block, the substrate corresponds to the main structure portion of each molded mode body, and the rectangular positioning block 44 is designed, and the guide working surface 45 of the respective rectangular positioning blocks is consistent with the moving direction of the corresponding molded mode body, each rectangular positioning block. The inner working surface 46, the outer work surface 47 of the rectangular positioning block, is parallel to the pressing pressure surface 48 of the core mold of the body structure portion of each molded mode body, and the tightening die on the outer end is tightened. When the split is formally, the molded die body is uniformly stabilized to the prepreg of the core mold, even if the bent portion of the workpiece is the guide working surface of the rhombus structure positioning block, the good orientation of the molded die body can also be achieved. To ensure the balance of the body portion of the molded mode body and the bending portion. It should be noted that the rhombic structure positioning block (towards both side support holders) each has a rhombus structure positioning block guide surface, and the rectangular structure positioning block (toward the side support seat) has a rectangular structure positioning. The block is directed to the working surface, i.e., each of the blocks includes two guiding work surfaces and internal and outer positioning surfaces. The positioning surface can limit the maximum displacement of the molding mode.
 In an alternative embodiment, the substrate corresponds to the respective outer terminal die structures, respectively, respectively, respectively, and the lower outer end mode body is embedded in the respective fixed groove 57. Further, in the substrate, each of the lower forming die structures is provided with a mounting groove, and the lower end of each of the lower molded structures is embedded in the respective mounting groove 59.
 The upper molding mold includes a first-form molded mold first body 67, an upper molding die second body 68, and a top mold die third split body 69, wherein the upper molded mold first split and the left mold mold The first split corresponds to the second part of the upper molding model, and the third part of the upper molding model is corresponding to the third part of the left molded model. The lower forming mold includes a subsequent molding die first separator 70, a lower molding die second body 71, and a lower molding die third splitter 72, wherein the lower molding die first split and the left mold mold The first split corresponds to the second division of the lower forming model, and the lower molding die third split corresponds to the third part of the left molded model.
 In an alternative embodiment, a positioning post 60 is provided in the mounting groove in the substrate, and there are two positions in the positioning of the second part of the positioning module, and each of the second separation of the lower molding mode corresponds to each The positioning column has a fitting hole, the second split of the lower molding die is guaranteed, and the following molded die is a reference, and the molded mold first separation is mounted on both sides, the lower forming die third The split ensures that the installation accuracy of the lower mold is ensured, and the mounting accuracy of the lower molding is reliable, the installation of the subsequent left and right forming mode has laid the structural basis, and then reliably ensures the quality of the side beam. In a further improvement scheme, the positioning column can be inserted into the core mold, set the hole bits of the positioning column fit on the core mold, so that the positioning post simultaneously forms the lower molding die and the core mold, improve the assembly assembly accuracy of the mold assembly.
 The above-described load card unit includes opposing two-seat 49, and the top seat 50 is mounted on the support, the top seat includes an end shaft 52 on the top holding portion 52, including support for the substrate. Block 53 and block 54 mounted on the support block, the block and the support block are provided with an end shaft accommodating space, and the blocks are fixed to the support block by a connecting member such as a screw, and the top shaft can be pressed. Fixed, in turn, the clamping fixation of two top seat workpieces (or core modes). The accommodating space is generally a mounting hole composed of the semicircular groove at the lower end of the block, and the end shaft is inserted within the mounting hole in the mounting hole, and the end shaft can be rotated in the mounting hole. Or the rotation of the workpiece, it is convenient to wind and effectively wound prepreg.
 Next, a process for applying the above molded side beams, including the following steps:
 Install the top seat on both ends of the core mold and mount the top seat to the support;
 Wash prepl on the core mold;
 By adjusting the pressing regulatory elements, each molding is pressed against dip,
 Curing forming product foundation;
 Afterward, it is molded, and then the product is fixed between two seats;
 Puzzle prepared on the basis of the product;
 Then by adjusting the pressing regulatory elements, each molding is pressed against the immersion.
 Finally, curing the forming product, demolded.
 The product base demold operation can be: (along the horizontal direction) cutting the product base, taking the core mold, and then cut into two-petal product base docking, and the interval is wound.
 Then, when the prepreg paving is performed on the basis of the product, the at least one layer of prepreg is wound in the unwound tape, and after fixing the two-flapped product base, it will tear off the fixing tape. And touched prepreg in the tape position.
Thereafter, in turn, the prepreg is continuously wound in the outer surface of the previously wound, until the prepreg of the desired layer, reassembles each molded mode body, each outer end mold, And the top plate, after compressing the product surface, curing, molding products.
 Typically, the operation gap 61 is left between adjacent outer end molded structures, and the operating gap can be utilized before the curing forming product is operated, and the contact surface of the two-molded die body is injected into the inside, two The slight gap between the molded modes is filled, and the glue is molded, while maintaining sealing during thermal curing, the surface of the product corresponding to the two-molded die body seam position is compacted to maximize reduction. There is a resin exudation during the curing, and the surface quality of the product is improved. In this operation, the adhesive can be liquid rubber. Even if it is rubbed, it can maintain a certain strength, and it is also easy to clean when the mold is taken.
 In order to adapt to the above process, the top seat of the assembly unit can be designed as a ventilated structure. Specifically, there is a central hole 56 at the center of the top seat, and there is an overlay in the top holder. The hole 55 can effectively ensure that the surface pressure difference inside and outside the product is consistent, and when the prepreg is paved on the product, the product's good quality can be effectively improved, and the hollow side beam workpiece is prevented or collapsed. And other issues.
 When adjusting the pressing regulator, the sequence is adjusted multiple times. The specific mode is: Switching each of the top plates, substrates, and compression adjustment elements on each outer end in sequence or pair of diagonally, and, each screw-in depth does not exceed the total screw in the pressure adjustment element. 1/4, such an operation method can maximize the stability of the corresponding molded mode body "feed" action, and each molded die body has an approximately uniform pressure of the prepreg to reduce the pre- The partial extrusion deformation is too large. The adjustment operation of each molded mode body in the creation of the present invention can be adjusted as needed or operated as needed or operated, and can be adjusted as needed or operated. Therefore, it is possible to improve the operation of each molded mode body at the same time, improve the working efficiency.
 Typically, the lower end of the outer end mode body is also facing a connection screw 62 in the horizontal direction, and the connection screw is connected to one end of the corresponding molded die body, and the following molded modified position is based on the following molding. Left, the right forming mode has higher installation accuracy, ensuring that the upper, lower, left, and right forming die are completed after the assembly, the inner configuration cavity reaches the closed state, and the shape of the product defined in each molded mode is better. Meet the product processing needs, the products produced, the precision is higher, and the quality is better.
 It should be noted that the long groove 65 is provided on the outer side of the left and right molded die body, and each of the pressure-adjusted elements are against the bottom of the groove relative to the long groove, which can ensure pressure elimination elements. Top all molded mode body, and when the top plate is fixed, the left, the right forming die lays the structure basis, and each molded die body is moved downward, and the vertical direction is moved. And the assembly accuracy has a reliable guarantee. Typically, the top plate corresponds to each of the above-forming mode, and each outer terminal mode body is arranged with several fixed screws 66. After distributing rotilant screws, the top plate simultaneously presses the outer end surface and the upper forming end surface.
 The present invention creates a reasonable structure design, and each of the molding modes and outer terminals are used in the mold assembly, which is more convenient for processing, and the mold assembly is convenient and the positioning accuracy is high, and the pre-pressed workpiece During the immersion process, each molding mode is uniformly stable, and the molding surface pressure prepreg in the molding die is high. After thermal curing molding, it is very convenient.
 The preferred embodiments of the invention are intended to be made by the present invention, and any modifications, equivalents, improvements, etc. The invention is within the scope of protection of the invention.
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