Punch forming mechanism

Abstract

The utility model relates to the technical field of stamping dies, and provides a stamping forming mechanism which comprises a rack, a loading support, a lifting driving assembly, an outer forming frame, an inner forming frame and a forming driving assembly, and the lifting driving assembly can drive the loading support to move relative to the rack; the outer forming frame comprises a plurality of outer forming supporting plates. The inner forming frame can move relative to the outer forming frame in the vertical direction and comprises a plurality of inner forming supporting plates and a plurality of outer forming supporting plates, and the inner forming supporting plates are alternately arranged in the vertical direction and form a forming space used for containing a forming mold. The forming driving assembly can make the outer forming frame and the inner forming frame move relatively, and the forming mold is closed. Compared with the prior art, the punch forming mechanism provided by the utility model has the advantages that the forming dies can be quickly switched, the die changing efficiency and the production efficiency can be improved, and time and labor are saved.

Description

Technical Field

[0001] The present invention relates to the technical field of stamping dies, and particularly to a stamping and forming mechanism. Background Art

[0002] At present, a motor with a stator winding using a rectangular cross-section wire is called a flat wire motor (also known as a Pin motor). Different from an ordinary wound motor, a flat wire motor does not first wind a round wire into a specific coil and then embed it into the stator slot by a machine. Instead, the flat wire (also known as copper wire or flat copper wire, hereinafter collectively referred to as flat wire for the sake of unified technical terms) is preformed, inserted into the stator slot, and then formed and welded again at one or both ends to form the entire stator winding. The flat wire is beneficial to improving the slot fill factor of the motor. Generally, the slot fill factor of a round wire motor is about 50%, while that of a flat wire motor can reach more than 70%. According to the winding form of the flat wire motor, it can be further divided into Hair-pin winding (also known as hairpin winding), I-Pin winding (also known as I-type clip winding), wave winding, etc. The hairpin-type flat wire winding gets its name because its shape is more like a hairpin. Its advantage is that it only needs to be welded at one end, and its disadvantage is that the preparation is relatively complex. After the hairpin is formed, the hairpin wires are inserted into the stator core in groups, and finally assembled into a finished motor stator through equipment such as flaring, twisting, welding, and dipping. The process of the hairpin forming machine mainly includes unwinding, removing the paint film, lengthwise cutting, and hairpin forming. The traditional forming device includes a stamping die and a driving mechanism. Since this set of stamping dies can only be used for one size of wire type, if other sized workpieces need to be stamped, another set of dies needs to be replaced. Therefore, it affects the production efficiency and is time-consuming and laborious. Summary of the Invention

[0003] The purpose of the present invention is to provide a stamping and forming mechanism to solve the technical problem in the prior art that the die change of the stamping die is inconvenient and affects the production efficiency.

[0004] To achieve the above purpose, the technical solution adopted by the present invention is: providing a stamping and forming mechanism, including: a frame; a loading bracket movably arranged on the frame along a vertical direction; a lifting driving assembly for moving the loading bracket relative to the frame; an outer forming frame supported on the loading bracket, the outer forming frame including a plurality of outer forming pallets; an inner forming frame movably relative to the outer forming frame along the vertical direction, the inner forming frame including a plurality of inner forming pallets, the plurality of outer forming pallets and the plurality of inner forming pallets are alternately arranged in the vertical direction, and a forming space is constructed between each outer forming pallet and the adjacent inner forming pallet; a forming die arranged in the forming space and fixedly connected to the outer forming pallet and the inner forming pallet respectively; and a forming driving assembly capable of moving the outer forming frame and the inner forming frame relative to each other, and closing the forming die located between the two by the outer forming pallet and the inner forming pallet approaching each other.

[0005] In yet another embodiment, the outer forming frame is movably mounted in the loading bracket in the vertical direction, and the inner forming frame is movably mounted in the outer forming frame in the vertical direction; the forming driving assembly includes an outer frame power member for driving the movement of the outer forming frame and an inner frame power member for driving the movement of the inner forming frame.

[0006] In yet another embodiment, both the outer frame power member and the inner frame power member are supported on the top of the loading bracket and are fixedly connected to the outer forming frame and the inner forming frame respectively.

[0007] In yet another embodiment, the outer forming frame includes a mounting plate connected to the loading bracket and two wall plates mounted on the mounting plate and extending in the vertical direction. The outer forming support plate is disposed between the two wall plates and is fixedly connected to the two wall plates respectively; the mounting plate has a hollow area. The inner forming frame includes a back plate, which is built in the hollow area and connected to the loading bracket, and the inner forming support plate is fixedly mounted on the back plate.

[0008] In yet another embodiment, the wall plate includes an assembly portion for mounting the outer forming support plate. An assembly groove is formed on the surface of the assembly portion for the side portion of the outer forming support plate to slide in and out in a direction perpendicular to the surface of the mounting plate. Mounting holes are formed in the bottom surface of the assembly groove of the assembly portion, and mounting mating holes corresponding to the mounting holes are formed on the side wall of the outer forming support plate.

[0009] In yet another embodiment, two first guide rails extending in the vertical direction and two second guide rails located between the two first guide rails are provided inside the loading bracket. The outer forming frame is slidably mounted on the first guide rails, and the inner forming frame is slidably mounted on the second guide rails.

[0010] In yet another embodiment, the inner forming frame includes a connecting column extending in the vertical direction and passing through the inner forming support plate. A connecting member for fixing the two is provided between the inner forming support plate and the connecting column; the plurality of outer forming support plates are divided into a first outer forming support plate, a last outer forming support plate and intermediate outer forming support plates located between the two. A through hole for the connecting column to pass through is formed in the intermediate outer forming support plate, and a guide sleeve that cooperates with the connecting column to slide is installed in the through hole.

[0011] In yet another embodiment, the stamping and forming mechanism further includes a buffer support assembly. The buffer support assembly includes: a first buffer cylinder for elastically supporting the loading bracket on the frame. The first buffer cylinder includes a first cylinder body installed at the bottom of the frame and a first support shaft telescopically installed in the first cylinder body. The outer end of the first support shaft is fixedly connected to the loading bracket; a second buffer cylinder for elastically supporting the outer forming frame on the loading bracket. The second buffer cylinder includes a second cylinder body installed at the top of the loading bracket and a second support shaft telescopically installed in the second cylinder body. The outer end of the second support shaft is fixedly connected to the outer forming frame; a third buffer cylinder for elastically supporting the inner forming frame on the loading bracket. The third buffer cylinder includes a third cylinder body installed at the bottom of the loading bracket and a third support shaft telescopically installed in the third cylinder body. The outer end of the third support shaft is fixedly connected to the inner forming frame.

[0012] In yet another embodiment, the number of outer forming pallets in the outer forming frame is four, and the number of inner forming pallets in the inner forming frame is three. Each inner forming pallet is respectively located between two adjacent outer forming pallets and forms six forming spaces respectively.

[0013] In yet another embodiment, the forming die includes an upper template and a lower template. The upper template has upper die fixing holes, and the lower template has lower die fixing holes; outer forming fixing holes corresponding to the upper die fixing holes and the lower die fixing holes are respectively opened on the outer forming pallets; inner forming fixing holes corresponding to the upper die fixing holes and the lower die fixing holes are respectively opened on the inner forming pallets.

[0014] Compared with the prior art, the stamping and forming mechanism provided by the present invention includes a loading bracket, a lifting drive assembly for driving the lifting movement of the loading bracket, an outer forming frame and an inner forming frame. The loading bracket is movably arranged on the frame along a vertical direction. The outer forming frame includes a plurality of outer forming pallets, and the inner forming frame can move relative to the outer forming frame along the vertical direction and includes a plurality of inner forming pallets. By alternately arranging a plurality of outer forming pallets and a plurality of inner forming pallets in the vertical direction, a forming space for placing a forming die is constructed between each outer forming pallet and the inner forming pallet adjacent to the outer forming pallet. By driving the outer forming frame and the inner forming frame to move relative to each other through the forming drive assembly, the forming die located between the two is clamped by the outer forming pallet and the inner forming pallet approaching the outer forming pallet.

[0015] The beneficial effect of the stamping and forming mechanism provided by the present invention is that: compared with the prior art, when the stamping and forming mechanism of the present invention needs to form linear shapes of other size specifications, only the lifting drive assembly needs to be driven to adjust the position of the loading bracket in the vertical direction. In this way, the forming die can be quickly switched, and the die change efficiency and production efficiency can be improved, saving time and effort. Description of the Drawings

[0016] Figure 1 It is a three-dimensional schematic diagram of the stamping and forming mechanism provided by an embodiment of the present invention;

[0017] Figure 2 It is a cross-sectional schematic diagram of the stamping and forming mechanism provided by an embodiment of the present invention;

[0018] Figure 3 It is an exploded schematic diagram of the stamping and forming mechanism provided by an embodiment of the present invention;

[0019] Figure 4 It is an exploded schematic diagram of the loading bracket, outer forming frame, inner forming frame and forming die provided by an embodiment of the present invention.

[0020] Description of main component symbols

[0021] 100 - Stamping and forming mechanism; 10 - Frame; 11 - Motor mounting seat; 20 - Loading bracket; 20a - Installation cavity; 21 - First guide rail; 22 - Second guide rail; 30 - Lifting drive assembly; 31 - Lifting transmission assembly; 32 - Lifting power component; 311 - Lifting lead screw; 312 - Lifting nut seat; 313 - Lifting driving wheel; 314 - Lifting driven wheel; 315 - Lifting transmission belt; 40 - Outer forming frame; 41 - Outer forming support plate; 411 - Installation and mating hole; 412 - Passing hole; 413 - Outer forming fixing hole; 42 - Installation plate; 421 - Hollow area; 43 - Wall plate; 431 - Assembly part; 432 - Assembly groove; 433 - Installation hole; 44 - Upper connecting plate; 45 - Lower connecting plate; 50 - Inner forming frame; 51 - Inner forming support plate; 511 - Inner forming fixing hole; 52 - Back plate; 53 - Corner seat; 54 - Connecting column; 55 - Connecting piece; 1a - Forming space; 60 - Forming die; 61 - Upper template; 611 - Upper die fixing hole; 62 - Lower template; 621 - Lower die fixing hole; 70 - Forming drive assembly; 71 - Outer frame power component; 72 - Inner frame power component; 80 - Buffer support assembly; 81 - First buffer cylinder; 82 - Second buffer cylinder; 83 - Third buffer cylinder. Detailed implementation manners

[0022] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, the implementation of the present invention will be described in detail below with reference to specific drawings.

[0024] For the convenience of description, the "front", "rear", "left", "right", "upper", and "lower" mentioned hereinafter are consistent with the front, rear, left, right, upper, and lower directions of the accompanying drawings themselves, but do not limit the structure of the present invention.

[0025] Unless otherwise defined, the technical terms or scientific terms used herein shall have the ordinary meanings understood by those of ordinary skill in the field to which the present invention belongs. The "first", "second", and similar terms used in the specification and claims of this patent application for invention do not indicate any order, quantity, or importance, but are only used to distinguish different components. Similarly, terms such as "a" or "one" do not indicate a quantity limitation, but indicate the existence of at least one.

[0026] As Figures 1 to 4 shown, the stamping forming mechanism 100 provided in this embodiment includes: a frame 10; a loading bracket 20 movably arranged on the frame 10 in a vertical direction; a lifting drive assembly 30 for moving the loading bracket 20 relative to the frame 10; an outer forming frame 40 supported on the loading bracket 20, the outer forming frame 40 including a plurality of outer forming pallets 41; an inner forming frame 50 movably relative to the outer forming frame 40 in the vertical direction (the vertical direction shown in the figure), the inner forming frame 50 including a plurality of inner forming pallets 51, the plurality of outer forming pallets 41 and the plurality of inner forming pallets 51 are alternately arranged in the vertical direction, and a forming space 1a is constructed between each outer forming pallet 41 and the inner forming pallet 51 adjacent to the outer forming pallet 41; a forming die 60 arranged in the forming space 1a and fixedly connected to the outer forming pallet 41 and the inner forming pallet 51 respectively; and a forming drive assembly 70 capable of moving the outer forming frame 40 and the inner forming frame 50 relative to each other, and closing the forming die 60 located between the two through the outer forming pallet 41 and the inner forming pallet 51 approaching each other.

[0027] The above-mentioned stamping and forming mechanism 100 includes a loading bracket 20, a lifting drive assembly 30 for driving the lifting movement of the loading bracket 20, an outer forming frame 40, and an inner forming frame 50. The loading bracket 20 is movably arranged on the machine frame 10 along a vertical direction. The outer forming frame 40 includes a plurality of outer forming pallets 41. The inner forming frame 50 is movable relative to the outer forming frame 40 along the vertical direction and includes a plurality of inner forming pallets 51. The plurality of outer forming pallets 41 and the plurality of inner forming pallets 51 are alternately arranged in the vertical direction. A forming space 1a for placing a forming die 60 is constructed between each outer forming pallet 41 and the inner forming pallet 51 adjacent to the outer forming pallet 41. By driving the relative movement of the outer forming frame 40 and the inner forming frame 50 through the forming drive assembly 70, the forming die 60 located between them is clamped by the outer forming pallet 41 and the inner forming pallet 51 approaching the outer forming pallet 41. In this way, when it is necessary to form linear shapes of other size specifications, only the lifting drive assembly 30 needs to be driven to adjust the position of the loading bracket 20 in the vertical direction. In this way, the forming die 60 can be quickly switched, and the die change efficiency and production efficiency can be improved, saving time and effort.

[0028] See Figures 1 to 3 , the stamping and forming mechanism 100 provided in this embodiment includes a machine frame 10, a loading bracket 20, a lifting drive assembly 30, an outer forming frame 40, an inner forming frame 50, and a forming drive assembly 70. The loading bracket 20 and the lifting drive assembly 30 are supported by the machine frame 10.

[0029] See Figures 1 to 3 , the loading bracket 20 provided in this embodiment is supported on the machine frame 10 so as to be able to lift along the vertical direction. The lifting drive assembly 30 is installed on the machine frame 10 and connected to the loading bracket 20. In this embodiment, the lifting drive assembly 30 includes a lifting transmission assembly 31 and a lifting power member 32. The lifting transmission assembly 31 includes a lifting lead screw 311, a lifting nut seat 312, a lifting driving wheel 313, a lifting driven wheel 314, and a lifting transmission belt 315 respectively connecting the lifting driving wheel 313 and the lifting driven wheel 314. The lifting lead screw 311 extends along the vertical direction. The lifting lead screw 311 is rotatably supported on the machine frame 10 and is located between the loading bracket 20 and the lifting power member 32. The lifting nut seat 312 is threadedly connected to the lifting lead screw 311 and fixedly connected to the loading bracket 20. The lifting driven wheel 314 is non-rotatably connected to the lifting lead screw 311. A motor mounting seat 11 is provided on the machine frame 10. The lifting power member 32 is, but not limited to, a motor, which is installed on the motor mounting seat 11 and non-rotatably connected to the lifting driving wheel 313.

[0030] See Figures 1 to 3, the loading bracket 20 provided in this embodiment is movably arranged on the frame 10 in a vertical direction, and the outer forming frame 40, the inner forming frame 50, and the forming drive assembly 70 are all supported by the loading bracket 20. In this embodiment, the loading bracket 20 has an installation cavity 20a with an opening on one side. The outer forming frame 40 and the inner forming frame 50 are both installed in the installation cavity 20a, and the opening side of the installation cavity 20a is also the loading and unloading side of the workpiece. It should be noted that the loading bracket 20 in this embodiment has a loading and unloading station, and the position of the loading bracket 20 in the vertical direction can be changed by the lifting drive assembly 30, that is, driving the lifting drive assembly 30 to move the loading bracket 20 in the vertical direction to change the corresponding forming die 60 at the position where the loading and unloading station is located, so as to realize loading and unloading of the forming die 60 in different forming spaces 1a at the loading and unloading station.

[0031] In other embodiments, the outer forming frame 40 or the inner forming frame 50 can also be installed on the loading bracket 20.

[0032] See Figures 1 to 4 , the outer forming frame 40 provided in this embodiment is supported on the loading bracket 20. The outer forming frame 40 can be fixedly installed on the loading bracket 20 or movably installed on the loading bracket 20 in a vertical direction. The outer forming frame 40 includes a plurality of outer forming pallets 41, and the outer forming pallets 41 are substantially horizontally arranged. The plurality of outer forming pallets 41 are arranged side by side and spaced apart in the vertical direction. In this embodiment, the outer forming frame 40 is movably installed on the loading bracket 20 in a vertical direction. The number of the outer forming pallets 41 is not limited to four, and the four outer forming pallets 41 are arranged at equal intervals in the vertical direction.

[0033] See Figures 1 to 4, the inner forming frame 50 provided in this embodiment can be supported inside the outer forming frame 40 or on the loading bracket 20. The inner forming frame 50 can be entirely disposed inside the outer forming frame 40 or only partially located inside the outer forming frame 40. The inner forming frame 50 can move relative to the outer forming frame 40 in the vertical direction. The inner forming frame 50 includes a plurality of inner forming pallets 51, and a plurality of outer forming pallets 41 and a plurality of inner forming pallets 51 are alternately arranged in the vertical direction. A forming space 1a for installing the forming die 60 (upper die part, lower die part) is constructed between each outer forming pallet 41 and the adjacent inner forming pallet 51. In this embodiment, the inner forming frame 50 is entirely disposed inside the outer forming frame 40 and supported by the loading bracket 20. The number of inner forming pallets 51 is three but not limited to three. The three outer forming pallets 41 are arranged at equal intervals in the vertical direction, and the outer forming frame 40 and the inner forming pallets 51 are alternately arranged in the vertical direction. In this way, six forming spaces 1a arranged in the vertical direction can be constructed between the adjacent outer forming pallets 41 and inner forming pallets 51 inside the loading bracket 20.

[0034] See Figures 1 to 4 , the forming die 60 provided in this embodiment is disposed in the forming space 1a and fixedly connected to the outer forming pallet 41 and the inner forming pallet 51 respectively. In this embodiment, the number of forming dies 60 is six but not limited to six, and the dimensional parameters of the workpieces corresponding to each set of dies are different. It can be understood that when forming workpieces of the same specification size, the position of the loading bracket 20 in the vertical direction remains unchanged, and the workpieces are loaded and unloaded from the loading and unloading station; when it is necessary to replace another die to form workpieces of other specification sizes, the lifting drive assembly 30 is used to drive the loading bracket 20 to move, and the corresponding forming die 60 is moved to the loading and unloading station. In this way, the die change time can be reduced and the production efficiency can be improved.

[0035] See Figures 1 to 3, the forming drive assembly 70 provided in this embodiment can move the outer forming frame 40 and the inner forming frame 50 relative to each other, and close the forming die 60 located therebetween through the outer forming platen 41 and the inner forming platen 51 approaching the outer forming platen 41. In this embodiment, the outer forming frame 40 is movably mounted in the loading bracket 20 in the vertical direction, the inner forming frame 50 is movably mounted in the outer forming frame 40 in the vertical direction, and is supported by the loading bracket 20. The forming drive assembly 70 includes an outer frame power member 71 for driving the movement of the outer forming frame 40 and an inner frame power member 72 for driving the movement of the inner forming frame 50. In this way, the outer forming frame 40 can be driven to move by the outer frame power member 71, and the inner forming frame 50 can be driven to move by the inner frame power member 72, which can reduce the moving stroke of the outer forming platen 41 and the inner forming platen 51, that is, reduce the opening and closing stroke of the forming die 60, and improve the forming efficiency and output.

[0036] See Figures 1 to 3 , in this embodiment, both the outer frame power member 71 and the inner frame power member 72 are supported on the top of the loading bracket 20 and are respectively fixedly connected to the outer forming frame 40 and the inner forming frame 50. Both the outer frame power member 71 and the inner frame power member 72 are but not limited to electric cylinders, and the drive shafts of the outer frame power member 71 and the inner frame power member 72 are parallel to each other.

[0037] See Figures 1 to 4 , the outer forming frame 40 provided in this embodiment includes a mounting plate 42 connected to the loading bracket 20 and two wall plates 43 mounted on the mounting plate 42 and extending in the vertical direction. The outer forming platen 41 is disposed between the two wall plates 43 and is respectively fixedly connected to the two wall plates 43; the mounting plate 42 has a hollow area 421. The inner forming frame 50 includes a back plate 52, and the back plate 52 is built in the hollow area 421 and is connected to the loading bracket 20. The inner forming platen 51 is fixedly mounted on the back plate 52. In this embodiment, the mounting plate 42, the hollow area 421, and the wall plates 43 all extend in the vertical direction. The mounting plate 42, the wall plates 43, and the outer forming platen 41 are arranged orthogonally to each other. The outer forming frame 40 further includes an upper connecting plate 44 and a lower connecting plate 45. The outer forming platen 41 is located between the upper connecting plate 44 and the lower connecting plate 45. The two ends of the upper connecting plate 44 and the lower connecting plate 45 are respectively fixedly connected to the two wall plates 43. The output shaft of the outer frame power member 71 is fixedly connected to the upper connecting plate 44. The back plate 52 can move in the vertical direction within the hollow area 421. The inner forming platen 51 is arranged orthogonally to the back plate 52. A corner seat 53 is provided on the surface of the back plate 52 facing away from the side where the inner forming platen 51 is mounted. The output shaft of the inner frame power member 72 is fixedly connected to the corner seat 53.

[0038] From Figure 4It can be seen that in this embodiment, the wall panel 43 includes an assembly portion 431 for mounting the outer forming support plate 41. An assembly groove 432 is formed on the surface of the assembly portion 431 for the side portion of the outer forming support plate 41 to slide in and out in a direction perpendicular to the surface of the mounting plate 42. A mounting hole 433 is opened at the bottom surface of the assembly groove 432 of the assembly portion 431, and a mounting mating hole 411 corresponding to the mounting hole 433 is opened on the side wall of the outer forming support plate 41. The outer forming support plate 41 and the assembly portion 431 of the wall panel 43 are fixedly connected by bolts or other fasteners passing through the mounting hole 433 and the mounting mating hole 411. In this way, the installation and positioning of the outer forming support plate 41 can be facilitated through the assembly groove 432. In addition, the assembly groove 432 of the assembly portion 431 can support the outer forming support plate 41 in the up and down directions to improve the structural stability during mold closing.

[0039] See Figures 1 to 3 , in this embodiment, two first guide rails 21 extending in the up and down directions and two second guide rails 22 located between the two first guide rails 21 are provided inside the loading bracket 20. The outer forming frame 40 is slidably mounted on the first guide rail 21, and the inner forming frame 50 is slidably mounted on the second guide rail 22. In this way, it can bear part of the weights of the outer forming frame 40 and the inner forming frame 50 and guide the outer forming frame 40 and the inner forming frame 50 when they move.

[0040] See Figure 3 and Figure 4 , the inner forming frame 50 provided in this embodiment includes a connecting column 54. The connecting column 54 extends in the up and down directions and passes through the inner forming support plate 51. A connecting member 55 for fixing the two is provided between the inner forming support plate 51 and the connecting column 54; the plurality of outer forming support plates 41 are divided into a first outer forming support plate 41, a last outer forming support plate 41, and intermediate outer forming support plates 41 located therebetween. A through hole 412 for the connecting column 54 to pass through is opened on the intermediate outer forming support plate 41, and a guide sleeve that cooperates with the connecting column 54 to slide is installed in the through hole 412. In this way, by providing the connecting column 54, the inner forming frame 50 can be supported during mold closing to improve the structural stability during mold closing.

[0041] See Figures 1 to 3, in this embodiment, the stamping and forming mechanism 100 further includes a buffer support assembly 80, and the buffer support assembly 80 includes a first buffer cylinder 81, a second buffer cylinder 82, and a third buffer cylinder 83. The first buffer cylinder 81 is used to elastically support the loading bracket 20 on the frame 10. The first buffer cylinder 81 is not limited to a cylinder, and it includes a first cylinder body installed at the bottom of the frame 10 and a first support shaft extending in the up and down direction and telescopically installed in the first cylinder body. The outer end of the first support shaft extends upward and is fixedly connected to the loading bracket 20; the second buffer cylinder 82 is used to elastically support the outer forming frame 40 on the loading bracket 20. The second buffer cylinder 82 is not limited to a cylinder, and it includes a second cylinder body installed at the top of the loading bracket 20 and a second support shaft extending in the up and down direction and telescopically installed in the second cylinder body. The outer end (extending downward) of the second support shaft is fixedly connected to the upper connecting plate 44 of the outer forming frame 40; the third buffer cylinder 83 is used to elastically support the inner forming frame 50 on the loading bracket 20. The third buffer cylinder 83 is not limited to a cylinder, and it includes a third cylinder body installed at the bottom of the loading bracket 20 and a third support shaft extending in the up and down direction and telescopically installed in the third cylinder body. The outer end of the third support shaft extends upward and is fixedly connected to the back plate 52 of the inner forming frame 50. It should be noted that by providing the first buffer cylinder 81, the second buffer cylinder 82, and the third buffer cylinder 83 to support the loading bracket 20, the outer forming frame 40, and the inner forming frame 50 respectively, and the first buffer cylinder 81, the second buffer cylinder 82, and the third buffer cylinder 83 adopt a continuous ventilation method, this support connection structure can provide certain elastic support and balance protection for supporting the loading bracket 20, the outer forming frame 40, and the inner forming frame 50, and has a buffering effect.

[0042] From Figure 4It can be seen that in this embodiment, the forming die 60 is used to form flat (copper) wires, including an upper template 61 and a lower template 62. The upper template 61 has an upper die fixing hole 611, and the lower template 62 has a lower die fixing hole 621. Outer forming support plates 41 are provided with outer forming fixing holes 413 corresponding to the upper die fixing hole 611 and the lower die fixing hole 621 respectively. Inner forming support plates 51 are provided with inner forming fixing holes 511 corresponding to the upper die fixing hole 611 and the lower die fixing hole 621 respectively. In this way, in the forming die 60 at the uppermost position, its upper template 61 and the first outer forming support plate 41 are fixedly connected by bolts or other fasteners passing through the upper die fixing hole 611 and the outer forming fixing hole 413. In the forming die 60 at the lowermost position, its lower template 62 and the tail outer forming support plate 41 are fixedly connected by bolts or other fasteners passing through the lower die fixing hole 621 and the outer forming fixing hole 413. The lower die of each forming die 60 and the upper die of another forming die 60 are both fixedly connected to the intermediate outer forming support plate 41 by bolts or other fasteners passing through the lower die fixing hole 621, the outer forming fixing hole 413, and the upper die fixing hole 611. The upper die of each forming die 60 and the lower die of another forming die 60 are both fixedly connected to the inner forming support plate 51 by bolts or other fasteners passing through the upper die fixing hole 611, the inner forming fixing hole 511, and the lower die fixing hole 621. In this way, the forming die 60 is fixedly installed on the outer forming support plate 41 and the inner forming support plate 51 in a detachable manner, which is convenient for disassembly, assembly, and replacement.

[0043] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, or improvements made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. A stamping forming mechanism, characterized in that: include: frame; A loading bracket is movably arranged on the frame along an up-down direction; A lifting drive assembly enables the loading bracket to move relative to the frame; An outer forming frame, supported on the loading bracket, the outer forming frame comprising a plurality of outer forming support plates; An inner molding frame is movable relative to the outer molding frame along the up-down direction, the inner molding frame comprises a plurality of inner molding pallets, the plurality of outer molding pallets and the plurality of inner molding pallets are alternately arranged in the up-down direction, and a molding space is constructed between each outer molding pallet and the inner molding pallet adjacent to the outer molding pallet; A forming mold, arranged in the forming space and fixedly connected to the outer forming support plate and the inner forming support plate respectively; as well as The molding drive assembly can make the outer molding frame and the inner molding frame move relatively, and close the molding mold located between the outer molding support plate and the inner molding support plate close to the outer molding support plate.

2. The stamping forming mechanism according to claim 1, characterized in that: The outer molding frame is movably installed in the loading bracket along the up-down direction, and the inner molding frame is movably installed in the outer molding frame along the up-down direction; the molding drive assembly includes an outer frame power member for driving the outer molding frame to move and an inner frame power member for driving the inner molding frame to move.

3. The stamping forming mechanism according to claim 2, characterized in that: The outer frame power member and the inner frame power member are both supported on the top of the loading bracket and are fixedly connected to the outer molding frame and the inner molding frame respectively.

4. The stamping forming mechanism according to claim 1, characterized in that: The outer forming frame comprises a mounting plate connected to the loading bracket and two wall plates mounted on the mounting plate and extending in the up-down direction, and the outer forming support plate is arranged between the two wall plates and fixedly connected to the two wall plates respectively; The mounting plate has a hollow area, the inner molded frame includes a back plate, the back plate is built into the hollow area and connected to the loading bracket, and the inner molded support plate is fixedly mounted on the back plate.

5. The stamping forming mechanism according to claim 4, characterized in that: The wall panel includes an assembly portion for mounting the external molded support plate, and an assembly groove is formed on the surface of the assembly portion for the side portion of the external molded support plate to slide in and out along a direction perpendicular to the surface of the mounting plate. A mounting hole is provided on the bottom surface of the assembly groove of the assembly portion, and a mounting matching hole corresponding to the mounting hole is provided on the side wall of the external molded support plate.

6. The stamping and forming mechanism according to any one of claims 1 to 5, characterized in that: Two first guide rails extending along the up-down direction and two second guide rails located between the two first guide rails are arranged inside the loading bracket, the outer molding frame is slidably mounted on the first guide rails, and the inner molding frame is slidably mounted on the second guide rails.

7. The stamping and forming mechanism according to any one of claims 1 to 5, characterized in that: The inner molding frame comprises a connecting column, the connecting column extends along the up-down direction and penetrates the inner molding support plate, and a connecting piece is provided between the inner molding support plate and the connecting column to fix the two; The multiple outer forming pallets are divided into a first outer forming pallet, a rear outer forming pallet and a middle outer forming pallet located therebetween. The middle outer forming pallet is provided with a through hole for the connecting column to pass through, and a guide sleeve is installed in the through hole to slide with the connecting column.

8. The stamping and forming mechanism according to any one of claims 1 to 5, characterized in that: Also included is a buffer support assembly, the buffer support assembly comprising: a first buffer cylinder, used for elastically supporting the loading bracket on the frame, the first buffer cylinder comprising a first cylinder body mounted on the bottom of the frame and a first support shaft telescopically mounted on the first cylinder body, an outer end of the first support shaft being fixedly connected to the loading bracket; a second buffer cylinder, used for elastically supporting the outer forming frame on the loading bracket, the second buffer cylinder comprising a second cylinder body mounted on the top of the loading bracket and a second support shaft telescopically mounted on the second cylinder body, the outer end of the second support shaft being fixedly connected to the outer forming frame; The third buffer cylinder is used to elastically support the inner molding frame on the loading bracket. The third buffer cylinder includes a third cylinder body installed at the bottom of the loading bracket and a third support shaft telescopically installed on the third cylinder body. The outer end of the third support shaft is fixedly connected to the inner molding frame.

9. The stamping and forming mechanism according to any one of claims 1 to 5, characterized in that: The number of outer forming pallets in the outer forming frame is four, the number of inner forming pallets in the inner forming frame is three, each of the inner forming pallets is located between two adjacent outer forming pallets, and forms six forming spaces respectively.

10. The stamping and forming mechanism according to any one of claims 1 to 5, characterized in that: The molding die comprises an upper mold plate and a lower mold plate, the upper mold plate has an upper mold fixing hole, and the lower mold plate has a lower mold fixing hole; the outer molding support plate is provided with outer molding fixing holes corresponding to the upper mold fixing holes and the lower mold fixing holes respectively; the inner molding support plate is provided with inner molding fixing holes corresponding to the upper mold fixing holes and the lower mold fixing holes respectively.

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