Composite forming die for high-speed rail skin

Abstract

The utility model provides a high-speed rail skin composite forming die, which relates to the technical field of forming dies and comprises a lower die mounting platform, an upper die mounting platform, a split mounting type lower die, a split mounting type upper die and an aluminum plate with a composite structure layer. According to the device, an external hydraulic lifting device is adopted for driving a lower die mounting platform and an upper die mounting platform to ascend and descend correspondingly, the lower die mounting platform and the upper die mounting platform drive an assembled lower die and an assembled upper die on the lower die mounting platform and the upper die mounting platform to move inwards synchronously, and the assembled lower die and the assembled upper die are used for pressing an aluminum plate with a composite structure layer between the assembled lower die and the assembled upper die; the split mounting type lower die and the split mounting type upper die are both formed by splicing a plurality of modules, each module can be detached and replaced independently, overall replacement is avoided, cost is reduced, and the problem that the die is large in size and inconvenient to install and detach is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of forming molds, in particular to a high-speed railway skin composite forming mold. Background Art

[0002] The existing high-speed rail skin processing technology usually uses a whole piece of thickened aluminum plate and uses a machine tool to mill it to a thickness of 10 mm, which wastes raw materials and is cumbersome to operate. The above problems can be improved by pressing with upper and lower molds.

[0003] However, due to the large skin area used for high-speed railways, the corresponding mold volume is also large, which is not convenient for overall installation and disassembly. In addition, when part of the mold surface is damaged, the cost of replacing the entire mold is high. Utility Model Content

[0004] The purpose of the utility model is to provide a high-speed railway skin composite forming mold, which has the advantages that both the assembled lower mold and the assembled upper mold are spliced ​​by multiple modules, and each module can be disassembled and replaced individually, thereby solving the technical problems that the high-speed railway skin area is large and it is not convenient for the overall installation and disassembly, and the overall mold replacement cost is high.

[0005] The utility model provides a high-speed railway skin composite forming die, comprising:

[0006] Lower die mounting platform and upper die mounting platform;

[0007] The middle parts of the outer ends of the lower mold mounting platform and the upper mold mounting platform are fixedly mounted on the telescopic ends of the external hydraulic lifting equipment;

[0008] Assembled lower mold, which is composed of multiple lower mold modules arranged and assembled horizontally;

[0009] The lower die module of the assembled lower die can be detachably fixedly assembled on the upper surface of the lower die installation platform;

[0010] Assembled upper mold, which is composed of multiple upper mold modules arranged and assembled horizontally;

[0011] The upper mold module of the assembled upper mold can be detachably fixedly assembled on the lower surface of the upper mold installation platform;

[0012] The aluminum plate with a composite structural layer is located between the assembled lower mold and the assembled upper mold.

[0013] As a further optimization scheme, in order to complete the pressing of the aluminum plate with the composite structure layer, an arc-shaped groove is provided in the middle of the assembled lower mold;

[0014] An arc-shaped protrusion is provided in the middle of the assembled upper mold, and the arc-shaped protrusion matches the arc-shaped groove.

[0015] As a further optimization scheme, in order to avoid the gaps and holes of the assembled lower die and the assembled upper die corresponding to each other, the aluminum plate with the composite structure layer is better pressed, and the number of lower die modules of the assembled lower die is 20;

[0016] The number of upper mold modules of the assembled upper mold is 21;

[0017] The assembled lower mold corresponds to the middle part of the assembled upper mold up and down.

[0018] As a further optimization solution, in order to be better pressed and formed, the thickness of the aluminum plate with the composite structure layer is 20 mm, and the aluminum plate with the composite structure layer is heated to 22 degrees during pretreatment.

[0019] As a further optimization scheme, in order to guide the up and down movement of the assembled lower mold and the assembled upper mold, an upper and lower mold guide mechanism is also included, which includes:

[0020] Guide pillars, at least two in number;

[0021] The lower ends of the two guide pillars are respectively and vertically fixedly assembled on the lateral side edges of the upper surface of the lower mold installation platform;

[0022] The upper ends of the two guide pillars respectively penetrate the lateral edges of the lower surface of the upper mold installation platform.

[0023] As a further optimization solution, in order to improve the support strength of the guide column, a support seat is fixedly installed between the lower end of the guide column and the edge of the upper surface of the lower mold mounting platform.

[0024] As a further optimization scheme, in order to make the limit block abut against the support seat, when the upper mold mounting platform abuts against the limit block, the gap thickness between the assembled lower mold and the assembled upper mold is just used for pressing the aluminum plate with a composite structural layer, the outer wall of the guide column is slidably sleeved with the limit block, and the limit block moves down and abuts against the support seat.

[0025] As a further optimization scheme, in order to reduce the weight of the mold mounting platform and ensure the strength of the mold mounting platform, the lower mold mounting platform and the upper mold mounting platform have the same structure, and the upper mold mounting platform includes:

[0026] A flat plate, on which one end of the spliced ​​grid plate is fixedly mounted;

[0027] The flat plate is a mold mounting portion of the upper mold mounting platform;

[0028] The cover plate is provided with an assembled connection structure between the cover plate and the other end of the spliced ​​grid plate.

[0029] As a further optimization solution, in order to crisscross and splice multiple vertical panels and partitions into a grid-like whole to ensure the supporting strength, the spliced ​​grid panel includes:

[0030] A vertical plate is evenly fixed and assembled on the upper surface of the flat plate along the length direction of the flat plate;

[0031] The partitions are evenly arranged along the width direction of the plate;

[0032] A slot is provided at the upper end of the vertical plate corresponding to the partition, and the partition is inserted into the slot;

[0033] The assembled connection structure is arranged between the upper end of the partition plate and the cover plate.

[0034] As a further optimization solution, in order to realize the splicing and fixing of the cover plate and the splicing grid plate, the assembled connection structure includes:

[0035] A clamping protrusion is uniformly and integrally formed on the upper end of the partition;

[0036] The cover plate is provided with a slot corresponding to the locking protrusion, and the locking protrusion is inserted and locked in the corresponding slot.

[0037] The utility model provides a high-speed railway skin composite forming die through improvement, which has the following improvements and advantages compared with the prior art:

[0038] The device adopts external hydraulic lifting equipment to drive the lower mold mounting platform and the upper mold mounting platform to rise and fall respectively. The lower mold mounting platform and the upper mold mounting platform drive the assembled lower mold and the assembled upper mold thereon to move inward synchronously. The assembled lower mold and the assembled upper mold are used to press the aluminum plate with a composite structural layer between the two. The assembled lower mold and the assembled upper mold are both made of multiple modules. Each module can be disassembled and replaced separately to avoid overall replacement, reduce costs, and overcome the problem that the mold is large and inconvenient to install and disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0040] Figure 1 It is a schematic diagram of the structure of the utility model;

[0041] Figure 2 It is a schematic diagram of the lower mold installation platform and the assembled lower mold assembly structure of the utility model;

[0042] Figure 3 It is a schematic diagram of the upper mold installation platform and the assembled upper mold assembly structure of the utility model;

[0043] Figure 4 This is a schematic diagram of the structure of the upper and lower mold guide mechanism of the utility model;

[0044] Figure 5 It is a schematic diagram of the structure of the upper mold installation platform of the utility model.

[0045] Description of reference numerals:

[0046] 1-lower mold mounting platform, 2-upper mold mounting platform, 21-flat plate, 22-spliced ​​grid plate, 221-vertical plate, 222-slot, 223-partition plate, 23-cover plate, 24-assembled connection structure, 241-clamping protrusion, 242-slot, 3-assembled lower mold, 4-assembled upper mold, 5-upper and lower mold guide mechanism, 51-guide column, 52-support seat, 53-limiting block, 6-aluminum plate with composite structure layer. DETAILED DESCRIPTION

[0047] The technical solution of the utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0048] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0049] In the description of the present utility model, it should be understood that the terms "first" and "second" are only used for descriptive purposes, and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, "multiple" means two or more, unless otherwise clearly and specifically defined. In addition, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0050] See also Figure 1-5 The utility model provides a technical solution: a high-speed rail skin composite forming mold, comprising:

[0051] A lower mold mounting platform 1 and an upper mold mounting platform 2. In this embodiment, the lower mold mounting platform 1 and the upper mold mounting platform 2 are both rectangular platforms;

[0052] The middle parts of the outer ends of the lower mold mounting platform 1 and the upper mold mounting platform 2 are fixedly mounted on the telescopic ends of the external hydraulic lifting equipment;

[0053] The assembled lower mold 3 is composed of a plurality of lower mold modules arranged and assembled in a transverse manner;

[0054] The lower mold modules of the assembled lower mold 3 are detachably fixedly assembled on the upper surface of the lower mold mounting platform 1, and these lower mold modules can be individually disassembled and replaced;

[0055] The assembled upper mold 4 is composed of a plurality of upper mold modules arranged and assembled in a transverse manner;

[0056] The upper mold modules of the assembled upper mold 4 are detachably fixedly assembled on the lower surface of the upper mold mounting platform 2, and these upper mold modules can be individually disassembled and replaced;

[0057] The aluminum plate 6 with a composite structure layer is located between the assembled lower mold 3 and the assembled upper mold 4. The aluminum plate 6 with a composite structure layer is a composite of an aluminum alloy plate and aramid fiber prepreg or carbon fiber material, thereby improving the wear resistance and corrosion resistance of the plate.

[0058] In some embodiments, in order to complete the pressing of the aluminum plate 6 with the composite structure layer, an arc-shaped groove is provided in the middle of the assembled lower mold 3;

[0059] An arc-shaped protrusion is provided in the middle of the assembled upper mold 4, and the arc-shaped protrusion matches the arc-shaped groove. The arc surfaces of the arc-shaped protrusion and the arc-shaped groove are designed according to the arc surface shape of the skin to be pressed, and multiple modules are spliced ​​to form this arc surface.

[0060] In some embodiments, in order to avoid the upper and lower correspondence between the gaps and holes of the assembled lower mold 3 and the assembled upper mold 4, and to better press the aluminum plate 6 with the composite structure layer, the number of lower mold modules of the assembled lower mold 3 is 20;

[0061] The number of upper die modules of the assembled upper die 4 is 21;

[0062] The assembled lower mold 3 corresponds to the assembled upper mold 4 in the middle part, and the number of upper mold modules and lower mold modules can be adjusted as needed to ensure that the number of upper mold modules is one more than the number of lower mold modules and the integrity of the mold arc surface is guaranteed.

[0063] In some embodiments, in order to be better pressed and formed, the thickness of the aluminum plate 6 with the composite structure layer is 20 mm, and the aluminum plate 6 with the composite structure layer is heated to 22 degrees during pretreatment.

[0064] In some embodiments, in order to guide the up and down movement of the assembled lower mold 3 and the assembled upper mold 4, an upper and lower mold guide mechanism 5 is also included, which includes:

[0065] Guide pillars 51, the number of which is at least two;

[0066] The lower ends of the two guide pillars 51 are respectively and vertically fixedly assembled on the lateral edges of the upper surface of the lower mold installation platform 1;

[0067] The upper ends of the two guide pillars 51 respectively penetrate the two lateral edges of the lower surface of the upper mold installation platform 2 .

[0068] In some embodiments, in order to improve the support strength of the guide pillar 51 , a support seat 52 is fixedly installed between the lower end of the guide pillar 51 and the edge of the upper surface of the lower mold installation platform 1 .

[0069] In some embodiments, in order to make the limit block 53 abut against the support seat 52, when the upper mold mounting platform 2 abuts against the limit block 53, the gap thickness between the assembled lower mold 3 and the assembled upper mold 4 is just used for pressing the aluminum plate 6 with the composite structural layer, the outer wall of the guide column 51 is slidably sleeved with the limit block 53, and the limit block 53 moves down and abuts against the support seat 52.

[0070] In some embodiments, in order to reduce the weight of the mold mounting platform and ensure the strength of the mold mounting platform, the lower mold mounting platform 1 and the upper mold mounting platform 2 have the same structure, and the upper mold mounting platform 2 includes:

[0071] The flat plate 21 is fixedly mounted with one end of a splicing grid plate 22, and the splicing grid plate 22 supports the flat plate 21 and the cover plate 23, and the support strength is ensured by the grid structure of the splicing grid plate 22 itself;

[0072] The flat plate 21 is the mold mounting portion of the upper mold mounting platform 2;

[0073] An assembled connection structure 24 is provided between the cover plate 23 and the other end of the spliced ​​grid plate 22 .

[0074] In some embodiments, in order to crisscross and splice a plurality of vertical panels 221 and partitions 223 into a grid-like whole to ensure support strength, the spliced ​​grid panel 22 includes:

[0075] The vertical plate 221 is evenly fixedly mounted on the upper surface of the flat plate 21 along the length direction of the flat plate 21;

[0076] The partitions 223 are evenly arranged along the width direction of the flat plate 21;

[0077] A slot 222 is formed at the upper end of the vertical plate 221 corresponding to the partition plate 223, and the partition plate 223 is inserted into the slot 222;

[0078] The assembled connection structure 24 is disposed between the upper end of the partition plate 223 and the cover plate 23 .

[0079] In some embodiments, in order to achieve the splicing and fixing of the cover plate 23 and the splicing grid plate 22, the assembled connection structure 24 includes:

[0080] The clamping protrusion 241 is uniformly and integrally formed on the upper end of the partition 223;

[0081] A locking groove 242 is formed on the cover plate 23 corresponding to the locking protrusion 241 , and the locking protrusion 241 is inserted into and locked in the corresponding locking groove 242 .

[0082] Working principle:

[0083] The telescopic end of the external hydraulic lifting device is fixedly connected to the middle of the outer end of the lower mold mounting platform 1 and the upper mold mounting platform 2, and the lower mold mounting platform 1 and the upper mold mounting platform 2 are driven to rise and fall by the external hydraulic lifting device. The lower mold mounting platform 1 and the upper mold mounting platform 2 drive the assembled lower mold 3 and the assembled upper mold 4 thereon to move inward synchronously, and the assembled lower mold 3 and the assembled upper mold 4 are used to press the aluminum plate 6 with a composite structural layer therebetween. The assembled lower mold 3 and the assembled upper mold 4 are both made of multiple modules, and each module can be disassembled and replaced separately to avoid overall replacement, reduce costs, and overcome the problem that the mold is large and inconvenient to install and disassemble.

[0084] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A high-speed railway skin composite forming die, characterized in that: include: A lower mold mounting platform (1) and an upper mold mounting platform (2); The middle parts of the outer ends of the lower mold mounting platform (1) and the upper mold mounting platform (2) are fixedly mounted on the telescopic ends of the external hydraulic lifting equipment; An assembled lower mold (3) is composed of a plurality of lower mold modules arranged and assembled in a transverse manner; The lower mold module of the assembled lower mold (3) is detachably fixedly assembled on the upper surface of the lower mold mounting platform (1); An assembled upper mold (4) is composed of a plurality of upper mold modules arranged and assembled in a transverse manner; The upper mold module of the assembled upper mold (4) is detachably fixedly assembled on the lower surface of the upper mold installation platform (2); An aluminum plate (6) with a composite structural layer is located between the assembled lower mold (3) and the assembled upper mold (4).

2. A high-speed railway skin composite forming mold according to claim 1, characterized in that: An arc-shaped groove is provided in the middle of the assembled lower mold (3); An arc-shaped protrusion is provided in the middle of the assembled upper mold (4), and the arc-shaped protrusion matches the arc-shaped groove.

3. The high-speed railway skin composite forming mold according to claim 1, characterized in that: The number of lower mold modules of the assembled lower mold (3) is 20; The number of upper mold modules of the assembled upper mold (4) is 21; The middle parts of the assembled lower mold (3) and the assembled upper mold (4) correspond to each other in the upper and lower parts.

4. The high-speed railway skin composite forming mold according to claim 1, characterized in that: The thickness of the aluminum plate (6) with the composite structure layer is 20 mm, and the aluminum plate (6) with the composite structure layer is heated to 22 degrees during pretreatment.

5. The high-speed railway skin composite forming mold according to claim 1, characterized in that: It also includes an upper and lower mold guiding mechanism (5), which includes: Guide pillars (51), the number of which is at least two; The lower ends of the two guide pillars (51) are respectively and vertically fixedly mounted on the lateral side edges of the upper surface of the lower mold mounting platform (1); The upper ends of the two guide pillars (51) respectively penetrate the lateral edges of the lower surface of the upper die installation platform (2).

6. A high-speed railway skin composite forming die according to claim 5, characterized in that: A support seat (52) is fixedly mounted between the lower end of the guide column (51) and the edge of the upper surface of the lower die installation platform (1).

7. A high-speed railway skin composite forming die according to claim 6, characterized in that: The outer wall of the guide column (51) is slidably sleeved with a limit block (53), and the limit block (53) is moved downward and abuts against the support seat (52).

8. The high-speed railway skin composite forming die according to claim 1, characterized in that: The lower mold mounting platform (1) and the upper mold mounting platform (2) have the same structure, and the upper mold mounting platform (2) comprises: A flat plate (21) on which one end of a spliced ​​grid plate (22) is fixedly mounted; The flat plate (21) is a mold mounting portion of the upper mold mounting platform (2); An assembled connection structure (24) is provided between the cover plate (23) and the other end of the spliced ​​grid plate (22).

9. A high-speed railway skin composite forming die according to claim 8, characterized in that: The spliced ​​grid plate (22) comprises: A vertical plate (221) is evenly fixedly mounted on the upper surface of the flat plate (21) along the length direction of the flat plate (21); The partitions (223) are evenly arranged along the width direction of the flat plate (21); A slot (222) is provided at the upper end of the vertical plate (221) corresponding to the partition plate (223), and the partition plate (223) is inserted into the slot (222); The assembled connection structure (24) is arranged between the upper end of the partition plate (223) and the cover plate (23).

10. A high-speed railway skin composite forming die according to claim 9, characterized in that: The assembled connection structure (24) comprises: A clamping protrusion (241) is uniformly and integrally formed on the upper end of the partition (223); A clamping groove (242) is provided on the cover plate (23) corresponding to the clamping protrusion (241), and the clamping protrusion (241) is inserted and clamped in the corresponding clamping groove (242).

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