CN218656258U - Urban rail vehicle aluminum alloy window frame pressure forming device - Google Patents
Urban rail vehicle aluminum alloy window frame pressure forming device Download PDFInfo
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- CN218656258U CN218656258U CN202221715456.2U CN202221715456U CN218656258U CN 218656258 U CN218656258 U CN 218656258U CN 202221715456 U CN202221715456 U CN 202221715456U CN 218656258 U CN218656258 U CN 218656258U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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Abstract
The utility model discloses an urban rail vehicle aluminum alloy window frame pressure forming device, which comprises an upper die assembly, a lower die assembly, a sliding block assembly and a rotating block assembly, wherein the lower die assembly comprises a lower die bottom plate, a lower die first side plate and a lower die second side plate which are used for clamping the lower die bottom plate, and a lower die adjustable mandrel is arranged on the lower die bottom plate between the lower die first side plate and the lower die second side plate; the sliding block assembly slides up and down through a cylindrical helical pressure spring sleeved on the lower die adjustable mandrel, and the two rotating blocks are symmetrically arranged on two sides of the sliding block assembly and are hinged with the lower die first side plate and the lower die second side plate; the upper die assembly pushes the sliding block assembly to move downwards and drives the two rotating blocks to rotate towards the upper die matching plate, and finally a bending cavity for bending the section is surrounded; the utility model discloses an go up the cooperation between mould group becomes, lower mould group becomes, sliding block group becomes and the rotating block group becomes, surrounds the bending chamber that carries out the bending to the section bar, carries out the bending operation to placing the section bar in the bending chamber, one shot forming, and the cost of manufacture is low, and easy operation is convenient.
Description
The technical field is as follows:
the utility model relates to a machinery processing technology field especially relates to an urban rail vehicle aluminum alloy window frame pressure forming device.
Background art:
modern urban rail transit vehicles are rapidly developed, and in order to meet diversified riding requirements, the exploration of new designs and new processes is never stopped. The urban rail transit vehicle has complex running condition and extremely high design safety factor, so that strict requirements are provided for various mechanical indexes such as a vehicle body, interior decoration and the like. The window frame is particularly used as a bearing piece for tempered glass and a side wall window of a vehicle body, and four corners of the window frame are generally designed to be in large arc transition so as to avoid stress concentration.
The traditional manufacturing process generally depends on a pipe bending machine, and a corresponding pipe bending die is designed according to the section of the section. Aiming at the aluminum alloy window frame of the railway vehicle, the process has two obvious defects: (1) The requirements on the profile degree of the circular corner surface of the window frame of the railway vehicle are generally within 0.5mm, and the distance tolerance of adjacent circular corners is within 1mm, so that the process has higher requirements on the positioning precision and the die tolerance of the pipe bender; (2) The elastic modulus of the aluminum alloy is far lower than that of carbon steel, the material rigidity is lower on the same scale, the elastic deformation is larger, the resilience is larger after the bent pipe is bent, the radian requirement is not easy to guarantee, the operation difficulty is increased, the yield is reduced, and corresponding shaping tools are often required to be assisted.
The utility model has the following contents:
the utility model discloses the technical problem that will solve is: the problems that in the prior art, the requirements on the positioning precision and the tolerance of a die of a pipe bending machine are high, and a shaping tool needs to be reused for processing due to large resilience after pipe bending.
The technical scheme of the utility model is that: the utility model provides an urban rail vehicle aluminum alloy window frame pressure forming device, includes that the mould is constituteed, the lower mould is constituteed, the sliding block is constituteed and the rotation block is constituteed, characterized by: the lower die assembly comprises a lower die first side plate, a lower die second side plate, a lower die bottom plate and a lower die adjustable mandrel, the lower die first side plate and the lower die second side plate clamp and fix the lower die bottom plate, and the lower die adjustable mandrel is arranged between the lower die first side plate and the lower die second side plate and is vertically arranged on the lower die bottom plate;
the sliding block assembly slides up and down between the lower die first side plate and the lower die second side plate through a cylindrical helical compression spring sleeved on the lower die adjustable core shaft, and the two rotating block assemblies are symmetrically arranged on two sides of the sliding block assembly and are hinged with the lower die first side plate and the lower die second side plate;
go up the mould and constitute including last bottom plate, last mould main part and last mould cooperation board, it is connected with last bottom plate through last mould main part to go up the mould cooperation board, it promotes to go up the mould cooperation board the sliding block is constituteed and is driven two rotatory piece is constituteed to last mould cooperation board rotatory, finally surrounds the chamber of bending that bends to the section bar.
Furthermore, the sliding block is composed of a matching mandrel and a sliding block main body, one end of the matching mandrel is arranged at the bottom of the sliding block main body, and the other end of the matching mandrel extends into the cylindrical helical compression spring.
Furthermore, rotatory piece is constituteed including rotatory piece main part and rotatory piece rotation axis, and rotatory piece main part is L type structure, and rotatory piece rotation axis runs through the corner of rotatory piece main part, and with the first curb plate of lower mould and lower mould second curb plate are articulated.
Furthermore, the inside of rotatory piece main part and the top of sliding block main part all are provided with the first recess that matches with the tensile end of section bar cross-section shaping.
Furthermore, a second groove matched with the section forming shrinkage end of the section is formed in the upper die matching plate.
Furthermore, the number of the adjustable mandrels of the lower die is two.
The utility model has the advantages that:
through last module group, the lower module is constituteed, the cooperation between sliding block group becomes and the rotating block group becomes, go up module group and promote the setting on the lower module group sliding block group becomes downstream, and drives two rotating block group becomes to last module cooperation board rotatory, finally surrounds the chamber of bending that bends to the section bar, carries out the operation of bending to placing the section bar in the intracavity of bending, can release the lower module group to the section bar after bending simultaneously under the effect that the sliding block group becomes, realizes automatic discharging, but the big circular arc radius's of one shot forming window frame aluminum alloy section bar does not need artifical repetitious adjustment, can satisfy higher tolerance requirement, effectively avoided the big problem of aluminum alloy resilience volume simultaneously, the cost of manufacture is low, easy operation is convenient, can quick mass production, it is low to workman's technical level dependence.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Description of the drawings:
in order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only two of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present application.
Fig. 2 is an assembly view of the present application.
Fig. 3 is a schematic structural diagram of the present application at the beginning of arcing.
Fig. 4 is a schematic structural diagram of the present application when the arc pressing is completed.
In the figure, 1-upper die base plate, 2-upper die body, 3-upper die mating plate, 4-lower die first side plate, 5-lower die second side plate, 6-lower die base plate, 7-lower die adjustable mandrel, 8-mating mandrel, 9-sliding block body, 10-rotating block body, 12-rotating block rotating shaft, 13-cylindrical helical compression spring, 14-first groove, 15-second groove; a-section bar.
The specific implementation mode is as follows:
embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present invention have been illustrated in the accompanying drawings, it is to be understood that the invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided for a more thorough and complete understanding of the present invention. It should be understood that the drawings and examples are for illustrative purposes only and are not intended to limit the scope of the present disclosure.
It should be understood that the various steps recited in the method embodiments of the present invention may be performed in a different order and/or performed in parallel. Moreover, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the present invention is not limited in this respect.
The names of messages or information exchanged between devices in embodiments of the present invention are for illustrative purposes only, and are not intended to limit the scope of such messages or information.
Example one
As shown in fig. 1-4, the pressure forming device for the aluminum alloy window frame of the urban rail vehicle comprises an upper die assembly, a lower die assembly, a sliding block assembly and a rotating block assembly, and is characterized in that: the lower die assembly comprises a lower die first side plate 4, a lower die second side plate 5, a lower die bottom plate 6 and a lower die adjustable mandrel 7, the lower die first side plate 4 and the lower die second side plate 5 clamp and fix the lower die bottom plate 6, and the lower die adjustable mandrel 7 is arranged between the lower die first side plate 4 and the lower die second side plate 5 and is vertically arranged on the lower die bottom plate 6; the lower die first side plate 4, the lower die second side plate 5 and the lower die bottom plate 6 are enclosed into a U-shaped cavity for supporting sliding block components and rotating block components, and the lower die first side plate, the lower die second side plate and the lower die bottom plate play a role in guiding, so that the influence on arc pressing precision is prevented from being influenced by left-right shaking.
In the embodiment, the sliding block assembly slides up and down between the lower die first side plate 4 and the lower die second side plate 5 through a cylindrical helical compression spring 13 sleeved on the lower die adjustable mandrel 7; the sliding block assembly comprises a matching mandrel 8 and a sliding block main body 9, one end of the matching mandrel 8 is arranged at the bottom of the sliding block main body 9, and the other end of the matching mandrel 8 extends into a cylindrical helical compression spring 13; sliding block main part 9 corresponds from top to bottom with last mould and can carry out the centre gripping to section bar A to can reciprocate under the effect of cylinder helical compression spring 13, be convenient for carry out the tight operation of clamp to section bar A when driving section bar A and move down and press the arc operation under the cooperation that the rotatory piece in both sides is constituteed, the use of the adjustable dabber 7 of lower mould and cooperation dabber 8 is fixed cylinder helical compression spring 13, prevents that the sliding block from constituteing to shift and influence and press the arc operation.
In the embodiment, the two rotating block assemblies are symmetrically arranged on two sides of the sliding block assembly and are hinged with the lower die first side plate 4 and the lower die second side plate 5; the rotary block assembly comprises a rotary block main body 10 and a rotary block rotating shaft 12, the rotary block main body 10 is of an L-shaped structure, and the rotary block rotating shaft 12 penetrates through the corner of the rotary block main body 10 and is hinged with the lower die first side plate 4 and the lower die second side plate 5; because the rotating blocks are symmetrically arranged on two sides of the sliding block assembly, when the upper die pushes the sliding block assembly to move downwards, the section A drives the rotating block main body 10 to rotate towards the sliding block assembly until the upper die and the inner arc of the rotating block main body 10 are matched to complete the extrusion operation on the section A, the section A is formed in one step, and the operation is convenient and fast.
The upper die assembly comprises an upper die base plate 1, an upper die main body 2 and an upper die matching plate 3, the upper die matching plate 3 is connected with the upper die base plate 1 through the upper die main body 2, the upper die matching plate 3 pushes the sliding block assembly to move downwards and drives the two rotating blocks to rotate towards the upper die matching plate 3, and finally a bending cavity for bending the section A is surrounded; the upper die matching plate 3 moves downwards to fix the section A on the sliding block main body 9, the sliding block main body 9 and the section A are pushed to continuously move downwards, finally, the upper die matching plate 3 is matched with the sliding block main body 9 and the two rotating block main bodies 10 to form a bending cavity, and the bent section A is placed in the bending cavity after being bent and formed.
When the device is used, in an initial working condition (figure 3), a section A is placed on two rotating block main bodies 10, an upper die assembly moves downwards, an upper die matching plate 3 in the upper die assembly restrains a section A forming contraction end, the section A is tightly pressed on a sliding block main body 9 in the sliding block assembly, the upper die matching plate 3 continues to push the section A downwards, the rotating block assembly and the sliding block assembly respectively keep a degree of freedom under the restraint of a lower die first side plate 4 and a lower die second side plate 5 in the lower die assembly, the sliding block main body 9 moves downwards, a cylindrical spiral pressure spring 13 is compressed, the rotating block main bodies 10 in the two rotating block assemblies rotate towards the sliding block main body 9, the sliding block is adjusted relatively, the upper die matching plate 3, the sliding block main body 9 and the two rotating block main bodies 10 are matched with each other to finish the shaping deformation of the section A forming stretching end under the pressure effect, the center distance of the section A forming stretching end is restrained through the center distance between the two rotating block rotating shaft 12, finally the arc pressing operation of the section A is finished, when the upper die matching plate 3 moves upwards, the spiral pressure spring 13 is reset, and the arc pressing of the section A forming stretching end is formed out of the lower die.
Example two
As shown in fig. 1-2, the present embodiment is obtained by adding technical features such as grooves on the basis of the first embodiment, and other technical features are the same as the first embodiment, and the description of the same parts is omitted here, where the present embodiment differs from the first embodiment in that: the inner side of the rotating block main body 10 and the top of the sliding block main body 9 are both provided with a first groove 14 matched with the section forming stretching end of the section A; and a second groove 15 matched with the section A molding shrinkage end is arranged on the upper die matching plate 3.
In this embodiment, the specific shape of first recess 14 matches with the tensile end of section bar A's cross-section shaping, can fix spacingly to section bar A, and the specific shape of second recess 15 matches with the section bar A's cross-section shaping shrink end, can fix spacingly to section bar A, through the cooperation of first recess 14 and second recess 15, realizes pressing from both sides tight and the restraint operation to section bar A, places section bar A and slides, is convenient for press the arc operation.
EXAMPLE III
As shown in fig. 1-2, the present embodiment is obtained by adding the fixing plate 10 and other technical features on the basis of the second embodiment, and the remaining technical features are the same as the second embodiment, and the description thereof is omitted here for the sake of brevity, where the difference between the present embodiment and the second embodiment is: the number of the lower dies is two, and the number of the mandrels 7 can be adjusted.
In this embodiment, the number of the cylindrical helical compression springs 13 and the contact area between the cylindrical helical compression springs and the sliding block main body 9 are increased by the two lower mold adjustable mandrels 7, so that the sliding stability of the sliding block main body 9 between the lower mold first side plate 4 and the lower mold second side plate 5 is ensured, and the section a can be stably and fixedly supported and conveniently pushed.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious modifications, rearrangements and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (6)
1. The utility model provides an urban rail vehicle aluminum alloy window frame pressure forming device, includes that the mould is constituteed, the lower mould is constituteed, the sliding block is constituteed and the rotation block is constituteed, characterized by: the lower die assembly comprises a lower die first side plate, a lower die second side plate, a lower die bottom plate and a lower die adjustable mandrel, the lower die first side plate and the lower die second side plate clamp and fix the lower die bottom plate, and the lower die adjustable mandrel is arranged between the lower die first side plate and the lower die second side plate and is vertically arranged on the lower die bottom plate;
the sliding block assembly slides up and down between the lower die first side plate and the lower die second side plate through a cylindrical helical pressure spring sleeved on the lower die adjustable mandrel, and the two rotating blocks are symmetrically arranged on two sides of the sliding block assembly and are hinged with the lower die first side plate and the lower die second side plate;
go up the mould and constitute including last bottom plate, last mould main part and last mould cooperation board, it is connected with last bottom plate through last mould main part to go up the mould cooperation board, it promotes to go up the mould cooperation board the sliding block is constituteed and is driven two rotatory piece is constituteed to last mould cooperation board rotatory, finally surrounds the chamber of bending that bends to the section bar.
2. The aluminum alloy window frame pressure forming device for the urban rail vehicle as claimed in claim 1, wherein: the sliding block is formed by a matching mandrel and a sliding block main body, one end of the matching mandrel is arranged at the bottom of the sliding block main body, and the other end of the matching mandrel extends into the cylindrical spiral pressure spring.
3. The aluminum alloy window frame pressure forming device for the urban rail vehicle as claimed in claim 1 or 2, wherein: rotatory piece is constituteed including rotatory piece main part and rotatory piece rotation axis, and rotatory piece main part is L type structure, rotatory piece rotation axis run through the corner of rotatory piece main part, and with the first curb plate of lower mould and lower mould second curb plate are articulated.
4. The aluminum alloy window frame pressure forming device for the urban rail vehicle as claimed in claim 3, wherein: the inside of rotatory piece main part and the top of sliding block main part all are provided with the first recess that matches with the tensile end of section bar cross-section shaping.
5. The aluminum alloy window frame pressure forming device for the urban rail vehicle as claimed in claim 4, wherein: and the upper die matching plate is provided with a second groove matched with the section forming shrinkage end of the section.
6. The aluminum alloy window frame pressure forming device for the urban rail vehicle as claimed in claim 4, wherein: the number of the adjustable mandrels of the lower die is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221715456.2U CN218656258U (en) | 2022-06-30 | 2022-06-30 | Urban rail vehicle aluminum alloy window frame pressure forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221715456.2U CN218656258U (en) | 2022-06-30 | 2022-06-30 | Urban rail vehicle aluminum alloy window frame pressure forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218656258U true CN218656258U (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221715456.2U Active CN218656258U (en) | 2022-06-30 | 2022-06-30 | Urban rail vehicle aluminum alloy window frame pressure forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218656258U (en) |
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2022
- 2022-06-30 CN CN202221715456.2U patent/CN218656258U/en active Active
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