CN115283515B - Hydraulic equipment for aluminum alloy shaping - Google Patents
Hydraulic equipment for aluminum alloy shaping Download PDFInfo
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- CN115283515B CN115283515B CN202210976297.XA CN202210976297A CN115283515B CN 115283515 B CN115283515 B CN 115283515B CN 202210976297 A CN202210976297 A CN 202210976297A CN 115283515 B CN115283515 B CN 115283515B
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- aluminum alloy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The application provides hydraulic equipment for aluminum alloy shaping, which relates to the field of sheet metal machining and comprises a fixed support, a fixed die, a movable die and a first driving device; the fixed die and the movable die are respectively connected with the fixed frame, and the movable die is rotationally connected with the fixed bracket; the first driving device is respectively connected with the fixed bracket and the movable die and is suitable for driving the movable die to rotate relative to the fixed bracket; the fixed die is provided with a profiling supporting surface, and the movable die is provided with a profiling extrusion surface matched with the profiling supporting surface; the opening of the concave space surrounded by the profiling supporting surface is downwards arranged, the inlet of the concave space is horizontally arranged and faces the movable die, and the inlet of the concave space surrounded by the profiling supporting surface faces the rotary central axis perpendicular to the movable die; a space is arranged between the fixed die and the movable die in the direction of an inlet of a concave space surrounded by the profiling supporting surface; when the movable die rotates towards one direction relative to the fixed support, the profiling extrusion surface can be gradually inserted into the concave space surrounded by the profiling support surface.
Description
Technical Field
The application relates to the technical field of sheet metal machining equipment, in particular to hydraulic equipment for aluminum alloy shaping.
Background
In the profile processing process, a hidden fastening mounting opening is usually required to be formed by bending the edge of the profile, the width of the bending fastening mounting opening can be used for inserting a fastening piece, for example, one side of an L-shaped aluminum alloy plate is bent inwards, a hydraulic press or a punch is usually used for extruding the edge at a designated position, however, in the prior art, the extruding mode is usually used for extruding the edge of the profile from the direction perpendicular to the side wall of the profile along the direction of the side wall of the profile, the extruding mode easily causes the edge of the profile to be torn to form a fracture, and a fastening mounting piece is formed at the position after bending.
Disclosure of Invention
The application provides hydraulic equipment for aluminum alloy shaping, which is used for shaping a fastening mounting opening with higher structural strength at the edge of an aluminum alloy section.
In an embodiment of the application, a hydraulic device for shaping aluminum alloy is provided, which comprises a fixed bracket, a fixed die, a movable die and a first driving device;
the fixed die and the movable die are respectively connected with the fixed frame, and the movable die is rotationally connected with the fixed bracket;
the first driving device is respectively connected with the fixed bracket and the movable die and is suitable for driving the movable die to rotate relative to the fixed bracket;
the fixed die is provided with a profiling supporting surface, the movable die is provided with a profiling extrusion surface matched with the profiling supporting surface, the profiling supporting surface is concavely arranged, and the profiling extrusion surface is convexly arranged;
the opening of the concave space surrounded by the profiling supporting surface is downwards arranged, the inlet of the concave space surrounded by the profiling supporting surface is horizontally arranged and faces the movable die, and the inlet of the concave space surrounded by the profiling supporting surface faces the rotation central axis of the movable die vertically;
an interval is arranged between the fixed die and the movable die in the direction of an inlet of a concave space surrounded by the profiling supporting surface, and the distance of the interval is larger than the thickness of the L-shaped aluminum alloy plate;
when the movable die rotates towards one direction relative to the fixed bracket, the profiling extrusion surface can be gradually inserted into a concave space surrounded by the profiling support surface;
after the profiling extrusion surface is inserted into the concave space formed by the profiling supporting surface, the profiling extrusion surface can be kept parallel to the profiling supporting surface.
In some implementations of the embodiments of the present application, the hydraulic apparatus for aluminum alloy shaping further includes a first press block, a second drive device;
the first pressing block and the second pressing block are respectively connected with the second driving device, the second driving device is connected with the fixed support, the first pressing block, the second pressing block and the movable die are positioned on the same side of the fixed die, the first pressing block and the second pressing block are respectively positioned on two sides of the profiling supporting surface, the second driving device is suitable for driving the first pressing block and the second pressing block to move towards a direction close to or far away from the fixed die at the same time, the distance between the first pressing block and the fixed die is equal to the distance between the second pressing block and the fixed die, and the moving direction of the first pressing block and the second pressing block is perpendicular to the rotating central axis of the movable die;
the first pressing block and the second pressing block are used for pressing the surface to be shaped of the L-shaped aluminum alloy plate on the fixed die.
In some implementations of the embodiments of the present application, the hydraulic device for aluminum alloy shaping includes a reduction gear set, an input end of the reduction gear set is connected to the first driving device, an output end of the reduction gear set is connected to the movable mold, and a rotational speed of the input end of the reduction gear set is greater than a rotational speed of the output end of the reduction gear set.
In some implementations of the embodiments of the present application, the reduction gear set includes a first shaft, a second shaft, a third shaft, a first gear, a second gear, a third gear, a fourth gear;
the first rotating shaft, the second rotating shaft and the third rotating shaft are respectively and rotatably connected with the fixed support, one end of the first rotating shaft is connected with the first driving device, the first driving device is suitable for driving the first rotating shaft to rotate, the first gear is fixedly connected with the first rotating shaft, the second gear and the third gear are respectively and fixedly connected with the second rotating shaft, the fourth gear is fixedly connected with the third rotating shaft, the first gear is meshed with the second gear, the third gear is meshed with the fourth gear, the diameter of the first gear, the diameter of the third gear and the diameter of the fourth gear are equal, the diameter of the second gear is larger than the diameter of the first gear, the third rotating shaft is fixedly connected with the movable die, and the movable die is rotatably connected with the fixed support through the third rotating shaft.
In some implementations of the embodiments of the present application, the hydraulic device for shaping aluminum alloy further includes a fixing plate, a first guide rod, and a second guide rod, one end of the first guide rod, one end of the second guide rod, respectively, is fixedly connected with the fixing plate, the other end of the first guide rod, is fixedly connected with the first pressing block, the other end of the second guide rod, is fixedly connected with the second pressing block, the fixing plate, is connected with the second driving device, the first guide rod, and the second guide rod, respectively, is slidably connected with the fixing bracket, and the first guide rod, the second guide rod, relative to the fixing bracket, is in a sliding direction perpendicular to a rotation central axis of the movable mold.
In some implementations of the embodiments of the present application, the fixed mold is inserted into the fixed support, and the direction in which the fixed mold is inserted into the fixed support is perpendicular to the direction in which the inlet of the concave space surrounded by the profiling supporting surface faces;
the fixed support is provided with a socket, the fixed die is spliced with the socket, and the fixed die is spliced with the fixed support through the socket.
In some implementations of the embodiments of the present application, a limiting plate is fixedly connected to the fixing support, and the fixed die is located between the limiting plate and between the first pressing block, and one surface of the fixed die away from the first pressing block is abutted to the limiting plate.
In some implementations of the embodiments of the present application, the first driving device is a rotating electrical machine, the rotating electrical machine is fixedly connected with the fixed support, and an output shaft of the rotating electrical machine is in transmission connection with the movable mold.
In some implementations of the embodiments of the present application, the second driving device is a hydraulic cylinder, a cylinder body of the hydraulic cylinder is fixedly connected with the fixing support, a piston rod of the hydraulic cylinder is respectively in transmission connection with the first pressing block and the second pressing block, and a telescopic direction of the hydraulic cylinder is parallel to a direction in which an inlet of a concave space surrounded by the profiling supporting surface faces.
In some implementations of the examples herein, the contoured squeeze surface has a maximum radius of rotation equal to or greater than a side length of the L-shaped aluminum alloy sheet.
The application has the following beneficial effects:
in the working process, the surface to be shaped of the L-shaped aluminum alloy plate is inserted into the interval, the first driving device drives the movable die to rotate, the profiling extrusion surface pushes the edge component of the L-shaped aluminum alloy plate to be pressed onto the profiling support surface, the edge of the L-shaped aluminum alloy plate in the fastening mounting opening can be deformed more gently, the stress area of stress dispersion in the bending process is increased, the locally concentrated stress is reduced, and the edge cracking of the L-shaped aluminum alloy plate is avoided. As the movable die rotates to extrude the edge of the L-shaped aluminum alloy plate, the edge of the L-shaped aluminum alloy plate is gradually formed, along with the rotation of the movable die, the maximum stress point of the L-shaped aluminum alloy plate is gradually close to the rotation central axis of the movable die, the displacement speed of the maximum stress point of the L-shaped aluminum alloy plate is gradually reduced, the deformation of the maximum stress point of the L-shaped aluminum alloy plate is gradually increased, the heating value of the maximum stress point of the L-shaped aluminum alloy plate is gradually increased, the damage to the maximum stress point of the L-shaped aluminum alloy plate can be reduced due to the reduction of the driving deformation speed, the fatigue degree of the maximum stress point of the L-shaped aluminum alloy plate is reduced, the L-shaped aluminum alloy plate is prevented from cracking in the bending process, the shape of a finally formed fastening mounting opening is formed into a concave continuous curved surface, two ends of the fastening mounting piece are integrally connected with the outer side part of an L-shaped aluminum alloy plate to be shaped area, the structural strength of the fastening mounting piece is improved, and compared with the cantilever type mechanical structure in the prior art, the continuous curved surface type mechanical structure formed by the hydraulic equipment for shaping aluminum alloy in the embodiment is high in strength, and is not easy to shake after fastening connection with other parts.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief description will be given below of the drawings that are needed in the embodiments or the prior art descriptions, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a top view of a prior art L-shaped aluminum alloy sheet after a fastening attachment port is formed;
FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view of the hydraulic equipment for shaping aluminum alloy in the embodiment of the application;
FIG. 4 is a top view of an aluminum alloy truing hydraulic apparatus in an embodiment of the present application;
FIG. 5 is a schematic view of a first drive arrangement coupled to a reduction gear set according to an embodiment of the present disclosure;
FIG. 6 is a schematic diagram of a connection structure between a third shaft and a movable mold according to an embodiment of the present disclosure;
FIG. 7 is a schematic diagram of a movable mold in an embodiment of the present application;
FIG. 8 is a schematic structural view of a stationary mold in an embodiment of the present application;
FIG. 9 is a schematic diagram of a connection structure between a second driving device and a first pressing block and a second pressing block in an embodiment of the present application;
FIG. 10 is a schematic view of a connection structure of a first shaft, a second shaft, a third shaft and a fixed bracket according to an embodiment of the present application;
FIG. 11 is a top view of a stationary mold, a movable mold, a first press block, and a second press block in an embodiment of the present application;
FIG. 12 is a cross-sectional view taken along line B-B of FIG. 11;
FIG. 13 is a schematic view of a structure of an L-shaped aluminum alloy sheet in an interposed interval in an embodiment of the present application;
FIG. 14 is a schematic view showing a structure of an L-shaped aluminum alloy sheet in the embodiment of the present application when bent;
FIG. 15 is a schematic view of the structure of the L-shaped aluminum alloy sheet of the embodiment of the present application after the fastening attachment port is machined;
FIG. 16 is a schematic view of a connection structure between a limiting plate and a fixed bracket in an embodiment of the present application;
fig. 17 is a schematic structural view of a socket in an embodiment of the present application.
Reference numerals:
101. a fixed bracket; 102. a fixed mold; 103. a movable mold; 104. a first driving device; 105. profiling a support surface; 106. profiling the extrusion surface; 107. a first briquette; 108. a second briquetting; 109. a second driving device; 110. a first rotating shaft; 111. a second rotating shaft; 112. a third rotating shaft; 113. a first gear; 114. a second gear; 115. a third gear; 116. a fourth gear; 117. a fixing plate; 118. a first guide bar; 119. a second guide bar; 120. a socket; 121. a limiting plate; 122. fastening the mounting opening; 123. l-shaped aluminum alloy plate; 124. fastening the mounting plate; 125. spacing.
Detailed Description
The following detailed description of embodiments of the present application, taken in conjunction with the accompanying drawings and examples, uses terminology used in the description of the embodiments of the application to explain specific examples of the application only and is not intended to limit the application.
As shown in fig. 1 and 2, during the processing of the profile, it is generally required to bend at the edge of the profile to form a hidden fastening installation opening 122, the width of the bending fastening installation opening 122 is enough for the insertion of a fastener, for example, the bending fastening installation opening is bent inward at one side of the L-shaped aluminum alloy plate 123, and the edge at a designated position is usually extruded by a hydraulic press or a punch, however, in the prior art, the extrusion mode is usually that the edge of the profile is extruded from a direction perpendicular to the side wall of the profile toward the inner side of the profile (the direction indicated by the arrow F in fig. 2) by using a punch, the extrusion easily causes the edge of the profile to tear to form a fracture, and the fastening installation plate 124 is formed at the position after bending, because the mechanical structure of the fastening installation plate 124 is in a cantilever structure, the stress strength is not high, and after the fastening installation is connected with other components by the fastener, shaking easily occurs.
As shown in fig. 3 to 17, in order to solve the technical problems in the prior art, in an embodiment of the present application, there is provided a hydraulic apparatus for shaping aluminum alloy, including a fixed bracket 101, a fixed mold 102, a movable mold 103, and a first driving device 104;
the fixed die 102 and the movable die 103 are respectively connected with the fixed frame, and the movable die 103 is rotationally connected with the fixed bracket 101;
the first driving device 104 is respectively connected with the fixed bracket 101 and the movable die 103, and the first driving device 104 is suitable for driving the movable die 103 to rotate relative to the fixed bracket 101;
the fixed die 102 is provided with a profiling supporting surface 105, the movable die 103 is provided with a profiling extrusion surface 106 matched with the profiling supporting surface 105, the profiling supporting surface 105 is concavely arranged, and the profiling extrusion surface 106 is convexly arranged;
the opening of the concave space surrounded by the profiling supporting surface 105 is downward (as indicated by an arrow S1 in fig. 12), the inlet of the concave space surrounded by the profiling supporting surface 105 is horizontally disposed (as indicated by an arrow S2 in fig. 12) and is disposed toward the movable mold 103, and the inlet of the concave space surrounded by the profiling supporting surface 105 is disposed toward a rotation central axis perpendicular to the movable mold 103;
a space 125 is arranged between the fixed die 102 and the movable die 103 in the direction of the inlet of the concave space surrounded by the profiling supporting surface 105, and the distance of the space 125 is larger than the thickness of the L-shaped aluminum alloy plate 123;
when the movable die 103 rotates in one direction relative to the fixed bracket 101, the profiling extrusion surface 106 can be gradually inserted into a concave space surrounded by the profiling support surface 105;
after the profiling extrusion surface 106 is inserted into the concave space formed by the profiling support surface 105, the profiling extrusion surface 106 can be kept parallel to the profiling support surface 105.
As shown in fig. 12 to 14, with the above embodiment of the present embodiment, during operation, the surface to be shaped of the L-shaped aluminum alloy plate 123 is inserted into the space 125, the first driving device 104 drives the movable die 103 to rotate, the profiling extrusion surface 106 pushes the edge components of the L-shaped aluminum alloy plate 123 onto the profiling supporting surface 105, the profile modeling of the profiling extrusion surface 106 and the profiling supporting surface 105 is obtained according to UG finite element analysis simulation, the materials of the L-shaped aluminum alloy plate 123 adopted in the simulation are replaced with rubber materials, the purpose is to obtain the overall shape after extrusion bending, without calculating the acting force applied to the actual L-shaped aluminum alloy plate 123, the width of the fastening mounting opening 122 in the simulation result is smaller than the fastening mounting opening 122 formed by bending the actual L-shaped aluminum alloy plate 123, therefore, the widths of the actual profiling extrusion surface 106 and the profiling supporting surface 105 need to be multiplied by a factor, the factor is larger than 1, and the optional factor is 1.6, so that the edges of the L-shaped aluminum alloy plate 123 in the fastening mounting opening 122 can be deformed more gradually, the stress-dispersing stress area in the bending process is increased, the locally concentrated stress is reduced, the edge cracking of the L-shaped aluminum alloy plate 123 is avoided, the width of the fastening mounting opening 122 adopted by the actual L-shaped aluminum alloy plate 123 is determined according to the material of the actual L-shaped aluminum alloy plate 123, the stronger the material plasticity of the L-shaped aluminum alloy plate 123 is, the smaller the width of the fastening mounting opening 122 is, and the smaller the widths of the corresponding profiling supporting surface 105 and the profiling extrusion surface 106 are, otherwise, the larger the widths of the fastening mounting opening 122 are, and the widths of the corresponding profiling supporting surface 105 and the profiling extrusion surface 106 are also larger. As the movable die 103 rotates to extrude the edge of the L-shaped aluminum alloy plate 123, the edge of the L-shaped aluminum alloy plate 123 is gradually molded, along with the rotation of the movable die 103, the maximum stress point of the L-shaped aluminum alloy plate 123 is gradually close to the rotation central axis of the movable die 103, the displacement speed of the maximum stress point of the L-shaped aluminum alloy plate 123 is gradually reduced (the rotation angular speed of the movable die 103 is unchanged, the linear speed of the position with smaller radius is smaller), the deformation amount of the maximum stress point of the L-shaped aluminum alloy plate 123 is gradually increased, the heating value of the maximum stress point of the L-shaped aluminum alloy plate 123 is gradually increased, the driving deformation rate is reduced, the damage to the maximum stress point of the L-shaped aluminum alloy plate 123 can be reduced, the fatigue degree of the maximum stress point of the L-shaped aluminum alloy plate 123 is reduced, the cracking of the L-shaped aluminum alloy plate 123 in the bending process is avoided, the shape of the finally molded fastening mounting opening 122 is in a concave continuous curved surface shape, the two ends of the fastening mounting piece 124 are connected with the outer side part of the L-shaped aluminum alloy plate 123 to form a whole, the structural strength of the fastening piece 124 is improved, and compared with the cantilever mechanical structure in the prior art, the structure, the continuous curved surface type aluminum alloy forming device for the embodiment is easy to be connected with other flexible and has high stability, and the mechanical structure after the shaping device is used, and the continuous structural structure is not easy.
In some implementations of the present example, the hydraulic apparatus for aluminum alloy shaping further includes a first press block 107, a second press block 108, a second drive 109;
the first pressing block 107 and the second pressing block 108 are respectively connected with the second driving device 109, the second driving device 109 is connected with the fixed support 101, the first pressing block 107, the second pressing block 108 and the movable die 103 are positioned on the same side of the fixed die 102, the first pressing block 107 and the second pressing block 108 are respectively positioned on two sides of the profiling supporting surface 105, the second driving device 109 is suitable for driving the first pressing block 107 and the second pressing block 108 to move towards a direction approaching or separating from the fixed die 102 at the same time, the distance between the first pressing block 107 and the fixed die 102 is equal to the distance between the second pressing block 108 and the fixed die 102, and the moving direction of the first pressing block 107 and the second pressing block 108 is perpendicular to the rotation central axis of the movable die 103;
the first pressing block 107 and the second pressing block 108 are used for pressing the surface to be shaped of the L-shaped aluminum alloy plate 123 on the fixed mold 102.
Through the above embodiment of the present embodiment, after inserting the edge to be shaped of the L-shaped aluminum alloy plate 123 into the space 125, the second driving device 109 drives the first pressing block 107 and the second pressing block 108 to move in a direction close to the fixed mold 102, and the edge to be shaped of the L-shaped aluminum alloy plate 123 is pressed on the fixed mold 102, and the area to be shaped of the L-shaped aluminum alloy plate 123 is located between the first pressing block 107 and the second pressing block 108, so that the L-shaped aluminum alloy plate 123 cannot deflect during extrusion, and the formed fastening mounting opening 122 is more accurate (multiple fastening mounting openings 122 can be provided on the same L-shaped aluminum alloy plate 123, and the shape and specification of each fastening mounting opening 122 can be more uniform through the arrangement of the above embodiment).
In some implementations of this embodiment, the hydraulic device for shaping aluminum alloy includes a reduction gear set, an input end of the reduction gear set is connected to the first driving device 104, an output end of the reduction gear set is connected to the movable mold 103, and a rotational speed of the input end of the reduction gear set is greater than a rotational speed of the output end of the reduction gear set.
Through the above-described implementation manner of the present embodiment, the reduction gear set can reduce the rotation speed of the first driving device 104 transmitted to the movable die 103, and simultaneously increase the driving force of the first driving device 104 transmitted to the movable die 103, so as to bend and shape the L-shaped aluminum alloy plate 123 with a larger thickness, and the bending and shaping process is more stable (vibration or shake cannot be generated or even extruded in place due to insufficient power).
In some implementations of the present embodiment, the reduction gear set includes a first shaft 110, a second shaft 111, a third shaft 112, a first gear 113, a second gear 114, a third gear 115, a fourth gear 116;
the first rotating shaft 110, the second rotating shaft 111 and the third rotating shaft 112 are respectively and rotatably connected with the fixed bracket 101, one end of the first rotating shaft 110 is connected with the first driving device 104, the first driving device 104 is suitable for driving the first rotating shaft 110 to rotate, the first gear 113 is fixedly connected with the first rotating shaft 110, the second gear 114 and the third gear 115 are respectively and fixedly connected with the second rotating shaft 111, the fourth gear 116 is fixedly connected with the third rotating shaft 112, the first gear 113 is meshed with the second gear 114, the third gear 115 is meshed with the fourth gear 116, the diameter of the first gear 113, the diameter of the third gear 115 and the diameter of the fourth gear 116 are equal, the diameter of the second gear 114 is larger than the diameter of the first gear 113, the third rotating shaft 112 is fixedly connected with the movable die 103, and the movable die 103 is rotatably connected with the fixed bracket 101 through the third rotating shaft 112.
In some implementations of this embodiment, the hydraulic apparatus for shaping aluminum alloy further includes a fixing plate 117, a first guide rod 118, and a second guide rod 119, one end of the first guide rod 118 and one end of the second guide rod 119 are respectively and fixedly connected to the fixing plate 117, the other end of the first guide rod 118 is fixedly connected to the first pressing block 107, the other end of the second guide rod 119 is fixedly connected to the second pressing block 108, the fixing plate 117 is connected to the second driving device 109, the first guide rod 118 and the second guide rod 119 are respectively and slidably connected to the fixing bracket 101, and the sliding directions of the first guide rod 118 and the second guide rod 119 relative to the fixing bracket 101 are perpendicular to the rotation central axis of the movable die 103.
Through the above-described embodiment of the present embodiment, the first guide rod 118 and the second guide rod 119 can simultaneously output the power of the second driving device 109 to the first press block 107 and the second press block 108, and simultaneously guide the first press block 107 and the second press block 108, thereby simultaneously pressing both sides of the area to be shaped of the L-shaped aluminum alloy plate 123 on the stationary mold 102.
In some implementations of this embodiment, the fixed mold 102 is inserted into the fixed support 101, and a direction in which the fixed mold 102 is inserted into the fixed support 101 is perpendicular to a direction in which an inlet of the concave space surrounded by the profiling supporting surface 105 faces;
the fixed support 101 is provided with a socket 120, the fixed die 102 is spliced with the socket 120, and the fixed die 102 is spliced with the fixed support 101 through the socket 120.
Through the above embodiment of the present embodiment, the fixed mold 102 is detachably connected with the fixing support 101, so that the L-shaped aluminum alloy plate 123 is conveniently taken out from the space 125 after being molded, the fixed mold 102 is inserted into the fixing support 101 in the vertical direction, and is parallel to the direction in which the L-shaped aluminum alloy plate 123 is inserted into the space 125, so that the L-shaped aluminum alloy plate 123 is conveniently inserted into the space 125 or pulled out from the space 125 (after the L-shaped aluminum alloy plate 123 is released by the first pressing block 107 and the second pressing block 108, the fixed mold 102 is lifted up, and meanwhile, the L-shaped aluminum alloy plate 123 is lifted up, so that the L-shaped aluminum alloy plate 123 is pulled out from the space 125).
In some implementations of this embodiment, the fixing support 101 is fixedly connected with a limiting plate 121, the fixed mold 102 is located between the limiting plate 121 and the first pressing block 107, and a surface of the fixed mold 102 away from the first pressing block 107 abuts against the limiting plate 121.
In some implementations of this embodiment, the first driving device 104 is a rotating electrical machine, the rotating electrical machine is fixedly connected to the fixed support 101, and an output shaft of the rotating electrical machine is in transmission connection with the movable mold 103.
In some implementations of this embodiment, the second driving device 109 is a hydraulic cylinder, a cylinder body of the hydraulic cylinder is fixedly connected with the fixing support 101, a piston rod of the hydraulic cylinder is respectively in transmission connection with the first pressing block 107 and the second pressing block 108, and a stretching direction of the hydraulic cylinder is parallel to a direction in which an inlet of the concave space surrounded by the profiling supporting surface 105 faces.
In some implementations of the present example, the maximum radius of rotation of the contoured squeeze surface 106 (as indicated by R in fig. 13, where the dashed circle indicates the circle corresponding to the maximum radius of rotation of the contoured squeeze surface 106) is equal to or greater than the side length of the L-shaped aluminum alloy plate 123.
The above examples are intended to be illustrative of the present application and are not intended to be limiting, and those skilled in the art, upon reading the present specification, may make modifications to the embodiments of the present application as necessary without creative contribution, but are protected by patent laws within the scope of the appended claims.
Claims (10)
1. The hydraulic equipment for shaping the aluminum alloy is characterized by comprising a fixed bracket, a fixed die, a movable die and a first driving device;
the fixed die and the movable die are respectively connected with a fixed bracket, and the movable die is rotationally connected with the fixed bracket;
the first driving device is respectively connected with the fixed bracket and the movable die and is suitable for driving the movable die to rotate relative to the fixed bracket;
the fixed die is provided with a profiling supporting surface, the movable die is provided with a profiling extrusion surface matched with the profiling supporting surface, the profiling supporting surface is concavely arranged, and the profiling extrusion surface is convexly arranged;
the opening of the concave space surrounded by the profiling supporting surface is downwards arranged, the inlet of the concave space surrounded by the profiling supporting surface is horizontally arranged and faces the movable die, and the inlet of the concave space surrounded by the profiling supporting surface faces the rotation central axis of the movable die vertically;
an interval is arranged between the fixed die and the movable die in the direction of an inlet of a concave space surrounded by the profiling supporting surface, and the distance of the interval is larger than the thickness of the L-shaped aluminum alloy plate;
when the movable die rotates towards one direction relative to the fixed bracket, the profiling extrusion surface can be gradually inserted into a concave space surrounded by the profiling support surface;
after the profiling extrusion surface is inserted into the concave space formed by the profiling supporting surface, the profiling extrusion surface can be kept parallel to the profiling supporting surface.
2. The hydraulic apparatus for aluminum alloy shaping according to claim 1, further comprising a first press block, a second driving device;
the first pressing block and the second pressing block are respectively connected with the second driving device, the second driving device is connected with the fixed support, the first pressing block, the second pressing block and the movable die are positioned on the same side of the fixed die, the first pressing block and the second pressing block are respectively positioned on two sides of the profiling supporting surface, the second driving device is suitable for driving the first pressing block and the second pressing block to move towards a direction close to or far away from the fixed die at the same time, the distance between the first pressing block and the fixed die is equal to the distance between the second pressing block and the fixed die, and the moving direction of the first pressing block and the second pressing block is perpendicular to the rotating central axis of the movable die;
the first pressing block and the second pressing block are used for pressing the surface to be shaped of the L-shaped aluminum alloy plate on the fixed die.
3. The hydraulic apparatus for aluminum alloy shaping according to claim 1, comprising a reduction gear set, an input end of the reduction gear set being connected to the first driving device, an output end of the reduction gear set being connected to the movable die, a rotational speed of the input end of the reduction gear set being greater than a rotational speed of the output end of the reduction gear set.
4. The hydraulic apparatus for aluminum alloy shaping according to claim 3, wherein the reduction gear set includes a first rotation shaft, a second rotation shaft, a third rotation shaft, a first gear, a second gear, a third gear, a fourth gear;
the first rotating shaft, the second rotating shaft and the third rotating shaft are respectively and rotatably connected with the fixed support, one end of the first rotating shaft is connected with the first driving device, the first driving device is suitable for driving the first rotating shaft to rotate, the first gear is fixedly connected with the first rotating shaft, the second gear and the third gear are respectively and fixedly connected with the second rotating shaft, the fourth gear is fixedly connected with the third rotating shaft, the first gear is meshed with the second gear, the third gear is meshed with the fourth gear, the diameter of the first gear, the diameter of the third gear and the diameter of the fourth gear are equal, the diameter of the second gear is larger than the diameter of the first gear, the third rotating shaft is fixedly connected with the movable die, and the movable die is rotatably connected with the fixed support through the third rotating shaft.
5. The hydraulic apparatus for aluminum alloy shaping according to claim 2, further comprising a fixing plate, a first guide rod, and a second guide rod, wherein one end of the first guide rod and one end of the second guide rod are respectively and fixedly connected with the fixing plate, the other end of the first guide rod is fixedly connected with the first pressing block, the other end of the second guide rod is fixedly connected with the second pressing block, the fixing plate is connected with the second driving device, the first guide rod and the second guide rod are respectively and slidably connected with the fixing bracket, and the sliding direction of the first guide rod and the second guide rod relative to the fixing bracket is perpendicular to the rotation central axis of the movable die.
6. The hydraulic equipment for aluminum alloy shaping according to claim 2, wherein the fixed die is inserted into the fixed bracket, and the insertion direction of the fixed die and the fixed bracket is perpendicular to the direction in which the inlet of the concave space surrounded by the profiling supporting surface faces;
the fixed support is provided with a socket, the fixed die is spliced with the socket, and the fixed die is spliced with the fixed support through the socket.
7. The hydraulic equipment for aluminum alloy shaping according to claim 6, wherein a limiting plate is fixedly connected to the fixing support, the fixed die is located between the limiting plate and the first pressing block, and one surface of the fixed die, which is far away from the first pressing block, is abutted against the limiting plate.
8. The hydraulic apparatus for aluminum alloy shaping according to claim 1, wherein the first driving device is a rotary electric machine, the rotary electric machine is fixedly connected with the fixed bracket, and an output shaft of the rotary electric machine is in transmission connection with the movable die.
9. The hydraulic equipment for aluminum alloy shaping according to claim 2, wherein the second driving device is a hydraulic cylinder, a cylinder body of the hydraulic cylinder is fixedly connected with the fixed support, a piston rod of the hydraulic cylinder is respectively in transmission connection with the first pressing block and the second pressing block, and the expansion and contraction direction of the hydraulic cylinder is parallel to the direction of an inlet of a concave space surrounded by the profiling supporting surface.
10. The hydraulic apparatus for aluminum alloy shaping according to claim 1, wherein a maximum turning radius of the contoured pressing surface is equal to or greater than a side length of the L-shaped aluminum alloy sheet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210976297.XA CN115283515B (en) | 2022-08-15 | 2022-08-15 | Hydraulic equipment for aluminum alloy shaping |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210976297.XA CN115283515B (en) | 2022-08-15 | 2022-08-15 | Hydraulic equipment for aluminum alloy shaping |
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| CN115283515A CN115283515A (en) | 2022-11-04 |
| CN115283515B true CN115283515B (en) | 2023-04-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2926217B2 (en) * | 1996-02-26 | 1999-07-28 | 株式会社平安製作所 | Processed material with treated surface |
| CN203936262U (en) * | 2014-06-13 | 2014-11-12 | 陕西飞机工业（集团）有限公司 | A kind of for the sagging hot forming tool of profiles |
| CN206104670U (en) * | 2016-08-25 | 2017-04-19 | 亿和精密工业（苏州）有限公司 | Plastic mould structure |
| CN110005248B (en) * | 2019-05-08 | 2024-02-06 | 无锡市同腾复合材料有限公司 | High-insulativity lightweight composite cross arm and production method thereof |
| CN114029401B (en) * | 2020-08-18 | 2023-08-04 | 卡奥斯模具(青岛)有限公司 | Bending wrap angle die and bending wrap angle method |
| CN214053386U (en) * | 2020-12-23 | 2021-08-27 | 安徽力源数控刃模具制造有限公司 | Bending die for C-shaped sheet metal part for rail transit vehicle body |
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