Automobile frame-shaped structure die

Abstract

An automobile frame-shaped structure mold comprises a base, a fixing assembly, a material spraying assembly, a cooling assembly and a product, the fixing assembly comprises a mold core, a mounting groove is formed in the end face of the side, away from the base, of the mold core, the product is arranged in the mounting groove in a matched mode, the material spraying assembly is installed on the mold core, and the cooling assembly comprises a first cooling piece and a second cooling piece. The first cooling piece is arranged on the side, away from the base, of the product, and the second cooling piece is arranged on the side, close to the base, of the product; compared with the prior art, the product is arranged in the installation groove of the fixing assembly in a matched mode, the product is kept relatively stable in the operation process, and deformation in the operation process is reduced; the first cooling assembly and the second cooling assembly are arranged at the two ends of the product, the product can be fully cooled, and product deformation during machining is reduced; the product is fed through the material spraying assembly, and product deformation can be controlled and adjusted through the injection molding process.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile plastic door panel mould, especially to an automobile frame structure mould. BACKGROUND

[0002] The automobile plastic door panel is a vital part in the decoration of modern automobile manufacturing, which is presented in front of the driver and passenger, and its aesthetic degree directly reflects the overall quality of the automobile. The middle trim panel of the door panel of the high-end vehicle is designed differently from other similar products, which adopts an upper and lower split type. In order to save material cost, the bottom is designed as a frame, and the middle part is not connected with the product. The plastic frame product is very easy to deform, and the deformation will affect the assembly precision requirement and appearance quality of the overall product. Therefore, how to control the deformation becomes crucial, which not only affects the product quality, but also has a great influence on the control of production efficiency and production cost. Therefore, innovative mould structure and process need to be adopted to meet the production requirements of the product. SUMMARY

[0003] In view of the deficiencies and defects of the prior art, an automobile frame structure mould is provided. In order to achieve the purpose of reducing product deformation, the utility model provides the following technical scheme.

[0004] An automobile frame structure mould, comprising a base, a fixing assembly, a material spraying assembly, a cooling assembly and a product, the fixing assembly comprising a core, the core being provided with a mounting groove on the end face away from the base, the product being fitted in the mounting groove, the material spraying assembly being installed on the core, the cooling assembly comprising a first cooling member and a second cooling member, the first cooling member being arranged on the side of the product away from the base, and the second cooling member being arranged on the side of the product close to the base.

[0005] Compared with the prior art, the product is fitted in the mounting groove of the fixing assembly, so that the product remains relatively stable during operation and the deformation during operation is reduced. The first cooling assembly and the second cooling assembly are arranged at both ends of the product, so that the product can be fully cooled and the product deformation during processing is reduced. The product is fed through the material spraying assembly, and the product deformation can be controlled and adjusted through the injection molding process.

[0006] Further, the base is provided with a fixing block and a push plate, the fixing block is arranged around the push plate, the upper end face of the fixing block abuts against the lower end face of the core, a cavity is formed between the core and the base, and a wear-resistant member is arranged between the push plate and the base.

[0007] Through the above improvement, the fixed block is arranged on the base, the upper end surface of the fixed block is in abutment with the lower end surface of the core, the fixed block is used for fixing the core, the core can be fixed firmly, the stability during mold machining is improved, and the deformation of the product is reduced; and the wear-resistant piece is arranged between the push plate and the base, the wear-resistant piece can prevent the push plate from being in direct contact with the base for a long time, wear is reduced, and the service life of the component is improved.

[0008] Further, the first cooling member includes a first cooling circuit and a first nozzle, the first cooling circuit is arranged above the product in parallel, and the first nozzle is fixedly connected to the first cooling circuit; the second cooling member includes a second cooling circuit and a second nozzle, the second cooling circuit is arranged in the cavity and arranged in parallel relative to the product, and the second nozzle is fixedly connected to the second cooling circuit, and the second nozzle is arranged obliquely.

[0009] Through the above improvement, the first cooling circuit of the first cooling member is arranged above the product in parallel, the first cooling circuit of the first cooling member is arranged below the product in parallel, the product can be cooled sufficiently, and thermal deformation is prevented; the first nozzle is arranged on the first cooling circuit, the second nozzle is arranged on the second cooling circuit, and the second nozzle is arranged obliquely, locally adopting a inclined fountain structure, the first cooling circuit, the second cooling circuit, the first nozzle and the second nozzle can effectively control the cooling effect, the local temperature can be controlled, and the deformation of the product is controlled by controlling different temperatures.

[0010] Further, the material spraying assembly includes a plurality of first spraying barrels and second spraying barrels, a nozzle of the first spraying barrel is in abutment with an end surface of the product away from the cavity, the second spraying barrel is annularly arranged around the product, and a lower end of a nozzle of the second spraying barrel is provided with a feeding cavity, the feeding cavity includes a flow channel and a nozzle opening, the nozzle opening is horn-shaped, and the nozzle opening is in abutment with an end surface of the product close to the cavity.

[0011] Through the above improvement, the material spraying assembly includes the first spraying barrels and the second spraying barrels, the nozzle of the first spraying barrel is in abutment with the end surface of the product away from the base, and the feeding is performed in a direct feeding mode; the second spraying barrel is annularly arranged around the product, the lower end of the nozzle of the second spraying barrel is provided with the feeding cavity, the feeding cavity includes the flow channel and the nozzle opening, the nozzle opening is horn-shaped, and the horn gate and the direct gate are combined, so that the deformation of the product is controlled by the injection molding process.

[0012] Further, the lower end of the second spraying barrel is provided with a ejector pin, the push plate is provided with a pin plate, the lower end of the ejector pin is fixedly arranged in the pin plate, the upper end of the ejector pin is triangular in cross section, the lower end of the flow channel is provided with a pin hole, the core is provided with a mounting cavity, and the upper end of the ejector pin and the pin hole are movably arranged in the mounting cavity.

[0013] Through the above improvement, the lower end of the second spray barrel is provided with a needle, and the lower end of the needle is fixedly arranged in the needle plate, thereby improving the stability of the needle during use and reducing product deformation; the upper end of the needle is triangular in cross section, and the lower end of the flow channel is provided with a needle hole, and the core is provided with a mounting cavity, and the upper end of the needle is movably connected with the needle hole in the mounting cavity, and the triangular upper end of the needle can better cooperate with the needle hole, and the needle facilitates automatic grabbing of the flow channel gate by a mechanical hand, thereby realizing automatic production.

[0014] Further, the mounting cavity is provided with a bushing, the bushing is sleeved on the outer wall of the needle and the needle hole, the lower end of the core is provided with a pressing plate, the pressing plate is fixed on the lower end of the core by bolts, and the upper end surface of the pressing plate abuts against the lower end surface of the bushing.

[0015] Through the above improvement, the mounting cavity is provided with a bushing, the installed bushing can increase the wear resistance of the needle, and burrs are not easily generated during work, thereby further increasing the service life of the mold and facilitating maintenance and replacement.

[0016] Further, the base is provided with a plurality of oil cylinders, the oil cylinders are arranged in cooperation with the needle plate, and the oil cylinders drive the needle plate to ascend and descend; the needle plate is provided with a plurality of ejector rods, the lower end of the ejector rod is fixedly connected in the needle plate, and the upper end of the ejector rod abuts against the lower end surface of the product.

[0017] Through the above improvement, the base is provided with a plurality of oil cylinders, the oil cylinders are arranged in cooperation with the needle plate, and the oil cylinders drive the needle plate to ascend and descend, the oil cylinder is used for ejecting and resetting, the resetting speed is fast, and the efficiency is improved; the needle plate is provided with a plurality of ejector rods, the ejector rods are balanced and ejected in a way of inclined ejection or straight ejection, and product deformation caused by ejection is avoided.

[0018] Further, the product tip is provided with an insert block.

[0019] Through the above improvement, the insert block is arranged at the tip of the product, the product is pre-deformed and adjusted in shape, and local deformation of the product is corrected and compensated. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is an overall structural view of the application (remove the core);

[0021] Figure 2 It is a top view structural view of the application (remove the core);

[0022] Figure 3 It is a front view structural view of the application (remove the core);

[0023] Figure 4 is a schematic view of the structure of the core of the application;

[0024] Figure 5 is a schematic view of the positional relationship between the product of the application and the first cooling member;

[0025] Figure 6 is a schematic view of the positional relationship between the product of the application and the second cooling member;

[0026] Figure 7 is a sectional view of the material spraying assembly of the application.

[0027] Wherein, 1, base; 1.1, push plate; 1.11, wear-resistant part; 1.2, needle plate; 1.3, oil cylinder; 2, fixing assembly; 2.1, core; 2.11, mounting groove; 2.12, mounting cavity; 2.2, fixing block; 2.3, cavity; 3, material spraying assembly; 3.1, first spraying cylinder; 3.2, second spraying cylinder; 3.3, feeding cavity; 3.31, flow channel; 3.32, nozzle; 3.33, ejector pin hole; 3.4, ejector pin; 4, cooling assembly; 4.1, first cooling member; 4.11, first cooling circuit; 4.12, first nozzle; 4.2, second cooling member; 4.21, second cooling circuit; 4.22, second nozzle; 5, product; 6, bushing; 7, pressing plate; 8, ejector rod; 9, insert block. DETAILED DESCRIPTION

[0028] The utility model will be further described below in combination with the drawings and specific embodiments.

[0029] In the description of the utility model, it needs to be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as limiting the utility model. The terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0030] As shown in Figures 1 to 7 An automobile frame structure mold, comprising a base 1, a fixing assembly 2, a material spraying assembly 3, a cooling assembly 4 and a product 5, the fixing assembly 2 comprises a core 2.1, the core 2.1 is provided with a mounting groove 2.11 on the end face away from the base 1, the product 5 is cooperatively arranged in the mounting groove 2.11, the material spraying assembly 3 is installed on the core 2.1, the cooling assembly 4 comprises a first cooling member 4.1 and a second cooling member 4.2, the first cooling member 4.1 is arranged on the side of the product 5 away from the base 1, and the second cooling member 4.2 is arranged on the side of the product 5 close to the base 1.

[0031] The insert 9 is arranged at the tip of the product 5, so that the product 5 is pre-deformed to correct the local deformation of the product 5.

[0032] The base 1 is provided with a fixed block 2.2 and a push plate 1.1, the fixed block 2.2 is fixedly arranged around the push plate 1.1, the push plate 1.1 is surrounded, the upper end surface of the fixed block 2.2 abuts against the lower end surface of the core 2.1, the fixed block 2.2 is used for fixing the core 2.1, so that the core 2.1 can be fixed firmly, the stability during mold processing is improved, so as to reduce the deformation of the product 5; and a wear-resistant part 1.11 is arranged between the push plate 1.1 and the base 1, the wear-resistant part 1.11 can prevent the push plate 1.1 from being in direct contact with the base 1 for a long time, reduce wear, and improve the service life of the part.

[0033] The material spraying assembly 3 comprises a plurality of first spraying barrels 3.1 and second spraying barrels 3.2, the nozzles of the first spraying barrels 3.1 abut against the end surface of the end of the product 5 away from the base 1, and the feeding is performed in a direct feeding mode; the second spraying barrels 3.2 are annularly arranged around the product 5, and the lower end of the nozzle of the second spraying barrel 3.2 is provided with a feeding cavity 3.3, the feeding cavity 3.3 comprises a flow channel 3.31 and a spout 3.32, the spout 3.32 is horn-shaped, and the spout 3.32 abuts against the end surface of the side of the product 5 close to the base 1; the feeding assembly adopts a combination of a horn gate and a direct gate, and the deformation of the product 5 is controlled and adjusted through an injection molding process.

[0034] The lower end of the second spraying barrel 3.2 is provided with a ejector pin 3.4, the push plate 1.1 is provided with a needle plate 1.2, the lower end of the ejector pin 3.4 is fixedly arranged in the needle plate 1.2, the stability of the ejector pin 3.4 during use is improved, and the deformation of the product 5 is reduced; the cross section of the upper end of the ejector pin 3.4 is triangular, the upper end of the triangular ejector pin 3.4 can better cooperate with the ejector pin hole 3.33, the lower end of the flow channel 3.31 is provided with the ejector pin hole 3.33, the core 2.1 is provided with a mounting cavity 2.12, the upper end of the ejector pin 3.4 and the ejector pin hole 3.33 are movably arranged in the mounting cavity 2.12, the ejector pin 3.4 facilitates automatic grabbing of the flow channel 3.31 gate by a mechanical hand, and automatic production is realized.

[0035] The mounting cavity 2.12 is provided with a bushing 6, the bushing 6 is arranged on the outer wall after the ejector pin 3.4 and the ejector pin hole 3.33 are cooperatively arranged, the installed bushing 6 can increase the wear resistance of the ejector pin 3.4, the burr is not easy to be generated during work, the service life of the mold is further increased, and maintenance and replacement are also facilitated; the lower end of the core 2.1 is provided with a pressing plate 7, the pressing plate 7 is fixedly arranged at the lower end of the core 2.1 through bolts, and the upper end surface of the pressing plate 7 abuts against the lower end surface of the bushing 6, the arranged pressing plate 7 can fix the bushing 6 in the mounting cavity 2.12.

[0036] The base 1 is further provided with a plurality of oil cylinders 1.3, which are arranged in cooperation with the needle plate 1.2, the oil cylinders 1.3 drive the needle plate 1.2 to ascend and descend, the oil cylinders 1.3 are used to reset, the resetting speed is fast, and the efficiency is improved; the needle plate 1.2 is provided with a plurality of top rod pieces 8, the lower end of the top rod piece 8 is fixedly connected in the needle plate 1.2, and the upper end of the top rod piece 8 abuts against the lower end face of the product 5, the top rod piece 8 is arranged in a manner of inclined top, straight top or the like to balance and eject the top rod piece 8, and deformation of the product 5 caused by ejection is avoided.

[0037] The cooling assembly 4 comprises a first cooling piece 4.1 and a second cooling piece 4.2, the first cooling piece 4.1 comprises a first cooling circuit 4.11 and a first spray head 4.12, the first cooling circuit 4.11 of the first cooling piece 4.1 is arranged above the product 5 in parallel with respect to the product 5, the second cooling piece 4.2 comprises a second cooling circuit 4.21 and a second spray head 4.22, the second cooling circuit 4.21 is arranged in the cavity 2.3 and is arranged in parallel with respect to the product 5, the first cooling circuit 4.11 and the second cooling circuit 4.21 can sufficiently cool the product 5 and prevent thermal deformation; the first spray head 4.12 of the first cooling piece 4.1 is fixedly connected to the first cooling circuit 4.11, the second spray head 4.22 of the second cooling piece 4.2 is fixedly connected to the second cooling circuit 4.21, and the second spray head 4.22 is arranged in an inclined manner, that is, in a manner of inclined fountain, the first spray head 4.12 and the second spray head 4.22 can effectively control the cooling effect to control the local temperature, and the deformation of the product 5 is controlled and adjusted by controlling different temperatures.

[0038] The preferred embodiments of the utility model are described above, the protection scope of the utility model is not limited to the above-mentioned embodiments only, and any technical scheme falling within the concept of the utility model belongs to the protection scope of the utility model. It should be noted that, for ordinary skilled persons in the technical field, some improvements and decorations without departing from the principle of the utility model can also be considered as the protection scope of the utility model.

Claims

1. A car frame structure mold, characterized in that: The utility model provides a sand casting machine, including base (1), fixed assembly (2), spray material assembly (3), cooling assembly (4) and product (5), fixed assembly (2) includes core print (2.1), the end face of core print (2.1) is provided with mounting groove (2.11) on the side away from base (1), product (5) is matched and arranged in mounting groove (2.11), spray material assembly (3) is installed on core print (2.1), cooling assembly (4) includes first cooling piece (4.1) and second cooling piece (4.2), first cooling piece (4.1) is arranged on the side away from base (1) of product (5), and second cooling piece (4.2) is arranged on the side close to base (1) of product (5).

2. The die for a frame structure of an automobile according to claim 1, wherein: The upper end surface of the fixed block (2.2) is in abutment with the lower end surface of the core print (2.1), and a mold cavity (2.3) is formed between the core print (2.1) and the base (1). The wear-resistant piece (1.11) is arranged between the push plate (1.1) and the base (1).

3. A die for forming a frame structure for a vehicle as defined in claim 2, wherein: The first cooling piece (4.1) includes a first cooling circuit (4.11) and a first spray head (4.12). The first cooling circuit (4.11) is arranged in parallel with respect to the product (5). The first spray head (4.12) is fixedly connected to the first cooling circuit (4.11). The second cooling piece (4.2) includes a second cooling circuit (4.21) and a second spray head (4.22). The second cooling circuit (4.21) is arranged in the mold cavity (2.3) and is arranged in parallel with respect to the product (5). The second spray head (4.22) is fixedly connected to the second cooling circuit (4.21). The second spray head (4.22) is arranged obliquely.

4. The die for a frame structure of an automobile according to claim 2, wherein: The spray material assembly (3) includes a plurality of first spray barrels (3.1) and second spray barrels (3.2). The nozzles of the first spray barrels (3.1) are in abutment with the end surface of the product (5) away from the mold cavity (2.3). The second spray barrels (3.2) are arranged around the product (5). The lower ends of the nozzles of the second spray barrels (3.2) are provided with feeding cavities (3.3). The feeding cavities (3.3) include flow channels (3.31) and spouts (3.32). The spouts (3.32) are horn-shaped. The spouts (3.32) are in abutment with the end surface of the product (5) close to the mold cavity (2.3).

5. A die for forming a frame structure for a vehicle as defined in claim 4, wherein: The lower end of the second spray barrel (3.2) is provided with a ejector pin (3.4), the push plate (1.1) is provided with a needle plate (1.2), the lower end of the ejector pin (3.4) is fixedly arranged in the needle plate (1.2), the upper end of the ejector pin (3.4) is triangular in cross section, the lower end of the flow channel (3.31) is provided with an ejector pin hole (3.33), the core (2.1) is provided with a mounting cavity (2.12), and the upper end of the ejector pin (3.4) and the ejector pin hole (3.33) are movably arranged in the mounting cavity (2.12).

6. A die for forming a frame structure for a vehicle as defined in claim 5, wherein: The mounting cavity (2.12) is provided with a bushing (6), the bushing (6) is sleeved on the outer wall of the ejector pin (3.4) and the ejector pin hole (3.33), the lower end of the core (2.1) is provided with a pressing plate (7), the pressing plate (7) is fixed on the lower end of the core (2.1) by bolts, and the upper end surface of the pressing plate (7) abuts against the lower end surface of the bushing (6).

7. The automotive frame structure mold according to claim 5, wherein: The base (1) is provided with a plurality of oil cylinders (1.3), the oil cylinders (1.3) are arranged in cooperation with the needle plate (1.2), the oil cylinders (1.3) drive the needle plate (1.2) to ascend and descend, the needle plate (1.2) is provided with a plurality of ejector rod members (8), the lower end of the ejector rod member (8) is fixedly connected in the needle plate (1.2), and the upper end of the ejector rod member (8) abuts against the lower end surface of the product (5).

8. The automotive frame structure mold according to claim 5, wherein: The product (5) is provided with an insert block (9) at the sharp end.

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